public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request('code')) {
$response->setError(400, 'invalid_request', 'Missing parameter: "code" is required');
return false;
}
$code = $request->request('code');
if (!($authCode = $this->storage->getAuthorizationCode($code))) {
$response->setError(400, 'invalid_grant', 'Authorization code doesn\'t exist or is invalid for the client');
return false;
}
/*
* 4.1.3 - ensure that the "redirect_uri" parameter is present if the "redirect_uri" parameter was included in the initial authorization request
* @uri - http://tools.ietf.org/html/rfc6749#section-4.1.3
*/
if (isset($authCode['redirect_uri']) && $authCode['redirect_uri']) {
if (!$request->request('redirect_uri') || urldecode($request->request('redirect_uri')) != $authCode['redirect_uri']) {
$response->setError(400, 'redirect_uri_mismatch', "The redirect URI is missing or do not match", "#section-4.1.3");
return false;
}
}
if (!isset($authCode['expires'])) {
throw new Exception('Storage must return authcode with a value for "expires"');
}
if ($authCode["expires"] < time()) {
$response->setError(400, 'invalid_grant', "The authorization code has expired");
return false;
}
if (!isset($authCode['code'])) {
$authCode['code'] = $code;
// used to expire the code after the access token is granted
}
$this->authCode = $authCode;
return true;
}
/**
* Grant or deny a requested access token.
* This would be called from the "/token" endpoint as defined in the spec.
* You can call your endpoint whatever you want.
*
* @param $request - RequestInterface
* Request object to grant access token
*
* @throws InvalidArgumentException
* @throws LogicException
*
* @see http://tools.ietf.org/html/rfc6749#section-4
* @see http://tools.ietf.org/html/rfc6749#section-10.6
* @see http://tools.ietf.org/html/rfc6749#section-4.1.3
*
* @ingroup oauth2_section_4
*/
public function grantAccessToken(RequestInterface $request, ResponseInterface $response)
{
if (strtolower($request->server('REQUEST_METHOD')) != 'post') {
$response->setError(405, 'invalid_request', 'The request method must be POST when requesting an access token', '#section-3.2');
$response->addHttpHeaders(array('Allow' => 'POST'));
return null;
}
/* Determine grant type from request
* and validate the request for that grant type
*/
if (!($grantTypeIdentifier = $request->request('grant_type'))) {
$response->setError(400, 'invalid_request', 'The grant type was not specified in the request');
return null;
}
if (!isset($this->grantTypes[$grantTypeIdentifier])) {
/* TODO: If this is an OAuth2 supported grant type that we have chosen not to implement, throw a 501 Not Implemented instead */
$response->setError(400, 'unsupported_grant_type', sprintf('Grant type "%s" not supported', $grantTypeIdentifier));
return null;
}
$grantType = $this->grantTypes[$grantTypeIdentifier];
if (!$grantType->validateRequest($request, $response)) {
return null;
}
/* Retrieve the client information from the request
* ClientAssertionTypes allow for grant types which also assert the client data
* in which case ClientAssertion is handled in the validateRequest method
*
* @see OAuth2\GrantType\JWTBearer
* @see OAuth2\GrantType\ClientCredentials
*/
if ($grantType instanceof ClientAssertionTypeInterface) {
$clientId = $grantType->getClientId();
} else {
if (!$this->clientAssertionType->validateRequest($request, $response)) {
return null;
}
$clientId = $this->clientAssertionType->getClientId();
// validate the Client ID (if applicable)
if (!is_null($storedClientId = $grantType->getClientId()) && $storedClientId != $clientId) {
$response->setError(400, 'invalid_grant', sprintf('%s doesn\'t exist or is invalid for the client', $grantTypeIdentifier));
return null;
}
}
/*
* Validate the scope of the token
* If the grant type returns a value for the scope,
* this value must be verified with the scope being requested
*/
$availableScope = $grantType->getScope();
if (!($requestedScope = $this->scopeUtil->getScopeFromRequest($request))) {
$requestedScope = $availableScope ? $availableScope : $this->scopeUtil->getDefaultScope();
}
if ($requestedScope && !$this->scopeUtil->scopeExists($requestedScope, $clientId) || $availableScope && !$this->scopeUtil->checkScope($requestedScope, $availableScope)) {
$response->setError(400, 'invalid_scope', 'An unsupported scope was requested');
return null;
}
return $grantType->createAccessToken($this->accessToken, $clientId, $grantType->getUserId(), $requestedScope);
}
/**
* 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(RequestInterface $request, ResponseInterface $response)
{
$headers = $request->headers('AUTHORIZATION');
// echo ($headers."bearer");
/**
* Ensure more than one method is not used for including an
* access token
*
* @see http://tools.ietf.org/html/rfc6750#section-3.1
*/
$methodsUsed = !empty($headers) + (bool) $request->query($this->config['token_param_name']) + (bool) $request->request($this->config['token_param_name']);
// echo ($methodsUsed);
// echo ("<br>".$this->config['token_param_name']."<br>");
if ($methodsUsed > 1) {
$response->setError(400, 'invalid_request', 'Only one method may be used to authenticate at a time (Auth header, GET or POST)');
return null;
}
/**
* If no authentication is provided, set the status code
* to 401 and return no other error information
*
* @see http://tools.ietf.org/html/rfc6750#section-3.1
*/
if ($methodsUsed == 0) {
$response->setStatusCode(401);
// echo ("no auth");
return null;
}
// HEADER: Get the access token from the header
if (!empty($headers)) {
if (!preg_match('/' . $this->config['token_bearer_header_name'] . '\\s(\\S+)/i', $headers, $matches)) {
$response->setError(400, 'invalid_request', 'Malformed auth header');
return null;
}
return $matches[1];
}
if ($request->request($this->config['token_param_name'])) {
// // POST: Get the token from POST data
if (!in_array(strtolower($request->server('REQUEST_METHOD')), array('post', 'put'))) {
$response->setError(400, 'invalid_request', 'When putting the token in the body, the method must be POST or PUT', '#section-2.2');
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']);
}
/**
* 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(RequestInterface $request, 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, $pos);
}
LogMessage($request->request('upload_image'));
LogMessage($contentType);
if (!$request->files['Filedata']) {
