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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\auth\provider\oauth\service;
  15  
  16  /**
  17  * Google OAuth service
  18  */
  19  class google extends base
  20  {
  21      /**
  22      * phpBB config
  23      *
  24      * @var \phpbb\config\config
  25      */
  26      protected $config;
  27  
  28      /**
  29      * phpBB request
  30      *
  31      * @var \phpbb\request\request_interface
  32      */
  33      protected $request;
  34  
  35      /**
  36      * Constructor
  37      *
  38      * @param    \phpbb\config\config                $config
  39      * @param    \phpbb\request\request_interface     $request
  40      */
  41  	public function __construct(\phpbb\config\config $config, \phpbb\request\request_interface $request)
  42      {
  43          $this->config = $config;
  44          $this->request = $request;
  45      }
  46  
  47      /**
  48      * {@inheritdoc}
  49      */
  50  	public function get_auth_scope()
  51      {
  52          return array(
  53              'userinfo_email',
  54              'userinfo_profile',
  55          );
  56      }
  57  
  58      /**
  59      * {@inheritdoc}
  60      */
  61  	public function get_service_credentials()
  62      {
  63          return array(
  64              'key'        => $this->config['auth_oauth_google_key'],
  65              'secret'    => $this->config['auth_oauth_google_secret'],
  66          );
  67      }
  68  
  69      /**
  70      * {@inheritdoc}
  71      */
  72  	public function perform_auth_login()
  73      {
  74          if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Google))
  75          {
  76              throw new exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');
  77          }
  78  
  79          // This was a callback request, get the token
  80          $this->service_provider->requestAccessToken($this->request->variable('code', ''));
  81  
  82          // Send a request with it
  83          $result = json_decode($this->service_provider->request('https://www.googleapis.com/oauth2/v1/userinfo'), true);
  84  
  85          // Return the unique identifier
  86          return $result['id'];
  87      }
  88  
  89      /**
  90      * {@inheritdoc}
  91      */
  92  	public function perform_token_auth()
  93      {
  94          if (!($this->service_provider instanceof \OAuth\OAuth2\Service\Google))
  95          {
  96              throw new exception('AUTH_PROVIDER_OAUTH_ERROR_INVALID_SERVICE_TYPE');
  97          }
  98  
  99          // Send a request with it
 100          $result = json_decode($this->service_provider->request('https://www.googleapis.com/oauth2/v1/userinfo'), true);
 101  
 102          // Return the unique identifier
 103          return $result['id'];
 104      }
 105  }