# phastpress/1.77/sdk/phast.php

PhastPress, version 1.77. 10,023 lines.

- Page: https://pluginprobe.com/plugins/phastpress/1.77/code/sdk/phast.php
- Raw: https://pluginprobe.com/plugins/phastpress/1.77/raw/sdk/phast.php
- Modified: 2020-09-08T15:44:02+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/phastpress/1.77/code/sdk/phast.php#L10-L20`.

```php
<?php

namespace Kibo\Phast\HTTP;

class Response
{
    /**
     * @var int
     */
    private $code = 200;
    /**
     * @var array
     */
    private $headers = array();
    /**
     * @var string|iterable
     */
    private $content;
    /**
     * @return int
     */
    public function getCode()
    {
        return $this->code;
    }
    /**
     * @param int $code
     */
    public function setCode($code)
    {
        $this->code = $code;
    }
    /**
     * @return array
     */
    public function getHeaders()
    {
        return $this->headers;
    }
    /**
     * @param string $name
     * @return string|null
     */
    public function getHeader($name)
    {
        foreach ($this->headers as $k => $v) {
            if (strcasecmp($name, $k) === 0) {
                return $v;
            }
        }
        return null;
    }
    public function setHeaders(array $headers)
    {
        $this->headers = $headers;
    }
    /**
     * @param $name
     * @param $value
     */
    public function setHeader($name, $value)
    {
        $this->headers[$name] = $value;
    }
    /**
     * @return string|iterable
     */
    public function getContent()
    {
        return $this->content;
    }
    /**
     * @param string|iterable $content
     */
    public function setContent($content)
    {
        $this->content = $content;
    }
    public function isCompressible()
    {
        return strpos($this->getHeader('Content-Type'), 'image/') === false;
    }
}
namespace Kibo\Phast\HTTP;

interface Client
{
    /**
     * Retrieve a URL using the GET HTTP method
     *
     * @param URL $url
     * @param array $headers - headers to send in headerName => headerValue format
     * @return Response
     * @throws \Exception
     */
    public function get(\Kibo\Phast\ValueObjects\URL $url, array $headers = array());
    /**
     * Send data to a URL using the POST HTTP method
     *
     * @param URL $url
     * @param array|string $data - if array, it will be encoded as form data, if string - will be sent as is
     * @param array $headers - headers to send in headerName => headerValue format
     * @return Response
     * @throws \Exception
     */
    public function post(\Kibo\Phast\ValueObjects\URL $url, $data, array $headers = array());
}
namespace Kibo\Phast\HTTP;

class CURLClient implements \Kibo\Phast\HTTP\Client
{
    public function get(\Kibo\Phast\ValueObjects\URL $url, array $headers = array())
    {
        $this->checkCURL();
        return $this->request($url, $headers);
    }
    public function post(\Kibo\Phast\ValueObjects\URL $url, $data, array $headers = array())
    {
        $this->checkCURL();
        return $this->request($url, $headers, [CURLOPT_POST => true, CURLOPT_POSTFIELDS => $data]);
    }
    private function checkCURL()
    {
        if (!function_exists('curl_init')) {
            throw new \Kibo\Phast\HTTP\Exceptions\NetworkError('cURL is not installed');
        }
    }
    private function request(\Kibo\Phast\ValueObjects\URL $url, array $headers = array(), array $opts = array())
    {
        $response = new \Kibo\Phast\HTTP\Response();
        $readHeader = function ($_, $headerLine) use($response) {
            if (strpos($headerLine, 'HTTP/') === 0) {
                $response->setHeaders([]);
            } else {
                list($name, $value) = explode(':', $headerLine, 2);
                if (trim($name) !== '') {
                    $response->setHeader($name, trim($value));
                }
            }
            return strlen($headerLine);
        };
        $ch = curl_init((string) $url);
        curl_setopt_array($ch, $opts + [CURLOPT_RETURNTRANSFER => true, CURLOPT_HTTPHEADER => $this->makeHeaders($headers), CURLOPT_FOLLOWLOCATION => true, CURLOPT_MAXREDIRS => 5, CURLOPT_HEADERFUNCTION => $readHeader, CURLOPT_CAINFO => __DIR__ . '/cacert.pem', CURLOPT_ENCODING => '']);
        $responseText = @curl_exec($ch);
        if ($responseText === false) {
            throw new \Kibo\Phast\HTTP\Exceptions\NetworkError(curl_error($ch), curl_errno($ch));
        }
        $info = curl_getinfo($ch);
        if (!preg_match('/^2/', $info['http_code'])) {
            throw new \Kibo\Phast\HTTP\Exceptions\HTTPError($info['http_code']);
        }
        $response->setCode($info['http_code']);
        $response->setContent($responseText);
        return $response;
    }
    private function makeHeaders(array $headers)
    {
        $result = [];
        foreach ($headers as $k => $v) {
            $result[] = "{$k}: {$v}";
        }
        return $result;
    }
}
namespace Kibo\Phast\HTTP;

class Request
{
    /**
     * @var array
     */
    private $env;
    /**
     * @var array
     */
    private $cookie;
    /**
     * @var string
     */
    private $query;
    private function __construct()
    {
    }
    public static function fromGlobals()
    {
        $instance = new self();
        $instance->env = $_SERVER;
        $instance->cookie = $_COOKIE;
        return $instance;
    }
    public static function fromArray(array $get = array(), array $env = array(), array $cookie = array())
    {
        if ($get) {
            $url = isset($env['REQUEST_URI']) ? $env['REQUEST_URI'] : '';
            $env['REQUEST_URI'] = \Kibo\Phast\ValueObjects\URL::fromString($url)->withQuery(http_build_query($get))->toString();
        }
        $instance = new self();
        $instance->env = $env;
        $instance->cookie = $cookie;
        return $instance;
    }
    /**
     * @return array
     */
    public function getGet()
    {
        return $this->getQuery()->toAssoc();
    }
    /**
     * @return Query
     */
    public function getQuery()
    {
        return \Kibo\Phast\ValueObjects\Query::fromString($this->getQueryString());
    }
    /**
     * @param $name string
     * @return string|null
     */
    public function getHeader($name)
    {
        $key = 'HTTP_' . strtoupper(str_replace('-', '_', $name));
        return $this->getEnvValue($key);
    }
    public function getPathInfo()
    {
        $pathInfo = $this->getEnvValue('PATH_INFO');
        if ($pathInfo) {
            return $pathInfo;
        }
        $script = $this->getEnvValue('PHP_SELF');
        $uri = $this->getEnvValue('DOCUMENT_URI');
        if ($script !== null && $uri !== null && strpos($uri, $script . '/') === 0) {
            return substr($uri, strlen($script));
        }
    }
    public function getCookie($name)
    {
        if (isset($this->cookie[$name])) {
            return $this->cookie[$name];
        }
    }
    public function getQueryString()
    {
        $parsed = parse_url($this->getEnvValue('REQUEST_URI'));
        if (isset($parsed['query'])) {
            return $parsed['query'];
        }
    }
    public function getAbsoluteURI()
    {
        return ($this->getEnvValue('HTTPS') ? 'https' : 'http') . '://' . $this->getHost() . $this->getURI();
    }
    public function getHost()
    {
        return $this->getHeader('Host');
    }
    public function getURI()
    {
        return $this->getEnvValue('REQUEST_URI');
    }
    private function getEnvValue($key)
    {
        if (isset($this->env[$key])) {
            return $this->env[$key];
        }
    }
    public function getDocumentRoot()
    {
        $scriptName = (string) $this->getEnvValue('SCRIPT_NAME');
        $scriptFilename = $this->normalizePath((string) $this->getEnvValue('SCRIPT_FILENAME'));
        if (strpos($scriptName, '/') === 0 && $this->isAbsolutePath($scriptFilename) && $this->isSuffix($scriptName, $scriptFilename)) {
            return substr($scriptFilename, 0, strlen($scriptFilename) - strlen($scriptName));
        }
        return $this->getEnvValue('DOCUMENT_ROOT');
    }
    private function normalizePath($path)
    {
        return str_replace('\\', '/', $path);
    }
    private function isAbsolutePath($path)
    {
        return preg_match('~^/|^[a-z]:/~i', $path);
    }
    private function isSuffix($suffix, $string)
    {
        return substr($string, -strlen($suffix)) === $suffix;
    }
    public function isCloudflare()
    {
        return !!$this->getHeader('CF-Ray');
    }
}
namespace Kibo\Phast\HTTP;

class ClientFactory
{
    const CONFIG_KEY = 'httpClient';
    /**
     * @param array $config
     * @return Client
     */
    public function make(array $config)
    {
        $spec = $config[self::CONFIG_KEY];
        if (is_callable($spec)) {
            $client = $spec();
        } elseif (class_exists($spec)) {
            $client = new $spec();
        } else {
            throw new \Kibo\Phast\Exceptions\RuntimeException(self::CONFIG_KEY . ' config value must be either callable or a class name');
        }
        return $client;
    }
}
namespace Kibo\Phast\HTTP\Exceptions;

class HTTPError extends \RuntimeException
{
}
namespace Kibo\Phast\HTTP\Exceptions;

class NetworkError extends \RuntimeException
{
}
namespace Kibo\Phast\Environment;

class DefaultConfiguration
{
    public static function get()
    {
        $request = \Kibo\Phast\HTTP\Request::fromGlobals();
        return ['securityToken' => null, 'retrieverMap' => [$request->getHost() => $request->getDocumentRoot()], 'httpClient' => \Kibo\Phast\HTTP\CURLClient::class, 'cache' => ['cacheRoot' => sys_get_temp_dir() . '/phast-cache-' . (new \Kibo\Phast\Common\System())->getUserId(), 'shardingDepth' => 1, 'garbageCollection' => ['maxItems' => 100, 'probability' => 0.1, 'maxAge' => 86400 * 365], 'diskCleanup' => ['maxSize' => 500 * pow(1024, 2), 'probability' => 0.02, 'portionToFree' => 0.5]], 'servicesUrl' => '/phast.php', 'serviceRequestFormat' => \Kibo\Phast\Services\ServiceRequest::FORMAT_PATH, 'compressServiceResponse' => true, 'optimizeHTMLDocumentsOnly' => true, 'outputServerSideStats' => true, 'documents' => ['maxBufferSizeToApply' => pow(1024, 2), 'baseUrl' => $request->getAbsoluteURI(), 'filters' => [\Kibo\Phast\Filters\HTML\CommentsRemoval\Filter::class => [], \Kibo\Phast\Filters\HTML\Minify\Filter::class => [], \Kibo\Phast\Filters\HTML\MinifyScripts\Filter::class => [], \Kibo\Phast\Filters\HTML\BaseURLSetter\Filter::class => [], \Kibo\Phast\Filters\HTML\ImagesOptimizationService\Tags\Filter::class => [], \Kibo\Phast\Filters\HTML\LazyImageLoading\Filter::class => [], \Kibo\Phast\Filters\HTML\CSSInlining\Filter::class => ['optimizerSizeDiffThreshold' => 1024, 'whitelist' => ['~^https?://fonts\\.googleapis\\.com/~' => ['ieCompatible' => false], '~^https?://ajax\\.googleapis\\.com/ajax/libs/jqueryui/~', '~^https?://maxcdn\\.bootstrapcdn\\.com/[^?#]*\\.css~', '~^https?://idangero\\.us/~', '~^https?://[^/]*\\.github\\.io/~', '~^https?://\\w+\\.typekit\\.net/~' => ['ieCompatible' => false], '~^https?://stackpath\\.bootstrapcdn\\.com/~', '~^https?://cdnjs\\.cloudflare\\.com/~']], \Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS\Filter::class => [], \Kibo\Phast\Filters\HTML\DelayedIFrameLoading\Filter::class => [], \Kibo\Phast\Filters\HTML\ScriptsProxyService\Filter::class => ['urlRefreshTime' => 7200], \Kibo\Phast\Filters\HTML\Diagnostics\Filter::class => ['enabled' => 'diagnostics'], \Kibo\Phast\Filters\HTML\ScriptsDeferring\Filter::class => [], \Kibo\Phast\Filters\HTML\PhastScriptsCompiler\Filter::class => []]], 'images' => ['enable-cache' => 'imgcache', 'api-mode' => false, 'factory' => \Kibo\Phast\Filters\Image\ImageFactory::class, 'maxImageInliningSize' => 512, 'whitelist' => ['~^https?://ajax\\.googleapis\\.com/ajax/libs/jqueryui/~'], 'filters' => [\Kibo\Phast\Filters\Image\ImageAPIClient\Filter::class => ['api-url' => 'https://optimize.phast.io/?service=images', 'host-name' => $request->getHost(), 'request-uri' => $request->getURI(), 'plugin-version' => 'phast-core-1.0']]], 'styles' => ['filters' => [\Kibo\Phast\Filters\Text\Decode\Filter::class => [], \Kibo\Phast\Filters\CSS\ImportsStripper\Filter::class => [], \Kibo\Phast\Filters\CSS\CSSMinifier\Filter::class => [], \Kibo\Phast\Filters\CSS\CSSURLRewriter\Filter::class => [], \Kibo\Phast\Filters\CSS\ImageURLRewriter\Filter::class => ['maxImageInliningSize' => 512], \Kibo\Phast\Filters\CSS\FontSwap\Filter::class => []]], 'logging' => ['logWriters' => [['class' => \Kibo\Phast\Logging\LogWriters\PHPError\Writer::class, 'levelMask' => \Kibo\Phast\Logging\LogLevel::EMERGENCY | \Kibo\Phast\Logging\LogLevel::ALERT | \Kibo\Phast\Logging\LogLevel::CRITICAL | \Kibo\Phast\Logging\LogLevel::ERROR | \Kibo\Phast\Logging\LogLevel::WARNING], ['enabled' => 'diagnostics', 'class' => \Kibo\Phast\Logging\LogWriters\JSONLFile\Writer::class, 'logRoot' => sys_get_temp_dir() . '/phast-logs']]], 'switches' => ['phast' => true, 'diagnostics' => false], 'scripts' => ['removeLicenseHeaders' => false, 'whitelist' => ['~^https?://' . preg_quote($request->getHost(), '~') . '/~', '~^https?://(ssl|www)\\.google-analytics\\.com/(analytics\\.js|ga\\.js|gtm/js)($|\\?)~', '~^https?://www\\.googletagmanager\\.com/~', '~^https?://www\\.googleadservices\\.com/~', '~^https?://pixel\\.adcrowd\\.com/~', '~^https?://connect\\.facebook\\.net/~', '~^https?://static\\.hotjar\\.com/~', '~^https?://v2\\.zopim\\.com/~', '~^https?://stats\\.g\\.doubleclick\\.net/dc\\.js$~', '~^https?://s\\.pinimg\\.com/~']]];
    }
}
namespace Kibo\Phast\Environment;

class Package
{
    /**
     * @var string
     */
    protected $type;
    /**
     * @var string
     */
    protected $namespace;
    /**
     * @param $className
     * @param string|null $type
     * @return Package
     */
    public static function fromPackageClass($className, $type = null)
    {
        $instance = new self();
        $lastSeparatorPosition = strrpos($className, '\\');
        $instance->type = empty($type) ? substr($className, $lastSeparatorPosition + 1) : $type;
        $instance->namespace = substr($className, 0, $lastSeparatorPosition);
        return $instance;
    }
    /**
     * @return string
     */
    public function getType()
    {
        return $this->type;
    }
    /**
     * @return string
     */
    public function getNamespace()
    {
        return $this->namespace;
    }
    /**
     * @return bool
     */
    public function hasFactory()
    {
        return $this->classExists($this->getFactoryClassName());
    }
    /**
     * @return mixed
     */
    public function getFactory()
    {
        if ($this->hasFactory()) {
            $class = $this->getFactoryClassName();
            return new $class();
        }
        throw new \Kibo\Phast\Environment\Exceptions\PackageHasNoFactoryException("Package {$this->namespace} has no factory");
    }
    /**
     * @return bool
     */
    public function hasDiagnostics()
    {
        return $this->classExists($this->getDiagnosticsClassName());
    }
    /**
     * @return Diagnostics
     */
    public function getDiagnostics()
    {
        if ($this->hasDiagnostics()) {
            $class = $this->getDiagnosticsClassName();
            return new $class();
        }
        throw new \Kibo\Phast\Environment\Exceptions\PackageHasNoDiagnosticsException("Package {$this->namespace} has no diagnostics");
    }
    private function getFactoryClassName()
    {
        return $this->getClassName('Factory');
    }
    private function getDiagnosticsClassName()
    {
        return $this->getClassName('Diagnostics');
    }
    private function getClassName($class)
    {
        return $this->namespace . '\\' . $class;
    }
    private function classExists($class)
    {
        // Don't trigger any autoloaders if Phast has been compiled into a
        // single file, and avoid triggering Magento code generation.
        $useAutoloader = basename(__FILE__) == 'Package.php';
        return class_exists($class, $useAutoloader);
    }
}
namespace Kibo\Phast\Environment;

class Switches
{
    const SWITCH_PHAST = 'phast';
    const SWITCH_DIAGNOSTICS = 'diagnostics';
    private static $defaults = array(self::SWITCH_PHAST => true, self::SWITCH_DIAGNOSTICS => false);
    private $switches = array();
    public static function fromArray(array $switches)
    {
        $instance = new self();
        $instance->switches = array_merge($instance->switches, $switches);
        return $instance;
    }
    public static function fromString($switches)
    {
        $instance = new self();
        if (empty($switches)) {
            return $instance;
        }
        foreach (explode(',', $switches) as $switch) {
            if ($switch[0] == '-') {
                $instance->switches[substr($switch, 1)] = false;
            } else {
                $instance->switches[$switch] = true;
            }
        }
        return $instance;
    }
    public function merge(\Kibo\Phast\Environment\Switches $switches)
    {
        $instance = new self();
        $instance->switches = array_merge($this->switches, $switches->switches);
        return $instance;
    }
    public function isOn($switch)
    {
        if (isset($this->switches[$switch])) {
            return (bool) $this->switches[$switch];
        }
        if (isset(self::$defaults[$switch])) {
            return (bool) self::$defaults[$switch];
        }
        return true;
    }
    public function toArray()
    {
        return array_merge(self::$defaults, $this->switches);
    }
}
namespace Kibo\Phast\Environment;

class Configuration
{
    /**
     * @var array
     */
    private $sourceConfig;
    /**
     * @var Switches
     */
    private $switches;
    /**
     * @return Configuration
     */
    public static function fromDefaults()
    {
        return new self(\Kibo\Phast\Environment\DefaultConfiguration::get());
    }
    /**
     * Configuration constructor.
     * @param array $sourceConfig
     */
    public function __construct(array $sourceConfig)
    {
        $this->sourceConfig = $sourceConfig;
        if (!isset($this->sourceConfig['switches'])) {
            $this->switches = new \Kibo\Phast\Environment\Switches();
        } else {
            $this->switches = \Kibo\Phast\Environment\Switches::fromArray($this->sourceConfig['switches']);
        }
    }
    /**
     * @param Configuration $config
     * @return $this
     */
    public function withUserConfiguration(\Kibo\Phast\Environment\Configuration $config)
    {
        $result = $this->recursiveMerge($this->sourceConfig, $config->sourceConfig);
        return new self($result);
    }
    public function withServiceRequest(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $clone = clone $this;
        $clone->switches = $this->switches->merge($request->getSwitches());
        return $clone;
    }
    public function getRuntimeConfig()
    {
        $config = $this->sourceConfig;
        $switchables = [&$config['documents']['filters'], &$config['images']['filters'], &$config['logging']['logWriters'], &$config['styles']['filters']];
        foreach ($switchables as &$switchable) {
            if (!is_array($switchable)) {
                continue;
            }
            $switchable = array_filter($switchable, function ($item) {
                if (!isset($item['enabled'])) {
                    return true;
                }
                if ($item['enabled'] === false) {
                    return false;
                }
                return $this->switches->isOn($item['enabled']);
            });
        }
        if (isset($config['images']['enable-cache']) && is_string($config['images']['enable-cache'])) {
            $config['images']['enable-cache'] = $this->switches->isOn($config['images']['enable-cache']);
        }
        $config['switches'] = $this->switches->toArray();
        return new \Kibo\Phast\Environment\Configuration($config);
    }
    public function toArray()
    {
        return $this->sourceConfig;
    }
    private function recursiveMerge(array $a1, array $a2)
    {
        foreach ($a2 as $key => $value) {
            if (isset($a1[$key]) && is_array($a1[$key]) && is_array($value)) {
                $a1[$key] = $this->recursiveMerge($a1[$key], $value);
            } elseif (is_string($key)) {
                $a1[$key] = $value;
            } else {
                $a1[] = $value;
            }
        }
        return $a1;
    }
}
namespace Kibo\Phast\Cache;

interface Cache
{
    /**
     * @param string $key
     * @param callable|null $cached
     * @param int $expiresIn
     * @return mixed
     */
    public function get($key, callable $cached = null, $expiresIn = 0);
    /**
     * @param string $key
     * @param mixed $value
     * @param int $expiresIn
     * @return mixed
     */
    public function set($key, $value, $expiresIn = 0);
}
namespace Kibo\Phast\Cache\File;

abstract class ProbabilisticExecutor
{
    /**
     * @var string
     */
    protected $cacheRoot;
    /**
     * @var float
     */
    protected $probability = 0;
    /**
     * @var ObjectifiedFunctions
     */
    protected $functions;
    protected abstract function execute();
    protected function __construct(array $config, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->cacheRoot = $config['cacheRoot'];
        $this->functions = is_null($functions) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $functions;
    }
    public function __destruct()
    {
        if ($this->shouldExecute()) {
            $this->execute();
        }
    }
    private function shouldExecute()
    {
        if (!$this->functions->file_exists($this->cacheRoot)) {
            return false;
        }
        if ($this->probability <= 0) {
            return false;
        }
        if ($this->probability >= 1) {
            return true;
        }
        return $this->functions->mt_rand(1, round(1 / $this->probability)) == 1;
    }
    protected function getCacheFiles($path)
    {
        /** @var \SplFileInfo $item */
        foreach ($this->makeFileSystemIterator($path) as $item) {
            if ($this->isShard($item)) {
                foreach ($this->getCacheFiles($item->getRealPath()) as $item) {
                    (yield $item);
                }
            } elseif ($this->isCacheEntry($item)) {
                (yield $item);
            }
        }
    }
    /**
     * @return \Iterator
     */
    protected function makeFileSystemIterator($path)
    {
        try {
            $items = iterator_to_array(new \FilesystemIterator($path));
            shuffle($items);
            return new \ArrayIterator($items);
        } catch (\Exception $e) {
            return new \ArrayIterator([]);
        }
    }
    protected function isShard(\SplFileInfo $item)
    {
        return $item->isDir() && !$item->isLink() && preg_match('/^[a-f\\d]{2}$/', $item->getFilename());
    }
    protected function isCacheEntry(\SplFileInfo $item)
    {
        return $item->isFile() && preg_match('/^[a-f\\d]{32}-/', $item->getFilename());
    }
}
namespace Kibo\Phast\Cache\File;

class GarbageCollector extends \Kibo\Phast\Cache\File\ProbabilisticExecutor
{
    /**
     * @var integer
     */
    private $shardingDepth;
    /**
     * @var integer
     */
    private $gcMaxAge;
    /**
     * @var integer
     */
    private $gcMaxItems;
    public function __construct(array $config, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->shardingDepth = $config['shardingDepth'];
        $this->gcMaxAge = $config['garbageCollection']['maxAge'];
        $this->gcMaxItems = $config['garbageCollection']['maxItems'];
        $this->probability = $config['garbageCollection']['probability'];
        parent::__construct($config, $functions);
    }
    protected function execute()
    {
        $files = $this->getCacheFiles($this->cacheRoot);
        $deleted = 0;
        /** @var \SplFileInfo $file */
        foreach ($this->filterOldFiles($files) as $file) {
            @$this->functions->unlink($file->getRealPath());
            $deleted++;
            if ($deleted == $this->gcMaxItems) {
                break;
            }
        }
    }
    /**
     * @param \Iterator $files
     * @return \Generator
     */
    private function filterOldFiles(\Iterator $files)
    {
        $maxTimeModified = time() - $this->gcMaxAge;
        /** @var \SplFileInfo $file */
        foreach ($files as $file) {
            if ($file->getMTime() < $maxTimeModified) {
                (yield $file);
            }
        }
    }
}
namespace Kibo\Phast\Cache\File;

class Cache implements \Kibo\Phast\Cache\Cache
{
    use \Kibo\Phast\Logging\LoggingTrait;
    const VERSION = '3';
    /**
     * @var GarbageCollector
     */
    private static $garbageCollector;
    /**
     * @var DiskCleanup
     */
    private static $diskCleanup;
    /**
     * @var string
     */
    private $cacheRoot;
    /**
     * @var string
     */
    private $cacheNS;
    /**
     * @var integer
     */
    private $shardingDepth;
    /**
     * @var integer
     */
    private $gcMaxAge;
    /**
     * @var ObjectifiedFunctions
     */
    private $functions;
    /**
     * @var System
     */
    private $system;
    public function __construct(array $config, $cacheNamespace, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->cacheRoot = $config['cacheRoot'];
        $this->shardingDepth = $config['shardingDepth'];
        $this->gcMaxAge = $config['garbageCollection']['maxAge'];
        $this->cacheNS = $cacheNamespace;
        if ($functions) {
            $this->functions = $functions;
        } else {
            $this->functions = new \Kibo\Phast\Common\ObjectifiedFunctions();
        }
        $this->system = new \Kibo\Phast\Common\System($this->functions);
        if (!isset(self::$garbageCollector)) {
            self::$garbageCollector = new \Kibo\Phast\Cache\File\GarbageCollector($config, $this->functions);
            self::$diskCleanup = new \Kibo\Phast\Cache\File\DiskCleanup($config, $this->functions);
        }
    }
    public function get($key, callable $cached = null, $expiresIn = 0)
    {
        $contents = $this->getFromCache($key);
        if (!is_null($contents)) {
            return $contents;
        }
        if (is_null($cached)) {
            return null;
        }
        $contents = $cached();
        $this->storeCache($key, $contents, $expiresIn);
        return $contents;
    }
    public function set($key, $value, $expiresIn = 0)
    {
        $this->storeCache($key, $value, $expiresIn);
    }
    /**
     * @return GarbageCollector
     */
    public function getGarbageCollector()
    {
        return self::$garbageCollector;
    }
    /**
     * @return DiskCleanup
     */
    public function getDiskCleanup()
    {
        return self::$diskCleanup;
    }
    private function getCacheDir($key)
    {
        $hashedKey = $this->getHashedKey($key);
        $parts = [$this->cacheRoot];
        for ($i = 0; $i < $this->shardingDepth * 2; $i += 2) {
            $parts[] = substr($hashedKey, $i, 2);
        }
        return join('/', $parts);
    }
    private function getCacheFilename($key)
    {
        return $this->getCacheDir($key) . '/' . $this->getHashedKey($key) . '-' . ltrim($this->cacheNS, '/');
    }
    private function getHashedKey($key)
    {
        return md5($key);
    }
    private function storeCache($key, $contents, $expiresIn)
    {
        $dir = $this->getCacheDir($key);
        if (!file_exists($dir)) {
            @mkdir($dir, 0700, true);
        }
        if (($uid = $this->system->getUserId()) && $uid !== $this->functions->fileowner($this->cacheRoot)) {
            $this->logger()->critical('Phast: FileCache: Cache root {cacheRoot} owned by {fileOwner}, but process user is {userId}!', ['cacheRoot' => $this->cacheRoot, 'fileOwner' => fileowner($this->cacheRoot), 'userId' => $uid]);
            return;
        }
        $file = $this->getCacheFilename($key);
        $expirationTime = $expiresIn > 0 ? $this->functions->time() + $expiresIn : 0;
        $serialized = serialize($contents);
        $serialized = implode(' ', [$expirationTime, self::VERSION, md5($serialized), $serialized]);
        $result = @$this->functions->file_put_contents($file, $serialized);
        if ($result === false) {
            @chmod($file, 0600);
            @unlink($file);
            $result = @$this->functions->file_put_contents($file, $serialized);
        }
        if ($result !== strlen($serialized)) {
            $this->logger()->critical('Phast: FileCache: Error writing to file {filename}. {written} of {total} bytes written!', ['filename' => $file, 'written' => json_encode($result), 'total' => strlen($serialized)]);
        }
    }
    private function getFromCache($key)
    {
        $file = $this->getCacheFilename($key);
        $contents = @$this->functions->file_get_contents($file);
        if ($contents === false) {
            return null;
        }
        @(list($expirationTime, $version, $data) = explode(' ', $contents, 3));
        if ($version === '2') {
            $data = unserialize($data);
        } elseif ($version === self::VERSION) {
            @(list($hash, $data) = explode(' ', $data, 2));
            if (md5($data) != $hash) {
                $this->logger()->error('Phast: FileCache: Cache file was corrupted: {file}', ['file' => $file]);
                return null;
            }
            $data = unserialize($data);
        } else {
            $this->logger()->debug('Phast: FileCache: Refusing to read old cache file {file}', ['file' => $file]);
            return null;
        }
        if ($expirationTime > $this->functions->time() || $expirationTime == 0) {
            if ($this->functions->time() - @$this->functions->filectime($file) >= round($this->gcMaxAge / 10)) {
                @$this->functions->touch($file);
            }
            return $data;
        }
        return null;
    }
}
namespace Kibo\Phast\Cache\File;

class DiskCleanup extends \Kibo\Phast\Cache\File\ProbabilisticExecutor
{
    /**
     * @var integer
     */
    private $maxSize;
    /**
     * @var float
     */
    private $portionToFree;
    public function __construct(array $config, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->maxSize = $config['diskCleanup']['maxSize'];
        $this->probability = $config['diskCleanup']['probability'];
        $this->portionToFree = $config['diskCleanup']['portionToFree'];
        parent::__construct($config, $functions);
    }
    protected function execute()
    {
        $usedSpace = $this->calculateUsedSpace();
        $neededSpace = round($this->portionToFree * $this->maxSize);
        $bytesToDelete = $usedSpace - $this->maxSize + $neededSpace;
        $deletedBytes = 0;
        /** @var \SplFileInfo $file */
        foreach ($this->getCacheFiles($this->cacheRoot) as $file) {
            if ($deletedBytes >= $bytesToDelete) {
                break;
            }
            $deletedBytes += $file->getSize();
            @unlink($file->getRealPath());
        }
    }
    private function calculateUsedSpace()
    {
        $size = 0;
        /** @var \SplFileInfo $file */
        foreach ($this->getCacheFiles($this->cacheRoot) as $file) {
            $size += $file->getSize();
        }
        return $size;
    }
}
namespace Kibo\Phast;

class PhastDocumentFilters
{
    const DOCUMENT_PATTERN = "~\n        \\s* (<\\?xml[^>]*>)?\n        (\\s* <!--(.*?)-->)*\n        \\s* (<!doctype\\s+html[^>]*>)?\n        (\\s* <!--(.*?)-->)*\n        \\s* <html (?<amp> [^>]* \\s ( amp | \342\232\241 ) [\\s=>] )?\n        .*\n        ( </body> | </html> )\n    ~xsiA";
    /**
     * @return ?OutputBufferHandler
     */
    public static function deploy(array $userConfig = array())
    {
        $runtimeConfig = self::configure($userConfig);
        if (!$runtimeConfig) {
            return null;
        }
        $handler = new \Kibo\Phast\Common\OutputBufferHandler($runtimeConfig['documents']['maxBufferSizeToApply'], function ($html, $applyCheckBuffer) use($runtimeConfig) {
            return self::applyWithRuntimeConfig($html, $runtimeConfig, $applyCheckBuffer);
        });
        $handler->install();
        \Kibo\Phast\Logging\Log::info('Phast deployed!');
        return $handler;
    }
    public static function apply($html, array $userConfig)
    {
        $runtimeConfig = self::configure($userConfig);
        if (!$runtimeConfig) {
            return $html;
        }
        return self::applyWithRuntimeConfig($html, $runtimeConfig);
    }
    private static function configure(array $userConfig)
    {
        $request = \Kibo\Phast\Services\ServiceRequest::fromHTTPRequest(\Kibo\Phast\HTTP\Request::fromGlobals());
        $runtimeConfig = \Kibo\Phast\Environment\Configuration::fromDefaults()->withUserConfiguration(new \Kibo\Phast\Environment\Configuration($userConfig))->withServiceRequest($request)->getRuntimeConfig()->toArray();
        \Kibo\Phast\Logging\Log::init($runtimeConfig['logging'], $request, 'dom-filters');
        \Kibo\Phast\Services\ServiceRequest::setDefaultSerializationMode($runtimeConfig['serviceRequestFormat']);
        if ($request->hasRequestSwitchesSet()) {
            \Kibo\Phast\Logging\Log::info('Request has switches set! Sending "noindex" header!');
            header('X-Robots-Tag: noindex');
        }
        if (!$runtimeConfig['switches']['phast']) {
            \Kibo\Phast\Logging\Log::info('Phast is off. Skipping document filter deployment!');
            return;
        }
        return $runtimeConfig;
    }
    private static function applyWithRuntimeConfig($buffer, $runtimeConfig, $applyCheckBuffer = null)
    {
        if (is_null($applyCheckBuffer)) {
            $applyCheckBuffer = $buffer;
        }
        if (!self::shouldApply($applyCheckBuffer, $runtimeConfig)) {
            \Kibo\Phast\Logging\Log::info("Buffer ({bufferSize} bytes) doesn't look like html! Not applying filters", ['bufferSize' => strlen($applyCheckBuffer)]);
            return $buffer;
        }
        $compositeFilter = (new \Kibo\Phast\Filters\HTML\Composite\Factory())->make($runtimeConfig);
        if (self::isAMP($applyCheckBuffer)) {
            $compositeFilter->selectFilters(function ($filter) {
                return $filter instanceof \Kibo\Phast\Filters\HTML\AMPCompatibleFilter;
            });
        }
        return $compositeFilter->apply($buffer);
    }
    private static function shouldApply($buffer, $runtimeConfig)
    {
        if ($runtimeConfig['optimizeHTMLDocumentsOnly']) {
            return preg_match(self::DOCUMENT_PATTERN, $buffer);
        }
        return strpos($buffer, '<') !== false;
    }
    private static function isAMP($buffer)
    {
        return preg_match(self::DOCUMENT_PATTERN, $buffer, $match) && !empty($match['amp']);
    }
}
namespace Kibo\Phast\Diagnostics;

interface Diagnostics
{
    /**
     * @param array $config
     */
    public function diagnose(array $config);
}
namespace Kibo\Phast\Diagnostics;

class SystemDiagnostics
{
    /**
     * @param array $userConfigArr
     * @return Status[]
     */
    public function run(array $userConfigArr)
    {
        $results = [];
        $userConfig = new \Kibo\Phast\Environment\Configuration($userConfigArr);
        $config = \Kibo\Phast\Environment\Configuration::fromDefaults()->withUserConfiguration($userConfig);
        foreach ($this->getExaminedItems($config) as $type => $group) {
            foreach ($group['items'] as $name) {
                $enabled = call_user_func($group['enabled'], $name);
                $package = \Kibo\Phast\Environment\Package::fromPackageClass($name, $type);
                try {
                    $diagnostic = $package->getDiagnostics();
                    $diagnostic->diagnose($config->toArray());
                    $results[] = new \Kibo\Phast\Diagnostics\Status($package, true, '', $enabled);
                } catch (\Kibo\Phast\Environment\Exceptions\PackageHasNoDiagnosticsException $e) {
                    $results[] = new \Kibo\Phast\Diagnostics\Status($package, true, '', $enabled);
                } catch (\Kibo\Phast\Exceptions\RuntimeException $e) {
                    $results[] = new \Kibo\Phast\Diagnostics\Status($package, false, $e->getMessage(), $enabled);
                } catch (\Exception $e) {
                    $results[] = new \Kibo\Phast\Diagnostics\Status($package, false, sprintf('Unknown error: Exception: %s, Message: %s, Code: %s', get_class($e), $e->getMessage(), $e->getCode()), $enabled);
                }
            }
        }
        return $results;
    }
    private function getExaminedItems(\Kibo\Phast\Environment\Configuration $config)
    {
        $runtimeConfig = $config->getRuntimeConfig()->toArray();
        $configArr = $config->toArray();
        return ['HTMLFilter' => ['items' => array_keys($configArr['documents']['filters']), 'enabled' => function ($filter) use($runtimeConfig) {
            return isset($runtimeConfig['documents']['filters'][$filter]);
        }], 'ImageFilter' => ['items' => array_keys($configArr['images']['filters']), 'enabled' => function ($filter) use($runtimeConfig) {
            return isset($runtimeConfig['images']['filters'][$filter]);
        }], 'Cache' => ['items' => [\Kibo\Phast\Cache\File\Cache::class], 'enabled' => function () {
            return true;
        }]];
    }
}
namespace Kibo\Phast\Diagnostics;

class Status implements \JsonSerializable
{
    /**
     * @var Package
     */
    private $package;
    /**
     * @var bool
     */
    private $available;
    /**
     * @var string
     */
    private $reason;
    /**
     * @var bool
     */
    private $enabled;
    /**
     * Status constructor.
     * @param Package $package
     * @param bool $available
     * @param string $reason
     * @param bool $enabled
     */
    public function __construct(\Kibo\Phast\Environment\Package $package, $available, $reason, $enabled)
    {
        $this->package = $package;
        $this->available = $available;
        $this->reason = $reason;
        $this->enabled = $enabled;
    }
    /**
     * @return Package
     */
    public function getPackage()
    {
        return $this->package;
    }
    /**
     * @return bool
     */
    public function isAvailable()
    {
        return $this->available;
    }
    /**
     * @return string
     */
    public function getReason()
    {
        return $this->reason;
    }
    /**
     * @return bool
     */
    public function isEnabled()
    {
        return $this->enabled;
    }
    /**
     * @return array
     */
    public function toArray()
    {
        return ['package' => ['type' => $this->package->getType(), 'name' => $this->package->getNamespace()], 'available' => $this->available, 'reason' => $this->reason, 'enabled' => $this->enabled];
    }
    public function jsonSerialize()
    {
        return $this->toArray();
    }
}
namespace Kibo\Phast\Retrievers;

interface Retriever
{
    /**
     * @param URL $url
     * @return string|bool
     */
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url);
    /**
     * @param URL $url
     * @return integer|bool
     */
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url);
}
namespace Kibo\Phast\Retrievers;

trait DynamicCacheSaltTrait
{
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url)
    {
        return md5($url->toString()) . '-' . floor(time() / 7200);
    }
}
namespace Kibo\Phast\Retrievers;

class RemoteRetriever implements \Kibo\Phast\Retrievers\Retriever
{
    use \Kibo\Phast\Retrievers\DynamicCacheSaltTrait;
    use \Kibo\Phast\Logging\LoggingTrait;
    private $client;
    public function __construct(\Kibo\Phast\HTTP\Client $client)
    {
        $this->client = $client;
    }
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url)
    {
        try {
            $response = $this->client->get($url, ['User-Agent' => 'Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:56.0) Gecko/20100101 Firefox/56.0']);
        } catch (\Exception $e) {
            $this->logger()->warning('Caught {cls} while fetching {url}: ({code}) {message}', ['cls' => get_class($e), 'url' => (string) $url, 'code' => $e->getCode(), 'message' => $e->getMessage()]);
            return false;
        }
        return $response->getContent();
    }
}
namespace Kibo\Phast\Retrievers;

class RemoteRetrieverFactory
{
    public function make(array $config)
    {
        return new \Kibo\Phast\Retrievers\RemoteRetriever((new \Kibo\Phast\HTTP\ClientFactory())->make($config));
    }
}
namespace Kibo\Phast\Retrievers;

class UniversalRetriever implements \Kibo\Phast\Retrievers\Retriever
{
    /**
     * @var Retriever[]
     */
    private $retrievers = array();
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $this->iterateRetrievers(function (\Kibo\Phast\Retrievers\Retriever $retriever) use($url) {
            return $retriever->retrieve($url);
        });
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $this->iterateRetrievers(function (\Kibo\Phast\Retrievers\Retriever $retriever) use($url) {
            return $retriever->getCacheSalt($url);
        });
    }
    private function iterateRetrievers(callable $callback)
    {
        foreach ($this->retrievers as $retriever) {
            $result = $callback($retriever);
            if ($result !== false) {
                return $result;
            }
        }
        return false;
    }
    public function addRetriever(\Kibo\Phast\Retrievers\Retriever $retriever)
    {
        $this->retrievers[] = $retriever;
    }
}
namespace Kibo\Phast\Retrievers;

class LocalRetriever implements \Kibo\Phast\Retrievers\Retriever
{
    /**
     * @var array
     */
    private $map;
    /**
     * @var ObjectifiedFunctions
     */
    private $funcs;
    /**
     * LocalRetriever constructor.
     *
     * @param array $map
     * @param ObjectifiedFunctions|null $functions
     */
    public function __construct(array $map, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->map = $map;
        if ($functions) {
            $this->funcs = $functions;
        } else {
            $this->funcs = new \Kibo\Phast\Common\ObjectifiedFunctions();
        }
    }
    public static function getAllowedExtensions()
    {
        return ['css', 'js', 'bmp', 'png', 'jpg', 'jpeg', 'gif', 'webp', 'ico', 'svg', 'txt'];
    }
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $this->guard($url, function ($file) {
            return @$this->funcs->file_get_contents($file);
        });
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $this->guard($url, function ($file) {
            $size = @$this->funcs->filesize($file);
            $mtime = @$this->funcs->filectime($file);
            if ($size === false && $mtime === false) {
                return '';
            }
            return "{$mtime}-{$size}";
        });
    }
    public function getSize(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $this->guard($url, function ($file) {
            return @$this->funcs->filesize($file);
        });
    }
    private function guard(\Kibo\Phast\ValueObjects\URL $url, callable $cb)
    {
        if (!in_array($this->getExtensionForURL($url), self::getAllowedExtensions())) {
            return false;
        }
        $file = $this->getFileForURL($url);
        if ($file === false) {
            return false;
        }
        return $cb($file);
    }
    private function getExtensionForURL(\Kibo\Phast\ValueObjects\URL $url)
    {
        $dotPosition = strrpos($url->getPath(), '.');
        if ($dotPosition === false) {
            return '';
        }
        return strtolower(substr($url->getPath(), $dotPosition + 1));
    }
    private function getFileForURL(\Kibo\Phast\ValueObjects\URL $url)
    {
        if (!isset($this->map[$url->getHost()])) {
            return false;
        }
        $submap = $this->map[$url->getHost()];
        if (!is_array($submap)) {
            return $this->appendNormalized($submap, $url->getPath());
        }
        $selectedPath = null;
        $selectedRoot = null;
        foreach ($submap as $prefix => $root) {
            $pattern = '~^(?=/)/*?(?:' . str_replace('~', '\\~', $prefix) . ')(?<path>/*(?<=/).*)~';
            if (preg_match($pattern, $url->getPath(), $match) && ($selectedPath === null || strlen($match['path']) < strlen($selectedPath))) {
                $selectedRoot = $root;
                $selectedPath = $match['path'];
            }
        }
        if ($selectedPath === null) {
            return false;
        }
        return $this->appendNormalized($selectedRoot, $selectedPath);
    }
    private function appendNormalized($target, $appended)
    {
        $appended = explode("\0", $appended)[0];
        $appended = str_replace(['/', '\\'], DIRECTORY_SEPARATOR, $appended);
        $absolutes = [];
        foreach (explode(DIRECTORY_SEPARATOR, $appended) as $part) {
            if ($part == '' || $part == '.') {
            } elseif ($part == '..') {
                if (array_pop($absolutes) === null) {
                    return false;
                }
            } else {
                $absolutes[] = $part;
            }
        }
        return $target . DIRECTORY_SEPARATOR . implode(DIRECTORY_SEPARATOR, $absolutes);
    }
}
namespace Kibo\Phast\Retrievers;

class CachingRetriever implements \Kibo\Phast\Retrievers\Retriever
{
    use \Kibo\Phast\Retrievers\DynamicCacheSaltTrait {
        getCacheSalt as getDynamicCacheSalt;
    }
    /**
     * @var Cache
     */
    private $cache;
    /**
     * @var Retriever
     */
    private $retriever;
    /**
     * CachingRetriever constructor.
