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<?php |
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/** |
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* apparat-server |
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* |
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* @category Apparat |
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* @package Apparat\Server |
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* @subpackage Apparat\Server\Ports |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* 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, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Apparat\Server\Ports\Authenticator; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Abstract bearer authenticator |
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* |
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* @package Apparat\Server |
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* @subpackage Apparat\Server\Ports |
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* @see https://tools.ietf.org/html/rfc6750#section-2 |
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*/ |
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abstract class AbstractBearer implements AuthenticatorInterface |
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{ |
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/** |
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* Authenticate a request |
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* |
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* @param ServerRequestInterface $request Request |
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* @return boolean Request is authenticated |
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* @see https://quill.p3k.io/creating-a-micropub-endpoint#verifying-access-tokens |
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*/ |
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public function authenticate(ServerRequestInterface $request) |
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{ |
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return $this->authenticateHeader($request) |
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|| $this->authenticateBody($request) |
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|| $this->authenticateQuery($request); |
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} |
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/** |
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* Authenticate with an "Authorization" header |
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* |
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* @param ServerRequestInterface $request Request |
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* @return bool Request is valid |
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*/ |
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protected function authenticateHeader(ServerRequestInterface $request) |
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{ |
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// Run through all "Authorization" headers |
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foreach ($request->getHeader('Authorization') as $authHeader) { |
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// If this is supposed to be a bearer token |
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if (!strncmp(strtolower($authHeader), 'bearer', 6)) { |
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$bearerToken = preg_split('%\s+%', $authHeader); |
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// If there is really a bearer token |
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1 |
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if (count($bearerToken) > 1) { |
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return $this->verifyToken($bearerToken[1]); |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Verify the validity of the bearer token |
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* |
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* @param string $token Bearer token |
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* @return boolean The bearer token is valid |
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*/ |
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abstract protected function verifyToken($token); |
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/** |
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* Authenticate with an "access_token" body parameter |
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* |
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* @param ServerRequestInterface $request Request |
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* @return bool Request is valid |
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*/ |
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protected function authenticateBody(ServerRequestInterface $request) |
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{ |
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$bodyParameters = (array)$request->getParsedBody(); |
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return array_key_exists('access_token', $bodyParameters) ? |
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$this->verifyToken($bodyParameters['access_token']) : false; |
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} |
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/** |
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* Authenticate with an "access_token" query parameter |
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* |
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* @param ServerRequestInterface $request Request |
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* @return bool Request is valid |
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*/ |
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protected function authenticateQuery(ServerRequestInterface $request) |
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{ |
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$queryParameters = (array)$request->getQueryParams(); |
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return array_key_exists('access_token', $queryParameters) ? |
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$this->verifyToken($queryParameters['access_token']) : false; |
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} |
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} |
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apparat /
server
