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   1  <?php
   2  
   3  namespace OAuth\OAuth2\Service;
   4  
   5  use OAuth\OAuth2\Token\StdOAuth2Token;
   6  use OAuth\Common\Http\Exception\TokenResponseException;
   7  use OAuth\Common\Http\Uri\Uri;
   8  use OAuth\Common\Consumer\CredentialsInterface;
   9  use OAuth\Common\Http\Client\ClientInterface;
  10  use OAuth\Common\Storage\TokenStorageInterface;
  11  use OAuth\Common\Http\Uri\UriInterface;
  12  
  13  /**
  14   * PayPal service.
  15   *
  16   * @author Flávio Heleno <flaviohbatista@gmail.com>
  17   * @link https://developer.paypal.com/webapps/developer/docs/integration/direct/log-in-with-paypal/detailed/
  18   */
  19  class Paypal extends AbstractService
  20  {
  21      /**
  22       * Defined scopes
  23       * @link https://developer.paypal.com/webapps/developer/docs/integration/direct/log-in-with-paypal/detailed/
  24       * @see  #attributes
  25       */
  26      const SCOPE_OPENID           = 'openid';
  27      const SCOPE_PROFILE          = 'profile';
  28      const SCOPE_PAYPALATTRIBUTES = 'https://uri.paypal.com/services/paypalattributes';
  29      const SCOPE_EMAIL            = 'email';
  30      const SCOPE_ADDRESS          = 'address';
  31      const SCOPE_PHONE            = 'phone';
  32      const SCOPE_EXPRESSCHECKOUT  = 'https://uri.paypal.com/services/expresscheckout';
  33  
  34      public function __construct(
  35          CredentialsInterface $credentials,
  36          ClientInterface $httpClient,
  37          TokenStorageInterface $storage,
  38          $scopes = array(),
  39          UriInterface $baseApiUri = null
  40      ) {
  41          parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
  42  
  43          if (null === $baseApiUri) {
  44              $this->baseApiUri = new Uri('https://api.paypal.com/v1/');
  45          }
  46      }
  47  
  48      /**
  49       * {@inheritdoc}
  50       */
  51      public function getAuthorizationEndpoint()
  52      {
  53          return new Uri('https://www.paypal.com/webapps/auth/protocol/openidconnect/v1/authorize');
  54      }
  55  
  56      /**
  57       * {@inheritdoc}
  58       */
  59      public function getAccessTokenEndpoint()
  60      {
  61          return new Uri('https://api.paypal.com/v1/identity/openidconnect/tokenservice');
  62      }
  63  
  64      /**
  65       * {@inheritdoc}
  66       */
  67      protected function getAuthorizationMethod()
  68      {
  69          return static::AUTHORIZATION_METHOD_HEADER_BEARER;
  70      }
  71  
  72      /**
  73       * {@inheritdoc}
  74       */
  75      protected function parseAccessTokenResponse($responseBody)
  76      {
  77          $data = json_decode($responseBody, true);
  78  
  79          if (null === $data || !is_array($data)) {
  80              throw new TokenResponseException('Unable to parse response.');
  81          } elseif (isset($data['message'])) {
  82              throw new TokenResponseException('Error in retrieving token: "' . $data['message'] . '"');
  83          } elseif (isset($data['name'])) {
  84              throw new TokenResponseException('Error in retrieving token: "' . $data['name'] . '"');
  85          }
  86  
  87          $token = new StdOAuth2Token();
  88          $token->setAccessToken($data['access_token']);
  89          $token->setLifeTime($data['expires_in']);
  90  
  91          if (isset($data['refresh_token'])) {
  92              $token->setRefreshToken($data['refresh_token']);
  93              unset($data['refresh_token']);
  94          }
  95  
  96          unset($data['access_token']);
  97          unset($data['expires_in']);
  98  
  99          $token->setExtraParams($data);
 100  
 101          return $token;
 102      }
 103  }