src/applications/auth/adapter/PhutilFacebookAuthAdapter.php

   1 <?php
   2
   3 /**
   4  * Authentication adapter for Facebook OAuth2.
   5  */
   6 final class PhutilFacebookAuthAdapter extends PhutilOAuthAuthAdapter {
   7
   8   public function getAdapterType() {
   9     return 'facebook';
  10   }
  11
  12   public function getAdapterDomain() {
  13     return 'facebook.com';
  14   }
  15
  16   public function getAccountID() {
  17     return $this->getOAuthAccountData('id');
  18   }
  19
  20   public function getAccountEmail() {
  21     return $this->getOAuthAccountData('email');
  22   }
  23
  24   public function getAccountName() {
  25     $link = $this->getOAuthAccountData('link');
  26     if (!$link) {
  27       return null;
  28     }
  29
  30     $matches = null;
  31     if (!preg_match('@/([^/]+)$@', $link, $matches)) {
  32       return null;
  33     }
  34
  35     return $matches[1];
  36   }
  37
  38   public function getAccountImageURI() {
  39     $picture = $this->getOAuthAccountData('picture');
  40     if ($picture) {
  41       $picture_data = idx($picture, 'data');
  42       if ($picture_data) {
  43         return idx($picture_data, 'url');
  44       }
  45     }
  46     return null;
  47   }
  48
  49   public function getAccountURI() {
  50     return $this->getOAuthAccountData('link');
  51   }
  52
  53   public function getAccountRealName() {
  54     return $this->getOAuthAccountData('name');
  55   }
  56
  57   protected function getAuthenticateBaseURI() {
  58     return 'https://www.facebook.com/dialog/oauth';
  59   }
  60
  61   protected function getTokenBaseURI() {
  62     return 'https://graph.facebook.com/oauth/access_token';
  63   }
  64
  65   protected function loadOAuthAccountData() {
  66     $fields = array(
  67       'id',
  68       'name',
  69       'email',
  70       'link',
  71       'picture',
  72     );
  73
  74     $uri = new PhutilURI('https://graph.facebook.com/me');
  75     $uri->replaceQueryParam('access_token', $this->getAccessToken());
  76     $uri->replaceQueryParam('fields', implode(',', $fields));
  77     list($body) = id(new HTTPSFuture($uri))->resolvex();
  78
  79     $data = null;
  80     try {
  81       $data = phutil_json_decode($body);
  82     } catch (PhutilJSONParserException $ex) {
  83       throw new PhutilProxyException(
  84         pht('Expected valid JSON response from Facebook account data request.'),
  85         $ex);
  86     }
  87
  88     return $data;
  89   }
  90
  91 }