     *
     * @param Retriever $retriever
     * @param Cache $cache
     * @param int $defaultCacheTime
     */
    public function __construct(\Kibo\Phast\Cache\Cache $cache, \Kibo\Phast\Retrievers\Retriever $retriever = null, $defaultCacheTime = 0)
    {
        $this->cache = $cache;
        $this->retriever = $retriever;
    }
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url)
    {
        if ($this->retriever) {
            return $this->getCachedWithRetriever($url);
        }
        return $this->getFromCacheOnly($url);
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url)
    {
        if ($this->retriever) {
            return $this->retriever->getCacheSalt($url);
        }
        return $this->getDynamicCacheSalt($url);
    }
    private function getCachedWithRetriever(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $this->cache->get($this->getCacheKey($url), function () use($url) {
            return $this->retriever->retrieve($url);
        });
    }
    private function getFromCacheOnly(\Kibo\Phast\ValueObjects\URL $url)
    {
        $cached = $this->cache->get($this->getCacheKey($url));
        if (!$cached) {
            return false;
        }
        return $cached;
    }
    private function getCacheKey(\Kibo\Phast\ValueObjects\URL $url)
    {
        return $url . '-' . $this->getCacheSalt($url);
    }
}
namespace Kibo\Phast\Retrievers;

class PostDataRetriever implements \Kibo\Phast\Retrievers\Retriever
{
    /**
     * @var ObjectifiedFunctions
     */
    private $funcs;
    private $content;
    /**
     * PostDataRetriever constructor.
     * @param ObjectifiedFunctions $funcs
     */
    public function __construct(\Kibo\Phast\Common\ObjectifiedFunctions $funcs = null)
    {
        $this->funcs = is_null($funcs) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $funcs;
    }
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url)
    {
        if (!isset($this->content)) {
            $this->content = $this->funcs->file_get_contents('php://input');
        }
        return $this->content;
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url)
    {
        return md5($this->retrieve($url));
    }
}
namespace Kibo\Phast\Filters\HTML\Composite;

class Factory
{
    use \Kibo\Phast\Logging\LoggingTrait;
    public function make(array $config)
    {
        $composite = new \Kibo\Phast\Filters\HTML\Composite\Filter(\Kibo\Phast\ValueObjects\URL::fromString($config['documents']['baseUrl']), $config['outputServerSideStats']);
        foreach (array_keys($config['documents']['filters']) as $class) {
            $package = \Kibo\Phast\Environment\Package::fromPackageClass($class);
            if ($package->hasFactory()) {
                $filter = $package->getFactory()->make($config);
            } elseif (!class_exists($class)) {
                $this->logger(__METHOD__, __LINE__)->error("Skipping non-existent filter class: {$class}");
                continue;
            } else {
                $filter = new $class();
            }
            $composite->addHTMLFilter($filter);
        }
        return $composite;
    }
}
namespace Kibo\Phast\Filters\HTML\Composite;

class Filter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var URL
     */
    private $baseUrl;
    private $outputStats;
    /**
     * @var HTMLStreamFilter[]
     */
    private $filters = array();
    private $timings = array();
    /**
     * Filter constructor.
     * @param URL $baseUrl
     * @param $outputStats
     */
    public function __construct(\Kibo\Phast\ValueObjects\URL $baseUrl, $outputStats)
    {
        $this->baseUrl = $baseUrl;
        $this->outputStats = $outputStats;
    }
    /**
     * @param string $buffer
     * @return string
     */
    public function apply($buffer)
    {
        $timeStart = microtime(true);
        try {
            return $this->tryToApply($buffer, $timeStart);
        } catch (\Exception $e) {
            $this->logger()->critical('Phast: CompositeHTMLFilter: {exception} Msg: {message}, Code: {code}, File: {file}, Line: {line}', ['exception' => get_class($e), 'message' => $e->getMessage(), 'code' => $e->getCode(), 'file' => $e->getFile(), 'line' => $e->getLine()]);
            return $buffer;
        }
    }
    public function addHTMLFilter(\Kibo\Phast\Filters\HTML\HTMLStreamFilter $filter)
    {
        $this->filters[] = $filter;
    }
    private function tryToApply($buffer, $timeStart)
    {
        $context = new \Kibo\Phast\Filters\HTML\HTMLPageContext($this->baseUrl);
        $elements = (new \Kibo\Phast\Parsing\HTML\PCRETokenizer())->tokenize($buffer);
        foreach ($this->filters as $filter) {
            $this->logger()->info('Starting {filter}', ['filter' => get_class($filter)]);
            $elements = $filter->transformElements($elements, $context);
        }
        $output = '';
        foreach ($elements as $element) {
            $output .= $element;
        }
        $timeDelta = microtime(true) - $timeStart;
        if ($this->outputStats) {
            $output .= sprintf("\n<!-- [Phast] Document optimized in %dms -->\n", $timeDelta * 1000);
        }
        return $output;
    }
    public function selectFilters($callback)
    {
        $this->filters = array_filter($this->filters, $callback);
    }
}
namespace Kibo\Phast\Filters\HTML;

interface AMPCompatibleFilter
{
}
namespace Kibo\Phast\Filters\HTML;

interface HTMLStreamFilter
{
    /**
     * @param \Traversable $elements
     * @param HTMLPageContext $context
     * @return \Traversable
     */
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context);
}
namespace Kibo\Phast\Filters\HTML\MinifyScripts;

class Filter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter
{
    use \Kibo\Phast\Filters\HTML\Helpers\JSDetectorTrait;
    private $cache;
    public function __construct(\Kibo\Phast\Cache\File\Cache $cache)
    {
        $this->cache = $cache;
    }
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        $inTags = ['pre' => 0, 'textarea' => 0];
        foreach ($elements as $element) {
            if ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag && $element->getTagName() === 'script' && ($content = $element->getTextContent()) !== '') {
                $content = trim($content);
                if ($this->isJSElement($element) && preg_match('~[()[\\]{};]\\s~', $content)) {
                    $content = preg_replace('~^\\s*<!--\\s*\\n(.*)\\n\\s*-->\\s*$~s', '$1', $content);
                    $content = $this->cache->get(md5($content), function () use($content) {
                        return (new \Kibo\Phast\Common\JSMinifier($content, true))->min();
                    });
                } elseif (($data = @json_decode($content)) !== null && ($newContent = json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES)) !== false) {
                    $content = str_replace('</', '<\\/', $newContent);
                }
                $element->setTextContent($content);
            }
            (yield $element);
        }
    }
}
namespace Kibo\Phast\Filters\HTML\MinifyScripts;

class Factory
{
    public function make(array $config)
    {
        return new \Kibo\Phast\Filters\HTML\MinifyScripts\Filter(new \Kibo\Phast\Cache\File\Cache($config['cache'], 'minified-inline-scripts'));
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService;

class ImageURLRewriterFactory
{
    public function make(array $config, $filterClass = '')
    {
        $signature = (new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config);
        if (isset($config['documents']['filters'][$filterClass])) {
            $classConfig = $config['documents']['filters'][$filterClass];
        } elseif (isset($config['styles']['filters'][$filterClass])) {
            $classConfig = $config['styles']['filters'][$filterClass];
        } else {
            $classConfig = [];
        }
        if (isset($classConfig['serviceUrl'])) {
            $serviceUrl = $classConfig['serviceUrl'];
        } else {
            $serviceUrl = $config['servicesUrl'] . '?service=images';
        }
        return new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriter($signature, new \Kibo\Phast\Retrievers\LocalRetriever($config['retrieverMap']), (new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageInliningManagerFactory())->make($config), \Kibo\Phast\ValueObjects\URL::fromString($config['documents']['baseUrl']), \Kibo\Phast\ValueObjects\URL::fromString($serviceUrl), $config['images']['whitelist']);
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService;

class ImageInliningManager
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var Cache
     */
    private $cache;
    /**
     * @var int
     */
    private $maxImageInliningSize;
    /**
     * ImageInliningManager constructor.
     * @param Cache $cache
     * @param int $maxImageInliningSize
     */
    public function __construct(\Kibo\Phast\Cache\Cache $cache, $maxImageInliningSize)
    {
        $this->cache = $cache;
        $this->maxImageInliningSize = $maxImageInliningSize;
    }
    /**
     * @return int
     */
    public function getMaxImageInliningSize()
    {
        return $this->maxImageInliningSize;
    }
    /**
     * @param Resource $resource
     * @return string|null
     */
    public function getUrlForInlining(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        if ($resource->getMimeType() !== 'image/svg+xml') {
            return $this->cache->get($this->getCacheKey($resource));
        }
        try {
            if ($this->hasSizeForInlining($resource)) {
                return $resource->toDataURL();
            }
        } catch (\Kibo\Phast\Exceptions\ItemNotFoundException $e) {
            $this->logger()->warning('Could not fetch contents for {url}. Message is {message}', ['url' => $resource->getUrl()->toString(), 'message' => $e->getMessage()]);
        }
        return null;
    }
    public function maybeStoreForInlining(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        if ($this->shouldStoreForInlining($resource)) {
            $this->logger()->info('Storing {url} for inlining', ['url' => $resource->getUrl()->toString()]);
            $this->cache->set($this->getCacheKey($resource), $resource->toDataURL());
        } else {
            $this->logger()->info('Not storing {url} for inlining', ['url' => $resource->getUrl()->toString()]);
        }
    }
    private function shouldStoreForInlining(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        return $this->hasSizeForInlining($resource) && strpos($resource->getMimeType(), 'image/') === 0 && $resource->getMimeType() !== 'image/webp';
    }
    private function hasSizeForInlining(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        $size = $resource->getSize();
        return $size !== false && $size <= $this->maxImageInliningSize;
    }
    private function getCacheKey(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        return $resource->getUrl()->toString() . '|' . $resource->getCacheSalt() . '|' . $this->maxImageInliningSize;
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService;

class ImageURLRewriter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var ServiceSignature
     */
    protected $signature;
    /**
     * @var Retriever
     */
    protected $retriever;
    /**
     * @var ImageInliningManager
     */
    protected $inliningManager;
    /**
     * @var URL
     */
    protected $baseUrl;
    /**
     * @var URL
     */
    protected $serviceUrl;
    /**
     * @var string[]
     */
    protected $whitelist;
    /**
     * @var Resource[]
     */
    protected $inlinedResources;
    /**
     * ImageURLRewriter constructor.
     * @param ServiceSignature $signature
     * @param LocalRetriever $retriever
     * @param ImageInliningManager $inliningManager
     * @param URL $baseUrl
     * @param URL $serviceUrl
     * @param array $whitelist
     */
    public function __construct(\Kibo\Phast\Security\ServiceSignature $signature, \Kibo\Phast\Retrievers\LocalRetriever $retriever, \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageInliningManager $inliningManager, \Kibo\Phast\ValueObjects\URL $baseUrl, \Kibo\Phast\ValueObjects\URL $serviceUrl, array $whitelist)
    {
        $this->signature = $signature;
        $this->retriever = $retriever;
        $this->inliningManager = $inliningManager;
        $this->baseUrl = $baseUrl;
        $this->serviceUrl = $serviceUrl;
        $this->whitelist = $whitelist;
    }
    /**
     * @param string $url
     * @param URL|null $baseUrl
     * @param array $params
     * @param bool $mustExist
     * @return string
     */
    public function rewriteUrl($url, \Kibo\Phast\ValueObjects\URL $baseUrl = null, array $params = array(), $mustExist = false)
    {
        if (strpos($url, '#') === 0) {
            return $url;
        }
        $this->inlinedResources = [];
        $absolute = $this->makeURLAbsoluteToBase($url, $baseUrl);
        if (!$this->shouldRewriteUrl($absolute)) {
            return $url;
        }
        $resource = \Kibo\Phast\ValueObjects\Resource::makeWithRetriever($absolute, $this->retriever);
        if ($mustExist && $resource->getSize() === false) {
            return $url;
        }
        $dataUrl = $this->inliningManager->getUrlForInlining($resource);
        if ($dataUrl) {
            $this->inlinedResources = [$resource];
            return $dataUrl;
        }
        $params['src'] = $absolute->toString();
        return $this->makeSignedUrl($params);
    }
    /**
     * @param $styleContent
     * @return string
     */
    public function rewriteStyle($styleContent)
    {
        $allInlined = [];
        $result = preg_replace_callback('~
                (\\b (?: image | background ):)
                ([^;}]*)
            ~xiS', function ($match) use(&$allInlined) {
            return $match[1] . $this->rewriteStyleRule($match[2], $allInlined);
        }, $styleContent);
        $this->inlinedResources = array_values($allInlined);
        return $result;
    }
    private function rewriteStyleRule($ruleContent, &$allInlined)
    {
        return preg_replace_callback('~
                ( \\b url \\( [\'"]? )
                ( [^\'")] ++ )
            ~xiS', function ($match) use(&$allInlined) {
            $url = $match[1] . $this->rewriteUrl($match[2]);
            if (!empty($this->inlinedResources)) {
                $inlined = $this->inlinedResources[0];
                $allInlined[$inlined->getUrl()->toString()] = $inlined;
            }
            return $url;
        }, $ruleContent);
    }
    /**
     * @return Resource[]
     */
    public function getInlinedResources()
    {
        return $this->inlinedResources;
    }
    /**
     * @return string
     */
    public function getCacheSalt()
    {
        $parts = array_merge([$this->signature->getCacheSalt(), $this->baseUrl->toString(), $this->serviceUrl->toString(), $this->inliningManager->getMaxImageInliningSize(), '20180413'], array_keys($this->whitelist), array_values($this->whitelist));
        return join('-', $parts);
    }
    /**
     * @param string $url
     * @param URL|null $baseUrl
     * @return URL
     */
    private function makeURLAbsoluteToBase($url, \Kibo\Phast\ValueObjects\URL $baseUrl = null)
    {
        $url = trim($url);
        if (!$url || substr($url, 0, 5) === 'data:') {
            return null;
        }
        $this->logger()->info('Rewriting img {url}', ['url' => $url]);
        $baseUrl = is_null($baseUrl) ? $this->baseUrl : $baseUrl;
        return \Kibo\Phast\ValueObjects\URL::fromString($url)->withBase($baseUrl);
    }
    /**
     * @param string $url
     * @return bool
     */
    private function shouldRewriteUrl($url)
    {
        if (!$url) {
            return false;
        }
        foreach ($this->whitelist as $pattern) {
            if (preg_match($pattern, $url)) {
                return true;
            }
        }
        $urlObject = \Kibo\Phast\ValueObjects\URL::fromString($url);
        if (preg_match('~\\.(jpe?g|gif|png)$~i', $urlObject->getPath()) && $this->retriever->getCacheSalt($urlObject)) {
            return true;
        }
        return false;
    }
    /**
     * @param array $params
     * @return string
     */
    private function makeSignedUrl(array $params)
    {
        $params['cacheMarker'] = $this->retriever->getCacheSalt(\Kibo\Phast\ValueObjects\URL::fromString($params['src']));
        return (new \Kibo\Phast\Services\ServiceRequest())->withParams($params)->withUrl($this->serviceUrl)->sign($this->signature)->serialize();
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService\Tags;

class Filter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter, \Kibo\Phast\Filters\HTML\AMPCompatibleFilter
{
    const IMG_SRC_ATTR_PATTERN = '~^(|data-(|lazy-|wood-))src$~i';
    const IMG_SRCSET_ATTR_PATTERN = '~^(|data-(|lazy-|wood-))srcset$~i';
    /**
     * @var ImageURLRewriter
     */
    private $rewriter;
    private $inPictureTag = false;
    private $inBody = false;
    private $imagePathPattern;
    /**
     * Filter constructor.
     * @param ImageURLRewriter $rewriter
     */
    public function __construct(\Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriter $rewriter)
    {
        $this->rewriter = $rewriter;
        $this->imagePathPattern = $this->makeImagePathPattern();
    }
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        foreach ($elements as $element) {
            if ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag) {
                $this->handleTag($element, $context);
            } elseif ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\ClosingTag) {
                $this->handleClosingTag($element);
            }
            (yield $element);
        }
    }
    private function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        $isImage = false;
        if ($tag->getTagName() == 'img' || $this->inPictureTag && $tag->getTagName() == 'source' || $tag->getTagName() == 'amp-img') {
            $isImage = true;
        } elseif ($tag->getTagName() == 'picture') {
            $this->inPictureTag = true;
        } elseif ($tag->getTagName() == 'video' || $tag->getTagName() == 'audio') {
            $this->inPictureTag = false;
        } elseif ($tag->getTagName() == 'body') {
            $this->inBody = true;
        } elseif ($tag->getTagName() == 'meta') {
            return;
        }
        foreach ($tag->getAttributes() as $k => $v) {
            if (!$v) {
                continue;
            }
            if ($isImage && preg_match(self::IMG_SRC_ATTR_PATTERN, $k)) {
                $this->rewriteSrc($tag, $context, $k);
            } elseif ($isImage && preg_match(self::IMG_SRCSET_ATTR_PATTERN, $k)) {
                $this->rewriteSrcset($tag, $context, $k);
            } elseif ($this->inBody && preg_match($this->imagePathPattern, parse_url($v, PHP_URL_PATH))) {
                $this->rewriteArbitraryAttribute($tag, $context, $k);
            }
        }
    }
    private function makeImagePathPattern()
    {
        $pieces = [];
        foreach (\Kibo\Phast\ValueObjects\Resource::EXTENSION_TO_MIME_TYPE as $ext => $mime) {
            if (strpos($mime, 'image/') === 0) {
                $pieces[] = preg_quote($ext, '~');
            }
        }
        return '~\\.(?:' . implode('|', $pieces) . ')$~';
    }
    private function handleClosingTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\ClosingTag $closingTag)
    {
        if ($closingTag->getTagName() == 'picture') {
            $this->inPictureTag = false;
        }
    }
    private function rewriteSrc(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $img, \Kibo\Phast\Filters\HTML\HTMLPageContext $context, $attribute)
    {
        $url = $img->getAttribute($attribute);
        $params = [];
        foreach (['width', 'height'] as $attr) {
            $value = $img->getAttribute($attr);
            if (preg_match('/^[1-9][0-9]*$/', $value)) {
                $params[$attr] = $value;
            }
        }
        $newURL = $this->rewriter->rewriteUrl($url, $context->getBaseUrl(), $params);
        $img->setAttribute($attribute, $newURL);
    }
    private function rewriteSrcset(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $img, \Kibo\Phast\Filters\HTML\HTMLPageContext $context, $attribute)
    {
        $srcset = $img->getAttribute($attribute);
        $rewritten = preg_replace_callback('/([^,\\s]+)(\\s+(?:[^,]+))?/', function ($match) use($context) {
            $url = $this->rewriter->rewriteUrl($match[1], $context->getBaseUrl());
            if (isset($match[2])) {
                return $url . $match[2];
            }
            return $url;
        }, $srcset);
        $img->setAttribute($attribute, $rewritten);
    }
    private function rewriteArbitraryAttribute(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $element, \Kibo\Phast\Filters\HTML\HTMLPageContext $context, $attribute)
    {
        $url = $element->getAttribute($attribute);
        $newUrl = $this->rewriter->rewriteUrl($url, $context->getBaseUrl(), [], true);
        $element->setAttribute($attribute, $newUrl);
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService;

class ImageInliningManagerFactory
{
    public function make(array $config)
    {
        $cache = new \Kibo\Phast\Cache\File\Cache($config['cache'], 'inline-images-1');
        return new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageInliningManager($cache, $config['images']['maxImageInliningSize']);
    }
}
namespace Kibo\Phast\Filters\HTML;

class HTMLPageContext
{
    /**
     * @var URL
     */
    private $baseUrl;
    /**
     * @var PhastJavaScript[]
     */
    private $phastJavaScripts = array();
    /**
     * HTMLPageContext constructor.
     * @param URL $baseUrl
     */
    public function __construct(\Kibo\Phast\ValueObjects\URL $baseUrl)
    {
        $this->baseUrl = $baseUrl;
    }
    /**
     * @param URL $baseUrl
     */
    public function setBaseUrl(\Kibo\Phast\ValueObjects\URL $baseUrl)
    {
        $this->baseUrl = $baseUrl;
    }
    /**
     * @return URL
     */
    public function getBaseUrl()
    {
        return $this->baseUrl;
    }
    /**
     * @param PhastJavaScript $script
     */
    public function addPhastJavascript(\Kibo\Phast\ValueObjects\PhastJavaScript $script)
    {
        $this->phastJavaScripts[] = $script;
    }
    /**
     * @return PhastJavaScript[]
     */
    public function getPhastJavaScripts()
    {
        return $this->phastJavaScripts;
    }
}
namespace Kibo\Phast\Filters\HTML\Helpers;

trait JSDetectorTrait
{
    /**
     * @param Tag $element
     * @return bool
     */
    private function isJSElement(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $element)
    {
        if (!$element->hasAttribute('type')) {
            return true;
        }
        return (bool) preg_match('~^(text|application)/javascript(;|$)~i', $element->getAttribute('type'));
    }
}
namespace Kibo\Phast\Filters\HTML;

abstract class BaseHTMLStreamFilter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter
{
    /**
     * @var HTMLPageContext
     */
    protected $context;
    /**
     * @var \Traversable
     */
    protected $elements;
    /**
     * @param Tag $tag
     * @return Element[]|\Generator
     */
    protected abstract function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag);
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        $this->context = $context;
        $this->elements = $elements;
        $this->beforeLoop();
        foreach ($this->elements as $element) {
            if ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag && $this->isTagOfInterest($element)) {
                foreach ($this->handleTag($element) as $item) {
                    (yield $item);
                }
            } else {
                (yield $element);
            }
        }
        $this->afterLoop();
    }
    /**
     * @param Tag $tag
     * @return bool
     */
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return true;
    }
    protected function beforeLoop()
    {
    }
    protected function afterLoop()
    {
    }
}
namespace Kibo\Phast\Filters\HTML\PhastScriptsCompiler;

class Filter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter
{
    /**
     * @var PhastJavaScriptCompiler
     */
    private $compiler;
    /**
     * Filter constructor.
     * @param PhastJavaScriptCompiler $compiler
     */
    public function __construct(\Kibo\Phast\Filters\HTML\PhastScriptsCompiler\PhastJavaScriptCompiler $compiler)
    {
        $this->compiler = $compiler;
    }
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        $buffered = [];
        $buffering = false;
        foreach ($elements as $element) {
            if ($this->isClosingBodyTag($element)) {
                if ($buffering) {
                    foreach ($buffered as $bufElement) {
                        (yield $bufElement);
                    }
                    $buffered = [];
                }
                $buffering = true;
            }
            if ($buffering) {
                $buffered[] = $element;
            } else {
                (yield $element);
            }
        }
        $scripts = $context->getPhastJavaScripts();
        if (!empty($scripts)) {
            (yield $this->compileScript($scripts));
        }
        foreach ($buffered as $element) {
            (yield $element);
        }
    }
    /**
     * @param PhastJavaScript[] $scripts
     * @return Tag
     */
    private function compileScript(array $scripts)
    {
        $names = array_map(function (\Kibo\Phast\ValueObjects\PhastJavaScript $script) {
            $matches = [];
            preg_match('~[^/]*?\\/?[^/]+$~', $script->getFilename(), $matches);
            return $matches[0];
        }, $scripts);
        $script = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag('script');
        $script->setAttribute('data-phast-compiled-js-names', join(',', $names));
        $compiled = $this->compiler->compileScriptsWithConfig($scripts);
        $script->setTextContent($compiled);
        return $script;
    }
    private function isClosingBodyTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Element $element)
    {
        return $element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\ClosingTag && $element->getTagName() == 'body';
    }
}
namespace Kibo\Phast\Filters\HTML\PhastScriptsCompiler;

class PhastJavaScriptCompiler
{
    /**
     * @var Cache
     */
    private $cache;
    /**
     * @var string
     */
    private $serviceUrl;
    private $serviceRequestFormat;
    /**
     * @var \stdClass
     */
    private $lastCompiledConfig;
    /**
     * PhastJavaScriptCompiler constructor.
     * @param Cache $cache
     * @param string $serviceUrl
     */
    public function __construct(\Kibo\Phast\Cache\Cache $cache, $serviceUrl, $serviceRequestFormat)
    {
        $this->cache = $cache;
        $this->serviceUrl = (new \Kibo\Phast\Services\ServiceRequest())->withUrl(\Kibo\Phast\ValueObjects\URL::fromString((string) $serviceUrl))->serialize(\Kibo\Phast\Services\ServiceRequest::FORMAT_QUERY);
        $this->serviceRequestFormat = $serviceRequestFormat;
    }
    /**
     * @return \stdClass|null
     */
    public function getLastCompiledConfig()
    {
        return $this->lastCompiledConfig;
    }
    /**
     * @param PhastJavaScript[] $scripts
     * @return string
     */
    public function compileScripts(array $scripts)
    {
        return $this->cache->get($this->getCacheKey($scripts), function () use($scripts) {
            return $this->performCompilation($scripts);
        });
    }
    /**
     * @param PhastJavaScript[] $scripts
     * @return string
     */
    public function compileScriptsWithConfig(array $scripts)
    {
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flushing early...\");o()}})};function o(){if(n===undefined){return}var t=n;n=undefined;p(t)}function p(u){var v=phast.buildServiceUrl({serviceUrl:i,pathInfo:k},\"service=bundler&\"+u.toQuery());var w=function(){console.error(\"[Phast] Request to bundler failed with status\",y.status);console.log(\"URL:\",v);u.handleError()};var x=function(){if(y.status>=200&&y.status<300){u.handleResponse(y.responseText)}else{u.handleError()}};var y=new XMLHttpRequest;y.open(\"GET\",v);y.addEventListener(\"error\",w);y.addEventListener(\"abort\",w);y.addEventListener(\"load\",x);y.send()}};phast.ResourceLoader.BundlerServiceClient.RequestsPack=function(z){var A={};this.getLength=function(){var F=0;for(var G in A){F++}return F};this.add=function(H){var I;if(H.params.token){I=\"token=\"+H.params.token}else if(H.params.ref){I=\"ref=\"+H.params.ref}else{I=\"\"}if(!A[I]){A[I]={params:H.params,requests:[H.request]}}else{A[I].requests.push(H.request)}};this.toQuery=function(){var J=[],K=[],L=\"\";B().forEach(function(M){var N,O;for(var P in A[M].params){if(P===\"cacheMarker\"){K.push(A[M].params.cacheMarker);continue}N=z[P]?z[P]:P;if(P===\"strip-imports\"){O=encodeURIComponent(N)}else if(P===\"src\"){O=encodeURIComponent(N)+\"=\"+encodeURIComponent(C(A[M].params.src,L));L=A[M].params.src}else{O=encodeURIComponent(N)+\"=\"+encodeURIComponent(A[M].params[P])}J.push(O)}});if(K.length>0){J.unshift(\"c=\"+phast.hash(K.join(\"|\"),23045))}return E(J.join(\"&\"))};function B(){return Object.keys(A).sort(function(R,S){return Q(R,S)?1:Q(S,R)?-1:0});function Q(T,U){if(typeof A[T].params.src!==\"undefined\"&&typeof A[U].params.src!==\"undefined\"){return A[T].params.src>A[U].params.src}return T>U}}function C(V,W){var X=0,Y=Math.pow(36,2)-1;while(X<W.length&&V[X]===W[X]){X++}X=Math.min(X,Y);return D(X)+\"\"+V.substr(X)}function D(Z){var \$=[\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\",\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\",\"h\",\"i\",\"j\",\"k\",\"l\",\"m\",\"n\",\"o\",\"p\",\"q\",\"r\",\"s\",\"t\",\"u\",\"v\",\"w\",\"x\",\"y\",\"z\"];var _=Z%36;var aa=Math.floor((Z-_)/36);return \$[aa]+\$[_]}function E(ba){if(!/(^|&)s=/.test(ba)){return ba}return ba.replace(/(%..)|([A-M])|([N-Z])/gi,function(ca,da,ea,fa){if(da){return ca}return String.fromCharCode(ca.charCodeAt(0)+(ea?13:-13))})}this.handleResponse=function(ga){try{var ha=JSON.parse(ga)}catch(ja){this.handleError();return}var ia=B();if(ha.length!==ia.length){console.error(\"[Phast] Requested\",ia.length,\"items from bundler, but got\",ha.length,\"response(s)\");this.handleError();return}ha.forEach(function(ka,la){if(ka.status===200){A[ia[la]].requests.forEach(function(ma){ma.success(ka.content)})}else{A[ia[la]].requests.forEach(function(na){na.error(new Error(\"Got from bundler: \"+JSON.stringify(ka)))})}})}.bind(this);this.handleError=function(){for(var oa in A){A[oa].requests.forEach(function(pa){pa.error()})}}};phast.ResourceLoader.BundlerServiceClient.RequestsPack.PackItem=function(qa,ra){this.request=qa;this.params=ra};phast.ResourceLoader.IndexedDBStorage=function(sa){var ta=phast.ResourceLoader.IndexedDBStorage;var ua=ta.logPrefix;var va=ta.requestToPromise;var wa;Ba();this.get=function(Ca){return xa(\"readonly\").then(function(Da){return va(Da.get(Ca)).catch(ya(\"reading from store\"))})};this.store=function(Ea){return xa(\"readwrite\").then(function(Fa){return va(Fa.put(Ea)).catch(ya(\"writing to store\"))})};this.clear=function(){return xa(\"readwrite\").then(function(Ga){return va(Ga.clear())})};this.iterateOnAll=function(Ha){return xa(\"readonly\").then(function(Ia){return za(Ha,Ia.openCursor()).catch(ya(\"iterating on all\"))})};function xa(Ja){return wa.get().then(function(Ka){try{return Ka.transaction(sa.storeName,Ja).objectStore(sa.storeName)}catch(La){console.error(ua,\"Could not open store; recreating database:\",La);Aa();throw La}})}function ya(Ma){return function(Na){console.error(ua,\"Error \"+Ma+\":\",Na);Aa();throw Na}}function za(Oa,Pa){return new Promise(function(Qa,Ra){Pa.onsuccess=function(Sa){var Ta=Sa.target.result;if(Ta){Oa(Ta.value);Ta.continue()}else{Qa()}};Pa.onerror=Ra})}function Aa(){var Ua=wa.dropDB().then(Ba);wa={get:function(){return Promise.reject(new Error(\"Database is being dropped and recreated\"))},dropDB:function(){return Ua}}}function Ba(){wa=new phast.ResourceLoader.IndexedDBStorage.Connection(sa)}};phast.ResourceLoader.IndexedDBStorage.logPrefix=\"[Phast] Resource loader:\";phast.ResourceLoader.IndexedDBStorage.requestToPromise=function(Va){return new Promise(function(Wa,Xa){Va.onsuccess=function(){Wa(Va.result)};Va.onerror=function(){Xa(Va.error)}})};phast.ResourceLoader.IndexedDBStorage.ConnectionParams=function(){this.dbName=\"phastResourcesCache\";this.dbVersion=1;this.storeName=\"resources\"};phast.ResourceLoader.IndexedDBStorage.StoredResource=function(Ya,Za){this.token=Ya;this.content=Za};phast.ResourceLoader.IndexedDBStorage.Connection=function(\$a){var _a=phast.ResourceLoader.IndexedDBStorage.logPrefix;var ab=phast.ResourceLoader.IndexedDBStorage.requestToPromise;var bb;this.get=cb;this.dropDB=db;function cb(){if(!bb){bb=eb(\$a)}return bb}function db(){return cb().then(function(gb){console.error(_a,\"Dropping DB\");gb.close();bb=null;return ab(window.indexedDB.deleteDatabase(\$a.dbName))})}function eb(hb){if(typeof window.indexedDB===\"undefined\"){return Promise.reject(new Error(\"IndexedDB is not available\"))}var ib=window.indexedDB.open(hb.dbName,hb.dbVersion);ib.onupgradeneeded=function(){fb(ib.result,hb)};return ab(ib).then(function(jb){jb.onversionchange=function(){console.debug(_a,\"Closing DB\");jb.close();if(bb){bb=null}};return jb}).catch(function(kb){console.log(_a,\"IndexedDB cache is not available. This is usually due to using private browsing mode.\");throw kb})}function fb(lb,mb){lb.createObjectStore(mb.storeName,{keyPath:\"token\"})}};phast.ResourceLoader.StorageCache=function(nb,ob){var pb=phast.ResourceLoader.IndexedDBStorage.StoredResource;this.get=function(xb){return sb(rb(xb))};this.set=function(yb,zb){return tb(rb(yb),zb,false)};var qb=null;function rb(Ab){return JSON.stringify(Ab)}function sb(Bb){return ob.get(Bb).then(function(Cb){if(Cb){return Promise.resolve(Cb.content)}return Promise.resolve()})}function tb(Db,Eb,Fb){return wb().then(function(Gb){var Hb=Eb.length+Gb;if(Hb>nb.maxStorageSize){return Fb||Eb.length>nb.maxStorageSize?Promise.reject(new Error(\"Storage quota will be exceeded\")):ub(Db,Eb)}qb=Hb;var Ib=new pb(Db,Eb);return ob.store(Ib)})}function ub(Jb,Kb){return vb().then(function(){return tb(Jb,Kb,true)})}function vb(){return ob.clear().then(function(){qb=0})}function wb(){if(qb!==null){return Promise.resolve(qb)}var Lb=0;return ob.iterateOnAll(function(Mb){Lb+=Mb.content.length}).then(function(){qb=Lb;return Promise.resolve(qb)})}};phast.ResourceLoader.StorageCache.StorageCacheParams=function(){this.maxStorageSize=4.5*1024*1024};phast.ResourceLoader.BlackholeCache=function(){this.get=function(){return Promise.reject()};this.set=function(){return Promise.reject()}};phast.ResourceLoader.make=function(Nb,Ob,Pb){var Qb=Sb();var Rb=new phast.ResourceLoader.BundlerServiceClient(Nb,Ob,Pb);return new phast.ResourceLoader(Rb,Qb);function Sb(){var Tb=window.navigator.userAgent;if(/safari/i.test(Tb)&&!/chrome|android/i.test(Tb)){console.log(\"[Phast] Not using IndexedDB cache on Safari\");return new phast.ResourceLoader.BlackholeCache}else{var Ub=new phast.ResourceLoader.IndexedDBStorage.ConnectionParams;var Vb=new phast.ResourceLoader.IndexedDBStorage(Ub);var Wb=new phast.ResourceLoader.StorageCache.StorageCacheParams;return new phast.ResourceLoader.StorageCache(Wb,Vb)}}};\n");
        $resourcesLoader->setConfig('resourcesLoader', ['serviceUrl' => (string) $this->serviceUrl, 'shortParamsMappings' => $jsMappings, 'pathInfo' => $this->serviceRequestFormat === \Kibo\Phast\Services\ServiceRequest::FORMAT_PATH]);
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f.replace(/\\?.*\$/,\"\").replace(/\\/__p__\\.js\$/,\"\")+\"/\"+h+\".q.js\"}function appendQueryString(i,j){var k=i.indexOf(\"?\")>-1?\"&\":\"?\";return i+k+j}\n"), $resourcesLoader, \Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/PhastScriptsCompiler/phast.js', "var Promise=phast.ES6Promise;phast.ResourceLoader.instance=phast.ResourceLoader.make(phast.config.resourcesLoader.serviceUrl,phast.config.resourcesLoader.shortParamsMappings,phast.config.resourcesLoader.pathInfo);phast.forEachSelectedElement=function(a,b){Array.prototype.forEach.call(window.document.querySelectorAll(a),b)};phast.once=function(c){var d=false;return function(){if(!d){d=true;c.apply(this,Array.prototype.slice(arguments))}}};phast.on=function(e,f){return new Promise(function(g){e.addEventListener(f,g)})};phast.wait=function(h){return new Promise(function(i){setTimeout(i,h)})};phast.on(document,\"DOMContentLoaded\").then(function(){var j,k;function l(n){return n&&n.nodeType===8&&/^\\s*\\[Phast\\]/.test(n.textContent)}function m(o){while(o){if(l(o)){return o}o=o.nextSibling}return false}k=m(document.documentElement.nextSibling);if(k===false){k=m(document.body.firstChild)}if(k){j=k.textContent.replace(/^\\s+|\\s+\$/g,\"\").split(\"\\n\");console.groupCollapsed(j.shift());console.log(j.join(\"\\n\"));console.groupEnd()}});phast.on(document,\"DOMContentLoaded\").then(function(){var p=performance.timing;var q=[];q.push([\"Downloading phases:\"]);q.push([\"  Look up hostname in DNS            + %s ms\",t(p.domainLookupEnd-p.fetchStart)]);q.push([\"  Establish connection               + %s ms\",t(p.connectEnd-p.domainLookupEnd)]);q.push([\"  Send request                       + %s ms\",t(p.requestStart-p.connectEnd)]);q.push([\"  Receive first byte                 + %s ms\",t(p.responseStart-p.requestStart)]);q.push([\"  Download page                      + %s ms\",t(p.responseEnd-p.responseStart)]);q.push([\"\"]);q.push([\"Totals:\"]);q.push([\"  Time to first byte                   %s ms\",t(p.responseStart-p.fetchStart)]);q.push([\"    (since request start)              %s ms\",t(p.responseStart-p.requestStart)]);q.push([\"  Total request time                   %s ms\",t(p.responseEnd-p.fetchStart)]);q.push([\"    (since request start)              %s ms\",t(p.responseEnd-p.requestStart)]);q.push([\" \"]);var r=[];var s=[];q.forEach(function(u){r.push(u.shift());s=s.concat(u)});console.groupCollapsed(\"[Phast] Client-side performance metrics\");console.log.apply(console,[r.join(\"\\n\")].concat(s));console.groupEnd();function t(v){v=\"\"+v;while(v.length<4){v=\" \"+v}return v}});\n")], $scripts);
        $compiled = $this->compileScripts($scripts);
        return '(' . $compiled . ')(' . $this->compileConfig($scripts) . ');';
    }
    /**
     * @param PhastJavaScript[] $scripts
     * @return string
     */
    private function performCompilation(array $scripts)
    {
        $compiled = implode(',', array_map(function (\Kibo\Phast\ValueObjects\PhastJavaScript $script) {
            return $this->interpolate($script->getContents());
        }, $scripts));
        return 'function phastScripts(phast){phast.scripts=[' . $compiled . '];(phast.scripts.shift())();}';
    }
    /**
     * @param PhastJavaScript[] $scripts
     * @return string
     */
    private function compileConfig(array $scripts)
    {
        $config = new \stdClass();
        foreach ($scripts as $script) {
            if ($script->hasConfig()) {
                $config->{$script->getConfigKey()} = $script->getConfig();
            }
        }
        $this->lastCompiledConfig = $config;
        return \Kibo\Phast\Common\JSON::encode(['config' => base64_encode(\Kibo\Phast\Common\JSON::encode($config))]);
    }
    /**
     * @param string $script
     * @return string
     */
    private function interpolate($script)
    {
        return sprintf('(function(){%s})', $script);
    }
    /**
     * @param PhastJavaScript[] $scripts
     * @return string
     */
    private function getCacheKey(array $scripts)
    {
        return array_reduce($scripts, function ($carry, \Kibo\Phast\ValueObjects\PhastJavaScript $script) {
            $carry .= $script->getFilename() . '-' . $script->getCacheSalt() . "\n";
            return $carry;
        }, '');
    }
}
namespace Kibo\Phast\Filters\HTML\LazyImageLoading;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        if (!$tag->hasAttribute('loading')) {
            $tag->setAttribute('loading', 'lazy');
        }
        (yield $tag);
    }
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return $tag->getTagName() == 'img';
    }
}
namespace Kibo\Phast\Filters\HTML\ScriptsProxyService;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    use \Kibo\Phast\Filters\HTML\Helpers\JSDetectorTrait, \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var array
     */
    private $config;
    /**
     * @var ServiceSignature
     */
    private $signature;
    /**
     * @var LocalRetriever
     */
    private $retriever;
    private $tokenRefMaker;
    /**
     * @var ObjectifiedFunctions
     */
    private $functions;
    /**
     * @var bool
     */
    private $didInject = false;
    public function __construct(array $config, \Kibo\Phast\Security\ServiceSignature $signature, \Kibo\Phast\Retrievers\LocalRetriever $retriever, \Kibo\Phast\Services\Bundler\TokenRefMaker $tokenRefMaker, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->config = $config;
        $this->signature = $signature;
        $this->retriever = $retriever;
        $this->tokenRefMaker = $tokenRefMaker;
        $this->functions = is_null($functions) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $functions;
    }
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return $tag->getTagName() == 'script' && $this->isJSElement($tag);
    }
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $script)
    {
        $this->rewriteScriptSource($script);
        if (!$this->didInject) {
            $this->addScript();
            $this->didInject = true;
        }
        (yield $script);
    }
    private function rewriteScriptSource(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $element)
    {
        if (!$element->hasAttribute('src')) {
            return;
        }
        $src = trim($element->getAttribute('src'));
        $url = $this->getAbsoluteURL($src);
        $cacheMarker = $this->retriever->getCacheSalt($url);
        if (!$cacheMarker) {
            return;
        }
        $cacheMarker .= '-' . \Kibo\Phast\Filters\JavaScript\Minification\JSMinifierFilter::VERSION;
        $element->setAttribute('src', $this->makeProxiedURL($url, $cacheMarker));
        $element->setAttribute('data-phast-original-src', (string) $url);
        $element->setAttribute('data-phast-params', $this->makeServiceParams($url, $cacheMarker));
    }
    private function makeProxiedURL(\Kibo\Phast\ValueObjects\URL $url, $cacheMarker)
    {
        $params = ['service' => 'scripts', 'src' => (string) $url->withoutQuery(), 'cacheMarker' => $cacheMarker];
        return (new \Kibo\Phast\Services\ServiceRequest())->withUrl(\Kibo\Phast\ValueObjects\URL::fromString($this->config['serviceUrl']))->withParams($params)->serialize();
    }
    private function makeServiceParams(\Kibo\Phast\ValueObjects\URL $url, $cacheMarker)
    {
        return \Kibo\Phast\Services\Bundler\ServiceParams::fromArray(['src' => (string) $url->withoutQuery(), 'cacheMarker' => $cacheMarker, 'isScript' => '1'])->sign($this->signature)->replaceByTokenRef($this->tokenRefMaker)->serialize();
    }
    private function addScript()
    {
        $config = ['serviceUrl' => $this->config['serviceUrl'], 'pathInfo' => \Kibo\Phast\Services\ServiceRequest::getDefaultSerializationMode() === \Kibo\Phast\Services\ServiceRequest::FORMAT_PATH, 'urlRefreshTime' => $this->config['urlRefreshTime'], 'whitelist' => $this->config['match']];
        $script = \Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/ScriptsProxyService/rewrite-function.js', "var config=phast.config[\"script-proxy-service\"];var urlPattern=/^(https?:)?\\/\\//;var cacheMarker=Math.floor((new Date).getTime()/1e3/config.urlRefreshTime);var whitelist=compileWhitelistPatterns(config.whitelist);phast.scripts.push(function(){overrideDOMMethod(\"appendChild\");overrideDOMMethod(\"insertBefore\")});function compileWhitelistPatterns(a){var b=/^(.)(.*)\\1([a-z]*)\$/i;var c=[];a.forEach(function(d){var e=b.exec(d);if(!e){window.console&&window.console.log(\"Phast: Not a pattern:\",d);return}try{c.push(new RegExp(e[2],e[3]))}catch(f){window.console&&window.console.log(\"Phast: Failed to compile pattern:\",d)}});return c}function checkWhitelist(g){for(var h=0;h<whitelist.length;h++){if(whitelist[h].exec(g)){return true}}return false}function overrideDOMMethod(i){var j=Element.prototype[i];var k=function(){var l=processNode(arguments[0]);var m=j.apply(this,arguments);l();return m};Element.prototype[i]=k;window.addEventListener(\"load\",function(){if(Element.prototype[i]===k){delete Element.prototype[i]}})}function processNode(n){if(!n||n.nodeType!==Node.ELEMENT_NODE||n.tagName!==\"SCRIPT\"||!urlPattern.test(n.src)||n.src.substr(0,config.serviceUrl.length)===config.serviceUrl||!checkWhitelist(n.src)){return function(){}}var o=n.src;n.src=phast.buildServiceUrl(config,{service:\"scripts\",src:o,cacheMarker:cacheMarker});return function(){n.src=o}}\n");
        $script->setConfig('script-proxy-service', $config);
        $this->context->addPhastJavaScript($script);
    }
    private function getAbsoluteURL($url)
    {
        return \Kibo\Phast\ValueObjects\URL::fromString($url)->withBase($this->context->getBaseUrl());
    }
}
namespace Kibo\Phast\Filters\HTML\BaseURLSetter;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return $tag->getTagName() == 'base' && $tag->hasAttribute('href');
    }
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        $base = \Kibo\Phast\ValueObjects\URL::fromString($tag->getAttribute('href'));
        $current = $this->context->getBaseUrl();
        $this->context->setBaseUrl($base->withBase($current));
        (yield $tag);
    }
}
namespace Kibo\Phast\Filters\HTML\CSSInlining;

class OptimizerFactory
{
    /**
     * @var Cache
     */
    private $cache;
    public function __construct(array $config)
    {
        $this->cache = new \Kibo\Phast\Cache\File\Cache($config['cache'], 'css-optimizitor');
    }
    /**
     * @param \Traversable $elements
     * @return Optimizer
     */
    public function makeForElements(\Traversable $elements)
    {
        return new \Kibo\Phast\Filters\HTML\CSSInlining\Optimizer($elements, $this->cache);
    }
}
namespace Kibo\Phast\Filters\HTML\CSSInlining;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    const CSS_IMPORTS_REGEXP = '~
        @import \\s++
        ( url \\( )?+                # url() is optional
        ( (?(1) ["\']?+ | ["\'] ) ) # without url() a quote is necessary
