Beispiel #1
0
 /**
  * Send the HTTP request and return an HTTP response object
  *
  * @param string $method
  * @return Sh_Zend_Http_Response
  * @throws Sh_Zend_Http_Client_Exception
  */
 public function request($method = null)
 {
     if (!$this->uri instanceof Sh_Zend_Uri_Http) {
         /** @see Sh_Zend_Http_Client_Exception */
         require_once sh404SEF_ADMIN_ABS_PATH . 'lib/Zend/Http/Client/Exception.php';
         throw new Sh_Zend_Http_Client_Exception('No valid URI has been passed to the client');
     }
     if ($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 Sh_Zend_Http_Client_Adapter_Stream) {
             /** @see Sh_Zend_Http_Client_Exception */
             require_once sh404SEF_ADMIN_ABS_PATH . 'lib/Zend/Http/Client/Exception.php';
             throw new Sh_Zend_Http_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 Sh_Zend_Http_Client_Adapter_Stream) {
                 $stream = $this->_openTempStream();
                 $this->adapter->setOutputStream($stream);
             } else {
                 /** @see Sh_Zend_Http_Client_Exception */
                 require_once sh404SEF_ADMIN_ABS_PATH . 'lib/Zend/Http/Client/Exception.php';
                 throw new Sh_Zend_Http_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) {
             /** @see Sh_Zend_Http_Client_Exception */
             require_once sh404SEF_ADMIN_ABS_PATH . 'lib/Zend/Http/Client/Exception.php';
             throw new Sh_Zend_Http_Client_Exception('Unable to read response, or response is empty');
         }
         if ($this->config['output_stream']) {
             rewind($stream);
             // cleanup the adapter
             $this->adapter->setOutputStream(null);
             $response = Sh_Zend_Http_Response_Stream::fromStream($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 {
             $response = Sh_Zend_Http_Response::fromString($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();
                 $this->setMethod(self::GET);
             }
             // If we got a well formed absolute URI
             if (Sh_Zend_Uri_Http::check($location)) {
                 $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;
 }
Beispiel #2
0
 /**
  * Get the response body as string
  *
  * This method returns the body of the HTTP response (the content), as it
  * should be in it's readable version - that is, after decoding it (if it
  * was decoded), deflating it (if it was gzip compressed), etc.
  *
  * If you want to get the raw body (as transfered on wire) use
  * $this->getRawBody() instead.
  *
  * @return string
  */
 public function getBody()
 {
     if ($this->stream != null) {
         $this->readStream();
     }
     return parent::getBody();
 }
Beispiel #3
0
 /**
  * Read response from server
  *
  * @return string
  */
 public function read()
 {
     // First, read headers only
     $response = '';
     $gotStatus = false;
     $stream = !empty($this->config['stream']);
     while (($line = @fgets($this->socket)) !== false) {
         $gotStatus = $gotStatus || strpos($line, 'HTTP') !== false;
         if ($gotStatus) {
             $response .= $line;
             if (rtrim($line) === '') {
                 break;
             }
         }
     }
     $this->_checkSocketReadTimeout();
     $statusCode = Sh_Zend_Http_Response::extractCode($response);
     // Handle 100 and 101 responses internally by restarting the read again
     if ($statusCode == 100 || $statusCode == 101) {
         return $this->read();
     }
     // Check headers to see what kind of connection / transfer encoding we have
     $headers = Sh_Zend_Http_Response::extractHeaders($response);
     /**
      * Responses to HEAD requests and 204 or 304 responses are not expected
      * to have a body - stop reading here
      */
     if ($statusCode == 304 || $statusCode == 204 || $this->method == Sh_Zend_Http_Client::HEAD) {
         // Close the connection if requested to do so by the server
         if (isset($headers['connection']) && $headers['connection'] == 'close') {
             $this->close();
         }
         return $response;
     }
     // If we got a 'transfer-encoding: chunked' header
     if (isset($headers['transfer-encoding'])) {
         if (strtolower($headers['transfer-encoding']) == 'chunked') {
             do {
                 $line = @fgets($this->socket);
                 $this->_checkSocketReadTimeout();
                 $chunk = $line;
                 // Figure out the next chunk size
                 $chunksize = trim($line);
