DrupalOAuth2Client.inc in OAuth Connector 7

File

modules/oauth2/lib/DrupalOAuth2Client.inc

<?php

class DrupalOAuth2Client extends DrupalOAuthClient {
  public function getAccessToken($endpoint = NULL, $options = array()) {
    if ($this->accessToken) {
      return clone $this->accessToken;
    }
    $options += array(
      'params' => array(),
      'realm' => NULL,
      'get' => FALSE,
    );
    if (empty($endpoint)) {
      if (!empty($this->consumer->configuration['access_endpoint'])) {
        $endpoint = $this->consumer->configuration['access_endpoint'];
      }
      else {
        $endpoint = '/oauth/access_token';
      }
    }
    $response = $this
      ->get($endpoint, array(
      'token' => TRUE,
      'params' => $options['params'],
      'realm' => $options['realm'],
      'get' => $options['get'],
    ));
    $params = array();
    parse_str($response, $params);
    if (empty($params['access_token'])) {
      $params = drupal_json_decode($response);
    }

    // FB doet het weer anders... pff
    if (isset($params['expires'])) {
      $params['expires_in'] = $params['expires'];
    }
    if (empty($params['access_token'])) {
      throw new Exception('No valid access token was returned');
    }

    // Check if we've has recieved this token previously and if so use the old one

    //TODO: Is this safe!? What if eg. multiple users are getting the same access token from the provider?
    $this->accessToken = DrupalOAuthToken::loadByKey($params['access_token'], $this->consumer);
    if (!$this->accessToken) {
      $expires = 0;
      if (isset($params['expires_in']) && $params['expires_in']) {
        $expires = REQUEST_TIME + $params['expires_in'];
      }
      $this->accessToken = new DrupalOAuthToken($params['access_token'], '', $this->consumer, array(
        'type' => OAUTH_COMMON_TOKEN_TYPE_ACCESS,
        'expires' => $expires,
      ));

      // TODO: doe iets met refresh token. $params['refresh_token']
    }
    return clone $this->accessToken;
  }
  public function getAuthorizationUrl($endpoint = NULL, $options = array()) {
    $options += array(
      'params' => array(),
    );
    if (empty($endpoint)) {
      if (!empty($this->consumer->configuration['authorization_endpoint'])) {
        $endpoint = $this->consumer->configuration['authorization_endpoint'];
      }
      else {
        $endpoint = '/oauth/authorize';
      }
    }
    $endpoint = $this
      ->getAbsolutePath($endpoint);
    $append_query = strpos($endpoint, '?') === FALSE ? '?' : '&';
    return $endpoint . $append_query . http_build_query($options['params'], NULL, '&');
  }
  protected function get($path, $options = array()) {
    $options += array(
      'token' => FALSE,
      'params' => array(),
      'realm' => NULL,
      'get' => FALSE,
    );
    if (empty($options['realm']) && !empty($this->consumer->configuration['authentication_realm'])) {
      $options['realm'] = $this->consumer->configuration['authentication_realm'];
    }
    $token = $options['token'] ? $this->requestToken : NULL;
    $path = $this
      ->getAbsolutePath($path);
    $req = OAuthRequest::from_consumer_and_token($this->consumer, $token, $options['get'] ? 'GET' : 'POST', $path, $options['params']);
    $req
      ->sign_request($this->signatureMethod, $this->consumer, $token);
    $url = $req
      ->get_normalized_http_url();
    $params = array();
    foreach ($req
      ->get_parameters() as $param_key => $param_value) {
      if (substr($param_key, 0, 5) != 'oauth') {
        $params[$param_key] = $param_value;
      }
    }
    if (!empty($params) && $options['get']) {
      $url .= '?' . drupal_http_build_query($params);
    }
    $headers = array(
      'Accept: application/x-www-form-urlencoded',
      $req
        ->to_header($options['realm']),
    );
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    if (!$options['get']) {
      curl_setopt($ch, CURLOPT_POST, 1);
      curl_setopt($ch, CURLOPT_POSTFIELDS, drupal_http_build_query($params));

      // required for Google+?
    }
    $oauth_version = _oauth_common_version();
    curl_setopt($ch, CURLOPT_USERAGENT, 'Drupal/' . VERSION . ' OAuth/' . $oauth_version);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
    curl_setopt($ch, CURLOPT_HEADER, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($ch);
    $error = curl_error($ch);
    curl_close($ch);
    if ($error) {
      throw new Exception($error);
    }
    $result = $this
      ->interpretResponse($response);
    if ($result->responseCode != 200) {
      throw new Exception('Failed to fetch data from url "' . $path . '" (HTTP response code ' . $result->responseCode . ' ' . $result->responseMessage . '): ' . $result->body, $result->responseCode);
    }
    return $result->body;
  }

}

Classes

Name	Description
DrupalOAuth2Client