vendor/domit/php_http_proxy.php

   1 <?php
   2 /**
   3 * PHP HTTP Tools is a library for working with the http protocol
   4 * php_http_proxy represents a basic http proxy
   5 * @package php-http-tools
   6 * @version 0.2-pre
   7 * @copyright (C) 2004 John Heinstein. All rights reserved
   8 * @license http://www.gnu.org/copyleft/lesser.html LGPL License
   9 * @author John Heinstein <johnkarl@nbnet.nb.ca>
  10 * @link http://www.engageinteractive.com/php_http_tools/ PHP HTTP Tools Home Page
  11 * PHP HTTP Tools are Free Software
  12 **/
  13 if (!defined('PHP_HTTP_TOOLS_INCLUDE_PATH')) {
  14         define('PHP_HTTP_TOOLS_INCLUDE_PATH', (dirname(__FILE__) . "/"));
  15 }
  16
  17 require_once(PHP_HTTP_TOOLS_INCLUDE_PATH . 'php_http_client_generic.php');
  18
  19 /**
  20 * An HTTP Proxy class
  21 *
  22 * @package php-http-tools
  23 * @author John Heinstein <johnkarl@nbnet.nb.ca>
  24 */
  25 class php_http_proxy extends php_http_client_generic {
  26
  27         /**
  28         * HTTP Proxy constructor
  29         * @param string The client connection host name, with or without its protocol prefix
  30         * @param string The client connection path, not including the host name
  31         * @param int The port to establish the client connection on
  32         * @param int The timeout value for the client connection
  33         */
  34         function php_http_proxy($host, $path = '/', $port = 80, $timeout = 0) {
  35                 $this->php_http_client_generic($host, $path, $port, $timeout);
  36                 $this->setHeaders();
  37         } //php_http_proxy
  38
  39         /**
  40         * Sets the proxy timeout to the specified value
  41         * @param int The timeout value for the client connection
  42         */
  43         function setTimeout($timeout) {
  44                 $this->timeout = $timeout;
  45         } //setTimeout
  46
  47         /**
  48         * Sets the proxy headers
  49         */
  50         function setHeaders() {
  51                 $this->setHeader('User-Agent', 'PHP-HTTP-Proxy-Client/0.1');
  52                 $this->setHeader('Connection', 'Close');
  53         } //setHeaders
  54
  55         /**
  56         * Specifies a user name and password for basic proxy authentication
  57         * @param string The user name for proxy authentication
  58         * @param string The password for proxy authentication
  59         */
  60         function setProxyAuthorization($user, $password) {
  61                 $encodedChallengeResponse = 'Basic ' . base64_encode($this->user . ':' . $this->password);
  62                 $this->setHeader('Proxy-Authorization', $encodedChallengeResponse);
  63         } //setProxyAuthorization
  64
  65         /**
  66         * Handler for customizing the HTTP GET call
  67         * @param string The target url
  68         */
  69         function get_custom($filename) {
  70                 $url = $this->connection->formatHost($filename);
  71                 $sep = strpos($url, '/');
  72                 $targetHost = substr($url, 0, $sep);
  73
  74                 $this->setHeader('Host', $targetHost);
  75         } //get_custom
  76 } //php_http_proxy
  77
  78 ?>