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<?php |
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namespace Svycka\SocialUser\OAuth2\GrantType; |
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use Facebook\Exceptions\FacebookSDKException; |
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use Facebook\Facebook as FacebookSDK; |
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use Svycka\SocialUser\Service\SocialUserService; |
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use Svycka\SocialUser\UserProfile; |
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use Svycka\SocialUser\UserProfileInterface; |
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/** |
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* @author Vytautas Stankus <[email protected]> |
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* @license MIT |
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*/ |
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class Facebook extends AbstractSocialGrantType |
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{ |
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const PROVIDER_NAME = 'facebook'; |
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/** |
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* @var SocialUserService |
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*/ |
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protected $socialUserService; |
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/** |
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* @var \Facebook\Facebook |
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*/ |
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protected $facebook; |
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public function __construct(SocialUserService $socialUserService, FacebookSDK $facebook) |
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{ |
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$this->socialUserService = $socialUserService; |
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$this->facebook = $facebook; |
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} |
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public function getQuerystringIdentifier() |
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{ |
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return 'facebook'; |
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} |
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/** |
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* @param string $token |
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* |
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* @return UserProfileInterface|null |
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*/ |
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protected function getTokenInfo($token) |
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{ |
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try { |
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// Get the Facebook\GraphNodes\GraphUser object for the current user. |
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$response = $this->facebook->get('/me?fields=id,name,email,first_name,last_name', $token); |
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$user = $response->getGraphUser(); |
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// check if we can get user identifier |
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if (empty($user->getId())) { |
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return null; |
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} |
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// do not accept tokens generated not for our application even if they are valid, |
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// to protect against "man in the middle" attack |
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$tokenMetadata = $this->facebook->getOAuth2Client()->debugToken($token); |
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// this is not required, but lets be sure because facebook API changes very often |
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$tokenMetadata->validateAppId($this->facebook->getApp()->getId()); |
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$userProfile = new UserProfile(); |
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$userProfile->setIdentifier($user->getId()); |
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$userProfile->setDisplayName($user->getName()); |
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$userProfile->setFirstName($user->getFirstName()); |
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$userProfile->setLastName($user->getLastName()); |
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$userProfile->setEmail($user->getEmail()); |
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// facebook doesn't allow login with not verified email |
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if (!empty($user->getEmail())) { |
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$userProfile->setEmailVerified(true); |
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} |
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return $userProfile; |
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} catch (FacebookSDKException $e) { |
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return null; |
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} |
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} |
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/** |
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* @param UserProfileInterface $socialUser |
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* |
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* @return int|null |
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*/ |
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protected function getLocalUser(UserProfileInterface $socialUser) |
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{ |
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return $this->socialUserService->getLocalUser(self::PROVIDER_NAME, $socialUser); |
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} |
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} |
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svycka /
social-user
