1 <?php

     2 

     3 /**

     4  * Zend Framework

     5  *

     6  * LICENSE

     7  *

     8  * This source file is subject to the new BSD license that is bundled

     9  * with this package in the file LICENSE.txt.

    10  * It is also available through the world-wide-web at this URL:

    11  * http://framework.zend.com/license/new-bsd

    12  * If you did not receive a copy of the license and are unable to

    13  * obtain it through the world-wide-web, please send an email

    14  * to license@zend.com so we can send you a copy immediately.

    15  *

    16  * @category   Zend

    17  * @package    Zend_Gdata

    18  * @subpackage Gdata

    19  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    20  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    21  * @version    $Id: HttpAdapterStreamingSocket.php 20096 2010-01-06 02:05:09Z bkarwin $

    22  */

    23 

    24 /**

    25  * @see Zend_Http_Client_Adapter_Socket

    26  */

    27 require_once 'Zend/Http/Client/Adapter/Socket.php';

    28 

    29 /**

    30  * Extends the default HTTP adapter to handle streams instead of discrete body

    31  * strings.

    32  *

    33  * @category   Zend

    34  * @package    Zend_Gdata

    35  * @subpackage Gdata

    36  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    37  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    38  */

    39 class Zend_Gdata_HttpAdapterStreamingSocket extends Zend_Http_Client_Adapter_Socket

    40 {

    41 

    42     /**

    43      * The amount read from a stream source at a time.

    44      *

    45      * @var integer

    46      */

    47     const CHUNK_SIZE = 1024;

    48 

    49     /**

    50      * Send request to the remote server with streaming support.

    51      *

    52      * @param string        $method

    53      * @param Zend_Uri_Http $uri

    54      * @param string        $http_ver

    55      * @param array         $headers

    56      * @param string        $body

    57      * @return string Request as string

    58      */

    59     public function write($method, $uri, $http_ver = '1.1', $headers = array(),

    60         $body = '')

    61     {

    62         // Make sure we're properly connected

    63         if (! $this->socket) {

    64             require_once 'Zend/Http/Client/Adapter/Exception.php';

    65             throw new Zend_Http_Client_Adapter_Exception(

    66                 'Trying to write but we are not connected');

    67         }

    68 

    69         $host = $uri->getHost();

    70         $host = (strtolower($uri->getScheme()) == 'https' ? $this->config['ssltransport'] : 'tcp') . '://' . $host;

    71         if ($this->connected_to[0] != $host || $this->connected_to[1] != $uri->getPort()) {

    72             require_once 'Zend/Http/Client/Adapter/Exception.php';

    73             throw new Zend_Http_Client_Adapter_Exception(

    74                 'Trying to write but we are connected to the wrong host');

    75         }

    76 

    77         // Save request method for later

    78         $this->method = $method;

    79 

    80         // Build request headers

    81         $path = $uri->getPath();

    82         if ($uri->getQuery()) $path .= '?' . $uri->getQuery();

    83         $request = "{$method} {$path} HTTP/{$http_ver}\r\n";

    84         foreach ($headers as $k => $v) {

    85             if (is_string($k)) $v = ucfirst($k) . ": $v";

    86             $request .= "$v\r\n";

    87         }

    88 

    89         // Send the headers over

    90         $request .= "\r\n";

    91         if (! @fwrite($this->socket, $request)) {

    92             require_once 'Zend/Http/Client/Adapter/Exception.php';

    93             throw new Zend_Http_Client_Adapter_Exception(

    94                 'Error writing request to server');

    95         }

    96 

    97 

    98         //read from $body, write to socket

    99         $chunk = $body->read(self::CHUNK_SIZE);

   100         while ($chunk !== FALSE) {

   101             if (! @fwrite($this->socket, $chunk)) {

   102                 require_once 'Zend/Http/Client/Adapter/Exception.php';

   103                 throw new Zend_Http_Client_Adapter_Exception(

   104                     'Error writing request to server');

   105             }

   106             $chunk = $body->read(self::CHUNK_SIZE);

   107         }

   108         $body->closeFileHandle();

   109         return 'Large upload, request is not cached.';

   110     }

   111 }