includes/http.php
author Dan
Fri, 21 Aug 2009 15:37:43 -0400
changeset 1093 be48c0a49c7d
parent 1086 6a59951b70e4
child 1113 000791abdc7e
permissions -rw-r--r--
Wiki engine: optimization for empty-text case
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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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745200a9cc2a Fixed some upgrade bugs; added support for choosing one's own date/time formats; rebrand as 1.1.7
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 * Copyright (C) 2006-2009 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-]+)|\[[a-f0-9:]+\])$/', $host) )
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      throw new Exception(__CLASS__ . ': Invalid hostname');
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    // Yes - this really does support IPv6 URLs!
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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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      throw new Exception(__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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      throw new Exception(__CLASS__ . ': Invalid request method');
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    $newline = "\r\n";
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    $php_ver = PHP_VERSION;
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    $server = ( isset($_SERVER['SERVER_SOFTWARE']) ) ? "Server: {$_SERVER['SERVER_SOFTWARE']}" : "CLI";
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    $this->add_header('User-Agent', "PHP/$php_ver ({$server}; automated bot request)");
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  }
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  /**
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   * Sets one or more cookies to be sent to the server.
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   * @param string or array If a string, the cookie name. If an array, associative array in the form of cookiename => cookievalue
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   * @param string or bool If a string, the cookie value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_cookie($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] = $cookievalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   * Sets one or more request header values.
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   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_header($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] = $value;
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      }
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    }
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    else if ( is_string($headername) && is_string($headervalue) )
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    {
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      $this->headers[$headername] = $headervalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   * Adds one or more values to be passed on GET.
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   * @param string or array If a string, the parameter name. If an array, associative array in the form of parametername => parametervalue
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   * @param string or bool If a string, the parameter value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_get($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] = $value;
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      }
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    }
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    else if ( is_string($getname) && is_string($getvalue) )
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    {
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      $this->parms_get[$getname] = $getvalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   * Adds one or more values to be passed on POST.
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   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_post($postname, $postvalue = false)
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  {
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    if ( is_array($postname) && !$postvalue )
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    {
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      foreach ( $postname as $name => $value )
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      {
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        $this->parms_post[$name] = $value;
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      }
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    }
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    else if ( is_string($postname) && is_string($postvalue) )
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    {
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      $this->parms_post[$postname] = $postvalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   322
   * Internal function to open up the socket.
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Dan
parents:
diff changeset
   323
   * @access private
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Dan
parents:
diff changeset
   324
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   325
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   326
  function _sock_open(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   327
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   328
    // Open connection
1034
15fa1b4e730a Fixed onload_hooks[] being initted to null after runOnloadHooks() called (should now be initted to an array)
Dan
parents: 952
diff changeset
   329
    $connection = fsockopen($this->host, $this->port, $errno, $errstr);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   330
    if ( !$connection )
1034
15fa1b4e730a Fixed onload_hooks[] being initted to null after runOnloadHooks() called (should now be initted to an array)
Dan
parents: 952
diff changeset
   331
      throw new Exception(__METHOD__ . ": Could not make connection"); // to {$this->host}:{$this->port}: error $errno: $errstr");
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   332
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   333
    // 1 = socket open
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Dan
parents:
diff changeset
   334
    $this->state = 1;
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
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   338
   * 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
   339
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   340
   */
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
  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
   343
  {
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Dan
parents:
diff changeset
   344
    $newline = "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   345
    
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   346
    if ( $this->debug )
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   347
      echo '<p>Connection opened. Writing main request to socket. Raw socket data follows.</p><pre>';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   348
    
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   349
    if ( $this->debug )
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   350
    {
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   351
      echo '<hr /><div style="white-space: nowrap;">';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   352
      echo '<p><b>' . __CLASS__ . ': Sending request</b></p><p>Request parameters:</p>';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   353
      echo "<p><b>Headers:</b></p><pre>$headers</pre>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   354
      echo "<p><b>Cookies:</b> $cookies</p>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   355
      echo "<p><b>GET URI:</b> " . htmlspecialchars($this->uri . $get) . "</p>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   356
      echo "<p><b>POST DATA:</b> " . htmlspecialchars($post) . "</p>";
354
979d99a0b00e A few more installer tweaks / fixes. Initted upgrade script. Added migration schema from 1.0 to 1.1.
Dan
parents: 349
diff changeset
   357
      echo "<pre>";
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   358
    }
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   359
    