        \\s*+ (?<url>[A-Za-z0-9_/.:?&=+%,-]++) \\s*+
        \\2                          # match ending quote
        (?(1)\\))                    # match closing paren if url( was used
        \\s*+ ;
    ~xi';
    /**
     * @var ServiceSignature
     */
    private $signature;
    /**
     * @var int
     */
    private $maxInlineDepth = 2;
    /**
     * @var URL
     */
    private $baseURL;
    /**
     * @var string[]
     */
    private $whitelist = array();
    /**
     * @var string
     */
    private $serviceUrl;
    /**
     * @var int
     */
    private $optimizerSizeDiffThreshold;
    /**
     * @var Retriever
     */
    private $localRetriever;
    /**
     * @var Retriever
     */
    private $retriever;
    /**
     * @var OptimizerFactory
     */
    private $optimizerFactory;
    /**
     * @var ServiceFilter
     */
    private $cssFilter;
    /**
     * @var Optimizer
     */
    private $optimizer;
    /**
     * @var TokenRefMaker
     */
    private $tokenRefMaker;
    /**
     * @var string[]
     */
    private $cacheMarkers = array();
    public function __construct(\Kibo\Phast\Security\ServiceSignature $signature, \Kibo\Phast\ValueObjects\URL $baseURL, array $config, \Kibo\Phast\Retrievers\Retriever $localRetriever, \Kibo\Phast\Retrievers\Retriever $retriever, \Kibo\Phast\Filters\HTML\CSSInlining\OptimizerFactory $optimizerFactory, \Kibo\Phast\Services\ServiceFilter $cssFilter, \Kibo\Phast\Services\Bundler\TokenRefMaker $tokenRefMaker)
    {
        $this->signature = $signature;
        $this->baseURL = $baseURL;
        $this->serviceUrl = \Kibo\Phast\ValueObjects\URL::fromString((string) $config['serviceUrl']);
        $this->optimizerSizeDiffThreshold = (int) $config['optimizerSizeDiffThreshold'];
        $this->localRetriever = $localRetriever;
        $this->retriever = $retriever;
        $this->optimizerFactory = $optimizerFactory;
        $this->cssFilter = $cssFilter;
        $this->tokenRefMaker = $tokenRefMaker;
        foreach ($config['whitelist'] as $key => $value) {
            if (!is_array($value)) {
                $this->whitelist[$value] = ['ieCompatible' => true];
                $key = $value;
            } else {
                $this->whitelist[$key] = $value;
            }
        }
    }
    protected function beforeLoop()
    {
        $this->elements = iterator_to_array($this->elements);
        $this->optimizer = $this->optimizerFactory->makeForElements(new \ArrayIterator($this->elements));
    }
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return $tag->getTagName() == 'style' || $tag->getTagName() == 'link' && $tag->getAttribute('rel') == 'stylesheet' && $tag->hasAttribute('href');
    }
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        if ($tag->getTagName() == 'link') {
            return $this->inlineLink($tag, $this->context->getBaseUrl());
        }
        return $this->inlineStyle($tag);
    }
    protected function afterLoop()
    {
        $this->addIEFallbackScript();
        $this->addInlinedRetrieverScript();
    }
    private function inlineLink(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $link, \Kibo\Phast\ValueObjects\URL $baseUrl)
    {
        $href = trim($link->getAttribute('href'));
        if (trim($href, '/') == '') {
            return [$link];
        }
        $location = \Kibo\Phast\ValueObjects\URL::fromString($href)->withBase($baseUrl);
        if (!$this->findInWhitelist($location) && !$this->localRetriever->getCacheSalt($location)) {
            return [$link];
        }
        $media = $link->getAttribute('media');
        if (preg_match('~^\\s*(this\\.)?media\\s*=\\s*(?<q>[\'"])(?<m>((?!\\k<q>).)+?)\\k<q>\\s*(;|$)~', $link->getAttribute('onload'), $match)) {
            $media = $match['m'];
        }
        $elements = $this->inlineURL($location, $media);
        return is_null($elements) ? [$link] : $elements;
    }
    private function inlineStyle(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $style)
    {
        $processed = $this->cssFilter->apply(\Kibo\Phast\ValueObjects\Resource::makeWithContent($this->baseURL, $style->textContent), [])->getContent();
        $elements = $this->inlineCSS($this->baseURL, $processed, $style->getAttribute('media'), false);
        if (($id = $style->getAttribute('id')) != '') {
            if (sizeof($elements) == 1) {
                $elements[0]->setAttribute('id', $id);
            } else {
                foreach ($elements as $element) {
                    $element->setAttribute('data-phast-original-id', $id);
                }
            }
        }
        return $elements;
    }
    private function findInWhitelist(\Kibo\Phast\ValueObjects\URL $url)
    {
        $stringUrl = (string) $url;
        foreach ($this->whitelist as $pattern => $settings) {
            if (preg_match($pattern, $stringUrl)) {
                return $settings;
            }
        }
        return false;
    }
    /**
     * @param URL $url
     * @param string $media
     * @param boolean $ieCompatible
     * @param int $currentLevel
     * @param string[] $seen
     * @return Tag[]|null
     * @throws \Kibo\Phast\Exceptions\ItemNotFoundException
     */
    private function inlineURL(\Kibo\Phast\ValueObjects\URL $url, $media, $ieCompatible = true, $currentLevel = 0, $seen = array())
    {
        $whitelistEntry = $this->findInWhitelist($url);
        if (!$whitelistEntry) {
            $whitelistEntry = !!$this->localRetriever->getCacheSalt($url);
        }
        if (!$whitelistEntry) {
            $this->logger()->info('Not inlining {url}. Not in whitelist', ['url' => $url]);
            return [$this->makeLink($url, $media)];
        }
        if (isset($whitelistEntry['ieCompatible']) && !$whitelistEntry['ieCompatible']) {
            $ieFallbackUrl = $ieCompatible ? $url : null;
            $ieCompatible = false;
        } else {
            $ieFallbackUrl = null;
        }
        if (in_array($url, $seen)) {
            return [];
        }
        if ($currentLevel > $this->maxInlineDepth) {
            return $this->addIEFallback($ieFallbackUrl, [$this->makeLink($url, $media)]);
        }
        $seen[] = $url;
        $this->logger()->info('Inlining {url}.', ['url' => (string) $url]);
        $content = $this->retriever->retrieve($url);
        if ($content === false) {
            return $this->addIEFallback($ieFallbackUrl, [$this->makeServiceLink($url, $media)]);
        }
        $content = $this->cssFilter->apply(\Kibo\Phast\ValueObjects\Resource::makeWithContent($url, $content), [])->getContent();
        $this->cacheMarkers[$url->toString()] = \Kibo\Phast\Common\Base64url::shortHash(implode("\0", [$this->retriever->getCacheSalt($url), $content]));
        $optimized = $this->optimizer->optimizeCSS($content);
        if ($optimized === null) {
            $this->logger()->error('CSS optimizer failed for {url}', ['url' => (string) $url]);
            return null;
        }
        $isOptimized = false;
        if (strlen($content) - strlen($optimized) > $this->optimizerSizeDiffThreshold) {
            $content = $optimized;
            $isOptimized = true;
        }
        $elements = $this->inlineCSS($url, $content, $media, $isOptimized, $ieCompatible, $currentLevel, $seen);
        $this->addIEFallback($ieFallbackUrl, $elements);
        return $elements;
    }
    private function inlineCSS(\Kibo\Phast\ValueObjects\URL $url, $content, $media, $optimized, $ieCompatible = true, $currentLevel = 0, $seen = array())
    {
        $urlMatches = $this->getImportedURLs($content);
        $elements = [];
        foreach ($urlMatches as $match) {
            $matchedUrl = \Kibo\Phast\ValueObjects\URL::fromString($match['url'])->withBase($url);
            $replacement = $this->inlineURL($matchedUrl, $media, $ieCompatible, $currentLevel + 1, $seen);
            if ($replacement !== null) {
                $content = str_replace($match[0], '', $content);
                $elements = array_merge($elements, $replacement);
            }
        }
        $elements[] = $this->makeStyle($url, $content, $media, $optimized);
        return $elements;
    }
    private function addIEFallback(\Kibo\Phast\ValueObjects\URL $fallbackUrl = null, array $elements = null)
    {
        if ($fallbackUrl === null || !$elements) {
            return $elements;
        }
        foreach ($elements as $element) {
            $element->setAttribute('data-phast-nested-inlined', '');
        }
        $element->setAttribute('data-phast-ie-fallback-url', (string) $fallbackUrl);
        $element->removeAttribute('data-phast-nested-inlined');
        $this->logger()->info('Set {url} as IE fallback URL', ['url' => (string) $fallbackUrl]);
        return $elements;
    }
    private function addIEFallbackScript()
    {
        $this->logger()->info('Adding IE fallback script');
        $this->context->addPhastJavaScript(\Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/CSSInlining/ie-fallback.js', "(function(){var a=window.navigator.userAgent;if(a.indexOf(\"MSIE \")===-1&&a.indexOf(\"Trident/\")===-1){return}Array.prototype.forEach.call(document.querySelectorAll(\"style[data-phast-ie-fallback-url]\"),function(b){var c=document.createElement(\"link\");if(b.hasAttribute(\"media\")){c.setAttribute(\"media\",b.getAttribute(\"media\"))}c.setAttribute(\"rel\",\"stylesheet\");c.setAttribute(\"href\",b.getAttribute(\"data-phast-ie-fallback-url\"));b.parentNode.insertBefore(c,b);b.parentNode.removeChild(b)});Array.prototype.forEach.call(document.querySelectorAll(\"style[data-phast-nested-inlined]\"),function(d){d.parentNode.removeChild(d)})})();\n"));
    }
    private function addInlinedRetrieverScript()
    {
        $this->logger()->info('Adding inlined retriever script');
        $this->context->addPhastJavaScript(\Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/CSSInlining/inlined-css-retriever.js', "phast.stylesLoading=0;var resourceLoader=phast.ResourceLoader.instance;phast.forEachSelectedElement(\"style[data-phast-params]\",function(a){var b=a.getAttribute(\"data-phast-params\");var c=phast.ResourceLoader.RequestParams.fromString(b);phast.stylesLoading++;resourceLoader.get(c).then(function(d){a.textContent=d;a.removeAttribute(\"data-phast-params\")}).catch(function(e){console.warn(\"[Phast] Failed to load CSS\",c,e);var f=a.getAttribute(\"data-phast-original-src\");if(!f){console.error(\"[Phast] No data-phast-original-src on <style>!\",a);return}console.info(\"[Phast] Falling back to <link> element for\",f);var g=document.createElement(\"link\");g.href=f;g.media=a.media;g.rel=\"stylesheet\";g.addEventListener(\"load\",function(){if(a.parentNode){a.parentNode.removeChild(a)}});a.parentNode.insertBefore(g,a.nextSibling)}).finally(function(){phast.stylesLoading--;if(phast.stylesLoading===0&&phast.onStylesLoaded){phast.onStylesLoaded()}})});(function(){var h=[];phast.forEachSelectedElement(\"style[data-phast-original-id]\",function(i){var j=i.getAttribute(\"data-phast-original-id\");if(h[j]){return}h[j]=true;console.warn(\"[Phast] The style element with id\",j,\"has been split into multiple style tags due to @import statements and the id attribute has been removed. Normally, this does not cause any issues.\")})})();\n"));
    }
    private function getImportedURLs($cssContent)
    {
        preg_match_all(self::CSS_IMPORTS_REGEXP, $cssContent, $matches, PREG_SET_ORDER);
        return $matches;
    }
    private function makeStyle(\Kibo\Phast\ValueObjects\URL $url, $content, $media, $optimized, $stripImports = true)
    {
        $style = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag('style');
        if ($media !== '' && $media !== 'all') {
            $style->setAttribute('media', $media);
        }
        if ($optimized) {
            $style->setAttribute('data-phast-original-src', $url->toString());
            $style->setAttribute('data-phast-params', $this->makeServiceParams($url, $stripImports));
        }
        $content = preg_replace('~(</)(style)~i', '$1 $2', $content);
        $style->setTextContent($content);
        return $style;
    }
    private function makeLink(\Kibo\Phast\ValueObjects\URL $url, $media)
    {
        $link = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag('link', ['rel' => 'stylesheet', 'href' => (string) $url]);
        if ($media !== '') {
            $link->setAttribute('media', $media);
        }
        return $link;
    }
    private function makeServiceLink(\Kibo\Phast\ValueObjects\URL $location, $media)
    {
        $url = $this->makeServiceURL($location);
        return $this->makeLink(\Kibo\Phast\ValueObjects\URL::fromString($url), $media);
    }
    protected function makeServiceParams(\Kibo\Phast\ValueObjects\URL $originalLocation, $stripImports = false)
    {
        if (isset($this->cacheMarkers[$originalLocation->toString()])) {
            $cacheMarker = $this->cacheMarkers[$originalLocation->toString()];
        } else {
            $cacheMarker = $this->retriever->getCacheSalt($originalLocation);
        }
        $src = $originalLocation;
        if ($this->localRetriever->getCacheSalt($src)) {
            $src = $originalLocation->withoutQuery();
        }
        $params = ['src' => (string) $src, 'cacheMarker' => $cacheMarker];
        if ($stripImports) {
            $params['strip-imports'] = 1;
        }
        return \Kibo\Phast\Services\Bundler\ServiceParams::fromArray($params)->sign($this->signature)->replaceByTokenRef($this->tokenRefMaker)->serialize();
    }
    protected function makeServiceURL(\Kibo\Phast\ValueObjects\URL $originalLocation)
    {
        $params = ['service' => 'css', 'src' => (string) $originalLocation, 'cacheMarker' => $this->retriever->getCacheSalt($originalLocation)];
        return (new \Kibo\Phast\Services\ServiceRequest())->withUrl($this->serviceUrl)->withParams($params)->sign($this->signature)->serialize();
    }
}
namespace Kibo\Phast\Filters\HTML\CSSInlining;

class Optimizer
{
    private $classNamePattern = '-?[_a-zA-Z]++[_a-zA-Z0-9-]*+';
    /**
     * @var array
     */
    private $usedClasses;
    /**
     * @var Cache
     */
    private $cache;
    public function __construct(\Traversable $elements, \Kibo\Phast\Cache\Cache $cache)
    {
        $this->usedClasses = $this->getUsedClasses($elements);
        $this->cache = $cache;
    }
    public function optimizeCSS($css)
    {
        $stylesheet = $this->cache->get(md5($css), function () use($css) {
            return $this->parseCSS($css);
        });
        if ($stylesheet === null) {
            return;
        }
        $output = '';
        $selectors = null;
        foreach ($stylesheet as $element) {
            if (is_array($element)) {
                if ($selectors === null) {
                    $selectors = [];
                }
                foreach ($element as $i => $class) {
                    if ($i !== 0 && !isset($this->usedClasses[$class])) {
                        continue 2;
                    }
                }
                $selectors[] = $element[0];
            } elseif ($selectors !== null) {
                if (isset($selectors[0])) {
                    $output .= implode(',', $selectors) . $element;
                }
                $selectors = null;
            } else {
                $output .= $element;
            }
        }
        $output = $this->removeEmptyMediaQueries($output);
        return trim($output);
    }
    /**
     * Parse a stylesheet into an array of segments
     *
     * Each string segment is preceded by zero or more arrays encoding selectors
     * parsed by parseSelector (see below).
     *
     * @param $css
     * @return array|void
     */
    private function parseCSS($css)
    {
        $re_simple_selector_chars = "[A-Z0-9_.#*:>+\\~\\s-]";
        $re_selector = "(?: {$re_simple_selector_chars} | \\[[a-z]++\\] )++";
        $re_rule = "~\n            (?<= ^ | [;{}] ) \\s*+\n            ( (?: {$re_selector} , )*+ {$re_selector} )\n            ( { [^}]*+ } )\n        ~xi";
        if (preg_match_all($re_rule, $css, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE) === false) {
            // This is an error condition
            return;
        }
        $offset = 0;
        $stylesheet = [];
        foreach ($matches as $match) {
            $selectors = $this->parseSelectors($match[1][0]);
            if ($selectors === null) {
                continue;
            }
            if ($match[0][1] > $offset) {
                $stylesheet[] = substr($css, $offset, $match[0][1] - $offset);
            }
            foreach ($selectors as $selector) {
                $stylesheet[] = $selector;
            }
            $stylesheet[] = $match[2][0];
            $offset = $match[0][1] + strlen($match[0][0]);
        }
        if ($offset < strlen($css)) {
            $stylesheet[] = substr($css, $offset);
        }
        return $stylesheet;
    }
    /**
     * Parse the selector part of a CSS rule into an array of selectors.
     *
     * Each selector will be an array with at offset 0, the string contents of
     * the selector. The rest of the array will be the class names (if any) that
     * must be present in the document for this selector to match.
     *
     * Null is returned if none of the selectors use classes, and can therefore
     * not be optimized.
     *
     * @param string $selectors
     * @return array|void
     */
    private function parseSelectors($selectors)
    {
        $newSelectors = [];
        $anyClasses = false;
        foreach (explode(',', $selectors) as $selector) {
            $classes = [$selector];
            if (preg_match_all("~\\.({$this->classNamePattern})~", $selector, $matches)) {
                foreach ($matches[1] as $class) {
                    $classes[] = $class;
                    $anyClasses = true;
                }
            }
            $newSelectors[] = $classes;
        }
        if (!$anyClasses) {
            return;
        }
        return $newSelectors;
    }
    private function getUsedClasses(\Traversable $elements)
    {
        $classes = [];
        /** @var Tag $tag */
        foreach ($elements as $tag) {
            if (!$tag instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag) {
                continue;
            }
            foreach (preg_split('/\\s+/', $tag->getAttribute('class')) as $cls) {
                if ($cls != '' && !isset($classes[$cls]) && preg_match("/^{$this->classNamePattern}\$/", $cls)) {
                    $classes[$cls] = true;
                }
            }
        }
        return $classes;
    }
    private function removeEmptyMediaQueries($css)
    {
        return preg_replace('~@media\\s++[A-Z0-9():,\\s-]++\\s*+{}~i', '', $css);
    }
}
namespace Kibo\Phast\Filters\HTML\Minify;

class Filter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter
{
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        $inTags = ['pre' => 0, 'textarea' => 0];
        foreach ($elements as $element) {
            if ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag && isset($inTags[$element->getTagName()])) {
                $inTags[$element->getTagName()]++;
            } elseif ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\ClosingTag && !empty($inTags[$element->getTagName()])) {
                $inTags[$element->getTagName()]--;
            } elseif ($element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Junk && !array_sum($inTags)) {
                $element->originalString = preg_replace_callback('~\\s++~', function ($match) {
                    return strpos($match[0], "\n") === false ? ' ' : "\n";
                }, $element->originalString);
            }
            (yield $element);
        }
    }
}
namespace Kibo\Phast\Filters\HTML\DelayedIFrameLoading;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    protected $addScript = false;
    private $ignoredUrlPattern = '~
        ^about: |
        ^data:
    ~ix';
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return $tag->getTagName() == 'iframe' && $tag->hasAttribute('src');
    }
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $iframe)
    {
        $src = trim($iframe->getAttribute('src'));
        if (preg_match($this->ignoredUrlPattern, $src)) {
            (yield $iframe);
            return;
        }
        $this->logger()->info('Delaying iframe {src}', ['src' => $src]);
        $iframe->setAttribute('data-phast-src', $src);
        $iframe->setAttribute('src', 'about:blank');
        $this->addScript = true;
        (yield $iframe);
    }
    protected function afterLoop()
    {
        if ($this->addScript) {
            $this->context->addPhastJavaScript(\Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/DelayedIFrameLoading/iframe-loader.js', "window.addEventListener(\"load\",function(){window.setTimeout(loadIframes,30)});function loadIframes(){phast.forEachSelectedElement(\"iframe[data-phast-src]\",function(a){var b=a.getAttribute(\"data-phast-src\");a.removeAttribute(\"data-phast-src\");if(a.getAttribute(\"src\")===\"about:blank\"){a.setAttribute(\"src\",b)}})}\n"));
        }
    }
}
namespace Kibo\Phast\Filters\HTML\Diagnostics;

class Filter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter
{
    private $serviceUrl;
    public function __construct($serviceUrl)
    {
        $this->serviceUrl = $serviceUrl;
    }
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        $url = (new \Kibo\Phast\Services\ServiceRequest())->withUrl(\Kibo\Phast\ValueObjects\URL::fromString($this->serviceUrl))->serialize();
        $script = \Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/Diagnostics/diagnostics.js', "window.addEventListener(\"load\",function(){var a=phast.config.diagnostics.serviceUrl;var b=new XMLHttpRequest;b.open(\"GET\",a);b.responseType=\"json\";b.onload=function(){var c=b.response;var d={};var e=[];c.forEach(function(g){var h=g.context.requestId;if(!d[h]){d[h]={title:g.context.service,timestamp:g.context.timestamp,errorsCnt:0,warningsCnt:0,longestPrefixLength:0,entries:[]};e.push(d[h])}if(g.level>8){d[h].errorsCnt++}else if(g.level===8){d[h].warningsCnt++}var i=(g.context.timestamp-d[h].timestamp).toFixed(3);if(g.context.class){i+=\" \"+g.context.class}if(g.context.class&&g.context.method){i+=\"::\"}if(g.context.method){i+=g.context.method+\"()\"}if(g.context.line){i+=\" Line: \"+g.context.line}var j=g.message.replace(/\\{([a-z0-9_.]*)\\}/gi,function(l,m){return g.context[m]});var k;if(g.level>8){k=console.error}else if(g.level===8){k=console.warn}else if(g.level>1){k=console.info}else{k=console.log}d[h].entries.push({prefix:i,message:j,cb:k});if(i.length>d[h].longestPrefixLength){d[h].longestPrefixLength=i.length}});if(e.length===0){return}e.sort(function(n,o){return n.timestamp<o.timestamp?-1:1});var f=e[0].timestamp;console.group(\"Phast diagnostics log\");e.forEach(function(p){var q=(p.timestamp-f).toFixed(3);var r=q+\" - \"+p.title+\" (entries: \"+p.entries.length;if(p.errorsCnt>0){r+=\", errors: \"+p.errorsCnt}if(p.warningsCnt>0){r+=\", warnings: \"+p.warningsCnt}r+=\")\";console.groupCollapsed(r);p.entries.forEach(function(s){var t=s.prefix;var u=p.longestPrefixLength-t.length;for(var v=0;v<u;v++){t+=\" \"}s.cb(t+\" \"+s.message)});console.groupEnd()});console.groupEnd()};b.send()});\n");
        $script->setConfig('diagnostics', ['serviceUrl' => $url]);
        $context->addPhastJavaScript($script);
        foreach ($elements as $element) {
            (yield $element);
        }
    }
}
namespace Kibo\Phast\Filters\HTML;

interface HTMLFilterFactory
{
    /**
     * @param array $config
     * @return HTMLStreamFilter
     */
    public function make(array $config);
}
namespace Kibo\Phast\Filters\Image;

interface ImageFilter
{
    /**
     * @param array $request
     * @return string
     */
    public function getCacheSalt(array $request);
    /**
     * @param Image $image
     * @param array $request
     * @return Image
     */
    public function transformImage(\Kibo\Phast\Filters\Image\Image $image, array $request);
}
namespace Kibo\Phast\Filters\Image;

interface ImageFilterFactory
{
    /**
     * @param array $config
     * @return ImageFilter
     */
    public function make(array $config);
}
namespace Kibo\Phast\Filters\Image\Composite;

class Factory
{
    /**
     * @var array
     */
    private $config;
    /**
     * CompositeImageFilterFactory constructor.
     *
     * @param array $config
     */
    public function __construct(array $config)
    {
        $this->config = $config;
    }
    public function make()
    {
        $imageFactoryClass = $this->config['images']['factory'];
        if (!class_exists($imageFactoryClass)) {
            throw new \Kibo\Phast\Exceptions\LogicException("No such class: {$imageFactoryClass}");
        }
        $composite = new \Kibo\Phast\Filters\Image\Composite\Filter(new $imageFactoryClass($this->config), (new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageInliningManagerFactory())->make($this->config));
        foreach ($this->config['images']['filters'] as $class => $config) {
            if ($config === null) {
                continue;
            }
            $package = \Kibo\Phast\Environment\Package::fromPackageClass($class);
            $filter = $package->getFactory()->make($this->config);
            $composite->addImageFilter($filter);
        }
        if ($this->config['images']['enable-cache']) {
            return new \Kibo\Phast\Filters\Service\CachingServiceFilter(new \Kibo\Phast\Cache\File\Cache($this->config['cache'], 'images-1'), $composite, new \Kibo\Phast\Retrievers\LocalRetriever($this->config['retrieverMap']));
        }
        return $composite;
    }
}
namespace Kibo\Phast\Filters\Image;

class ImageFactory
{
    private $config;
    public function __construct(array $config)
    {
        $this->config = $config;
    }
    /**
     * @param URL $url
     * @return Image
     */
    public function getForURL(\Kibo\Phast\ValueObjects\URL $url)
    {
        $retriever = new \Kibo\Phast\Retrievers\UniversalRetriever();
        $retriever->addRetriever(new \Kibo\Phast\Retrievers\LocalRetriever($this->config['retrieverMap']));
        $retriever->addRetriever((new \Kibo\Phast\Retrievers\RemoteRetrieverFactory())->make($this->config));
        return new \Kibo\Phast\Filters\Image\ImageImplementations\DefaultImage($url, $retriever);
    }
    /**
     * @param Resource $resource
     * @return Image
     */
    public function getForResource(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        return $this->getForURL($resource->getUrl());
    }
}
namespace Kibo\Phast\Filters\Image\CommonDiagnostics;

class DiagnosticsRetriever implements \Kibo\Phast\Retrievers\Retriever
{
    /**
     * @var string
     */
    private $file;
    /**
     * DiagnosticsRetriever constructor.
     * @param string $file
     */
    public function __construct($file)
    {
        $this->file = $file;
    }
    public function retrieve(\Kibo\Phast\ValueObjects\URL $url)
    {
        return file_get_contents($this->file);
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\URL $url)
    {
        return '';
    }
}
namespace Kibo\Phast\Filters\Image;

interface Image
{
    const TYPE_JPEG = 'image/jpeg';
    const TYPE_PNG = 'image/png';
    const TYPE_WEBP = 'image/webp';
    /**
     * @return integer
     */
    public function getWidth();
    /**
     * @return integer
     */
    public function getHeight();
    /**
     * @return string
     */
    public function getType();
    /**
     * @return string
     */
    public function getAsString();
    /**
     * @return integer
     */
    public function getSizeAsString();
    /**
     * @param integer $width
     * @param integer $height
     * @return Image
     */
    public function resize($width, $height);
    /**
     * @param integer $compression
     * @return Image
     */
    public function compress($compression);
    /**
     * @param string $type - One of Image::TYPE_JPEG, Image::TYPE_PNG or Image::TYPE_WEBP
     * @return Image
     */
    public function encodeTo($type);
}
namespace Kibo\Phast\Filters\Image\ImageAPIClient;

class Diagnostics implements \Kibo\Phast\Diagnostics\Diagnostics
{
    public function diagnose(array $config)
    {
        $package = \Kibo\Phast\Environment\Package::fromPackageClass(get_class($this));
        /** @var ImageFilter $filter */
        $filter = $package->getFactory()->make($config);
        $imageData = @"\211PNG\r\n\32\n\0\0\0\rIHDR\0\0\1h\0\0\1h\10\2\0\0\0\365\207\366\202\0\0\0\31tEXtSoftware\0Adobe ImageReadyq\311e<\0\0\3\$iTXtXML:com.adobe.xmp\0\0\0\0\0<?xpacket begin=\"\357\273\277\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?> <x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"Adobe XMP Core 5.3-c011 66.145661, 2012/02/06-14:56:27        \"> <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"> <rdf:Description rdf:about=\"\" xmlns:xmp=\"http://ns.adobe.com/xap/1.0/\" xmlns:xmpMM=\"http://ns.adobe.com/xap/1.0/mm/\" xmlns:stRef=\"http://ns.adobe.com/xap/1.0/sType/ResourceRef#\" xmp:CreatorTool=\"Adobe Photoshop CS6 (Macintosh)\" xmpMM:InstanceID=\"xmp.iid:0E913E46F5A911E5B20EF2CD3E8D574E\" xmpMM:DocumentID=\"xmp.did:0E913E47F5A911E5B20EF2CD3E8D574E\"> <xmpMM:DerivedFrom stRef:instanceID=\"xmp.iid:CCC4537FF57711E5B20EF2CD3E8D574E\" stRef:documentID=\"xmp.did:CCC45380F57711E5B20EF2CD3E8D574E\"/> </rdf:Description> </rdf:RDF> </x:xmpmeta> <?xpacket 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\16\0\0\304\1\0\2008\0\0\222\362\377\2\f\0\330R\221^i(\247\250\0\0\0\0IEND\256B`\202";
        if ($imageData === false) {
            throw new \Kibo\Phast\Exceptions\RuntimeException('Could not read testing image for ' . static::class . ' diagnostics.');
        }
        $image = new \Kibo\Phast\Filters\Image\ImageImplementations\DummyImage();
        $image->setImageString($imageData);
        $filter->transformImage($image, []);
    }
}
namespace Kibo\Phast\Filters\Image\ImageAPIClient;

class Factory implements \Kibo\Phast\Filters\Image\ImageFilterFactory
{
    public function make(array $config)
    {
        $signature = new \Kibo\Phast\Security\ServiceSignature(new \Kibo\Phast\Cache\File\Cache($config['cache'], 'api-service-signature'));
        return new \Kibo\Phast\Filters\Image\ImageAPIClient\Filter($config['images']['filters'][\Kibo\Phast\Filters\Image\ImageAPIClient\Filter::class], $signature, (new \Kibo\Phast\HTTP\ClientFactory())->make($config));
    }
}
namespace Kibo\Phast\Filters\Image\ImageAPIClient;

class Filter implements \Kibo\Phast\Filters\Image\ImageFilter
{
    /**
     * @var array
     */
    private $config;
    /**
     * @var ServiceSignature
     */
    private $signature;
    /**
     * @var Client
     */
    private $client;
    /**
     * Filter constructor.
     * @param array $config
     * @param ServiceSignature $signature
     * @param Client $client
     */
    public function __construct(array $config, \Kibo\Phast\Security\ServiceSignature $signature, \Kibo\Phast\HTTP\Client $client)
    {
        $this->config = $config;
        $this->signature = $signature;
        $this->client = $client;
        $this->signature->setIdentities('');
    }
    public function getCacheSalt(array $request)
    {
        $result = 'api-call';
        foreach (['width', 'height', 'preferredType'] as $key) {
            if (isset($request[$key])) {
                $result .= "-{$key}-{$request[$key]}";
            }
        }
        return $result;
    }
    public function transformImage(\Kibo\Phast\Filters\Image\Image $image, array $request)
    {
        $url = $this->getRequestURL($request);
        $headers = $this->getRequestHeaders($image, $request);
        $data = $image->getAsString();
        try {
            $response = $this->client->post(\Kibo\Phast\ValueObjects\URL::fromString($url), $data, $headers);
        } catch (\Exception $e) {
            throw new \Kibo\Phast\Filters\Image\Exceptions\ImageProcessingException('Request exception: ' . get_class($e) . ' MSG: ' . $e->getMessage() . ' Code: ' . $e->getCode());
        }
        if (strlen($response->getContent()) === 0) {
            throw new \Kibo\Phast\Filters\Image\Exceptions\ImageProcessingException('Image API response is empty');
        }
        $newImage = new \Kibo\Phast\Filters\Image\ImageImplementations\DummyImage();
        $newImage->setImageString($response->getContent());
        $headers = [];
        foreach ($response->getHeaders() as $name => $value) {
            $headers[strtolower($name)] = $value;
        }
        $newImage->setType($headers['content-type']);
        return $newImage;
    }
    private function getRequestURL(array $request)
    {
        $params = [];
        foreach (['width', 'height'] as $key) {
            if (isset($request[$key])) {
                $params[$key] = $request[$key];
            }
        }
        return (new \Kibo\Phast\Services\ServiceRequest())->withUrl(\Kibo\Phast\ValueObjects\URL::fromString($this->config['api-url']))->withParams($params)->sign($this->signature)->serialize(\Kibo\Phast\Services\ServiceRequest::FORMAT_QUERY);
    }
    private function getRequestHeaders(\Kibo\Phast\Filters\Image\Image $image, array $request)
    {
        $headers = ['X-Phast-Image-API-Client' => $this->getRequestToken(), 'Content-Type' => 'application/octet-stream'];
        if (isset($request['preferredType']) && $request['preferredType'] == \Kibo\Phast\Filters\Image\Image::TYPE_WEBP) {
            $headers['Accept'] = 'image/webp';
        }
        return $headers;
    }
    private function getRequestToken()
    {
        $token_parts = [];
        foreach (['host-name', 'request-uri', 'plugin-version'] as $key) {
            $token_parts[$key] = $this->config[$key];
        }
        $token_parts['php'] = PHP_VERSION;
        return json_encode($token_parts);
    }
}
namespace Kibo\Phast\Filters\Image\ImageImplementations;

abstract class BaseImage
{
    /**
     * @var integer
     */
    protected $width;
    /**
     * @var integer
     */
    protected $height;
    /**
     * @var integer
     */
    protected $compression;
    /**
     * @var string
     */
    protected $type;
    /**
     * @return string
     */
    public abstract function getAsString();
    /**
     * @return integer
     */
    public function getSizeAsString()
    {
        return strlen($this->getAsString());
    }
    /**
     * @param $width
     * @param $height
     * @return static
     */
    public function resize($width, $height)
    {
        $im = clone $this;
        $im->width = $width;
        $im->height = $height;
        return $im;
    }
    /**
     * @param $compression
     * @return static
     */
    public function compress($compression)
    {
        $im = clone $this;
        $im->compression = $compression;
        return $im;
    }
    /**
     * @param $type
     * @return static
     */
    public function encodeTo($type)
    {
        $im = clone $this;
        $im->type = $type;
        return $im;
    }
}
namespace Kibo\Phast\Filters\Image\ImageImplementations;

class DefaultImage extends \Kibo\Phast\Filters\Image\ImageImplementations\BaseImage implements \Kibo\Phast\Filters\Image\Image
{
    /**
     * @var URL
     */
    private $imageURL;
    /**
     * @var Retriever
     */
    private $retriever;
    /**
     * @var string
     */
    private $imageString;
    /**
     * @var array
     */
    private $imageInfo;
    /**
     * @var ObjectifiedFunctions
     */
    private $funcs;
    public function __construct(\Kibo\Phast\ValueObjects\URL $imageURL, \Kibo\Phast\Retrievers\Retriever $retriever, \Kibo\Phast\Common\ObjectifiedFunctions $funcs = null)
    {
        $this->imageURL = $imageURL;
        $this->retriever = $retriever;
        $this->funcs = is_null($funcs) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $funcs;
    }
    public function getWidth()
    {
        return isset($this->width) ? $this->width : $this->getImageInfo()[0];
    }
    public function getHeight()
    {
        return isset($this->height) ? $this->height : $this->getImageInfo()[1];
    }
    public function getType()
    {
        if (isset($this->type)) {
            return $this->type;
        }
        $type = @image_type_to_mime_type($this->getImageInfo()[2]);
        if (!$type) {
            throw new \Kibo\Phast\Filters\Image\Exceptions\ImageProcessingException('Could not determine image type');
        }
        return $type;
    }
    public function getAsString()
    {
        return $this->getImageString();
    }
    private function getImageString()
    {
        if (!isset($this->imageString)) {
            $imageString = $this->retriever->retrieve($this->imageURL);
            if ($imageString === false) {
                throw new \Kibo\Phast\Exceptions\ItemNotFoundException('Could not find image: ' . $this->imageURL, 0, null, $this->imageURL);
            }
            $this->imageString = $imageString;
        }
        return $this->imageString;
    }
    private function getImageInfo()
    {
        if (!isset($this->imageInfo)) {
            if ($this->getImageString() === '') {
                throw new \Kibo\Phast\Filters\Image\Exceptions\ImageProcessingException('Image is empty');
            }
            $imageInfo = @getimagesizefromstring($this->getImageString());
            if ($imageInfo === false) {
                throw new \Kibo\Phast\Filters\Image\Exceptions\ImageProcessingException('Could not read GD image info');
            }
            $this->imageInfo = $imageInfo;
        }
        return $this->imageInfo;
    }
    protected function __clone()
    {
        throw new \Kibo\Phast\Exceptions\LogicException('No operations may be performed on DefaultImage');
    }
}
namespace Kibo\Phast\Filters\CSS\CSSMinifier;

class Factory
{
    public function make()
    {
        return new \Kibo\Phast\Filters\CSS\CSSMinifier\Filter();
    }
}
namespace Kibo\Phast\Filters\CSS\CSSURLRewriter;

class Factory
{
    public function make()
    {
        return new \Kibo\Phast\Filters\CSS\CSSURLRewriter\Filter();
    }
}
namespace Kibo\Phast\Filters\CSS\ImageURLRewriter;

class Factory
{
    public function make(array $config)
    {
        return new \Kibo\Phast\Filters\CSS\ImageURLRewriter\Filter((new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriterFactory())->make($config, \Kibo\Phast\Filters\CSS\ImageURLRewriter\Filter::class));
    }
}
namespace Kibo\Phast\Filters\CSS\Composite;

class Factory
{
    /**
     * @param array $config
     * @return Filter
     */
    public function make(array $config)
    {
        $class = \Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS\Filter::class;
        if (isset($config['documents']['filters'][$class]['serviceUrl'])) {
            $serviceUrl = $config['documents']['filters'][$class]['serviceUrl'];
        } else {
            $serviceUrl = $config['servicesUrl'] . '?service=images';
        }
        $filter = new \Kibo\Phast\Filters\CSS\Composite\Filter($serviceUrl);
        foreach (array_keys($config['styles']['filters']) as $filterClass) {
            $filter->addFilter(\Kibo\Phast\Environment\Package::fromPackageClass($filterClass)->getFactory()->make($config));
        }
        return $filter;
    }
}
namespace Kibo\Phast\Filters\CSS\FontSwap;

class Factory
{
    public function make()
    {
        return new \Kibo\Phast\Filters\CSS\FontSwap\Filter();
    }
}
namespace Kibo\Phast\Filters\CSS\ImportsStripper;

class Factory
{
    public function make()
    {
        return new \Kibo\Phast\Filters\CSS\ImportsStripper\Filter();
    }
}
namespace Kibo\Phast\Filters\Text\Decode;

class Factory
{
    public function make()
    {
        return new \Kibo\Phast\Filters\Text\Decode\Filter();
    }
}
namespace Kibo\Phast\Parsing\HTML;

class PCRETokenizer
{
    private $mainPattern = '~
        # Allow duplicate names for subpatterns
        (?J)

        (
            @@COMMENT |
            @@SCRIPT |
            @@STYLE |
            @@CLOSING_TAG |
            @@TAG
        )
    ~Xxsi';
    private $attributePattern = '~
        @attr
    ~Xxsi';
    private $subroutines = array('COMMENT' => '
            <!--.*?-->
        ', 'SCRIPT' => "\n            (?= <script[\\s>]) @@TAG\n            (?'body' .*? )\n            (?'closing_tag' </script/?+(?:\\s[^a-z>]*+)?+> )\n        ", 'STYLE' => "\n            (?= <style[\\s>]) @@TAG\n            (?'body' .*? )\n            (?'closing_tag' </style/?+(?:\\s[^a-z>]*+)?+> )\n        ", 'TAG' => "\n            < @@tag_name \\s*+ @@attrs? @tag_end\n        ", 'tag_name' => "\n            [^\\s>]++\n        ", 'attrs' => '
            (?: @attr )*+
        ', 'attr' => "\n            \\s*+\n            @@attr_name\n            (?: \\s*+ = \\s*+ @attr_value )?\n        ", 'attr_name' => "\n            [^\\s>][^\\s>=]*+\n        ", 'attr_value' => "\n            (?|\n                \"(?'attr_value'[^\"]*+)\" |\n                ' (?'attr_value' [^']*+) ' |\n                (?'attr_value' [^\\s>]*+)\n            )\n        ", 'tag_end' => "\n            \\s*+ >\n        ", 'CLOSING_TAG' => '
            </ @@tag_name [^>]*+ >
        ');
    public function __construct()
    {
        $this->mainPattern = $this->compilePattern($this->mainPattern, $this->subroutines);
        $this->attributePattern = $this->compilePattern($this->attributePattern, $this->subroutines);
    }
    public function tokenize($data)
    {
        $offset = 0;
        while (preg_match($this->mainPattern, $data, $match, PREG_OFFSET_CAPTURE, $offset)) {
            if ($match[0][1] > $offset) {
                $element = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Junk();
                $element->originalString = substr($data, $offset, $match[0][1] - $offset);
                (yield $element);
            }
            if (!empty($match['COMMENT'][0])) {
                $element = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Comment();
                $element->originalString = $match[0][0];
            } elseif (!empty($match['TAG'][0]) || !empty($match['SCRIPT'][0]) || !empty($match['STYLE'][0])) {
                $attributes = $match['attrs'][0] === '' ? [] : $this->parseAttributes($match['attrs'][0]);
                $element = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag($match['tag_name'][0], $attributes);
                $element->originalString = $match['TAG'][0];
                if (isset($match['body'][1]) && $match['body'][1] != -1) {
                    $element->setTextContent($match['body'][0]);
                    $element = $element->withClosingTag($match['closing_tag'][0]);
                }
            } elseif (!empty($match['CLOSING_TAG'][0])) {
                $element = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\ClosingTag($match['tag_name'][0]);
                $element->originalString = $match[0][0];
            } else {
                throw new \Kibo\Phast\Exceptions\RuntimeException("Unhandled match:\n" . \Kibo\Phast\Common\JSON::prettyEncode($match));
            }
            (yield $element);
            $offset = $match[0][1] + strlen($match[0][0]);
        }
        if ($offset < strlen($data) - 1) {
            $element = new \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Junk();
            $element->originalString = substr($data, $offset);
            (yield $element);
        }
    }
    private function parseAttributes($str)
    {
        $matches = $this->repeatMatch($this->attributePattern, $str);
        foreach ($matches as $match) {
            (yield $match['attr_name'][0] => isset($match['attr_value'][0]) ? html_entity_decode($match['attr_value'][0], ENT_QUOTES, 'UTF-8') : '');
        }
    }
    private function repeatMatch($pattern, $subject)
    {
        $offset = 0;
        while (preg_match($pattern, $subject, $match, PREG_OFFSET_CAPTURE, $offset)) {
            (yield $match);
            $offset = $match[0][1] + strlen($match[0][0]);
        }
        if ($offset < strlen($subject) - 1) {
            throw new \Kibo\Phast\Exceptions\RuntimeException('Unmatched part of subject: ' . substr($subject, $offset));
        }
    }
    /**
     * Replace subroutines in patterns
     */
    private function compilePattern($pattern, array $subroutines)
    {
        return preg_replace_callback('/@(@?)(\\w+)/', function ($match) use($subroutines) {
            $capture = !empty($match[1]);
            $ref = $match[2];
            if (!isset($subroutines[$ref])) {
                throw new \Kibo\Phast\Exceptions\RuntimeException("Unknown pattern '{$ref}' used, or circular reference");
            }
            $subroutine = $subroutines[$ref];
            unset($subroutines[$ref]);
            $replace = $this->compilePattern($subroutine, $subroutines);
            if ($capture) {
                $replace = "(?'{$ref}'{$replace})";
            } else {
                $replace = "(?:{$replace})";
            }
            return $replace;
        }, $pattern);
    }
}
namespace Kibo\Phast\Parsing\HTML\HTMLStreamElements;

class Element
{
    /**
     * @var string
     */
    public $originalString;
    /**
     * @param string $originalString
     */
    public function setOriginalString($originalString)
    {
        $this->originalString = $originalString;
    }
    public function __get($name)
    {
        $method = 'get' . ucfirst($name);
        if (method_exists($this, $method)) {
            return call_user_func([$this, $method]);
        }
    }
    public function __set($name, $value)
    {
        $method = 'set' . ucfirst($name);
        if (method_exists($this, $method)) {
            return call_user_func([$this, $method], $value);
        }
    }
    public function toString()
    {
        return $this->__toString();
    }
    public function __toString()
    {
        return isset($this->originalString) ? $this->originalString : '';
    }
    public function dump()
    {
        return '<' . preg_replace('~^.*\\\\~', '', get_class($this)) . ' ' . $this->dumpValue() . '>';
    }
    public function dumpValue()
    {
        return \Kibo\Phast\Common\JSON::encode($this->originalString);
    }
}
namespace Kibo\Phast\Parsing\HTML\HTMLStreamElements;

class Junk extends \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Element
{
}
namespace Kibo\Phast\Parsing\HTML\HTMLStreamElements;

class Comment extends \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Element
{
    public function isIEConditional()
    {
        return (bool) preg_match('/^<!--\\[if\\s/', $this->originalString);
    }
}
/**
 * Provide general element functions.
