/** * Internal function used to get the client credentials from HTTP basic * auth or POST data. * * According to the spec (draft 20), the client_id can be provided in * the Basic Authorization header (recommended) or via GET/POST. * * @return * A list containing the client identifier and password, for example * @code * return array( * CLIENT_ID, * CLIENT_SECRET * ); * @endcode * * @see http://tools.ietf.org/html/rfc6749#section-2.4.1 * * @ingroup oauth2_section_2 */ public function getClientCredentials(OAuth2_RequestInterface $request) { if (!is_null($request->headers('PHP_AUTH_USER')) && !is_null($request->headers('PHP_AUTH_PW'))) { return array('client_id' => $request->headers('PHP_AUTH_USER'), 'client_secret' => $request->headers('PHP_AUTH_PW')); } // This method is not recommended, but is supported by specification if (!is_null($request->request('client_id')) && !is_null($request->request('client_secret'))) { return array('client_id' => $request->request('client_id'), 'client_secret' => $request->request('client_secret')); } if (!is_null($request->query('client_id')) && !is_null($request->query('client_secret'))) { return array('client_id' => $request->query('client_id'), 'client_secret' => $request->query('client_secret')); } $this->response = new OAuth2_Response_Error(400, 'invalid_client', 'Client credentials were not found in the headers or body'); return null; }
/** * Internal function used to get the client credentials from HTTP basic * auth or POST data. * * According to the spec (draft 20), the client_id can be provided in * the Basic Authorization header (recommended) or via GET/POST. * * @return * A list containing the client identifier and password, for example * @code * return array( * "client_id" => CLIENT_ID, // REQUIRED the client id * "client_secret" => CLIENT_SECRET, // REQUIRED the client secret * ); * @endcode * * @see http://tools.ietf.org/html/rfc6749#section-2.3.1 * * @ingroup oauth2_section_2 */ public function getClientCredentials(OAuth2_RequestInterface $request, OAuth2_ResponseInterface $response = null) { if (!is_null($request->headers('PHP_AUTH_USER')) && !is_null($request->headers('PHP_AUTH_PW'))) { return array('client_id' => $request->headers('PHP_AUTH_USER'), 'client_secret' => $request->headers('PHP_AUTH_PW')); } if ($this->config['allow_credentials_in_request_body']) { // Using POST for HttpBasic authorization is not recommended, but is supported by specification if (!is_null($request->request('client_id'))) { /** * client_secret can be null if the client's password is an empty string * @see http://tools.ietf.org/html/rfc6749#section-2.3.1 */ return array('client_id' => $request->request('client_id'), 'client_secret' => $request->request('client_secret', '')); } } if ($response) { $response->setError(400, 'invalid_client', 'Client credentials were not found in the headers or body'); } return null; }
/** * This is a convenience function that can be used to get the token, which can then * be passed to getAccessTokenData(). The constraints specified by the draft are * attempted to be adheared to in this method. * * As per the Bearer spec (draft 8, section 2) - there are three ways for a client * to specify the bearer token, in order of preference: Authorization Header, * POST and GET. * * NB: Resource servers MUST accept tokens via the Authorization scheme * (http://tools.ietf.org/html/rfc6750#section-2). * * @todo Should we enforce TLS/SSL in this function? * * @see http://tools.ietf.org/html/rfc6750#section-2.1 * @see http://tools.ietf.org/html/rfc6750#section-2.2 * @see http://tools.ietf.org/html/rfc6750#section-2.3 * * Old Android version bug (at least with version 2.2) * @see http://code.google.com/p/android/issues/detail?id=6684 * */ public function getAccessTokenParameter(OAuth2_RequestInterface $request, OAuth2_ResponseInterface $response) { $headers = $request->headers('AUTHORIZATION'); // Check that exactly one method was used $methodsUsed = !empty($headers) + !is_null($request->query($this->config['token_param_name'])) + !is_null($request->request($this->config['token_param_name'])); if ($methodsUsed > 1) { $response->setError(400, 'invalid_request', 'Only one method may be used to authenticate at a time (Auth header, GET or POST)'); return null; } if ($methodsUsed == 0) { $response->setStatusCode(401); return null; } // HEADER: Get the access token from the header if (!empty($headers)) { if (!preg_match('/' . $this->config['token_bearer_header_name'] . '\\s(\\S+)/', $headers, $matches)) { $response->setError(400, 'invalid_request', 'Malformed auth header'); return null; } return $matches[1]; } if ($request->request($this->config['token_param_name'])) { // POST: Get the token from POST data if (strtolower($request->server('REQUEST_METHOD')) != 'post') { $response->setError(400, 'invalid_request', 'When putting the token in the body, the method must be POST'); return null; } $contentType = $request->server('CONTENT_TYPE'); if (false !== ($pos = strpos($contentType, ';'))) { $contentType = substr($contentType, 0, $pos); } if ($contentType !== null && $contentType != 'application/x-www-form-urlencoded') { // IETF specifies content-type. NB: Not all webservers populate this _SERVER variable // @see http://tools.ietf.org/html/rfc6750#section-2.2 $response->setError(400, 'invalid_request', 'The content type for POST requests must be "application/x-www-form-urlencoded"'); return null; } return $request->request($this->config['token_param_name']); } // GET method return $request->query($this->config['token_param_name']); }