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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\Exception\ExceptionCollection; |
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use FOS\HttpCache\Exception\InvalidArgumentException; |
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use FOS\HttpCache\ProxyClient\Invalidation\BanInterface; |
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use FOS\HttpCache\ProxyClient\Invalidation\PurgeInterface; |
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use FOS\HttpCache\ProxyClient\Invalidation\RefreshInterface; |
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/** |
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* This class forwards invalidation to all attached clients. |
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*/ |
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class MultiplexerClient implements BanInterface, PurgeInterface, RefreshInterface |
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{ |
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/** |
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* @var ProxyClientInterface[] |
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*/ |
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private $proxyClients; |
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/** |
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* MultiplexerClient constructor. |
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* |
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* @param ProxyClientInterface[] $proxyClients The list of Proxy clients |
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*/ |
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public function __construct(array $proxyClients) |
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{ |
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foreach ($proxyClients as $proxyClient) { |
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if (!$proxyClient instanceof ProxyClientInterface) { |
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throw new InvalidArgumentException('Expected ProxyClientInterface, got: '. |
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(is_object($proxyClient) ? get_class($proxyClient) : gettype($proxyClient)) |
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); |
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} |
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} |
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$this->proxyClients = $proxyClients; |
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} |
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/** |
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* Forwards to all clients. |
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* |
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* @param array $headers HTTP headers that path must match to be banned |
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* |
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* @return $this |
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*/ |
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public function ban(array $headers) |
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{ |
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$this->invoke(BanInterface::class, 'ban', [$headers]); |
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return $this; |
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} |
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/** |
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* Forwards to all clients. |
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* |
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* @param string $path Regular expression pattern for URI to invalidate |
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* @param string $contentType Regular expression pattern for the content type to limit banning, for instance |
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* 'text' |
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* @param array|string $hosts Regular expression of a host name or list of exact host names to limit banning |
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* |
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* @return $this |
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*/ |
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public function banPath($path, $contentType = null, $hosts = null) |
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{ |
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$this->invoke(BanInterface::class, 'banPath', [$path, $contentType, $hosts]); |
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return $this; |
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} |
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/** |
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* Forwards to all clients. |
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* |
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* @return int The number of cache invalidations performed per caching server |
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* |
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* @throws ExceptionCollection If any errors occurred during flush |
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*/ |
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public function flush() |
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{ |
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$count = 0; |
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foreach ($this->proxyClients as $proxyClient) { |
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$count += $proxyClient->flush(); |
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} |
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return $count; |
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} |
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/** |
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* Forwards to all clients. |
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* |
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* @param string $url Path or URL to purge |
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* @param array $headers Extra HTTP headers to send to the caching proxy (optional) |
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* |
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* @return $this |
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*/ |
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public function purge($url, array $headers = array()) |
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{ |
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$this->invoke(PurgeInterface::class, 'purge', [$url, $headers]); |
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return $this; |
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} |
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/** |
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* Forwards to all clients. |
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* |
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* @param string $url Path or URL to refresh |
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* @param array $headers Extra HTTP headers to send to the caching proxy (optional) |
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* |
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* @return $this |
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*/ |
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public function refresh($url, array $headers = []) |
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{ |
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$this->invoke(RefreshInterface::class, 'refresh', [$url, $headers]); |
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return $this; |
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} |
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/** |
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* Helper function to invoke the given $method on all available ProxyClients implementing the given $interface. |
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* |
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* @param string $interface The FQN of the interface |
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* @param string $method The method to invoke |
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* @param array $arguments The arguments to be passed to the method |
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*/ |
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private function invoke($interface, $method, array $arguments) |
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{ |
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foreach ($this->proxyClients as $proxyClient) { |
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if (is_subclass_of($proxyClient, $interface)) { |
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call_user_func_array([$proxyClient, $method], $arguments); |
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} |
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} |
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} |
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} |
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FriendsOfSymfony /
FOSHttpCache
