includes/http.php
author Dan
Thu, 27 Dec 2007 23:32:11 -0500
changeset 336 bfa2e9c23f03
parent 328 dc838fd61a06
child 349 fdaf9070566c
permissions -rw-r--r--
Added ability to require CAPTCHA for guests when editing pages (AJAX INTERFACE ONLY)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Version 1.0.3 (Dyrad)
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 * Copyright (C) 2006-2007 Dan Fuhry
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 * class_http.php - Pure PHP HTTP client library
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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//
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// HTTP status codes
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//
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// Informational
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define('HTTP_CONTINUE', 100);
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define('HTTP_SWITCHING_PROTOCOLS', 101);
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define('HTTP_PROCESSING', 102);
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// Success
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define('HTTP_OK', 200);
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define('HTTP_CREATED', 201);
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define('HTTP_ACCEPTED', 202);
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define('HTTP_NON_AUTHORITATIVE', 203);
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define('HTTP_NO_CONTENT', 204);
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define('HTTP_RESET_CONTENT', 205);
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define('HTTP_PARTIAL_CONTENT', 206);
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define('HTTP_MULTI_STATUS', 207);
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// Redirection
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define('HTTP_MULTIPLE_CHOICES', 300);
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define('HTTP_MOVED_PERMANENTLY', 301);
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define('HTTP_FOUND', 302);
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define('HTTP_SEE_OTHER', 303);
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define('HTTP_NOT_MODIFIED', 304);
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define('HTTP_USE_PROXY', 305);
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define('HTTP_SWITCH_PROXY', 306);
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define('HTTP_TEMPORARY_REDIRECT', 307);
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// Client Error
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define('HTTP_BAD_REQUEST', 400);
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define('HTTP_UNAUTHORIZED', 401);
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define('HTTP_PAYMENT_REQUIRED', 402);
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define('HTTP_FORBIDDEN', 403);
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define('HTTP_NOT_FOUND', 404);
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define('HTTP_METHOD_NOT_ALLOWED', 405);
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define('HTTP_NOT_ACCEPTABLE', 406);
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define('HTTP_PROXY_AUTHENTICATION_REQUIRED', 407);
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define('HTTP_REQUEST_TIMEOUT', 408);
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define('HTTP_CONFLICT', 409);
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define('HTTP_GONE', 410);
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define('HTTP_LENGTH_REQUIRED', 411);
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define('HTTP_PRECONDITION_FAILED', 412);
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define('HTTP_REQUEST_ENTITY_TOO_LARGE', 413);
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define('HTTP_REQUEST_URI_TOO_LONG', 414);
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define('HTTP_UNSUPPORTED_MEDIA_TYPE', 415);
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define('HTTP_REQUESTED_RANGE_NOT_SATISFIABLE', 416);
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define('HTTP_EXPECTATION_FAILED', 417);
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define('HTTP_UNPROCESSABLE_ENTITY', 422);
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define('HTTP_LOCKED', 423);
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define('HTTP_FAILED_DEPENDENCY', 424);
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define('HTTP_UNORDERED_COLLECTION', 425);
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define('HTTP_UPGRADE_REQUIRED', 426);
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define('HTTP_RETRY_WITH', 449);
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// Server error
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define('HTTP_INTERNAL_SERVER_ERROR', 500);
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define('HTTP_NOT_IMPLEMENTED', 501);
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define('HTTP_BAD_GATEWAY', 502);
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define('HTTP_SERVICE_TEMPORARILY_UNAVAILABLE', 503);
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define('HTTP_GATEWAY_TIMEOUT', 504);
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define('HTTP_HTTP_VERSION_NOT_SUPPORTED', 505);
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define('HTTP_VARIANT_ALSO_NEGOTIATES', 506);
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define('HTTP_INSUFFICIENT_STORAGE', 507);
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define('HTTP_BANDWIDTH_LIMIT_EXCEEDED', 509);
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define('HTTP_NOT_EXTENDED', 510);
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/**
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 * Class for making HTTP requests. This can do GET and POST, and when used properly it consumes under a meg of memory, even with huge files.