 */
namespace Kibo\Phast\Parsing\HTML;

/**
 * This class provides general information about HTML5 elements,
 * including syntactic and semantic issues.
 * Parsers and serializers can
 * use this class as a reference point for information about the rules
 * of various HTML5 elements.
 *
 * @todo consider using a bitmask table lookup. There is enough overlap in
 *       naming that this could significantly shrink the size and maybe make it
 *       faster. See the Go teams implementation at https://code.google.com/p/go/source/browse/html/atom.
 */
class HTMLInfo
{
    /**
     * Indicates an element is described in the specification.
     */
    const KNOWN_ELEMENT = 1;
    // From section 8.1.2: "script", "style"
    // From 8.2.5.4.7 ("in body" insertion mode): "noembed"
    // From 8.4 "style", "xmp", "iframe", "noembed", "noframes"
    /**
     * Indicates the contained text should be processed as raw text.
     */
    const TEXT_RAW = 2;
    // From section 8.1.2: "textarea", "title"
    /**
     * Indicates the contained text should be processed as RCDATA.
     */
    const TEXT_RCDATA = 4;
    /**
     * Indicates the tag cannot have content.
     */
    const VOID_TAG = 8;
    // "address", "article", "aside", "blockquote", "center", "details", "dialog", "dir", "div", "dl",
    // "fieldset", "figcaption", "figure", "footer", "header", "hgroup", "menu",
    // "nav", "ol", "p", "section", "summary", "ul"
    // "h1", "h2", "h3", "h4", "h5", "h6"
    // "pre", "listing"
    // "form"
    // "plaintext"
    /**
     * Indicates that if a previous event is for a P tag, that element
     * should be considered closed.
     */
    const AUTOCLOSE_P = 16;
    /**
     * Indicates that the text inside is plaintext (pre).
     */
    const TEXT_PLAINTEXT = 32;
    // See https://developer.mozilla.org/en-US/docs/HTML/Block-level_elements
    /**
     * Indicates that the tag is a block.
     */
    const BLOCK_TAG = 64;
    /**
     * Indicates that the tag allows only inline elements as child nodes.
     */
    const BLOCK_ONLY_INLINE = 128;
    /**
     * The HTML5 elements as defined in http://dev.w3.org/html5/markup/elements.html.
     *
     * @var array
     */
    public static $html5 = array(
        'a' => 1,
        'abbr' => 1,
        'address' => 65,
        // NORMAL | BLOCK_TAG
        'area' => 9,
        // NORMAL | VOID_TAG
        'article' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'aside' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'audio' => 65,
        // NORMAL | BLOCK_TAG
        'b' => 1,
        'base' => 9,
        // NORMAL | VOID_TAG
        'bdi' => 1,
        'bdo' => 1,
        'blockquote' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'body' => 1,
        'br' => 9,
        // NORMAL | VOID_TAG
        'button' => 1,
        'canvas' => 65,
        // NORMAL | BLOCK_TAG
        'caption' => 1,
        'cite' => 1,
        'code' => 1,
        'col' => 9,
        // NORMAL | VOID_TAG
        'colgroup' => 1,
        'command' => 9,
        // NORMAL | VOID_TAG
        // "data" => 1, // This is highly experimental and only part of the whatwg spec (not w3c). See https://developer.mozilla.org/en-US/docs/HTML/Element/data
        'datalist' => 1,
        'dd' => 65,
        // NORMAL | BLOCK_TAG
        'del' => 1,
        'details' => 17,
        // NORMAL | AUTOCLOSE_P,
        'dfn' => 1,
        'dialog' => 17,
        // NORMAL | AUTOCLOSE_P,
        'div' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'dl' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'dt' => 1,
        'em' => 1,
        'embed' => 9,
        // NORMAL | VOID_TAG
        'fieldset' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'figcaption' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'figure' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'footer' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'form' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'h1' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'h2' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'h3' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'h4' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'h5' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'h6' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'head' => 1,
        'header' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'hgroup' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'hr' => 73,
        // NORMAL | VOID_TAG
        'html' => 1,
        'i' => 1,
        'iframe' => 3,
        // NORMAL | TEXT_RAW
        'img' => 9,
        // NORMAL | VOID_TAG
        'input' => 9,
        // NORMAL | VOID_TAG
        'kbd' => 1,
        'ins' => 1,
        'keygen' => 9,
        // NORMAL | VOID_TAG
        'label' => 1,
        'legend' => 1,
        'li' => 1,
        'link' => 9,
        // NORMAL | VOID_TAG
        'map' => 1,
        'mark' => 1,
        'menu' => 17,
        // NORMAL | AUTOCLOSE_P,
        'meta' => 9,
        // NORMAL | VOID_TAG
        'meter' => 1,
        'nav' => 17,
        // NORMAL | AUTOCLOSE_P,
        'noscript' => 65,
        // NORMAL | BLOCK_TAG
        'object' => 1,
        'ol' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'optgroup' => 1,
        'option' => 1,
        'output' => 65,
        // NORMAL | BLOCK_TAG
        'p' => 209,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG | BLOCK_ONLY_INLINE
        'param' => 9,
        // NORMAL | VOID_TAG
        'pre' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'progress' => 1,
        'q' => 1,
        'rp' => 1,
        'rt' => 1,
        'ruby' => 1,
        's' => 1,
        'samp' => 1,
        'script' => 3,
        // NORMAL | TEXT_RAW
        'section' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'select' => 1,
        'small' => 1,
        'source' => 9,
        // NORMAL | VOID_TAG
        'span' => 1,
        'strong' => 1,
        'style' => 3,
        // NORMAL | TEXT_RAW
        'sub' => 1,
        'summary' => 17,
        // NORMAL | AUTOCLOSE_P,
        'sup' => 1,
        'table' => 65,
        // NORMAL | BLOCK_TAG
        'tbody' => 1,
        'td' => 1,
        'textarea' => 5,
        // NORMAL | TEXT_RCDATA
        'tfoot' => 65,
        // NORMAL | BLOCK_TAG
        'th' => 1,
        'thead' => 1,
        'time' => 1,
        'title' => 5,
        // NORMAL | TEXT_RCDATA
        'tr' => 1,
        'track' => 9,
        // NORMAL | VOID_TAG
        'u' => 1,
        'ul' => 81,
        // NORMAL | AUTOCLOSE_P | BLOCK_TAG
        'var' => 1,
        'video' => 65,
        // NORMAL | BLOCK_TAG
        'wbr' => 9,
        // NORMAL | VOID_TAG
        // Legacy?
        'basefont' => 8,
        // VOID_TAG
        'bgsound' => 8,
        // VOID_TAG
        'noframes' => 2,
        // RAW_TEXT
        'frame' => 9,
        // NORMAL | VOID_TAG
        'frameset' => 1,
        'center' => 16,
        'dir' => 16,
        'listing' => 16,
        // AUTOCLOSE_P
        'plaintext' => 48,
        // AUTOCLOSE_P | TEXT_PLAINTEXT
        'applet' => 0,
        'marquee' => 0,
        'isindex' => 8,
        // VOID_TAG
        'xmp' => 20,
        // AUTOCLOSE_P | VOID_TAG | RAW_TEXT
        'noembed' => 2,
    );
    /**
     * The MathML elements.
     * See http://www.w3.org/wiki/MathML/Elements.
     *
     * In our case we are only concerned with presentation MathML and not content
     * MathML. There is a nice list of this subset at https://developer.mozilla.org/en-US/docs/MathML/Element.
     *
     * @var array
     */
    public static $mathml = array('maction' => 1, 'maligngroup' => 1, 'malignmark' => 1, 'math' => 1, 'menclose' => 1, 'merror' => 1, 'mfenced' => 1, 'mfrac' => 1, 'mglyph' => 1, 'mi' => 1, 'mlabeledtr' => 1, 'mlongdiv' => 1, 'mmultiscripts' => 1, 'mn' => 1, 'mo' => 1, 'mover' => 1, 'mpadded' => 1, 'mphantom' => 1, 'mroot' => 1, 'mrow' => 1, 'ms' => 1, 'mscarries' => 1, 'mscarry' => 1, 'msgroup' => 1, 'msline' => 1, 'mspace' => 1, 'msqrt' => 1, 'msrow' => 1, 'mstack' => 1, 'mstyle' => 1, 'msub' => 1, 'msup' => 1, 'msubsup' => 1, 'mtable' => 1, 'mtd' => 1, 'mtext' => 1, 'mtr' => 1, 'munder' => 1, 'munderover' => 1);
    /**
     * The svg elements.
     *
     * The Mozilla documentation has a good list at https://developer.mozilla.org/en-US/docs/SVG/Element.
     * The w3c list appears to be lacking in some areas like filter effect elements.
     * That list can be found at http://www.w3.org/wiki/SVG/Elements.
     *
     * Note, FireFox appears to do a better job rendering filter effects than chrome.
     * While they are in the spec I'm not sure how widely implemented they are.
     *
     * @var array
     */
    public static $svg = array(
        'a' => 1,
        'altGlyph' => 1,
        'altGlyphDef' => 1,
        'altGlyphItem' => 1,
        'animate' => 1,
        'animateColor' => 1,
        'animateMotion' => 1,
        'animateTransform' => 1,
        'circle' => 1,
        'clipPath' => 1,
        'color-profile' => 1,
        'cursor' => 1,
        'defs' => 1,
        'desc' => 1,
        'ellipse' => 1,
        'feBlend' => 1,
        'feColorMatrix' => 1,
        'feComponentTransfer' => 1,
        'feComposite' => 1,
        'feConvolveMatrix' => 1,
        'feDiffuseLighting' => 1,
        'feDisplacementMap' => 1,
        'feDistantLight' => 1,
        'feFlood' => 1,
        'feFuncA' => 1,
        'feFuncB' => 1,
        'feFuncG' => 1,
        'feFuncR' => 1,
        'feGaussianBlur' => 1,
        'feImage' => 1,
        'feMerge' => 1,
        'feMergeNode' => 1,
        'feMorphology' => 1,
        'feOffset' => 1,
        'fePointLight' => 1,
        'feSpecularLighting' => 1,
        'feSpotLight' => 1,
        'feTile' => 1,
        'feTurbulence' => 1,
        'filter' => 1,
        'font' => 1,
        'font-face' => 1,
        'font-face-format' => 1,
        'font-face-name' => 1,
        'font-face-src' => 1,
        'font-face-uri' => 1,
        'foreignObject' => 1,
        'g' => 1,
        'glyph' => 1,
        'glyphRef' => 1,
        'hkern' => 1,
        'image' => 1,
        'line' => 1,
        'linearGradient' => 1,
        'marker' => 1,
        'mask' => 1,
        'metadata' => 1,
        'missing-glyph' => 1,
        'mpath' => 1,
        'path' => 1,
        'pattern' => 1,
        'polygon' => 1,
        'polyline' => 1,
        'radialGradient' => 1,
        'rect' => 1,
        'script' => 3,
        // NORMAL | RAW_TEXT
        'set' => 1,
        'stop' => 1,
        'style' => 3,
        // NORMAL | RAW_TEXT
        'svg' => 1,
        'switch' => 1,
        'symbol' => 1,
        'text' => 1,
        'textPath' => 1,
        'title' => 1,
        'tref' => 1,
        'tspan' => 1,
        'use' => 1,
        'view' => 1,
        'vkern' => 1,
    );
    /**
     * Some attributes in SVG are case sensetitive.
     *
     * This map contains key/value pairs with the key as the lowercase attribute
     * name and the value with the correct casing.
     */
    public static $svgCaseSensitiveAttributeMap = array('attributename' => 'attributeName', 'attributetype' => 'attributeType', 'basefrequency' => 'baseFrequency', 'baseprofile' => 'baseProfile', 'calcmode' => 'calcMode', 'clippathunits' => 'clipPathUnits', 'contentscripttype' => 'contentScriptType', 'contentstyletype' => 'contentStyleType', 'diffuseconstant' => 'diffuseConstant', 'edgemode' => 'edgeMode', 'externalresourcesrequired' => 'externalResourcesRequired', 'filterres' => 'filterRes', 'filterunits' => 'filterUnits', 'glyphref' => 'glyphRef', 'gradienttransform' => 'gradientTransform', 'gradientunits' => 'gradientUnits', 'kernelmatrix' => 'kernelMatrix', 'kernelunitlength' => 'kernelUnitLength', 'keypoints' => 'keyPoints', 'keysplines' => 'keySplines', 'keytimes' => 'keyTimes', 'lengthadjust' => 'lengthAdjust', 'limitingconeangle' => 'limitingConeAngle', 'markerheight' => 'markerHeight', 'markerunits' => 'markerUnits', 'markerwidth' => 'markerWidth', 'maskcontentunits' => 'maskContentUnits', 'maskunits' => 'maskUnits', 'numoctaves' => 'numOctaves', 'pathlength' => 'pathLength', 'patterncontentunits' => 'patternContentUnits', 'patterntransform' => 'patternTransform', 'patternunits' => 'patternUnits', 'pointsatx' => 'pointsAtX', 'pointsaty' => 'pointsAtY', 'pointsatz' => 'pointsAtZ', 'preservealpha' => 'preserveAlpha', 'preserveaspectratio' => 'preserveAspectRatio', 'primitiveunits' => 'primitiveUnits', 'refx' => 'refX', 'refy' => 'refY', 'repeatcount' => 'repeatCount', 'repeatdur' => 'repeatDur', 'requiredextensions' => 'requiredExtensions', 'requiredfeatures' => 'requiredFeatures', 'specularconstant' => 'specularConstant', 'specularexponent' => 'specularExponent', 'spreadmethod' => 'spreadMethod', 'startoffset' => 'startOffset', 'stddeviation' => 'stdDeviation', 'stitchtiles' => 'stitchTiles', 'surfacescale' => 'surfaceScale', 'systemlanguage' => 'systemLanguage', 'tablevalues' => 'tableValues', 'targetx' => 'targetX', 'targety' => 'targetY', 'textlength' => 'textLength', 'viewbox' => 'viewBox', 'viewtarget' => 'viewTarget', 'xchannelselector' => 'xChannelSelector', 'ychannelselector' => 'yChannelSelector', 'zoomandpan' => 'zoomAndPan');
    /**
     * Some SVG elements are case sensetitive.
     * This map contains these.
     *
     * The map contains key/value store of the name is lowercase as the keys and
     * the correct casing as the value.
     */
    public static $svgCaseSensitiveElementMap = array('altglyph' => 'altGlyph', 'altglyphdef' => 'altGlyphDef', 'altglyphitem' => 'altGlyphItem', 'animatecolor' => 'animateColor', 'animatemotion' => 'animateMotion', 'animatetransform' => 'animateTransform', 'clippath' => 'clipPath', 'feblend' => 'feBlend', 'fecolormatrix' => 'feColorMatrix', 'fecomponenttransfer' => 'feComponentTransfer', 'fecomposite' => 'feComposite', 'feconvolvematrix' => 'feConvolveMatrix', 'fediffuselighting' => 'feDiffuseLighting', 'fedisplacementmap' => 'feDisplacementMap', 'fedistantlight' => 'feDistantLight', 'feflood' => 'feFlood', 'fefunca' => 'feFuncA', 'fefuncb' => 'feFuncB', 'fefuncg' => 'feFuncG', 'fefuncr' => 'feFuncR', 'fegaussianblur' => 'feGaussianBlur', 'feimage' => 'feImage', 'femerge' => 'feMerge', 'femergenode' => 'feMergeNode', 'femorphology' => 'feMorphology', 'feoffset' => 'feOffset', 'fepointlight' => 'fePointLight', 'fespecularlighting' => 'feSpecularLighting', 'fespotlight' => 'feSpotLight', 'fetile' => 'feTile', 'feturbulence' => 'feTurbulence', 'foreignobject' => 'foreignObject', 'glyphref' => 'glyphRef', 'lineargradient' => 'linearGradient', 'radialgradient' => 'radialGradient', 'textpath' => 'textPath');
    /**
     * Check whether the given element meets the given criterion.
     *
     * Example:
     *
     * Elements::isA('script', Elements::TEXT_RAW); // Returns true.
     *
     * Elements::isA('script', Elements::TEXT_RCDATA); // Returns false.
     *
     * @param string $name
     *            The element name.
     * @param int $mask
     *            One of the constants on this class.
     * @return boolean true if the element matches the mask, false otherwise.
     */
    public static function isA($name, $mask)
    {
        if (!static::isElement($name)) {
            return false;
        }
        return (static::element($name) & $mask) == $mask;
    }
    /**
     * Test if an element is a valid html5 element.
     *
     * @param string $name
     *            The name of the element.
     *
     * @return bool True if a html5 element and false otherwise.
     */
    public static function isHtml5Element($name)
    {
        // html5 element names are case insensetitive. Forcing lowercase for the check.
        // Do we need this check or will all data passed here already be lowercase?
        return isset(static::$html5[strtolower($name)]);
    }
    /**
     * Test if an element name is a valid MathML presentation element.
     *
     * @param string $name
     *            The name of the element.
     *
     * @return bool True if a MathML name and false otherwise.
     */
    public static function isMathMLElement($name)
    {
        // MathML is case-sensetitive unlike html5 elements.
        return isset(static::$mathml[$name]);
    }
    /**
     * Test if an element is a valid SVG element.
     *
     * @param string $name
     *            The name of the element.
     *
     * @return boolean True if a SVG element and false otherise.
     */
    public static function isSvgElement($name)
    {
        // SVG is case-sensetitive unlike html5 elements.
        return isset(static::$svg[$name]);
    }
    /**
     * Is an element name valid in an html5 document.
     *
     * This includes html5 elements along with other allowed embedded content
     * such as svg and mathml.
     *
     * @param string $name
     *            The name of the element.
     *
     * @return bool True if valid and false otherwise.
     */
    public static function isElement($name)
    {
        return static::isHtml5Element($name) || static::isMathMLElement($name) || static::isSvgElement($name);
    }
    /**
     * Get the element mask for the given element name.
     *
     * @param string $name
     *            The name of the element.
     *
     * @return int|bool The element mask or false if element does not exist.
     */
    public static function element($name)
    {
        if (isset(static::$html5[$name])) {
            return static::$html5[$name];
        }
        if (isset(static::$svg[$name])) {
            return static::$svg[$name];
        }
        if (isset(static::$mathml[$name])) {
            return static::$mathml[$name];
        }
        return false;
    }
    /**
     * Normalize a SVG element name to its proper case and form.
     *
     * @param string $name
     *            The name of the element.
     *
     * @return string The normalized form of the element name.
     */
    public static function normalizeSvgElement($name)
    {
        $name = strtolower($name);
        if (isset(static::$svgCaseSensitiveElementMap[$name])) {
            $name = static::$svgCaseSensitiveElementMap[$name];
        }
        return $name;
    }
    /**
     * Normalize a SVG attribute name to its proper case and form.
     *
     * @param string $name
     *            The name of the attribute.
     *
     * @return string The normalized form of the attribute name.
     */
    public static function normalizeSvgAttribute($name)
    {
        $name = strtolower($name);
        if (isset(static::$svgCaseSensitiveAttributeMap[$name])) {
            $name = static::$svgCaseSensitiveAttributeMap[$name];
        }
        return $name;
    }
    /**
     * Normalize a MathML attribute name to its proper case and form.
     *
     * Note, all MathML element names are lowercase.
     *
     * @param string $name
     *            The name of the attribute.
     *
     * @return string The normalized form of the attribute name.
     */
    public static function normalizeMathMlAttribute($name)
    {
        $name = strtolower($name);
        // Only one attribute has a mixed case form for MathML.
        if ($name == 'definitionurl') {
            $name = 'definitionURL';
        }
        return $name;
    }
}
namespace Kibo\Phast;

class PhastServices
{
    /**
     * @param callable|null $getConfig
     */
    public static function serve(callable $getConfig = null)
    {
        $httpRequest = \Kibo\Phast\HTTP\Request::fromGlobals();
        $serviceRequest = \Kibo\Phast\Services\ServiceRequest::fromHTTPRequest($httpRequest);
        $serviceParams = $serviceRequest->getParams();
        if (defined('PHAST_SERVICE')) {
            $service = PHAST_SERVICE;
        } elseif (!isset($serviceParams['service'])) {
            http_response_code(404);
            exit;
        } else {
            $service = $serviceParams['service'];
        }
        if (isset($serviceParams['src']) && !headers_sent()) {
            http_response_code(301);
            header('Location: ' . $serviceParams['src']);
            header('Cache-Control: max-age=86400');
        }
        if ($getConfig === null) {
            $config = [];
        } else {
            $config = $getConfig();
        }
        $userConfig = new \Kibo\Phast\Environment\Configuration($config);
        $runtimeConfig = \Kibo\Phast\Environment\Configuration::fromDefaults()->withUserConfiguration($userConfig)->withServiceRequest($serviceRequest)->getRuntimeConfig()->toArray();
        \Kibo\Phast\Logging\Log::init($runtimeConfig['logging'], $serviceRequest, $service);
        try {
            \Kibo\Phast\Services\ServiceRequest::setDefaultSerializationMode($runtimeConfig['serviceRequestFormat']);
            \Kibo\Phast\Logging\Log::info('Starting service');
            $response = (new \Kibo\Phast\Services\Factory())->make($service, $runtimeConfig)->serve($serviceRequest);
            \Kibo\Phast\Logging\Log::info('Service completed');
        } catch (\Kibo\Phast\Exceptions\UnauthorizedException $e) {
            \Kibo\Phast\Logging\Log::error('Unauthorized exception: {message}', ['message' => $e->getMessage()]);
            exit;
        } catch (\Kibo\Phast\Exceptions\ItemNotFoundException $e) {
            \Kibo\Phast\Logging\Log::error('Item not found: {message}', ['message' => $e->getMessage()]);
            exit;
        } catch (\Exception $e) {
            \Kibo\Phast\Logging\Log::critical('Unhandled exception: {type} Message: {message} File: {file} Line: {line}', ['type' => get_class($e), 'message' => $e->getMessage(), 'file' => $e->getFile(), 'line' => $e->getLine()]);
            exit;
        }
        header_remove('Location');
        header_remove('Cache-Control');
        self::output($httpRequest, $response, $runtimeConfig);
    }
    public static function output(\Kibo\Phast\HTTP\Request $request, \Kibo\Phast\HTTP\Response $response, array $config, \Kibo\Phast\Common\ObjectifiedFunctions $funcs = null)
    {
        if (is_null($funcs)) {
            $funcs = new \Kibo\Phast\Common\ObjectifiedFunctions();
        }
        $headers = $response->getHeaders();
        $content = $response->getContent();
        if (!self::isIterable($content)) {
            $content = [$content];
        }
        $fp = fopen('php://output', 'wb');
        $zipping = false;
        if ($response->isCompressible() && self::shouldZip($request) && !empty($config['compressServiceResponse'])) {
            $zipping = @$funcs->stream_filter_append($fp, 'zlib.deflate', STREAM_FILTER_WRITE, ['level' => 9, 'window' => 31]);
            if ($zipping) {
                $headers['Content-Encoding'] = 'gzip';
            }
        }
        $maxAge = 86400 * 365;
        $headers += ['Vary' => 'Accept-Encoding', 'Cache-Control' => 'max-age=' . $maxAge, 'Expires' => self::formatHeaderDate(time() + $maxAge), 'X-Accel-Expires' => $maxAge, 'Access-Control-Allow-Origin' => '*', 'ETag' => self::generateETag($headers, $content), 'Last-Modified' => self::formatHeaderDate(time()), 'X-Content-Type-Options' => 'nosniff', 'Content-Security-Policy' => "default-src 'none'"];
        if (is_array($content) && !$zipping) {
            $headers['Content-Length'] = (string) array_sum(array_map('strlen', $content));
        }
        $funcs->http_response_code($response->getCode());
        foreach ($headers as $name => $value) {
            $funcs->header($name . ': ' . $value);
        }
        foreach ($content as $part) {
            fwrite($fp, $part);
        }
        fclose($fp);
    }
    private static function formatHeaderDate($time)
    {
        return gmdate('D, d M Y H:i:s', $time) . ' GMT';
    }
    private static function shouldZip(\Kibo\Phast\HTTP\Request $request)
    {
        return !$request->isCloudflare() && strpos($request->getHeader('Accept-Encoding'), 'gzip') !== false;
    }
    private static function generateETag(array $headers, $content)
    {
        $headersPart = http_build_query($headers);
        $contentPart = self::isIterable($content) ? uniqid() : $content;
        return '"' . md5($headersPart . "\0" . $contentPart) . '"';
    }
    private static function isIterable($thing)
    {
        return is_array($thing) || $thing instanceof \Iterator || $thing instanceof \Generator;
    }
}
namespace Kibo\Phast\Common;

class JSON
{
    public static function encode($value)
    {
        return self::_encode($value, 0);
    }
    public static function prettyEncode($value)
    {
        return self::_encode($value, JSON_PRETTY_PRINT);
    }
    private static function _encode($value, $flags)
    {
        $flags |= JSON_UNESCAPED_SLASHES;
        if (version_compare(PHP_VERSION, '7.2.0', '<')) {
            return self::legacyEncode($value, $flags);
        }
        return json_encode($value, $flags | JSON_INVALID_UTF8_IGNORE | JSON_PARTIAL_OUTPUT_ON_ERROR);
    }
    private static function legacyEncode($value, $flags)
    {
        $result = json_encode($value, $flags);
        if ($result !== false || json_last_error() !== JSON_ERROR_UTF8) {
            return $result;
        }
        self::cleanUTF8($value);
        return json_encode($value, $flags | JSON_PARTIAL_OUTPUT_ON_ERROR);
    }
    private static function cleanUTF8(&$value)
    {
        if (is_array($value)) {
            array_walk_recursive($value, __METHOD__);
        } elseif (is_string($value)) {
            $value = preg_replace_callback('~
                    [\\x00-\\x7F]++                      # ASCII
                  | [\\xC2-\\xDF][\\x80-\\xBF]             # non-overlong 2-byte
                  |  \\xE0[\\xA0-\\xBF][\\x80-\\xBF]        # excluding overlongs
                  | [\\xE1-\\xEC\\xEE\\xEF][\\x80-\\xBF]{2}  # straight 3-byte
                  |  \\xED[\\x80-\\x9F][\\x80-\\xBF]        # excluding surrogates
                  |  \\xF0[\\x90-\\xBF][\\x80-\\xBF]{2}     # planes 1-3
                  | [\\xF1-\\xF3][\\x80-\\xBF]{3}          # planes 4-15
                  |  \\xF4[\\x80-\\x8F][\\x80-\\xBF]{2}     # plane 16
                  | (.)
                ~xs', function ($match) {
                if (isset($match[1]) && strlen($match[1])) {
                    return '';
                }
                return $match[0];
            }, $value);
        }
    }
}
namespace Kibo\Phast\Common;

class Base64url
{
    public static function encode($data)
    {
        return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
    }
    public static function decode($data)
    {
        return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
    }
    public static function shortHash($data)
    {
        return self::encode(substr(sha1($data, true), 0, 8));
    }
}
namespace Kibo\Phast\Common;

class ObjectifiedFunctions
{
    /**
     * @param string $name
     * @param array $arguments
     */
    public function __call($name, array $arguments)
    {
        if (isset($this->{$name}) && is_callable($this->{$name})) {
            $fn = $this->{$name};
            return $fn(...$arguments);
        }
        if (function_exists($name)) {
            return $name(...$arguments);
        }
        throw new \Kibo\Phast\Exceptions\UndefinedObjectifiedFunction("Undefined objectified function {$name}");
    }
}
namespace Kibo\Phast\Common;

class System
{
    private $functions;
    public function __construct(\Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        if ($functions === null) {
            $functions = new \Kibo\Phast\Common\ObjectifiedFunctions();
        }
        $this->functions = $functions;
    }
    public function getUserId()
    {
        try {
            return (int) $this->functions->posix_geteuid();
        } catch (\Kibo\Phast\Exceptions\UndefinedObjectifiedFunction $e) {
            return 0;
        }
    }
}
namespace Kibo\Phast\Common;

class OutputBufferHandler
{
    use \Kibo\Phast\Logging\LoggingTrait;
    const START_PATTERN = '~
        (
            \\s*+ <!doctype\\s++html> |
            \\s*+ <html> |
            \\s*+ <head> |
            \\s*+ <!--.*?-->
        )++
    ~xsiA';
    private $filterCb;
    /**
     * @var ?string
     */
    private $buffer = '';
    private $offset = 0;
    /**
     * @var integer
     */
    private $maxBufferSizeToApply;
    private $canceled = false;
    public function __construct($maxBufferSizeToApply, callable $filterCb)
    {
        $this->maxBufferSizeToApply = $maxBufferSizeToApply;
        $this->filterCb = $filterCb;
    }
    public function install()
    {
        $ignoreHandlers = ['default output handler', 'ob_gzhandler'];
        if (!array_diff(ob_list_handlers(), $ignoreHandlers)) {
            while (@ob_end_clean()) {
            }
        }
        ob_start([$this, 'handleChunk'], 2);
        ob_implicit_flush(1);
    }
    public function handleChunk($chunk, $phase)
    {
        if ($this->buffer === null) {
            return $chunk;
        }
        $this->buffer .= $chunk;
        if ($this->canceled) {
            return $this->stop();
        }
        if (strlen($this->buffer) > $this->maxBufferSizeToApply) {
            $this->logger()->info('Buffer exceeds max. size ({buffersize} bytes). Not applying', ['buffersize' => $this->maxBufferSizeToApply]);
            return $this->stop();
        }
        $output = '';
        if (preg_match(self::START_PATTERN, $this->buffer, $match, 0, $this->offset)) {
            $this->offset += strlen($match[0]);
            $output .= $match[0];
        }
        if ($phase & PHP_OUTPUT_HANDLER_FINAL) {
            $output .= $this->finalize();
        }
        if ($output !== '') {
            @header_remove('Content-Length');
        }
        return $output;
    }
    private function finalize()
    {
        $input = substr($this->buffer, $this->offset);
        $result = call_user_func($this->filterCb, $input, $this->buffer);
        $this->buffer = null;
        return $result;
    }
    private function stop()
    {
        $output = $this->buffer;
        $this->buffer = null;
        return $output;
    }
    public function cancel()
    {
        $this->canceled = true;
    }
}
namespace Kibo\Phast\ValueObjects;

class PhastJavaScript
{
    /**
     * @var string
     */
    private $filename;
    /**
     * @var string
     */
    private $contents;
    /**
     * @var string
     */
    private $configKey;
    /**
     * @var mixed
     */
    private $config;
    /**
     * @var ObjectifiedFunctions
     */
    private $funcs;
    /**
     * @param string $filename
     * @param string $contents
     */
    private function __construct($filename, $contents)
    {
        $this->filename = $filename;
        $this->contents = $contents;
    }
    /**
     * @param string $filename
     * @param ObjectifiedFunctions|null $funcs
     */
    public static function fromFile($filename, \Kibo\Phast\Common\ObjectifiedFunctions $funcs = null)
    {
        $funcs = $funcs ? $funcs : new \Kibo\Phast\Common\ObjectifiedFunctions();
        $contents = $funcs->file_get_contents($filename);
        if ($contents === false) {
            throw new \RuntimeException("Failed to read script: {$filename}");
        }
        $contents = (new \Kibo\Phast\Common\JSMinifier($contents))->min();
        return new self($filename, $contents);
    }
    /**
     * @param string $filename
     * @param string $contents
     */
    public static function fromString($filename, $contents)
    {
        return new self($filename, $contents);
    }
    /**
     * @return string
     */
    public function getFilename()
    {
        return $this->filename;
    }
    /**
     * @return bool|string
     */
    public function getContents()
    {
        return $this->contents;
    }
    /**
     * @return string
     */
    public function getCacheSalt()
    {
        $hash = md5($this->getContents(), true);
        return substr(preg_replace('/^[a-z0-9]/i', '', base64_encode($hash)), 0, 16);
    }
    /**
     * @param string $configKey
     * @param mixed $config
     */
    public function setConfig($configKey, $config)
    {
        $this->configKey = $configKey;
        $this->config = $config;
    }
    /**
     * @return bool
     */
    public function hasConfig()
    {
        return isset($this->configKey);
    }
    /**
     * @return string
     */
    public function getConfigKey()
    {
        return $this->configKey;
    }
    /**
     * @return mixed
     */
    public function getConfig()
    {
        return $this->config;
    }
}
namespace Kibo\Phast\ValueObjects;

class Resource
{
    const EXTENSION_TO_MIME_TYPE = array('gif' => 'image/gif', 'png' => 'image/png', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'bmp' => 'image/bmp', 'webp' => 'image/webp', 'svg' => 'image/svg+xml', 'css' => 'text/css', 'js' => 'application/javascript', 'json' => 'application/json');
    /**
     * @var URL
     */
    private $url;
    /**
     * @var Retriever
     */
    private $retriever;
    /**
     * @var string
     */
    private $content;
    /**
     * @var string
     */
    private $mimeType;
    /**
     * @var Resource[]
     */
    private $dependencies = array();
    private function __construct()
    {
    }
    public static function makeWithContent(\Kibo\Phast\ValueObjects\URL $url, $content, $mimeType = null)
    {
        $instance = new self();
        $instance->url = $url;
        $instance->mimeType = $mimeType;
        $instance->content = $content;
        return $instance;
    }
    public static function makeWithRetriever(\Kibo\Phast\ValueObjects\URL $url, \Kibo\Phast\Retrievers\Retriever $retriever, $mimeType = null)
    {
        $instance = new self();
        $instance->url = $url;
        $instance->mimeType = $mimeType;
        $instance->retriever = $retriever;
        return $instance;
    }
    /**
     * @return URL
     */
    public function getUrl()
    {
        return $this->url;
    }
    /**
     * @return string
     * @throws ItemNotFoundException
     */
    public function getContent()
    {
        if (!isset($this->content)) {
            $this->content = $this->retriever->retrieve($this->url);
            if ($this->content === false) {
                throw new \Kibo\Phast\Exceptions\ItemNotFoundException("Could not get {$this->url}");
            }
        }
        return $this->content;
    }
    /**
     * @return string|null
     */
    public function getMimeType()
    {
        if (!isset($this->mimeType)) {
            $ext = strtolower($this->url->getExtension());
            $ext2mime = self::EXTENSION_TO_MIME_TYPE;
            if (isset($ext2mime[$ext])) {
                $this->mimeType = self::EXTENSION_TO_MIME_TYPE[$ext];
            }
        }
        return $this->mimeType;
    }
    /**
     * @return bool|int
     */
    public function getSize()
    {
        if (isset($this->retriever) && method_exists($this->retriever, 'getSize')) {
            return $this->retriever->getSize($this->url);
        }
        if (isset($this->content)) {
            return strlen($this->content);
        }
        return false;
    }
    public function toDataURL()
    {
        $mime = $this->getMimeType();
        $content = $this->getContent();
        return "data:{$mime};base64," . base64_encode($content);
    }
    /**
     * @return Resource[]
     */
    public function getDependencies()
    {
        return $this->dependencies;
    }
    /**
     * @return bool|int
     */
    public function getCacheSalt()
    {
        return isset($this->retriever) ? $this->retriever->getCacheSalt($this->url) : 0;
    }
    /**
     * @param string $content
     * @param string|null $mimeType
     * @return Resource
     */
    public function withContent($content, $mimeType = null)
    {
        $new = clone $this;
        $new->content = $content;
        if (!is_null($mimeType)) {
            $new->mimeType = $mimeType;
        }
        return $new;
    }
    /**
     * @param Resource[] $dependencies
     * @return Resource
     */
    public function withDependencies(array $dependencies)
    {
        $new = clone $this;
        $new->dependencies = $dependencies;
        return $new;
    }
}
namespace Kibo\Phast\ValueObjects;

class Query implements \IteratorAggregate
{
    private $tuples = array();
    /**
     * @param array $assoc
     * @return Query
     */
    public static function fromAssoc($assoc)
    {
        $result = new static();
        foreach ($assoc as $k => $v) {
            $result->add($k, $v);
        }
        return $result;
    }
    /**
     * @param string $string
     * @return Query
     */
    public static function fromString($string)
    {
        $result = new static();
        foreach (explode('&', $string) as $piece) {
            if ($piece === '') {
                continue;
            }
            $parts = array_map('urldecode', explode('=', $piece, 2));
            $result->add($parts[0], isset($parts[1]) ? $parts[1] : '');
        }
        return $result;
    }
    public function add($key, $value)
    {
        $this->tuples[] = [(string) $key, (string) $value];
    }
    public function get($key, $default = null)
    {
        foreach ($this->tuples as $tuple) {
            if ($tuple[0] === (string) $key) {
                return $tuple[1];
            }
        }
        return $default;
    }
    public function delete($key)
    {
        $this->tuples = array_filter($this->tuples, function ($tuple) use($key) {
            return $tuple[0] !== (string) $key;
        });
    }
    public function set($key, $value)
    {
        $this->delete($key);
        $this->add($key, $value);
    }
    public function has($key)
    {
        foreach ($this->tuples as $tuple) {
            if ($tuple[0] === (string) $key) {
                return true;
            }
        }
        return false;
    }
    public function update(\Kibo\Phast\ValueObjects\Query $source)
    {
        foreach ($source as $key => $value) {
            $this->delete($key);
        }
        foreach ($source as $key => $value) {
            $this->add($key, $value);
        }
    }
    public function toAssoc()
    {
        $assoc = [];
        foreach ($this->tuples as $tuple) {
            if (!array_key_exists($tuple[0], $assoc)) {
                $assoc[$tuple[0]] = $tuple[1];
            }
        }
        return $assoc;
    }
    public function getIterator()
    {
        foreach ($this->tuples as $tuple) {
            (yield $tuple[0] => $tuple[1]);
        }
    }
    public function pop($key)
    {
        $value = $this->get($key);
        $this->delete($key);
        return $value;
    }
    public function getAll($key)
    {
        $result = [];
        foreach ($this->tuples as $tuple) {
            if ($tuple[0] === (string) $key) {
                $result[] = $tuple[1];
            }
        }
        return $result;
    }
}
namespace Kibo\Phast\ValueObjects;

class URL
{
    /**
     * @var string
     */
    private $scheme;
    /**
     * @var string
     */
    private $host;
    /**
     * @var string
     */
    private $port;
    /**
     * @var string
     */
    private $user;
    /**
     * @var string
     */
    private $pass;
    /**
     * @var string
     */
    private $path;
    /**
     * @var string
     */
    private $query;
    /**
     * @var string
     */
    private $fragment;
    /**
     * @param $string
     * @return URL
     */
    public static function fromString($string)
    {
        $components = parse_url($string);
        if (!$components) {
            return new self();
        }
        return self::fromArray($components);
    }
    /**
     * @param array $arr Should follow the format produced by parse_url()
     * @return URL
     * @see parse_url()
     */
    public static function fromArray(array $arr)
    {
        $url = new self();
        foreach ($arr as $key => $value) {
            $url->{$key} = $key == 'path' ? $url->normalizePath($value) : $value;
        }
        return $url;
    }
    /**
     * If $this can be interpreted as relative to $base,
     * will produce URL that is $base/$this.
