/**
* Log signed request pattern failures
*
* @Flow\AfterReturning("setting(Flowpack.SingleSignOn.Client.log.logFailedSignedRequests) && method(Flowpack\SingleSignOn\Client\Security\RequestPattern\SignedRequestPattern->emitSignatureNotVerified())")
* @param \TYPO3\Flow\Aop\JoinPointInterface $joinPoint The current joinpoint
*/
public function logSignedRequestPatternFailures(\TYPO3\Flow\Aop\JoinPointInterface $joinPoint)
{
$request = $joinPoint->getMethodArgument('request');
if ($request instanceof \TYPO3\Flow\Mvc\RequestInterface) {
if ($request->getControllerObjectName() === 'Flowpack\\SingleSignOn\\Client\\Controller\\SessionController') {
$this->securityLogger->log('Signature for call to Session service could not be verified', LOG_NOTICE, array('identifier' => $joinPoint->getMethodArgument('identifier'), 'publicKeyFingerprint' => $joinPoint->getMethodArgument('publicKeyFingerprint'), 'signature' => base64_encode($joinPoint->getMethodArgument('signature')), 'signData' => $joinPoint->getMethodArgument('signData'), 'content' => $joinPoint->getMethodArgument('request')->getHttpRequest()->getContent()));
}
}
}
/**
* Tries to authenticate the given token. Sets isAuthenticated to TRUE if authentication succeeded.
*
* @param TokenInterface $authenticationToken The token to be authenticated
* @throws \TYPO3\Flow\Security\Exception\UnsupportedAuthenticationTokenException
* @return void
*/
public function authenticate(TokenInterface $authenticationToken)
{
if (!$authenticationToken instanceof AbstractClientToken) {
throw new UnsupportedAuthenticationTokenException('This provider cannot authenticate the given token.', 1383754993);
}
$credentials = $authenticationToken->getCredentials();
// There is no way to validate the Token or check the scopes at the moment apart from "trying" (and possibly receiving an access denied)
// we could check the validity of the Token and the scopes here in the future when Instagram provides that
// Only check if an access Token is present at this time and do a single test call
if (isset($credentials['accessToken']) && $credentials['accessToken'] !== NULL) {
// check if a secure request is possible (https://www.instagram.com/developer/secure-api-requests/)
$userInfo = $this->instagramTokenEndpoint->validateSecureRequestCapability($credentials['accessToken']);
if ($userInfo === FALSE) {
$authenticationToken->setAuthenticationStatus(TokenInterface::WRONG_CREDENTIALS);
$this->securityLogger->log('A secure call to the API with the provided accessToken and clientSecret was not possible', LOG_NOTICE);
return FALSE;
}
} else {
}
// From here, we surely know the user is considered authenticated against the remote service,
// yet to check if there is an immanent account present.
$authenticationToken->setAuthenticationStatus(TokenInterface::AUTHENTICATION_SUCCESSFUL);
/** @var $account \TYPO3\Flow\Security\Account */
$account = NULL;
$providerName = $this->name;
$accountRepository = $this->accountRepository;
$this->securityContext->withoutAuthorizationChecks(function () use($userInfo, $providerName, $accountRepository, &$account) {
$account = $accountRepository->findByAccountIdentifierAndAuthenticationProviderName($userInfo['id'], $providerName);
});
if ($account === NULL) {
$account = new Account();
$account->setAccountIdentifier($userInfo['id']);
$account->setAuthenticationProviderName($providerName);
$this->accountRepository->add($account);
}
$authenticationToken->setAccount($account);
// the access token is valid for an "undefined time" according to instagram (so we cannot know when the user needs to log in again)
$account->setCredentialsSource($credentials['accessToken']);
$this->accountRepository->update($account);
// check if a user is already attached to this account
if ($this->partyService->getAssignedPartyOfAccount($account) === null || count($this->partyService->getAssignedPartyOfAccount($account)) < 1) {
$user = $this->userService->getCurrentUser();
if ($user !== null) {
$user->addAccount($account);
$this->userService->updateUser($user);
$this->persistenceManager->whitelistObject($user);
} else {
$this->securityLogger->logException(new Exception("The InstagramProvider was unable to determine the backend user, make sure the configuration Typo3BackendProvider requestPattern matches the Instagram Controller and the authentication strategy is set to 'atLeastOne' Token"));
}
}
// persistAll is called automatically at the end of this function, account gets whitelisted to allow
// persisting for an object thats tinkered with via a GET request
$this->persistenceManager->whitelistObject($account);
}
/**
* Logs calls and results of decideOnResource()
*
* @Flow\AfterThrowing("method(TYPO3\Flow\Security\Authorization\AccessDecisionVoterManager->decideOnResource())")
* @param \TYPO3\Flow\Aop\JoinPointInterface $joinPoint
* @throws \Exception
* @return void
*/
public function logResourceAccessDecisions(\TYPO3\Flow\Aop\JoinPointInterface $joinPoint)
{
$exception = $joinPoint->getException();
$message = $exception->getMessage() . ' on resource "' . $joinPoint->getMethodArgument('resource') . '".';
$this->securityLogger->log($message, \LOG_INFO);
throw $exception;
}
/**
* Tries to authenticate the given token. Sets isAuthenticated to TRUE if authentication succeeded.
