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<?php |
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/** |
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* Created by PhpStorm. |
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* User: Alexandre |
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* Date: 11/06/2018 |
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* Time: 21:06 |
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*/ |
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namespace OAuth2\Extensions\PKCE\Endpoints\Authorization; |
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use OAuth2\Exceptions\InvalidAuthorizationRequest; |
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use OAuth2\Exceptions\InvalidRequestMethod; |
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use OAuth2\Exceptions\OAuthException; |
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use OAuth2\Roles\ClientTypes\PublicClient; |
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use OAuth2\Roles\ResourceOwnerInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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class AuthorizationRequestBuilder extends \OAuth2\Endpoints\Authorization\AuthorizationRequestBuilder |
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{ |
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/** |
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* @param ServerRequestInterface $request |
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* @param ResourceOwnerInterface $resourceOwner |
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* @return AuthorizationRequest |
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* @throws InvalidRequestMethod |
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* @throws OAuthException |
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* @throws InvalidAuthorizationRequest |
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*/ |
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public function build(ServerRequestInterface $request, ResourceOwnerInterface $resourceOwner): \OAuth2\Endpoints\Authorization\AuthorizationRequest |
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{ |
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$authorizationRequest = parent::build($request, $resourceOwner); |
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try { |
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$codeChallenge = $authorizationRequest->getData()['code_challenge'] ?? null; |
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$codeChallengeMethod = 'plain'; |
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if(!empty($authorizationRequest->getData()['code_challenge_method'])) { |
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$codeChallengeMethod = $authorizationRequest->getData()['code_challenge_method']; |
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} |
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if (empty($codeChallenge)) { |
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if ($authorizationRequest->getClient() instanceof PublicClient) { |
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throw new OAuthException('invalid_request', |
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'The request is missing the required parameter code_challenge for public clients.', |
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'https://tools.ietf.org/html/rfc7636#section-4.4'); |
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} |
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return $authorizationRequest; |
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} |
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if (!in_array($codeChallengeMethod, ['plain', 'S256'])) { |
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throw new OAuthException('invalid_request', |
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'The request includes the invalid parameter code_challenge_method. Supported : plain, S256.', |
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'https://tools.ietf.org/html/rfc7636#section-4'); |
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} |
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} catch (OAuthException $e) { |
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throw new InvalidAuthorizationRequest($e, $authorizationRequest->getRedirectUri(), |
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$authorizationRequest->getResponseMode(), $authorizationRequest->getState()); |
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} |
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return new AuthorizationRequest($authorizationRequest, $codeChallenge, $codeChallengeMethod); |
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} |
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} |
php-guard /
oauth-server