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 * @package Enano
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 * @subpackage Backend functions
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 * @copyright 2007 Dan Fuhry
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 */
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class Request_HTTP
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{
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  /**
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   * Switch to enable or disable debugging. You want this off on production sites.
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   * @var bool
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   */
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  var $debug = false;
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  /**
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   * The host the request will be sent to.
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   * @var string
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   */
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  var $host = '';
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  /**
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   * The TCP port our connection is (will be) on.
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   * @var int
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   */
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  var $port = 80;
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  /**
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   * The request method. Can be GET or POST, defaults to GET.
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   * @var string
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   */
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  var $method = 'GET';
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  /**
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   * The URI to the remote script.
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   * @var string
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   */
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  var $uri = '';
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  /**
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   * The parameters to be sent on GET.
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   * @var array (associative)
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   */
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  var $parms_get = array();
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  /**
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   * The parameters to be sent on POST. Ignored if $this->method == GET.
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   * @var array (associative)
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   */
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  var $parms_post = array();
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  /**
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   * The list of cookies that will be sent.
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   * @var array (associative)
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   */
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  var $cookies_out = array();
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  /**
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   * Additional request headers.
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   * @var array (associative)
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   */
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  var $headers = array();
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  /**
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   * Cached response.
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   * @var string, or bool:false if the request hasn't been sent yet
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   */
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  var $response = false;
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  /**
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   * Cached response code
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   * @var int set to -1 if request hasn't been sent yet
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   */
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  var $response_code = -1;
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  /**
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   * Cached response code string
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   * @var string or bool:false if the request hasn't been sent yet
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   */
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  var $response_string = false;
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  /**
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   * Resource for the socket. False if a connection currently isn't going.
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   * @var resource
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   */
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  var $socket = false;
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  /**
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   * The state of our request. 0 means it hasn't been made yet. 1 means the socket is open, 2 means the socket is open and the request has been written, 3 means the headers have been fetched, and 4 means the request is completed.
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   * @var int
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   */
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  var $state = 0;
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  /**
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   * Constructor.
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   * @param string Hostname to send to
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   * @param string URI (/index.php)
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   * @param string Request method - GET or POST.
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   * @param int Optional. The port to open the request on. Defaults to 80.
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   */
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  function Request_HTTP($host, $uri, $method = 'GET', $port = 80)
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  {
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    if ( !preg_match('/^(([a-z0-9-]+\.)*?)([a-z0-9-]+)$/', $host) )
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      die(__CLASS__ . ': Invalid hostname');
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    $this->host = $host;
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    $this->uri = $uri;
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    if ( is_int($port) && $port >= 1 && $port <= 65535 )
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      $this->port = $port;
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    else
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      die(__CLASS__ . ': Invalid port');
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    $method = strtoupper($method);
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    if ( $method == 'GET' || $method == 'POST' )
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      $this->method = $method;
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    else
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      die(__CLASS__ . ': Invalid request method');
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    $newline = "\r\n";
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    $php_ver = PHP_VERSION;
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    $this->add_header('User-Agent', "PHP/$php_ver (Server: {$_SERVER['SERVER_SOFTWARE']}; automated bot request)");
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  }
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  /**
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   * Sets one or more cookies to be sent to the server.
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   * @param string or array If a string, the cookie name. If an array, associative array in the form of cookiename => cookievalue
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   * @param string or bool If a string, the cookie value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_cookie($cookiename, $cookievalue = false)
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  {
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    if ( is_array($cookiename) && !$cookievalue )
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    {
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      foreach ( $cookiename as $name => $value )
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      {
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        $this->cookies_out[$name] = $value;
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      }
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    }
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    else if ( is_string($cookiename) && is_string($cookievalue) )
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    {
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      $this->cookies_out[$cookiename] = $cookievalue;
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    }
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    else
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    {
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      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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    }
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  }
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   244
  
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  /**
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   * Sets one or more request header values.