*
* @param TokenInterface $authenticationToken The token to be authenticated
* @throws \TYPO3\Flow\Security\Exception\UnsupportedAuthenticationTokenException
* @return void
*/
public function authenticate(TokenInterface $authenticationToken)
{
if (!$authenticationToken instanceof AbstractClientToken) {
throw new UnsupportedAuthenticationTokenException('This provider cannot authenticate the given token.', 1383754993);
}
$credentials = $authenticationToken->getCredentials();
// Inspect the received access token as documented in https://developers.facebook.com/docs/facebook-login/login-flow-for-web-no-jssdk/
$tokenInformation = $this->facebookTokenEndpoint->requestValidatedTokenInformation($credentials['accessToken']);
if ($tokenInformation === FALSE) {
$authenticationToken->setAuthenticationStatus(TokenInterface::WRONG_CREDENTIALS);
return;
}
// Check if the permitted scopes suffice:
$necessaryScopes = $this->options['scopes'];
$scopesHavingPermissionFor = $tokenInformation['scopes'];
$requiredButNotPermittedScopes = array_diff($necessaryScopes, $scopesHavingPermissionFor);
if (count($requiredButNotPermittedScopes) > 0) {
$authenticationToken->setAuthenticationStatus(TokenInterface::WRONG_CREDENTIALS);
$this->securityLogger->log('The permitted scopes do not satisfy the required once.', LOG_NOTICE, array('necessaryScopes' => $necessaryScopes, 'allowedScopes' => $scopesHavingPermissionFor));
return;
}
// From here, we surely know the user is considered authenticated against the remote service,
// yet to check if there is an immanent account present.
$authenticationToken->setAuthenticationStatus(TokenInterface::AUTHENTICATION_SUCCESSFUL);
/** @var $account \TYPO3\Flow\Security\Account */
$account = NULL;
$providerName = $this->name;
$accountRepository = $this->accountRepository;
$this->securityContext->withoutAuthorizationChecks(function () use($tokenInformation, $providerName, $accountRepository, &$account) {
$account = $accountRepository->findByAccountIdentifierAndAuthenticationProviderName($tokenInformation['user_id'], $providerName);
});
if ($account === NULL) {
$account = new Account();
$account->setAccountIdentifier($tokenInformation['user_id']);
$account->setAuthenticationProviderName($providerName);
$this->accountRepository->add($account);
}
$authenticationToken->setAccount($account);
// request long-live token and attach that to the account
$longLivedToken = $this->facebookTokenEndpoint->requestLongLivedToken($credentials['accessToken']);
$account->setCredentialsSource($longLivedToken);
$this->accountRepository->update($account);
}
/**
* Inspect the received access token as documented in https://developers.facebook.com/docs/facebook-login/access-tokens/, section Getting Info about Tokens and Debugging
*
* @param string $tokenToInspect
* @return array
* @throws OAuth2Exception
*/
public function requestValidatedTokenInformation($tokenToInspect)
{
$applicationToken = $this->requestClientCredentialsGrantAccessToken();
$requestArguments = array('input_token' => $tokenToInspect, 'access_token' => $applicationToken);
$request = Request::create(new Uri('https://graph.facebook.com/debug_token?' . http_build_query($requestArguments)));
$response = $this->requestEngine->sendRequest($request);
$responseContent = $response->getContent();
if ($response->getStatusCode() !== 200) {
throw new OAuth2Exception(sprintf('The response was not of type 200 but gave code and error %d "%s"', $response->getStatusCode(), $responseContent), 1383758360);
}
$responseArray = json_decode($responseContent, TRUE, 16, JSON_BIGINT_AS_STRING);
$responseArray['data']['app_id'] = (string) $responseArray['data']['app_id'];
$responseArray['data']['user_id'] = (string) $responseArray['data']['user_id'];
if (!$responseArray['data']['is_valid'] || $responseArray['data']['app_id'] !== $this->clientIdentifier) {
$this->securityLogger->log('Requesting validated token information from the Facebook endpoint did not succeed.', LOG_NOTICE, array('response' => var_export($responseArray, TRUE), 'clientIdentifier' => $this->clientIdentifier));
return FALSE;
} else {
return $responseArray['data'];
}
}
/**
* Updates the authentication credentials, the authentication manager needs to authenticate this token.
