[17475] | 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) 2005-2012 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 | * @version $Id: HttpAdapterStreamingProxy.php 24594 2012-01-05 21:27:01Z matthew $ |
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| 22 | */ |
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| 23 | |
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| 24 | /** |
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| 25 | * @see Zend_Http_Client_Adapter_Proxy |
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| 26 | */ |
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| 27 | require_once 'Zend/Http/Client/Adapter/Proxy.php'; |
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| 28 | |
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| 29 | /** |
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| 30 | * Extends the proxy HTTP adapter to handle streams instead of discrete body |
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| 31 | * strings. |
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| 32 | * |
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| 33 | * @category Zend |
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| 34 | * @package Zend_Gdata |
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| 35 | * @subpackage Gdata |
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| 36 | * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com) |
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| 37 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 38 | */ |
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| 39 | class Zend_Gdata_HttpAdapterStreamingProxy extends Zend_Http_Client_Adapter_Proxy |
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| 40 | { |
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| 41 | /** |
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| 42 | * The amount read from a stream source at a time. |
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| 43 | * |
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| 44 | * @var integer |
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| 45 | */ |
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| 46 | const CHUNK_SIZE = 1024; |
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| 47 | |
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| 48 | /** |
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| 49 | * Send request to the proxy server with streaming support |
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| 50 | * |
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| 51 | * @param string $method |
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| 52 | * @param Zend_Uri_Http $uri |
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| 53 | * @param string $http_ver |
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| 54 | * @param array $headers |
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| 55 | * @param string $body |
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| 56 | * @return string Request as string |
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| 57 | */ |
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| 58 | public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '') |
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| 59 | { |
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| 60 | // If no proxy is set, throw an error |
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| 61 | if (! $this->config['proxy_host']) { |
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| 62 | require_once 'Zend/Http/Client/Adapter/Exception.php'; |
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| 63 | throw new Zend_Http_Client_Adapter_Exception('No proxy host set!'); |
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| 64 | } |
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| 65 | |
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| 66 | // Make sure we're properly connected |
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| 67 | if (! $this->socket) { |
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| 68 | require_once 'Zend/Http/Client/Adapter/Exception.php'; |
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| 69 | throw new Zend_Http_Client_Adapter_Exception( |
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| 70 | 'Trying to write but we are not connected'); |
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| 71 | } |
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| 72 | |
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| 73 | $host = $this->config['proxy_host']; |
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| 74 | $port = $this->config['proxy_port']; |
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| 75 | |
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| 76 | if ($this->connected_to[0] != $host || $this->connected_to[1] != $port) { |
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| 77 | require_once 'Zend/Http/Client/Adapter/Exception.php'; |
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| 78 | throw new Zend_Http_Client_Adapter_Exception( |
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| 79 | 'Trying to write but we are connected to the wrong proxy ' . |
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| 80 | 'server'); |
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| 81 | } |
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| 82 | |
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| 83 | // Add Proxy-Authorization header |
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| 84 | if ($this->config['proxy_user'] && ! isset($headers['proxy-authorization'])) { |
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| 85 | $headers['proxy-authorization'] = Zend_Http_Client::encodeAuthHeader( |
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| 86 | $this->config['proxy_user'], $this->config['proxy_pass'], $this->config['proxy_auth'] |
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| 87 | ); |
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| 88 | } |
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| 89 | |
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| 90 | // if we are proxying HTTPS, preform CONNECT handshake with the proxy |
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| 91 | if ($uri->getScheme() == 'https' && (! $this->negotiated)) { |
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| 92 | $this->connectHandshake($uri->getHost(), $uri->getPort(), $http_ver, $headers); |
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| 93 | $this->negotiated = true; |
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| 94 | } |
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| 95 | |
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| 96 | // Save request method for later |
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| 97 | $this->method = $method; |
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| 98 | |
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| 99 | // Build request headers |
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| 100 | $request = "{$method} {$uri->__toString()} HTTP/{$http_ver}\r\n"; |
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| 101 | |
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| 102 | // Add all headers to the request string |
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| 103 | foreach ($headers as $k => $v) { |
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| 104 | if (is_string($k)) $v = "$k: $v"; |
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| 105 | $request .= "$v\r\n"; |
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| 106 | } |
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| 107 | |
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| 108 | $request .= "\r\n"; |
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| 109 | |
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| 110 | // Send the request headers |
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| 111 | if (! @fwrite($this->socket, $request)) { |
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| 112 | require_once 'Zend/Http/Client/Adapter/Exception.php'; |
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| 113 | throw new Zend_Http_Client_Adapter_Exception( |
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| 114 | 'Error writing request to proxy server'); |
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| 115 | } |
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| 116 | |
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| 117 | //read from $body, write to socket |
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| 118 | while ($body->hasData()) { |
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| 119 | if (! @fwrite($this->socket, $body->read(self::CHUNK_SIZE))) { |
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| 120 | require_once 'Zend/Http/Client/Adapter/Exception.php'; |
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| 121 | throw new Zend_Http_Client_Adapter_Exception( |
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| 122 | 'Error writing request to server'); |
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| 123 | } |
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| 124 | } |
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| 125 | return 'Large upload, request is not cached.'; |
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| 126 | } |
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| 127 | } |
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