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   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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   250
  
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  function add_header($headername, $headervalue = false)
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  {
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    if ( is_array($headername) && !$headervalue )
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    {
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      foreach ( $headername as $name => $value )
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      {
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        $this->headers[$name] = $value;
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   258
      }
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   259
    }
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    else if ( is_string($headername) && is_string($headervalue) )
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    {
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      $this->headers[$headername] = $headervalue;
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   263
    }
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   264
    else
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    {
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      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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   267
    }
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   268
  }
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   269
  
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  /**
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   * Adds one or more values to be passed on GET.
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   * @param string or array If a string, the parameter name. If an array, associative array in the form of parametername => parametervalue
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   * @param string or bool If a string, the parameter value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_get($getname, $getvalue = false)
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  {
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    if ( is_array($getname) && !$getvalue )
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    {
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      foreach ( $getname as $name => $value )
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      {
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        $this->parms_get[$name] = $value;
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   283
      }
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   284
    }
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    else if ( is_string($getname) && is_string($getvalue) )
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    {
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      $this->parms_get[$getname] = $getvalue;
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   288
    }
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   289
    else
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    {
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   291
      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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   292
    }
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   293
  }
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   294
  
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   295
  /**
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   296
   * Adds one or more values to be passed on POST.
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   297
   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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   300
  
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   301
  function add_post($postname, $postvalue = false)
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  {
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   303
    if ( is_array($postname) && !$postvalue )
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   304
    {
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   305
      foreach ( $postname as $name => $value )
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   306
      {
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        $this->parms_post[$name] = $value;
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   308
      }
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   309
    }
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   310
    else if ( is_string($postname) && is_string($postvalue) )
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   311
    {
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   312
      $this->parms_post[$postname] = $postvalue;
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   313
    }
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   314
    else
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   315
    {
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   316
      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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   317
    }
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   318
  }
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   319
  
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   320
  /**
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   321
   * Internal function to open up the socket.
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   322
   * @access private
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   323
   */
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diff changeset
   324
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   325
  function _sock_open(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   326
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   327
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   328
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   329
      echo '<hr /><div style="white-space: nowrap;">';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   330
      echo '<p><b>' . __CLASS__ . ': Sending request</b></p><p>Request parameters:</p>';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   331
      echo "<p><b>Headers:</b></p><pre>$headers</pre>";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   332
      echo "<p><b>Cookies:</b> $cookies</p>";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   333
      echo "<p><b>GET URI:</b> " . htmlspecialchars($get) . "</p>";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   334
      echo "<p><b>POST DATA:</b> " . htmlspecialchars($post) . "</p>";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   335
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   336
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   337
    // Open connection
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   338
    $connection = fsockopen($this->host, $this->port);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   339
    if ( !$connection )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   340
      die(__CLASS__ . '::' . __METHOD__ . ': Could not make connection');
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   341
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   342
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   343
      echo '<p>Connection opened. Writing main request to socket. Raw socket data follows.</p><pre>';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   344
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   345
    // 1 = socket open
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   346
    $this->state = 1;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   347
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   348
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   349
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   350
   * Internal function to actually write the request into the socket.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   351
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   352
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   353
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   354
  function _write_request(&$connection, &$headers, &$cookies, &$get, &$post)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   355
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   356
    $newline = "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   357
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   358
    $this->_fputs($connection, "{$this->method} {$this->uri}{$get} HTTP/1.1{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   359
    $this->_fputs($connection, "Host: {$this->host}{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   360
    $this->_fputs($connection, $headers);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   361
    $this->_fputs($connection, $cookies);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   362
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   363
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   364
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   365
      // POST-specific parameters
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   366
      $post_length = strlen($post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   367
      $this->_fputs($connection, "Content-type: application/x-www-form-urlencoded{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   368
      $this->_fputs($connection, "Content-length: {$post_length}{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   369
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   370
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   371
    $this->_fputs($connection, "Connection: close{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   372
    $this->_fputs($connection, "{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   373
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   374
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   375
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   376
      $this->_fputs($connection, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   377
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   378
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   379
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   380
      echo '</pre><p>Request written. Fetching response.</p>';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   381
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   382
    // 2 = request written
