includes/http.php
author Dan
Thu, 03 Jul 2008 15:37:18 -0400
changeset 596 82320949a3b5
parent 536 218a627eb53e
child 685 17ebe24cdf85
permissions -rw-r--r--
Added failsafe .htaccess files to enable far future Expires and mod_deflate
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Version 1.1.4 (Caoineag alpha 4)
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 * Copyright (C) 2006-2008 Dan Fuhry
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 * class_http.php - Pure PHP HTTP client library
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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//
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// HTTP status codes
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//
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// Informational
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define('HTTP_CONTINUE', 100);
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define('HTTP_SWITCHING_PROTOCOLS', 101);
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define('HTTP_PROCESSING', 102);
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// Success
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define('HTTP_OK', 200);
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define('HTTP_CREATED', 201);
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define('HTTP_ACCEPTED', 202);
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define('HTTP_NON_AUTHORITATIVE', 203);
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define('HTTP_NO_CONTENT', 204);
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define('HTTP_RESET_CONTENT', 205);
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define('HTTP_PARTIAL_CONTENT', 206);
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define('HTTP_MULTI_STATUS', 207);
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// Redirection
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define('HTTP_MULTIPLE_CHOICES', 300);
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define('HTTP_MOVED_PERMANENTLY', 301);
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define('HTTP_FOUND', 302);
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define('HTTP_SEE_OTHER', 303);
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define('HTTP_NOT_MODIFIED', 304);
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define('HTTP_USE_PROXY', 305);
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define('HTTP_SWITCH_PROXY', 306);
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define('HTTP_TEMPORARY_REDIRECT', 307);
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// Client Error
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define('HTTP_BAD_REQUEST', 400);
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define('HTTP_UNAUTHORIZED', 401);
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define('HTTP_PAYMENT_REQUIRED', 402);
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define('HTTP_FORBIDDEN', 403);
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define('HTTP_NOT_FOUND', 404);
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define('HTTP_METHOD_NOT_ALLOWED', 405);
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define('HTTP_NOT_ACCEPTABLE', 406);
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define('HTTP_PROXY_AUTHENTICATION_REQUIRED', 407);
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define('HTTP_REQUEST_TIMEOUT', 408);
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define('HTTP_CONFLICT', 409);
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define('HTTP_GONE', 410);
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define('HTTP_LENGTH_REQUIRED', 411);
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define('HTTP_PRECONDITION_FAILED', 412);
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define('HTTP_REQUEST_ENTITY_TOO_LARGE', 413);
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define('HTTP_REQUEST_URI_TOO_LONG', 414);
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define('HTTP_UNSUPPORTED_MEDIA_TYPE', 415);
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define('HTTP_REQUESTED_RANGE_NOT_SATISFIABLE', 416);
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define('HTTP_EXPECTATION_FAILED', 417);
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define('HTTP_UNPROCESSABLE_ENTITY', 422);
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define('HTTP_LOCKED', 423);
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define('HTTP_FAILED_DEPENDENCY', 424);
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define('HTTP_UNORDERED_COLLECTION', 425);
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define('HTTP_UPGRADE_REQUIRED', 426);
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define('HTTP_RETRY_WITH', 449);
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// Server error
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define('HTTP_INTERNAL_SERVER_ERROR', 500);
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define('HTTP_NOT_IMPLEMENTED', 501);
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define('HTTP_BAD_GATEWAY', 502);
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define('HTTP_SERVICE_TEMPORARILY_UNAVAILABLE', 503);
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define('HTTP_GATEWAY_TIMEOUT', 504);
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define('HTTP_HTTP_VERSION_NOT_SUPPORTED', 505);
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define('HTTP_VARIANT_ALSO_NEGOTIATES', 506);
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define('HTTP_INSUFFICIENT_STORAGE', 507);
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define('HTTP_BANDWIDTH_LIMIT_EXCEEDED', 509);
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define('HTTP_NOT_EXTENDED', 510);
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/**
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 * Class for making HTTP requests. This can do GET and POST, and when used properly it consumes under a meg of memory, even with huge files.
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 * @package Enano
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 * @subpackage Backend functions
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 * @copyright 2007 Dan Fuhry
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 */
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class Request_HTTP
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{
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  /**
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   * Switch to enable or disable debugging. You want this off on production sites.
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   * @var bool
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   */
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  var $debug = false;
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  /**
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   * The host the request will be sent to.
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   * @var string
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   */
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  var $host = '';
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  /**
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   * The TCP port our connection is (will be) on.
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   * @var int
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   */
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  var $port = 80;
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  /**
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   * The request method. Can be GET or POST, defaults to GET.
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   * @var string
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   */
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  var $method = 'GET';
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  /**
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   * The URI to the remote script.
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   * @var string
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   */
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  var $uri = '';
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  /**
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   * The parameters to be sent on GET.
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   * @var array (associative)
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   */
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  var $parms_get = array();
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  /**
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   * The parameters to be sent on POST. Ignored if $this->method == GET.
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   * @var array (associative)
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   */
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  var $parms_post = array();
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  /**
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   * The list of cookies that will be sent.
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   * @var array (associative)
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   */
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  var $cookies_out = array();
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  /**
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   * Additional request headers.
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   * @var array (associative)
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   */
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  var $headers = array();
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  /**
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   * Cached response.
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   * @var string, or bool:false if the request hasn't been sent yet
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   */
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  var $response = false;
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  /**
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   * Cached response code
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   * @var int set to -1 if request hasn't been sent yet
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   */
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  var $response_code = -1;
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  /**
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   * Cached response code string
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   * @var string or bool:false if the request hasn't been sent yet
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   */
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  var $response_string = false;
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  /**
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   * Resource for the socket. False if a connection currently isn't going.
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   * @var resource
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   */
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  var $socket = false;
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  /**
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   * The state of our request. 0 means it hasn't been made yet. 1 means the socket is open, 2 means the socket is open and the request has been written, 3 means the headers have been fetched, and 4 means the request is completed.
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   * @var int
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   */
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  var $state = 0;
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  /**
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   * Constructor.
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   * @param string Hostname to send to
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   * @param string URI (/index.php)
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   * @param string Request method - GET or POST.
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   * @param int Optional. The port to open the request on. Defaults to 80.
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   */
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  function Request_HTTP($host, $uri, $method = 'GET', $port = 80)
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  {
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    if ( !preg_match('/^(([a-z0-9-]+\.)*?)([a-z0-9-]+)$/', $host) )
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      die(__CLASS__ . ': Invalid hostname');
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    $this->host = $host;
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    $this->uri = $uri;
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    if ( is_int($port) && $port >= 1 && $port <= 65535 )
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      $this->port = $port;
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    else
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      die(__CLASS__ . ': Invalid port');
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    $method = strtoupper($method);
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    if ( $method == 'GET' || $method == 'POST' )
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      $this->method = $method;
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    else
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      die(__CLASS__ . ': Invalid request method');
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    $newline = "\r\n";
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    $php_ver = PHP_VERSION;
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    $this->add_header('User-Agent', "PHP/$php_ver (Server: {$_SERVER['SERVER_SOFTWARE']}; automated bot request)");
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  }
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  /**
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   * Sets one or more cookies to be sent to the server.
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   * @param string or array If a string, the cookie name. If an array, associative array in the form of cookiename => cookievalue
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   * @param string or bool If a string, the cookie value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_cookie($cookiename, $cookievalue = false)
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  {
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    if ( is_array($cookiename) && !$cookievalue )
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    {
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      foreach ( $cookiename as $name => $value )
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      {
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        $this->cookies_out[$name] = $value;
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      }
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    }
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    else if ( is_string($cookiename) && is_string($cookievalue) )
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    {
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      $this->cookies_out[$cookiename] = $cookievalue;
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    }
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   239
    else
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    {
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      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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   242
    }
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  }
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   244
  
