-<?php namespace Oxbow\Services;
+<?php namespace BookStack\Services;
use Laravel\Socialite\Contracts\Factory as Socialite;
-use Oxbow\Exceptions\SocialDriverNotConfigured;
-use Oxbow\Exceptions\UserNotFound;
-use Oxbow\Repos\UserRepo;
+use BookStack\Exceptions\SocialDriverNotConfigured;
+use BookStack\Exceptions\SocialSignInException;
+use BookStack\Exceptions\UserRegistrationException;
+use BookStack\Repos\UserRepo;
+use BookStack\SocialAccount;
class SocialAuthService
{
protected $userRepo;
protected $socialite;
+ protected $socialAccount;
- protected $validSocialDrivers = ['google', 'github'];
+ protected $validSocialDrivers = ['google', 'github', 'facebook', 'slack', 'twitter'];
/**
* SocialAuthService constructor.
- * @param $userRepo
- * @param $socialite
+ * @param UserRepo $userRepo
+ * @param Socialite $socialite
+ * @param SocialAccount $socialAccount
*/
- public function __construct(UserRepo $userRepo, Socialite $socialite)
+ public function __construct(UserRepo $userRepo, Socialite $socialite, SocialAccount $socialAccount)
{
$this->userRepo = $userRepo;
$this->socialite = $socialite;
+ $this->socialAccount = $socialAccount;
}
- public function logIn($socialDriver)
+
+ /**
+ * Start the social login path.
+ * @param string $socialDriver
+ * @return \Symfony\Component\HttpFoundation\RedirectResponse
+ * @throws SocialDriverNotConfigured
+ */
+ public function startLogIn($socialDriver)
{
$driver = $this->validateDriver($socialDriver);
return $this->socialite->driver($driver)->redirect();
}
/**
- * Get a user from socialite after a oAuth callback.
- *
+ * Start the social registration process
+ * @param string $socialDriver
+ * @return \Symfony\Component\HttpFoundation\RedirectResponse
+ * @throws SocialDriverNotConfigured
+ */
+ public function startRegister($socialDriver)
+ {
+ $driver = $this->validateDriver($socialDriver);
+ return $this->socialite->driver($driver)->redirect();
+ }
+
+ /**
+ * Handle the social registration process on callback.
* @param $socialDriver
- * @return mixed
+ * @return \Laravel\Socialite\Contracts\User
+ * @throws SocialDriverNotConfigured
+ * @throws UserRegistrationException
+ */
+ public function handleRegistrationCallback($socialDriver)
+ {
+ $driver = $this->validateDriver($socialDriver);
+
+ // Get user details from social driver
+ $socialUser = $this->socialite->driver($driver)->user();
+
+ // Check social account has not already been used
+ if ($this->socialAccount->where('driver_id', '=', $socialUser->getId())->exists()) {
+ throw new UserRegistrationException(trans('errors.social_account_in_use', ['socialAccount'=>$socialDriver]), '/login');
+ }
+
+ if ($this->userRepo->getByEmail($socialUser->getEmail())) {
+ $email = $socialUser->getEmail();
+ throw new UserRegistrationException(trans('errors.social_account_in_use', ['socialAccount'=>$socialDriver, 'email' => $email]), '/login');
+ }
+
+ return $socialUser;
+ }
+
+ /**
+ * Handle the login process on a oAuth callback.
+ * @param $socialDriver
+ * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
* @throws SocialDriverNotConfigured
- * @throws UserNotFound
+ * @throws SocialSignInException
*/
- public function getUserFromCallback($socialDriver)
+ public function handleLoginCallback($socialDriver)
{
$driver = $this->validateDriver($socialDriver);
+
// Get user details from social driver
$socialUser = $this->socialite->driver($driver)->user();
- $user = $this->userRepo->getByEmail($socialUser->getEmail());
+ $socialId = $socialUser->getId();
+
+ // Get any attached social accounts or users
+ $socialAccount = $this->socialAccount->where('driver_id', '=', $socialId)->first();
+ $isLoggedIn = auth()->check();
+ $currentUser = user();
+
+ // When a user is not logged in and a matching SocialAccount exists,
+ // Simply log the user into the application.
+ if (!$isLoggedIn && $socialAccount !== null) {
+ return $this->logUserIn($socialAccount->user);
+ }
+
+ // When a user is logged in but the social account does not exist,
+ // Create the social account and attach it to the user & redirect to the profile page.