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']);
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request('client_id')) {
$response->setError(400, 'invalid_request', 'Missing parameter: "client_id" is required');
return false;
}
/*
* Ensure that the client_id existed
*/
$client_id = $request->request('client_id');
if (!($client = $this->storage->getClientDetails($client_id))) {
$response->setError(400, 'invalid_client', 'The client id supplied is invalid');
return false;
}
$this->client = $client;
return true;
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$this->_adapter->checkUserCredentials($request->request('identity'), $request->request('token'))) {
$response->setError(401, 'invalid_grant', 'Invalid identity and token combination');
return null;
}
$userInfo = $this->_adapter->getUserDetails($request->request('identity'));
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException("You must set the user_id on the array returned by getUserDetails");
}
$this->_userInfo = $userInfo;
return true;
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request("refresh_token")) {
$response->setError(400, 'invalid_request', 'Missing parameter: "refresh_token" is required');
return null;
}
if (!($refreshToken = $this->storage->getRefreshToken($request->request("refresh_token")))) {
$response->setError(400, 'invalid_grant', 'Invalid refresh token');
return null;
}
if ($refreshToken['expires'] > 0 && $refreshToken["expires"] < time()) {
$response->setError(400, 'invalid_grant', 'Refresh token has expired');
return null;
}
// store the refresh token locally so we can delete it when a new refresh token is generated
$this->refreshToken = $refreshToken;
return true;
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
$identifier = $this->getQuerystringIdentifier();
if (!$request->request($identifier)) {
$response->setError(400, 'invalid_request', 'Missing parameters: "' . $identifier . '" required');
return null;
}
$fb_app_id = Config::get('api-foundation::fb_app_id');
$fb_app_secret = Config::get('api-foundation::fb_app_secret');
if (empty($fb_app_id)) {
throw new \LogicException('Facebook APP ID not set.');
}
if (empty($fb_app_secret)) {
throw new \LogicException('Facebook APP SECRET not set.');
}
FacebookSession::setDefaultApplication($fb_app_id, $fb_app_secret);
try {
$session = new FacebookSession($request->request($identifier));
} catch (FacebookRequestException $e) {
$response->setError(401, 'invalid_grant', $e->getMessage());
return null;
} catch (\Exception $e) {
$response->setError(401, 'invalid_grant', $e->getMessage());
return null;
}
if (!empty($session)) {
try {
$user_profile = (new FacebookRequest($session, 'GET', '/me'))->execute()->getGraphObject(GraphUser::className());
$email = $user_profile->getProperty('email');
if (empty($email)) {
$response->setError(400, 'invalid_request', "User's email address not available.");
return null;
} else {
$userInfo = $this->storage->getUserInfoByFacebookId($user_profile->getId());
if (empty($userInfo)) {
$this->storage->createFacebookUser($user_profile);
$userInfo = $this->storage->getUserInfoByFacebookId($user_profile->getId());
}
}
} catch (FacebookRequestException $e) {
$response->setError(401, 'invalid_grant', $e->getMessage());
return null;
}
} else {
$response->setError(401, 'invalid_grant', 'Facebook session could not be set with supplied access token.');
return null;
}
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information.');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException("You must set the user_id on the array.");
}
$this->userInfo = $userInfo;
return true;
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
$token = $request->request("token");
if (!$token) {
$response->setError(400, 'invalid_request', 'Missing parameter: "token" is required');
return null;
}
$socialUser = $this->getTokenInfo($token);
if (!$socialUser) {
$response->setError(401, 'invalid_grant', 'Invalid or expired token');
return null;
}
$user_id = $this->getLocalUser($socialUser);
if (!$user_id) {
$response->setError(401, 'invalid_grant', 'Unable to identify or create user');
return null;
}
$this->userInfo = ['user_id' => $user_id];
return true;
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request("user_id") || !$request->request("provider") || !$request->request("provider_id") || !$request->request("provider_access_token")) {
$response->setError(400, 'invalid_request', 'Missing parameters: "username" and "provider" and "provider_id" and "access_token" required');
return null;
}
if (!$this->storage->getUserProviderAccessToken($request->request("provider"), $request->request("provider_id"), $request->request("user_id"))) {
return null;
}
$userInfo = $this->storage->getUser($request->request("user_id"));
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException("you must set the user_id on the array returned by getUserDetails");
}
$this->userInfo = $userInfo;
return true;
}
public function validateRequest(\OAuth2\RequestInterface $request, \OAuth2\ResponseInterface $response)
{
if (!$request->request('authkey') || !$request->request('username')) {
$response->setError(400, 'invalid_request', 'Missing parameters: "authkey" and "username" required');
return null;
}
if (!$this->userStorage->findIdentityByAccessToken($request->request('authkey'))) {
$response->setError(401, 'invalid_grant', 'Invalid user authkey');
return null;
}
$userInfo = $this->userStorage->getUserDetails($request->request('username'));
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException('you must set the user_id on the array returned by getUserDetails');
}
$this->userInfo = $userInfo;
return parent::validateRequest($request, $response);
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request("password") || !$request->request("username")) {
$response->setError(400, 'invalid_request', 'Missing parameters: "username" and "password" required');
return null;
}
if (!$this->storage->checkUserCredentials($request->request("username"), $request->request("password"))) {
$response->setError(401, 'invalid_grant', 'Invalid username and password combination');
return null;
}
$userInfo = $this->storage->getUserDetails($request->request("username"));
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException("you must set the user_id on the array returned by getUserDetails");
}
$this->userInfo = $userInfo;
