| 1 |
<?php |
| 2 |
|
| 3 |
namespace Dudlewebs\WPMCS\s3\GuzzleHttp\Handler; |
| 4 |
|
| 5 |
use Dudlewebs\WPMCS\s3\GuzzleHttp\Exception\ConnectException; |
| 6 |
use Dudlewebs\WPMCS\s3\GuzzleHttp\Exception\RequestException; |
| 7 |
use Dudlewebs\WPMCS\s3\GuzzleHttp\Promise\FulfilledPromise; |
| 8 |
use Dudlewebs\WPMCS\s3\GuzzleHttp\Psr7; |
| 9 |
use Dudlewebs\WPMCS\s3\GuzzleHttp\Psr7\LazyOpenStream; |
| 10 |
use Dudlewebs\WPMCS\s3\GuzzleHttp\TransferStats; |
| 11 |
use Dudlewebs\WPMCS\s3\Psr\Http\Message\RequestInterface; |
| 12 |
/** |
| 13 |
* Creates curl resources from a request |
| 14 |
*/ |
| 15 |
class CurlFactory implements CurlFactoryInterface |
| 16 |
{ |
| 17 |
const CURL_VERSION_STR = 'curl_version'; |
| 18 |
const LOW_CURL_VERSION_NUMBER = '7.21.2'; |
| 19 |
/** @var array */ |
| 20 |
private $handles = []; |
| 21 |
/** @var int Total number of idle handles to keep in cache */ |
| 22 |
private $maxHandles; |
| 23 |
/** |
| 24 |
* @param int $maxHandles Maximum number of idle handles. |
| 25 |
*/ |
| 26 |
public function __construct($maxHandles) |
| 27 |
{ |
| 28 |
$this->maxHandles = $maxHandles; |
| 29 |
} |
| 30 |
public function create(RequestInterface $request, array $options) |
| 31 |
{ |
| 32 |
if (isset($options['curl']['body_as_string'])) { |
| 33 |
$options['_body_as_string'] = $options['curl']['body_as_string']; |
| 34 |
unset($options['curl']['body_as_string']); |
| 35 |
} |
| 36 |
$easy = new EasyHandle(); |
| 37 |
$easy->request = $request; |
| 38 |
$easy->options = $options; |
| 39 |
$conf = $this->getDefaultConf($easy); |
| 40 |
$this->applyMethod($easy, $conf); |
| 41 |
$this->applyHandlerOptions($easy, $conf); |
| 42 |
$this->applyHeaders($easy, $conf); |
| 43 |
unset($conf['_headers']); |
| 44 |
// Add handler options from the request configuration options |
| 45 |
if (isset($options['curl'])) { |
| 46 |
$conf = \array_replace($conf, $options['curl']); |
| 47 |
} |
| 48 |
$conf[\CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy); |
| 49 |
$easy->handle = $this->handles ? \array_pop($this->handles) : \curl_init(); |
| 50 |
\curl_setopt_array($easy->handle, $conf); |
| 51 |
return $easy; |
| 52 |
} |
| 53 |
public function release(EasyHandle $easy) |
| 54 |
{ |
| 55 |
$resource = $easy->handle; |
| 56 |
unset($easy->handle); |
| 57 |
if (\count($this->handles) >= $this->maxHandles) { |
| 58 |
\curl_close($resource); |
| 59 |
} else { |
| 60 |
// Remove all callback functions as they can hold onto references |
| 61 |
// and are not cleaned up by curl_reset. Using curl_setopt_array |
| 62 |
// does not work for some reason, so removing each one |
| 63 |
// individually. |
| 64 |
\curl_setopt($resource, \CURLOPT_HEADERFUNCTION, null); |
| 65 |
\curl_setopt($resource, \CURLOPT_READFUNCTION, null); |
| 66 |
\curl_setopt($resource, \CURLOPT_WRITEFUNCTION, null); |
| 67 |
\curl_setopt($resource, \CURLOPT_PROGRESSFUNCTION, null); |
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\curl_reset($resource); |
| 69 |
$this->handles[] = $resource; |
| 70 |
} |
| 71 |
} |
| 72 |
/** |
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* Completes a cURL transaction, either returning a response promise or a |
| 74 |
* rejected promise. |
| 75 |
* |
| 76 |
* @param callable $handler |
| 77 |
* @param EasyHandle $easy |
| 78 |
* @param CurlFactoryInterface $factory Dictates how the handle is released |
| 79 |
* |
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* @return \GuzzleHttp\Promise\PromiseInterface |
