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   1  <?php
   2  
   3  namespace OAuth\OAuth2\Service;
   4  
   5  use OAuth\Common\Consumer\CredentialsInterface;
   6  use OAuth\Common\Http\Client\ClientInterface;
   7  use OAuth\Common\Http\Exception\TokenResponseException;
   8  use OAuth\Common\Http\Uri\Uri;
   9  use OAuth\Common\Http\Uri\UriInterface;
  10  use OAuth\Common\Storage\TokenStorageInterface;
  11  use OAuth\OAuth2\Token\StdOAuth2Token;
  12  
  13  /**
  14   * Amazon service.
  15   *
  16   * @author Flávio Heleno <flaviohbatista@gmail.com>
  17   *
  18   * @see https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
  19   */
  20  class Amazon extends AbstractService
  21  {
  22      /**
  23       * Defined scopes.
  24       *
  25       * @see https://images-na.ssl-images-amazon.com/images/G/01/lwa/dev/docs/website-developer-guide._TTH_.pdf
  26       */
  27      const SCOPE_PROFILE = 'profile';
  28      const SCOPE_POSTAL_CODE = 'postal_code';
  29  
  30      public function __construct(
  31          CredentialsInterface $credentials,
  32          ClientInterface $httpClient,
  33          TokenStorageInterface $storage,
  34          $scopes = [],
  35          ?UriInterface $baseApiUri = null
  36      ) {
  37          parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
  38  
  39          if (null === $baseApiUri) {
  40              $this->baseApiUri = new Uri('https://api.amazon.com/');
  41          }
  42      }
  43  
  44      /**
  45       * {@inheritdoc}
  46       */
  47      public function getAuthorizationEndpoint()
  48      {
  49          return new Uri('https://www.amazon.com/ap/oa');
  50      }
  51  
  52      /**
  53       * {@inheritdoc}
  54       */
  55      public function getAccessTokenEndpoint()
  56      {
  57          return new Uri('https://www.amazon.com/ap/oatoken');
  58      }
  59  
  60      /**
  61       * {@inheritdoc}
  62       */
  63      protected function getAuthorizationMethod()
  64      {
  65          return static::AUTHORIZATION_METHOD_HEADER_BEARER;
  66      }
  67  
  68      /**
  69       * {@inheritdoc}
  70       */
  71      protected function parseAccessTokenResponse($responseBody)
  72      {
  73          $data = json_decode($responseBody, true);
  74  
  75          if (null === $data || !is_array($data)) {
  76              throw new TokenResponseException('Unable to parse response.');
  77          } elseif (isset($data['error_description'])) {
  78              throw new TokenResponseException('Error in retrieving token: "' . $data['error_description'] . '"');
  79          } elseif (isset($data['error'])) {
  80              throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
  81          }
  82  
  83          $token = new StdOAuth2Token();
  84          $token->setAccessToken($data['access_token']);
  85          $token->setLifeTime($data['expires_in']);
  86  
  87          if (isset($data['refresh_token'])) {
  88              $token->setRefreshToken($data['refresh_token']);
  89              unset($data['refresh_token']);
  90          }
  91  
  92          unset($data['access_token'], $data['expires_in']);
  93  
  94          $token->setExtraParams($data);
  95  
  96          return $token;
  97      }
  98  }