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<?php |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2016 Gabriel Somoza |
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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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namespace Somoza\Psr7\OAuth2Middleware; |
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use League\OAuth2\Client\Provider\AbstractProvider; |
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use League\OAuth2\Client\Token\AccessToken; |
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use Psr\Http\Message\RequestInterface; |
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/** |
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* Bearer PSR7 Middleware |
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* |
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* @author Gabriel Somoza <[email protected]> |
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*/ |
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final class Bearer |
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{ |
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const HEADER_AUTHENTICATION = 'Authentication'; |
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const AUTHENTICATION_SCHEMA = 'Bearer'; |
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/** @var AbstractProvider */ |
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private $provider; |
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/** @var AccessToken */ |
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private $accessToken; |
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/** |
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* OAuth2Middleware constructor. |
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* @param AccessToken $accessToken |
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* @param AbstractProvider $provider |
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*/ |
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public function __construct( |
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AbstractProvider $provider, |
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AccessToken $accessToken = null |
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) { |
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$this->provider = $provider; |
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$this->accessToken = $accessToken; |
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} |
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/** |
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* __invoke |
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* @param callable $handler |
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* @return \Closure |
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*/ |
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public function __invoke(callable $handler) |
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{ |
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return function(RequestInterface $request, array $options) use ($handler) { |
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$request = $this->authenticate($request); |
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return $handler($request, $options); |
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}; |
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} |
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/** |
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* Authenticate |
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* @param RequestInterface $request |
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* @return RequestInterface |
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*/ |
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protected function authenticate(RequestInterface $request) |
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{ |
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if ($request->getMethod() !== 'GET' |
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|| $request->hasHeader('Authentication') |
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|| $request->getUri() == $this->provider->getBaseAuthorizationUrl() |
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) { |
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return $request; |
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} |
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$this->checkAccessToken(); |
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return $request->withHeader( |
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self::HEADER_AUTHENTICATION, |
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self::AUTHENTICATION_SCHEMA . ' ' . $this->accessToken->getToken() |
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); |
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} |
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/** |
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* checkAccessToken |
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* @return AccessToken |
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*/ |
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private function checkAccessToken() |
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{ |
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$now = time(); |
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if (!$this->accessToken |
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|| ($this->accessToken->getExpires() !== null |
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&& $this->accessToken->getExpires() - $now <= 0) |
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) { |
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$this->accessToken = $this->provider->getAccessToken('client_credentials'); |
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} |
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} |
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} |
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gsomoza /
oauth2-middleware
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This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.