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   383
    $this->state = 2;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   384
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   385
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   386
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   387
   * Wrap up and close the socket. Nothing more than a call to fsockclose() except in debug mode.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   388
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   389
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   390
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   391
  function sock_close(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   392
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   393
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   394
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   395
      echo '<p>Response fetched. Closing connection. Response text follows.</p><pre>';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   396
      echo htmlspecialchars($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   397
      echo '</pre></div><hr />';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   398
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   399
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   400
    fclose($connection);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   401
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   402
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   403
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   404
   * Internal function to grab the response code and status string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   405
   * @access string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   406
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   407
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   408
  function _parse_response_code($buffer)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   409
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   410
    // Retrieve response code and status
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   411
    $pos_newline = strpos($buffer, "\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   412
    $pos_carriage_return = strpos($buffer, "\r");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   413
    $pos_end_first_line = ( $pos_carriage_return < $pos_newline && $pos_carriage_return > 0 ) ? $pos_carriage_return : $pos_newline;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   414
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   415
    // First line is in format of:
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   416
    // HTTP/1.1 ### Blah blah blah(\r?)\n
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   417
    $response_code = substr($buffer, 9, 3);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   418
    $response_string = substr($buffer, 13, ( $pos_end_first_line - 13 ) );
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   419
    $this->response_code = intval($response_code);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   420
    $this->response_string = $response_string;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   421
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   422
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   423
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   424
   * Internal function to send the request.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   425
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   426
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   427
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   428
  function _send_request()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   429
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   430
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   431
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   432
    if ( $this->state < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   433
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   434
      $this->_sock_open($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   435
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   436
    if ( $this->state < 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   437
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   438
      $this->_write_request($this->socket, $headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   439
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   440
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   441
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   442
      $buffer = $this->_read_until_newlines($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   443
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   444
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   445
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   446
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   447
    if ( $this->state == 3 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   448
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   449
      // Determine transfer encoding
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   450
      $is_chunked = preg_match("/Transfer-Encoding: (chunked)\r?\n/", $this->response);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   451
      
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   452
      $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   453
      while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   454
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   455
        $part = fgets($this->socket, 1024);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   456
        if ( $is_chunked && preg_match("/^([a-f0-9]+)\x0D\x0A$/", $part, $match) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   457
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   458
          $chunklen = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   459
          $part = ( $chunklen > 0 ) ? fread($this->socket, $chunklen) : '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   460
          // remove the last newline from $part
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   461
          $part = preg_replace("/\r?\n\$/m", "", $part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   462
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   463
        $buffer .= $part;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   464
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   465
      $this->response .= $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   466
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   467
    $this->state = 4;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   468
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   469
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   470
    $this->socket = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   471
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   472
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   473
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   474
   * Internal function to send the request but only fetch the headers. Leaves a connection open for a finish-up function.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   475
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   476
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   477
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   478
  function _send_request_headers_only()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   479
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   480
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   481
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   482
    if ( $this->state < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   483
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   484
      $this->_sock_open($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   485
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   486
    if ( $this->state < 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   487
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   488
      $this->_write_request($this->socket, $headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   489
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   490
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   491
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   492
      $buffer = $this->_read_until_newlines($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   493
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   494
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   495
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   496
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   497
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   498
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   499
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   500
   * Internal function to read from a socket until two consecutive newlines are hit.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   501
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   502
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   503
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   504
  function _read_until_newlines($sock)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   505
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   506
    $prev_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   507
    $prev1_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   508
    $prev2_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   509
    $buf = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   510
    while ( !feof($sock) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   511
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   512
      $chr = fread($sock, 1);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   513
      $buf .= $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   514
      if ( ( $chr == "\n" && $prev_char == "\n" ) ||
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   515
           ( $chr == "\n" && $prev_char == "\r" && $prev1_char == "\n" && $prev2_char == "\r" ) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   516
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   517
        return $buf;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   518
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   519
      $prev2_char = $prev1_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   520
      $prev1_char = $prev_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   521