* This could be a username/password from a login controller.
* This method is called while initializing the security context. By returning TRUE you
* make sure that the authentication manager will (re-)authenticate the tokens with the current credentials.
* Note: You should not persist the credentials!
*
* @param ActionRequest $actionRequest The current request instance
* @throws \InvalidArgumentException
* @return boolean TRUE if this token needs to be (re-)authenticated
*/
public function updateCredentials(ActionRequest $actionRequest)
{
if ($actionRequest->getHttpRequest()->getMethod() !== 'GET' || $actionRequest->getInternalArgument('__oauth2Provider') !== $this->authenticationProviderName) {
return;
}
if (!$actionRequest->hasArgument('code')) {
$this->setAuthenticationStatus(TokenInterface::WRONG_CREDENTIALS);
$this->securityLogger->log('There was no argument `code` provided.', LOG_NOTICE);
return;
}
$code = $actionRequest->getArgument('code');
$redirectUri = $this->oauthUriBuilder->getRedirectionEndpointUri($this->authenticationProviderName);
try {
$this->credentials['accessToken'] = $this->tokenEndpoint->requestAuthorizationCodeGrantAccessToken($code, $redirectUri);
$this->setAuthenticationStatus(TokenInterface::AUTHENTICATION_NEEDED);
} catch (Exception $exception) {
$this->setAuthenticationStatus(TokenInterface::WRONG_CREDENTIALS);
$this->securityLogger->logException($exception);
return;
}
}
/**
* @param string $resource
* @param array $requestArguments
* @param string $method
* @return mixed
* @throws OAuth2Exception
*/
public function query($resource, $requestArguments = array(), $method = 'GET')
{
$requestArguments['access_token'] = $this->currentAccessToken;
$requestArguments['sig'] = $this->generate_sig($resource, $requestArguments);
// test the secure API call by getting information of the own user - scope: basic (also available in sandbox mode)
$request = Request::create(new Uri($this->endpoint . $resource . "?" . http_build_query($requestArguments)));
$response = $this->requestEngine->sendRequest($request);
$responseContent = $response->getContent();
if ($response->getStatusCode() !== 200) {
$this->securityLogger->log('Error in Instagram Query: ' . $responseContent);
throw new OAuth2Exception(sprintf('The response was not of type 200 but gave code and error %d "%s"', $response->getStatusCode(), $responseContent), 1455261376);
}
return json_decode($responseContent, true);
}
/**
* Advices the dispatch method so that illegal action requests are blocked before
* invoking any controller.
*
* The "request" referred to within this method is an ActionRequest or some other
* dispatchable request implementing RequestInterface. Note that we don't deal
* with HTTP requests here.
*
* @Flow\Around("setting(TYPO3.Flow.security.enable) && method(TYPO3\Flow\Mvc\Dispatcher->dispatch())")
* @param \TYPO3\Flow\Aop\JoinPointInterface $joinPoint The current joinpoint
* @return mixed Result of the advice chain
* @throws \Exception|\TYPO3\Flow\Security\Exception\AccessDeniedException
* @throws \Exception|\TYPO3\Flow\Security\Exception\AuthenticationRequiredException
*/
public function blockIllegalRequestsAndForwardToAuthenticationEntryPoints(JoinPointInterface $joinPoint)
{
$request = $joinPoint->getMethodArgument('request');
if (!$request instanceof ActionRequest || $this->securityContext->areAuthorizationChecksDisabled()) {
return $joinPoint->getAdviceChain()->proceed($joinPoint);
}
try {
$this->firewall->blockIllegalRequests($request);
return $joinPoint->getAdviceChain()->proceed($joinPoint);
} catch (AuthenticationRequiredException $exception) {
$response = $joinPoint->getMethodArgument('response');
$entryPointFound = FALSE;
/** @var $token \TYPO3\Flow\Security\Authentication\TokenInterface */
foreach ($this->securityContext->getAuthenticationTokens() as $token) {
$entryPoint = $token->getAuthenticationEntryPoint();
if ($entryPoint !== NULL) {
$entryPointFound = TRUE;
if ($entryPoint instanceof WebRedirect) {
$this->securityLogger->log('Redirecting to authentication entry point', LOG_INFO, $entryPoint->getOptions());
} else {
$this->securityLogger->log('Starting authentication with entry point of type ' . get_class($entryPoint), LOG_INFO);
}
$this->securityContext->setInterceptedRequest($request->getMainRequest());
$entryPoint->startAuthentication($request->getHttpRequest(), $response);
}
}
if ($entryPointFound === FALSE) {
$this->securityLogger->log('No authentication entry point found for active tokens, therefore cannot authenticate or redirect to authentication automatically.', LOG_NOTICE);
throw $exception;
}
} catch (AccessDeniedException $exception) {
$this->securityLogger->log('Access denied', LOG_WARNING);
throw $exception;
}
return NULL;
}
/**
* Sets the roles for the LDAP account.