| 81 |
*/ |
| 82 |
public static function finish(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory) |
| 83 |
{ |
| 84 |
if (isset($easy->options['on_stats'])) { |
| 85 |
self::invokeStats($easy); |
| 86 |
} |
| 87 |
if (!$easy->response || $easy->errno) { |
| 88 |
return self::finishError($handler, $easy, $factory); |
| 89 |
} |
| 90 |
// Return the response if it is present and there is no error. |
| 91 |
$factory->release($easy); |
| 92 |
// Rewind the body of the response if possible. |
| 93 |
$body = $easy->response->getBody(); |
| 94 |
if ($body->isSeekable()) { |
| 95 |
$body->rewind(); |
| 96 |
} |
| 97 |
return new FulfilledPromise($easy->response); |
| 98 |
} |
| 99 |
private static function invokeStats(EasyHandle $easy) |
| 100 |
{ |
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$curlStats = \curl_getinfo($easy->handle); |
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$curlStats['appconnect_time'] = \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME); |
| 103 |
$stats = new TransferStats($easy->request, $easy->response, $curlStats['total_time'], $easy->errno, $curlStats); |
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\call_user_func($easy->options['on_stats'], $stats); |
| 105 |
} |
| 106 |
private static function finishError(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory) |
| 107 |
{ |
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// Get error information and release the handle to the factory. |
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$ctx = ['errno' => $easy->errno, 'error' => \curl_error($easy->handle), 'appconnect_time' => \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME)] + \curl_getinfo($easy->handle); |
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$ctx[self::CURL_VERSION_STR] = \curl_version()['version']; |
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$factory->release($easy); |
| 112 |
// Retry when nothing is present or when curl failed to rewind. |
| 113 |
if (empty($easy->options['_err_message']) && (!$easy->errno || $easy->errno == 65)) { |
| 114 |
return self::retryFailedRewind($handler, $easy, $ctx); |
| 115 |
} |
| 116 |
return self::createRejection($easy, $ctx); |
| 117 |
} |
| 118 |
private static function createRejection(EasyHandle $easy, array $ctx) |
| 119 |
{ |
| 120 |
static $connectionErrors = [\CURLE_OPERATION_TIMEOUTED => \true, \CURLE_COULDNT_RESOLVE_HOST => \true, \CURLE_COULDNT_CONNECT => \true, \CURLE_SSL_CONNECT_ERROR => \true, \CURLE_GOT_NOTHING => \true]; |
| 121 |
// If an exception was encountered during the onHeaders event, then |
| 122 |
// return a rejected promise that wraps that exception. |
| 123 |
if ($easy->onHeadersException) { |
| 124 |
return \Dudlewebs\WPMCS\s3\GuzzleHttp\Promise\rejection_for(new RequestException('An error was encountered during the on_headers event', $easy->request, $easy->response, $easy->onHeadersException, $ctx)); |
| 125 |
} |
| 126 |
if (\version_compare($ctx[self::CURL_VERSION_STR], self::LOW_CURL_VERSION_NUMBER)) { |
| 127 |
$message = \sprintf('cURL error %s: %s (%s)', $ctx['errno'], $ctx['error'], 'see https://curl.haxx.se/libcurl/c/libcurl-errors.html'); |
| 128 |
} else { |
| 129 |
$message = \sprintf('cURL error %s: %s (%s) for %s', $ctx['errno'], $ctx['error'], 'see https://curl.haxx.se/libcurl/c/libcurl-errors.html', $easy->request->getUri()); |
| 130 |
} |
| 131 |
// Create a connection exception if it was a specific error code. |
