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   1  <?php
   2  
   3  namespace OAuth\OAuth2\Service;
   4  
   5  use OAuth\OAuth2\Service\AbstractService;
   6  use OAuth\OAuth2\Token\StdOAuth2Token;
   7  use OAuth\Common\Http\Exception\TokenResponseException;
   8  use OAuth\Common\Http\Uri\Uri;
   9  use OAuth\Common\Consumer\CredentialsInterface;
  10  use OAuth\Common\Http\Client\ClientInterface;
  11  use OAuth\Common\Storage\TokenStorageInterface;
  12  use OAuth\Common\Http\Uri\UriInterface;
  13  
  14  class Salesforce extends AbstractService
  15  {
  16      /**
  17       * Scopes
  18       *
  19       * @var string
  20       */
  21      const   SCOPE_API           =   'api',
  22              SCOPE_REFRESH_TOKEN =   'refresh_token';
  23  
  24      /**
  25       * {@inheritdoc}
  26       */
  27      public function getAuthorizationEndpoint()
  28      {
  29          return new Uri('https://login.salesforce.com/services/oauth2/authorize');
  30      }
  31  
  32      /**
  33       * {@inheritdoc}
  34       */
  35      public function getAccessTokenEndpoint()
  36      {
  37          return new Uri('https://login.salesforce.com/services/oauth2/token');
  38      }
  39  
  40      /**
  41       * {@inheritdoc}
  42       */
  43      protected function parseRequestTokenResponse($responseBody)
  44      {
  45          parse_str($responseBody, $data);
  46  
  47          if (null === $data || !is_array($data)) {
  48              throw new TokenResponseException('Unable to parse response.');
  49          } elseif (!isset($data['oauth_callback_confirmed']) || $data['oauth_callback_confirmed'] !== 'true') {
  50              throw new TokenResponseException('Error in retrieving token.');
  51          }
  52  
  53          return $this->parseAccessTokenResponse($responseBody);
  54      }
  55  
  56      /**
  57       * {@inheritdoc}
  58       */
  59      protected function parseAccessTokenResponse($responseBody)
  60      {
  61          $data = json_decode($responseBody, true);
  62  
  63          if (null === $data || !is_array($data)) {
  64              throw new TokenResponseException('Unable to parse response.');
  65          } elseif (isset($data['error'])) {
  66              throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
  67          }
  68  
  69          $token = new StdOAuth2Token();
  70          $token->setAccessToken($data['access_token']);
  71          // Salesforce tokens evidently never expire...
  72          $token->setEndOfLife(StdOAuth2Token::EOL_NEVER_EXPIRES);
  73          unset($data['access_token']);
  74  
  75          if (isset($data['refresh_token'])) {
  76              $token->setRefreshToken($data['refresh_token']);
  77              unset($data['refresh_token']);
  78          }
  79  
  80          $token->setExtraParams($data);
  81  
  82          return $token;
  83      }
  84  
  85      /**
  86       * {@inheritdoc}
  87       */
  88      protected function getExtraOAuthHeaders()
  89      {
  90          return array('Accept' => 'application/json');
  91      }
  92  }