/** * Performs a HTTP request using the specified method * * @param string $method The HTTP method for the request - 'GET', 'POST', * 'PUT', 'DELETE' * @param string $url The URL to which this request is being performed * @param array $headers An associative array of HTTP headers * for this request * @param string $body The body of the HTTP request * @param string $contentType The value for the content type * of the request body * @param int $remainingRedirects Number of redirects to follow if request * s results in one * @return \Zend\Http\Response The response object */ public function performHttpRequest($method, $url, $headers = null, $body = null, $contentType = null, $remainingRedirects = null) { if ($remainingRedirects === null) { $remainingRedirects = self::getMaxRedirects(); } if ($headers === null) { $headers = array(); } // Append a Gdata version header if protocol v2 or higher is in use. // (Protocol v1 does not use this header.) $major = $this->getMajorProtocolVersion(); $minor = $this->getMinorProtocolVersion(); if ($major >= 2) { $headers['GData-Version'] = $major + ($minor === null ? '.' + $minor : ''); } // check the overridden method if (($method == 'POST' || $method == 'PUT') && $body === null && $headers['x-http-method-override'] != 'DELETE') { throw new App\InvalidArgumentException('You must specify the data to post as either a ' . 'string or a child of Zend\\GData\\App\\Entry'); } if ($url === null) { throw new App\InvalidArgumentException('You must specify an URI to which to post.'); } $headers['Content-Type'] = $contentType; if (self::getGzipEnabled()) { // some services require the word 'gzip' to be in the user-agent // header in addition to the accept-encoding header if (strpos($this->_httpClient->getHeader('User-Agent'), 'gzip') === false) { $headers['User-Agent'] = $this->_httpClient->getHeader('User-Agent') . ' (gzip)'; } $headers['Accept-encoding'] = 'gzip, deflate'; } else { $headers['Accept-encoding'] = 'identity'; } // Make sure the HTTP client object is 'clean' before making a request // In addition to standard headers to reset via resetParameters(), // also reset the Slug and If-Match headers $this->_httpClient->resetParameters(); $this->_httpClient->setHeaders(array('Slug', 'If-Match')); // Set the params for the new request to be performed $this->_httpClient->setHeaders($headers); $urlObj = new \Zend\Uri\Url($url); preg_match("/^(.*?)(\\?.*)?\$/", $url, $matches); $this->_httpClient->setUri($matches[1]); $queryArray = $urlObj->getQueryAsArray(); foreach ($queryArray as $name => $value) { $this->_httpClient->setParameterGet($name, $value); } $this->_httpClient->setConfig(array('maxredirects' => 0)); // Set the proper adapter if we are handling a streaming upload $usingMimeStream = false; $oldHttpAdapter = null; if ($body instanceof \Zend\GData\MediaMimeStream) { $usingMimeStream = true; $this->_httpClient->setRawDataStream($body, $contentType); $oldHttpAdapter = $this->_httpClient->getAdapter(); if ($oldHttpAdapter instanceof \Zend\Http\Client\Adapter\Proxy) { $newAdapter = new HttpAdapterStreamingProxy(); } else { $newAdapter = new HttpAdapterStreamingSocket(); } $this->_httpClient->setAdapter($newAdapter); } else { $this->_httpClient->setRawData($body, $contentType); } try { $response = $this->_httpClient->request($method); // reset adapter if ($usingMimeStream) { $this->_httpClient->setAdapter($oldHttpAdapter); } } catch (\Zend\Http\Client\Exception $e) { // reset adapter if ($usingMimeStream) { $this->_httpClient->setAdapter($oldHttpAdapter); } throw new App\HttpException($e->getMessage(), $e); } if ($response->isRedirect() && $response->getStatus() != '304') { if ($remainingRedirects > 0) { $newUrl = $response->getHeader('Location'); $response = $this->performHttpRequest($method, $newUrl, $headers, $body, $contentType, $remainingRedirects); } else { throw new App\HttpException('Number of redirects exceeds maximum', null, $response); } } if (!$response->isSuccessful()) { $exceptionMessage = 'Expected response code 200, got ' . $response->getStatus(); if (self::getVerboseExceptionMessages()) { $exceptionMessage .= "\n" . $response->getBody(); } $exception = new App\HttpException($exceptionMessage); $exception->setResponse($response); throw $exception; } return $response; }