source: extensions/Google2Piwigo/include/Zend/Gdata/HttpAdapterStreamingProxy.php @ 17475

Revision 17475, 4.4 KB checked in by mistic100, 7 years ago (diff)

new extension: Google2Piwigo

Line 
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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
20 * @license    http://framework.zend.com/license/new-bsd     New BSD License
21 * @version    $Id: HttpAdapterStreamingProxy.php 24594 2012-01-05 21:27:01Z matthew $
22 */
23
24/**
25 * @see Zend_Http_Client_Adapter_Proxy
26 */
27require_once 'Zend/Http/Client/Adapter/Proxy.php';
28
29/**
30 * Extends the proxy 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) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
37 * @license    http://framework.zend.com/license/new-bsd     New BSD License
38 */
39class Zend_Gdata_HttpAdapterStreamingProxy extends Zend_Http_Client_Adapter_Proxy
40{
41    /**
42     * The amount read from a stream source at a time.
43     *
44     * @var integer
45     */
46    const CHUNK_SIZE = 1024;
47
48    /**
49     * Send request to the proxy server with streaming support
50     *
51     * @param string        $method
52     * @param Zend_Uri_Http $uri
53     * @param string        $http_ver
54     * @param array         $headers
55     * @param string        $body
56     * @return string Request as string
57     */
58    public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
59    {
60        // If no proxy is set, throw an error
61        if (! $this->config['proxy_host']) {
62            require_once 'Zend/Http/Client/Adapter/Exception.php';
63            throw new Zend_Http_Client_Adapter_Exception('No proxy host set!');
64        }
65
66        // Make sure we're properly connected
67        if (! $this->socket) {
68            require_once 'Zend/Http/Client/Adapter/Exception.php';
69            throw new Zend_Http_Client_Adapter_Exception(
70                'Trying to write but we are not connected');
71        }
72
73        $host = $this->config['proxy_host'];
74        $port = $this->config['proxy_port'];
75
76        if ($this->connected_to[0] != $host || $this->connected_to[1] != $port) {
77            require_once 'Zend/Http/Client/Adapter/Exception.php';
78            throw new Zend_Http_Client_Adapter_Exception(
79                'Trying to write but we are connected to the wrong proxy ' .
80                'server');
81        }
82
83        // Add Proxy-Authorization header
84        if ($this->config['proxy_user'] && ! isset($headers['proxy-authorization'])) {
85            $headers['proxy-authorization'] = Zend_Http_Client::encodeAuthHeader(
86                $this->config['proxy_user'], $this->config['proxy_pass'], $this->config['proxy_auth']
87            );
88        }
89
90        // if we are proxying HTTPS, preform CONNECT handshake with the proxy
91        if ($uri->getScheme() == 'https' && (! $this->negotiated)) {
92            $this->connectHandshake($uri->getHost(), $uri->getPort(), $http_ver, $headers);
93            $this->negotiated = true;
94        }
95
96        // Save request method for later
97        $this->method = $method;
98
99        // Build request headers
100        $request = "{$method} {$uri->__toString()} HTTP/{$http_ver}\r\n";
101
102        // Add all headers to the request string
103        foreach ($headers as $k => $v) {
104            if (is_string($k)) $v = "$k: $v";
105            $request .= "$v\r\n";
106        }
107
108        $request .= "\r\n";
109
110        // Send the request headers
111        if (! @fwrite($this->socket, $request)) {
112            require_once 'Zend/Http/Client/Adapter/Exception.php';
113            throw new Zend_Http_Client_Adapter_Exception(
114                'Error writing request to proxy server');
115        }
116
117        //read from $body, write to socket
118        while ($body->hasData()) {
119            if (! @fwrite($this->socket, $body->read(self::CHUNK_SIZE))) {
120                require_once 'Zend/Http/Client/Adapter/Exception.php';
121                throw new Zend_Http_Client_Adapter_Exception(
122                    'Error writing request to server');
123            }
124        }
125        return 'Large upload, request is not cached.';
126    }
127}
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