* Extend this Provider class and implement this method to update the party
*
* @param Account $account
* @param array $ldapSearchResult
* @return void
*/
protected function setRoles(Account $account, array $ldapSearchResult)
{
if (is_array($this->rolesConfiguration)) {
$contextVariables = array('ldapUser' => $ldapSearchResult);
if (isset($this->defaultContext) && is_array($this->defaultContext)) {
foreach ($this->defaultContext as $contextVariable => $objectName) {
$object = $this->objectManager->get($objectName);
$contextVariables[$contextVariable] = $object;
}
}
foreach ($this->rolesConfiguration['default'] as $roleIdentifier) {
$role = $this->policyService->getRole($roleIdentifier);
$account->addRole($role);
}
$eelContext = new Context($contextVariables);
if (isset($this->partyConfiguration['dn'])) {
$dn = $this->eelEvaluator->evaluate($this->partyConfiguration['dn'], $eelContext);
foreach ($this->rolesConfiguration['userMapping'] as $roleIdentifier => $userDns) {
if (in_array($dn, $userDns)) {
$role = $this->policyService->getRole($roleIdentifier);
$account->addRole($role);
}
}
} elseif (!empty($this->rolesConfiguration['userMapping'])) {
$this->logger->log('User mapping found but no party mapping for dn set', LOG_ALERT);
}
if (isset($this->partyConfiguration['username'])) {
$username = $this->eelEvaluator->evaluate($this->partyConfiguration['username'], $eelContext);
$groupMembership = $this->directoryService->getGroupMembership($username);
foreach ($this->rolesConfiguration['groupMapping'] as $roleIdentifier => $remoteRoleIdentifiers) {
foreach ($remoteRoleIdentifiers as $remoteRoleIdentifier) {
$role = $this->policyService->getRole($roleIdentifier);
if (isset($groupMembership[$remoteRoleIdentifier])) {
$account->addRole($role);
}
}
}
} elseif (!empty($this->rolesConfiguration['groupMapping'])) {
$this->logger->log('Group mapping found but no party mapping for username set', LOG_ALERT);
}
}
}
/**
* Merges the session and manager tokens. All manager tokens types will be in the result array
* If a specific type is found in the session this token replaces the one (of the same type)
* given by the manager.
*
* @param array $managerTokens Array of tokens provided by the authentication manager
* @param array $sessionTokens Array of tokens restored from the session
* @return array Array of \TYPO3\Flow\Security\Authentication\TokenInterface objects
*/
protected function mergeTokens($managerTokens, $sessionTokens)
{
$resultTokens = array();
if (!is_array($managerTokens)) {
return $resultTokens;
}
/** @var $managerToken \TYPO3\Flow\Security\Authentication\TokenInterface */
foreach ($managerTokens as $managerToken) {
$noCorrespondingSessionTokenFound = true;
if (!is_array($sessionTokens)) {
continue;
}
/** @var $sessionToken \TYPO3\Flow\Security\Authentication\TokenInterface */
foreach ($sessionTokens as $sessionToken) {
if ($sessionToken->getAuthenticationProviderName() === $managerToken->getAuthenticationProviderName()) {
$session = $this->sessionManager->getCurrentSession();
$this->securityLogger->log(sprintf('Session %s contains auth token %s for provider %s. Status: %s', $session->getId(), get_class($sessionToken), $sessionToken->getAuthenticationProviderName(), $this->tokenStatusLabels[$sessionToken->getAuthenticationStatus()]), LOG_INFO, null, 'Flow');
$resultTokens[$sessionToken->getAuthenticationProviderName()] = $sessionToken;
$noCorrespondingSessionTokenFound = false;
}
}
if ($noCorrespondingSessionTokenFound) {
$resultTokens[$managerToken->getAuthenticationProviderName()] = $managerToken;
}
}
return $resultTokens;
}
/**
* Logs calls and result of isPrivilegeTargetGranted()
*
* @Flow\After("method(TYPO3\Flow\Security\Authorization\PrivilegeManager->isPrivilegeTargetGranted())")
* @param JoinPointInterface $joinPoint
* @return void
*/
public function logPrivilegeAccessDecisions(JoinPointInterface $joinPoint)
{
$decision = $joinPoint->getResult() === true ? 'GRANTED' : 'DENIED';
$message = sprintf('Decided "%s" on privilege "%s".', $decision, $joinPoint->getMethodArgument('privilegeTargetIdentifier'));
$this->securityLogger->log($message, \LOG_INFO);
}