/**
* Register social login services
*
* @param Application $app Silex application
*/
public function register(Application $app)
{
$app['social-login.controller'] = $app->share(function ($app) {
$config = $app['config']->load('social-login');
$controller = new SocialLoginController();
$controller->setSocialLoginService($app['social-login.service'])->setConfig($config)->setServiceFactory(new ServiceFactory())->setSession($app['session']);
return $controller;
});
$app['social-login.mapper'] = $app->share(function ($app) {
return new SocialLoginMapper($app['db'], new SocialLoginEntity());
});
$app['social-login.service'] = $app->share(function ($app) {
$service = new SocialLoginService();
$service->setUserService($app['user.service'])->setSocialLoginMapper($app['social-login.mapper'])->setOAuthStorage($app['oauth.storage']);
return $service;
});
$app->get('/social-login/{provider}', 'social-login.controller:login')->bind('social-login-auth');
$app->get('/social-login/{provider}/link', 'social-login.controller:link')->bind('social-link-auth');
$app->get('/social-login/{provider}/callback', 'social-login.controller:callback')->bind('social-login-callback');
$this->setFirewalls($app);
}
/**
* Callback for OAuth authentication requests
*
* @param Request $request
* @return Response
*/
public function callback(Request $request)
{
// Check to see if this provider exists and has a callback implemented
$provider = strtolower($request->attributes->get('provider'));
if (!$this->providerExists($provider)) {
return $this->createNotFoundResponse();
}
if (!method_exists($this, $provider)) {
throw new LogicException(sprintf('Callback for provider \'%s\' not implemented', $provider));
}
// Use provider service and access token from provider to create a LoginRequest for our app
$code = $request->query->get('code');
$providerService = $this->getServiceByProvider($provider);
$providerToken = $providerService->requestAccessToken($code);
$socialLoginRequest = $this->{$provider}($providerService, $providerToken);
// Handle login or link-account request and redirect to the redirect-url
$state = (int) $request->query->get('state');
try {
if ($state === self::ACTION_LOGIN_WITH_ACCOUNT) {
$token = $this->service->handleLoginRequest($socialLoginRequest);
} elseif ($state === self::ACTION_LINK_ACCOUNT) {
$token = $this->service->handleLinkRequest($socialLoginRequest, $this->session->get('user'));
} else {
return new Response('State parameter not set', 422);
}
$redirect = $this->config['redirect-url'];
$redirect .= '?' . http_build_query($token);
} catch (NoLinkedAccountException $e) {
$redirect = $this->config['redirect-url'];
$redirect .= '?login_failure=1&error=no_linked_account';
} catch (LinkedAccountExistsException $e) {
$redirect = $this->config['redirect-url'];
$redirect .= '?login_failure=1&error=account_already_linked';
} catch (OutOfBoundsException $e) {
$redirect = $this->config['redirect-url'];
$redirect .= '?login_failure=1';
if ($e->getCode() === SocialLoginService::EXCEPTION_ACCOUNT_NOT_FOUND) {
$redirect .= '&error=account_not_found';
}
}
$response = new Response();
$response->setStatusCode(301);
$response->headers->set('Location', $redirect);
return $response;
}