return true;
}
public function getAccessTokenParameter(RequestInterface $request, ResponseInterface $response)
{
$headers = $request->headers('AUTHORIZATION');
$methodsUsed = !empty($headers) + (bool) $request->query($this->config['token_param_name']) + (bool) $request->request($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+)/i', $headers, $matches)) {
$response->setError(400, 'invalid_request', 'Malformed auth header');
return null;
}
return $matches[1];
}
if ($request->request($this->config['token_param_name'])) {
// // POST: Get the token from POST data
if (!in_array(strtolower($request->server('REQUEST_METHOD')), array('post', 'put'))) {
$response->setError(400, 'invalid_request', 'When putting the token in the body, the method must be POST or PUT', '#section-2.2');
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') {
$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']);
}
return $request->query($this->config['token_param_name']);
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request('client_id')) {
$response->setError(400, 'invalid_request', 'Missing parameter: "client_id" is required');
return false;
}
if (!$request->request('code')) {
$response->setError(400, 'invalid_request', 'Missing parameter: "code" is required');
return false;
}
/*
* Ensure that the device code exists
*/
$client_id = $request->request('client_id');
$code = $request->request('code');
if (!($deviceCode = $this->storage->getDeviceCode($code, $client_id))) {
$response->setError(400, 'bad_verification_code', 'Bad verification code');
return false;
}
/*
* Verify expiration
*/
if ($deviceCode["expires"] < time()) {
$response->setError(400, 'code_expired', "The authorization code has expired");
return false;
}
/*
* Ensure that the user confirmed this code
*/
if (!$deviceCode['user_id']) {
$response->setError(400, 'authorization_pending', '');
return false;
}
$this->deviceCode = $deviceCode;
return true;
}
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
$identifier = $this->getQuerystringIdentifier();
if (!$request->request($identifier)) {
$response->setError(400, 'invalid_request', 'Missing parameters: "' . $identifier . '" required');
return null;
}
$gplus_server_code = $request->request($identifier);
try {
$this->google_client->authenticate($gplus_server_code);
$token_data = json_decode($this->google_client->getAccessToken());
$gplus_access_token = $token_data->access_token;
$token_service = new Google_Service_Oauth2($this->google_client);
$token_info = $token_service->tokeninfo(array('access_token' => $gplus_access_token));
if ($token_info->getAudience() != \Config::get('api-foundation::gplus_client_id')) {
$response->setError(400, 'invalid_request', "Google+ access token audience does not match.");
return null;
}
$gplus_id = $token_info->getUserId();
$email = $token_info->getEmail();
if (empty($email)) {
$response->setError(400, 'invalid_request', "User's Google+ email addresses are not available.");
return null;
}
if (empty($gplus_id)) {
$response->setError(400, 'invalid_request', "User's Google+ id not available.");
return null;
}
$userInfo = $this->storage->getUserInfoByGPlusId($gplus_id);
if (empty($userInfo)) {
$gplus_user = GPlusUserFromGPlusAccessToken::make($this->google_client, $gplus_access_token);
$this->storage->createGPlusUser($gplus_user, $token_info);
$userInfo = $this->storage->getUserInfoByGPlusId($gplus_id);
}
} catch (\Google_Service_Exception $e) {
$response->setError($e->getCode(), 'invalid_request', "Google Plus server code is invalid.");
return null;
} catch (\Google_Auth_Exception $e) {
$response->setError($e->getCode(), 'invalid_request', "Google Plus server code is invalid.");
return null;
}
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information.');
return null;
}
if (!isset($userInfo['user_id'])) {
throw new \LogicException("You must set the user_id on the array.");
}
$this->userInfo = $userInfo;
return true;
}
public function getClientCredentials(RequestInterface $request, 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'))) {
return array('client_id' => $request->request('client_id'), 'client_secret' => $request->request('client_secret'));
}
}
if ($response) {
$message = $this->config['allow_credentials_in_request_body'] ? ' or body' : '';
$response->setError(400, 'invalid_client', 'Client credentials were not found in the headers' . $message);
}
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
*
* @link http://tools.ietf.org/html/rfc6749#section-2.3.1
*
* @ingroup oauth2_section_2
*/
public function getClientCredentials(RequestInterface $request, 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
* @link 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;
}
public function grantAccessToken(RequestInterface $request, ResponseInterface $response)
{
if (strtolower($request->server('REQUEST_METHOD')) != 'post') {
$response->setError(405, 'invalid_request', 'The request method must be POST when requesting an access token', '#section-3.2');
$response->addHttpHeaders(array('Allow' => 'POST'));
return null;
}
if (!($grantTypeIdentifier = $request->request('grant_type'))) {
$response->setError(400, 'invalid_request', 'The grant type was not specified in the request');
return null;
}
if (!isset($this->grantTypes[$grantTypeIdentifier])) {
$response->setError(400, 'unsupported_grant_type', sprintf('Grant type "%s" not supported', $grantTypeIdentifier));
return null;
}
$grantType = $this->grantTypes[$grantTypeIdentifier];
if (!$grantType instanceof ClientAssertionTypeInterface) {
if (!$this->clientAssertionType->validateRequest($request, $response)) {
return null;
}
$clientId = $this->clientAssertionType->getClientId();
}
if (!$grantType->validateRequest($request, $response)) {
return null;
}
if ($grantType instanceof ClientAssertionTypeInterface) {
$clientId = $grantType->getClientId();
} else {
// validate the Client ID (if applicable)
if (!is_null($storedClientId = $grantType->getClientId()) && $storedClientId != $clientId) {
$response->setError(400, 'invalid_grant', sprintf('%s doesn\'t exist or is invalid for the client', $grantTypeIdentifier));
return null;
}
}
/**
* Validate the client can use the requested grant type
*/
if (!$this->clientStorage->checkRestrictedGrantType($clientId, $grantTypeIdentifier)) {
$response->setError(400, 'unauthorized_client', 'The grant type is unauthorized for this client_id');