     * Otherwise the returned URL will point to the same place as $this
     *
     * @param URL $base
     * @return URL
     *
     * @example this: www/htdocs + base: /var -> /var/www/htdocs
     * @example this: /var + base: http://example.com -> http://example.com/var
     * @example this: /var + base: /www -> /var
     */
    public function withBase(\Kibo\Phast\ValueObjects\URL $base)
    {
        $new = clone $this;
        foreach (['scheme', 'host', 'port', 'user', 'pass', 'path'] as $key) {
            if ($key == 'path') {
                $new->path = $this->resolvePath($base->path, $this->path);
            } elseif (!isset($this->{$key}) && isset($base->{$key})) {
                $new->{$key} = $base->{$key};
            } elseif (isset($this->{$key})) {
                break;
            }
        }
        return $new;
    }
    /**
     * Tells whether $this can be interpreted as at the same host as $url
     *
     * @param URL $url
     * @return bool
     */
    public function isLocalTo(\Kibo\Phast\ValueObjects\URL $url)
    {
        return empty($this->host) || $this->host === $url->host;
    }
    /**
     * @return string
     */
    public function toString()
    {
        $scheme = isset($this->scheme) ? $this->scheme . '://' : '';
        $host = isset($this->host) ? $this->host : '';
        $port = isset($this->port) ? ':' . $this->port : '';
        $user = isset($this->user) ? $this->user : '';
        $pass = isset($this->pass) ? ':' . $this->pass : '';
        $pass = $user || $pass ? "{$pass}@" : '';
        $path = isset($this->path) ? $this->getPath() : '';
        $query = isset($this->query) ? '?' . $this->query : '';
        $fragment = isset($this->fragment) ? '#' . $this->fragment : '';
        return "{$scheme}{$user}{$pass}{$host}{$port}{$path}{$query}{$fragment}";
    }
    private function normalizePath($path)
    {
        $stack = [];
        $head = null;
        foreach (explode('/', $path) as $part) {
            if ($part == '.' || $part == '') {
                continue;
            }
            if (!is_null($head) && $part == '..' && $head != '..') {
                array_pop($stack);
                $head = empty($stack) ? null : $stack[count($stack) - 1];
            } else {
                $stack[] = $head = $part;
            }
        }
        $normalized = substr($path, 0, 1) == '/' ? '/' : '';
        if (!empty($stack)) {
            $normalized .= join('/', $stack);
            $normalized .= substr($path, -1) == '/' ? '/' : '';
        }
        return $normalized;
    }
    private function resolvePath($base, $requested)
    {
        if (!$requested) {
            return $base;
        }
        if ($requested[0] == '/') {
            return $requested;
        }
        if (substr($base, -1, 1) == '/') {
            $usedBase = $base;
        } else {
            $usedBase = dirname($base);
        }
        return rtrim($usedBase, '/') . '/' . $requested;
    }
    /**
     * @return string
     */
    public function getScheme()
    {
        return $this->scheme;
    }
    /**
     * @return string
     */
    public function getHost()
    {
        return $this->host;
    }
    /**
     * @return string
     */
    public function getPort()
    {
        return $this->port;
    }
    /**
     * @return string
     */
    public function getUser()
    {
        return $this->user;
    }
    /**
     * @return string
     */
    public function getPass()
    {
        return $this->pass;
    }
    /**
     * @return string
     */
    public function getPath()
    {
        return $this->path;
    }
    /**
     * @return string
     */
    public function getQuery()
    {
        return $this->query;
    }
    /**
     * @return string
     */
    public function getExtension()
    {
        $matches = [];
        if (preg_match('/\\.([^.]*)$/', $this->path, $matches)) {
            return $matches[1];
        }
        return '';
    }
    /**
     * @return string
     */
    public function getFragment()
    {
        return $this->fragment;
    }
    /**
     * @param string $path
     * @return self
     */
    public function withPath($path)
    {
        $url = clone $this;
        $url->path = (string) $path;
        return $url;
    }
    /**
     * @param string|null $query
     * @return self
     */
    public function withQuery($query)
    {
        $url = clone $this;
        if ($query === null) {
            $url->query = null;
        } else {
            $url->query = (string) $query;
        }
        return $url;
    }
    /**
     * @return self
     */
    public function withoutQuery()
    {
        $url = clone $this;
        $url->query = null;
        return $url;
    }
    public function __toString()
    {
        return $this->toString();
    }
    public function rewrite(\Kibo\Phast\ValueObjects\URL $from, \Kibo\Phast\ValueObjects\URL $to)
    {
        $str_from = rtrim($from->toString(), '/');
        $str_to = rtrim($to->toString(), '/');
        return \Kibo\Phast\ValueObjects\URL::fromString(preg_replace('~^' . preg_quote($str_from, '~') . '(?=$|/)~', $str_to, $this->toString()));
    }
}
namespace Kibo\Phast\Logging;

class LogLevel
{
    const EMERGENCY = 128;
    const ALERT = 64;
    const CRITICAL = 32;
    const ERROR = 16;
    const WARNING = 8;
    const NOTICE = 4;
    const INFO = 2;
    const DEBUG = 1;
    public static function toString($level)
    {
        switch ($level) {
            case self::EMERGENCY:
                return 'EMERGENCY';
            case self::ALERT:
                return 'ALERT';
            case self::CRITICAL:
                return 'CRITICAL';
            case self::ERROR:
                return 'ERROR';
            case self::WARNING:
                return 'WARNING';
            case self::NOTICE:
                return 'NOTICE';
            case self::INFO:
                return 'INFO';
            case self::DEBUG:
                return 'DEBUG';
            default:
                return 'UNKNOWN';
        }
    }
}
namespace Kibo\Phast\Logging;

class Log
{
    /**
     * @var Logger
     */
    private static $logger;
    public static function setLogger(\Kibo\Phast\Logging\Logger $logger)
    {
        self::$logger = $logger;
    }
    public static function initWithDummy()
    {
        self::$logger = new \Kibo\Phast\Logging\Logger(new \Kibo\Phast\Logging\LogWriters\Dummy\Writer());
    }
    public static function init(array $config, \Kibo\Phast\Services\ServiceRequest $request, $service)
    {
        $writer = (new \Kibo\Phast\Logging\LogWriters\Factory())->make($config, $request);
        $logger = new \Kibo\Phast\Logging\Logger($writer);
        self::$logger = $logger->withContext(['documentRequestId' => $request->getDocumentRequestId(), 'requestId' => mt_rand(0, 99999999), 'service' => $service]);
    }
    /**
     * @return Logger
     */
    public static function get()
    {
        if (!isset(self::$logger)) {
            self::initWithDummy();
        }
        return self::$logger;
    }
    /**
     * @param array $context
     * @return Logger
     */
    public static function context(array $context)
    {
        return self::get()->withContext($context);
    }
    /**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function emergency($message, array $context = array())
    {
        self::get()->emergency($message, $context);
    }
    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function alert($message, array $context = array())
    {
        self::get()->alert($message, $context);
    }
    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function critical($message, array $context = array())
    {
        self::get()->critical($message, $context);
    }
    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function error($message, array $context = array())
    {
        self::get()->error($message, $context);
    }
    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function warning($message, array $context = array())
    {
        self::get()->warning($message, $context);
    }
    /**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function notice($message, array $context = array())
    {
        self::get()->notice($message, $context);
    }
    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function info($message, array $context = array())
    {
        self::get()->info($message, $context);
    }
    /**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public static function debug($message, array $context = array())
    {
        self::get()->debug($message, $context);
    }
}
namespace Kibo\Phast\Logging\LogWriters;

class Factory
{
    public function make(array $config, \Kibo\Phast\Services\ServiceRequest $request)
    {
        if (isset($config['logWriters']) && count($config['logWriters']) > 1) {
            $class = \Kibo\Phast\Logging\LogWriters\Composite\Writer::class;
        } elseif (isset($config['logWriters'])) {
            $config = array_pop($config['logWriters']);
            $class = $config['class'];
        } else {
            $class = $config['class'];
        }
        $package = \Kibo\Phast\Environment\Package::fromPackageClass($class);
        $writer = $package->getFactory()->make($config, $request);
        if (isset($config['levelMask'])) {
            $writer->setLevelMask($config['levelMask']);
        }
        return $writer;
    }
}
namespace Kibo\Phast\Logging\LogWriters\JSONLFile;

class Factory
{
    public function make(array $config, \Kibo\Phast\Services\ServiceRequest $request)
    {
        return new \Kibo\Phast\Logging\LogWriters\JSONLFile\Writer($config['logRoot'], $request->getDocumentRequestId());
    }
}
namespace Kibo\Phast\Logging\LogWriters\Composite;

class Factory
{
    public function make(array $config, \Kibo\Phast\Services\ServiceRequest $request)
    {
        $writer = new \Kibo\Phast\Logging\LogWriters\Composite\Writer();
        $factory = new \Kibo\Phast\Logging\LogWriters\Factory();
        foreach ($config['logWriters'] as $writerConfig) {
            $writer->addWriter($factory->make($writerConfig, $request));
        }
        return $writer;
    }
}
namespace Kibo\Phast\Logging\LogWriters\RotatingTextFile;

class Factory
{
    public function make(array $config, \Kibo\Phast\Services\ServiceRequest $request)
    {
        return new \Kibo\Phast\Logging\LogWriters\RotatingTextFile\Writer($config);
    }
}
namespace Kibo\Phast\Logging\LogWriters\PHPError;

class Factory
{
    public function make(array $config, \Kibo\Phast\Services\ServiceRequest $request)
    {
        return new \Kibo\Phast\Logging\LogWriters\PHPError\Writer($config);
    }
}
namespace Kibo\Phast\Logging\Common;

trait JSONLFileLogTrait
{
    /**
     * @var string
     */
    private $dir;
    /**
     * @var string
     */
    private $filename;
    /**
     * JSONLFileLogWriter constructor.
     * @param string $dir
     * @param string $suffix
     */
    public function __construct($dir, $suffix)
    {
        $this->dir = $dir;
        $suffix = preg_replace('/[^0-9A-Za-z_-]/', '', (string) $suffix);
        if (!empty($suffix)) {
            $suffix = '-' . $suffix;
        }
        $this->filename = $this->dir . '/log' . $suffix . '.jsonl';
    }
}
namespace Kibo\Phast\Logging;

class LogEntry implements \JsonSerializable
{
    /**
     * @var int
     */
    private $level;
    /**
     * @var string
     */
    private $message;
    /**
     * @var array
     */
    private $context;
    /**
     * LogEntry constructor.
     * @param int $level
     * @param string $message
     * @param array $context
     */
    public function __construct($level, $message, array $context)
    {
        $this->level = (int) $level;
        $this->message = $message;
        $this->context = $context;
    }
    /**
     * @return int
     */
    public function getLevel()
    {
        return $this->level;
    }
    /**
     * @return string
     */
    public function getMessage()
    {
        return $this->message;
    }
    /**
     * @return array
     */
    public function getContext()
    {
        return $this->context;
    }
    public function toArray()
    {
        return ['level' => $this->level, 'message' => $this->message, 'context' => $this->context];
    }
    public function jsonSerialize()
    {
        return $this->toArray();
    }
}
namespace Kibo\Phast\Logging;

class Logger
{
    /**
     * @var LogWriter
     */
    private $writer;
    /**
     * @var array
     */
    private $context = array();
    /**
     * @var ObjectifiedFunctions
     */
    private $functions;
    /**
     * Logger constructor.
     * @param LogWriter $writer
     */
    public function __construct(\Kibo\Phast\Logging\LogWriter $writer, \Kibo\Phast\Common\ObjectifiedFunctions $functions = null)
    {
        $this->writer = $writer;
        $this->functions = is_null($functions) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $functions;
    }
    /**
     * Returns a new logger with default context
     * merged from the current logger and the passed array
     *
     * @param array $context
     * @return Logger
     */
    public function withContext(array $context)
    {
        $logger = clone $this;
        $logger->context = array_merge($this->context, $context);
        return $logger;
    }
    /**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function emergency($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::EMERGENCY, $message, $context);
    }
    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function alert($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::ALERT, $message, $context);
    }
    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function critical($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::CRITICAL, $message, $context);
    }
    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function error($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::ERROR, $message, $context);
    }
    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function warning($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::WARNING, $message, $context);
    }
    /**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function notice($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::NOTICE, $message, $context);
    }
    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function info($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::INFO, $message, $context);
    }
    /**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function debug($message, array $context = array())
    {
        $this->log(\Kibo\Phast\Logging\LogLevel::DEBUG, $message, $context);
    }
    protected function log($level, $message, array $context = array())
    {
        $context = array_merge(['timestamp' => $this->functions->microtime(true)], $context);
        $this->writer->writeEntry(new \Kibo\Phast\Logging\LogEntry($level, $message, array_merge($this->context, $context)));
    }
}
namespace Kibo\Phast\Logging;

interface LogReader
{
    /**
     * Reads LogMessage objects
     *
     * @return \Generator
     */
    public function readEntries();
}
namespace Kibo\Phast\Logging;

trait LoggingTrait
{
    protected function logger($method = null, $line = null)
    {
        $context = ['class' => get_class($this)];
        if (!is_null($method)) {
            $context['method'] = $method;
        }
        if (!is_null($line)) {
            $context['line'] = $line;
        }
        return \Kibo\Phast\Logging\Log::context($context);
    }
}
namespace Kibo\Phast\Logging\LogReaders\JSONLFile;

class Reader implements \Kibo\Phast\Logging\LogReader
{
    use \Kibo\Phast\Logging\Common\JSONLFileLogTrait;
    public function readEntries()
    {
        $fp = @fopen($this->filename, 'r');
        while ($fp && ($row = @fgets($fp))) {
            $decoded = @json_decode($row, true);
            if (!$decoded) {
                continue;
            }
            (yield new \Kibo\Phast\Logging\LogEntry(@$decoded['level'], @$decoded['message'], @$decoded['context']));
        }
        @fclose($fp);
        @unlink($this->filename);
    }
    public function __destruct()
    {
        if (!($dir = @opendir($this->dir))) {
            return;
        }
        $tenMinutesAgo = time() - 600;
        while ($file = @readdir($dir)) {
            $filename = $this->dir . "/{$file}";
            if (preg_match('/\\.jsonl$/', $file) && @filectime($filename) < $tenMinutesAgo) {
                @unlink($filename);
            }
        }
    }
}
namespace Kibo\Phast\Logging;

interface LogWriter
{
    /**
     * Set a bit-mask to filter entries that are actually written
     *
     * @param int $mask
     * @return void
     */
    public function setLevelMask($mask);
    /**
     * Write an entry to the log
     *
     * @param LogEntry $entry
     * @return void
     */
    public function writeEntry(\Kibo\Phast\Logging\LogEntry $entry);
}
namespace Kibo\Phast\Services;

interface ServiceFilter
{
    /**
     * @param Resource $resource
     * @param array $request
     * @return Resource
     */
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request);
}
namespace Kibo\Phast\Services;

class Factory
{
    /**
     * @param string $service
     * @param array $config
     * @return BaseService
     * @throws ItemNotFoundException
     */
    public function make($service, array $config)
    {
        if (!preg_match('/^[a-z]+$/', $service)) {
            throw new \Kibo\Phast\Exceptions\ItemNotFoundException('Bad service');
        }
        $class = __NAMESPACE__ . '\\' . ucfirst($service) . '\\Factory';
        if (class_exists($class)) {
            return (new $class())->make($config);
        }
        throw new \Kibo\Phast\Exceptions\ItemNotFoundException('Unknown service');
    }
}
namespace Kibo\Phast\Services;

trait ServiceFactoryTrait
{
    /**
     * @param array $config
     * @param $cacheNamespace
     * @return UniversalRetriever
     */
    public function makeUniversalCachingRetriever(array $config, $cacheNamespace)
    {
        $retriever = new \Kibo\Phast\Retrievers\UniversalRetriever();
        $retriever->addRetriever(new \Kibo\Phast\Retrievers\LocalRetriever($config['retrieverMap']));
        $retriever->addRetriever(new \Kibo\Phast\Retrievers\CachingRetriever(new \Kibo\Phast\Cache\File\Cache($config['cache'], $cacheNamespace), (new \Kibo\Phast\Retrievers\RemoteRetrieverFactory())->make($config)));
        return $retriever;
    }
    public function makeCachingServiceFilter(array $config, \Kibo\Phast\Filters\Service\CompositeFilter $compositeFilter, $cacheNamespace)
    {
        return new \Kibo\Phast\Filters\Service\CachingServiceFilter(new \Kibo\Phast\Cache\File\Cache($config['cache'], $cacheNamespace), $compositeFilter, new \Kibo\Phast\Retrievers\LocalRetriever($config['retrieverMap']));
    }
}
namespace Kibo\Phast\Services\Bundler;

class Service
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var ServiceSignature
     */
    private $signature;
    /**
     * @var Retriever
     */
    private $cssRetriever;
    /**
     * @var ServiceFilter
     */
    private $cssFilter;
    /**
     * @var Retriever
     */
    private $jsRetriever;
    /**
     * @var ServiceFilter
     */
    private $jsFilter;
    private $tokenRefMaker;
    public function __construct(\Kibo\Phast\Security\ServiceSignature $signature, \Kibo\Phast\Retrievers\Retriever $cssRetriever, \Kibo\Phast\Services\ServiceFilter $cssFilter, \Kibo\Phast\Retrievers\Retriever $jsRetriever, \Kibo\Phast\Services\ServiceFilter $jsFilter, \Kibo\Phast\Services\Bundler\TokenRefMaker $tokenRefMaker)
    {
        $this->signature = $signature;
        $this->cssRetriever = $cssRetriever;
        $this->cssFilter = $cssFilter;
        $this->jsRetriever = $jsRetriever;
        $this->jsFilter = $jsFilter;
        $this->tokenRefMaker = $tokenRefMaker;
    }
    /**
     * @param ServiceRequest $request
     * @return Response
     */
    public function serve(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $response = new \Kibo\Phast\HTTP\Response();
        $response->setHeader('Content-Type', 'application/json');
        $response->setContent($this->streamResponse($request));
        return $response;
    }
    private function streamResponse(\Kibo\Phast\Services\ServiceRequest $request)
    {
        (yield '[');
        $firstRow = true;
        foreach ($this->getParams($request) as $key => $params) {
            if (isset($params['ref'])) {
                $ref = $params['ref'];
                $params = $this->tokenRefMaker->getParams($ref);
                if (!$params) {
                    $this->logger()->error('Could not resolve ref {ref}', ['ref' => $ref]);
                    (yield $this->generateJSONRow(['status' => 404], $firstRow));
                    continue;
                }
            }
            if (!isset($params['src'])) {
                $this->logger()->error('No src found for set {key}', ['key' => $key]);
                (yield $this->generateJSONRow(['status' => 404], $firstRow));
                continue;
            }
            if (!$this->verifyParams($params)) {
                $this->logger()->error('Params verification failed for set {key}', ['key' => $key]);
                (yield $this->generateJSONRow(['status' => 401], $firstRow));
                continue;
            }
            list($retriever, $filter) = $this->getRetrieverAndFilter($params);
            $resource = \Kibo\Phast\ValueObjects\Resource::makeWithRetriever(\Kibo\Phast\ValueObjects\URL::fromString($params['src']), $retriever);
            try {
                $this->logger()->info('Applying for set {key}', ['key' => $key]);
                $filtered = $filter->apply($resource, $params);
                (yield $this->generateJSONRow(['status' => 200, 'content' => $filtered->getContent()], $firstRow));
            } catch (\Kibo\Phast\Exceptions\ItemNotFoundException $e) {
                $this->logger()->error('Could not find {url} for set {key}', ['url' => $params['src'], 'key' => $key]);
                (yield $this->generateJSONRow(['status' => 404], $firstRow));
            } catch (\Exception $e) {
                $this->logger()->critical('Unhandled exception for set {key}: {type} Message: {message} File: {file} Line: {line}', ['key' => $key, 'type' => get_class($e), 'message' => $e->getMessage(), 'file' => $e->getFile(), 'line' => $e->getLine()]);
                (yield $this->generateJSONRow(['status' => 500], $firstRow));
            }
        }
        (yield ']');
    }
    private function getParams(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $params = $request->getParams();
        if (isset($params['src_0'])) {
            return (new \Kibo\Phast\Services\Bundler\BundlerParamsParser())->parse($request);
        }
        return (new \Kibo\Phast\Services\Bundler\ShortBundlerParamsParser())->parse($request);
    }
    private function verifyParams(array $params)
    {
        return \Kibo\Phast\Services\Bundler\ServiceParams::fromArray($params)->verify($this->signature);
    }
    private function getRetrieverAndFilter(array $params)
    {
        if (isset($params['isScript'])) {
            return [$this->jsRetriever, $this->jsFilter];
        }
        return [$this->cssRetriever, $this->cssFilter];
    }
    private function generateJSONRow(array $content, &$firstRow)
    {
        if (!$firstRow) {
            $prepend = ',';
        } else {
            $prepend = '';
            $firstRow = false;
        }
        return $prepend . \Kibo\Phast\Common\JSON::encode($content);
    }
}
namespace Kibo\Phast\Services\Bundler;

class BundlerParamsParser
{
    public function parse(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $result = [];
        foreach ($request->getParams() as $name => $value) {
            if (strpos($name, '_') !== false) {
                list($name, $key) = explode('_', $name, 2);
                $result[$key][$name] = $value;
            }
        }
        return $result;
    }
}
namespace Kibo\Phast\Services\Bundler;

class ShortBundlerParamsParser
{
    public static function getParamsMappings()
    {
        return ['s' => 'src', 'i' => 'strip-imports', 'c' => 'cacheMarker', 't' => 'token', 'j' => 'isScript', 'r' => 'ref'];
    }
    public function parse(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $query_string = $request->getHTTPRequest()->getQueryString();
        if (preg_match('/(^|&)f=/', $query_string)) {
            $query = \Kibo\Phast\ValueObjects\Query::fromString($this->unobfuscateQuery($query_string));
        } else {
            $query = $request->getQuery();
        }
        $query = $this->unshortenParams($query->getIterator());
        $query = $this->uncompressSrcs($query);
        $result = [];
        $current = null;
        foreach ($query as $key => $value) {
            if (in_array($key, ['src', 'ref'])) {
                if ($current) {
                    $result[] = $current;
                }
                $current = [];
            }
            if ($current !== null) {
                $current[$key] = $value;
            }
        }
        if ($current) {
            $result[] = $current;
        }
        return $result;
    }
    private function unobfuscateQuery($query)
    {
        $query = str_rot13($query);
        if (strpos($query, '%2S') !== false) {
            $query = preg_replace_callback('/%../', function ($match) {
                return str_rot13($match[0]);
            }, $query);
        }
        return $query;
    }
    private function unshortenParams(\Generator $query)
    {
        $mappings = self::getParamsMappings();
        foreach ($query as $key => $value) {
            if (isset($mappings[$key])) {
                (yield $mappings[$key] => $value === '' ? '1' : $value);
            } else {
                (yield $key => $value);
            }
        }
    }
    private function uncompressSrcs(\Generator $query)
    {
        $lastUrl = '';
        foreach ($query as $key => $value) {
            if ($key === 'src') {
                $prefixLength = (int) base_convert(substr($value, 0, 2), 36, 10);
                $suffix = substr($value, 2);
                $value = substr($lastUrl, 0, $prefixLength) . $suffix;
                $lastUrl = $value;
            }
            (yield $key => $value);
        }
    }
}
namespace Kibo\Phast\Services\Bundler;

class TokenRefMaker
{
    private $cache;
    public function __construct(\Kibo\Phast\Cache\Cache $cache)
    {
        $this->cache = $cache;
    }
    public function getRef($token, array $params)
    {
        $ref = \Kibo\Phast\Common\Base64url::shortHash(\Kibo\Phast\Common\JSON::encode($params));
        $cachedParams = $this->cache->get($ref);
        if (!$cachedParams) {
            $this->cache->set($ref, $params);
            $cachedParams = $this->cache->get($ref);
        }
        if ($cachedParams === $params) {
            return $ref;
        }
    }
    public function getParams($ref)
    {
        return $this->cache->get($ref);
    }
}
namespace Kibo\Phast\Services\Bundler;

class TokenRefMakerFactory
{
    public function make(array $config)
    {
        $cache = new \Kibo\Phast\Cache\File\Cache($config['cache'], 'token-refs');
        return new \Kibo\Phast\Services\Bundler\TokenRefMaker($cache);
    }
}
namespace Kibo\Phast\Services\Bundler;

class ServiceParams
{
    /**
     * @var string
     */
    private $token;
    /**
     * @var array
     */
    private $params;
    private function __construct()
    {
    }
    /**
     * @param array $params
     * @return ServiceParams
     */
    public static function fromArray(array $params)
    {
        $instance = new self();
        if (isset($params['token'])) {
            $instance->token = $params['token'];
            unset($params['token']);
        }
        $instance->params = $params;
        return $instance;
    }
    /**
     * @param ServiceSignature $signature
     * @return ServiceParams
     */
    public function sign(\Kibo\Phast\Security\ServiceSignature $signature)
    {
        $new = new self();
        $new->token = $this->makeToken($signature);
        $new->params = $this->params;
        return $new;
    }
    /**
     * @param ServiceSignature $signature
     * @return bool
     */
    public function verify(\Kibo\Phast\Security\ServiceSignature $signature)
    {
        if (!isset($this->token)) {
            return false;
        }
        return $this->token == $this->makeToken($signature);
    }
    /**
     * @return mixed
     */
    public function toArray()
    {
        $params = $this->params;
        if ($this->token) {
            $params['token'] = $this->token;
        }
        return $params;
    }
    public function serialize()
    {
        return \Kibo\Phast\Common\JSON::encode($this->toArray());
    }
    private function makeToken(\Kibo\Phast\Security\ServiceSignature $signature)
    {
        $params = $this->params;
        if (isset($params['cacheMarker'])) {
            unset($params['cacheMarker']);
        }
        ksort($params);
        array_walk($params, function (&$item) {
            $item = (string) $item;
        });
        return $signature->sign(json_encode($params));
    }
    public function replaceByTokenRef(\Kibo\Phast\Services\Bundler\TokenRefMaker $maker)
    {
        if (!isset($this->token)) {
            return $this;
        }
        $ref = $maker->getRef($this->token, $this->toArray());
        return $ref ? \Kibo\Phast\Services\Bundler\ServiceParams::fromArray(['ref' => $ref]) : $this;
    }
}
namespace Kibo\Phast\Services\Bundler;

class Factory
{
    use \Kibo\Phast\Services\ServiceFactoryTrait;
    public function make(array $config)
    {
        $cssServiceFactory = new \Kibo\Phast\Services\Css\Factory();
        $jsServiceFactory = new \Kibo\Phast\Services\Scripts\Factory();
        $cssFilter = $this->makeCachingServiceFilter($config, $cssServiceFactory->makeFilter($config), 'bundler-css');
        $jsFilter = $this->makeCachingServiceFilter($config, $jsServiceFactory->makeFilter($config), 'bundler-js');
        return new \Kibo\Phast\Services\Bundler\Service((new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config), $cssServiceFactory->makeRetriever($config), $cssFilter, $jsServiceFactory->makeRetriever($config), $jsFilter, (new \Kibo\Phast\Services\Bundler\TokenRefMakerFactory())->make($config));
    }
}
namespace Kibo\Phast\Services\Css;

class Factory
{
    use \Kibo\Phast\Services\ServiceFactoryTrait;
    public function make(array $config)
    {
        $cssComposite = $this->makeFilter($config);
        $composite = $this->makeCachingServiceFilter($config, $cssComposite, 'css-processing-2');
        return new \Kibo\Phast\Services\Css\Service((new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config), [], $this->makeRetriever($config), $composite, $config);
    }
    public function makeRetriever(array $config)
    {
        return $this->makeUniversalCachingRetriever($config, 'css');
    }
    public function makeFilter(array $config)
    {
        return (new \Kibo\Phast\Filters\CSS\Composite\Factory())->make($config);
    }
}
namespace Kibo\Phast\Services\Diagnostics;

class Factory
{
    public function make(array $config)
    {
        $logRoot = null;
        foreach ($config['logging']['logWriters'] as $writerConfig) {
            if ($writerConfig['class'] == \Kibo\Phast\Logging\LogWriters\JSONLFile\Writer::class) {
                $logRoot = $writerConfig['logRoot'];
                break;
            }
        }
        return new \Kibo\Phast\Services\Diagnostics\Service($logRoot);
    }
}
namespace Kibo\Phast\Services\Diagnostics;

class Service
{
    private $logRoot;
    public function __construct($logRoot)
    {
        $this->logRoot = $logRoot;
    }
    public function serve(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $params = $request->getParams();
        if (isset($params['documentRequestId'])) {
            $items = $this->getRequestLog($params['documentRequestId']);
        } else {
            $items = $this->getSystemDiagnostics();
        }
        $response = new \Kibo\Phast\HTTP\Response();
        $response->setContent(\Kibo\Phast\Common\JSON::prettyEncode($items));
        $response->setHeader('Content-Type', 'application/json');
        return $response;
    }
    private function getRequestLog($requestId)
    {
        return iterator_to_array((new \Kibo\Phast\Logging\LogReaders\JSONLFile\Reader($this->logRoot, $requestId))->readEntries());
    }
    private function getSystemDiagnostics()
    {
        return (new \Kibo\Phast\Diagnostics\SystemDiagnostics())->run(require PHAST_CONFIG_FILE);
    }
}
namespace Kibo\Phast\Services\Scripts;

class Factory
{
    use \Kibo\Phast\Services\ServiceFactoryTrait;
    public function make(array $config)
    {
        $cachedComposite = $this->makeFilter($config);
        return new \Kibo\Phast\Services\Scripts\Service((new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config), $config['scripts']['whitelist'], $this->makeRetriever($config), $this->makeCachingServiceFilter($config, $cachedComposite, 'scripts-minified'), $config);
    }
    public function makeRetriever(array $config)
    {
        return $this->makeUniversalCachingRetriever($config, 'scripts');
    }
    public function makeFilter(array $config)
    {
        $filter = new \Kibo\Phast\Filters\Service\CompositeFilter();
        $filter->addFilter(new \Kibo\Phast\Filters\Text\Decode\Filter());
        $filter->addFilter(new \Kibo\Phast\Filters\JavaScript\Minification\JSMinifierFilter(@$config['scripts']['removeLicenseHeaders']));
        return $filter;
    }
}
namespace Kibo\Phast\Services\Images;

class Factory
{
    public function make(array $config)
    {
        if ($config['images']['api-mode']) {
            $retriever = new \Kibo\Phast\Retrievers\PostDataRetriever();
        } else {
            $retriever = new \Kibo\Phast\Retrievers\UniversalRetriever();
            $retriever->addRetriever(new \Kibo\Phast\Retrievers\LocalRetriever($config['retrieverMap']));
            $retriever->addRetriever((new \Kibo\Phast\Retrievers\RemoteRetrieverFactory())->make($config));
        }
        return new \Kibo\Phast\Services\Images\Service((new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config), $config['images']['whitelist'], $retriever, (new \Kibo\Phast\Filters\Image\Composite\Factory($config))->make(), $config);
    }
}
namespace Kibo\Phast\Services;

abstract class BaseService
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var ServiceSignature
     */
    protected $signature;
    /**
     * @var string[]
     */
    protected $whitelist = array();
    /**
     * @var Retriever
     */
    protected $retriever;
    /**
     * @var ServiceFilter
     */
    protected $filter;
    /**
     * @var array
     */
    protected $config;
    /**
     * BaseService constructor.
     * @param ServiceSignature $signature
     * @param array $whitelist
     * @param Retriever $retriever
     * @param ServiceFilter $filter
     * @param array $config
     */
    public function __construct(\Kibo\Phast\Security\ServiceSignature $signature, array $whitelist, \Kibo\Phast\Retrievers\Retriever $retriever, \Kibo\Phast\Services\ServiceFilter $filter, array $config)
    {
        $this->signature = $signature;
        $this->whitelist = $whitelist;
        $this->retriever = $retriever;
        $this->filter = $filter;
        $this->config = $config;
    }
    /**
     * @param ServiceRequest $request
     * @return Response
     */
    public function serve(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $this->validateRequest($request);
        $request = $this->getParams($request);
        $resource = \Kibo\Phast\ValueObjects\Resource::makeWithRetriever(\Kibo\Phast\ValueObjects\URL::fromString(isset($request['src']) ? $request['src'] : ''), $this->retriever);
        $filtered = $this->filter->apply($resource, $request);
        return $this->makeResponse($filtered, $request);
    }
    /**
     * @param ServiceRequest $request
     * @return array
     */
    protected function getParams(\Kibo\Phast\Services\ServiceRequest $request)
    {
        return $request->getParams();
    }
    /**
     * @param Resource $resource
     * @param array $request
     * @return Response
     */
    protected function makeResponse(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $response = new \Kibo\Phast\HTTP\Response();
        $response->setContent($resource->getContent());
        return $response;
    }
    protected function validateRequest(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $this->validateIntegrity($request);
        try {
            $this->validateToken($request);
        } catch (\Kibo\Phast\Exceptions\UnauthorizedException $e) {
            $this->validateWhitelisted($request);
        }
    }
    protected function validateIntegrity(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $params = $request->getParams();
        if (!isset($params['src'])) {
            throw new \Kibo\Phast\Exceptions\ItemNotFoundException('No source is set!');
        }
    }
    protected function validateToken(\Kibo\Phast\Services\ServiceRequest $request)
    {
        if (!$request->verify($this->signature)) {
            throw new \Kibo\Phast\Exceptions\UnauthorizedException('Invalid token in request: ' . $request->serialize(\Kibo\Phast\Services\ServiceRequest::FORMAT_QUERY));
        }
    }
    protected function validateWhitelisted(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $params = $request->getParams();
        foreach ($this->whitelist as $pattern) {
            if (preg_match($pattern, $params['src'])) {
                return;
            }
        }
        throw new \Kibo\Phast\Exceptions\UnauthorizedException('Not allowed url: ' . $params['src']);
    }
}
namespace Kibo\Phast\Services;

class ServiceRequest
{
    const FORMAT_QUERY = 1;
    const FORMAT_PATH = 2;
    private static $defaultSerializationMode = self::FORMAT_PATH;
    /**
     * @var string
     */
    private static $propagatedSwitches = '';
    /**
     * @var Switches
     */
    private static $switches;
    /**
     * @var string
     */
    private static $documentRequestId;
    /**
     * @var Request
     */
    private $httpRequest;
    /**
     * @var URL
     */
    private $url;
    /**
     * @var Query
     */
    private $query;
    /**
     * @var string
     */
    private $token;
    public function __construct()
    {
        if (!isset(self::$switches)) {
            self::$switches = new \Kibo\Phast\Environment\Switches();
        }
        $this->query = new \Kibo\Phast\ValueObjects\Query();
    }
    public static function resetRequestState()
    {
        self::$defaultSerializationMode = self::FORMAT_PATH;
        self::$propagatedSwitches = '';
        self::$switches = null;
        self::$documentRequestId = null;
    }
    public static function setDefaultSerializationMode($mode)
    {
        self::$defaultSerializationMode = $mode;
    }
    public static function getDefaultSerializationMode()
    {
        return self::$defaultSerializationMode;
    }
    public static function fromHTTPRequest(\Kibo\Phast\HTTP\Request $request)
    {
        $query = $request->getQuery();
        if ($query->get('src')) {
            $query->set('src', preg_replace('~^hxxp(?=s?://)~', 'http', $query->get('src')));
        }
        $pathInfo = $request->getPathInfo();
        if ($pathParams = self::parseBase64PathInfo($pathInfo)) {
            $query->update($pathParams);
        } elseif ($pathInfo) {
            $query->update(self::parsePathInfo($pathInfo));
        }
        $instance = new self();
        self::$switches = new \Kibo\Phast\Environment\Switches();
        $instance->httpRequest = $request;
        if ($request->getCookie('phast')) {
            self::$switches = \Kibo\Phast\Environment\Switches::fromString($request->getCookie('phast'));
        }
        if ($token = $query->pop('token')) {
            $instance->token = $token;
        }
        $instance->query = $query;
        if ($query->get('phast')) {
            self::$propagatedSwitches = $query->get('phast');
            $paramsSwitches = \Kibo\Phast\Environment\Switches::fromString($query->get('phast'));
            self::$switches = self::$switches->merge($paramsSwitches);
        }
        if ($query->get('documentRequestId')) {
            self::$documentRequestId = $query->get('documentRequestId');
        } else {
            self::$documentRequestId = (string) mt_rand(0, 999999999);
        }
        return $instance;
    }
    public function hasRequestSwitchesSet()
    {
        return !empty(self::$propagatedSwitches);
    }
    /**
     * @return Switches
     */
    public function getSwitches()
    {
        return self::$switches;
    }
    /**
     * @return array
     */
    public function getParams()
    {
        return $this->query->toAssoc();
    }
    /**
     * @return Query
     */
    public function getQuery()
    {
        return $this->query;
    }
    /**
     * @return Request
     */
    public function getHTTPRequest()
    {
        return $this->httpRequest;
    }
    /**
     * @return string
     */
    public function getDocumentRequestId()
    {
        return self::$documentRequestId;
    }
    /**
     * @param array $params
     * @return ServiceRequest
     */
    public function withParams(array $params)
    {
        $result = clone $this;
        $result->query = \Kibo\Phast\ValueObjects\Query::fromAssoc($params);
        return $result;
    }
    /**
     * @param URL $url
     * @return ServiceRequest
     */
    public function withUrl(\Kibo\Phast\ValueObjects\URL $url)
    {
        $result = clone $this;
        $result->url = $url;
        return $result;
    }
    /**
     * @param ServiceSignature $signature
     * @return ServiceRequest
     */
    public function sign(\Kibo\Phast\Security\ServiceSignature $signature)
    {
        $token = $signature->sign($this->getVerificationString());
        $result = clone $this;
        $result->token = $token;
        return $result;
    }
    /**
     * @param ServiceSignature $signature
     * @return bool
     */
    public function verify(\Kibo\Phast\Security\ServiceSignature $signature)
    {
        return $signature->verify($this->token, $this->getVerificationString()) || $signature->verify($this->token, $this->getVerificationStringWithoutStemSuffix());
    }
    private static function parsePathInfo($string)
    {
        $values = new \Kibo\Phast\ValueObjects\Query();
        $parts = explode('/', $string);
        foreach ($parts as $part) {
            if ($part === '') {
                continue;
            }
            $pair = explode('=', $part);
            if (isset($pair[1])) {
                $values->set($pair[0], self::decodeSingleValue($pair[1]));
            } elseif (preg_match('/^__p__(@[1-9][0-9]*x)?\\./', $pair[0], $match)) {
                if (!empty($match[1]) && $values->has('src')) {
                    $values->set('src', self::appendStemSuffix($values->get('src'), $match[1]));
                }
                break;
            } else {
                $values->set('src', self::decodeSingleValue($pair[0]));
            }
        }
        return $values;
    }
    private static function decodeSingleValue($value)
    {
        return urldecode(str_replace('-', '%', $value));
    }
    private static function appendStemSuffix($src, $suffix)
    {
        $url = \Kibo\Phast\ValueObjects\URL::fromString($src);
        $path = preg_replace_callback('/\\.\\w+$/', function ($match) use($suffix) {
            return $suffix . $match[0];
        }, $url->getPath());
        return $url->withPath($path)->toString();
    }
    private static function parseBase64PathInfo($string)
    {
        if (!preg_match('~^/([a-z0-9_-]+)\\.q\\.js$~i', $string, $match)) {
            return null;
        }
        return \Kibo\Phast\ValueObjects\Query::fromString(\Kibo\Phast\Common\Base64url::decode($match[1]));
    }
    /**
     * @param callable $paramsFilter
     * @return string
     */
    private function getVerificationString($paramsFilter = null)
    {
        $params = $this->getAllParams();
        if ($paramsFilter) {
            $params = $paramsFilter($params);
        }
        ksort($params);
        return http_build_query($params);
    }
    private function getVerificationStringWithoutStemSuffix()
    {
        return $this->getVerificationString(function ($params) {
            if (isset($params['src'])) {
                $params['src'] = $this->stripStemSuffix($params['src']);
            }
            return $params;
        });
    }
    private function stripStemSuffix($src)
    {
        $url = \Kibo\Phast\ValueObjects\URL::fromString($src);
        $path = preg_replace('/@[1-9][0-9]*x(?=\\.\\w+$)/', '', $url->getPath());
        return $url->withPath($path)->toString();
    }
    public function serialize($format = null)
    {
        $params = $this->getAllParams();
        if ($this->token) {
            $params['token'] = $this->token;
        }
        if (is_null($format)) {
            $format = self::$defaultSerializationMode;
        }
        if ($format == self::FORMAT_PATH) {
            return $this->serializeToPathFormat($params);
        }
        return $this->serializeToQueryFormat($params);
    }
    private function getAllParams()
    {
        $urlParams = [];
        if ($this->url) {
            parse_str($this->url->getQuery(), $urlParams);
        }
        $params = array_merge($urlParams, $this->query->toAssoc());
        if (!empty(self::$propagatedSwitches)) {
            $params['phast'] = self::$propagatedSwitches;
        }
        if (self::$switches->isOn(\Kibo\Phast\Environment\Switches::SWITCH_DIAGNOSTICS)) {
            $params['documentRequestId'] = self::$documentRequestId;
        }
        return $params;
    }
    private function serializeToQueryFormat(array $params)
    {
        $encoded = http_build_query($params);
        if (!isset($this->url)) {
            return $encoded;
        }
        $serialized = preg_replace('~\\?.*~', '', (string) $this->url);
        if (self::$defaultSerializationMode === self::FORMAT_PATH && !preg_match('~/$~', $serialized)) {
            $serialized .= '/' . $this->getDummyFilename($params);
        }
        return $serialized . '?' . $encoded;
    }
    /** @return string */
    private function serializeToPathFormat(array $params)
    {
        $encodedSrc = null;
        $values = [];
        foreach (explode('&', http_build_query($params)) as $element) {
            list($key, $value) = explode('=', $element, 2);
            $encodedValue = str_replace(['-', '%'], ['%2D', '-'], $value);
            if ($key == 'src') {
                $encodedSrc = $encodedValue;
            } else {
                $values[] = $key . '=' . $encodedValue;
            }
        }
        if ($encodedSrc) {
            array_unshift($values, $encodedSrc);
        }
        $params = '/' . join('/', $values) . '/' . $this->getDummyFilename($params);
        if (isset($this->url)) {
            return preg_replace(['~\\?.*~', '~/$~'], '', $this->url) . $params;
        }
        return $params;
    }
    private function getDummyFilename(array $params)
    {
        return '__p__.' . $this->getDummyExtension($params);
    }
    private function getDummyExtension(array $params)
    {
        $default = 'js';
        if (empty($params['src'])) {
            return $default;
        }
        $url = \Kibo\Phast\ValueObjects\URL::fromString($params['src']);
        $ext = strtolower($url->getExtension());
        if (preg_match('/^(jpe?g|gif|png|js|css)$/', $ext)) {
            return $ext;
        }
        return $default;
    }
}
namespace Kibo\Phast\Security;

class ServiceSignature
{
    const AUTO_TOKEN_SIZE = 128;
    const SIGNATURE_LENGTH = 16;
    /**
     * @var Cache
     */
    private $cache;
    /**
     * @var array
     */
    private $identities;
    /**
     * ServiceSignature constructor.
