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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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* Cloudflare HTTP cache invalidator. |
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* |
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* Additional constructor options: |
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* - zone_identifier Identifier for your Cloudflare zone you want to purge the cache for |
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* - authentication_token API authorization token, requires Zone.Cache Purge permissions |
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* |
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* @author Simon Jones <[email protected]> |
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*/ |
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class Cloudflare extends HttpProxyClient implements ClearCapable, PurgeCapable, TagCapable |
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{ |
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/** |
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* @see https://api.cloudflare.com/#getting-started-endpoints |
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*/ |
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private const API_ENDPOINT = '/client/v4'; |
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/** |
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* Batch URL purge limit. |
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* |
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* @see https://api.cloudflare.com/#zone-purge-files-by-url |
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*/ |
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private const URL_BATCH_PURGE_LIMIT = 30; |
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/** |
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* Array of data to send to Cloudflare for purge by URLs request. |
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* |
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* @var array |
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*/ |
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private $purgeByUrlsData = []; |
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/** |
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* JSON encode data. |
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* |
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* @param $data |
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* |
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* @return string |
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* |
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* @throws InvalidArgumentException |
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*/ |
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private function encode($data) |
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{ |
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$json = json_encode($data, JSON_UNESCAPED_SLASHES); |
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if (false === $json) { |
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throw new \InvalidArgumentException(sprintf('Cannot encode "$data": %s', json_last_error_msg())); |
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} |
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return $json; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Tag invalidation only available with Cloudflare enterprise account |
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* |
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* @see https://api.cloudflare.com/#zone-purge-files-by-cache-tags,-host-or-prefix |
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*/ |
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public function invalidateTags(array $tags) |
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{ |
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$this->queueRequest( |
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'POST', |
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sprintf(self::API_ENDPOINT.'/zones/%s/purge_cache', $this->options['zone_identifier']), |
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[], |
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false, |
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$this->encode(['tags' => $tags]) |
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); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @see https://api.cloudflare.com/#zone-purge-files-by-url |
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* @see https://developers.cloudflare.com/cache/how-to/purge-cache#purge-by-single-file-by-url For details on headers you can pass to clear the cache correctly |
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*/ |
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public function purge($url, array $headers = []) |
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{ |
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if (!empty($headers)) { |
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$this->purgeByUrlsData[] = [ |
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'url' => $url, |
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'headers' => $headers, |
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]; |
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} else { |
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$this->purgeByUrlsData[] = $url; |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @see https://api.cloudflare.com/#zone-purge-all-files |
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*/ |
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public function clear() |
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{ |
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$this->queueRequest( |
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'POST', |
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sprintf(self::API_ENDPOINT.'/zones/%s/purge_cache', $this->options['zone_identifier']), |
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['Accept' => 'application/json'], |
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false, |
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$this->encode(['purge_everything' => true]) |
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); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} Always provides authentication token |
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*/ |
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protected function queueRequest($method, $url, array $headers, $validateHost = true, $body = null) |
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{ |
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parent::queueRequest( |
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$method, |
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$url, |
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$headers + ['Authorization' => 'Bearer '.$this->options['authentication_token']], |
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$validateHost, |
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$body |
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); |
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} |
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/** |
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* {@inheritdoc} Queue requests for purge by URLs |
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*/ |
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public function flush() |
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{ |
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// Queue requests for purge by URL |
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foreach (\array_chunk($this->purgeByUrlsData, self::URL_BATCH_PURGE_LIMIT) as $urlChunk) { |
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$this->queueRequest( |
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'POST', |
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sprintf(self::API_ENDPOINT.'/zones/%s/purge_cache', $this->options['zone_identifier']), |
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[], |
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false, |
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$this->encode(['files' => $urlChunk]) |
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); |
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} |
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return parent::flush(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configureOptions() |
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{ |
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$resolver = parent::configureOptions(); |
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$resolver->setRequired([ |
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'authentication_token', |
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'zone_identifier', |
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]); |
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return $resolver; |
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} |
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} |
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FriendsOfSymfony /
FOSHttpCache
