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<?php |
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namespace RichanFongdasen\Varnishable\Concerns; |
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trait InvalidateVarnishCache |
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{ |
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/** |
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* Flush entire cache for an application hostname. |
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* |
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* @param string $hostname [description] |
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* @return void |
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*/ |
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public function flush($hostname) |
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{ |
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$this->sendBanRequest([ |
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'X-Ban-Host' => $hostname |
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], 'FULLBAN'); |
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} |
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/** |
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* Generate ban request for an application hostname, |
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* specified by a set of regular expression. |
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* |
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* @param string $hostname |
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* @param string|array $patterns |
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* @return void |
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*/ |
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public function banByPatterns($hostname, $patterns) |
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{ |
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if (!is_array($patterns)) { |
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return $this->sendBanRequest([ |
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'X-Ban-Host' => $hostname, |
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'X-Ban-Regex' => $patterns |
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]); |
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} |
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foreach ($patterns as $pattern) { |
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$this->banByPatterns($hostname, $pattern); |
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} |
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} |
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/** |
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* Generate ban request for an application hostname, |
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* specified by a set of urls. |
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* |
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* @param string $hostname |
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* @param string|array $urls |
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* @return void |
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*/ |
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public function banByUrls($hostname, $urls) |
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{ |
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if (!is_array($urls)) { |
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return $this->sendBanRequest([ |
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'X-Ban-Host' => $hostname, |
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'X-Ban-Url' => $urls |
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]); |
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} |
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foreach ($urls as $url) { |
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$this->banByUrls($hostname, $url); |
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} |
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} |
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/** |
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* Get a valid varnish host url to send the |
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* ban request. |
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* |
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* @param string $varnishHost |
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* @return string |
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*/ |
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protected function getVarnishUrl($varnishHost) |
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{ |
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return 'http://' . $varnishHost . ':' . $this->getConfig('varnish_port') . '/'; |
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} |
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/** |
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* Send the ban request to every varnish hosts. |
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* |
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* @param array $headers |
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* @param string $method |
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* @return void |
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*/ |
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protected function sendBanRequest(array $headers, $method = 'BAN') |
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{ |
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$guzzle = $this->getGuzzle(); |
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foreach ((array) $this->getConfig('varnish_hosts') as $varnishHost) { |
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$url = $this->getVarnishUrl($varnishHost); |
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$guzzle->request($method, $url, ['headers' => $headers]); |
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} |
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} |
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/** |
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* Get configuration value for a specific key. |
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* |
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* @param string $key |
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* @return mixed |
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*/ |
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abstract public function getConfig($key); |
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/** |
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* Get guzzle client object. |
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* |
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* @return \GuzzleHttp\Client |
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*/ |
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abstract public function getGuzzle(); |
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} |
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richan-fongdasen /
laravel-varnishable