     *
     * @param Cache $cache
     */
    public function __construct(\Kibo\Phast\Cache\Cache $cache)
    {
        $this->cache = $cache;
    }
    /**
     * @param string|array $identities
     */
    public function setIdentities($identities)
    {
        if (is_string($identities)) {
            $this->identities = ['' => $identities];
        } else {
            $this->identities = $identities;
        }
    }
    /**
     * @return string
     */
    public function getCacheSalt()
    {
        $identities = $this->getIdentities();
        return md5(join('=>', array_merge(array_keys($identities), array_values($identities))));
    }
    public function sign($value)
    {
        $identities = $this->getIdentities();
        $users = array_keys($identities);
        list($user, $token) = [array_shift($users), array_shift($identities)];
        return $user . substr(md5($token . $value), 0, self::SIGNATURE_LENGTH);
    }
    public function verify($signature, $value)
    {
        $user = substr($signature, 0, -self::SIGNATURE_LENGTH);
        $identities = $this->getIdentities();
        if (!isset($identities[$user])) {
            return false;
        }
        $token = $identities[$user];
        $signer = new self($this->cache);
        $signer->setIdentities([$user => $token]);
        return $signature === $signer->sign($value);
    }
    public static function generateToken()
    {
        $token = '';
        for ($i = 0; $i < self::AUTO_TOKEN_SIZE; $i++) {
            $token .= chr(mt_rand(33, 126));
        }
        return $token;
    }
    private function getIdentities()
    {
        if (!isset($this->identities)) {
            $token = $this->cache->get('security-token', function () {
                return self::generateToken();
            });
            $this->identities = ['' => $token];
        }
        return $this->identities;
    }
}
namespace Kibo\Phast\Security;

class ServiceSignatureFactory
{
    public function make(array $config)
    {
        $cache = new \Kibo\Phast\Cache\File\Cache($config['cache'], 'signature');
        $signature = new \Kibo\Phast\Security\ServiceSignature($cache);
        if (isset($config['securityToken'])) {
            $signature->setIdentities($config['securityToken']);
        }
        return $signature;
    }
}
namespace Kibo\Phast\Exceptions;

class LogicException extends \LogicException
{
}
namespace Kibo\Phast\Exceptions;

class RuntimeException extends \RuntimeException
{
}
namespace Kibo\Phast\Exceptions;

class CachedExceptionException extends \Exception
{
}
namespace Kibo\Phast\Exceptions;

class ItemNotFoundException extends \Exception
{
    /**
     * @var URL
     */
    private $url;
    public function __construct($message = '', $code = 0, \Throwable $previous = null, \Kibo\Phast\ValueObjects\URL $failed = null)
    {
        parent::__construct($message, $code, $previous);
        $this->url = $failed;
    }
    /**
     * @return URL
     */
    public function getUrl()
    {
        return $this->url;
    }
}
namespace Kibo\Phast\Exceptions;

class UnauthorizedException extends \Exception
{
}
namespace Kibo\Phast\Exceptions;

class UndefinedObjectifiedFunction extends \RuntimeException
{
}
namespace JSMin;

class UnterminatedCommentException extends \Exception
{
}
namespace JSMin;

class UnterminatedRegExpException extends \Exception
{
}
namespace JSMin;

/**
 * JSMin.php - modified PHP implementation of Douglas Crockford's JSMin.
 *
 * <code>
 * $minifiedJs = JSMin::minify($js);
 * </code>
 *
 * This is a modified port of jsmin.c. Improvements:
 *
 * Does not choke on some regexp literals containing quote characters. E.g. /'/
 *
 * Spaces are preserved after some add/sub operators, so they are not mistakenly
 * converted to post-inc/dec. E.g. a + ++b -> a+ ++b
 *
 * Preserves multi-line comments that begin with /*!
 *
 * PHP 5 or higher is required.
 *
 * Permission is hereby granted to use this version of the library under the
 * same terms as jsmin.c, which has the following license:
 *
 * --
 * Copyright (c) 2002 Douglas Crockford  (www.crockford.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * The Software shall be used for Good, not Evil.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * --
 *
 * @package JSMin
 * @author Ryan Grove <ryan@wonko.com> (PHP port)
 * @author Steve Clay <steve@mrclay.org> (modifications + cleanup)
 * @author Andrea Giammarchi <http://www.3site.eu> (spaceBeforeRegExp)
 * @copyright 2002 Douglas Crockford <douglas@crockford.com> (jsmin.c)
 * @copyright 2008 Ryan Grove <ryan@wonko.com> (PHP port)
 * @license http://opensource.org/licenses/mit-license.php MIT License
 * @link http://code.google.com/p/jsmin-php/
 */
class JSMin
{
    const ACTION_KEEP_A = 1;
    const ACTION_DELETE_A = 2;
    const ACTION_DELETE_A_B = 3;
    protected $a = "\n";
    protected $b = '';
    protected $input = '';
    protected $inputIndex = 0;
    protected $inputLength = 0;
    protected $lookAhead = null;
    protected $output = '';
    protected $lastByteOut = '';
    protected $keptComment = '';
    /**
     * Minify Javascript.
     *
     * @param string $js Javascript to be minified
     *
     * @return string
     */
    public static function minify($js)
    {
        $jsmin = new \JSMin\JSMin($js);
        return $jsmin->min();
    }
    /**
     * @param string $input
     */
    public function __construct($input)
    {
        $this->input = $input;
    }
    /**
     * Perform minification, return result
     *
     * @return string
     */
    public function min()
    {
        if ($this->output !== '') {
            // min already run
            return $this->output;
        }
        $mbIntEnc = null;
        if (function_exists('mb_strlen') && (int) ini_get('mbstring.func_overload') & 2) {
            $mbIntEnc = mb_internal_encoding();
            mb_internal_encoding('8bit');
        }
        if (isset($this->input[0]) && $this->input[0] === "\357") {
            $this->input = substr($this->input, 3);
        }
        $this->input = str_replace("\r\n", "\n", $this->input);
        $this->inputLength = strlen($this->input);
        $this->action(self::ACTION_DELETE_A_B);
        while ($this->a !== null) {
            // determine next command
            $command = self::ACTION_KEEP_A;
            // default
            if ($this->isWhiteSpace($this->a)) {
                if (($this->lastByteOut === '+' || $this->lastByteOut === '-') && $this->b === $this->lastByteOut) {
                    // Don't delete this space. If we do, the addition/subtraction
                    // could be parsed as a post-increment
                } elseif (!$this->isAlphaNum($this->b)) {
                    $command = self::ACTION_DELETE_A;
                }
            } elseif ($this->isLineTerminator($this->a)) {
                if ($this->isWhiteSpace($this->b)) {
                    $command = self::ACTION_DELETE_A_B;
                    // in case of mbstring.func_overload & 2, must check for null b,
                    // otherwise mb_strpos will give WARNING
                } elseif ($this->b === null || false === strpos('{[(+-!~', $this->b) && !$this->isAlphaNum($this->b)) {
                    $command = self::ACTION_DELETE_A;
                }
            } elseif (!$this->isAlphaNum($this->a)) {
                if ($this->isWhiteSpace($this->b) || $this->isLineTerminator($this->b) && false === strpos('}])+-"\'', $this->a)) {
                    $command = self::ACTION_DELETE_A_B;
                }
            }
            $this->action($command);
        }
        $this->output = trim($this->output);
        if ($mbIntEnc !== null) {
            mb_internal_encoding($mbIntEnc);
        }
        return $this->output;
    }
    /**
     * ACTION_KEEP_A = Output A. Copy B to A. Get the next B.
     * ACTION_DELETE_A = Copy B to A. Get the next B.
     * ACTION_DELETE_A_B = Get the next B.
     *
     * @param int $command
     * @throws UnterminatedRegExpException|UnterminatedStringException
     */
    protected function action($command)
    {
        // make sure we don't compress "a + ++b" to "a+++b", etc.
        if ($command === self::ACTION_DELETE_A_B && $this->b === ' ' && ($this->a === '+' || $this->a === '-')) {
            // Note: we're at an addition/substraction operator; the inputIndex
            // will certainly be a valid index
            if ($this->input[$this->inputIndex] === $this->a) {
                // This is "+ +" or "- -". Don't delete the space.
                $command = self::ACTION_KEEP_A;
            }
        }
        switch ($command) {
            case self::ACTION_KEEP_A:
                // 1
                $this->output .= $this->a;
                if ($this->keptComment) {
                    $this->output = rtrim($this->output, "\n");
                    $this->output .= $this->keptComment;
                    $this->keptComment = '';
                }
                $this->lastByteOut = $this->a;
            // fallthrough intentional
            case self::ACTION_DELETE_A:
                // 2
                $this->a = $this->b;
                if ($this->a === "'" || $this->a === '"' || $this->a === '`') {
                    // string/template literal
                    $delimiter = $this->a;
                    $str = $this->a;
                    // in case needed for exception
                    for (;;) {
                        $this->output .= $this->a;
                        $this->lastByteOut = $this->a;
                        $this->a = $this->get();
                        if ($this->a === $this->b) {
                            // end quote
                            break;
                        }
                        if ($delimiter === '`' && $this->isLineTerminator($this->a)) {
                            // leave the newline
                        } elseif ($this->isEOF($this->a)) {
                            $byte = $this->inputIndex - 1;
                            throw new \JSMin\UnterminatedStringException("JSMin: Unterminated String at byte {$byte}: {$str}");
                        }
                        $str .= $this->a;
                        if ($this->a === '\\') {
                            $this->output .= $this->a;
                            $this->lastByteOut = $this->a;
                            $this->a = $this->get();
                            $str .= $this->a;
                        }
                    }
                }
            // fallthrough intentional
            case self::ACTION_DELETE_A_B:
                // 3
                $this->b = $this->next();
                if ($this->b === '/' && $this->isRegexpLiteral()) {
                    $this->output .= $this->a . $this->b;
                    $pattern = '/';
                    // keep entire pattern in case we need to report it in the exception
                    for (;;) {
                        $this->a = $this->get();
                        $pattern .= $this->a;
                        if ($this->a === '[') {
                            for (;;) {
                                $this->output .= $this->a;
                                $this->a = $this->get();
                                $pattern .= $this->a;
                                if ($this->a === ']') {
                                    break;
                                }
                                if ($this->a === '\\') {
                                    $this->output .= $this->a;
                                    $this->a = $this->get();
                                    $pattern .= $this->a;
                                }
                                if ($this->isEOF($this->a)) {
                                    throw new \JSMin\UnterminatedRegExpException("JSMin: Unterminated set in RegExp at byte " . $this->inputIndex . ": {$pattern}");
                                }
                            }
                        }
                        if ($this->a === '/') {
                            // end pattern
                            break;
                            // while (true)
                        } elseif ($this->a === '\\') {
                            $this->output .= $this->a;
                            $this->a = $this->get();
                            $pattern .= $this->a;
                        } elseif ($this->isEOF($this->a)) {
                            $byte = $this->inputIndex - 1;
                            throw new \JSMin\UnterminatedRegExpException("JSMin: Unterminated RegExp at byte {$byte}: {$pattern}");
                        }
                        $this->output .= $this->a;
                        $this->lastByteOut = $this->a;
                    }
                    $this->b = $this->next();
                }
        }
    }
    /**
     * @return bool
     */
    protected function isRegexpLiteral()
    {
        if (false !== strpos("(,=:[!&|?+-~*{;", $this->a)) {
            // we can't divide after these tokens
            return true;
        }
        // check if first non-ws token is "/" (see starts-regex.js)
        $length = strlen($this->output);
        if ($this->isWhiteSpace($this->a) || $this->isLineTerminator($this->a)) {
            if ($length < 2) {
                // weird edge case
                return true;
            }
        }
        // if the "/" follows a keyword, it must be a regexp, otherwise it's best to assume division
        $subject = $this->output . trim($this->a);
        if (!preg_match('/(?:case|else|in|return|typeof)$/', $subject, $m)) {
            // not a keyword
            return false;
        }
        // can't be sure it's a keyword yet (see not-regexp.js)
        $charBeforeKeyword = substr($subject, 0 - strlen($m[0]) - 1, 1);
        if ($this->isAlphaNum($charBeforeKeyword)) {
            // this is really an identifier ending in a keyword, e.g. "xreturn"
            return false;
        }
        // it's a regexp. Remove unneeded whitespace after keyword
        if ($this->isWhiteSpace($this->a) || $this->isLineTerminator($this->a)) {
            $this->a = '';
        }
        return true;
    }
    /**
     * Return the next character from stdin. Watch out for lookahead. If the character is a control character,
     * translate it to a space or linefeed.
     *
     * @return string
     */
    protected function get()
    {
        $c = $this->lookAhead;
        $this->lookAhead = null;
        if ($c === null) {
            // getc(stdin)
            if ($this->inputIndex < $this->inputLength) {
                $c = $this->input[$this->inputIndex];
                $this->inputIndex += 1;
            } else {
                $c = null;
            }
        }
        if ($c === "\r") {
            return "\n";
        }
        return $c;
    }
    /**
     * Does $a indicate end of input?
     *
     * @param string $a
     * @return bool
     */
    protected function isEOF($a)
    {
        return $a === null || $this->isLineTerminator($a);
    }
    /**
     * Get next char (without getting it). If is ctrl character, translate to a space or newline.
     *
     * @return string
     */
    protected function peek()
    {
        $this->lookAhead = $this->get();
        return $this->lookAhead;
    }
    /**
     * Return true if the character is a letter, digit, underscore, dollar sign, or non-ASCII character.
     *
     * @param string $c
     *
     * @return bool
     */
    protected function isAlphaNum($c)
    {
        return preg_match('/^[a-z0-9A-Z_\\$\\\\]$/', $c) || ord($c) > 126;
    }
    /**
     * Consume a single line comment from input (possibly retaining it)
     */
    protected function consumeSingleLineComment()
    {
        $comment = '';
        while (true) {
            $get = $this->get();
            $comment .= $get;
            if ($this->isEOF($get)) {
                // if IE conditional comment
                if (preg_match('/^\\/@(?:cc_on|if|elif|else|end)\\b/', $comment)) {
                    $this->keptComment .= "/{$comment}";
                }
                return;
            }
        }
    }
    /**
     * Consume a multiple line comment from input (possibly retaining it)
     *
     * @throws UnterminatedCommentException
     */
    protected function consumeMultipleLineComment()
    {
        $this->get();
        $comment = '';
        for (;;) {
            $get = $this->get();
            if ($get === '*') {
                if ($this->peek() === '/') {
                    // end of comment reached
                    $this->get();
                    if (0 === strpos($comment, '!')) {
                        // preserved by YUI Compressor
                        if (!$this->keptComment) {
                            // don't prepend a newline if two comments right after one another
                            $this->keptComment = "\n";
                        }
                        $this->keptComment .= "/*!" . substr($comment, 1) . "*/\n";
                    } else {
                        if (preg_match('/^@(?:cc_on|if|elif|else|end)\\b/', $comment)) {
                            // IE conditional
                            $this->keptComment .= "/*{$comment}*/";
                        }
                    }
                    return;
                }
            } elseif ($get === null) {
                throw new \JSMin\UnterminatedCommentException("JSMin: Unterminated comment at byte {$this->inputIndex}: /*{$comment}");
            }
            $comment .= $get;
        }
    }
    /**
     * Get the next character, skipping over comments. Some comments may be preserved.
     *
     * @return string
     */
    protected function next()
    {
        $get = $this->get();
        if ($get === '/') {
            switch ($this->peek()) {
                case '/':
                    $this->consumeSingleLineComment();
                    $get = "\n";
                    break;
                case '*':
                    $this->consumeMultipleLineComment();
                    $get = ' ';
                    break;
            }
        }
        return $get;
    }
    protected function isWhiteSpace($s)
    {
        // https://www.ecma-international.org/ecma-262/#sec-white-space
        return $s !== null && strpos(" \t\v\f", $s) !== false;
    }
    protected function isLineTerminator($s)
    {
        // https://www.ecma-international.org/ecma-262/#sec-line-terminators
        return $s !== null && strpos("\n\r", $s) !== false;
    }
}
namespace JSMin;

class UnterminatedStringException extends \Exception
{
}
namespace Kibo\PhastPlugins\SDK;

/**
 * Provides commonly needed URLs
 *
 * Interface HostURLs
 * @see URL
 */
interface HostURLs
{
    /**
     * The URL at which static resource (JS, CSS, IMG)
     * optimizations reside
     *
     * @return URL
     */
    public function getServicesURL();
    /**
     * The full URL of the root of the current site
     *
     * @return URL
     */
    public function getSiteURL();
    /**
     * The CDN equivalent of a specified URL
     *
     * @return URL
     */
    public function getCDNURL(\Kibo\Phast\ValueObjects\URL $url);
    /**
     * URL of the admin page at which
     * the plugin's settings are located
     *
     * @return URL
     */
    public function getSettingsURL();
    /**
     * URL for admin panel AJAX communication
     *
     * @return URL
     */
    public function getAJAXEndPoint();
    /**
     * A URL to a publicly available image.
     *
     * @return URL
     */
    public function getTestImageURL();
}
namespace Kibo\PhastPlugins\SDK;

/**
 * Services container for the Phast Plugins Services SDK
 *
 * Class SDK
 */
class ServiceSDK
{
    /**
     * @var ServiceHost
     */
    protected $host;
    /**
     * @var EnvironmentIdentifier
     */
    private $environmentIdentifier;
    public function __construct(\Kibo\PhastPlugins\SDK\ServiceHost $host)
    {
        $this->host = $host;
        $this->environmentIdentifier = new \Kibo\PhastPlugins\SDK\Configuration\EnvironmentIdentifier();
    }
    public function getServiceAPI()
    {
        return new \Kibo\PhastPlugins\SDK\APIs\Service($this->getServiceConfiguration());
    }
    public function getServiceConfiguration()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\ServiceConfiguration($this->getPHPFilesServiceConfigurationRepository(), $this->getEnvironmentIdentifier(), $this->getCacheRootManager(), [$this->host, 'onServiceConfigurationLoad']);
    }
    public function getCacheRootManager()
    {
        return new \Kibo\PhastPlugins\SDK\Caching\CacheRootManager($this->host->getCacheRootCandidatesProvider());
    }
    /**
     * Returns a default implementation of the
     * ServiceConfigurationRepository interface
     *
     * @see ServiceConfigurationRepository
     * @return PHPFilesServiceConfigurationRepository
     */
    public function getPHPFilesServiceConfigurationRepository()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\PHPFilesServiceConfigurationRepository($this->getCacheRootManager());
    }
    public function getEnvironmentIdentifier()
    {
        return $this->environmentIdentifier;
    }
}
namespace Kibo\PhastPlugins\SDK;

/**
 * Services container for the Phast Plugins SDK
 *
 * Class SDK
 */
class SDK extends \Kibo\PhastPlugins\SDK\ServiceSDK
{
    /**
     * @var PluginHost
     */
    protected $host;
    /**
     * SDK constructor.
     * @param PluginHost $host
     */
    public function __construct(\Kibo\PhastPlugins\SDK\PluginHost $host)
    {
        parent::__construct($host);
    }
    /**
     * The current SDK version
     *
     * @return string
     */
    public function getSDKVersion()
    {
        return '8';
    }
    /**
     * The current plugin version.
     * Composed from the host plugin name,
     * the host plugin version
     * and the SDK version
     *
     * @return string
     */
    public function getPluginVersion()
    {
        return join('-', [$this->host->getPluginHostName(), $this->host->getPluginHostVersion(), $this->getSDKVersion()]);
    }
    /**
     * @return Phast
     */
    public function getPhastAPI()
    {
        return new \Kibo\PhastPlugins\SDK\APIs\Phast($this->getPhastConfiguration());
    }
    public function getAdminPanel()
    {
        return new \Kibo\PhastPlugins\SDK\AdminPanel\AdminPanel($this->host->getPhastUser(), $this->host->getHostURLs()->getAJAXEndPoint(), $this->getAdminPanelData(), $this->getTranslationsManager(), $this->host->isDev());
    }
    public function getAJAXRequestsDispatcher()
    {
        return new \Kibo\PhastPlugins\SDK\AJAX\RequestsDispatcher($this->host->getPhastUser(), $this);
    }
    public function getAdminPanelData()
    {
        return new \Kibo\PhastPlugins\SDK\AdminPanel\AdminPanelData($this->getPluginConfiguration(), $this->getServiceConfigurationGenerator(), $this->getPhastConfiguration(), $this->getCacheRootManager(), $this->host);
    }
    public function getInstallNotice()
    {
        return new \Kibo\PhastPlugins\SDK\AdminPanel\InstallNotice($this->getPluginConfiguration(), $this->host->getInstallNoticeRenderer(), $this->getTranslationsManager(), $this->host->getHostURLs()->getSettingsURL(), $this->host->getHostURLs()->getAJAXEndPoint());
    }
    public function getPluginConfiguration()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration($this->getPluginConfigurationRepository(), $this->getServiceConfigurationGenerator(), $this->getCacheRootManager(), $this->host->getPhastUser(), $this->host->getNonceChecker());
    }
    public function getPhastConfiguration()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\PhastConfiguration($this->getServiceConfigurationGenerator(), $this->getServiceConfiguration(), $this->getPluginConfiguration(), [$this->host, 'onPhastConfigurationLoad']);
    }
    public function getAutoConfiguration()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\AutoConfiguration($this->getPluginConfiguration(), $this->getPhastConfiguration(), $this->host->getHostURLs()->getServicesURL(), $this->host->getHostURLs()->getTestImageURL(), $this->host->getNonce(), $this->host->getHostURLs()->getAJAXEndPoint());
    }
    public function getTranslationsManager()
    {
        return new \Kibo\PhastPlugins\SDK\AdminPanel\TranslationsManager($this->host->getLocale(), $this->host->getPluginName());
    }
    private function getServiceConfigurationGenerator()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationGenerator($this->getPHPFilesServiceConfigurationRepository(), $this->getEnvironmentIdentifier(), $this->getPluginVersion(), $this->host->getHostURLs());
    }
    public function updatePreviewCookie($enable = true)
    {
        if (headers_sent()) {
            return false;
        }
        $enabled = isset($_COOKIE['PHAST_PREVIEW']) && (bool) $_COOKIE['PHAST_PREVIEW'];
        if (!$enabled && $enable) {
            return setcookie('PHAST_PREVIEW', '1', 0, '/');
        }
        if ($enabled && !$enable) {
            return setcookie('PHAST_PREVIEW', '0', 0, '/');
        }
        return true;
    }
    private function getPluginConfigurationRepository()
    {
        return new \Kibo\PhastPlugins\SDK\Configuration\PluginConfigurationRepository($this->host->getKeyValueStore());
    }
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

/**
 * Represents the data that needs to be send
 * to the plugin's admin panel
 *
 * Class AdminPanelData
 */
class AdminPanelData
{
    /**
     * @var PluginConfiguration
     */
    private $pluginConfig;
    /**
     * @var ServiceConfigurationGenerator
     */
    private $serviceConfigGenerator;
    /**
     * @var PhastConfiguration
     */
    private $phastConfig;
    /**
     * @var CacheRootManager
     */
    private $cacheRootManager;
    /**
     * @var PluginHost
     */
    private $host;
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $pluginConfig, \Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationGenerator $serviceConfigGenerator, \Kibo\PhastPlugins\SDK\Configuration\PhastConfiguration $phastConfig, \Kibo\PhastPlugins\SDK\Caching\CacheRootManager $cacheRootManager, \Kibo\PhastPlugins\SDK\PluginHost $host)
    {
        $this->pluginConfig = $pluginConfig;
        $this->serviceConfigGenerator = $serviceConfigGenerator;
        $this->phastConfig = $phastConfig;
        $this->cacheRootManager = $cacheRootManager;
        $this->host = $host;
    }
    public function get()
    {
        $siteUrl = $this->host->getHostURLs()->getSiteURL();
        $urlWithPhast = $this->addQueryParam($siteUrl, 'phast', 'phast');
        $urlWithoutPhast = $this->addQueryParam($siteUrl, 'phast', '-phast');
        $pageSpeedToolUrl = 'https://developers.google.com/speed/pagespeed/insights/?url=';
        $errors = [];
        if (!$this->cacheRootManager->hasCacheRoot()) {
            $errors[] = ['type' => 'no-cache-root', 'params' => $this->cacheRootManager->getCacheRootCandidates()];
        }
        if (!$this->serviceConfigGenerator->generateIfNotExists($this->pluginConfig)) {
            $errors[] = ['type' => 'no-service-config', 'params' => $this->cacheRootManager->getCacheRootCandidates()];
        }
        $warnings = [];
        $api_client_warning = [];
        $phast_config = $this->phastConfig->get();
        $diagnostics = new \Kibo\Phast\Diagnostics\SystemDiagnostics();
        foreach ($diagnostics->run($phast_config) as $status) {
            if ($status->isAvailable()) {
                continue;
            }
            $package = $status->getPackage();
            $type = $package->getType();
            if ($type == 'Cache') {
                $errors[] = ['type' => 'cache', 'params' => [$status->getReason()]];
            } elseif ($type == 'ImageFilter') {
                $name = substr($package->getNamespace(), strrpos($package->getNamespace(), '\\') + 1);
                if ($name === 'ImageAPIClient') {
                    $api_client_warning[] = 'Image optimization API error: ' . $status->getReason();
                } else {
                    $warnings[] = $status->getReason();
                }
            }
        }
        $phastpress_config = $this->pluginConfig->get();
        if ($phastpress_config['img-optimization-api']) {
            $warnings = $api_client_warning;
        }
        $nonce = $this->host->getNonce();
        return ['config' => $phastpress_config, 'settingsStrings' => ['urlWithPhast' => $pageSpeedToolUrl . rawurlencode($urlWithPhast), 'urlWithoutPhast' => $pageSpeedToolUrl . rawurlencode($urlWithoutPhast), 'maxImageWidth' => 1920 * 2, 'maxImageHeight' => 1080 * 2], 'errors' => $errors, 'warnings' => $warnings, 'nonce' => $nonce->getValue(), 'nonceName' => $nonce->getFieldName(), 'pluginName' => $this->host->getPluginName(), 'pluginVersion' => $this->host->getPluginHostVersion()];
    }
    private function addQueryParam(\Kibo\Phast\ValueObjects\URL $url, $key, $value)
    {
        // TODO: Move this functionality to URL class
        $urlStr = (string) $url;
        $glue = strpos($urlStr, '?') === false ? '?' : '&';
        return $urlStr . $glue . $key . '=' . $value;
    }
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

/**
 * Represents an installation notice
 * displayed everywhere in the host system's admin panel
 * upon plugin activation.
 *
 * Class InstallNotice
 */
class InstallNotice
{
    /**
     * @var PluginConfiguration
     */
    private $config;
    /**
     * @var InstallNoticeRenderer
     */
    private $renderer;
    /**
     * @var TranslationsManager
     */
    private $translations;
    /**
     * @var URL
     */
    private $settingsUrl;
    /**
     * @var URL
     */
    private $ajaxEntryPoint;
    /**
     * InstallNotice constructor.
     * @param PluginConfiguration $config
     * @param InstallNoticeRenderer $renderer
     * @param TranslationsManager $translations
     * @param URL $settingsUrl
     * @param URL $ajaxEndPoint
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $config, \Kibo\PhastPlugins\SDK\AdminPanel\InstallNoticeRenderer $renderer, \Kibo\PhastPlugins\SDK\AdminPanel\TranslationsManager $translations, \Kibo\Phast\ValueObjects\URL $settingsUrl, \Kibo\Phast\ValueObjects\URL $ajaxEndPoint)
    {
        $this->config = $config;
        $this->renderer = $renderer;
        $this->translations = $translations;
        $this->settingsUrl = $settingsUrl;
        $this->ajaxEntryPoint = $ajaxEndPoint;
    }
    /**
     * @return string The HTML to render the notice
     */
    public function render()
    {
        $display_message = $this->config->shouldShowActivationNotification();
        if (!$display_message) {
            return '';
        }
        $config = $this->config->get();
        if ($config['enabled'] && $config['admin-only']) {
            $status = 'Backend.status.admin';
        } elseif ($config['enabled']) {
            $status = 'Backend.status.on';
        } else {
            $status = 'Backend.status.off';
        }
        $message = $this->translations->get('Backend.install-notice', ['pluginState' => $this->translations->get($status), 'settingsUrl' => (string) $this->settingsUrl]);
        $onCloseFunction = "\n            function () {\n              var data = new FormData();\n              data.append('phast-plugins-action', 'dismiss-notice')\n              var xhr = new XMLHttpRequest();\n              xhr.open('POST', '{$this->ajaxEntryPoint}')\n              xhr.send(data)\n            }\n        ";
        return $this->renderer->render($message, $onCloseFunction);
    }
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

interface InstallNoticeRenderer
{
    /**
     * Renders a system notice.
     *
     * @param string $notice The message to show in the notice
     * @param string $onCloseJSFunction JavaScript function to call on the client when
     *     an event that closes the notice occurs.
     * @return string HTML for the notice
     * @see InstallNotice
     */
    public function render($notice, $onCloseJSFunction);
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

/**
 * Represents a nonce form field used XSS defense
 *
 * Class Nonce
 */
class Nonce implements \JsonSerializable
{
    /**
     * @var string
     */
    private $fieldName;
    /**
     * @var string
     */
    private $value;
    private function __construct()
    {
    }
    /**
     * @param string $fieldName The name of the field in the form
     * @param string $value The value of the field
     * @return Nonce
     */
    public static function make($fieldName, $value)
    {
        $instance = new self();
        $instance->fieldName = $fieldName;
        $instance->value = $value;
        return $instance;
    }
    /**
     * @return string
     */
    public function getFieldName()
    {
        return $this->fieldName;
    }
    /**
     * @return string
     */
    public function getValue()
    {
        return $this->value;
    }
    public function jsonSerialize()
    {
        return ['fieldName' => $this->fieldName, 'value' => $this->value];
    }
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

/**
 * Represents the admin panel used for plugin configuration.
 * Use this class for rendering the admin panel of the plugin.
 *
 * Class AdminPanel
 */
class AdminPanel
{
    /**
     * @var PhastUser
     */
    private $user;
    /**
     * @var URL
     */
    private $ajaxEndPoint;
    /**
     * @var AdminPanelData
     */
    private $data;
    /**
     * @var TranslationsManager
     */
    private $translations;
    private $isDev = 'prod';
    private $styles = array('prod' => array('app.css'), 'dev' => array());
    private $scripts = array('prod' => array('manifest.js', 'vendor.js', 'babel-polyfill.js', 'app.js'), 'dev' => array('http://localhost:25903/babel-polyfill.js', 'http://localhost:25903/app.js'));
    /**
     * AdminPanel constructor.
     * @param PhastUser $user
     * @param URL $ajaxEndPoint
     * @param AdminPanelData $data
     * @param TranslationsManager $translations
     * @param bool $isDev
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Security\PhastUser $user, \Kibo\Phast\ValueObjects\URL $ajaxEndPoint, \Kibo\PhastPlugins\SDK\AdminPanel\AdminPanelData $data, \Kibo\PhastPlugins\SDK\AdminPanel\TranslationsManager $translations, $isDev)
    {
        $this->user = $user;
        $this->ajaxEndPoint = $ajaxEndPoint;
        $this->data = $data;
        $this->translations = $translations;
        $this->isDev = (bool) $isDev;
    }
    /**
     * Returns the HTML needed to display the admin panel
     *
     * @return string
     */
    public function render()
    {
        if (!$this->user->mayModifySettings()) {
            return '';
        }
        $id = 'phast-plugins-sdk-admin-panel';
        $template = $this->getResourcesString();
        $template .= sprintf('
                <div id="%1$s"></div>
                <script>
                try {
                    window.PHAST_PLUGINS_SDK_ADMIN_PANEL.apply(window, %2$s)
                } catch (e) {
                    document.getElementById("%1$s").innerText = "Error: " + e.message
                    throw e
                }
                </script>
            ', $id, json_encode([$id, $this->ajaxEndPoint->toString(), $this->data->get(), $this->translations->getAll()]));
        return $template;
    }
    private function getResourcesString()
    {
        return $this->isDev ? $this->getDevResourcesString() : $this->getProdResources();
    }
    private function getProdResources()
    {
        $resources = '';
        $base = __DIR__ . '/static/';
        $cssBase = $base . 'css/';
        foreach ($this->styles['prod'] as $style) {
            $resources .= '<style>' . file_get_contents($cssBase . $style) . '</style>';
        }
        $jsBase = $base . 'js/';
        foreach ($this->scripts['prod'] as $script) {
            $resources .= '<script>' . file_get_contents($jsBase . $script) . '</script>';
        }
        return $resources;
    }
    private function getDevResourcesString()
    {
        $resources = '';
        foreach ($this->styles['dev'] as $href) {
            $resources .= "<link rel=\"stylesheet\" href=\"{$href}\">";
        }
        foreach ($this->scripts['dev'] as $src) {
            $resources .= "<script src=\"{$src}\"></script>";
        }
        return $resources;
    }
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

class TranslationsManager
{
    const DEFAULT_LOCALE = 'en';
    /**
     * @var string
     */
    private $locale;
    /**
     * @var string
     */
    private $pluginName;
    /**
     * @var string
     */
    private $languagesDir;
    /**
     * @var array
     */
    private $modules = array();
    public function __construct($locale, $pluginName)
    {
        $data = \Kibo\PhastPlugins\SDK\Generated\Translations::DATA;
        if (isset($data[$this->locale])) {
            $this->locale = $locale;
        } else {
            $this->locale = self::DEFAULT_LOCALE;
        }
        $this->pluginName = $pluginName;
    }
    public function getAll()
    {
        return array_merge(['plugin-name' => $this->pluginName], \Kibo\PhastPlugins\SDK\Generated\Translations::DATA[$this->locale]);
    }
    public function get($key, $interpolationArguments = array())
    {
        $keyParts = explode('.', $key);
        $transArr = \Kibo\PhastPlugins\SDK\Generated\Translations::DATA[$this->locale];
        while (count($keyParts) > 0) {
            $part = array_shift($keyParts);
            if (!isset($transArr[$part])) {
                return $key;
            }
            $transArr = $transArr[$part];
        }
        if (is_string($transArr)) {
            return $this->interpolate($transArr, $interpolationArguments);
        }
        return $key;
    }
    private function interpolate($string, $arguments)
    {
        $keys = array_map(function ($str) {
            return '{' . $str . '}';
        }, array_keys($arguments));
        $params = array_combine($keys, array_values($arguments));
        $params['@:plugin-name'] = $this->pluginName;
        return strtr($string, $params);
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * Represents the javascript used
 * for auto-configuration done
 * immediately after activation of the plugin.
 *
 * Class AutoConfiguration
 */
class AutoConfiguration
{
    /**
     * @var PluginConfiguration
     */
    private $pluginConfig;
    /**
     * @var PhastConfiguration
     */
    private $phastConfig;
    /**
     * @var URL
     */
    private $servicesUrl;
    /**
     * @var URL
     */
    private $testImageUrl;
    /**
     * @var Nonce
     */
    private $nonce;
    /**
     * @var URL
     */
    private $ajaxEndPoint;
    /**
     * AutoConfiguration constructor.
     * @param PluginConfiguration $pluginConfig
     * @param PhastConfiguration $phastConfig
     * @param URL $servicesUrl
     * @param URL $testImageUrl
     * @param Nonce $nonce
     * @param URL $ajaxEndPoint
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $pluginConfig, \Kibo\PhastPlugins\SDK\Configuration\PhastConfiguration $phastConfig, \Kibo\Phast\ValueObjects\URL $servicesUrl, \Kibo\Phast\ValueObjects\URL $testImageUrl, \Kibo\PhastPlugins\SDK\AdminPanel\Nonce $nonce, \Kibo\Phast\ValueObjects\URL $ajaxEndPoint)
    {
        $this->pluginConfig = $pluginConfig;
        $this->phastConfig = $phastConfig;
        $this->servicesUrl = $servicesUrl;
        $this->testImageUrl = $testImageUrl;
        $this->nonce = $nonce;
        $this->ajaxEndPoint = $ajaxEndPoint;
    }
    /**
     * Returns the script that needs to rendered
     * in order for the script to get executed.
     *
     * @return string
     */
    public function renderScript()
    {
        if (!$this->pluginConfig->shouldAutoConfigure()) {
            return '';
        }
        $config = \Kibo\Phast\Environment\Configuration::fromDefaults()->withUserConfiguration(new \Kibo\Phast\Environment\Configuration($this->phastConfig->get()))->getRuntimeConfig()->toArray();
        $signature = (new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config);
        $service_image_url = (new \Kibo\Phast\Services\ServiceRequest())->withUrl($this->servicesUrl)->withParams(['service' => 'images', 'src' => (string) $this->testImageUrl])->sign($signature)->serialize(\Kibo\Phast\Services\ServiceRequest::FORMAT_PATH);
        $nonce = json_encode($this->nonce);
        return '<script>(function (imageUrl, nonce, ajaxEndPoint) {' . "var logPrefix=\"[Phast autoconfiguration]\";var imageRequest=new XMLHttpRequest;imageRequest.open(\"GET\",imageUrl);imageRequest.onload=function(){var a=imageRequest.status>=200&&imageRequest.status<300;console.log(logPrefix,\"Got status\",imageRequest.status,\"which is\",a?\"successful\":\"unsuccessful\");configureRequestsFormat(a)};imageRequest.onerror=function(){console.log(logPrefix,\"Got error\");configureRequestsFormat(false)};imageRequest.ontimeout=function(){console.log(logPrefix,\"Request timed out\");configureRequestsFormat(false)};console.log(logPrefix,\"Requesting testing image through Phast service\");console.log(logPrefix,\"URL:\",imageUrl);imageRequest.send();function configureRequestsFormat(b){console.log(logPrefix,\"Configuring Phast with path info\",b?\"on\":\"off\");var c=new FormData;c.append(\"phast-plugins-action\",\"save-settings\");c.append(\"phastpress-pathinfo-query-format\",b?\"on\":\"off\");c.append(nonce.fieldName,nonce.value);var d=new XMLHttpRequest;d.open(\"POST\",ajaxEndPoint);d.responseType=\"json\";d.addEventListener(\"load\",function(){var e=d.response;if(typeof e===\"object\"&&e[\"phast-success\"]===true){console.log(logPrefix,\"Successfully autoconfigured! Dispatching event!\");var f=new CustomEvent(\"phast-auto-config\",{detail:e[\"phast-data\"]});window.dispatchEvent(f)}});d.send(c)}\n" . "})('{$service_image_url}', {$nonce}, '{$this->ajaxEndPoint}')</script>";
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

class ServiceConfigurationGenerator
{
    /**
     * @var ServiceConfigurationRepository
     */
    private $repository;
    /**
     * @var EnvironmentIdentifier
     */
    private $environmentIdentifier;
    /**
     * @var URL
     */
    private $servicesUrl;
    /**
     * @var URL
     */
    private $cdnServicesUrl;
    /**
     * @var string
     */
    private $pluginVersion;
    /**
     * @var string
     */
    private $cdnHost;
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationRepository $repository, \Kibo\PhastPlugins\SDK\Configuration\EnvironmentIdentifier $environmentIdentifier, $pluginVersion, \Kibo\PhastPlugins\SDK\HostURLs $hostUrls)
    {
        $this->repository = $repository;
        $this->environmentIdentifier = $environmentIdentifier;
        $this->pluginVersion = $pluginVersion;
        $this->servicesUrl = $hostUrls->getServicesURL();
        $this->cdnServicesUrl = $hostUrls->getCDNURL($hostUrls->getServicesURL());
        $this->cdnHost = $hostUrls->getCDNURL($hostUrls->getSiteURL())->getHost();
    }
    public function generateIfNotExists(\Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $pluginConfig)
    {
        if (!$this->repository->has()) {
            return $this->generate($pluginConfig);
        }
        $config = $this->repository->get();
        $envId = $this->environmentIdentifier->getValue();
        if (empty($config['plugin_version']) || $config['plugin_version'] != $this->pluginVersion || empty($config['alternativeServicesUrls'][$envId]) || $config['alternativeServicesUrls'][$envId] != $this->getServicesURLString($pluginConfig)) {
            return $this->generate($pluginConfig);
        }
        return true;
    }
    public function generate(\Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $pluginConfig)
    {
        $previousConfig = $this->repository->get();
        $plugin_config = $pluginConfig->get();
        $plugin_version = $this->pluginVersion;
        $config = ['plugin_version' => $plugin_version, 'servicesUrl' => $this->getServicesURLString($pluginConfig), 'securityToken' => empty($previousConfig['securityToken']) ? \Kibo\Phast\Security\ServiceSignature::generateToken() : $previousConfig['securityToken'], 'images' => ['filters' => [\Kibo\Phast\Filters\Image\ImageAPIClient\Filter::class => ['enabled' => $plugin_config['img-optimization-api'], 'plugin-version' => $plugin_version]]], 'styles' => ['filters' => [\Kibo\Phast\Filters\CSS\ImageURLRewriter\Filter::class => ['enabled' => $plugin_config['img-optimization-css']]]], 'serviceRequestFormat' => $plugin_config['pathinfo-query-format'] ? \Kibo\Phast\Services\ServiceRequest::FORMAT_PATH : \Kibo\Phast\Services\ServiceRequest::FORMAT_QUERY, 'compressServiceResponse' => isset($plugin_config['compress-service-response']) ? !!$plugin_config['compress-service-response'] : true, 'cdnHost' => $this->cdnHost];
        if (isset($previousConfig['alternativeServicesUrls'])) {
            $config['alternativeServicesUrls'] = $previousConfig['alternativeServicesUrls'];
        } else {
            $config['alternativeServicesUrls'] = [];
        }
        $id = $this->environmentIdentifier->getValue();
        unset($config['alternativeServicesUrls'][$id]);
        $config['alternativeServicesUrls'][$id] = $this->getServicesURLString($pluginConfig);
        $config['alternativeServicesUrls'] = array_slice($config['alternativeServicesUrls'], -1000);
        return $this->repository->store($config);
    }
    private function getServicesURLString(\Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $pluginConfig)
    {
        $plugin_config = $pluginConfig->get();
        if ($plugin_config['pathinfo-query-format']) {
            return (string) $this->cdnServicesUrl;
        }
        return (string) $this->servicesUrl;
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * Represents the configuration
 * that needs to be passed to be returned
 * by the callback passed to
 * \Kibo\Phast\PhastServices::serve()
 *
 * @see \Kibo\Phast\PhastServices::serve()
 * Class ServiceConfiguration
 */
class ServiceConfiguration
{
    /**
     * @var ServiceConfigurationRepository
     */
    private $repository;
    /**
     * @var EnvironmentIdentifier
     */
    private $environmentIdentifier;
    /**
     * @var CacheRootManager
     */
    private $cacheRootManager;
    /**
     * @var callable
     */
    private $onLoadCb;
    /**
     * ServiceConfiguration constructor.