return false;
}
$requestedScope = $this->scopeUtil->getScopeFromRequest($request);
$availableScope = $grantType->getScope();
if ($requestedScope) {
// validate the requested scope
if ($availableScope) {
if (!$this->scopeUtil->checkScope($requestedScope, $availableScope)) {
$response->setError(400, 'invalid_scope', 'The scope requested is invalid for this request');
return null;
}
} else {
// validate the client has access to this scope
if ($clientScope = $this->clientStorage->getClientScope($clientId)) {
if (!$this->scopeUtil->checkScope($requestedScope, $clientScope)) {
$response->setError(400, 'invalid_scope', 'The scope requested is invalid for this client');
return false;
}
} elseif (!$this->scopeUtil->scopeExists($requestedScope)) {
$response->setError(400, 'invalid_scope', 'An unsupported scope was requested');
return null;
}
}
} elseif ($availableScope) {
// use the scope associated with this grant type
$requestedScope = $availableScope;
} else {
// use a globally-defined default scope
$defaultScope = $this->scopeUtil->getDefaultScope($clientId);
// "false" means default scopes are not allowed
if (false === $defaultScope) {
$response->setError(400, 'invalid_scope', 'This application requires you specify a scope parameter');
return null;
}
$requestedScope = $defaultScope;
}
return $grantType->createAccessToken($this->accessToken, $clientId, $grantType->getUserId(), $requestedScope);
}
/**
* Validate request via session data
*
* This is used for internal requests via ajax
*
* @param object $request Request object
* @param object $response Response object
* @return bool Result of auth
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
// ensure we have needed params
if (!$request->request("password") || !$request->request("username")) {
$response->setError(400, 'invalid_request', 'Missing parameters: "username" and "password" required');
return null;
}
// check username/password
if (!$this->storage->checkUserCredentials($request->request("username"), $request->request("password"))) {
$response->setError(401, 'invalid_grant', 'Invalid username and password combination');
return null;
}
// get user details by username
$userInfo = $this->storage->getUserDetails($request->request("username"));
// make sure we got an array of user details
if (empty($userInfo)) {
$response->setError(400, 'invalid_grant', 'Unable to retrieve user information');
return null;
}
// if not set, something went wrong
if (!isset($userInfo['user_id'])) {
throw new \LogicException("you must set the user_id on the array returned by getUserDetails");
}
// set our userinfo for later use
$this->userInfo = $userInfo;
// return sucess
return true;
}
/**
* Grant or deny a requested access token.
* This would be called from the "/token" endpoint as defined in the spec.
* You can call your endpoint whatever you want.
*
* @param $request - RequestInterface
* Request object to grant access token
*
* @throws InvalidArgumentException
* @throws LogicException
*
* @see http://tools.ietf.org/html/rfc6749#section-4
* @see http://tools.ietf.org/html/rfc6749#section-10.6
* @see http://tools.ietf.org/html/rfc6749#section-4.1.3
*
* @ingroup oauth2_section_4
*/
public function grantAccessToken(RequestInterface $request, ResponseInterface $response)
{
if (strtolower($request->server('REQUEST_METHOD')) != 'post') {
$response->setError(405, 'invalid_request', 'The request method must be POST when requesting an access token', '#section-3.2');
$response->addHttpHeaders(array('Allow' => 'POST'));
return null;
}
/**
* Determine grant type from request
* and validate the request for that grant type
*/
if (!($grantTypeIdentifier = $request->request('grant_type'))) {
$response->setError(400, 'invalid_request', 'The grant type was not specified in the request');
return null;
}
if (!isset($this->grantTypes[$grantTypeIdentifier])) {
/* TODO: If this is an OAuth2 supported grant type that we have chosen not to implement, throw a 501 Not Implemented instead */
$response->setError(400, 'unsupported_grant_type', sprintf('Grant type "%s" not supported', $grantTypeIdentifier));
return null;
}
$grantType = $this->grantTypes[$grantTypeIdentifier];
/**
* Retrieve the client information from the request
* ClientAssertionTypes allow for grant types which also assert the client data
* in which case ClientAssertion is handled in the validateRequest method
*
* @see OAuth2\GrantType\JWTBearer
* @see OAuth2\GrantType\ClientCredentials
*/
if (!$grantType instanceof ClientAssertionTypeInterface) {
if (!$this->clientAssertionType->validateRequest($request, $response)) {
return null;
}
$clientId = $this->clientAssertionType->getClientId();
}
/**
* Retrieve the grant type information from the request
* The GrantTypeInterface object handles all validation
* If the object is an instance of ClientAssertionTypeInterface,
* That logic is handled here as well
*/
if (!$grantType->validateRequest($request, $response)) {
return null;
}
if ($grantType instanceof ClientAssertionTypeInterface) {
$clientId = $grantType->getClientId();
} else {
// validate the Client ID (if applicable)
if (!is_null($storedClientId = $grantType->getClientId()) && $storedClientId != $clientId) {
$response->setError(400, 'invalid_grant', sprintf('%s doesn\'t exist or is invalid for the client', $grantTypeIdentifier));
return null;
}
}
/**
* Validate the client can use the requested grant type
*/
if (!$this->clientStorage->checkRestrictedGrantType($clientId, $grantTypeIdentifier)) {
$response->setError(400, 'unauthorized_client', 'The grant type is unauthorized for this client_id');
return false;
}
/**
* Validate the scope of the token
*
* requestedScope - the scope specified in the token request
* availableScope - the scope associated with the grant type
* ex: in the case of the "Authorization Code" grant type,
* the scope is specified in the authorize request
*
* @see http://tools.ietf.org/html/rfc6749#section-3.3
*/
$requestedScope = $this->scopeUtil->getScopeFromRequest($request);
$availableScope = $grantType->getScope();
if ($requestedScope) {
// validate the requested scope
if ($availableScope) {
if (!$this->scopeUtil->checkScope($requestedScope, $availableScope)) {
$response->setError(400, 'invalid_scope', 'The scope requested is invalid for this request');
return null;
}
} else {
// validate the client has access to this scope