| 132 |
$error = isset($connectionErrors[$easy->errno]) ? new ConnectException($message, $easy->request, null, $ctx) : new RequestException($message, $easy->request, $easy->response, null, $ctx); |
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return \Dudlewebs\WPMCS\s3\GuzzleHttp\Promise\rejection_for($error); |
| 134 |
} |
| 135 |
private function getDefaultConf(EasyHandle $easy) |
| 136 |
{ |
| 137 |
$conf = ['_headers' => $easy->request->getHeaders(), \CURLOPT_CUSTOMREQUEST => $easy->request->getMethod(), \CURLOPT_URL => (string) $easy->request->getUri()->withFragment(''), \CURLOPT_RETURNTRANSFER => \false, \CURLOPT_HEADER => \false, \CURLOPT_CONNECTTIMEOUT => 150]; |
| 138 |
if (\defined('CURLOPT_PROTOCOLS')) { |
| 139 |
$conf[\CURLOPT_PROTOCOLS] = \CURLPROTO_HTTP | \CURLPROTO_HTTPS; |
| 140 |
} |
| 141 |
$version = $easy->request->getProtocolVersion(); |
| 142 |
if ($version == 1.1) { |
| 143 |
$conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_1; |
| 144 |
} elseif ($version == 2.0) { |
| 145 |
$conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_2_0; |
| 146 |
} else { |
| 147 |
$conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_0; |
| 148 |
} |
| 149 |
return $conf; |
| 150 |
} |
| 151 |
private function applyMethod(EasyHandle $easy, array &$conf) |
| 152 |
{ |
| 153 |
$body = $easy->request->getBody(); |
| 154 |
$size = $body->getSize(); |
| 155 |
if ($size === null || $size > 0) { |
| 156 |
$this->applyBody($easy->request, $easy->options, $conf); |
| 157 |
return; |
| 158 |
} |
| 159 |
$method = $easy->request->getMethod(); |
| 160 |
if ($method === 'PUT' || $method === 'POST') { |
| 161 |
// See http://tools.ietf.org/html/rfc7230#section-3.3.2 |
| 162 |
if (!$easy->request->hasHeader('Content-Length')) { |
| 163 |
$conf[\CURLOPT_HTTPHEADER][] = 'Content-Length: 0'; |
| 164 |
} |
| 165 |
} elseif ($method === 'HEAD') { |
| 166 |
$conf[\CURLOPT_NOBODY] = \true; |
| 167 |
unset($conf[\CURLOPT_WRITEFUNCTION], $conf[\CURLOPT_READFUNCTION], $conf[\CURLOPT_FILE], $conf[\CURLOPT_INFILE]); |
| 168 |
} |
| 169 |
} |
| 170 |
private function applyBody(RequestInterface $request, array $options, array &$conf) |
| 171 |
{ |
| 172 |
$size = $request->hasHeader('Content-Length') ? (int) $request->getHeaderLine('Content-Length') : null; |
| 173 |
// Send the body as a string if the size is less than 1MB OR if the |
| 174 |
// [curl][body_as_string] request value is set. |
| 175 |
if ($size !== null && $size < 1000000 || !empty($options['_body_as_string'])) { |
| 176 |
$conf[\CURLOPT_POSTFIELDS] = (string) $request->getBody(); |
| 177 |
// Don't duplicate the Content-Length header |
| 178 |
$this->removeHeader('Content-Length', $conf); |
| 179 |
$this->removeHeader('Transfer-Encoding', $conf); |
| 180 |
} else { |
| 181 |
$conf[\CURLOPT_UPLOAD] = \true; |
| 182 |
if ($size !== null) { |
| 183 |
$conf[\CURLOPT_INFILESIZE] = $size; |
| 184 |
$this->removeHeader('Content-Length', $conf); |
| 185 |
} |
| 186 |
$body = $request->getBody(); |
| 187 |
if ($body->isSeekable()) { |
| 188 |
$body->rewind(); |
| 189 |
} |
| 190 |
$conf[\CURLOPT_READFUNCTION] = function ($ch, $fd, $length) use($body) { |
| 191 |
return $body->read($length); |
| 192 |
}; |
| 193 |
} |
| 194 |
// If the Expect header is not present, prevent curl from adding it |
| 195 |
if (!$request->hasHeader('Expect')) { |
| 196 |
$conf[\CURLOPT_HTTPHEADER][] = 'Expect:'; |
| 197 |
} |
| 198 |
