[44] | 1 | <?php
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| 2 |
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| 3 | /**
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| 4 | * Zend Framework
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| 5 | *
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| 6 | * LICENSE
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| 7 | *
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| 8 | * This source file is subject to the new BSD license that is bundled
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| 9 | * with this package in the file LICENSE.txt.
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| 10 | * It is also available through the world-wide-web at this URL:
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| 11 | * http://framework.zend.com/license/new-bsd
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| 12 | * If you did not receive a copy of the license and are unable to
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| 13 | * obtain it through the world-wide-web, please send an email
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| 14 | * to license@zend.com so we can send you a copy immediately.
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| 15 | *
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| 16 | * @category Zend
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| 17 | * @package Zend_Gdata
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| 18 | * @subpackage Gdata
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| 19 | * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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| 20 | * @license http://framework.zend.com/license/new-bsd New BSD License
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| 21 | */
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| 22 |
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| 23 | /**
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| 24 | * @see Zend_Http_Client_Adapter_Proxy
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| 25 | */
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| 26 | require_once 'Zend/Http/Client/Adapter/Proxy.php';
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| 27 |
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| 28 | /**
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| 29 | * Extends the proxy HTTP adapter to handle streams instead of discrete body
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| 30 | * strings.
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| 31 | *
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| 32 | * @category Zend
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| 33 | * @package Zend_Gdata
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| 34 | * @subpackage Gdata
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| 35 | * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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| 36 | * @license http://framework.zend.com/license/new-bsd New BSD License
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| 37 | */
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| 38 | class Zend_Gdata_HttpAdapterStreamingProxy extends Zend_Http_Client_Adapter_Proxy
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| 39 | {
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| 40 | /**
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| 41 | * The amount read from a stream source at a time.
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| 42 | *
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| 43 | * @var integer
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| 44 | */
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| 45 | const CHUNK_SIZE = 1024;
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| 46 |
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| 47 | /**
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| 48 | * Send request to the proxy server with streaming support
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| 49 | *
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| 50 | * @param string $method
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| 51 | * @param Zend_Uri_Http $uri
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| 52 | * @param string $http_ver
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| 53 | * @param array $headers
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| 54 | * @param string $body
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| 55 | * @return string Request as string
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| 56 | */
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| 57 | public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')
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| 58 | {
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| 59 | // If no proxy is set, throw an error
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| 60 | if (! $this->config['proxy_host']) {
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| 61 | require_once 'Zend/Http/Client/Adapter/Exception.php';
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| 62 | throw new Zend_Http_Client_Adapter_Exception('No proxy host set!');
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| 63 | }
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| 64 |
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| 65 | // Make sure we're properly connected
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| 66 | if (! $this->socket) {
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| 67 | require_once 'Zend/Http/Client/Adapter/Exception.php';
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| 68 | throw new Zend_Http_Client_Adapter_Exception(
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| 69 | 'Trying to write but we are not connected');
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| 70 | }
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| 71 |
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| 72 | $host = $this->config['proxy_host'];
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| 73 | $port = $this->config['proxy_port'];
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| 74 |
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| 75 | if ($this->connected_to[0] != $host || $this->connected_to[1] != $port) {
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| 76 | require_once 'Zend/Http/Client/Adapter/Exception.php';
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| 77 | throw new Zend_Http_Client_Adapter_Exception(
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| 78 | 'Trying to write but we are connected to the wrong proxy ' .
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| 79 | 'server');
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| 80 | }
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| 81 |
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| 82 | // Add Proxy-Authorization header
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| 83 | if ($this->config['proxy_user'] && ! isset($headers['proxy-authorization'])) {
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| 84 | $headers['proxy-authorization'] = Zend_Http_Client::encodeAuthHeader(
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| 85 | $this->config['proxy_user'], $this->config['proxy_pass'], $this->config['proxy_auth']
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| 86 | );
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| 87 | }
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| 88 |
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| 89 | // if we are proxying HTTPS, preform CONNECT handshake with the proxy
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| 90 | if ($uri->getScheme() == 'https' && (! $this->negotiated)) {
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| 91 | $this->connectHandshake($uri->getHost(), $uri->getPort(), $http_ver, $headers);
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| 92 | $this->negotiated = true;
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| 93 | }
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| 94 |
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| 95 | // Save request method for later
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| 96 | $this->method = $method;
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| 97 |
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| 98 | // Build request headers
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| 99 | $request = "{$method} {$uri->__toString()} HTTP/{$http_ver}\r\n";
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| 100 |
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| 101 | // Add all headers to the request string
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| 102 | foreach ($headers as $k => $v) {
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| 103 | if (is_string($k)) $v = "$k: $v";
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| 104 | $request .= "$v\r\n";
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| 105 | }
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| 106 |
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| 107 | $request .= "\r\n";
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| 108 |
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| 109 | // Send the request headers
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| 110 | if (! @fwrite($this->socket, $request)) {
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| 111 | require_once 'Zend/Http/Client/Adapter/Exception.php';
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| 112 | throw new Zend_Http_Client_Adapter_Exception(
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| 113 | 'Error writing request to proxy server');
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| 114 | }
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| 115 |
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| 116 | //read from $body, write to socket
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| 117 | while ($body->hasData()) {
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| 118 | if (! @fwrite($this->socket, $body->read(self::CHUNK_SIZE))) {
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| 119 | require_once 'Zend/Http/Client/Adapter/Exception.php';
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| 120 | throw new Zend_Http_Client_Adapter_Exception(
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| 121 | 'Error writing request to server');
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| 122 | }
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| 123 | }
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| 124 | return 'Large upload, request is not cached.';
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| 125 | }
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| 126 | }
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