if ($clientScope = $this->clientStorage->getClientScope($clientId)) {
if (!$this->scopeUtil->checkScope($requestedScope, $clientScope)) {
$response->setError(400, 'invalid_scope', 'The scope requested is invalid for this client');
return false;
}
} elseif (!$this->scopeUtil->scopeExists($requestedScope)) {
$response->setError(400, 'invalid_scope', 'An unsupported scope was requested');
return null;
}
}
} elseif ($availableScope) {
// use the scope associated with this grant type
$requestedScope = $availableScope;
} else {
// use a globally-defined default scope
$defaultScope = $this->scopeUtil->getDefaultScope($clientId);
// "false" means default scopes are not allowed
if (false === $defaultScope) {
$response->setError(400, 'invalid_scope', 'This application requires you specify a scope parameter');
return null;
}
$requestedScope = $defaultScope;
}
return $grantType->createAccessToken($this->accessToken, $clientId, $grantType->getUserId(), $requestedScope);
}
public function validateAuthorizeRequest(RequestInterface $request, ResponseInterface $response)
{
// Make sure a valid client id was supplied (we can not redirect because we were unable to verify the URI)
if (!($client_id = $request->query('client_id', $request->request('client_id')))) {
// We don't have a good URI to use
$response->setError(400, 'invalid_client', "No client id supplied");
return false;
}
// Get client details
if (!($clientData = $this->clientStorage->getClientDetails($client_id))) {
$response->setError(400, 'invalid_client', 'The client id supplied is invalid');
return false;
}
$registered_redirect_uri = isset($clientData['redirect_uri']) ? $clientData['redirect_uri'] : '';
// Make sure a valid redirect_uri was supplied. If specified, it must match the clientData URI.
// @see http://tools.ietf.org/html/rfc6749#section-3.1.2
// @see http://tools.ietf.org/html/rfc6749#section-4.1.2.1
// @see http://tools.ietf.org/html/rfc6749#section-4.2.2.1
if ($supplied_redirect_uri = $request->query('redirect_uri', $request->request('redirect_uri'))) {
// validate there is no fragment supplied
$parts = parse_url($supplied_redirect_uri);
if (isset($parts['fragment']) && $parts['fragment']) {
$response->setError(400, 'invalid_uri', 'The redirect URI must not contain a fragment');
return false;
}
// validate against the registered redirect uri(s) if available
if ($registered_redirect_uri && !$this->validateRedirectUri($supplied_redirect_uri, $registered_redirect_uri)) {
$response->setError(400, 'redirect_uri_mismatch', 'The redirect URI provided is missing or does not match', '#section-3.1.2');
return false;
}
$redirect_uri = $supplied_redirect_uri;
} else {
// use the registered redirect_uri if none has been supplied, if possible
if (!$registered_redirect_uri) {
$response->setError(400, 'invalid_uri', 'No redirect URI was supplied or stored');
return false;
}
if (count(explode(' ', $registered_redirect_uri)) > 1) {
$response->setError(400, 'invalid_uri', 'A redirect URI must be supplied when multiple redirect URIs are registered', '#section-3.1.2.3');
return false;
}
$redirect_uri = $registered_redirect_uri;
}
// Select the redirect URI
$response_type = $request->query('response_type', $request->request('response_type'));
// for multiple-valued response types - make them alphabetical
if (false !== strpos($response_type, ' ')) {
$types = explode(' ', $response_type);
sort($types);
$response_type = ltrim(implode(' ', $types));
}
$state = $request->query('state', $request->request('state'));
// type and client_id are required
if (!$response_type || !in_array($response_type, $this->getValidResponseTypes())) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'invalid_request', 'Invalid or missing response type', null);
return false;
}
if ($response_type == self::RESPONSE_TYPE_AUTHORIZATION_CODE) {
if (!isset($this->responseTypes['code'])) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'unsupported_response_type', 'authorization code grant type not supported', null);
return false;
}
if (!$this->clientStorage->checkRestrictedGrantType($client_id, 'authorization_code')) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'unauthorized_client', 'The grant type is unauthorized for this client_id', null);
return false;
}
if ($this->responseTypes['code']->enforceRedirect() && !$redirect_uri) {
$response->setError(400, 'redirect_uri_mismatch', 'The redirect URI is mandatory and was not supplied');
return false;
}
} else {
if (!$this->config['allow_implicit']) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'unsupported_response_type', 'implicit grant type not supported', null);
return false;
}
if (!$this->clientStorage->checkRestrictedGrantType($client_id, 'implicit')) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'unauthorized_client', 'The grant type is unauthorized for this client_id', null);
return false;
}
}
// validate requested scope if it exists
$requestedScope = $this->scopeUtil->getScopeFromRequest($request);
if ($requestedScope) {
// restrict scope by client specific scope if applicable,
// otherwise verify the scope exists
$clientScope = $this->clientStorage->getClientScope($client_id);
if (is_null($clientScope) && !$this->scopeUtil->scopeExists($requestedScope) || $clientScope && !$this->scopeUtil->checkScope($requestedScope, $clientScope)) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'invalid_scope', 'An unsupported scope was requested', null);
return false;
}
} else {
// use a globally-defined default scope
$defaultScope = $this->scopeUtil->getDefaultScope($client_id);
if (false === $defaultScope) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $state, 'invalid_client', 'This application requires you specify a scope parameter', null);
return false;
}
$requestedScope = $defaultScope;
}
// Validate state parameter exists (if configured to enforce this)
if ($this->config['enforce_state'] && !$state) {
$response->setRedirect($this->config['redirect_status_code'], $redirect_uri, null, 'invalid_request', 'The state parameter is required');
return false;
}
// save the input data and return true
$this->scope = $requestedScope;
$this->state = $state;
$this->client_id = $client_id;
// Only save the SUPPLIED redirect URI (@see http://tools.ietf.org/html/rfc6749#section-4.1.3)
$this->redirect_uri = $supplied_redirect_uri;
$this->response_type = $response_type;
return true;
}
/**
* Validates the data from the decoded JWT.