     * @param ServiceConfigurationRepository $repository
     * @param CacheRootManager $cacheRootManager
     * @param callable $onLoadCb
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationRepository $repository, \Kibo\PhastPlugins\SDK\Configuration\EnvironmentIdentifier $environmentIdentifier, \Kibo\PhastPlugins\SDK\Caching\CacheRootManager $cacheRootManager, callable $onLoadCb)
    {
        $this->repository = $repository;
        $this->environmentIdentifier = $environmentIdentifier;
        $this->cacheRootManager = $cacheRootManager;
        $this->onLoadCb = $onLoadCb;
    }
    /**
     * Returns the configuration as config
     *
     * @return array|bool|mixed
     */
    public function get()
    {
        $config = $this->repository->get();
        $envId = $this->environmentIdentifier->getValue();
        if (isset($config['alternativeServicesUrls'][$envId])) {
            $config['servicesUrl'] = $config['alternativeServicesUrls'][$envId];
        }
        if (!empty($config['cdnHost'])) {
            $config['retrieverMap'][$config['cdnHost']] = \Kibo\Phast\HTTP\Request::fromGlobals()->getDocumentRoot();
        }
        $config['cache'] = ['cacheRoot' => $this->cacheRootManager->getCacheRoot()];
        $apiFilterName = \Kibo\Phast\Filters\Image\ImageAPIClient\Filter::class;
        $api_enabled = $config['images']['filters'][$apiFilterName]['enabled'];
        if (!$api_enabled) {
            unset($config['images']['filters'][$apiFilterName]);
            return call_user_func($this->onLoadCb, $config);
        }
        $config['images']['filters'][$apiFilterName]['host-name'] = $_SERVER['HTTP_HOST'];
        $config['images']['filters'][$apiFilterName]['request-uri'] = $_SERVER['REQUEST_URI'];
        $config['images']['filters'][$apiFilterName]['api-url'] = 'https://optimize.phast.io/?service=images';
        return call_user_func($this->onLoadCb, $config);
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

class EnvironmentIdentifier
{
    private $value;
    public function __construct()
    {
        $this->value = sprintf('%s://%s%s', empty($_SERVER['HTTPS']) ? 'http' : 'https', empty($_SERVER['HTTP_HOST']) ? '' : $_SERVER['HTTP_HOST'], empty($_SERVER['SERVER_PORT']) ? '' : ":{$_SERVER['SERVER_PORT']}");
    }
    public function getValue()
    {
        return $this->value;
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * Represents the configuration
 * that needs to be passed to
 * \Kibo\Phast\PhastDocumentFilters::deploy()
 * and
 * \Kibo\Phast\PhastDocumentFilters::apply()
 *
 * @see \Kibo\Phast\PhastDocumentFilters
 * Class PhastConfiguration
 */
class PhastConfiguration
{
    const SETTINGS_2_FILTERS = array('img-optimization-tags' => array(\Kibo\Phast\Filters\HTML\ImagesOptimizationService\Tags\Filter::class), 'img-optimization-css' => array(\Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS\Filter::class, \Kibo\Phast\Filters\CSS\ImageURLRewriter\Filter::class), 'img-lazy' => array(\Kibo\Phast\Filters\HTML\LazyImageLoading\Filter::class), 'css-optimization' => array(\Kibo\Phast\Filters\HTML\CSSInlining\Filter::class), 'scripts-defer' => array(\Kibo\Phast\Filters\HTML\ScriptsDeferring\Filter::class), 'scripts-proxy' => array(\Kibo\Phast\Filters\HTML\ScriptsProxyService\Filter::class), 'iframe-defer' => array(\Kibo\Phast\Filters\HTML\DelayedIFrameLoading\Filter::class), 'minify-html' => array(\Kibo\Phast\Filters\HTML\Minify\Filter::class), 'minify-inline-scripts' => array(\Kibo\Phast\Filters\HTML\MinifyScripts\Filter::class));
    /**
     * @var ServiceConfigurationGenerator
     */
    private $serviceConfigGenerator;
    /**
     * @var ServiceConfiguration
     */
    private $serviceConfig;
    /**
     * @var PluginConfiguration
     */
    private $pluginConfig;
    /**
     * @var callable
     */
    private $onLoadCb;
    /**
     * PhastConfiguration constructor.
     * @param ServiceConfigurationGenerator $serviceConfigGenerator
     * @param ServiceConfiguration $serviceConfig
     * @param PluginConfiguration $pluginConfig
     * @param callable $onLoadCb
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationGenerator $serviceConfigGenerator, \Kibo\PhastPlugins\SDK\Configuration\ServiceConfiguration $serviceConfig, \Kibo\PhastPlugins\SDK\Configuration\PluginConfiguration $pluginConfig, callable $onLoadCb)
    {
        $this->serviceConfigGenerator = $serviceConfigGenerator;
        $this->serviceConfig = $serviceConfig;
        $this->pluginConfig = $pluginConfig;
        $this->onLoadCb = $onLoadCb;
    }
    /**
     * Returns the configuration to use on full html documents as an array
     *
     * @return array|bool|mixed
     */
    public function getForDocuments()
    {
        list($phastConfig, $pluginConfig) = $this->getPhastAndPluginConfigs();
        foreach (array_keys(self::SETTINGS_2_FILTERS) as $setting) {
            $this->setSettingInPhastConfig($setting, $pluginConfig, $phastConfig);
        }
        return call_user_func($this->onLoadCb, $phastConfig);
    }
    public function getForHTMLSnippets()
    {
        list($phastConfig, $pluginConfig) = $this->getPhastAndPluginConfigs();
        $defaultConfig = \Kibo\Phast\Environment\Configuration::fromDefaults()->toArray();
        $allFilters = array_keys($defaultConfig['documents']['filters']);
        foreach ($allFilters as $filter) {
            $phastConfig['documents']['filters'][$filter]['enabled'] = false;
        }
        $this->setSettingInPhastConfig('img-optimization-tags', $pluginConfig, $phastConfig);
        $this->setSettingInPhastConfig('img-optimization-css', $pluginConfig, $phastConfig);
        $this->setSettingInPhastConfig('img-lazy', $pluginConfig, $phastConfig);
        $phastConfig['optimizeHTMLDocumentsOnly'] = false;
        $phastConfig['outputServerSideStats'] = false;
        return call_user_func($this->onLoadCb, $phastConfig);
    }
    private function getPhastAndPluginConfigs()
    {
        // TODO: Optimize so we do not read from the service config file a bunch of times
        $this->serviceConfigGenerator->generateIfNotExists($this->pluginConfig);
        $pluginConfig = $this->pluginConfig->get();
        $phastConfig = $this->serviceConfig->get();
        $phastConfig['documents']['filters'] = [];
        $phastConfig['switches']['phast'] = $phastConfig && $this->pluginConfig->shouldDeployFilters();
        return [$phastConfig, $pluginConfig];
    }
    private function setSettingInPhastConfig($settingName, $pluginConfig, &$phastConfig)
    {
        foreach (self::SETTINGS_2_FILTERS[$settingName] as $filterClass) {
            if (!class_exists($filterClass)) {
                throw new \LogicException("No such filter: {$filterClass}");
            }
            if (strpos($filterClass, \Kibo\Phast\Filters\HTML::class . '\\') === 0) {
                $object = 'documents';
            } elseif (strpos($filterClass, \Kibo\Phast\Filters\CSS::class . '\\') === 0) {
                $object = 'styles';
            } else {
                throw new \LogicException("Invalid filter namespace: {$filterClass}");
            }
            $phastConfig[$object]['filters'][$filterClass] = ['enabled' => $settingName];
            $phastConfig['switches'][$settingName] = $pluginConfig[$settingName];
        }
    }
    /**
     * Returns the configuration as an array
     *
     * @return array|bool|mixed
     * @deprecated  use PhastConfiguration::getForDocuments()
     */
    public function get()
    {
        return $this->getForDocuments();
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * Manages serialization of the phast service configuration.
 * Must be as fast as possible, having as little
 * dependency on the host system as possible (ideally - none).
 *
 * Interface ServiceConfigurationRepository
 */
interface ServiceConfigurationRepository
{
    /**
     * Store the given config
     *
     * @param array $config
     * @return bool TRUE on success, FALSE on failure
     */
    public function store(array $config);
    /**
     * Returns the previously stored config
     *
     * @return array|bool - The config on success or
     *      FALSE on failure or if no config has been stored
     */
    public function get();
    /**
     * Tells whether a config has been previously stored
     *
     * @return bool
     */
    public function has();
}
namespace Kibo\PhastPlugins\SDK\Configuration;

class PluginConfigurationRepository
{
    /**
     * @var KeyValueStore
     */
    private $store;
    /**
     * JSONKeyValueStore constructor.
     * @param KeyValueStore $store
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\KeyValueStore $store)
    {
        $this->store = $store;
    }
    /**
     * @param mixed $key
     * @param null $default
     * @return mixed|null
     */
    public function get($key, $default = null)
    {
        $value = $this->store->get($key);
        if (!is_string($value) || $value === 'null') {
            return $default;
        }
        $deserialised = @json_decode($value, true);
        if (is_null($deserialised)) {
            return $default;
        }
        return $deserialised;
    }
    /**
     * @param mixed $key
     * @param mixed $value
     */
    public function set($key, $value)
    {
        $this->store->set($key, json_encode($value));
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * A key-value store for use within the plugin's admin panel
 *
 * Interface KeyValueStore
 */
interface KeyValueStore
{
    /**
     * @param string $key
     * @return string|null The previously stored value or
     *          null if there was no value stored for this key
     */
    public function get($key);
    /**
     * @param string $key
     * @param string $value
     * @return void
     */
    public function set($key, $value);
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * Represents the configuration of the plugin
 *
 * Class PluginConfiguration
 */
class PluginConfiguration
{
    const KEY_SETTINGS = 'settings';
    const KEY_ACTIVATION_NOTIFICATION = 'activation-notification';
    /**
     * @var PluginConfigurationRepository
     */
    private $repo;
    /**
     * @var ServiceConfigurationGenerator
     */
    private $serviceConfigGenerator;
    /**
     * @var CacheRootManager
     */
    private $cacheRootManager;
    /**
     * @var PhastUser
     */
    private $user;
    /**
     * @var NonceChecker
     */
    private $nonceChecker;
    /**
     * PluginConfiguration constructor.
     * @param PluginConfigurationRepository $repo
     * @param ServiceConfigurationGenerator $serviceConfigGenerator
     * @param CacheRootManager $cacheRootManager
     * @param PhastUser $user
     * @param NonceChecker $nonceChecker
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\PluginConfigurationRepository $repo, \Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationGenerator $serviceConfigGenerator, \Kibo\PhastPlugins\SDK\Caching\CacheRootManager $cacheRootManager, \Kibo\PhastPlugins\SDK\Security\PhastUser $user, \Kibo\PhastPlugins\SDK\Security\NonceChecker $nonceChecker)
    {
        $this->repo = $repo;
        $this->serviceConfigGenerator = $serviceConfigGenerator;
        $this->cacheRootManager = $cacheRootManager;
        $this->user = $user;
        $this->nonceChecker = $nonceChecker;
    }
    public function get()
    {
        $userSettings = $this->repo->get(self::KEY_SETTINGS, []);
        return array_merge($this->getDefaultAdminPanelSettings(), $userSettings);
    }
    public function save(array $newConfig)
    {
        if (!$this->nonceChecker->checkNonce($newConfig)) {
            return;
        }
        $keys = array_keys($this->getDefaultAdminPanelSettings());
        $settings = [];
        foreach ($keys as $key) {
            $newConfigKey = "phastpress-{$key}";
            if (!isset($newConfig[$newConfigKey])) {
                continue;
            }
            if ($newConfig[$newConfigKey] == 'on') {
                $settings[$key] = true;
            } elseif ($newConfig[$newConfigKey] == 'off') {
                $settings[$key] = false;
            }
        }
        $this->update($settings);
    }
    public function update(array $settings)
    {
        $this->repo->set(self::KEY_SETTINGS, array_merge($this->get(), $settings));
        $this->serviceConfigGenerator->generate($this);
    }
    public function shouldShowActivationNotification()
    {
        return $this->repo->get(self::KEY_ACTIVATION_NOTIFICATION, true);
    }
    public function hideActivationNotification()
    {
        $this->repo->set(self::KEY_ACTIVATION_NOTIFICATION, false);
    }
    public function shouldAutoConfigure()
    {
        return !$this->repo->get(self::KEY_SETTINGS);
    }
    public function shouldDeployFilters()
    {
        $plugin_config = $this->get();
        if (!$plugin_config['enabled']) {
            return false;
        }
        if (!$plugin_config['admin-only']) {
            return true;
        }
        return $this->user->seesPreviewMode();
    }
    public function shouldDisplayFooter()
    {
        return $this->get()['footer-link'] && $this->shouldDeployFilters();
    }
    private function getDefaultAdminPanelSettings()
    {
        return ['enabled' => true, 'admin-only' => false, 'pathinfo-query-format' => false, 'footer-link' => false, 'compress-service-response' => true, 'img-optimization-tags' => true, 'img-optimization-css' => true, 'img-optimization-api' => true, 'img-lazy' => true, 'css-optimization' => true, 'scripts-rearrangement' => false, 'scripts-defer' => true, 'scripts-proxy' => true, 'iframe-defer' => true, 'minify-html' => true, 'minify-inline-scripts' => true];
    }
}
namespace Kibo\PhastPlugins\SDK\Configuration;

/**
 * A default implementation of the ServiceConfigurationRepository interface
 *
 * Class PHPFilesServiceConfigurationRepository
 */
class PHPFilesServiceConfigurationRepository implements \Kibo\PhastPlugins\SDK\Configuration\ServiceConfigurationRepository
{
    /**
     * @var CacheRootManager
     */
    private $cacheRootManager;
    /**
     * PHPFilesServiceConfigurationRepository constructor.
     * @param CacheRootManager $cacheRootManager
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Caching\CacheRootManager $cacheRootManager)
    {
        $this->cacheRootManager = $cacheRootManager;
    }
    public function store(array $config)
    {
        return $this->storeInPHPFile($this->getServiceConfigurationFilePath(), $config) !== false;
    }
    public function get()
    {
        $json = $this->readFromPHPFile($this->getServiceConfigurationFilePath());
        if (!$json) {
            return false;
        }
        if (strpos($json, 'a:') === 0) {
            $config = unserialize($json);
        } else {
            $config = json_decode($json, true);
        }
        if ($config === null) {
            return false;
        }
        return $config;
    }
    public function has()
    {
        return !!$this->get();
    }
    private function getServiceConfigurationFilePath()
    {
        return $this->getCacheStoredFilePath('service-config');
    }
    private function getCacheStoredFilePath($filename)
    {
        $dir = $this->cacheRootManager->getCacheRoot();
        if (!$dir) {
            return false;
        }
        $legacyName = "{$dir}/{$filename}.php";
        if (@file_exists($legacyName)) {
            return $legacyName;
        }
        foreach (@scandir($dir) as $file) {
            if (!preg_match('~^' . preg_quote($filename, '~') . '-[a-zA-Z0-9]{16}$~', $file)) {
                continue;
            }
            $path = "{$dir}/{$file}";
            if (@is_file($path)) {
                return $path;
            }
        }
        return "{$dir}/service-config-{$this->generateRandomName()}";
    }
    private function generateRandomName()
    {
        $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
        $o = '';
        for ($i = 0; $i < 16; $i++) {
            $o .= $chars[mt_rand(0, strlen($chars) - 1)];
        }
        return $o;
    }
    private function readFromPHPFile($filename)
    {
        $content = @file_get_contents($filename);
        if (!$content) {
            return false;
        }
        if (!preg_match('/^[^>]*>\\n([a-f0-9]{40})\\n(.*)$/s', $content, $match)) {
            return false;
        }
        if (sha1($match[2]) != $match[1]) {
            return false;
        }
        return $match[2];
    }
    private function storeInPHPFile($filename, $value)
    {
        $value = json_encode($value, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_PARTIAL_OUTPUT_ON_ERROR | JSON_UNESCAPED_SLASHES) . "\n";
        $content = "<?php exit; ?>\n" . sha1($value) . "\n" . $value;
        return @file_put_contents($filename, $content, LOCK_EX);
    }
}
namespace Kibo\PhastPlugins\SDK\APIs;

/**
 * Presents convenient methods for common tasks.
 *
 * Class Service
 */
class Service
{
    /**
     * @var ServiceConfiguration
     */
    private $config;
    /**
     * Service constructor.
     * @param ServiceConfiguration $config
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\ServiceConfiguration $config)
    {
        $this->config = $config;
    }
    /**
     * Configures the services and serves the request
     */
    public function serve()
    {
        \Kibo\Phast\PhastServices::serve(function () {
            return $this->config->get();
        });
    }
}
namespace Kibo\PhastPlugins\SDK\APIs;

/**
 * Presents convenient methods for common tasks.
 *
 * Class Phast
 */
class Phast
{
    /**
     * @var PhastConfiguration
     */
    private $config;
    /**
     * PhastAPI constructor.
     * @param PhastConfiguration $config
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Configuration\PhastConfiguration $config)
    {
        $this->config = $config;
    }
    /**
     * Applies phast filters to $html
     * with a configuration suited for full documents
     *
     * @param $html
     * @return string
     */
    public function applyFiltersForDocument($html)
    {
        return \Kibo\Phast\PhastDocumentFilters::apply($html, $this->config->getForDocuments());
    }
    /**
     * Applies phast filters to $html
     * with a configuration suited for html snippets
     *
     * @param $html
     * @return string
     */
    public function applyFiltersForSnippets($html)
    {
        return \Kibo\Phast\PhastDocumentFilters::apply($html, $this->config->getForHTMLSnippets());
    }
    /**
     * Deploys phast output buffer filters
     * with a configuration suited for full documents
     */
    public function deployOutputBufferForDocument()
    {
        return \Kibo\Phast\PhastDocumentFilters::deploy($this->config->getForDocuments());
    }
    /**
     * Deploys phast output buffer filters
     * with a configuration suited for html snippets
     */
    public function deployOutputBufferForSnippets()
    {
        return \Kibo\Phast\PhastDocumentFilters::deploy($this->config->getForHTMLSnippets());
    }
}
namespace Kibo\PhastPlugins\SDK\Caching;

interface CacheRootCandidatesProvider
{
    /**
     * Return a list of folders that will potentially be used
     * for storing cache and service configuration files.
     * The directories will be checked for write access
     * in the order they were provided. The first one writable
     * will be used.
     *
     * @return string[]
     */
    public function getCacheRootCandidates();
}
namespace Kibo\PhastPlugins\SDK\Caching;

class CacheRootManager
{
    /**
     * @var CacheRootCandidatesProvider
     */
    private $rootsProvider;
    /**
     * CacheRootManager constructor.
     * @param CacheRootCandidatesProvider $rootsProvider
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Caching\CacheRootCandidatesProvider $rootsProvider)
    {
        $this->rootsProvider = $rootsProvider;
    }
    public function getCacheRootCandidates()
    {
        return $this->rootsProvider->getCacheRootCandidates();
    }
    public function getCacheRoot()
    {
        $key = $this->getKey();
        $candidates = $this->getCacheRootCandidates();
        if ($result = $this->findExistingCacheRoot($key, $candidates)) {
            return $result;
        }
        if ($this->createNewCacheRoot($key, $candidates)) {
            return $this->findExistingCacheRoot($key, $candidates);
        }
        return false;
    }
    public function hasCacheRoot()
    {
        return (bool) $this->getCacheRoot();
    }
    public function getAllCacheRoots()
    {
        return $this->findAllExistingCacheRoots($this->getKey(), $this->getCacheRootCandidates());
    }
    private function getKey()
    {
        return md5(@$_SERVER['DOCUMENT_ROOT']) . '.' . (new \Kibo\Phast\Common\System())->getUserId();
    }
    private function findExistingCacheRoot($key, $candidates)
    {
        foreach ($this->findAllExistingCacheRoots($key, $candidates) as $checkDir) {
            if (!is_writable($checkDir)) {
                continue;
            }
            if (function_exists('posix_geteuid') && fileowner($checkDir) !== posix_geteuid()) {
                continue;
            }
            $this->createIndexFile($checkDir);
            return $checkDir;
        }
        return false;
    }
    private function findAllExistingCacheRoots($key, $candidates)
    {
        foreach ($this->getCacheRootCandidates() as $dir) {
            $checkDirs = ["{$dir}/{$key}", "{$dir}/phastpress.{$key}", "{$dir}/phast.{$key}"];
            foreach ($checkDirs as $checkDir) {
                if (!is_dir($checkDir)) {
                    continue;
                }
                (yield $checkDir);
            }
        }
    }
    private function createNewCacheRoot($key, $candidates)
    {
        foreach ($this->getCacheRootCandidates() as $dir) {
            if (@mkdir("{$dir}/phast.{$key}", 0777, true)) {
                return true;
            }
        }
        return false;
    }
    private function createIndexFile($dir)
    {
        $path = "{$dir}/index.html";
        if (!@file_exists($path)) {
            @touch($path);
        }
    }
}
namespace Kibo\PhastPlugins\SDK;

class Autoloader
{
    private static $instance;
    private $psr4 = array();
    public static function getInstance()
    {
        if (!isset(self::$instance)) {
            self::$instance = new self();
            self::$instance->install();
        }
        return self::$instance;
    }
    public function install()
    {
        spl_autoload_register(function ($class) {
            $this->autoload($class);
        });
    }
    public function addPSR4($namespace, $dir)
    {
        $this->psr4[] = [$namespace, $dir];
        return $this;
    }
    private function autoload($class)
    {
        foreach ($this->psr4 as $psr4) {
            list($namespace, $dir) = $psr4;
            if (strcasecmp($namespace . '\\', substr($class, 0, strlen($namespace) + 1))) {
                continue;
            }
            $relativeName = substr($class, strlen($namespace) + 1);
            $relativePath = str_replace('\\', '/', $relativeName) . '.php';
            $fullPath = $dir . '/' . $relativePath;
            if (file_exists($fullPath)) {
                include $fullPath;
                return;
            }
        }
    }
}
namespace Kibo\PhastPlugins\SDK;

interface ServiceHost
{
    /**
     * @return CacheRootCandidatesProvider
     */
    public function getCacheRootCandidatesProvider();
    /**
     * Called right after the service configuration
     * has been loaded. Use it to modify the config
     * and take any other needed action before
     * the service is started.
     *
     * @param array $config - The configuration that has been loaded
     * @return array - The configuration to use for the services
     */
    public function onServiceConfigurationLoad(array $config);
}
namespace Kibo\PhastPlugins\SDK\Generated;

class Translations
{
    const DATA = array('en' => array('AdminPanel' => array('errors' => array('no-cache-root' => '@:plugin-name can not write to any cache directory! Please, make one of the following directories writable: {params}', 'no-service-config' => '@:plugin-name failed to create a service configuration in any of the following directories: {params}', 'network-error' => 'Failed to connect to plugin server! Please, try again later! {params}', 'cache' => '{params}'), 'warnings' => array('disabled' => '@:plugin-name optimizations are off!', 'admin-only' => '@:plugin-name optimizations will be applied only for logged-in users with the "Administrator" privilege. This is for previewing purposes. Select the "On" setting for "@:plugin-name optimizations" below to activate for all users!
')), 'Backend' => array('install-notice' => 'Thank you for using <b>@:plugin-name</b>. Optimizations are <b>{pluginState}</b>. Go to <b><a href="{settingsUrl}">Settings</a></b> to configure <b>@:plugin-name</b>.
', 'status' => array('on' => 'on', 'off' => 'off', 'admin' => 'on for administrators')), 'Information' => array('additional' => 'Additional information'), 'Notification' => array('error' => 'error', 'warning' => 'warning', 'information' => 'information', 'success' => 'success'), 'OnOffSwitch' => array('on' => 'On', 'off' => 'Off'), 'SavingStatus' => array('saving' => 'Saving', 'saved' => 'Saved'), 'Settings' => array('common' => array('tip' => 'Tip:', 'on' => 'On:', 'off' => 'Off:'), 'sections' => array('plugin' => array('title' => 'Plugin', 'enabled' => array('name' => '@:plugin-name optimizations', 'description' => array('main' => 'Test your site {without} and {with}', 'without' => 'without @:plugin-name', 'with' => 'with @:plugin-name')), 'admin-only' => array('name' => 'Only optimize for administrators', 'description' => array('on' => 'Only privileged users will be served with optimized version', 'off' => 'All users will be served with optimized version', 'tip' => 'Use this to preview your site before launching the optimizations')), 'pathinfo' => array('name' => 'Remove query string from processed resources', 'description' => array('start' => 'Make sure that processed resources don\'t have query strings, for a higher score in GTmetrix.', 'on' => 'Use the path for requests for processed resources. This requires a server that supports "PATH_INFO".', 'off' => 'Use the GET parameters for requests for processed resources.')), 'footer-link' => array('name' => 'Let the world know about @:plugin-name', 'description' => 'Add a "Optimized by @:plugin-name" notice to the footer of your site and help spread the word.'), 'compress-service-response' => array('name' => 'Enable gzip compression on processed resources', 'description' => 'This compresses the optimized and bundled JavaScript and CSS generated by PhastPress. Disable this if your server already compresses PhastPress responses.')), 'images' => array('title' => 'Images', 'tags' => array('name' => 'Optimize images in tags', 'description' => 'Compress images with optimal settings. {newline} Resize images to fit {width}x{height} pixels or to the appropriate size for {imgTag} tags with {widthAttr} or {heightAttr}. {newline} Reload changed images while still leveraging browser caching.'), 'css' => array('name' => 'Optimize images in CSS', 'description' => array(0 => 'Compress images in stylesheets with optional settings and resizes the to fit {width}x{height} pixels.', 1 => 'Reload changed images while still leveraging browser caching.')), 'api' => array('name' => 'Use the Phast Image Optimization API', 'description' => array(0 => 'Optimize your images on our servers free of charge.', 1 => 'This will give you the best possible results without installing any software and will reduce the load on your hosting.')), 'lazy' => array('name' => 'Lazy load images', 'description' => array(0 => 'This adds the loading=lazy attribute to img tags so that images are only load once they are visible on the page.', 1 => 'This helps pass the "Defer offscreen images" audit in PageSpeed Insights.'))), 'html-filters' => array('title' => 'HTML, CSS & JS', 'css' => array('name' => 'Optimize CSS', 'description' => array(0 => 'Incline critical styles first and prevent unused styles from blocking the page load.', 1 => 'Minify stylesheets and leverage browser caching.', 2 => 'Inline Google Fonts CSS to speed up font loading.')), 'async-js' => array('name' => 'Load scripts asynchronously', 'description' => 'Allow the page to finish loading before all scripts have been executed.'), 'minify-js' => array('name' => 'Minify scripts and improve caching', 'description' => array(0 => 'Minify scripts and fix caching for Google Analytics and Hotjar.', 1 => 'Reload changed scripts while still leveraging browser caching.')), 'iframe' => array('name' => 'Defer IFrame loading', 'description' => 'Start loading IFrames after the page has finished loading.'), 'minify-html' => array('name' => 'Minify HTML', 'description' => 'Remove unnecessary whitespace from the HTML code of the page.'), 'minify-inline-scripts' => array('name' => 'Minify inline scripts and JSON', 'description' => 'Remove unnecessary whitespace from inline scripts and JSON data.'))))));
}
namespace Kibo\PhastPlugins\SDK\AJAX;

/**
 * Handles AJAX requests to the plugin admin.
 * Use this class to handle requests to the plugin's admin AJAX end point
 *
 * Class RequestsDispatcher
 */
class RequestsDispatcher
{
    const KEY_ACTION = 'phast-plugins-action';
    /**
     * @var PhastUser
     */
    private $user;
    /**
     * @var SDK
     */
    private $sdk;
    /**
     * RequestsDispatcher constructor.
     * @param PhastUser $user
     * @param SDK $sdk
     */
    public function __construct(\Kibo\PhastPlugins\SDK\Security\PhastUser $user, \Kibo\PhastPlugins\SDK\SDK $sdk)
    {
        $this->user = $user;
        $this->sdk = $sdk;
    }
    /**
     * Handles ajax requests to plugin's admin AJAX end point
     *
     * @param array $request The $_POST data to the request
     * @return mixed Must be json encoded and returned to the client
     */
    public function dispatch(array $request)
    {
        if (!$this->user->mayModifySettings()) {
            return false;
        }
        $action = isset($request[self::KEY_ACTION]) ? $request[self::KEY_ACTION] : '';
        if ($action == 'save-settings') {
            $this->sdk->getPluginConfiguration()->save($request);
            return $this->makeResponse(true, $this->sdk->getAdminPanelData()->get());
        }
        if ($action == 'dismiss-notice') {
            $this->sdk->getPluginConfiguration()->hideActivationNotification();
            return $this->makeResponse(true);
        }
        return $this->makeResponse(false);
    }
    private function makeResponse($success, $data = null)
    {
        return ['phast-success' => $success, 'phast-data' => $data];
    }
}
namespace Kibo\PhastPlugins\SDK\Security;

/**
 * Represents the user currently viewing the website (either backend or frontend)
 *
 * Interface PhastUser
 */
interface PhastUser
{
    /**
     * Tells whether the user can access and manipulate
     * the plugin's settings
     *
     * @return bool
     */
    public function mayModifySettings();
    /**
     * Tells whether the user can access the website with Phast enabled in preview mode
     *
     * @return bool
     */
    public function seesPreviewMode();
}
namespace Kibo\PhastPlugins\SDK\Security;

/**
 * Checks whether posted data to the server
 * contains the expected nonce.
 *
 * Interface NonceChecker
 */
interface NonceChecker
{
    /**
     * Performs the check
     *
     * @param array $data The data posted to the server
     * @return bool TRUE if all is well, FALSE otherwise
     */
    public function checkNonce(array $data);
}
namespace Kibo\PhastPlugins\SDK\Common;

/**
 * Contains common implementations for methods
 * of the PluginHost interface
 *
 * @see PluginHost
 * Trait PluginHostTrait
 */
trait PluginHostTrait
{
    public function getPluginName()
    {
        return 'Phast';
    }
    public function isDev()
    {
        return $this->getPluginHostVersion() === '$VER' . 'SION$';
    }
    public function onPhastConfigurationLoad(array $config)
    {
        return $config;
    }
    public function getLocale()
    {
        return 'en';
    }
    public function getInstallNoticeRenderer()
    {
        return new \Kibo\PhastPlugins\SDK\AdminPanel\DefaultInstallNoticeRenderer();
    }
}
namespace Kibo\PhastPlugins\SDK\Common;

trait ServiceHostTrait
{
    public function onServiceConfigurationLoad(array $config)
    {
        return $config;
    }
}
namespace Kibo\PhastPlugins\SDK\Common;

trait PreviewCookieTrait
{
    public function seesPreviewMode()
    {
        return isset($_COOKIE['PHAST_PREVIEW']) && (bool) $_COOKIE['PHAST_PREVIEW'];
    }
}
namespace Kibo\Phast\Environment\Exceptions;

class PackageHasNoDiagnosticsException extends \Kibo\Phast\Exceptions\LogicException
{
}
namespace Kibo\Phast\Environment\Exceptions;

class PackageHasNoFactoryException extends \Kibo\Phast\Exceptions\LogicException
{
}
namespace Kibo\Phast\Cache\File;

class DiagnosticsLogWriter implements \Kibo\Phast\Logging\LogWriter
{
    public function setLevelMask($mask)
    {
    }
    public function writeEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
        if ($entry->getLevel() > 2) {
            $needles = array_map(function ($key) {
                return '{' . $key . '}';
            }, array_keys($entry->getContext()));
            $message = str_replace($needles, $entry->getContext(), $entry->getMessage());
            throw new \Kibo\Phast\Exceptions\RuntimeException("Error: Level: {$entry->getLevel()}, Msg: {$message}");
        }
    }
}
namespace Kibo\Phast\Cache\File;

class Diagnostics implements \Kibo\Phast\Diagnostics\Diagnostics
{
    public function diagnose(array $config)
    {
        \Kibo\Phast\Logging\Log::setLogger(new \Kibo\Phast\Logging\Logger(new \Kibo\Phast\Cache\File\DiagnosticsLogWriter()));
        $cache = new \Kibo\Phast\Cache\File\Cache($config['cache'], 'cache-self-diagnosis');
        $v1 = $cache->get('test-key', function () {
            return 1;
        }, 2);
        $v2 = $cache->get('test-key', function () {
            return 2;
        }, 2);
        if ($v1 != $v2) {
            throw new \Kibo\Phast\Exceptions\RuntimeException('Cache failed, but no error was reported!');
        }
    }
}
namespace Kibo\Phast\Filters\HTML\CommentsRemoval;

class Filter implements \Kibo\Phast\Filters\HTML\HTMLStreamFilter
{
    public function transformElements(\Traversable $elements, \Kibo\Phast\Filters\HTML\HTMLPageContext $context)
    {
        foreach ($elements as $element) {
            if (!$element instanceof \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Comment || $element->isIEConditional()) {
                (yield $element);
            }
        }
    }
}
namespace Kibo\Phast\Filters\HTML\ScriptsDeferring;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    use \Kibo\Phast\Filters\HTML\Helpers\JSDetectorTrait;
    protected function isTagOfInterest(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        return $tag->getTagName() == 'script';
    }
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $script)
    {
        if ($this->isJSElement($script) && !$this->isDeferralDisabled($script)) {
            $this->rewrite($script);
        }
        (yield $script);
    }
    protected function afterLoop()
    {
        $this->context->addPhastJavaScript(\Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/ScriptsDeferring/scripts-loader.js', "var Promise=phast.ES6Promise;phast.ScriptsLoader={};phast.ScriptsLoader.getScriptsInExecutionOrder=function(a,b){var c=a.querySelectorAll('script[type=\"text/phast\"]');var d=[],e=[];for(var f=0;f<c.length;f++){if(getSrc(c[f])!==undefined&&c[f].hasAttribute(\"defer\")){e.push(c[f])}else{d.push(c[f])}}return d.concat(e).map(function(g){return b.makeScriptFromElement(g)})};phast.ScriptsLoader.executeScripts=function(h){var i=h.map(function(k){return k.init()});var j=Promise.resolve();h.forEach(function(l){j=phast.ScriptsLoader.chainScript(j,l)});return j.then(function(){return Promise.all(i).catch(function(){})})};phast.ScriptsLoader.chainScript=function(m,n){var o;try{if(n.describe){o=n.describe()}else{o=\"unknown script\"}}catch(p){o=\"script.describe() failed\"}return m.then(function(){var q=n.execute();q.then(function(){console.debug(\"\342\234\223\",o)});return q}).catch(function(r){console.error(\"\342\234\230\",o);if(r){console.log(r)}})};var insertBefore=window.Element.prototype.insertBefore;phast.ScriptsLoader.Utilities=function(s){this._document=s;var t=0;function u(C){return new Promise(function(D){var E=\"PhastCompleteScript\"+ ++t;var F=s.createElement(\"script\");F.textContent=C;var G=s.createElement(\"script\");G.textContent=E+\"()\";window[E]=H;s.body.appendChild(F);s.body.appendChild(G);function H(){D();s.body.removeChild(F);s.body.removeChild(G);delete window[E]}})}function v(I){var J=s.createElement(I.nodeName);Array.prototype.forEach.call(I.attributes,function(K){J.setAttribute(K.nodeName,K.nodeValue)});return J}function w(L){L.removeAttribute(\"data-phast-params\");var M={};Array.prototype.map.call(L.attributes,function(N){return N.nodeName}).map(function(O){var P=O.match(/^data-phast-original-(.*)/i);if(P){M[P[1].toLowerCase()]=L.getAttribute(O);L.removeAttribute(O)}});Object.keys(M).sort().map(function(Q){L.setAttribute(Q,M[Q])});if(!(\"type\"in M)){L.removeAttribute(\"type\")}}function x(R,S){return new Promise(function(T,U){var V=S.getAttribute(\"src\");S.addEventListener(\"load\",T);S.addEventListener(\"error\",U);S.removeAttribute(\"src\");insertBefore.call(R.parentNode,S,R);R.parentNode.removeChild(R);if(V){S.setAttribute(\"src\",V)}})}function y(W,X){return A(W,function(){return u(X)})}function z(Y,Z){return A(Z,function(){return x(Y,Z)})}function A(\$,_){var aa=\$.nextElementSibling;var ba=Promise.resolve();s.write=function(fa){ca(fa)};s.writeln=function(ga){ca(ga+\"\\n\")};function ca(ha){var ia=s.createElement(\"div\");ia.innerHTML=ha;var ja=da(ia);if(aa&&aa.parentNode!==\$.parentNode){aa=\$.nextElementSibling}while(ia.firstChild){\$.parentNode.insertBefore(ia.firstChild,aa)}ja.map(ea)}function da(ka){return Array.prototype.slice.call(ka.getElementsByTagName(\"script\")).filter(function(la){var ma=la.getAttribute(\"type\");return!ma||/^(text|application)\\/javascript(;|\$)/i.test(ma)})}function ea(na){var oa=new phast.ScriptsLoader.Scripts.Factory(s);var pa=oa.makeScriptFromElement(na);ba=phast.ScriptsLoader.chainScript(ba,pa)}return _().then(function(){return ba}).finally(function(){delete s.write;delete s.writeln})}function B(qa){var ra=s.createElement(\"link\");ra.setAttribute(\"rel\",\"preload\");ra.setAttribute(\"as\",\"script\");ra.setAttribute(\"href\",qa);s.head.appendChild(ra)}this.executeString=u;this.copyElement=v;this.restoreOriginals=w;this.replaceElement=x;this.writeProtectAndExecuteString=y;this.writeProtectAndReplaceElement=z;this.addPreload=B};phast.ScriptsLoader.Scripts={};phast.ScriptsLoader.Scripts.InlineScript=function(sa,ta){this._utils=sa;this._element=ta;this.init=function(){return Promise.resolve()};this.execute=function(){var ua=ta.textContent.replace(/^\\s*<!--.*\\n/i,\"\");sa.restoreOriginals(ta);return sa.writeProtectAndExecuteString(ta,ua)};this.describe=function(){return\"inline script\"}};phast.ScriptsLoader.Scripts.AsyncBrowserScript=function(va,wa){var xa;this._utils=va;this._element=wa;this.init=function(){va.addPreload(getSrc(wa));return new Promise(function(ya){xa=ya})};this.execute=function(){var za=va.copyElement(wa);va.restoreOriginals(za);va.replaceElement(wa,za).then(xa).catch(xa);return Promise.resolve()};this.describe=function(){return\"async script at \"+getSrc(wa)}};phast.ScriptsLoader.Scripts.SyncBrowserScript=function(Aa,Ba){this._utils=Aa;this._element=Ba;this.init=function(){Aa.addPreload(getSrc(Ba));return Promise.resolve()};this.execute=function(){var Ca=Aa.copyElement(Ba);Aa.restoreOriginals(Ca);return Aa.writeProtectAndReplaceElement(Ba,Ca)};this.describe=function(){return\"sync script at \"+getSrc(Ba)}};phast.ScriptsLoader.Scripts.AsyncAJAXScript=function(Da,Ea,Fa,Ga){this._utils=Da;this._element=Ea;this._fetch=Fa;this._fallback=Ga;var Ha;var Ia;this.init=function(){Ha=Fa(Ea);return new Promise(function(Ja){Ia=Ja})};this.execute=function(){Ha.then(function(Ka){Da.restoreOriginals(Ea);return Da.executeString(Ka).then(Ia)}).catch(function(){Ga.init();return Ga.execute().then(Ia)});return Promise.resolve()};this.describe=function(){return\"bundled async script at \"+Ea.getAttribute(\"data-phast-original-src\")}};phast.ScriptsLoader.Scripts.SyncAJAXScript=function(La,Ma,Na,Oa){this._utils=La;this._element=Ma;this._fetch=Na;this._fallback=Oa;var Pa;this.init=function(){Pa=Na(Ma);return Pa};this.execute=function(){return Pa.then(function(Qa){La.restoreOriginals(Ma);return La.writeProtectAndExecuteString(Ma,Qa)}).catch(function(){Oa.init();return Oa.execute()})};this.describe=function(){return\"bundled sync script at \"+Ma.getAttribute(\"data-phast-original-src\")}};phast.ScriptsLoader.Scripts.Factory=function(Ra,Sa){var Ta=phast.ScriptsLoader.Scripts;var Ua=new phast.ScriptsLoader.Utilities(Ra);this.makeScriptFromElement=function(Ya){var Za;if(Va(Ya)){if(Xa(Ya)){Za=new Ta.AsyncBrowserScript(Ua,Ya);return Sa?new Ta.AsyncAJAXScript(Ua,Ya,Sa,Za):Za}Za=new Ta.SyncBrowserScript(Ua,Ya);return Sa?new Ta.SyncAJAXScript(Ua,Ya,Sa,Za):Za}if(Wa(Ya)){return new Ta.InlineScript(Ua,Ya)}if(Xa(Ya)){return new Ta.AsyncBrowserScript(Ua,Ya)}return new Ta.SyncBrowserScript(Ua,Ya)};function Va(\$a){return \$a.hasAttribute(\"data-phast-params\")}function Wa(_a){return!_a.hasAttribute(\"src\")}function Xa(ab){return ab.hasAttribute(\"async\")}};function getSrc(bb){if(bb.hasAttribute(\"data-phast-original-src\")){return bb.getAttribute(\"data-phast-original-src\")}else if(bb.hasAttribute(\"src\")){return bb.getAttribute(\"src\")}}\n"));
        $this->context->addPhastJavaScript(\Kibo\Phast\ValueObjects\PhastJavaScript::fromString('/home/albert/code/phast/src/Build/../../src/Filters/HTML/ScriptsDeferring/rewrite.js', "var Promise=phast.ES6Promise;var go=phast.once(loadScripts);phast.on(document,\"DOMContentLoaded\").then(function(){if(phast.stylesLoading){phast.onStylesLoaded=go;setTimeout(go,4e3)}else{Promise.resolve().then(go)}});var loadFiltered=false;window.addEventListener(\"load\",function(a){if(!loadFiltered){a.stopImmediatePropagation()}loadFiltered=true});function loadScripts(){var b=new phast.ScriptsLoader.Scripts.Factory(document,fetchScript);var c=phast.ScriptsLoader.getScriptsInExecutionOrder(document,b);if(c.length===0){return}try{Object.defineProperty(document,\"readyState\",{configurable:true,get:function(){return\"loading\"}})}catch(d){console.error(\"[Phast] Unable to override document.readyState on this browser: \",d)}phast.ScriptsLoader.executeScripts(c).then(restoreReadyState)}function restoreReadyState(){window.requestAnimationFrame(function(){delete document[\"readyState\"];triggerEvent(document,\"readystatechange\");triggerEvent(document,\"DOMContentLoaded\");window.requestAnimationFrame(function(){if(loadFiltered){triggerEvent(window,\"load\")}else{loadFiltered=true}})})}function triggerEvent(e,f){var g=document.createEvent(\"Event\");g.initEvent(f,true,true);e.dispatchEvent(g)}function fetchScript(h){return phast.ResourceLoader.instance.get(phast.ResourceLoader.RequestParams.fromString(h.getAttribute(\"data-phast-params\")))}\n"));
    }
    private function rewrite(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $script)
    {
        if ($script->hasAttribute('type')) {
            $script->setAttribute('data-phast-original-type', $script->getAttribute('type'));
        }
        $script->setAttribute('type', 'text/phast');
        if ($script->hasAttribute('data-phast-params')) {
            $script->removeAttribute('src');
        }
    }
    private function isDeferralDisabled(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $script)
    {
        return $script->hasAttribute('data-phast-no-defer') || $script->hasAttribute('data-pagespeed-no-defer') || $script->getAttribute('data-cfasync') === 'false';
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService\Tags;

class Factory implements \Kibo\Phast\Filters\HTML\HTMLFilterFactory
{
    public function make(array $config)
    {
        return new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\Tags\Filter((new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriterFactory())->make($config, \Kibo\Phast\Filters\HTML\ImagesOptimizationService\Tags\Filter::class));
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS;

class Factory implements \Kibo\Phast\Filters\HTML\HTMLFilterFactory
{
    public function make(array $config)
    {
        return new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS\Filter((new \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriterFactory())->make($config, \Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS\Filter::class));
    }
}
namespace Kibo\Phast\Filters\HTML\ImagesOptimizationService\CSS;

class Filter extends \Kibo\Phast\Filters\HTML\BaseHTMLStreamFilter
{
    /**
     * @var ImageURLRewriter
     */
    protected $rewriter;
    /**
     * Filter constructor.
