/**
* Perform pre-flight authentication operations.
*
* If invoked, issues a client challenge.
*
* @param Request $request
* @param Response $response
*/
public function preAuth(Request $request, Response $response)
{
$this->httpAuth->setRequest($request);
$this->httpAuth->setResponse($response);
$this->httpAuth->challengeClient();
}
/**
* Listen to the authentication event
*
* @param MvcAuthEvent $mvcAuthEvent
* @return mixed
*/
public function __invoke(MvcAuthEvent $mvcAuthEvent)
{
$mvcEvent = $mvcAuthEvent->getMvcEvent();
$request = $mvcEvent->getRequest();
$response = $mvcEvent->getResponse();
if (!$request instanceof HttpRequest || $request->isOptions()) {
return;
}
$type = false;
if ($this->httpAdapter instanceof HttpAuth) {
$this->httpAdapter->setRequest($request);
$this->httpAdapter->setResponse($response);
}
$authHeader = $request->getHeader('Authorization');
if ($authHeader) {
$headerContent = trim($authHeader->getFieldValue());
// we only support headers in the format: Authorization: xxx yyyyy
if (strpos($headerContent, ' ') === false) {
$identity = new Identity\GuestIdentity();
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
}
list($type, $credential) = preg_split('# #', $headerContent, 2);
}
if (!$type && !in_array($request->getMethod(), $this->requestsWithoutBodies) && $request->getHeaders()->has('Content-Type') && $request->getHeaders()->get('Content-Type')->match('application/x-www-form-urlencoded') && $request->getPost('access_token')) {
$type = 'oauth2';
}
if (!$type && null !== $request->getQuery('access_token')) {
$type = 'oauth2';
}
if (!$type) {
if ($this->httpAdapter instanceof HttpAuth) {
$this->httpAdapter->challengeClient();
}
$identity = new Identity\GuestIdentity();
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
}
switch (strtolower($type)) {
case 'basic':
case 'digest':
if (!$this->httpAdapter instanceof HttpAuth) {
$identity = new Identity\GuestIdentity();
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
}
$auth = $mvcAuthEvent->getAuthenticationService();
$result = $auth->authenticate($this->httpAdapter);
$mvcAuthEvent->setAuthenticationResult($result);
if ($result->isValid()) {
$resultIdentity = $result->getIdentity();
// Pass full discovered identity to AuthenticatedIdentity object
$identity = new Identity\AuthenticatedIdentity($resultIdentity);
// But determine name separately
$name = $resultIdentity;
if (is_array($resultIdentity)) {
$name = isset($resultIdentity['username']) ? $resultIdentity['username'] : (string) $resultIdentity;
}
$identity->setName($name);
// Set in MvcEvent
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
}
$identity = new Identity\GuestIdentity();
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
case 'oauth2':
case 'bearer':
if (!$this->oauth2Server instanceof OAuth2Server) {
$identity = new Identity\GuestIdentity();
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
}
$content = $request->getContent();
$oauth2request = new OAuth2Request($_GET, $_POST, array(), $_COOKIE, $_FILES, $_SERVER, $content);
if ($this->oauth2Server->verifyResourceRequest($oauth2request)) {
$token = $this->oauth2Server->getAccessTokenData($oauth2request);
$identity = new Identity\AuthenticatedIdentity($token);
$identity->setName($token['user_id']);
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
}
$identity = new Identity\GuestIdentity();
$mvcEvent->setParam('ZF\\MvcAuth\\Identity', $identity);
return $identity;
case 'token':
throw new \Exception('zf-mvc-auth has not yet implemented a "token" authentication adapter');
}
}