*
* @return
* TRUE if the JWT request is valid and can be decoded. Otherwise, FALSE is returned.
*
* @see OAuth2\GrantType\GrantTypeInterface::getTokenData()
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
if (!$request->request("assertion")) {
$response->setError(400, 'invalid_request', 'Missing parameters: "assertion" required');
return null;
}
// Store the undecoded JWT for later use
$undecodedJWT = $request->request('assertion');
// Decode the JWT
$jwt = $this->jwtUtil->decode($request->request('assertion'), null, false);
if (!$jwt) {
$response->setError(400, 'invalid_request', "JWT is malformed");
return null;
}
// ensure these properties contain a value
// @todo: throw malformed error for missing properties
$jwt = array_merge(array('scope' => null, 'iss' => null, 'sub' => null, 'aud' => null, 'exp' => null, 'nbf' => null, 'iat' => null, 'jti' => null, 'typ' => null), $jwt);
if (!isset($jwt['iss'])) {
$response->setError(400, 'invalid_grant', "Invalid issuer (iss) provided");
return null;
}
if (!isset($jwt['sub'])) {
$response->setError(400, 'invalid_grant', "Invalid subject (sub) provided");
return null;
}
if (!isset($jwt['exp'])) {
$response->setError(400, 'invalid_grant', "Expiration (exp) time must be present");
return null;
}
// Check expiration
if (ctype_digit($jwt['exp'])) {
if ($jwt['exp'] <= time()) {
$response->setError(400, 'invalid_grant', "JWT has expired");
return null;
}
} else {
$response->setError(400, 'invalid_grant', "Expiration (exp) time must be a unix time stamp");
return null;
}
// Check the not before time
if ($notBefore = $jwt['nbf']) {
if (ctype_digit($notBefore)) {
if ($notBefore > time()) {
$response->setError(400, 'invalid_grant', "JWT cannot be used before the Not Before (nbf) time");
return null;
}
} else {
$response->setError(400, 'invalid_grant', "Not Before (nbf) time must be a unix time stamp");
return null;
}
}
// Check the audience if required to match
if (!isset($jwt['aud']) || $jwt['aud'] != $this->audience) {
$response->setError(400, 'invalid_grant', "Invalid audience (aud)");
return null;
}
// Check the jti (nonce)
// @see http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-13#section-4.1.7
if (isset($jwt['jti'])) {
$jti = $this->storage->getJti($jwt['iss'], $jwt['sub'], $jwt['aud'], $jwt['exp'], $jwt['jti']);
//Reject if jti is used and jwt is still valid (exp parameter has not expired).
if ($jti && $jti['expires'] > time()) {
$response->setError(400, 'invalid_grant', "JSON Token Identifier (jti) has already been used");
return null;
} else {
$this->storage->setJti($jwt['iss'], $jwt['sub'], $jwt['aud'], $jwt['exp'], $jwt['jti']);
}
}
// Get the iss's public key
// @see http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-06#section-4.1.1
if (!($key = $this->storage->getClientKey($jwt['iss'], $jwt['sub']))) {
$response->setError(400, 'invalid_grant', "Invalid issuer (iss) or subject (sub) provided");
return null;
}
// Verify the JWT
if (!$this->jwtUtil->decode($undecodedJWT, $key, true)) {
$response->setError(400, 'invalid_grant', "JWT failed signature verification");
return null;
}
$this->jwt = $jwt;
return true;
}
/**
* Validate request via client
*
* @param object $request Request object
* @param object $response Response object
* @return bool Result of auth
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
// check HTTP basic auth headers for client id/secret
if (!is_null($request->headers('PHP_AUTH_USER')) && !is_null($request->headers('PHP_AUTH_PW'))) {
$clientData = array('client_id' => $request->headers('PHP_AUTH_USER'), 'client_secret' => $request->headers('PHP_AUTH_PW'));
}
// if we allow credentials via request body look there
if ($this->config['allow_credentials_in_request_body']) {
// check for client id in request
if (!is_null($request->request('client_id'))) {
$clientData = array('client_id' => $request->request('client_id'), 'client_secret' => $request->request('client_secret'));
}
}
// must have client id
if (!isset($clientData['client_id']) || $clientData['client_id'] == '') {
$message = $this->config['allow_credentials_in_request_body'] ? ' or body' : '';
$response->setError(400, 'invalid_client', 'Client credentials were not found in the headers' . $message);
return false;
}
// check to see if we have client secret
if (!isset($clientData['client_secret']) || $clientData['client_secret'] == '') {
// invalid if we dont have client secret and public clients are off
if (!$this->config['allow_public_clients']) {
$response->setError(400, 'invalid_client', 'client credentials are required');
return false;
}
// check storage if client is public client
if (!$this->storage->isPublicClient($clientData['client_id'])) {
$response->setError(400, 'invalid_client', 'This client is invalid or must authenticate using a client secret');
return false;
}
} elseif ($this->storage->checkClientCredentials($clientData['client_id'], $clientData['client_secret']) === false) {
$response->setError(400, 'invalid_client', 'The client credentials are invalid');
return false;
}
// store data locally
$this->clientData = $clientData;
return true;
}
/**
* @param RequestInterface $request
* @param ResponseInterface $response
*
* @return bool
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
$providerName = $request->request('provider');
$providerUserId = $request->request('provider_user_id');
$providerAccessToken = $request->request('provider_access_token');
if (!$providerName || !$providerUserId || !$providerAccessToken) {
$response->setError(400, 'invalid_request', 'One or more missing parameter: "provider", "provider_user_id" and "provider_access_token" are required');
return false;
}
$provider = isset($this->providers[$providerName]) ? $this->providers[$providerName] : null;
if (!$provider instanceof ProviderInterface) {