     * @param ImageURLRewriter $rewriter
     */
    public function __construct(\Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriter $rewriter)
    {
        $this->rewriter = $rewriter;
    }
    protected function handleTag(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Tag $tag)
    {
        if ($tag->hasAttribute('style')) {
            $tag->setAttribute('style', $this->rewriter->rewriteStyle($tag->getAttribute('style')));
        }
        (yield $tag);
    }
}
namespace Kibo\Phast\Filters\HTML\PhastScriptsCompiler;

class Factory implements \Kibo\Phast\Filters\HTML\HTMLFilterFactory
{
    public function make(array $config)
    {
        $cache = new \Kibo\Phast\Cache\File\Cache($config['cache'], 'phast-scripts');
        $compiler = new \Kibo\Phast\Filters\HTML\PhastScriptsCompiler\PhastJavaScriptCompiler($cache, $config['servicesUrl'], $config['serviceRequestFormat']);
        return new \Kibo\Phast\Filters\HTML\PhastScriptsCompiler\Filter($compiler);
    }
}
namespace Kibo\Phast\Filters\HTML\ScriptsProxyService;

class Factory implements \Kibo\Phast\Filters\HTML\HTMLFilterFactory
{
    public function make(array $config)
    {
        if (!isset($config['documents']['filters'][\Kibo\Phast\Filters\HTML\ScriptsProxyService\Filter::class]['serviceUrl'])) {
            $config['documents']['filters'][\Kibo\Phast\Filters\HTML\ScriptsProxyService\Filter::class]['serviceUrl'] = $config['servicesUrl'];
        }
        $filterConfig = $config['documents']['filters'][\Kibo\Phast\Filters\HTML\ScriptsProxyService\Filter::class];
        $filterConfig['match'] = $config['scripts']['whitelist'];
        return new \Kibo\Phast\Filters\HTML\ScriptsProxyService\Filter($filterConfig, (new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config), new \Kibo\Phast\Retrievers\LocalRetriever($config['retrieverMap']), (new \Kibo\Phast\Services\Bundler\TokenRefMakerFactory())->make($config));
    }
}
namespace Kibo\Phast\Filters\HTML\CSSInlining;

class Factory implements \Kibo\Phast\Filters\HTML\HTMLFilterFactory
{
    public function make(array $config)
    {
        $localRetriever = new \Kibo\Phast\Retrievers\LocalRetriever($config['retrieverMap']);
        $retriever = new \Kibo\Phast\Retrievers\UniversalRetriever();
        $retriever->addRetriever($localRetriever);
        $retriever->addRetriever(new \Kibo\Phast\Retrievers\CachingRetriever(new \Kibo\Phast\Cache\File\Cache($config['cache'], 'css')));
        if (!isset($config['documents']['filters'][\Kibo\Phast\Filters\HTML\CSSInlining\Filter::class]['serviceUrl'])) {
            $config['documents']['filters'][\Kibo\Phast\Filters\HTML\CSSInlining\Filter::class]['serviceUrl'] = $config['servicesUrl'];
        }
        return new \Kibo\Phast\Filters\HTML\CSSInlining\Filter((new \Kibo\Phast\Security\ServiceSignatureFactory())->make($config), \Kibo\Phast\ValueObjects\URL::fromString($config['documents']['baseUrl']), $config['documents']['filters'][\Kibo\Phast\Filters\HTML\CSSInlining\Filter::class], $localRetriever, $retriever, new \Kibo\Phast\Filters\HTML\CSSInlining\OptimizerFactory($config), (new \Kibo\Phast\Filters\CSS\Composite\Factory())->make($config), (new \Kibo\Phast\Services\Bundler\TokenRefMakerFactory())->make($config));
    }
}
namespace Kibo\Phast\Filters\HTML\Diagnostics;

class Factory implements \Kibo\Phast\Filters\HTML\HTMLFilterFactory
{
    public function make(array $config)
    {
        $url = isset($config['documents']['filters'][\Kibo\Phast\Filters\HTML\Diagnostics\Filter::class]['serviceUrl']) ? $config['documents']['filters'][\Kibo\Phast\Filters\HTML\Diagnostics\Filter::class]['serviceUrl'] : $config['servicesUrl'] . '?service=diagnostics';
        return new \Kibo\Phast\Filters\HTML\Diagnostics\Filter($url);
    }
}
namespace Kibo\Phast\Filters\Image\Exceptions;

class ImageProcessingException extends \Kibo\Phast\Exceptions\RuntimeException
{
}
namespace Kibo\Phast\Filters\Image\ImageImplementations;

class DummyImage extends \Kibo\Phast\Filters\Image\ImageImplementations\BaseImage implements \Kibo\Phast\Filters\Image\Image
{
    /**
     * @var string
     */
    private $imageString;
    private $transformationString;
    /**
     * DummyImage constructor.
     *
     * @param int $width
     * @param int $height
     */
    public function __construct($width = null, $height = null)
    {
        $this->width = $width;
        $this->height = $height;
    }
    /**
     * @return int
     */
    public function getWidth()
    {
        return $this->width;
    }
    /**
     * @return int
     */
    public function getHeight()
    {
        return $this->height;
    }
    /**
     * @return string
     */
    public function getType()
    {
        return $this->type;
    }
    /**
     * @param string $type
     */
    public function setType($type)
    {
        $this->type = $type;
    }
    /**
     * @return int
     */
    public function getCompression()
    {
        return $this->compression;
    }
    /**
     * @return string
     */
    public function getAsString()
    {
        return $this->imageString;
    }
    /**
     * @param string $imageString
     */
    public function setImageString($imageString)
    {
        $this->imageString = $imageString;
    }
    /**
     * @param mixed $transformationString
     */
    public function setTransformationString($transformationString)
    {
        $this->transformationString = $transformationString;
    }
    protected function __clone()
    {
        $this->imageString = $this->transformationString;
    }
}
namespace Kibo\Phast\Filters\Service;

class CachingServiceFilter implements \Kibo\Phast\Services\ServiceFilter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var Cache
     */
    private $cache;
    /**
     * @var CachedResultServiceFilter
     */
    private $cachedFilter;
    /**
     * @var Retriever
     */
    private $retriever;
    /**
     * CachingServiceFilter constructor.
     * @param Cache $cache
     * @param CachedResultServiceFilter $cachedFilter
     * @param Retriever $retriever
     */
    public function __construct(\Kibo\Phast\Cache\Cache $cache, \Kibo\Phast\Filters\Service\CachedResultServiceFilter $cachedFilter, \Kibo\Phast\Retrievers\Retriever $retriever)
    {
        $this->cache = $cache;
        $this->cachedFilter = $cachedFilter;
        $this->retriever = $retriever;
    }
    /**
     * @param Resource $resource
     * @param array $request
     * @return Resource
     * @throws CachedExceptionException
     */
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $key = $this->cachedFilter->getCacheSalt($resource, $request);
        $this->logger()->info('Trying to get {url} from cache', ['url' => (string) $resource->getUrl()]);
        $result = $this->cache->get($key);
        if (isset($result['encoding']) && $result['encoding'] != 'identity') {
            $result = null;
        }
        if ($result && $this->checkDependencies($result)) {
            return $this->deserializeCachedData($result);
        }
        try {
            $result = $this->cachedFilter->apply($resource, $request);
            $this->cache->set($key, $this->serializeResource($result));
            return $result;
        } catch (\Exception $e) {
            $cachingException = $this->serializeException($e);
            $this->cache->set($key, $cachingException);
            throw $this->deserializeException($cachingException);
        }
    }
    private function checkDependencies(array $data)
    {
        foreach ((array) @$data['dependencies'] as $dep) {
            $url = \Kibo\Phast\ValueObjects\URL::fromString($dep['url']);
            if ($this->retriever->getCacheSalt($url) >= $dep['cacheMarker']) {
                return false;
            }
        }
        return true;
    }
    private function deserializeCachedData(array $data)
    {
        if ($data['dataType'] == 'exception') {
            throw $this->deserializeException($data);
        }
        return $this->deserializeResource($data);
    }
    private function serializeResource(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        return ['dataType' => 'resource', 'url' => $resource->getUrl()->toString(), 'mimeType' => $resource->getMimeType(), 'blob' => base64_encode($resource->getContent()), 'dependencies' => $this->serializeDependencies($resource)];
    }
    private function serializeDependencies(\Kibo\Phast\ValueObjects\Resource $resource)
    {
        return array_map(function (\Kibo\Phast\ValueObjects\Resource $dep) {
            return ['url' => $dep->getUrl()->toString(), 'cacheMarker' => $dep->getCacheSalt()];
        }, $resource->getDependencies());
    }
    private function deserializeResource(array $data)
    {
        $params = [\Kibo\Phast\ValueObjects\URL::fromString($data['url']), base64_decode($data['blob']), $data['mimeType']];
        return \Kibo\Phast\ValueObjects\Resource::makeWithContent(...$params);
    }
    private function serializeException(\Exception $e)
    {
        return ['dataType' => 'exception', 'class' => get_class($e), 'msg' => $e->getMessage(), 'code' => $e->getCode()];
    }
    private function deserializeException(array $data)
    {
        return new \Kibo\Phast\Exceptions\CachedExceptionException(sprintf('Phast: %s: Type: %s, Msg: %s, Code: %s', static::class, $data['class'], $data['msg'], $data['code']));
    }
}
namespace Kibo\Phast\Filters\Service;

interface CachedResultServiceFilter extends \Kibo\Phast\Services\ServiceFilter
{
    /**
     * @param Resource $resource
     * @param array $request
     * @return string
     */
    public function getCacheSalt(\Kibo\Phast\ValueObjects\Resource $resource, array $request);
}
namespace Kibo\Phast\Filters\Service;

class CompositeFilter implements \Kibo\Phast\Filters\Service\CachedResultServiceFilter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var ServiceFilter[]
     */
    private $filters = array();
    public function addFilter(\Kibo\Phast\Services\ServiceFilter $filter)
    {
        $this->filters[] = $filter;
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $classes = array_map('get_class', $this->filters);
        $cached = array_filter($this->filters, function (\Kibo\Phast\Services\ServiceFilter $filter) {
            return $filter instanceof \Kibo\Phast\Filters\Service\CachedResultServiceFilter;
        });
        $salts = array_map(function (\Kibo\Phast\Filters\Service\CachedResultServiceFilter $filter) use($resource, $request) {
            return $filter->getCacheSalt($resource, $request);
        }, $cached);
        return join("\n", array_merge($classes, $salts, [$resource->getUrl(), $resource->getCacheSalt()]));
    }
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $this->logger()->info('Starting filtering for resource {url}', ['url' => $resource->getUrl()]);
        $result = array_reduce($this->filters, function (\Kibo\Phast\ValueObjects\Resource $resource, \Kibo\Phast\Services\ServiceFilter $filter) use($request) {
            $this->logger()->info('Starting {filter}', ['filter' => get_class($filter)]);
            try {
                return $filter->apply($resource, $request);
            } catch (\Kibo\Phast\Exceptions\RuntimeException $e) {
                $message = 'Phast RuntimeException: Filter: {filter} Exception: {exceptionClass} Msg: {message} Code: {code} File: {file} Line: {line}';
                $this->logger()->critical($message, ['filter' => get_class($filter), 'exceptionClass' => get_class($e), 'message' => $e->getMessage(), 'code' => $e->getCode(), 'file' => $e->getFile(), 'line' => $e->getLine()]);
                return $resource;
            }
        }, $resource);
        $this->logger()->info('Done filtering for resource {url}', ['url' => $resource->getUrl()]);
        return $result;
    }
}
namespace Kibo\Phast\Filters\CSS\CSSMinifier;

class Filter implements \Kibo\Phast\Services\ServiceFilter
{
    /**
     * @param Resource $resource
     * @param array $request
     * @return Resource
     */
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $content = $resource->getContent();
        // Normalize whitespace
        $content = preg_replace('~\\s+~', ' ', $content);
        // Remove whitespace before and after operators
        $chars = [',', '{', '}', ';'];
        foreach ($chars as $char) {
            $content = str_replace("{$char} ", $char, $content);
            $content = str_replace(" {$char}", $char, $content);
        }
        // Remove whitespace after colons
        $content = str_replace(': ', ':', $content);
        return $resource->withContent(trim($content));
    }
}
namespace Kibo\Phast\Filters\CSS\CSSURLRewriter;

class Filter implements \Kibo\Phast\Services\ServiceFilter
{
    /**
     * @param Resource $resource
     * @param array $request
     * @return Resource
     */
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $baseUrl = $resource->getUrl();
        $callback = function ($match) use($baseUrl) {
            if (preg_match('~^[a-z]+:|^#~i', $match[3])) {
                return $match[0];
            }
            return $match[1] . \Kibo\Phast\ValueObjects\URL::fromString($match[3])->withBase($baseUrl) . $match[4];
        };
        $cssContent = preg_replace_callback('~
                \\b
                ( url\\( ([\'"]?) )
                ([A-Za-z0-9_/.:?&=+%,#@-]+)
                ( \\2 \\) )
            ~x', $callback, $resource->getContent());
        $cssContent = preg_replace_callback('~
                ( @import \\s+ ([\'"]) )
                ([A-Za-z0-9_/.:?&=+%,#@-]+)
                ( \\2 )
            ~x', $callback, $cssContent);
        return $resource->withContent($cssContent);
    }
}
namespace Kibo\Phast\Filters\CSS\ImageURLRewriter;

class Filter implements \Kibo\Phast\Filters\Service\CachedResultServiceFilter
{
    /**
     * @var ImageURLRewriter
     */
    private $rewriter;
    /**
     * Filter constructor.
     * @param ImageURLRewriter $rewriter
     */
    public function __construct(\Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageURLRewriter $rewriter)
    {
        $this->rewriter = $rewriter;
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        return $this->rewriter->getCacheSalt();
    }
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $content = $this->rewriter->rewriteStyle($resource->getContent());
        $dependencies = $this->rewriter->getInlinedResources();
        return $resource->withContent($content)->withDependencies($dependencies);
    }
}
namespace Kibo\Phast\Filters\CSS\Composite;

class Filter extends \Kibo\Phast\Filters\Service\CompositeFilter implements \Kibo\Phast\Filters\Service\CachedResultServiceFilter
{
    public function __construct()
    {
        $this->addFilter(new \Kibo\Phast\Filters\CSS\CommentsRemoval\Filter());
    }
}
namespace Kibo\Phast\Filters\CSS\FontSwap;

class Filter implements \Kibo\Phast\Services\ServiceFilter
{
    const FONT_FACE_REGEXP = '/(@font-face\\s*\\{)([^}]*)/i';
    const ICON_FONT_FAMILIES = array('Font Awesome', 'GeneratePress', 'Dashicons', 'Ionicons');
    private $fontDisplayBlockPattern;
    public function __construct()
    {
        $this->fontDisplayBlockPattern = $this->getFontDisplayBlockPattern();
    }
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $css = $resource->getContent();
        $filtered = preg_replace_callback(self::FONT_FACE_REGEXP, function ($match) {
            list($block, $start, $contents) = $match;
            $mode = preg_match($this->fontDisplayBlockPattern, $contents) ? 'block' : 'swap';
            return $start . 'font-display:' . $mode . ';' . $contents;
        }, $css);
        return $resource->withContent($filtered);
    }
    private function getFontDisplayBlockPattern()
    {
        $patterns = [];
        foreach (self::ICON_FONT_FAMILIES as $family) {
            $chars = str_split($family);
            $chars = array_map(function ($char) {
                return preg_quote($char, '~');
            }, $chars);
            $patterns[] = implode('\\s*', $chars);
        }
        return '~' . implode('|', $patterns) . '~i';
    }
}
namespace Kibo\Phast\Filters\CSS\ImportsStripper;

class Filter implements \Kibo\Phast\Filters\Service\CachedResultServiceFilter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    public function getCacheSalt(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        return $this->shouldStripImports($request) ? 'strip-imports' : 'no-strip-imports';
    }
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        if (!$this->shouldStripImports($request)) {
            $this->logger()->info('No import stripping requested! Skipping!');
            return $resource;
        }
        $css = $resource->getContent();
        $stripped = preg_replace(\Kibo\Phast\Filters\HTML\CSSInlining\Filter::CSS_IMPORTS_REGEXP, '', $css);
        return $resource->withContent($stripped);
    }
    private function shouldStripImports(array $request)
    {
        return isset($request['strip-imports']);
    }
}
namespace Kibo\Phast\Filters\CSS\CommentsRemoval;

class Filter implements \Kibo\Phast\Services\ServiceFilter
{
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $content = preg_replace('~/\\*[^*]*\\*+([^/*][^*]*\\*+)*/~', '', $resource->getContent());
        return $resource->withContent($content);
    }
}
namespace Kibo\Phast\Filters\Text\Decode;

class Filter implements \Kibo\Phast\Services\ServiceFilter
{
    const UTF8_BOM = "\357\273\277";
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request = array())
    {
        $content = $resource->getContent();
        if (substr($content, 0, strlen(self::UTF8_BOM)) == self::UTF8_BOM) {
            $content = substr($content, strlen(self::UTF8_BOM));
        }
        return $resource->withContent($content);
    }
}
namespace Kibo\Phast\Parsing\HTML\HTMLStreamElements;

class ClosingTag extends \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Element
{
    /**
     * @var string
     */
    private $tagName;
    /**
     * ClosingTag constructor.
     * @param string $tagName
     */
    public function __construct($tagName)
    {
        $this->tagName = strtolower($tagName);
    }
    /**
     * @return string
     */
    public function getTagName()
    {
        return $this->tagName;
    }
    public function appendChild(\Kibo\Phast\Parsing\HTML\HTMLStreamElements\Element $element)
    {
        $this->stream->insertBeforeElement($this, $element);
    }
    public function dumpValue()
    {
        return $this->tagName;
    }
}
namespace Kibo\Phast\Parsing\HTML\HTMLStreamElements;

class Tag extends \Kibo\Phast\Parsing\HTML\HTMLStreamElements\Element
{
    /**
     * @var string
     */
    private $tagName;
    /**
     * @var array
     */
    private $attributes = array();
    /**
     * @var array
     */
    private $newAttributes = array();
    /**
     * @var \Iterator
     */
    private $attributeReader;
    /**
     * @var string
     */
    private $textContent = '';
    /**
     * @var string
     */
    private $closingTag = '';
    private $dirty = false;
    /**
     * Tag constructor.
     * @param $tagName
     * @param array|\Traversable $attributes
     */
    public function __construct($tagName, $attributes = array())
    {
        $this->tagName = strtolower($tagName);
        if ($attributes instanceof \Iterator) {
            $this->attributeReader = $attributes;
        } elseif (is_array($attributes)) {
            $this->attributeReader = new \ArrayIterator($attributes);
        } else {
            throw new \InvalidArgumentException('Attributes must be array or Iterator');
        }
    }
    /**
     * @return string
     */
    public function getTagName()
    {
        return $this->tagName;
    }
    /**
     * @param string $attrName
     * @return bool
     */
    public function hasAttribute($attrName)
    {
        return $this->getAttribute($attrName) !== null;
    }
    /**
     * @param string $attrName
     * @return mixed|null
     */
    public function getAttribute($attrName)
    {
        if (array_key_exists($attrName, $this->newAttributes)) {
            return $this->newAttributes[$attrName];
        }
        if (!array_key_exists($attrName, $this->attributes)) {
            $this->readUntilAttribute($attrName);
        }
        if (isset($this->attributes[$attrName])) {
            return $this->attributes[$attrName];
        }
    }
    /** @return string[] */
    public function getAttributes()
    {
        $this->readUntilAttribute(null);
        return array_filter($this->newAttributes + $this->attributes, function ($value) {
            return $value !== null;
        });
    }
    private function readUntilAttribute($attrName)
    {
        if (!$this->attributeReader) {
            return;
        }
        while ($this->attributeReader->valid()) {
            $name = strtolower($this->attributeReader->key());
            $value = $this->attributeReader->current();
            $this->attributeReader->next();
            if (!isset($this->attributes[$name])) {
                $this->attributes[$name] = $value;
            }
            if ($name == $attrName) {
                return;
            }
        }
        $this->attributeReader = null;
    }
    /**
     * @param string $attrName
     * @param string $value
     */
    public function setAttribute($attrName, $value)
    {
        if ($this->getAttribute($attrName) === $value) {
            return;
        }
        $this->dirty = true;
        $this->newAttributes[$attrName] = $value;
    }
    /**
     * @param string $attrName
     */
    public function removeAttribute($attrName)
    {
        $this->dirty = true;
        $this->newAttributes[$attrName] = null;
    }
    /**
     * @return string
     */
    public function getTextContent()
    {
        return $this->textContent;
    }
    /**
     * @param string $textContent
     */
    public function setTextContent($textContent)
    {
        $this->textContent = $textContent;
    }
    /**
     * @param $closingTag
     * @return Tag
     */
    public function withClosingTag($closingTag)
    {
        $new = clone $this;
        $new->closingTag = $closingTag;
        return $new;
    }
    /**
     * @return string
     */
    public function getClosingTag()
    {
        return $this->closingTag;
    }
    public function __toString()
    {
        return $this->getOpening() . $this->textContent . $this->getClosing();
    }
    private function getOpening()
    {
        if ($this->dirty || !isset($this->originalString)) {
            return $this->generateOpeningTag();
        }
        return parent::__toString();
    }
    private function getClosing()
    {
        if ($this->closingTag) {
            return $this->closingTag;
        }
        if ($this->mustHaveClosing() && !$this->isFromParser()) {
            return '</' . $this->tagName . '>';
        }
        return '';
    }
    private function generateOpeningTag()
    {
        $parts = ['<' . $this->tagName];
        foreach ($this->getAttributes() as $name => $value) {
            $parts[] = $this->generateAttribute($name, $value);
        }
        return join(' ', $parts) . '>';
    }
    private function generateAttribute($name, $value)
    {
        $result = $name;
        if ($value != '') {
            $result .= '=' . $this->quoteAttributeValue($value);
        }
        return $result;
    }
    private function quoteAttributeValue($value)
    {
        if (strpos($value, '"') === false) {
            return '"' . htmlspecialchars($value) . '"';
        }
        return "'" . str_replace(['&', "'"], ['&amp;', '&#039;'], $value) . "'";
    }
    private function mustHaveClosing()
    {
        return !\Kibo\Phast\Parsing\HTML\HTMLInfo::isA($this->tagName, \Kibo\Phast\Parsing\HTML\HTMLInfo::VOID_TAG);
    }
    private function isFromParser()
    {
        return isset($this->originalString);
    }
    public function dumpValue()
    {
        $o = $this->tagName;
        foreach ($this->attributes as $name => $_) {
            $o .= " {$name}=\"" . $this->getAttribute($name) . '"';
        }
        if ($this->textContent) {
            $o .= " content=[{$this->textContent}]";
        }
        return $o;
    }
}
namespace Kibo\Phast\Common;

class JSMinifier extends \JSMin\JSMin
{
    protected $removeLicenseHeaders;
    public function __construct($input, $removeLicenseHeaders = false)
    {
        parent::__construct($input);
        $this->removeLicenseHeaders = $removeLicenseHeaders;
    }
    protected function consumeMultipleLineComment()
    {
        parent::consumeMultipleLineComment();
        if ($this->removeLicenseHeaders) {
            $this->keptComment = preg_replace('~/\\*!.*?\\*/~s', '', $this->keptComment);
        }
    }
}
namespace Kibo\Phast\Logging\LogWriters\Dummy;

class Writer implements \Kibo\Phast\Logging\LogWriter
{
    public function setLevelMask($mask)
    {
    }
    public function writeEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
    }
}
namespace Kibo\Phast\Logging\LogWriters;

abstract class BaseLogWriter implements \Kibo\Phast\Logging\LogWriter
{
    protected $levelMask = ~0;
    protected abstract function doWriteEntry(\Kibo\Phast\Logging\LogEntry $entry);
    public function setLevelMask($mask)
    {
        $this->levelMask = $mask;
    }
    public function writeEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
        if ($this->levelMask & $entry->getLevel()) {
            $this->doWriteEntry($entry);
        }
    }
}
namespace Kibo\Phast\Services\Css;

class Service extends \Kibo\Phast\Services\BaseService
{
    protected function makeResponse(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $response = parent::makeResponse($resource, $request);
        $response->setHeader('Content-Type', 'text/css');
        return $response;
    }
}
namespace Kibo\Phast\Services\Scripts;

class Service extends \Kibo\Phast\Services\BaseService
{
    protected function makeResponse(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $response = parent::makeResponse($resource, $request);
        $response->setHeader('Content-Type', 'application/javascript');
        return $response;
    }
}
namespace Kibo\Phast\Services\Images;

class Service extends \Kibo\Phast\Services\BaseService
{
    protected function getParams(\Kibo\Phast\Services\ServiceRequest $request)
    {
        $params = parent::getParams($request);
        if ($this->proxySupportsAccept($request->getHTTPRequest())) {
            $params['varyAccept'] = true;
            if ($this->browserSupportsWebp($request->getHTTPRequest())) {
                $params['preferredType'] = \Kibo\Phast\Filters\Image\Image::TYPE_WEBP;
                \Kibo\Phast\Logging\Log::info('WebP will be served if possible!');
            }
        }
        return $params;
    }
    protected function makeResponse(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $response = parent::makeResponse($resource, $request);
        $srcUrl = $resource->getUrl();
        $response->setHeader('Link', "<{$srcUrl}>; rel=\"canonical\"");
        $response->setHeader('Content-Type', $resource->getMimeType());
        if ($resource->getMimeType() != \Kibo\Phast\Filters\Image\Image::TYPE_PNG && @$request['varyAccept']) {
            $response->setHeader('Vary', 'Accept');
        }
        return $response;
    }
    protected function validateIntegrity(\Kibo\Phast\Services\ServiceRequest $request)
    {
        if (!$this->config['images']['api-mode']) {
            parent::validateIntegrity($request);
        }
    }
    protected function validateWhitelisted(\Kibo\Phast\Services\ServiceRequest $request)
    {
        if (!$this->config['images']['api-mode']) {
            parent::validateWhitelisted($request);
        }
    }
    private function browserSupportsWebp(\Kibo\Phast\HTTP\Request $request)
    {
        return strpos($request->getHeader('accept'), 'image/webp') !== false;
    }
    private function proxySupportsAccept(\Kibo\Phast\HTTP\Request $request)
    {
        return !$request->isCloudflare();
    }
}
namespace Kibo\PhastPlugins\SDK\AdminPanel;

class DefaultInstallNoticeRenderer implements \Kibo\PhastPlugins\SDK\AdminPanel\InstallNoticeRenderer
{
    public function render($notice, $onCloseJSFunction)
    {
        return $notice;
    }
}
namespace Kibo\PhastPlugins\SDK;

interface PluginHost extends \Kibo\PhastPlugins\SDK\ServiceHost
{
    /**
     * The name of the plugin used for displaying to the users
     *
     * @return string
     */
    public function getPluginName();
    /**
     * The name of the host system
     *
     * @return string
     */
    public function getPluginHostName();
    /**
     * The version of the plugin
     *
     * @return string
     */
    public function getPluginHostVersion();
    /**
     * Tells whether we are in production or development mode.
     * In development mode static files will be loaded from a dev server.
     * In production mode static files will be loaded from a prebuilt source.
     *
     * @return bool - TRUE for development, FALSE for production
     */
    public function isDev();
    /**
     * @return KeyValueStore
     */
    public function getKeyValueStore();
    /**
     * @return InstallNoticeRenderer
     */
    public function getInstallNoticeRenderer();
    /**
     * @return HostURLs
     */
    public function getHostURLs();
    /**
     * @return Nonce
     */
    public function getNonce();
    /**
     * @return NonceChecker
     */
    public function getNonceChecker();
    /**
     * @return PhastUser
     */
    public function getPhastUser();
    /**
     * Called right after phast's configuration
     * has been loaded. Use it to modify the config
     * and take any other needed action before
     * the filters are applied.
     *
     * @param array $config - The configuration that has been loaded
     * @return array - The configuration to use for phast
     */
    public function onPhastConfigurationLoad(array $config);
    /**
     * Returns the current system locale
     *
     * @return string
     */
    public function getLocale();
}
namespace Kibo\Phast\Filters\JavaScript\Minification;

class JSMinifierFilter implements \Kibo\Phast\Filters\Service\CachedResultServiceFilter
{
    const VERSION = 2;
    private $removeLicenseHeaders = true;
    /**
     * JSMinifierFilter constructor.
     * @param bool $removeLicenseHeaders
     */
    public function __construct($removeLicenseHeaders)
    {
        $this->removeLicenseHeaders = (bool) $removeLicenseHeaders;
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        return http_build_query(['v' => self::VERSION, 'removeLicenseHeaders' => $this->removeLicenseHeaders]);
    }
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $minified = (new \Kibo\Phast\Common\JSMinifier($resource->getContent(), $this->removeLicenseHeaders))->min();
        return $resource->withContent($minified);
    }
}
namespace Kibo\Phast\Filters\Image\Composite;

class Filter implements \Kibo\Phast\Filters\Service\CachedResultServiceFilter
{
    use \Kibo\Phast\Logging\LoggingTrait;
    /**
     * @var ImageFactory
     */
    private $imageFactory;
    /**
     * @var ImageInliningManager
     */
    private $inliningManager;
    /**
     * @var ImageFilter[]
     */
    private $filters = array();
    /**
     * Filter constructor.
     * @param ImageFactory $imageFactory
     * @param ImageInliningManager $inliningManager
     */
    public function __construct(\Kibo\Phast\Filters\Image\ImageFactory $imageFactory, \Kibo\Phast\Filters\HTML\ImagesOptimizationService\ImageInliningManager $inliningManager)
    {
        $this->imageFactory = $imageFactory;
        $this->inliningManager = $inliningManager;
    }
    public function addImageFilter(\Kibo\Phast\Filters\Image\ImageFilter $filter)
    {
        $this->filters[] = $filter;
    }
    public function getCacheSalt(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $filters = array_map('get_class', $this->filters);
        $salts = array_map(function (\Kibo\Phast\Filters\Image\ImageFilter $filter) use($request) {
            return $filter->getCacheSalt($request);
        }, $this->filters);
        return implode("\n", array_merge($filters, $salts, [$this->inliningManager->getMaxImageInliningSize(), $resource->getUrl(), $resource->getCacheSalt()]));
    }
    /**
     * @param Resource $resource
     * @param array $request
     * @return Resource
     */
    public function apply(\Kibo\Phast\ValueObjects\Resource $resource, array $request)
    {
        $image = $this->imageFactory->getForResource($resource);
        $filteredImage = $image;
        foreach ($this->filters as $filter) {
            $this->logger()->info('Applying {filter}', ['filter' => get_class($filter)]);
            try {
                $filteredImage = $filter->transformImage($filteredImage, $request);
            } catch (\Kibo\Phast\Filters\Image\Exceptions\ImageProcessingException $e) {
                $message = 'Image filter exception: Filter: {filter} Exception: {exceptionClass} Msg: {message} Code: {code} File: {file} Line: {line}';
                $this->logger()->critical($message, ['filter' => get_class($filter), 'exceptionClass' => get_class($e), 'message' => $e->getMessage(), 'code' => $e->getCode(), 'file' => $e->getFile(), 'line' => $e->getLine()]);
            }
        }
        $sizeBefore = $filteredImage->getSizeAsString();
        $sizeAfter = $image->getSizeAsString();
        $sizeDifference = $sizeBefore - $sizeAfter;
        $this->logger()->info('Image processed. Size before/after: {sizeBefore}/{sizeAfter} ({sizeDifference})', ['sizeBefore' => $sizeBefore, 'sizeAfter' => $sizeAfter, 'sizeDifference' => $sizeDifference < 0 ? $sizeDifference : "+{$sizeDifference}"]);
        if ($sizeDifference < 0) {
            $this->logger()->info('Return filtered image and save {sizeDifference} bytes', ['sizeDifference' => -$sizeDifference]);
            $image = $filteredImage;
        } else {
            $this->logger()->info('Return original image');
        }
        $processedResource = $resource->withContent($image->getAsString(), $image->getType());
        $this->inliningManager->maybeStoreForInlining($processedResource);
        return $processedResource;
    }
}
namespace Kibo\Phast\Logging\LogWriters\JSONLFile;

class Writer extends \Kibo\Phast\Logging\LogWriters\BaseLogWriter
{
    use \Kibo\Phast\Logging\Common\JSONLFileLogTrait;
    /**
     * @param LogEntry $entry
     */
    protected function doWriteEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
        $encoded = @\Kibo\Phast\Common\JSON::encode($entry->toArray());
        if ($encoded) {
            $this->makeDirIfNotExists();
            @file_put_contents($this->filename, $encoded . "\n", FILE_APPEND | LOCK_EX);
        }
    }
    private function makeDirIfNotExists()
    {
        if (!@file_exists($this->dir)) {
            @mkdir($this->dir, 0777, true);
        }
    }
}
namespace Kibo\Phast\Logging\LogWriters\Composite;

class Writer extends \Kibo\Phast\Logging\LogWriters\BaseLogWriter
{
    /**
     * @var Writer[]
     */
    private $writers = array();
    public function addWriter(\Kibo\Phast\Logging\LogWriter $writer)
    {
        $this->writers[] = $writer;
    }
    protected function doWriteEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
        foreach ($this->writers as $writer) {
            $writer->writeEntry($entry);
        }
    }
}
namespace Kibo\Phast\Logging\LogWriters\RotatingTextFile;

class Writer extends \Kibo\Phast\Logging\LogWriters\BaseLogWriter
{
    /** @var string */
    private $path = 'phast.log';
    /** @var int */
    private $maxFiles = 2;
    /** @var int */
    private $maxSize = 10 * 1024 * 1024;
    /** @var ObjectifiedFunctions */
    private $funcs;
    /**
     * @param array $config
     * @param ?ObjectifiedFunctions $funcs
     */
    public function __construct(array $config, \Kibo\Phast\Common\ObjectifiedFunctions $funcs = null)
    {
        if (isset($config['path'])) {
            $this->path = (string) $config['path'];
        }
        if (isset($config['maxFiles'])) {
            $this->maxFiles = (int) $config['maxFiles'];
        }
        if (isset($config['maxSize'])) {
            $this->maxSize = (int) $config['maxSize'];
        }
        $this->funcs = is_null($funcs) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $funcs;
    }
    protected function doWriteEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
        if (!($this->levelMask & $entry->getLevel())) {
            return;
        }
        $message = $this->interpolate($entry->getMessage(), $entry->getContext());
        $line = sprintf("%s %s %s\n", gmdate('Y-m-d\\TH:i:s\\Z', $this->funcs->time()), \Kibo\Phast\Logging\LogLevel::toString($entry->getLevel()), $message);
        clearstatcache(true, $this->path);
        $this->rotate(strlen($line));
        file_put_contents($this->path, $line, FILE_APPEND);
    }
    private function interpolate($message, $context)
    {
        $prefix = '';
        $prefixKeys = ['requestId', 'service', 'class', 'method', 'line'];
        foreach ($prefixKeys as $key) {
            if (isset($context[$key])) {
                $prefix .= '{' . $key . "}\t";
            }
        }
        return preg_replace_callback('/{(.+?)}/', function ($match) use($context) {
            return array_key_exists($match[1], $context) ? $context[$match[1]] : $match[0];
        }, $prefix . $message);
    }
    private function rotate($bufferSize)
    {
        if (!$this->shouldRotate($bufferSize)) {
            return;
        }
        if (!($fp = fopen($this->path, 'r+'))) {
            return;
        }
        try {
            if (!flock($fp, LOCK_EX | LOCK_NB)) {
                return;
            }
            if (!$this->shouldRotate($bufferSize)) {
                return;
            }
            for ($i = $this->maxFiles - 1; $i > 0; $i--) {
                @rename($this->getName($i - 1), $this->getName($i));
            }
        } finally {
            fclose($fp);
        }
    }
    private function getName($index)
    {
        if ($index <= 0) {
            return $this->path;
        }
        return $this->path . '.' . $index;
    }
    private function shouldRotate($bufferSize)
    {
        $currentSize = @filesize($this->path);
        if (!$currentSize) {
            return false;
        }
        $newSize = $currentSize + $bufferSize;
        return $newSize > $this->maxSize;
    }
}
namespace Kibo\Phast\Logging\LogWriters\PHPError;

class Writer extends \Kibo\Phast\Logging\LogWriters\BaseLogWriter
{
    private $messageType = 0;
    private $destination = null;
    private $extraHeaders = null;
    /**
     * @var ObjectifiedFunctions
     */
    private $funcs;
    /**
     * PHPErrorLogWriter constructor.
     * @param array $config
     * @param ObjectifiedFunctions $funcs
     */
    public function __construct(array $config, \Kibo\Phast\Common\ObjectifiedFunctions $funcs = null)
    {
        foreach (['messageType', 'destination', 'extraHeaders'] as $field) {
            if (isset($config[$field])) {
                $this->{$field} = $config[$field];
            }
        }
        $this->funcs = is_null($funcs) ? new \Kibo\Phast\Common\ObjectifiedFunctions() : $funcs;
    }
    protected function doWriteEntry(\Kibo\Phast\Logging\LogEntry $entry)
    {
        if ($this->levelMask & $entry->getLevel()) {
            $this->funcs->error_log($this->interpolate($entry->getMessage(), $entry->getContext()), $this->messageType, $this->destination, $this->extraHeaders);
        }
    }
    private function interpolate($message, $context)
    {
        $prefix = '';
        $prefixKeys = ['requestId', 'service', 'class', 'method', 'line'];
        foreach ($prefixKeys as $key) {
            if (isset($context[$key])) {
                $prefix .= '{' . $key . "}\t";
            }
        }
        return preg_replace_callback('/{(.+?)}/', function ($match) use($context) {
            return array_key_exists($match[1], $context) ? $context[$match[1]] : $match[0];
        }, $prefix . $message);
    }
}
```