/**
  * Modify the url and add headers appropriate to authenticate to Acquia Search.
  *
  * @return
  *  The nonce used in the request.
  */
 protected function prepareRequest(&$url, &$options, $use_data = TRUE)
 {
     $id = uniqid();
     if (!stristr($url, '?')) {
         $url .= "?";
     } else {
         $url .= "&";
     }
     $url .= 'request_id=' . $id;
     if ($use_data && isset($options['data'])) {
         list($cookie, $nonce) = acquia_search_auth_cookie($url, $options['data'], NULL, $this->env_id);
     } else {
         list($cookie, $nonce) = acquia_search_auth_cookie($url, NULL, NULL, $this->env_id);
     }
     if (empty($cookie)) {
         throw new Exception('Invalid authentication string - subscription keys expired or missing.');
     }
     $options['headers']['Cookie'] = $cookie;
     $options['headers'] += array('User-Agent' => 'acquia_search/' . variable_get('acquia_search_version', '7.x'));
     $options['context'] = acquia_agent_stream_context_create($url, 'acquia_search');
     if (!$options['context']) {
         throw new Exception(t("Could not create stream context"));
     }
     return $nonce;
 }
 /**
  * Modify the url and add headers appropriate to authenticate to Acquia Search.
  *
  * @return
  *  The nonce used in the request.
  */
 protected function prepareRequest(&$url, &$options, $use_data = TRUE)
 {
     // Add a unique request ID to the URL.
     $id = uniqid();
     if (!stristr($url, '?')) {
         $url .= "?";
     } else {
         $url .= "&";
     }
     $url .= 'request_id=' . $id;
     // If we're hosted on Acquia, and have an Acquia request ID,
     // append it to the request so that we map Solr queries to Acquia search requests.
     if (isset($_ENV['HTTP_X_REQUEST_ID'])) {
         $xid = empty($_ENV['HTTP_X_REQUEST_ID']) ? '-' : $_ENV['HTTP_X_REQUEST_ID'];
         $url .= '&x-request-id=' . rawurlencode($xid);
     }
     if ($use_data && isset($options['data'])) {
         list($cookie, $nonce) = acquia_search_auth_cookie($url, $options['data'], NULL, $this->env_id);
     } else {
         list($cookie, $nonce) = acquia_search_auth_cookie($url, NULL, NULL, $this->env_id);
     }
     if (empty($cookie)) {
         throw new Exception('Invalid authentication string - subscription keys expired or missing.');
     }
     $options['headers']['Cookie'] = $cookie;
     $options['headers'] += array('User-Agent' => 'acquia_search/' . variable_get('acquia_search_version', '7.x'));
     $options['context'] = acquia_agent_stream_context_create($url, 'acquia_search');
     if (!$options['context']) {
         throw new Exception(t("Could not create stream context"));
     }
     return $nonce;
 }
 protected function _makeHttpRequest($url, $method = 'GET', $headers = array(), $content = '', $timeout = FALSE)
 {
     // Set a response timeout
     if ($timeout) {
         $default_socket_timeout = ini_set('default_socket_timeout', $timeout);
     }
     $ctx = acquia_agent_stream_context_create($url, 'acquia_search');
     if (!$ctx) {
         throw new Exception(t("Could not create stream context"));
     }
     $result = acquia_agent_http_request($ctx, $url, $headers, $method, $content);
     // Restore the response timeout
     if ($timeout) {
         ini_set('default_socket_timeout', $default_socket_timeout);
     }
     // This will no longer be needed after http://drupal.org/node/345591 is committed
     $responses = array(0 => 'Request failed', 100 => 'Continue', 101 => 'Switching Protocols', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Time-out', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Large', 415 => 'Unsupported Media Type', 416 => 'Requested range not satisfiable', 417 => 'Expectation Failed', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Time-out', 505 => 'HTTP Version not supported');
     if (!isset($result->code) || $result->code < 0) {
         $result->code = 0;
     }
     if (!isset($result->data)) {
         $result->data = '';
     }
     if (!isset($result->error)) {
         $result->error = '';
     }
     if (!isset($responses[$result->code])) {
         $result->code = floor($result->code / 100) * 100;
     }
     $protocol = "HTTP/1.1";
     $headers[] = "{$protocol} {$result->code} {$responses[$result->code]}. {$result->error}";
     if (isset($result->headers)) {
         foreach ($result->headers as $name => $value) {
             $headers[] = "{$name}: {$value}";
         }
     }
     return array($result->data, $headers);
 }