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<?php |
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/** |
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* Platine OAuth2 |
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* |
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* Platine OAuth2 is a library that implements the OAuth2 specification |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine OAuth2 |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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declare(strict_types=1); |
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namespace Platine\OAuth2; |
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use Platine\Http\ServerRequestInterface; |
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use Platine\OAuth2\Entity\AccessToken; |
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use Platine\OAuth2\Exception\InvalidAccessTokenException; |
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use Platine\OAuth2\Service\AccessTokenService; |
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/** |
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* The resource server main role is to validate the access token and that its scope covers the |
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* requested resource |
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* |
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* Currently, the resource server only implements the Bearer token usage, as described in the |
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* RFC 6750 (http://tools.ietf.org/html/rfc6750) |
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* |
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* @class ResourceServer |
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* @package Platine\OAuth2 |
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*/ |
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class ResourceServer implements ResourceServerInterface |
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{ |
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/** |
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* The AccessTokenService |
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* @var AccessTokenService |
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*/ |
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protected AccessTokenService $accessTokenService; |
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/** |
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* Create new instance |
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* @param AccessTokenService $accessTokenService |
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*/ |
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public function __construct( |
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AccessTokenService $accessTokenService |
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) { |
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$this->accessTokenService = $accessTokenService; |
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} |
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/** |
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* {@inheritdoc} |
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* Note that this method will only match tokens that are not expired and match the given scopes |
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* (if any). If no token is pass, this method will return null, but if a token is given |
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* and does not exist (ie. has been deleted) or is not valid, then it will trigger an exception |
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* |
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* @link http://tools.ietf.org/html/rfc6750#page-5 |
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*/ |
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public function getAccessToken(ServerRequestInterface $request, $scopes = []): ?AccessToken |
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{ |
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$accessToken = $this->getTokenFromRequest($request); |
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if ($accessToken === null) { |
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return null; |
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} |
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/** @var AccessToken|null $token */ |
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$token = $this->accessTokenService->getToken($accessToken); |
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if ($token === null || $token->isValid($scopes) === false) { |
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throw InvalidAccessTokenException::invalidToken( |
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'Access token has expired or has been deleted' |
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); |
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} |
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return $token; |
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} |
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/** |
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* Return the access token value using server request |
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* @param ServerRequestInterface $request |
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* @return string|null |
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*/ |
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protected function getTokenFromRequest(ServerRequestInterface $request): ?string |
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{ |
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// The preferred way is using Authorization header |
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if ($request->hasHeader('Authorization')) { |
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// Header value is expected to be "Bearer xxx" |
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$parts = explode(' ', $request->getHeaderLine('Authorization')); |
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if (count($parts) < 2) { |
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return null; |
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} |
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return end($parts); |
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} |
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// Default back to authorization in query param |
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$queryParams = $request->getQueryParams(); |
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return $queryParams['access_token'] ?? null; |
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} |
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} |
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