      $prev_char = $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   522
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   523
    return $buf;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   524
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   525
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   526
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   527
   * Returns the response text. If the request hasn't been sent, it will be sent here.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   528
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   529
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   530
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   531
  function get_response()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   532
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   533
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   534
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   535
    $this->_send_request();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   536
    return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   537
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   538
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   539
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   540
   * Writes the response body to a file. This is good for conserving memory when downloading large files. If the file already exists it will be overwritten.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   541
   * @param string File to write to
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   542
   * @param int Chunk size in KB to read from the socket. Optional and should only be needed in circumstances when extreme memory conservation is needed. Defaults to 768.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   543
   * @param int Maximum file size. Defaults to 0, which means no limit.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   544
   * @return bool True on success, false on failure
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   545
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   546
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   547
  function write_response_to_file($file, $chunklen = 768, $max_file_size = 0)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   548
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   549
    if ( !is_writeable( dirname($file) ) || !file_exists( dirname($file) ) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   550
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   551
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   552
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   553
    $handle = @fopen($file, 'w');
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   554
    if ( !$handle )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   555
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   556
    $chunklen = intval($chunklen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   557
    if ( $chunklen < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   558
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   559
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   560
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   561
      // we already have the response, so cheat
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   562
      $response = $this->get_response_body();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   563
      fwrite($handle, $response);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   564
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   565
    else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   566
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   567
      // read data from the socket, write it immediately, and unset to free memory
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   568
      $headers = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   569
      $transferred_bytes = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   570
      $bandwidth_exceeded = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   571
      // if transfer-encoding is chunked, read using chunk sizes the server specifies
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   572
      $is_chunked = preg_match("/Transfer-Encoding: (chunked)\r?\n/", $this->response);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   573
      if ( $is_chunked )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   574
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   575
        $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   576
        while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   577
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   578
          $part = fgets($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   579
          // Theoretically if the encoding is really chunked then this should always match.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   580
          if ( $is_chunked && preg_match("/^([a-f0-9]+)\x0D\x0A$/", $part, $match) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   581
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   582
            $chunk_length = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   583
            $part = ( $chunk_length > 0 ) ? fread($this->socket, $chunk_length) : '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   584
            // remove the last newline from $part
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   585
            $part = preg_replace("/\r?\n\$/m", "", $part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   586
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   587
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   588
          $transferred_bytes += strlen($part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   589
          if ( $max_file_size && $transferred_bytes > $max_file_size )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   590
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   591
            // truncate output to $max_file_size bytes
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   592
            $partlen = $max_file_size - ( $transferred_bytes - strlen($part) );
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   593
            $part = substr($part, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   594
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   595
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   596
          fwrite($handle, $part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   597
          if ( $bandwidth_exceeded )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   598
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   599
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   600
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   601
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   602
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   603
      else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   604
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   605
        $first_chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   606
        fwrite($handle, $first_chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   607
        while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   608
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   609
          $chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   610
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   611
          $transferred_bytes += strlen($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   612
          if ( $max_file_size && $transferred_bytes > $max_file_size )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   613
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   614
            // truncate output to $max_file_size bytes
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   615
            $partlen = $max_file_size - ( $transferred_bytes - strlen($chunk) );
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   616
            $chunk = substr($chunk, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   617
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   618
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   619
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   620
          fwrite($handle, $chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   621
          unset($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   622
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   623
          if ( $bandwidth_exceeded )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   624
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   625
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   626
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   627
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   628
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   629
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   630
    fclose($handle);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   631
    // close socket and reset state, since we haven't cached the response
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   632
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   633
    $this->state = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   634
    return ($bandwidth_exceeded) ? false : true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   635
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   636
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   637
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   638
   * Returns only the response headers.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   639
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   640
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   641
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   642
  function get_response_headers()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   643
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   644
    if ( $this->state == 3 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   645
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   646
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   647
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   648
    else if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   649
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   650
      $pos_end = strpos($this->response, "\r\n\r\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   651
      $data = substr($this->response, 0, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   652
