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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Biurad opensource projects. |
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* |
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* PHP version 7.4 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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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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*/ |
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namespace Biurad\Security\Handler; |
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use Biurad\Security\Helper; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Symfony\Component\Security\Core\Exception\BadCredentialsException; |
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/** |
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* Request Captcha validation. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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class CaptchaValidationHandler |
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{ |
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public const RECAPTCHA = 'recaptcha'; |
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public const HCAPTCHA = 'hcaptcha'; |
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private array $validators = [ |
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self::RECAPTCHA => [null, ['g-recaptcha-response'], null], |
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self::HCAPTCHA => [null, ['h-captcha-response'], null], |
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]; |
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/** |
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* Add/Replace captcha validation. |
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* |
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* @param string $type The name of the captcha to use |
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* @param string $secret The secret code to access |
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* @param array<int,string> $parameterKeys The required parameters list from request body |
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* @param callable|null $handler The handler is in form of: $handler($request, $credentials, $secret) |
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*/ |
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public function add(string $type, string $secret, array $parameterKeys = [], callable $handler = null): void |
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{ |
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if ($validator = &$this->validators[$type] ?? null) { |
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$secret = $validator[$secret] ?? $secret; |
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$parameterKeys = \array_merge($validator[1] ?? [], $parameterKeys); |
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} |
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$validator = [$secret, $parameterKeys, $handler]; |
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} |
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/** |
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* Authenticate a request using captcha. |
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*/ |
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public function authenticate(ServerRequestInterface $request, string $type = self::RECAPTCHA): bool |
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{ |
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[$secret, $parameters, $handler] = $this->validators[$type] ?? [null, [], null]; |
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$credentials = Helper::getParameterValues($request, $parameters); |
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if (!isset($secret)) { |
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throw new BadCredentialsException('Cannot authenticate request without secret key'); |
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} |
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if (null !== $handler) { |
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return $handler($request, $credentials, $secret); |
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} |
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if (self::RECAPTCHA === $type) { |
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if (empty($captcha = $credentials['g-recaptcha-response'])) { |
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return false; |
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}; |
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$url = 'https://www.google.com/recaptcha/api/siteverify?secret=' . \urlencode($secret) . '&response=' . \urlencode($captcha); |
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$response = \file_get_contents($url); |
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$responseKeys = \json_decode($response, true); |
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return $responseKeys['success'] ?? false; |
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} |
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if (self::HCAPTCHA === $type) { |
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if (empty($captcha = $credentials['h-captcha-response'])) { |
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return false; |
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}; |
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$url = 'https://hcaptcha.com/siteverify?secret=' . \urlencode($secret) . '&response=' . \urlencode($captcha) . '&remoteip='; |
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$response = \file_get_contents($url . ($request->getServerParams()['REMOTE_ADDR'] ?? '')); |
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$responseKeys = \json_decode($response, true); |
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return $responseKeys['success'] ?? false; |
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} |
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return false; |
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} |
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} |
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biurad /
php-security