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  /**
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   * Sets one or more request header values.
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   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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   250
  
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  function add_header($headername, $headervalue = false)
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  {
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    if ( is_array($headername) && !$headervalue )
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    {
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      foreach ( $headername as $name => $value )
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      {
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        $this->headers[$name] = $value;
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   258
      }
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   259
    }
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    else if ( is_string($headername) && is_string($headervalue) )
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   261
    {
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      $this->headers[$headername] = $headervalue;
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   263
    }
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   264
    else
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   265
    {
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   266
      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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   267
    }
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   268
  }
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   269
  
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  /**
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   * Adds one or more values to be passed on GET.
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   * @param string or array If a string, the parameter name. If an array, associative array in the form of parametername => parametervalue
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   * @param string or bool If a string, the parameter value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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   275
  
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  function add_get($getname, $getvalue = false)
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  {
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    if ( is_array($getname) && !$getvalue )
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    {
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      foreach ( $getname as $name => $value )
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      {
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        $this->parms_get[$name] = $value;
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   283
      }
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   284
    }
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   285
    else if ( is_string($getname) && is_string($getvalue) )
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   286
    {
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      $this->parms_get[$getname] = $getvalue;
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   288
    }
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   289
    else
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   290
    {
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   291
      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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   292
    }
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   293
  }
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   294
  
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   295
  /**
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   296
   * Adds one or more values to be passed on POST.
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   297
   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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   300
  
