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0001 <?php 0002 0003 /** 0004 * Zend Framework 0005 * 0006 * LICENSE 0007 * 0008 * This source file is subject to the new BSD license that is bundled 0009 * with this package in the file LICENSE.txt. 0010 * It is also available through the world-wide-web at this URL: 0011 * http://framework.zend.com/license/new-bsd 0012 * If you did not receive a copy of the license and are unable to 0013 * obtain it through the world-wide-web, please send an email 0014 * to license@zend.com so we can send you a copy immediately. 0015 * 0016 * @category Zend 0017 * @package Zend_Gdata 0018 * @subpackage Gdata 0019 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) 0020 * @license http://framework.zend.com/license/new-bsd New BSD License 0021 * @version $Id$ 0022 */ 0023 0024 /** 0025 * @see Zend_Http_Client_Adapter_Proxy 0026 */ 0027 // require_once 'Zend/Http/Client/Adapter/Proxy.php'; 0028 0029 /** 0030 * Extends the proxy HTTP adapter to handle streams instead of discrete body 0031 * strings. 0032 * 0033 * @category Zend 0034 * @package Zend_Gdata 0035 * @subpackage Gdata 0036 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) 0037 * @license http://framework.zend.com/license/new-bsd New BSD License 0038 */ 0039 class Zend_Gdata_HttpAdapterStreamingProxy extends Zend_Http_Client_Adapter_Proxy 0040 { 0041 /** 0042 * The amount read from a stream source at a time. 0043 * 0044 * @var integer 0045 */ 0046 const CHUNK_SIZE = 1024; 0047 0048 /** 0049 * Send request to the proxy server with streaming support 0050 * 0051 * @param string $method 0052 * @param Zend_Uri_Http $uri 0053 * @param string $http_ver 0054 * @param array $headers 0055 * @param string $body 0056 * @return string Request as string 0057 */ 0058 public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '') 0059 { 0060 // If no proxy is set, throw an error 0061 if (! $this->config['proxy_host']) { 0062 // require_once 'Zend/Http/Client/Adapter/Exception.php'; 0063 throw new Zend_Http_Client_Adapter_Exception('No proxy host set!'); 0064 } 0065 0066 // Make sure we're properly connected 0067 if (! $this->socket) { 0068 // require_once 'Zend/Http/Client/Adapter/Exception.php'; 0069 throw new Zend_Http_Client_Adapter_Exception( 0070 'Trying to write but we are not connected'); 0071 } 0072 0073 $host = $this->config['proxy_host']; 0074 $port = $this->config['proxy_port']; 0075 0076 if ($this->connected_to[0] != $host || $this->connected_to[1] != $port) { 0077 // require_once 'Zend/Http/Client/Adapter/Exception.php'; 0078 throw new Zend_Http_Client_Adapter_Exception( 0079 'Trying to write but we are connected to the wrong proxy ' . 0080 'server'); 0081 } 0082 0083 // Add Proxy-Authorization header 0084 if ($this->config['proxy_user'] && ! isset($headers['proxy-authorization'])) { 0085 $headers['proxy-authorization'] = Zend_Http_Client::encodeAuthHeader( 0086 $this->config['proxy_user'], $this->config['proxy_pass'], $this->config['proxy_auth'] 0087 ); 0088 } 0089 0090 // if we are proxying HTTPS, preform CONNECT handshake with the proxy 0091 if ($uri->getScheme() == 'https' && (! $this->negotiated)) { 0092 $this->connectHandshake($uri->getHost(), $uri->getPort(), $http_ver, $headers); 0093 $this->negotiated = true; 0094 } 0095 0096 // Save request method for later 0097 $this->method = $method; 0098 0099 // Build request headers 0100 $request = "{$method} {$uri->__toString()} HTTP/{$http_ver}\r\n"; 0101 0102 // Add all headers to the request string 0103 foreach ($headers as $k => $v) { 0104 if (is_string($k)) $v = "$k: $v"; 0105 $request .= "$v\r\n"; 0106 } 0107 0108 $request .= "\r\n"; 0109 0110 // Send the request headers 0111 if (! @fwrite($this->socket, $request)) { 0112 // require_once 'Zend/Http/Client/Adapter/Exception.php'; 0113 throw new Zend_Http_Client_Adapter_Exception( 0114 'Error writing request to proxy server'); 0115 } 0116 0117 // Read from $body, write to socket 0118 $chunk = $body->read(self::CHUNK_SIZE); 0119 while ($chunk !== false) { 0120 if (!@fwrite($this->socket, $chunk)) { 0121 // require_once 'Zend/Http/Client/Adapter/Exception.php'; 0122 throw new Zend_Http_Client_Adapter_Exception( 0123 'Error writing request to server' 0124 ); 0125 } 0126 $chunk = $body->read(self::CHUNK_SIZE); 0127 } 0128 $body->closeFileHandle(); 0129 0130 return 'Large upload, request is not cached.'; 0131 } 0132 }