CakeDC\Users\Controller\Traits\LoginTrait::twitterLogin PHP Метод

    public function twitterLogin()
    {
        $this->autoRender = false;
        $server = new Twitter(['identifier' => Configure::read('OAuth.providers.twitter.options.clientId'), 'secret' => Configure::read('OAuth.providers.twitter.options.clientSecret'), 'callbackUri' => Configure::read('OAuth.providers.twitter.options.redirectUri')]);
        $oauthToken = $this->request->query('oauth_token');
        $oauthVerifier = $this->request->query('oauth_verifier');
        if (!empty($oauthToken) && !empty($oauthVerifier)) {
            $temporaryCredentials = $this->request->session()->read('temporary_credentials');
            $tokenCredentials = $server->getTokenCredentials($temporaryCredentials, $oauthToken, $oauthVerifier);
            $user = (array) $server->getUserDetails($tokenCredentials);
            $user['token'] = ['accessToken' => $tokenCredentials->getIdentifier(), 'tokenSecret' => $tokenCredentials->getSecret()];
            $this->request->session()->write(Configure::read('Users.Key.Session.social'), $user);
            try {
                $user = $this->Auth->identify();
                $this->_afterIdentifyUser($user, true);
            } catch (UserNotActiveException $ex) {
                $exception = $ex;
            } catch (AccountNotActiveException $ex) {
                $exception = $ex;
            } catch (MissingEmailException $ex) {
                $exception = $ex;
            }
            if (!empty($exception)) {
                return $this->failedSocialLogin($exception, $this->request->session()->read(Configure::read('Users.Key.Session.social')), true);
            }
        } else {
            $temporaryCredentials = $server->getTemporaryCredentials();
            $this->request->session()->write('temporary_credentials', $temporaryCredentials);
            $url = $server->getAuthorizationUrl($temporaryCredentials);
            return $this->redirect($url);
        }
    }