// cURL sometimes adds a content-type by default. Prevent this. |
| 199 |
if (!$request->hasHeader('Content-Type')) { |
| 200 |
$conf[\CURLOPT_HTTPHEADER][] = 'Content-Type:'; |
| 201 |
} |
| 202 |
} |
| 203 |
private function applyHeaders(EasyHandle $easy, array &$conf) |
| 204 |
{ |
| 205 |
foreach ($conf['_headers'] as $name => $values) { |
| 206 |
foreach ($values as $value) { |
| 207 |
$value = (string) $value; |
| 208 |
if ($value === '') { |
| 209 |
// cURL requires a special format for empty headers. |
| 210 |
// See https://github.com/guzzle/guzzle/issues/1882 for more details. |
| 211 |
$conf[\CURLOPT_HTTPHEADER][] = "{$name};"; |
| 212 |
} else { |
| 213 |
$conf[\CURLOPT_HTTPHEADER][] = "{$name}: {$value}"; |
| 214 |
} |
| 215 |
} |
| 216 |
} |
| 217 |
// Remove the Accept header if one was not set |
| 218 |
if (!$easy->request->hasHeader('Accept')) { |
| 219 |
$conf[\CURLOPT_HTTPHEADER][] = 'Accept:'; |
| 220 |
} |
| 221 |
} |
| 222 |
/** |
| 223 |
* Remove a header from the options array. |
| 224 |
* |
| 225 |
* @param string $name Case-insensitive header to remove |
| 226 |
* @param array $options Array of options to modify |
| 227 |
*/ |
| 228 |
private function removeHeader($name, array &$options) |
| 229 |
{ |
| 230 |
foreach (\array_keys($options['_headers']) as $key) { |
| 231 |
if (!\strcasecmp($key, $name)) { |
| 232 |
unset($options['_headers'][$key]); |
| 233 |
return; |
| 234 |
} |
| 235 |
} |
| 236 |
} |
| 237 |
private function applyHandlerOptions(EasyHandle $easy, array &$conf) |
| 238 |
{ |
| 239 |
$options = $easy->options; |
| 240 |
if (isset($options['verify'])) { |
| 241 |
if ($options['verify'] === \false) { |
| 242 |
unset($conf[\CURLOPT_CAINFO]); |
| 243 |
$conf[\CURLOPT_SSL_VERIFYHOST] = 0; |
| 244 |
$conf[\CURLOPT_SSL_VERIFYPEER] = \false; |
| 245 |
} else { |
| 246 |
$conf[\CURLOPT_SSL_VERIFYHOST] = 2; |
| 247 |
$conf[\CURLOPT_SSL_VERIFYPEER] = \true; |
| 248 |
if (\is_string($options['verify'])) { |
| 249 |
// Throw an error if the file/folder/link path is not valid or doesn't exist. |
| 250 |
if (!\file_exists($options['verify'])) { |
| 251 |
throw new \InvalidArgumentException("SSL CA bundle not found: {$options['verify']}"); |
| 252 |
} |
| 253 |
// If it's a directory or a link to a directory use CURLOPT_CAPATH. |
| 254 |
// If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO. |
| 255 |
if (\is_dir($options['verify']) || \is_link($options['verify']) && \is_dir(\readlink($options['verify']))) { |
| 256 |
$conf[\CURLOPT_CAPATH] = $options['verify']; |
| 257 |
} else { |
| 258 |
$conf[\CURLOPT_CAINFO] = $options['verify']; |
| 259 |
} |
| 260 |
} |
| 261 |
} |
| 262 |
} |
| 263 |
if (!empty($options['decode_content'])) { |
| 264 |
$accept = $easy->request->getHeaderLine('Accept-Encoding'); |
| 265 |
if ($accept) { |
| 266 |
$conf[\CURLOPT_ENCODING] = $accept; |
| 267 |
} else { |
| 268 |
$conf[\CURLOPT_ENCODING] = ''; |
| 269 |
// Don't let curl send the header over the wire |
| 270 |
$conf[\CURLOPT_HTTPHEADER][] = 'Accept-Encoding:'; |
| 271 |
} |
| 272 |
} |
| 273 |
if (isset($options['sink'])) { |
| 274 |
$sink = $options['sink']; |
| 275 |
if (!\is_string($sink)) { |
| 276 |
$sink = \Dudlewebs\WPMCS\s3\GuzzleHttp\Psr7\stream_for($sink); |
| 277 |
} elseif (!\is_dir(\dirname($sink))) { |
| 278 |
// Ensure that the directory exists before failing in curl. |
| 279 |
throw new \RuntimeException(\sprintf('Directory %s does not exist for sink value of %s', \dirname($sink), $sink)); |
| 280 |