      return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   653
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   654
    else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   655
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   656
      $this->_send_request_headers_only();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   657
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   658
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   659
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   660
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   661
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   662
   * Returns only the response headers, as an associative array.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   663
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   664
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   665
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   666
  function get_response_headers_array()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   667
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   668
    $data = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   669
    preg_match_all("/(^|\n)([A-z0-9_-]+?): (.+?)(\r|\n|\$)/", $data, $matches);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   670
    $headers = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   671
    for ( $i = 0; $i < count($matches[0]); $i++ )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   672
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   673
      $headers[ $matches[2][$i] ] = $matches[3][$i];
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   674
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   675
    return $headers;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   676
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   677
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   678
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   679
   * Returns only the body (not the headers) of the response. If the request hasn't been sent, it will be sent here.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   680
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   681
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   682
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   683
  function get_response_body()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   684
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   685
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   686
    $pos_start = strpos($data, "\r\n\r\n") + 4;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   687
    $data = substr($data, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   688
    return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   689
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   690
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   691
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   692
   * Returns all cookies requested to be set by the server as an associative array. If the request hasn't been sent, it will be sent here.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   693
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   694
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   695
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   696
  function get_cookies()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   697
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   698
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   699
    $data = str_replace("\r\n", "\n", $data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   700
    $pos = strpos($data, "\n\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   701
    $headers = substr($data, 0, $pos);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   702
    preg_match_all("/Set-Cookie: ([a-z0-9_]+)=([^;]+);( expires=([^;]+);)?( path=(.*?))?\n/", $headers, $cookiematch);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   703
    if ( count($cookiematch[0]) < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   704
      return array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   705
    $cookies = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   706
    foreach ( $cookiematch[0] as $i => $cookie )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   707
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   708
      $cookies[$cookiematch[1][$i]] = $cookiematch[2][$i];
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   709
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   710
    return $cookies;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   711
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   712
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   713
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   714
   * Internal method to write data to a socket with debugging possibility.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   715
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   716
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   717
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   718
  function _fputs($socket, $data)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   719
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   720
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   721
      echo htmlspecialchars($data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   722
    return fputs($socket, $data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   723
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   724
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   725
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   726
   * Internal function to stringify cookies, headers, get, and post.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   727
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   728
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   729
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   730
  function concat_headers(&$headers, &$cookies, &$get, &$post)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   731
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   732
    $headers = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   733
    $cookies = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   734
    foreach ( $this->headers as $name => $value )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   735
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   736
      $value = str_replace('\\n', '\\\\n', $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   737
      $value = str_replace("\n", '\\n', $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   738
      $headers .= "$name: $value\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   739
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   740
    unset($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   741
    if ( count($this->cookies_out) > 0 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   742
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   743
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   744
      $cookie_header = 'Cookie: ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   745
      foreach ( $this->cookies_out as $name => $value )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   746
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   747
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   748
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   749
          $cookie_header .= '; ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   750
        $value = str_replace(';', rawurlencode(';'), $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   751
        $value = str_replace('\\n', '\\\\n', $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   752
        $value = str_replace("\n", '\\n', $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   753
        $cookie_header .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   754
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   755
      $cookie_header .= "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   756
      $cookies = $cookie_header;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   757
      unset($value, $cookie_header);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   758
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   759
    if ( count($this->parms_get) > 0 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   760
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   761
      $get = '?';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   762
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   763
      foreach ( $this->parms_get as $name => $value )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   764
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   765
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   766
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   767
          $get .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   768
        $value = urlencode($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   769
        if ( !empty($value) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   770
          $get .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   771
        else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   772
          $get .= "$name";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   773
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   774
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   775
    if ( count($this->parms_post) > 0 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   776
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   777
      $post = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   778
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   779
      foreach ( $this->parms_post as $name => $value )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   780
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   781
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   782
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   783
          $post .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   784
        $value = urlencode($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   785
        $post .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   786
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   787
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   788
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   789
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   790
}
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   791
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   792
?>