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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   * Dropbox service.
  15   *
  16   * @author Flávio Heleno <flaviohbatista@gmail.com>
  17   * @link https://www.dropbox.com/developers/core/docs
  18   */
  19  class Dropbox extends AbstractService
  20  {
  21      public function __construct(
  22          CredentialsInterface $credentials,
  23          ClientInterface $httpClient,
  24          TokenStorageInterface $storage,
  25          $scopes = array(),
  26          UriInterface $baseApiUri = null
  27      ) {
  28          parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri);
  29  
  30          if (null === $baseApiUri) {
  31              $this->baseApiUri = new Uri('https://api.dropbox.com/1/');
  32          }
  33      }
  34  
  35      /**
  36       * {@inheritdoc}
  37       */
  38      public function getAuthorizationUri(array $additionalParameters = array())
  39      {
  40          $parameters = array_merge(
  41              $additionalParameters,
  42              array(
  43                  'client_id'     => $this->credentials->getConsumerId(),
  44                  'redirect_uri'  => $this->credentials->getCallbackUrl(),
  45                  'response_type' => 'code',
  46              )
  47          );
  48  
  49          $parameters['scope'] = implode(' ', $this->scopes);
  50  
  51          // Build the url
  52          $url = clone $this->getAuthorizationEndpoint();
  53          foreach ($parameters as $key => $val) {
  54              $url->addToQuery($key, $val);
  55          }
  56  
  57          return $url;
  58      }
  59  
  60      /**
  61       * {@inheritdoc}
  62       */
  63      public function getAuthorizationEndpoint()
  64      {
  65          return new Uri('https://www.dropbox.com/1/oauth2/authorize');
  66      }
  67  
  68      /**
  69       * {@inheritdoc}
  70       */
  71      public function getAccessTokenEndpoint()
  72      {
  73          return new Uri('https://api.dropbox.com/1/oauth2/token');
  74      }
  75  
  76      /**
  77       * {@inheritdoc}
  78       */
  79      protected function getAuthorizationMethod()
  80      {
  81          return static::AUTHORIZATION_METHOD_QUERY_STRING;
  82      }
  83  
  84      /**
  85       * {@inheritdoc}
  86       */
  87      protected function parseAccessTokenResponse($responseBody)
  88      {
  89          $data = json_decode($responseBody, true);
  90  
  91          if (null === $data || !is_array($data)) {
  92              throw new TokenResponseException('Unable to parse response.');
  93          } elseif (isset($data['error'])) {
  94              throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '"');
  95          }
  96  
  97          $token = new StdOAuth2Token();
  98          $token->setAccessToken($data['access_token']);
  99  
 100          if (isset($data['refresh_token'])) {
 101              $token->setRefreshToken($data['refresh_token']);
 102              unset($data['refresh_token']);
 103          }
 104  
 105          unset($data['access_token']);
 106  
 107          $token->setExtraParams($data);
 108  
 109          return $token;
 110      }
 111  }