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<?php |
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namespace OAuth2\Controller; |
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use OAuth2\TokenType\TokenTypeInterface; |
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use OAuth2\Storage\AccessTokenInterface; |
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use OAuth2\ScopeInterface; |
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use OAuth2\RequestInterface; |
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use OAuth2\ResponseInterface; |
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use OAuth2\Scope; |
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/** |
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* @see OAuth2\Controller\ResourceControllerInterface |
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*/ |
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class ResourceController implements ResourceControllerInterface |
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{ |
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private $token; |
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protected $tokenType; |
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protected $tokenStorage; |
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protected $config; |
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protected $scopeUtil; |
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public function __construct(TokenTypeInterface $tokenType, AccessTokenInterface $tokenStorage, $config = array(), ScopeInterface $scopeUtil = null) |
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{ |
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$this->tokenType = $tokenType; |
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$this->tokenStorage = $tokenStorage; |
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$this->config = array_merge(array( |
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'www_realm' => 'Service', |
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), $config); |
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if (is_null($scopeUtil)) { |
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$scopeUtil = new Scope(); |
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} |
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$this->scopeUtil = $scopeUtil; |
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} |
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public function verifyResourceRequest(RequestInterface $request, ResponseInterface $response, $scope = null) |
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{ |
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$token = $this->getAccessTokenData($request, $response); |
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// Check if we have token data |
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if (is_null($token)) { |
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return false; |
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} |
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/** |
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* Check scope, if provided |
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* If token doesn't have a scope, it's null/empty, or it's insufficient, then throw 403 |
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* @see http://tools.ietf.org/html/rfc6750#section-3.1 |
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*/ |
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if ($scope && (!isset($token["scope"]) || !$token["scope"] || !$this->scopeUtil->checkScope($scope, $token["scope"]))) { |
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$response->setError(403, 'insufficient_scope', 'The request requires higher privileges than provided by the access token'); |
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$response->addHttpHeaders(array( |
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'WWW-Authenticate' => sprintf('%s realm="%s", scope="%s", error="%s", error_description="%s"', |
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$this->tokenType->getTokenType(), |
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$this->config['www_realm'], |
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$scope, |
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$response->getParameter('error'), |
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$response->getParameter('error_description') |
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) |
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)); |
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return false; |
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} |
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// allow retrieval of the token |
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$this->token = $token; |
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return (bool) $token; |
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} |
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public function getAccessTokenData(RequestInterface $request, ResponseInterface $response) |
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{ |
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// Get the token parameter |
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if ($token_param = $this->tokenType->getAccessTokenParameter($request, $response)) { |
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// Get the stored token data (from the implementing subclass) |
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// Check we have a well formed token |
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// Check token expiration (expires is a mandatory paramter) |
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if (!$token = $this->tokenStorage->getAccessToken($token_param)) { |
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$response->setError(401, 'invalid_token', 'The access token provided is invalid'); |
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} elseif (!isset($token["expires"]) || !isset($token["client_id"])) { |
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$response->setError(401, 'malformed_token', 'Malformed token (missing "expires")'); |
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} elseif (time() > $token["expires"]) { |
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$response->setError(401, 'expired_token', 'The access token provided has expired'); |
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} else { |
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return $token; |
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} |
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} |
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$authHeader = sprintf('%s realm="%s"', $this->tokenType->getTokenType(), $this->config['www_realm']); |
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if ($error = $response->getParameter('error')) { |
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$authHeader = sprintf('%s, error="%s"', $authHeader, $error); |
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if ($error_description = $response->getParameter('error_description')) { |
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$authHeader = sprintf('%s, error_description="%s"', $authHeader, $error_description); |
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} |
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} |
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$response->addHttpHeaders(array('WWW-Authenticate' => $authHeader)); |
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return null; |
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} |
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// convenience method to allow retrieval of the token |
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public function getToken() |
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{ |
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return $this->token; |
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} |
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} |
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redCOMPONENT-COM /
redCORE