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   360
    $portline = ( $this->port == 80 ) ? '' : ":$this->port";
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   361
    
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   362
    $this->_fputs($connection, "{$this->method} {$this->uri}{$get} HTTP/1.1{$newline}");
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   363
    $this->_fputs($connection, "Host: {$this->host}$portline{$newline}");
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   364
    $this->_fputs($connection, $headers);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   365
    $this->_fputs($connection, $cookies);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   366
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   367
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   368
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   369
      // POST-specific parameters
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   370
      $post_length = strlen($post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   371
      $this->_fputs($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
   372
      $this->_fputs($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
   373
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   374
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   375
    $this->_fputs($connection, "Connection: close{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   376
    $this->_fputs($connection, "{$newline}");
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
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   379
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   380
      $this->_fputs($connection, $post);
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
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   383
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   384
      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
   385
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   386
    // 2 = request written
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   387
    $this->state = 2;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   388
  }
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
   * 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
   392
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   393
   */
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
  function sock_close(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   396
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   397
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   398
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   399
      echo '<p>Response fetched. Closing connection. Response text follows.</p><pre>';
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   400
      echo htmlspecialchars($this->response);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   401
      echo '</pre></div><hr />';
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
    fclose($connection);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   405
  }
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
   * 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
   409
   * @access string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   410
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   411
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   412
  function _parse_response_code($buffer)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   413
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   414
    // Retrieve response code and status
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   415
    $pos_newline = strpos($buffer, "\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   416
    $pos_carriage_return = strpos($buffer, "\r");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   417
    $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
   418
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   419
    // 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
   420
    // 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
   421
    $response_code = substr($buffer, 9, 3);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   422
    $response_string = substr($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
   423
    $this->response_code = intval($response_code);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   424
    $this->response_string = $response_string;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   425
  }
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
   * 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
   429
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   430
   */
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
  function _send_request()
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
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   435
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   436
    if ( $this->state < 1 )
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
      $this->_sock_open($this->socket);
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
      $this->_write_request($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
   443
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   444
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   445
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   446
      $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
   447
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   448
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   449
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   450
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   451
    if ( $this->state == 3 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   452
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   453
      // Determine transfer encoding
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   454
      $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
   455
      