} else { |
| 281 |
$sink = new LazyOpenStream($sink, 'w+'); |
| 282 |
} |
| 283 |
$easy->sink = $sink; |
| 284 |
$conf[\CURLOPT_WRITEFUNCTION] = function ($ch, $write) use($sink) { |
| 285 |
return $sink->write($write); |
| 286 |
}; |
| 287 |
} else { |
| 288 |
// Use a default temp stream if no sink was set. |
| 289 |
$conf[\CURLOPT_FILE] = \fopen('php://temp', 'w+'); |
| 290 |
$easy->sink = Psr7\stream_for($conf[\CURLOPT_FILE]); |
| 291 |
} |
| 292 |
$timeoutRequiresNoSignal = \false; |
| 293 |
if (isset($options['timeout'])) { |
| 294 |
$timeoutRequiresNoSignal |= $options['timeout'] < 1; |
| 295 |
$conf[\CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000; |
| 296 |
} |
| 297 |
// CURL default value is CURL_IPRESOLVE_WHATEVER |
| 298 |
if (isset($options['force_ip_resolve'])) { |
| 299 |
if ('v4' === $options['force_ip_resolve']) { |
| 300 |
$conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V4; |
| 301 |
} elseif ('v6' === $options['force_ip_resolve']) { |
| 302 |
$conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V6; |
| 303 |
} |
| 304 |
} |
| 305 |
if (isset($options['connect_timeout'])) { |
| 306 |
$timeoutRequiresNoSignal |= $options['connect_timeout'] < 1; |
| 307 |
$conf[\CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000; |
| 308 |
} |
| 309 |
if ($timeoutRequiresNoSignal && \strtoupper(\substr(\PHP_OS, 0, 3)) !== 'WIN') { |
| 310 |
$conf[\CURLOPT_NOSIGNAL] = \true; |
| 311 |
} |
| 312 |
if (isset($options['proxy'])) { |
| 313 |
if (!\is_array($options['proxy'])) { |
| 314 |
$conf[\CURLOPT_PROXY] = $options['proxy']; |
| 315 |
} else { |
| 316 |
$scheme = $easy->request->getUri()->getScheme(); |
| 317 |
if (isset($options['proxy'][$scheme])) { |
| 318 |
$host = $easy->request->getUri()->getHost(); |
| 319 |
if (!isset($options['proxy']['no']) || !\Dudlewebs\WPMCS\s3\GuzzleHttp\is_host_in_noproxy($host, $options['proxy']['no'])) { |
| 320 |
$conf[\CURLOPT_PROXY] = $options['proxy'][$scheme]; |
| 321 |
} |
| 322 |
} |
| 323 |
} |
| 324 |
} |
| 325 |
if (isset($options['cert'])) { |
| 326 |
$cert = $options['cert']; |
| 327 |
if (\is_array($cert)) { |
| 328 |
$conf[\CURLOPT_SSLCERTPASSWD] = $cert[1]; |
| 329 |
$cert = $cert[0]; |
| 330 |
} |
| 331 |
if (!\file_exists($cert)) { |
| 332 |
throw new \InvalidArgumentException("SSL certificate not found: {$cert}"); |
| 333 |
} |
| 334 |
$conf[\CURLOPT_SSLCERT] = $cert; |
| 335 |
} |
| 336 |
if (isset($options['ssl_key'])) { |
| 337 |
if (\is_array($options['ssl_key'])) { |
| 338 |
if (\count($options['ssl_key']) === 2) { |
| 339 |
list($sslKey, $conf[\CURLOPT_SSLKEYPASSWD]) = $options['ssl_key']; |
| 340 |
} else { |
| 341 |
list($sslKey) = $options['ssl_key']; |
| 342 |
} |
| 343 |
} |
| 344 |
$sslKey = isset($sslKey) ? $sslKey : $options['ssl_key']; |
| 345 |
if (!\file_exists($sslKey)) { |
| 346 |
throw new \InvalidArgumentException("SSL private key not found: {$sslKey}"); |
| 347 |
} |
| 348 |
$conf[\CURLOPT_SSLKEY] = $sslKey; |
| 349 |
} |
| 350 |
if (isset($options['progress'])) { |
| 351 |
$progress = $options['progress']; |
| 352 |
if (!\is_callable($progress)) { |
| 353 |
throw new \InvalidArgumentException('progress client option must be callable'); |
| 354 |
} |
| 355 |
$conf[\CURLOPT_NOPROGRESS] = \false; |
| 356 |
$conf[\CURLOPT_PROGRESSFUNCTION] = function () use($progress) { |
| 357 |
$args = \func_get_args(); |
| 358 |
// PHP 5.5 pushed the handle onto the start of the args |
| 359 |
if (\is_resource($args[0])) { |
