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<?php |
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declare(strict_types=1); |
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namespace Arcanedev\NoCaptcha; |
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use Arcanedev\NoCaptcha\Utilities\Request; |
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use Illuminate\Support\HtmlString; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Class AbstractNoCaptcha |
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* |
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* @author ARCANEDEV <[email protected]> |
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*/ |
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abstract class AbstractNoCaptcha implements Contracts\NoCaptcha |
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{ |
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/* ----------------------------------------------------------------- |
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| Constants |
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| ----------------------------------------------------------------- |
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*/ |
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const CAPTCHA_NAME = 'g-recaptcha-response'; |
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/* ----------------------------------------------------------------- |
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| Properties |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* The shared key between your site and ReCAPTCHA |
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* |
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* @var string |
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*/ |
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protected $secret; |
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/** |
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* Your site key |
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* |
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* @var string |
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*/ |
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protected $siteKey; |
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/** |
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* Forces the widget to render in a specific language. |
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* Auto-detects the user's language if unspecified. |
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* |
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* @var string |
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*/ |
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protected $lang; |
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/** |
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* HTTP Request Client |
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* |
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* @var \Arcanedev\NoCaptcha\Contracts\Utilities\Request |
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*/ |
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protected $request; |
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/** |
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* ReCaptcha's response. |
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* |
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* @var \Arcanedev\NoCaptcha\Utilities\ResponseV3|null |
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*/ |
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protected $response; |
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/** |
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* Use the global domain. |
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* |
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* @var bool |
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*/ |
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public static $useGlobalDomain = false; |
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/* ----------------------------------------------------------------- |
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| Constructor |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* NoCaptcha constructor. |
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* |
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* @param string $secret |
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* @param string $siteKey |
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* @param string|null $lang |
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*/ |
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public function __construct($secret, $siteKey, $lang = null) |
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{ |
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$this->setSecret($secret); |
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$this->setSiteKey($siteKey); |
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$this->setLang($lang); |
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$this->setRequestClient(new Request); |
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} |
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/* ----------------------------------------------------------------- |
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| Getters & Setters |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Set the secret key. |
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* |
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* @param string $secret |
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* |
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* @return $this |
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*/ |
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protected function setSecret($secret) |
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{ |
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self::checkKey('secret key', $secret); |
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$this->secret = $secret; |
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return $this; |
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} |
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/** |
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* Get the site key. |
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* |
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* @return string |
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*/ |
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public function getSiteKey() |
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{ |
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return $this->siteKey; |
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} |
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/** |
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* Set Site key. |
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* |
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* @param string $siteKey |
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* |
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* @return $this |
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*/ |
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protected function setSiteKey($siteKey) |
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{ |
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self::checkKey('site key', $siteKey); |
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$this->siteKey = $siteKey; |
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return $this; |
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} |
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/** |
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* Set language code. |
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* |
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* @param string $lang |
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* |
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* @return $this |
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*/ |
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public function setLang($lang) |
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{ |
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$this->lang = $lang; |
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return $this; |
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} |
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/** |
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* Get language code. |
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* |
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* @return string|null |
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*/ |
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public function getLang() |
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{ |
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return $this->lang; |
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} |
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/** |
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* Set HTTP Request Client. |
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* |
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* @param \Arcanedev\NoCaptcha\Contracts\Utilities\Request $request |
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* |
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* @return $this |
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*/ |
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public function setRequestClient(Contracts\Utilities\Request $request) |
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{ |
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$this->request = $request; |
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return $this; |
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} |
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/** |
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* Get the last response. |
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* |
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* @return \Arcanedev\NoCaptcha\Utilities\AbstractResponse|null |
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*/ |
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public function getLastResponse() |
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{ |
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return $this->response; |
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} |
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/** |
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* Get the client url. |
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* |
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* @return string |
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*/ |
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public static function getClientUrl() |
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{ |
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return static::$useGlobalDomain |
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? 'https://www.recaptcha.net/recaptcha/api.js' |
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: 'https://www.google.com/recaptcha/api.js'; |
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} |
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/** |
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* Get the verification url. |