$response->setError(400, 'invalid_request', 'Unknown provider selected');
return false;
}
try {
$errorMessage = '';
if (!$provider->validate($providerUserId, $providerAccessToken, $errorMessage)) {
$response->setError(401, 'invalid_grant', 'Invalid third party credentials: ' . $errorMessage);
return false;
}
} catch (ClientException $e) {
$response->setError($e->getCode(), 'provider_client_error', $e->getMessage());
return false;
} catch (Exception $e) {
$response->setError(500, 'provider_error', $e->getMessage());
return false;
}
$token = $request->request('access_token');
$accessToken = $token ? $this->accessTokenMapper->findByToken($token) : null;
if ($accessToken instanceof Entity\AccessToken && $accessToken->isExpired()) {
$response->setError(401, 'invalid_grant', 'Access token is expired');
return false;
}
$thirdPartyUser = $this->thirdPartyMapper->findByProvider($provider);
switch (true) {
// a known user tries to connect with third party credentials owned by another user? issue an error
case $accessToken instanceof Entity\AccessToken && $thirdPartyUser instanceof Entity\ThirdParty && $thirdPartyUser->getUser() !== $accessToken->getUser():
$response->setError(400, 'invalid_request', 'Another user is already registered with same credentials');
return false;
// known third party credentials? update the data and grab the user form it
// known third party credentials? update the data and grab the user form it
case $thirdPartyUser instanceof Entity\ThirdParty:
$thirdPartyUser->setData($provider->getUserData());
$user = $thirdPartyUser->getUser();
break;
// valid access token? grab the user form it
// valid access token? grab the user form it
case $accessToken instanceof Entity\AccessToken:
$user = $accessToken->getUser();
break;
// no third party credentials or access token? it's a new user
// no third party credentials or access token? it's a new user
default:
$userClass = $this->moduleOptions->getUserEntityClassName();
$user = new $userClass();
}
// in case 3 and 4 we need to connect the user with new third party credentials
if (!$thirdPartyUser instanceof Entity\ThirdParty) {
$this->connectUserToThirdParty($user, $provider);
}
$this->userMapper->save($user);
$this->user = $user;
return true;
}
/**
* Validate request via session data
*
* This is used for internal requests via ajax
*
* @param object $request Request object
* @param object $response Response object
* @return bool Result of auth
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
// make sure we have tool session data
if (!($toolData = $this->storage->getToolSessionDataFromRequest($request))) {
$response->setError(401, 'tool_session_authentication_invalid', 'Unable to find valid tool session data.');
return false;
}
// validate tool session data
if (!($userId = $this->storage->validateToolSessionData($toolData['toolSessionId'], $toolData['toolSessionToken']))) {
$response->setError(401, 'tool_session_authentication_invalid', 'Unable to find valid tool session data.');
return false;
}
// store user info locally
$this->userInfo = ['user_id' => $userId, 'scope' => ''];
return true;
}
/**
* Revoke a refresh or access token. Returns true on success and when tokens are invalid
*
* Note: invalid tokens do not cause an error response since the client
* cannot handle such an error in a reasonable way. Moreover, the
* purpose of the revocation request, invalidating the particular token,
* is already achieved.
*
* @param RequestInterface $request
* @param ResponseInterface $response
* @return bool|null
*/
public function revokeToken(RequestInterface $request, ResponseInterface $response)
{
if (strtolower($request->server('REQUEST_METHOD')) != 'post') {
$response->setError(405, 'invalid_request', 'The request method must be POST when revoking an access token', '#section-3.2');
$response->addHttpHeaders(array('Allow' => 'POST'));
return null;
}
$token_type_hint = $request->request('token_type_hint');
if (!in_array($token_type_hint, array(null, 'access_token', 'refresh_token'), true)) {
$response->setError(400, 'invalid_request', 'Token type hint must be either \'access_token\' or \'refresh_token\'');
return null;
}
$token = $request->request('token');
if ($token === null) {
$response->setError(400, 'invalid_request', 'Missing token parameter to revoke');
return null;
}
// @todo remove this check for v2.0
if (!method_exists($this->accessToken, 'revokeToken')) {
$class = get_class($this->accessToken);
throw new \RuntimeException("AccessToken {$class} does not implement required revokeToken method");
}
$this->accessToken->revokeToken($token, $token_type_hint);
return true;
}
/**
* Validate request via client
*
* @param object $request Request object
* @param object $response Response object
* @return bool Result of auth
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
// make sure we have a code param
if (!($code = $request->request('code'))) {
$response->setError(400, 'invalid_request', 'Missing parameter: "code" is required');
return false;
}
// verify code param
if (!($authCode = $this->storage->getAuthorizationCode($code))) {
$response->setError(400, 'invalid_grant', 'Authorization code doesn\'t exist or is invalid for the client');
return false;
}
// make sure "redirect_uri" parameter is present if the "redirect_uri" parameter was included in the initial authorization request
if (isset($authCode['redirect_uri']) && $authCode['redirect_uri']) {
if (!$request->request('redirect_uri') || urldecode($request->request('redirect_uri')) != $authCode['redirect_uri']) {
$response->setError(400, 'redirect_uri_mismatch', "The redirect URI is missing or do not match", "#section-4.1.3");
return false;
}
}
// must have expiration
if (!isset($authCode['expires'])) {
throw new \Exception('Storage must return authcode with a value for "expires"');
}
