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Merge pull request #25 from rtp-cgs/feature/curl-proxy-option
Feature/curl proxy option
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| <?php | ||
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| namespace Wegmeister\Recaptcha\RequestMethod; | ||
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| use ReCaptcha\ReCaptcha; | ||
| use ReCaptcha\RequestMethod; | ||
| use ReCaptcha\RequestMethod\Curl; | ||
| use ReCaptcha\RequestParameters; | ||
| use Neos\Flow\Annotations as Flow; | ||
|
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| /** | ||
| * Copy of \ReCaptcha\RequestMethod\CurlPost() | ||
| * adding functionality for curl to work with a http proxy | ||
| */ | ||
| class CurlPostWithProxy implements RequestMethod | ||
| { | ||
| /** | ||
| * Curl connection to the reCAPTCHA service | ||
| * | ||
| * @var Curl | ||
| */ | ||
| private $curl; | ||
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| /** | ||
| * URL for reCAPTCHA siteverify API | ||
| * | ||
| * @var string | ||
| */ | ||
| private $siteVerifyUrl; | ||
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| /** | ||
| * Recaptcha settings | ||
| * | ||
| * @var array | ||
| */ | ||
| protected $settings; | ||
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| /** | ||
| * @var string | ||
| */ | ||
| protected $proxyHost; | ||
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| /** | ||
| * @var int | ||
| */ | ||
| protected $proxyPort; | ||
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| /** | ||
| * Inject the settings | ||
| * | ||
| * @param array $settings The settings to inject. | ||
| * | ||
| * @return void | ||
| * @throws \Exception | ||
| */ | ||
| public function injectSettings(array $settings) | ||
| { | ||
| if (empty($settings['httpProxy'])) { | ||
| throw new \Exception("Missing configuration, please add the following settings: 'Wegmeister.Recaptcha.httpProxy'"); | ||
| } | ||
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| if(!is_string($settings['httpProxy'])){ | ||
| throw new \Exception("Invalid configuration, the Wegmeister.Recaptcha.httpProxy option has to be a string."); | ||
| } | ||
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| $httpProxyParts = explode(':', $settings['httpProxy']); | ||
| if(count($httpProxyParts) !== 2 || (int)$httpProxyParts[1] === 0){ | ||
| throw new \Exception("Invalid configuration, the Wegmeister.Recaptcha.httpProxy option should have the following format: 'http://yourproxy.com:1234'"); | ||
| } | ||
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| $this->proxyHost = $httpProxyParts[0]; | ||
| $this->proxyPort = $httpProxyParts[1]; | ||
|
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| $this->settings = $settings; | ||
| } | ||
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| /** | ||
| * Only needed if you want to override the defaults | ||
| * | ||
| * @param Curl $curl Curl resource | ||
| * @param string $siteVerifyUrl URL for reCAPTCHA siteverify API | ||
| */ | ||
| public function __construct(Curl $curl = null, $siteVerifyUrl = null) | ||
| { | ||
| $this->curl = (is_null($curl)) ? new Curl() : $curl; | ||
| $this->siteVerifyUrl = (is_null($siteVerifyUrl)) ? ReCaptcha::SITE_VERIFY_URL : $siteVerifyUrl; | ||
| } | ||
|
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| /** | ||
| * Submit the cURL request with the specified parameters. | ||
| * | ||
| * @param RequestParameters $params Request parameters | ||
| * | ||
| * @return string Body of the reCAPTCHA response | ||
| */ | ||
| public function submit(RequestParameters $params) | ||
| { | ||
| $handle = $this->curl->init($this->siteVerifyUrl); | ||
|
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| $options = [ | ||
| CURLOPT_POST => true, | ||
| CURLOPT_POSTFIELDS => $params->toQueryString(), | ||
| CURLOPT_HTTPHEADER => [ | ||
| 'Content-Type: application/x-www-form-urlencoded', | ||
| ], | ||
| CURLINFO_HEADER_OUT => false, | ||
| CURLOPT_HEADER => false, | ||
| CURLOPT_RETURNTRANSFER => true, | ||
| CURLOPT_SSL_VERIFYPEER => true, | ||
| ]; | ||
|
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| $httpProxy = $this->settings['httpProxy']; | ||
| $this->emitHttpProxyRetrieved($httpProxy); | ||
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| $options[CURLOPT_RETURNTRANSFER] = 1; | ||
| $options[CURLOPT_PROXY] = $this->proxyHost; | ||
| $options[CURLOPT_PROXYPORT] = $this->proxyPort; | ||
|
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| $this->curl->setoptArray($handle, $options); | ||
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| $response = $this->curl->exec($handle); | ||
| $this->curl->close($handle); | ||
|
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| if ($response !== false) { | ||
| return $response; | ||
| } | ||
|
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| return '{"success": false, "error-codes": ["' . ReCaptcha::E_CONNECTION_FAILED . '"]}'; | ||
| } | ||
|
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| /** | ||
| * @param string $httpProxy | ||
| * | ||
| * @return void | ||
| * @Flow\Signal | ||
| */ | ||
| protected function emitHttpProxyRetrieved(string &$httpProxy) | ||
| { | ||
| } | ||
| } |
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