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<?php |
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namespace RichanFongdasen\Varnishable\Concerns; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\GuzzleException; |
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use InvalidArgumentException; |
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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 |
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* |
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* @return void |
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* |
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* @throws GuzzleException |
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* @throws InvalidArgumentException |
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*/ |
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public function flush(string $hostname) :void |
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{ |
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$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 regular expression. |
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* |
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* @param string $hostname |
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* @param string $pattern |
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* |
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* @return void |
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* |
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* @throws GuzzleException |
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* @throws InvalidArgumentException |
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*/ |
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public function banByPattern(string $hostname, string $pattern) :void |
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{ |
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$this->sendBanRequest([ |
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'X-Ban-Host' => $hostname, |
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'X-Ban-Regex' => $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 regular expression. |
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* |
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* @param string $hostname |
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* @param array $patterns |
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* |
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* @return void |
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* |
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* @throws GuzzleException |
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* @throws InvalidArgumentException |
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*/ |
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public function banByPatterns(string $hostname, array $patterns) :void |
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{ |
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foreach ($patterns as $pattern) { |
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$this->banByPattern($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 single urls. |
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* |
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* @param string $hostname |
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* @param string $url |
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* |
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* @return void |
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* |
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* @throws GuzzleException |
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* @throws InvalidArgumentException |
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*/ |
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public function banByUrl(string $hostname, string $url) :void |
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{ |
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$this->sendBanRequest([ |
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'X-Ban-Host' => $hostname, |
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'X-Ban-Url' => $url, |
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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 array $urls |
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* |
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* @return void |
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* |
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* @throws GuzzleException |
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* @throws InvalidArgumentException |
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*/ |
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public function banByUrls(string $hostname, array $urls) :void |
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{ |
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foreach ($urls as $url) { |
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$this->banByUrl($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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* |
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* @return string |
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*/ |
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protected function getVarnishUrl(string $varnishHost) :string |
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{ |
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return 'http://'.$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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* |
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* @return void |
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* |
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* @throws GuzzleException |
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* @throws InvalidArgumentException |
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*/ |
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protected function sendBanRequest(array $headers, string $method = 'BAN') :void |
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{ |
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$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 $key |
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* |
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* @return mixed |
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*/ |
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abstract public function getConfig($key); |
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/** |
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151
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* Get guzzle client object. |
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152
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* |
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* @return \GuzzleHttp\Client |
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*/ |
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155
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abstract public function getGuzzle() :Client; |
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} |
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richan-fongdasen /
laravel-varnishable