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   456
      $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   457
      while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   458
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   459
        $part = fgets($this->socket, 1024);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   460
        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
   461
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   462
          $chunklen = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   463
          $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
   464
          // 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
   465
          $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
   466
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   467
        $buffer .= $part;
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->response .= $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   470
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   471
    $this->state = 4;
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
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   474
    $this->socket = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   475
  }
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
   * 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
   479
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   480
   */
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
  function _send_request_headers_only()
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
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   485
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   486
    if ( $this->state < 1 )
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
      $this->_sock_open($this->socket);
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
      $this->_write_request($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
   493
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   494
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   495
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   496
      $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
   497
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   498
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   499
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   500
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   501
  }
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
   * 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
   505
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   506
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   507
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   508
  function _read_until_newlines($sock)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   509
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   510
    $prev_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   511
    $prev1_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   512
    $prev2_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   513
    $buf = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   514
    while ( !feof($sock) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   515
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   516
      $chr = fread($sock, 1);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   517
      $buf .= $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   518
      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
   519
           ( $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
   520
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   521
        return $buf;
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
      $prev2_char = $prev1_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   524
      $prev1_char = $prev_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   525
      $prev_char = $chr;
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
    return $buf;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   528
  }
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
   * 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
   532
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   533
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   534
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   535
  function get_response()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   536
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   537
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   538
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   539
    $this->_send_request();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   540
    return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   541
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   542
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   543
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   544
   * 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
   545
   * @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
   546
   * @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
   547
   * @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
   548
   * @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
   549
   */
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
  function write_response_to_file($file, $chunklen = 768, $max_file_size = 0)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   552
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   553
    if ( !is_writeable( dirname($file) ) || !file_exists( dirname($file) ) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   554
    {
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
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   557
    $handle = @fopen($file, 'w');
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   558
    if ( !$handle )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   559
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   560
    $chunklen = intval($chunklen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   561
    if ( $chunklen < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   562
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   563
    if ( $this->state == 4 )
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
      // 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
   566
      $response = $this->get_response_body();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   567
      fwrite($handle, $response);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   568
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   569
    else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   570
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   571
      // 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
   572
      $headers = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   573
      $transferred_bytes = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   574
      $bandwidth_exceeded = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   575
      // 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
   576
      $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
   577
      if ( $is_chunked )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   578
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   579
        $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   580
        while ( !feof($this->socket) )
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
          $part = fgets($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   583
          // 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
   584
          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
   585
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   586
            $chunk_length = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   587
            $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
   588
            // 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
   589
            $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
   590
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   591
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   592
          $transferred_bytes += strlen($part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   593
          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
   594
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   595
            // 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
   596
            $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
   597
            $part = substr($part, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   598
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   599
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   600
          fwrite($handle, $part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   601
          if ( $bandwidth_exceeded )
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
            break;
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
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   606
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   607
      else
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
        $first_chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   610
        fwrite($handle, $first_chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   611
        while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   612
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   613
          $chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   614
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   615
          $transferred_bytes += strlen($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   616
          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
   617
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   618
            // 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
   619
            $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
   620
            $chunk = substr($chunk, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   621
            $bandwidth_exceeded = true;
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
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   624
          fwrite($handle, $chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   625
          unset($chunk);
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
          if ( $bandwidth_exceeded )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   628
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   629
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   630
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   631
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   632
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   633
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   634
    fclose($handle);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   635
    // 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
   636
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   637
    $this->state = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   638
    return ($bandwidth_exceeded) ? false : true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   639
  }
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
   * Returns only the response headers.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   643
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   644
   */
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
  function get_response_headers()
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
    if ( $this->state == 3 )
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
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   651
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   652
    else if ( $this->state == 4 )
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
      $pos_end = strpos($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
   655
      $data = substr($this->response, 0, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   656
      return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   657
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   658
    else
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
      $this->_send_request_headers_only();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   661
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   662
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   663
  }
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
   * 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
   667
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   668
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   669
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   670
  function get_response_headers_array()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   671
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   672
    $data = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   673
    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
   674
    $headers = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   675
    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
   676
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   677
      $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
   678
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   679
    return $headers;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   680
  }
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
   * 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
   684
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   685
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   686
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   687
  function get_response_body()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   688
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   689
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   690
    $pos_start = strpos($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
   691
    $data = substr($data, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   692
    return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   693
  }
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
   * 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
   697
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   698
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   699
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   700
  function get_cookies()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   701
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   702
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   703
    $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
   704
    $pos = strpos($data, "\n\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   705
    $headers = substr($data, 0, $pos);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   706
    preg_match_all("/Set-Cookie: ([a-z0-9_]+)=([^;]+);( expires=([^;]+);)?( path=(.*?))?\n/", $headers, $cookiematch);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   707
    if ( count($cookiematch[0]) < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   708
      return array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   709
    $cookies = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   710
    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
   711
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   712
      $cookies[$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
   713
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   714
    return $cookies;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   715
  }
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
   * 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
   719
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   720
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   721
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   722
  function _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
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   725
      echo htmlspecialchars($data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   726
    return fputs($socket, $data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   727
  }
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
   * 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
   731
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   732
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   733
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   734
  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
   735
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   736
    $headers = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   737
    $cookies = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   738
    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
   739
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   740
      $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
   741
      $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
   742
      $headers .= "$name: $value\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   743
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   744
    unset($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   745
    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
   746
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   747
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   748
      $cookie_header = 'Cookie: ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   749
      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
   750
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   751
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   752
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   753
          $cookie_header .= '; ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   754
        $value = str_replace(';', rawurlencode(';'), $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   755
        $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
   756
        $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
   757
        $cookie_header .= "$name=$value";
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
      $cookie_header .= "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   760
      $cookies = $cookie_header;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   761
      unset($value, $cookie_header);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   762
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   763
    if ( count($this->parms_get) > 0 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   764
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   765
      $get = '?';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   766
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   767
      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
   768
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   769
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   770
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   771
          $get .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   772
        $value = urlencode($value);
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   773
        if ( !empty($value) || is_string($value) )
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   774
          $get .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   775
        else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   776
          $get .= "$name";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   777
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   778
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   779
    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
   780
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   781
      $post = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   782
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   783
      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
   784
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   785
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   786
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   787
          $post .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   788
        $value = urlencode($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   789
        $post .= "$name=$value";
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
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   793
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   794
}
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   795
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   796
?>