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<?php |
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|
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// allows putting /static anywhere as long as you put a boostrap.php in it |
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if (is_file(__DIR__ . '/bootstrap.php')) { |
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$bootstrap_file = __DIR__ . '/bootstrap.php'; |
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} else { |
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$bootstrap_file = __DIR__ . '/../bootstrap.php'; |
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} |
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|
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$send_400 = function ($content = 'Bad URL') { |
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http_response_code(400); |
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die($content); |
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}; |
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|
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$send_301 = function ($url) { |
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http_response_code(301); |
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header("Cache-Control: max-age=31536000"); |
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header("Location: $url"); |
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exit; |
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}; |
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|
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$app = (require $bootstrap_file); |
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/* @var \Minify\App $app */ |
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|
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if (!$app->config->enableStatic) { |
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die('Minify static serving is not enabled. Set $min_enableStatic = true; in config.php'); |
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} |
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|
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require __DIR__ . '/lib.php'; |
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|
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if (!is_writable(__DIR__)) { |
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http_response_code(500); |
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die('Directory is not writable.'); |
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} |
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|
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// parse request |
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// SCRIPT_NAME = /path/to/minify/static/gen.php |
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// REQUEST_URI = /path/to/minify/static/1467084520/b=path/to/minify&f=quick-test.js |
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|
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// "/path/to/minify/static" |
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$root_uri = dirname($_SERVER['SCRIPT_NAME']); |
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|
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// "/1467084520/b=path/to/minify&f=quick-test.js" |
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$uri = substr($_SERVER['REQUEST_URI'], strlen($root_uri)); |
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|
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if (!preg_match('~^/(\d+)/(.*)$~', $uri, $m)) { |
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http_response_code(404); |
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die('File not found'); |
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} |
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|
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// "1467084520" |
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$requested_cache_dir = $m[1]; |
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|
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// "b=path/to/minify&f=quick-test.js" |
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$query = $m[2]; |
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|
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// we basically want canonical querystrings because we make a file for each one. |
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// manual parsing is the only way to do this. The MinApp controller will validate |
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// these parameters anyway. |
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$get_params = array(); |
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foreach (explode('&', $query) as $piece) { |
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if (false === strpos($piece, '=')) { |
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$send_400(); |
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} |
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|
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list($key, $value) = explode('=', $piece, 2); |
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if (!in_array($key, array('f', 'g', 'b', 'z'))) { |
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$send_400(); |
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} |
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|
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if (isset($get_params[$key])) { |
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// already used |
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$send_400(); |
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} |
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|
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if ($key === 'z' && !preg_match('~^\.(css|js)$~', $value, $m)) { |
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$send_400(); |
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} |
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|
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$get_params[$key] = urldecode($value); |
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} |
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|
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$cache_time = Minify\StaticService\get_cache_time(); |
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if (!$cache_time) { |
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http_response_code(500); |
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die('Directory is not writable.'); |
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} |
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|
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$app->env = new Minify_Env(array( |
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'get' => $get_params, |
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)); |
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$ctrl = $app->controller; |
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$options = $app->serveOptions; |
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$sources = $ctrl->createConfiguration($options)->getSources(); |
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if (!$sources) { |
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http_response_code(404); |
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die('File not found'); |
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} |
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if ($sources[0]->getId() === 'id::missingFile') { |
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$send_400("Bad URL: missing file"); |
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} |
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|
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// we need URL to end in appropriate extension |
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$type = $sources[0]->getContentType(); |
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$ext = ($type === Minify::TYPE_JS) ? '.js' : '.css'; |
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if (substr($query, - strlen($ext)) !== $ext) { |
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$send_301("$root_uri/$cache_time/{$query}&z=$ext"); |
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} |
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|
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// fix the cache dir in the URL |
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if ($cache_time !== $requested_cache_dir) { |
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$send_301("$root_uri/$cache_time/$query"); |
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} |
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|
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$content = $app->minify->combine($sources); |
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|
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// save and send file |
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$file = __DIR__ . "/$cache_time/$query"; |
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if (!is_dir(dirname($file))) { |
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mkdir(dirname($file), 0777, true); |
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} |
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|
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file_put_contents($file, $content); |
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|
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header("Content-Type: $type;charset=utf-8"); |
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header("Cache-Control: max-age=31536000"); |
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echo $content; |
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|
