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<?php |
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namespace App\Auth; |
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use App\MemberToken; |
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use App\Member; |
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use Facebook\FacebookAuthorizationException; |
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use Facebook\FacebookSession; |
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use Facebook\FacebookRequest; |
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use Facebook\GraphUser; |
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use Illuminate; |
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use Illuminate\Support\Facades\Config; |
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use Illuminate\Support\Facades\Auth; |
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use Illuminate\Support\Facades\Session; |
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use Illuminate\Http\Request as HttpRequest; |
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/** |
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* Class Guard |
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* @package App\Auth |
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*/ |
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class Guard |
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{ |
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/** |
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* @param $code |
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* @return null |
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* @throws \Facebook\FacebookRequestException |
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* @throws \Facebook\FacebookSDKException |
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*/ |
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protected function getAccessToken($code) |
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{ |
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$response = (new FacebookRequest( |
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FacebookSession::newAppSession(), |
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'GET', |
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'/oauth/access_token', |
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[ |
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'client_id' => FacebookSession::_getTargetAppId(), |
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'client_secret' => FacebookSession::_getTargetAppSecret(), |
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'redirect_uri' => Config::get('auth.providers.facebook.redirect_uri'), |
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'code' => $code |
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] |
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))->execute()->getResponse(); |
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// Graph v2.3 and greater return objects on the /oauth/access_token endpoint |
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$accessToken = null; |
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if (is_object($response) && isset($response->access_token)) { |
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$accessToken = $response->access_token; |
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} elseif (is_array($response) && array_key_exists('access_token', $response)) { |
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$accessToken = $response['access_token']; |
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} |
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return $accessToken; |
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} |
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/** |
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* @name facebookAuth |
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* @param $code |
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* @return null |
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* @throws \Facebook\FacebookSDKException |
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* @throws \Facebook\FacebookRequestException |
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* @throws FacebookAuthorizationException |
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*/ |
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public function facebookAuth($code) |
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{ |
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$accessToken = $this->getAccessToken($code); |
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$session = new FacebookSession($accessToken); |
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if (!$session) { |
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throw new FacebookAuthorizationException('Invalid code', ['Invalid code'], 401); |
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} |
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/** |
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* @var GraphUser $userProfile |
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*/ |
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$userProfile = (new FacebookRequest( |
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$session, |
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'GET', |
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'/me' |
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))->execute()->getGraphObject(GraphUser::className()); |
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$user = Member::firstOrNew(['facebookId' => $userProfile->getId()]); |
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$user->name = $userProfile->getName(); |
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$user->save(); |
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Auth::login($user); |
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$memberToken = new MemberToken(); |
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$memberToken->memberId = $user->id; |
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$memberToken->accessToken = $accessToken; |
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$memberToken->sessionId = Session::getId(); |
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$memberToken->save(); |
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return $accessToken; |
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} |
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public function logout() |
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{ |
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// If we have an event dispatcher instance, we can fire off the logout event |
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// so any further processing can be done. This allows the developer to be |
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// listening for anytime a user signs out of this application manually. |
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MemberToken::where(['sessionId' => Session::getId()])->delete(); |
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} |
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/** |
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* @name getSessionId |
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* @param HttpRequest $request |
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* @return mixed |
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*/ |
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public static function getSessionId(HttpRequest $request) |
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{ |
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$accessToken = trim( |
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preg_replace('/^(?:\s+)?Bearer\s/', '', $request->header('Authorization')) |
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); |
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// find session with token |
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$memberToken = MemberToken::where('accessToken', $accessToken)->first(); |
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if ($memberToken && Session::isValidId($memberToken->sessionId)) { |
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/** |
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* @var MemberToken $memberToken |
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*/ |
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$memberToken->update([ |
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'updated_at' => $memberToken->freshTimestamp() |
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]); |
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return $memberToken->sessionId; |
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} else { |
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return $request->cookies->get(Session::getName()); |
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} |
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} |
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} |
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This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()
can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.