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* |
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* @return string |
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*/ |
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public static function getVerificationUrl() |
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{ |
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return static::$useGlobalDomain |
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? 'https://www.recaptcha.net/recaptcha/api/siteverify' |
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: 'https://www.google.com/recaptcha/api/siteverify'; |
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} |
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/* ----------------------------------------------------------------- |
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| Main Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Verify Response. |
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* |
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* @param string $response |
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* @param string $clientIp |
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* |
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* @return \Arcanedev\NoCaptcha\Utilities\AbstractResponse|mixed |
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*/ |
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public function verify($response, $clientIp = null) |
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{ |
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return $this->response = $this->sendVerifyRequest([ |
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'secret' => $this->secret, |
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'response' => $response, |
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'remoteip' => $clientIp |
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]); |
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} |
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/** |
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* Calls the reCAPTCHA siteverify API to verify whether the user passes CAPTCHA |
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* test using a PSR-7 ServerRequest object. |
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* |
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* @param \Psr\Http\Message\ServerRequestInterface $request |
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* |
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* @return \Arcanedev\NoCaptcha\Utilities\AbstractResponse |
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*/ |
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public function verifyRequest(ServerRequestInterface $request) |
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{ |
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$body = $request->getParsedBody(); |
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$server = $request->getServerParams(); |
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return $this->verify( |
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$body[self::CAPTCHA_NAME] ?? '', |
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$server['REMOTE_ADDR'] ?? null |
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); |
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} |
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/** |
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* Send verify request to API and get response. |
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* |
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* @param array $query |
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* |
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* @return \Arcanedev\NoCaptcha\Contracts\Utilities\Response |
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*/ |
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protected function sendVerifyRequest(array $query = []) |
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{ |
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$query = array_filter($query); |
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$json = $this->request->send( |
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$this->getVerificationUrl().'?'.http_build_query($query) |
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); |
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return $this->parseResponse($json); |
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} |
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/** |
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* Parse the response. |
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* |
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* @param string $json |
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* |
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* @return \Arcanedev\NoCaptcha\Contracts\Utilities\Response|mixed |
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*/ |
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abstract protected function parseResponse($json); |
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/* ----------------------------------------------------------------- |
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| Check Methods |
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| ----------------------------------------------------------------- |
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*/ |
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/** |
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* Check if has lang. |
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* |
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* @return bool |
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*/ |
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protected function hasLang() |
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{ |
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return ! empty($this->getLang()); |
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} |
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208 |
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/** |
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* Check key. |
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208 |
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* |
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* @param string $name |
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* @param string $value |
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*/ |
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private static function checkKey($name, &$value): void |
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{ |
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self::checkIsString($name, $value); |
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$value = trim($value); |
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self::checkIsNotEmpty($name, $value); |
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} |
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216 |
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/** |
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* Check if the value is a string value. |
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* |
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* @param string $name |
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* @param string $value |
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208 |
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* |
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* @throws \Arcanedev\NoCaptcha\Exceptions\ApiException |
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*/ |
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private static function checkIsString($name, $value): void |
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{ |
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if ( ! is_string($value)) { |
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throw new Exceptions\ApiException( |
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"The {$name} must be a string value, ".gettype($value).' given.' |
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); |
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} |
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} |
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/** |
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* Check if the value is not empty. |
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* |
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200 |
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* @param string $name |
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* @param string $value |
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* |
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* @throws \Arcanedev\NoCaptcha\Exceptions\ApiException |
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*/ |
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private static function checkIsNotEmpty($name, $value): void |
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{ |
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if (empty($value)) { |
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throw new Exceptions\ApiException("The {$name} must not be empty"); |
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} |
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} |
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/* ----------------------------------------------------------------- |
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343
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| Other Methods |
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44 |
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| ----------------------------------------------------------------- |
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*/ |
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346
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44 |
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347
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/** |
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348
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* Transform the string to an Html serializable object |
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349
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* |
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* @param string $html |
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* |
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352
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* @return \Illuminate\Support\HtmlString |
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353
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*/ |
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354
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protected function toHtmlString($html) |
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355
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{ |
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return new HtmlString($html); |
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357
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} |
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358
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} |
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