                 if (!ctype_xdigit($chunksize)) {
                     $this->close();
                     require_once sh404SEF_ADMIN_ABS_PATH . 'lib/Zend/Http/Client/Adapter/Exception.php';
                     throw new Sh_Zend_Http_Client_Adapter_Exception('Invalid chunk size "' . $chunksize . '" unable to read chunked body');
                 }
                 // Convert the hexadecimal value to plain integer
                 $chunksize = hexdec($chunksize);
                 // Read next chunk
                 $read_to = ftell($this->socket) + $chunksize;
                 do {
                     $current_pos = ftell($this->socket);
                     if ($current_pos >= $read_to) {
                         break;
                     }
                     if ($this->out_stream) {
                         if (stream_copy_to_stream($this->socket, $this->out_stream, $read_to - $current_pos) == 0) {
                             $this->_checkSocketReadTimeout();
                             break;
                         }
                     } else {
                         $line = @fread($this->socket, $read_to - $current_pos);
                         if ($line === false || strlen($line) === 0) {
                             $this->_checkSocketReadTimeout();
                             break;
                         }
                         $chunk .= $line;
                     }
                 } while (!feof($this->socket));
                 $chunk .= @fgets($this->socket);
                 $this->_checkSocketReadTimeout();
                 if (!$this->out_stream) {
                     $response .= $chunk;
                 }
             } while ($chunksize > 0);
         } else {
             $this->close();
             require_once sh404SEF_ADMIN_ABS_PATH . 'lib/Zend/Http/Client/Adapter/Exception.php';
             throw new Sh_Zend_Http_Client_Adapter_Exception('Cannot handle "' . $headers['transfer-encoding'] . '" transfer encoding');
         }
         // We automatically decode chunked-messages when writing to a stream
         // this means we have to disallow the Sh_Zend_Http_Response to do it again
         if ($this->out_stream) {
             $response = str_ireplace("Transfer-Encoding: chunked\r\n", '', $response);
         }
         // Else, if we got the content-length header, read this number of bytes
     } elseif (isset($headers['content-length'])) {
         // If we got more than one Content-Length header (see ZF-9404) use
         // the last value sent
         if (is_array($headers['content-length'])) {
             $contentLength = $headers['content-length'][count($headers['content-length']) - 1];
         } else {
             $contentLength = $headers['content-length'];
         }
         $current_pos = ftell($this->socket);
         $chunk = '';
         for ($read_to = $current_pos + $contentLength; $read_to > $current_pos; $current_pos = ftell($this->socket)) {
             if ($this->out_stream) {
                 if (@stream_copy_to_stream($this->socket, $this->out_stream, $read_to - $current_pos) == 0) {
                     $this->_checkSocketReadTimeout();
                     break;
                 }
             } else {
                 $chunk = @fread($this->socket, $read_to - $current_pos);
                 if ($chunk === false || strlen($chunk) === 0) {
                     $this->_checkSocketReadTimeout();
                     break;
                 }
                 $response .= $chunk;
             }
             // Break if the connection ended prematurely
             if (feof($this->socket)) {
                 break;
             }
         }
         // Fallback: just read the response until EOF
     } else {
         do {
             if ($this->out_stream) {
                 if (@stream_copy_to_stream($this->socket, $this->out_stream) == 0) {
                     $this->_checkSocketReadTimeout();
                     break;
                 }
             } else {
                 $buff = @fread($this->socket, 8192);
                 if ($buff === false || strlen($buff) === 0) {
                     $this->_checkSocketReadTimeout();
                     break;
                 } else {
                     $response .= $buff;
                 }
             }
         } while (feof($this->socket) === false);
         $this->close();
     }
     // Close the connection if requested to do so by the server
     if (isset($headers['connection']) && $headers['connection'] == 'close') {
         $this->close();
     }
     return $response;
 }