public function githubAction(Application $app, Request $request)
{
$clientID = getenv('GITHUB_API_KEY');
$clientSecret = getenv('GITHUB_API_SECRET');
$code = $request->query->get('code');
$redirectUri = $request->getScheme() . '://' . $request->getHost();
if (80 != $request->getPort()) {
$redirectUri .= ':' . $request->getPort();
}
$redirectUri .= '/auth/github';
$provider = new Github(['clientId' => $clientID, 'clientSecret' => $clientSecret, 'redirectUri' => $redirectUri, 'scopes' => ['user:email']]);
if (empty($code)) {
$authUrl = $provider->getAuthorizationUrl();
$app['session']->set('oauth2state', $provider->state);
return $app->redirect($authUrl);
} else {
$token = $provider->getAccessToken('authorization_code', ['code' => $code]);
$userDetails = $provider->getUserDetails($token);
try {
$user = $app['user.manager']->fetchUserByGithubUid($userDetails->uid);
} catch (UserNotFoundException $exception) {
$email = null;
foreach ($provider->getUserEmails($token) as $providerEmail) {
if ($providerEmail->primary) {
$email = $providerEmail->email;
break;
}
}
$user = $app['user.manager']->createUser(['email' => $email, 'roles' => ['ROLE_USER'], 'name' => $userDetails->name, 'githubUid' => $userDetails->uid]);
$app['user.manager']->saveUser($user);
}
$app['session']->set('user', $user);
return $app->redirect($app['url_generator']->generate('account.profile'));
}
}
/**
* Register a new user using their Github account.
*
* @param string $code
* @return \Tricks\User
*/
public function register($code)
{
$token = $this->provider->getAccessToken('authorization_code', ['code' => $code]);
$userDetails = $this->provider->getUserDetails($token);
$verifiedEmails = $this->getVerifiedEmails($token->accessToken);
$userDetails->email = $this->getPrimaryEmail($verifiedEmails);
$profile = $this->profiles->findByUid($userDetails->uid);
if (is_null($profile)) {
$user = $this->users->findByEmail($userDetails->email);
if (is_null($user)) {
$user = $this->users->createFromGithubData($userDetails);
}
$profile = $this->profiles->createFromGithubData($userDetails, $user, $token->accessToken);
} else {
$profile = $this->profiles->updateToken($profile, $token->accessToken);
$user = $profile->user;
}
return $user;
}
/**
* @param Request $request
* @param array $routeParams
* @return RedirectResponse|EmptyResponse
*/
public function handle(Request $request, array $routeParams = [])
{
session_start();
$provider = new Github(['clientId' => $this->settings->get('github.client_id'), 'clientSecret' => $this->settings->get('github.client_secret'), 'redirectUri' => $this->url->toRoute('github.login')]);
if (!isset($_GET['code'])) {
$authUrl = $provider->getAuthorizationUrl(['scope' => ['user:email']]);
$_SESSION['oauth2state'] = $provider->getState();
return new RedirectResponse($authUrl);
} elseif (empty($_GET['state']) || $_GET['state'] !== $_SESSION['oauth2state']) {
unset($_SESSION['oauth2state']);
echo 'Invalid state.';
exit;
}
$token = $provider->getAccessToken('authorization_code', ['code' => $_GET['code']]);
$owner = $provider->getResourceOwner($token);
$email = $owner->getEmail();
$username = preg_replace('/[^a-z0-9-_]/i', '', $owner->getNickname());
return $this->authenticated(compact('email'), compact('username'));
}
/**
* @param Application $app
*
* @return string token
*/
public function handleAuth(Application $app)
{
$code = $app->request()->get('code');
$state = $app->request()->get('state');
$key = sprintf('github.oauth2state.%s', session_id());
$sessionState = $this->redisClient->get($key);
if (is_null($code)) {
// If we don't have an authorization code then get one
$url = $this->oauth2Provider->getAuthorizationUrl();
$this->redisClient->setex($key, 300, $this->oauth2Provider->state);
$app->redirect($url);
} elseif (empty($state) || isset($sessionState) && $state !== $sessionState) {
// Check given state against previously stored one to mitigate CSRF attack
$this->redisClient->del($key);
throw new \RuntimeException('Invalid state');
}
// clean session
$this->redisClient->del($key);
// Try to get an access token (using the authorization code grant)
return $this->oauth2Provider->getAccessToken('authorization_code', ['code' => $code])->accessToken;
}
/**
*
*/
public function authorize()
{
$this->view->disable();
$provider = new Github(['clientId' => $this->clientId, 'clientSecret' => $this->clientSecret, 'redirectUri' => $this->redirectUriAuthorize]);
$code = $this->request->getQuery('code');
$state = $this->request->getQuery('state');
if (!isset($code)) {
// If we don't have an authorization code then get one
$authUrl = $provider->getAuthorizationUrl();
$this->session->set('oauth2state', $provider->state);
return $this->response->redirect($authUrl);
// Check given state against previously stored one to mitigate CSRF attack
} elseif (empty($state) || $state !== $this->session->get('oauth2state')) {
$this->session->remove('oauth2state');
exit('Invalid state');
} else {
// Try to get an access token (using the authorization code grant)
$token = $provider->getAccessToken('authorization_code', ['code' => $code]);
$uid = $provider->getUserUid($token);
$userDetails = $provider->getUserDetails($token);
return array($uid, $token, $userDetails);
}
}
/**
* Authenticate with GitHub and cache the access token
*
* @param Request $request
* @return \Illuminate\Http\RedirectResponse
*/
public function github(Request $request)
{
if (Cache::has('github_token')) {
return redirect('/');
}
$provider = new Provider\Github(['clientId' => env('GITHUB_CLIENT_ID'), 'clientSecret' => env('GITHUB_CLIENT_SECRET'), 'redirectUri' => url('auth/github')]);
if (!$request->get('code')) {
$authorizationUrl = $provider->getAuthorizationUrl(['scope' => ['notifications']]);
$request->session()->put('oauth2state', $provider->getState());
return redirect($authorizationUrl);
} elseif (empty($request->get('state')) || $request->get('state') !== $request->session()->get('oauth2state')) {
$request->session()->forget('oauth2state');
exit('Invalid state');
} else {
try {
$accessToken = $provider->getAccessToken('authorization_code', ['code' => $request->get('code')]);
$token = $accessToken->getToken();
Cache::put('github_token', $token, 60 * 24 * 30);
} catch (IdentityProviderException $e) {
exit($e->getMessage());
}
}
return redirect('/');
}
public function userDetails($response, AccessToken $token)
{
$user = parent::userDetails($response, $token);
// Fetch the primary email address
if (!$user->email) {
$emails = $this->fetchUserEmails($token);
$emails = json_decode($emails);
$email = null;
foreach ($emails as $email) {
if ($email->primary) {
$email = $email->email;
break;
}
}
$user->email = $email;
}
return $user;
}
