Ejemplo n.º 1
0
 /**
  * Send the HTTP request and return an HTTP response object
  *
  * @param string $method
  * @return \Zend\Http\Response
  * @throws \Zend\Http\Client\Exception
  */
 public function request($method = null)
 {
     if (!$this->uri instanceof Uri\Url) {
         throw new Client\Exception('No valid URI has been passed to the client');
     }
     if ($method) {
         $this->setMethod($method);
     }
     $this->redirectCounter = 0;
     $response = null;
     // Make sure the adapter is loaded
     if ($this->adapter == null) {
         $this->setAdapter($this->config['adapter']);
     }
     // Send the first request. If redirected, continue.
     do {
         // Clone the URI and add the additional GET parameters to it
         $uri = clone $this->uri;
         if (!empty($this->paramsGet)) {
             $query = $uri->getQuery();
             if (!empty($query)) {
                 $query .= '&';
             }
             $query .= http_build_query($this->paramsGet, null, '&');
             $uri->setQuery($query);
         }
         $body = $this->_prepareBody();
         $headers = $this->_prepareHeaders();
         // check that adapter supports streaming before using it
         if (is_resource($body) && !$this->adapter instanceof Client\Adapter\Stream) {
             throw new Client\Exception('Adapter does not support streaming');
         }
         // Open the connection, send the request and read the response
         $this->adapter->connect($uri->getHost(), $uri->getPort(), $uri->getScheme() == 'https' ? true : false);
         if ($this->config['output_stream']) {
             if ($this->adapter instanceof Client\Adapter\Stream) {
                 $stream = $this->_openTempStream();
                 $this->adapter->setOutputStream($stream);
             } else {
                 throw new Client\Exception('Adapter does not support streaming');
             }
         }
         $this->last_request = $this->adapter->write($this->method, $uri, $this->config['httpversion'], $headers, $body);
         $response = $this->adapter->read();
         if (!$response) {
             throw new Client\Exception('Unable to read response, or response is empty');
         }
         if ($this->config['output_stream']) {
             rewind($stream);
             // cleanup the adapter
             $this->adapter->setOutputStream(null);
             $response = Response\Stream::fromStream($response, $stream);
             $response->setStreamName($this->_stream_name);
             if (!is_string($this->config['output_stream'])) {
                 // we used temp name, will need to clean up
                 $response->setCleanup(true);
             }
         } else {
             $response = Response::fromString($response);
         }
         if ($this->config['storeresponse']) {
             $this->last_response = $response;
         }
         // Load cookies into cookie jar
         if (isset($this->cookiejar)) {
             $this->cookiejar->addCookiesFromResponse($response, $uri);
         }
         // If we got redirected, look for the Location header
         if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
             // Check whether we send the exact same request again, or drop the parameters
             // and send a GET request
             if ($response->getStatus() == 303 || !$this->config['strictredirects'] && ($response->getStatus() == 302 || $response->getStatus() == 301)) {
                 $this->resetParameters();
                 $this->setMethod(self::GET);
             }
             // If we got a well formed absolute URI
             $url = new Uri\Url($location);
             if ($url->isValid()) {
                 $this->setHeaders('host', null);
                 $this->setUri($location);
             } else {
                 // Split into path and query and set the query
                 if (strpos($location, '?') !== false) {
                     list($location, $query) = explode('?', $location, 2);
                 } else {
                     $query = '';
                 }
                 $this->uri->setQuery($query);
                 // Else, if we got just an absolute path, set it
                 if (strpos($location, '/') === 0) {
                     $this->uri->setPath($location);
                     // Else, assume we have a relative path
                 } else {
                     // Get the current path directory, removing any trailing slashes
                     $path = $this->uri->getPath();
                     $path = rtrim(substr($path, 0, strrpos($path, '/')), "/");
                     $this->uri->setPath($path . '/' . $location);
                 }
             }
             ++$this->redirectCounter;
         } else {
             // If we didn't get any location, stop redirecting
             break;
         }
     } while ($this->redirectCounter < $this->config['maxredirects']);
     return $response;
 }