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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   * Amazon service.
  15   *
  16   * @author Flávio Heleno <flaviohbatista@gmail.com>
  17   * @link https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
  18   */
  19  class Amazon extends AbstractService
  20  {
  21      /**
  22       * Defined scopes
  23       * @link https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
  24       */
  25      const SCOPE_PROFILE     = 'profile';
  26      const SCOPE_POSTAL_CODE = 'postal_code';
  27  
  28      public function __construct(
  29          CredentialsInterface $credentials,
  30          ClientInterface $httpClient,
  31          TokenStorageInterface $storage,
  32          $scopes = array(),
  33          UriInterface $baseApiUri = null
  34      ) {
  35          parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
  36  
  37          if (null === $baseApiUri) {
  38              $this->baseApiUri = new Uri('https://api.amazon.com/');
  39          }
  40      }
  41  
  42      /**
  43       * {@inheritdoc}
  44       */
  45      public function getAuthorizationEndpoint()
  46      {
  47          return new Uri('https://www.amazon.com/ap/oa');
  48      }
  49  
  50      /**
  51       * {@inheritdoc}
  52       */
  53      public function getAccessTokenEndpoint()
  54      {
  55          return new Uri('https://www.amazon.com/ap/oatoken');
  56      }
  57  
  58      /**
  59       * {@inheritdoc}
  60       */
  61      protected function getAuthorizationMethod()
  62      {
  63          return static::AUTHORIZATION_METHOD_HEADER_BEARER;
  64      }
  65  
  66      /**
  67       * {@inheritdoc}
  68       */
  69      protected function parseAccessTokenResponse($responseBody)
  70      {
  71          $data = json_decode($responseBody, true);
  72  
  73          if (null === $data || !is_array($data)) {
  74              throw new TokenResponseException('Unable to parse response.');
  75          } elseif (isset($data['error_description'])) {
  76              throw new TokenResponseException('Error in retrieving token: "' . $data['error_description'] . '"');
  77          } elseif (isset($data['error'])) {
  78              throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
  79          }
  80  
  81          $token = new StdOAuth2Token();
  82          $token->setAccessToken($data['access_token']);
  83          $token->setLifeTime($data['expires_in']);
  84  
  85          if (isset($data['refresh_token'])) {
  86              $token->setRefreshToken($data['refresh_token']);
  87              unset($data['refresh_token']);
  88          }
  89  
  90          unset($data['access_token']);
  91          unset($data['expires_in']);
  92  
  93          $token->setExtraParams($data);
  94  
  95          return $token;
  96      }
  97  }