// checkk code isnt expired
if ($authCode["expires"] < time()) {
$response->setError(400, 'invalid_grant', "The authorization code has expired");
return false;
}
// make sure have the actual auth code
if (!isset($authCode['code'])) {
$authCode['code'] = $code;
// used to expire the code after the access token is granted
}
// store locally
$this->authCode = $authCode;
return true;
}
/**
* Validate request via session data
*
* This is used for internal requests via ajax
*
* @param object $request Request object
* @param object $response Response object
* @return bool Result of auth
*/
public function validateRequest(RequestInterface $request, ResponseInterface $response)
{
// check for session id
if (!($sessionId = $this->storage->getSessionIdFromCookie())) {
$response->setError(401, 'session_authentication_invalid', 'Unable to find a valid session id.');
return false;
}
// get user for session id
if (!($userId = $this->storage->getUserIdFromSessionId($sessionId))) {
$response->setError(401, 'session_authentication_invalid', 'Unable to authenticate via active session.');
return false;
}
// store our session & user id
$this->userInfo = array('user_id' => $userId, 'session_id' => $sessionId);
return true;
}
public function validateAuthorizeRequest(RequestInterface $request, ResponseInterface $response)
{
// Make sure a valid client id was supplied (we can not redirect because we were unable to verify the URI)
if (!($client_id = $request->query("client_id"))) {
// We don't have a good URI to use
$response->setError(400, 'invalid_client', "No client id supplied");
return false;
}
// Get client details
if (!($clientData = $this->clientStorage->getClientDetails($client_id))) {
$response->setError(400, 'invalid_client', 'The client id supplied is invalid');
return false;
}
$registered_redirect_uri = isset($clientData['redirect_uri']) ? $clientData['redirect_uri'] : '';
// Make sure a valid redirect_uri was supplied. If specified, it must match the clientData URI.
// @see http://tools.ietf.org/html/rfc6749#section-3.1.2
// @see http://tools.ietf.org/html/rfc6749#section-4.1.2.1
// @see http://tools.ietf.org/html/rfc6749#section-4.2.2.1
if ($redirect_uri = $request->query('redirect_uri')) {
// validate there is no fragment supplied
$parts = parse_url($redirect_uri);
if (isset($parts['fragment']) && $parts['fragment']) {
$response->setError(400, 'invalid_uri', 'The redirect URI must not contain a fragment');
return false;
}
// validate against the registered redirect uri(s) if available
if ($registered_redirect_uri && !$this->validateRedirectUri($redirect_uri, $registered_redirect_uri)) {
$response->setError(400, 'redirect_uri_mismatch', 'The redirect URI provided is missing or does not match', '#section-3.1.2');
return false;
}
} else {
// use the registered redirect_uri if none has been supplied, if possible
if (!$registered_redirect_uri) {
$response->setError(400, 'invalid_uri', 'No redirect URI was supplied or stored');
return false;
}
if (count(explode(' ', $registered_redirect_uri)) > 1) {
$response->setError(400, 'invalid_uri', 'A redirect URI must be supplied when multiple redirect URIs are registered', '#section-3.1.2.3');
return false;
}
$redirect_uri = $registered_redirect_uri;
}
// Select the redirect URI
$response_type = $request->query('response_type');
$state = $request->query('state');
if (!($scope = $this->scopeUtil->getScopeFromRequest($request))) {
$scope = $this->scopeUtil->getDefaultScope();
}
// type and client_id are required
if (!$response_type || !in_array($response_type, array(self::RESPONSE_TYPE_AUTHORIZATION_CODE, self::RESPONSE_TYPE_ACCESS_TOKEN))) {
$response->setRedirect(302, $redirect_uri, $state, 'invalid_request', 'Invalid or missing response type', null);
return false;
}
if ($response_type == self::RESPONSE_TYPE_AUTHORIZATION_CODE) {
if (!isset($this->responseTypes['code'])) {
$response->setRedirect(302, $redirect_uri, $state, 'unsupported_response_type', 'authorization code grant type not supported', null);
return false;
}
if (!$this->clientStorage->checkRestrictedGrantType($client_id, 'authorization_code')) {
$response->setRedirect(302, $redirect_uri, $state, 'unauthorized_client', 'The grant type is unauthorized for this client_id', null);
return false;
}
if ($this->responseTypes['code']->enforceRedirect() && !$redirect_uri) {
$response->setError(400, 'redirect_uri_mismatch', 'The redirect URI is mandatory and was not supplied');
return false;
}
}
if ($response_type == self::RESPONSE_TYPE_ACCESS_TOKEN) {
if (!$this->config['allow_implicit']) {
$response->setRedirect(302, $redirect_uri, $state, 'unsupported_response_type', 'implicit grant type not supported', null);
return false;
}
if (!$this->clientStorage->checkRestrictedGrantType($client_id, 'implicit')) {
$response->setRedirect(302, $redirect_uri, $state, 'unauthorized_client', 'The grant type is unauthorized for this client_id', null);
return false;
}
}
// Validate that the requested scope is supported
if (false === $scope) {
$response->setRedirect(302, $redirect_uri, $state, 'invalid_client', 'This application requires you specify a scope parameter', null);
return false;
}
if (!is_null($scope) && !$this->scopeUtil->scopeExists($scope, $client_id)) {
$response->setRedirect(302, $redirect_uri, $state, 'invalid_scope', 'An unsupported scope was requested', null);
return false;
}
// Validate state parameter exists (if configured to enforce this)
if ($this->config['enforce_state'] && !$state) {
$response->setRedirect(302, $redirect_uri, null, 'invalid_request', 'The state parameter is required');
return false;
}
// Return retrieved client details together with input
return array_merge(array('scope' => $scope, 'state' => $state), $clientData, $request->getAllQueryParameters(), array('redirect_uri' => $redirect_uri));
}