/**
* Sends the batch to the CloudSearch API
* @param LiftBatch $batch
*/
public function sendBatch($batch)
{
$response = $this->send('POST', $batch->convert_to_JSON());
if ($response && 'error' === $response->status) {
$this->error_messages = $response->errors;
return false;
}
if (in_array($this->http_interface->getStatusCode(), array(200, 201, 204))) {
return $response;
}
return false;
}
public function send_request($operation, $payload = array())
{
// Determine signing values
$current_time = time();
$timestamp = gmdate(self::DATE_FORMAT_SIGV4, $current_time);
// Initialize
$this->headers = array();
$this->signed_headers = array();
$this->canonical_headers = array();
$this->query = array('body' => is_array($payload) ? $payload : array());
//
$this->query['body']['Action'] = $operation;
$this->query['body']['Version'] = $this->api_version;
// Do a case-sensitive, natural order sort on the array keys.
uksort($this->query['body'], 'strcmp');
// Parse our request.
$parsed_url = parse_url($this->endpoint);
$host_header = strtolower($parsed_url['host']);
// Generate the querystring from $this->query
$this->querystring = $this->to_query_string($this->query);
// Compose the request.
$request_url = $this->endpoint . (isset($parsed_url['path']) ? '' : '/');
$this->querystring = $this->canonical_querystring();
$this->headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8';
$this->headers['X-Amz-Date'] = $timestamp;
$this->headers['Content-Length'] = strlen($this->querystring);
$this->headers['Content-MD5'] = $this->hex_to_base64(md5($this->querystring));
$this->headers['Host'] = $host_header;
$this->headers['Accept'] = 'application/json';
// Sort headers
uksort($this->headers, 'strnatcasecmp');
// Add headers to request and compute the string to sign
foreach ($this->headers as $header_key => $header_value) {
// Strip line breaks and remove consecutive spaces. Services collapse whitespace in signature calculation
$this->headers[$header_key] = preg_replace('/\\s+/', ' ', trim($header_value));
$this->canonical_headers[] = strtolower($header_key) . ':' . $header_value;
$this->signed_headers[] = strtolower($header_key);
}
$this->headers['Authorization'] = $this->authorization($timestamp);
$post = $this->http_interface->post($request_url, $this->canonical_querystring(), $this->headers);
$this->error = $post === false ? $this->http_interface->getLastError() : false;
$this->status_code = $this->http_interface->getStatusCode();
return $post;
}
