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<?php |
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/* |
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* This file is part of the FOSHttpCache package. |
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* |
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* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FOS\HttpCache\ProxyClient; |
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use FOS\HttpCache\ProxyClient\Invalidation\ClearCapable; |
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use FOS\HttpCache\ProxyClient\Invalidation\PurgeCapable; |
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use FOS\HttpCache\ProxyClient\Invalidation\TagCapable; |
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/** |
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* LiteSpeed Web Server (LSWS) invalidator. |
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* |
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* @author Yanick Witschi <[email protected]> |
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*/ |
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class LiteSpeed extends HttpProxyClient implements PurgeCapable, TagCapable, ClearCapable |
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{ |
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private $headerLines = []; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clear() |
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{ |
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$this->headerLines[] = 'X-LiteSpeed-Purge: *'; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function purge($url, array $headers = []) |
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{ |
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$this->headerLines[] = 'X-LiteSpeed-Purge: '.$url; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configureOptions() |
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{ |
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$resolver = parent::configureOptions(); |
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$resolver->setRequired(['target_dir']); |
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$resolver->setAllowedTypes('target_dir', 'string'); |
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return $resolver; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function invalidateTags(array $tags) |
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{ |
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$this->headerLines[] = 'X-LiteSpeed-Purge: '.implode(', ', preg_filter('/^/', 'tag=', $tags)); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flush() |
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{ |
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$filename = $this->createFile(); |
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$url = '/'.$filename; |
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$this->queueRequest('GET', $url, []); |
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$result = parent::flush(); |
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// Reset |
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$this->headerLines = []; |
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unlink($this->options['target_dir'].'/'.$filename); |
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return $result; |
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} |
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/** |
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* Creates the file and returns the file name. |
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* |
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* @return string |
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*/ |
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private function createFile() |
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{ |
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$content = '<?php'."\n\n"; |
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foreach ($this->headerLines as $header) { |
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$content .= sprintf('header(\'%s\');', $header)."\n"; |
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} |
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// Generate a reasonably random file name, no need to be cryptographically safe here |
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$filename = 'fos_cache_litespeed_purger_'.substr(sha1(uniqid('', true).mt_rand()), 0, mt_rand(10, 40)) . '.php'; |
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file_put_contents($this->options['target_dir'].'/'.$filename, $content); |
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return $filename; |
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} |
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} |
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FriendsOfSymfony /
FOSHttpCache
