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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  class Ustream extends AbstractService
  14  {
  15      /**
  16       * Scopes.
  17       *
  18       * @var string
  19       */
  20      const SCOPE_OFFLINE = 'offline';
  21      const SCOPE_BROADCASTER = 'broadcaster';
  22  
  23      public function __construct(
  24          CredentialsInterface $credentials,
  25          ClientInterface $httpClient,
  26          TokenStorageInterface $storage,
  27          $scopes = [],
  28          ?UriInterface $baseApiUri = null
  29      ) {
  30          parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);
  31  
  32          if (null === $baseApiUri) {
  33              $this->baseApiUri = new Uri('https://api.ustream.tv/');
  34          }
  35      }
  36  
  37      /**
  38       * {@inheritdoc}
  39       */
  40      public function getAuthorizationEndpoint()
  41      {
  42          return new Uri('https://www.ustream.tv/oauth2/authorize');
  43      }
  44  
  45      /**
  46       * {@inheritdoc}
  47       */
  48      public function getAccessTokenEndpoint()
  49      {
  50          return new Uri('https://www.ustream.tv/oauth2/token');
  51      }
  52  
  53      /**
  54       * {@inheritdoc}
  55       */
  56      protected function getAuthorizationMethod()
  57      {
  58          return static::AUTHORIZATION_METHOD_HEADER_BEARER;
  59      }
  60  
  61      /**
  62       * {@inheritdoc}
  63       */
  64      protected function parseAccessTokenResponse($responseBody)
  65      {
  66          $data = json_decode($responseBody, true);
  67  
  68          if (null === $data || !is_array($data)) {
  69              throw new TokenResponseException('Unable to parse response.');
  70          } elseif (isset($data['error'])) {
  71              throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
  72          }
  73  
  74          $token = new StdOAuth2Token();
  75          $token->setAccessToken($data['access_token']);
  76          $token->setLifeTime($data['expires_in']);
  77  
  78          if (isset($data['refresh_token'])) {
  79              $token->setRefreshToken($data['refresh_token']);
  80              unset($data['refresh_token']);
  81          }
  82  
  83          unset($data['access_token'], $data['expires_in']);
  84  
  85          $token->setExtraParams($data);
  86  
  87          return $token;
  88      }
  89  
  90      /**
  91       * {@inheritdoc}
  92       */
  93      protected function getExtraOAuthHeaders()
  94      {
  95          return ['Authorization' => 'Basic ' . $this->credentials->getConsumerSecret()];
  96      }
  97  }