/**
* Replicates the original method behaviour, but also adds the ability to find a user by its Social Network Link.
* @param array $credentials
* @return \Illuminate\Database\Eloquent\Model|null|static
*/
public function retrieveByCredentials(array $credentials)
{
if (isset($credentials['provider'])) {
$network = SocialNetwork::find($credentials['provider']);
if ($network) {
/** @var SocialLink $profile */
$profile = $network->links()->where('username', $credentials['username'])->get();
if ($profile) {
return $profile->user;
}
}
return null;
} else {
return parent::retrieveByCredentials($credentials);
}
}
public function getCallback(string $provider)
{
try {
$data = $this->driver($provider)->user();
//if there's already an user with this social account, let's log him in!
/** @var SocialLink $link */
if ($link = SocialNetwork::find($provider)->links()->where('username', $data->getId())->with('user')->first()) {
return $this->loginAfterSignUp($link->user, $provider);
}
//if there's already an user with this social email, let's merge accounts
/** @var User $user */
if (($user = \Auth::user()) || $data->getEmail() && ($user = User::where('email', $data->getEmail())->first())) {
$this->fillUser($user, $data->user, $data, $provider);
if (\DB::transaction(function () use($user) {
//tries to save the user data from fillUser + the main network. If it fails, throw up
$user->throwOnValidation = true;
$user->save();
$this->saveLinks($user, true);
return true;
})) {
//if it works, let's go ahead, save other links (that might fail in case they're dups) and finish
$this->saveLinks($user);
return $this->loginAfterSignUp($user, $provider);
}
}
$user = new User();
$this->fillUser($user, $data->user, $data, $provider);
$user->username = $user->username ?? $data->getNickname() ?? strtok($user->email, '@');
$user->picture = $user->picture ?? $user->avatar;
//for some odd reason, Laravel is unable to automatically serialize the user object(?), so we do it by hand
session()->set('signup.user', serialize($user));
return view('auth.finishSignUp', compact('user', 'provider'));
} catch (InvalidModelException $e) {
return redirect()->action('AuthController@getSignUp')->with('social_error', true)->with('provider', $provider)->withErrors($e->getErrors());
} catch (\Exception $e) {
\Log::error(class_basename($e) . ' during social callback (' . printr($_GET) . '): [' . $e->getCode() . '] ' . $e->getMessage());
$redirect = redirect()->action('AuthController@getSignUp')->with('social_error', true)->with('provider', $provider);
if ($errors = request()->getSession()->get('errors')) {
$redirect->withErrors($errors->getBag('default'));
}
return $redirect;
}
}
/**
* Creates a {@link SocialLink} for the current user
* @param string|int $username The username data to be stored
* @param string $provider One recognizable provider name (from {@link SocialNetwork})
* @return SocialLink
* @throws InvalidModelException in case there's an issue with SocialLink validation
*/
public function addLink($username, string $provider)
{
$link = new SocialLink();
try {
$link->network()->associate(SocialNetwork::find($provider));
$link->user()->associate($this);
$link->username = $username;
$link->throwOnValidation = true;
$link->save();
} catch (QueryException $e) {
//integrity constraint violation: duplicate key && duplicate page == can be ignored
if (!($e->getCode() == 23505 && stripos($e->getMessage(), 'unique_social_user'))) {
throw $e;
//not an "expected" error, so let's throw it up
}
}
return $link;
}