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   301
  function add_post($postname, $postvalue = false)
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  {
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   303
    if ( is_array($postname) && !$postvalue )
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   304
    {
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   305
      foreach ( $postname as $name => $value )
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   306
      {
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   307
        $this->parms_post[$name] = $value;
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   308
      }
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diff changeset
   309
    }
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   310
    else if ( is_string($postname) && is_string($postvalue) )
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   311
    {
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   312
      $this->parms_post[$postname] = $postvalue;
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diff changeset
   313
    }
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diff changeset
   314
    else
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   315
    {
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   316
      die(__CLASS__ . '::' . __METHOD__ . ': Invalid argument(s)');
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diff changeset
   317
    }
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   318
  }
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diff changeset
   319
  
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   320
  /**
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   321
   * Internal function to open up the socket.
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   322
   * @access private
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   323
   */
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diff changeset
   324
  
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Dan
parents:
diff changeset
   325
  function _sock_open(&$connection)
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Dan
parents:
diff changeset
   326
  {
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Dan
parents:
diff changeset
   327
    // Open connection
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Dan
parents:
diff changeset
   328
    $connection = fsockopen($this->host, $this->port);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   329
    if ( !$connection )
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Dan
parents:
diff changeset
   330
      die(__CLASS__ . '::' . __METHOD__ . ': Could not make connection');
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Dan
parents:
diff changeset
   331
    
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Dan
parents:
diff changeset
   332
    // 1 = socket open
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Dan
parents:
diff changeset
   333
    $this->state = 1;
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Dan
parents:
diff changeset
   334
  }
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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
  /**
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Dan
parents:
diff changeset
   337
   * Internal function to actually write the request into the socket.
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Dan
parents:
diff changeset
   338
   * @access private
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Dan
parents:
diff changeset
   339
   */
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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
  function _write_request(&$connection, &$headers, &$cookies, &$get, &$post)
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Dan
parents:
diff changeset
   342
  {
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Dan
parents:
diff changeset
   343
    $newline = "\r\n";
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Dan
parents:
diff changeset
   344
    
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
   345
    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
   346
      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
   347
    
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
    if ( $this->debug )
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   349
    {
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   350
      echo '<hr /><div style="white-space: nowrap;">';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   351
      echo '<p><b>' . __CLASS__ . ': Sending request</b></p><p>Request parameters:</p>';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   352
      echo "<p><b>Headers:</b></p><pre>$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
   353
      echo "<p><b>Cookies:</b> $cookies</p>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   354
      echo "<p><b>GET URI:</b> " . htmlspecialchars($this->uri . $get) . "</p>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   355
      echo "<p><b>POST DATA:</b> " . htmlspecialchars($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
   356
      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
   357
    }
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
    
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   359
    $portline = ( $this->port == 80 ) ? '' : ":$this->port";
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   360
    
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   361
    $this->_fputs($connection, "{$this->method} {$this->uri}{$get} HTTP/1.1{$newline}");
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   362
    $this->_fputs($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
   363
    $this->_fputs($connection, $headers);
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Dan
parents:
diff changeset
   364
    $this->_fputs($connection, $cookies);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   365
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   366
    if ( $this->method == 'POST' )
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Dan
parents:
diff changeset
   367
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   368
      // POST-specific parameters
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   369
      $post_length = strlen($post);
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Dan
parents:
diff changeset
   370
      $this->_fputs($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
   371
      $this->_fputs($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
   372
    }
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
    $this->_fputs($connection, "Connection: close{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   375
    $this->_fputs($connection, "{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   376
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   377
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   378
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   379
      $this->_fputs($connection, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   380
    }
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
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   383
      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
   384
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   385
    // 2 = request written
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   386
    $this->state = 2;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   387
  }
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
   * 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
   391
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   392
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   393
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   394
  function sock_close(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   395
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   396
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   397
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   398
      echo '<p>Response fetched. Closing connection. Response text follows.</p><pre>';
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   399
      echo htmlspecialchars($this->response);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   400
      echo '</pre></div><hr />';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   401
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   402
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   403
    fclose($connection);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   404
  }
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
   * 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
   408
   * @access string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   409
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   410
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   411
  function _parse_response_code($buffer)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   412
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   413
    // Retrieve response code and status
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   414
    $pos_newline = strpos($buffer, "\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   415
    $pos_carriage_return = strpos($buffer, "\r");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   416
    $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
   417
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   418
    // 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
   419
    // 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
   420
    $response_code = substr($buffer, 9, 3);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   421
    $response_string = substr($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
   422
    $this->response_code = intval($response_code);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   423
    $this->response_string = $response_string;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   424
  }
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
   * 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
   428
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   429
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   430
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   431
  function _send_request()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   432
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   433
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   434
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   435
    if ( $this->state < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   436
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   437
      $this->_sock_open($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   438
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   439
    if ( $this->state < 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   440
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   441
      $this->_write_request($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
   442
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   443
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   444
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   445
      $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
   446
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   447
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   448
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   449
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   450
    if ( $this->state == 3 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   451
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   452
      // Determine transfer encoding
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   453
      $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
   454
      