| 360 |
\array_shift($args); |
| 361 |
} |
| 362 |
\call_user_func_array($progress, $args); |
| 363 |
}; |
| 364 |
} |
| 365 |
if (!empty($options['debug'])) { |
| 366 |
$conf[\CURLOPT_STDERR] = \Dudlewebs\WPMCS\s3\GuzzleHttp\debug_resource($options['debug']); |
| 367 |
$conf[\CURLOPT_VERBOSE] = \true; |
| 368 |
} |
| 369 |
} |
| 370 |
/** |
| 371 |
* This function ensures that a response was set on a transaction. If one |
| 372 |
* was not set, then the request is retried if possible. This error |
| 373 |
* typically means you are sending a payload, curl encountered a |
| 374 |
* "Connection died, retrying a fresh connect" error, tried to rewind the |
| 375 |
* stream, and then encountered a "necessary data rewind wasn't possible" |
| 376 |
* error, causing the request to be sent through curl_multi_info_read() |
| 377 |
* without an error status. |
| 378 |
*/ |
| 379 |
private static function retryFailedRewind(callable $handler, EasyHandle $easy, array $ctx) |
| 380 |
{ |
| 381 |
try { |
| 382 |
// Only rewind if the body has been read from. |
| 383 |
$body = $easy->request->getBody(); |
| 384 |
if ($body->tell() > 0) { |
| 385 |
$body->rewind(); |
| 386 |
} |
| 387 |
} catch (\RuntimeException $e) { |
| 388 |
$ctx['error'] = 'The connection unexpectedly failed without ' . 'providing an error. The request would have been retried, ' . 'but attempting to rewind the request body failed. ' . 'Exception: ' . $e; |
| 389 |
return self::createRejection($easy, $ctx); |
| 390 |
} |
| 391 |
// Retry no more than 3 times before giving up. |
| 392 |
if (!isset($easy->options['_curl_retries'])) { |
| 393 |
$easy->options['_curl_retries'] = 1; |
| 394 |
} elseif ($easy->options['_curl_retries'] == 2) { |
| 395 |
$ctx['error'] = 'The cURL request was retried 3 times ' . 'and did not succeed. The most likely reason for the failure ' . 'is that cURL was unable to rewind the body of the request ' . 'and subsequent retries resulted in the same error. Turn on ' . 'the debug option to see what went wrong. See ' . 'https://bugs.php.net/bug.php?id=47204 for more information.'; |
| 396 |
return self::createRejection($easy, $ctx); |
| 397 |
} else { |
| 398 |
$easy->options['_curl_retries']++; |
| 399 |
} |
| 400 |
return $handler($easy->request, $easy->options); |
| 401 |
} |
| 402 |
private function createHeaderFn(EasyHandle $easy) |
| 403 |
{ |
| 404 |
if (isset($easy->options['on_headers'])) { |
| 405 |
$onHeaders = $easy->options['on_headers']; |
| 406 |
if (!\is_callable($onHeaders)) { |
| 407 |
throw new \InvalidArgumentException('on_headers must be callable'); |
| 408 |
} |
| 409 |
} else { |
| 410 |
$onHeaders = null; |
| 411 |
} |
| 412 |
return function ($ch, $h) use($onHeaders, $easy, &$startingResponse) { |
| 413 |
$value = \trim($h); |
| 414 |
if ($value === '') { |
| 415 |
$startingResponse = \true; |
| 416 |
$easy->createResponse(); |
| 417 |
if ($onHeaders !== null) { |
| 418 |
try { |
| 419 |
$onHeaders($easy->response); |
| 420 |
} catch (\Exception $e) { |
| 421 |
// Associate the exception with the handle and trigger |
| 422 |
// a curl header write error by returning 0. |
| 423 |
$easy->onHeadersException = $e; |
| 424 |
return -1; |
| 425 |
} |
| 426 |
} |
| 427 |
} elseif ($startingResponse) { |
| 428 |
$startingResponse = \false; |
| 429 |
$easy->headers = [$value]; |
| 430 |
} else { |
| 431 |
$easy->headers[] = $value; |
| 432 |
} |
| 433 |
return \strlen($h); |
| 434 |
}; |
| 435 |
} |
| 436 |
} |
| 437 |
|