+ if ($isLoggedIn && $socialAccount === null) {
+ $this->fillSocialAccount($socialDriver, $socialUser);
+ $currentUser->socialAccounts()->save($this->socialAccount);
+ session()->flash('success', trans('settings.users_social_connected', ['socialAccount' => title_case($socialDriver)]));
+ return redirect($currentUser->getEditUrl());
+ }
+
+ // When a user is logged in and the social account exists and is already linked to the current user.
+ if ($isLoggedIn && $socialAccount !== null && $socialAccount->user->id === $currentUser->id) {
+ session()->flash('error', trans('errors.social_account_existing', ['socialAccount' => title_case($socialDriver)]));
+ return redirect($currentUser->getEditUrl());
+ }
- // Redirect if the email is not a current user.
- if ($user === null) {
- throw new UserNotFound('A user with the email ' . $socialUser->getEmail() . ' was not found.', '/login');
+ // When a user is logged in, A social account exists but the users do not match.
+ if ($isLoggedIn && $socialAccount !== null && $socialAccount->user->id != $currentUser->id) {
+ session()->flash('error', trans('errors.social_account_already_used_existing', ['socialAccount' => title_case($socialDriver)]));
+ return redirect($currentUser->getEditUrl());
}
- return $user;
+ // Otherwise let the user know this social account is not used by anyone.
+ $message = trans('errors.social_account_not_used', ['socialAccount' => title_case($socialDriver)]);
+ if (setting('registration-enabled')) {
+ $message .= trans('errors.social_account_register_instructions', ['socialAccount' => title_case($socialDriver)]);
+ }
+
+ throw new SocialSignInException($message . '.', '/login');
+ }
+
+
+ private function logUserIn($user)
+ {
+ auth()->login($user);
+ return redirect('/');
}
/**
{
$driver = trim(strtolower($socialDriver));
- if (!in_array($driver, $this->validSocialDrivers)) abort(404, 'Social Driver Not Found');
- if (!$this->checklDriverConfigured($driver)) throw new SocialDriverNotConfigured;
+ if (!in_array($driver, $this->validSocialDrivers)) abort(404, trans('errors.social_driver_not_found'));
+ if (!$this->checkDriverConfigured($driver)) throw new SocialDriverNotConfigured(trans('errors.social_driver_not_configured', ['socialAccount' => title_case($socialDriver)]));
return $driver;
}
* @param $driver
* @return bool
*/
- private function checklDriverConfigured($driver)
+ private function checkDriverConfigured($driver)
{
- $upperName = strtoupper($driver);
- $config = [env($upperName . '_APP_ID', false), env($upperName . '_APP_SECRET', false), env('APP_URL', false)];
- return (!in_array(false, $config) && !in_array(null, $config));
+ $lowerName = strtolower($driver);
+ $configPrefix = 'services.' . $lowerName . '.';
+ $config = [config($configPrefix . 'client_id'), config($configPrefix . 'client_secret'), config('services.callback_url')];
+ return !in_array(false, $config) && !in_array(null, $config);
}
/**
public function getActiveDrivers()
{
$activeDrivers = [];
- foreach ($this->validSocialDrivers as $driverName) {
- if ($this->checklDriverConfigured($driverName)) {
- $activeDrivers[$driverName] = true;
+ foreach ($this->validSocialDrivers as $driverKey) {
+ if ($this->checkDriverConfigured($driverKey)) {
+ $activeDrivers[$driverKey] = $this->getDriverName($driverKey);
}
}
return $activeDrivers;
}
+ /**
+ * Get the presentational name for a driver.
+ * @param $driver
+ * @return mixed
+ */
+ public function getDriverName($driver)
+ {
+ return config('services.' . strtolower($driver) . '.name');
+ }
+
+ /**
+ * @param string $socialDriver
+ * @param \Laravel\Socialite\Contracts\User $socialUser
+ * @return SocialAccount
+ */
+ public function fillSocialAccount($socialDriver, $socialUser)
+ {
+ $this->socialAccount->fill([
+ 'driver' => $socialDriver,
+ 'driver_id' => $socialUser->getId(),
+ 'avatar' => $socialUser->getAvatar()
+ ]);
+ return $this->socialAccount;
+ }
+
+ /**
+ * Detach a social account from a user.
+ * @param $socialDriver
+ * @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
+ */
+ public function detachSocialAccount($socialDriver)
+ {
+ user()->socialAccounts()->where('driver', '=', $socialDriver)->delete();
+ session()->flash('success', trans('settings.users_social_disconnected', ['socialAccount' => title_case($socialDriver)]));
+ return redirect(user()->getEditUrl());
+ }
}
\ No newline at end of file