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   455
      $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   456
      while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   457
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   458
        $part = fgets($this->socket, 1024);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   459
        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
   460
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   461
          $chunklen = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   462
          $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
   463
          // 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
   464
          $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
   465
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   466
        $buffer .= $part;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   467
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   468
      $this->response .= $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   469
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   470
    $this->state = 4;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   471
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   472
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   473
    $this->socket = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   474
  }
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
   * 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
   478
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   479
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   480
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   481
  function _send_request_headers_only()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   482
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   483
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   484
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   485
    if ( $this->state < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   486
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   487
      $this->_sock_open($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   488
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   489
    if ( $this->state < 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   490
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   491
      $this->_write_request($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
   492
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   493
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   494
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   495
      $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
   496
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   497
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   498
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   499
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   500
  }
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
   * 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
   504
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   505
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   506
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   507
  function _read_until_newlines($sock)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   508
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   509
    $prev_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   510
    $prev1_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   511
    $prev2_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   512
    $buf = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   513
    while ( !feof($sock) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   514
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   515
      $chr = fread($sock, 1);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   516
      $buf .= $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   517
      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
   518
           ( $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
   519
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   520
        return $buf;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   521
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   522
      $prev2_char = $prev1_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   523
      $prev1_char = $prev_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   524
      $prev_char = $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   525
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   526
    return $buf;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   527
  }
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
   * 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
   531
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   532
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   533
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   534
  function get_response()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   535
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   536
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   537
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   538
    $this->_send_request();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   539
    return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   540
  }
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
   * 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
   544
   * @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
   545
   * @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
   546
   * @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
   547
   * @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
   548
   */
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
  function write_response_to_file($file, $chunklen = 768, $max_file_size = 0)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   551
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   552
    if ( !is_writeable( dirname($file) ) || !file_exists( dirname($file) ) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   553
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   554
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   555
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   556
    $handle = @fopen($file, 'w');
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   557
    if ( !$handle )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   558
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   559
    $chunklen = intval($chunklen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   560
    if ( $chunklen < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   561
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   562
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   563
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   564
      // 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
   565
      $response = $this->get_response_body();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   566
      fwrite($handle, $response);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   567
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   568
    else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   569
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   570
      // 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
   571
      $headers = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   572
      $transferred_bytes = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   573
      $bandwidth_exceeded = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   574
      // 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
   575
      $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
   576
      if ( $is_chunked )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   577
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   578
        $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   579
        while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   580
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   581
          $part = fgets($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   582
          // 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
   583
          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
   584
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   585
            $chunk_length = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   586
            $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
   587
            // 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
   588
            $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
   589
          }
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
          $transferred_bytes += strlen($part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   592
          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
   593
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   594
            // 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
   595
            $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
   596
            $part = substr($part, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   597
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   598
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   599
          fwrite($handle, $part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   600
          if ( $bandwidth_exceeded )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   601
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   602
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   603
          }
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
      else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   607
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   608
        $first_chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   609
        fwrite($handle, $first_chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   610
        while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   611
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   612
          $chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   613
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   614
          $transferred_bytes += strlen($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   615
          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
   616
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   617
            // 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
   618
            $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
   619
            $chunk = substr($chunk, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   620
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   621
          }
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
          fwrite($handle, $chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   624
          unset($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   625
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   626
          if ( $bandwidth_exceeded )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   627
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   628
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   629
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   630
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   631
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   632
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   633
    fclose($handle);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   634
    // 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
   635
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   636
    $this->state = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   637
    return ($bandwidth_exceeded) ? false : true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   638
  }
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
   * Returns only the response headers.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   642
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   643
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   644
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   645
  function get_response_headers()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   646
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   647
    if ( $this->state == 3 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   648
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   649
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   650
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   651
    else if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   652
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   653
      $pos_end = strpos($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
   654
      $data = substr($this->response, 0, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   655
      return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   656
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   657
    else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   658
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   659
      $this->_send_request_headers_only();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   660
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   661
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   662
  }
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
   * 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
   666
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   667
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   668
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   669
  function get_response_headers_array()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   670
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   671
    $data = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   672
    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
   673
    $headers = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   674
    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
   675
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   676
      $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
   677
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   678
    return $headers;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   679
  }
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
   * 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
   683
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   684
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   685
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   686
  function get_response_body()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   687
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   688
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   689
    $pos_start = strpos($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
   690
    $data = substr($data, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   691
    return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   692
  }
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
   * 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
   696
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   697
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   698
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   699
  function get_cookies()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   700
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   701
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   702
    $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
   703
    $pos = strpos($data, "\n\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   704
    $headers = substr($data, 0, $pos);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   705
    preg_match_all("/Set-Cookie: ([a-z0-9_]+)=([^;]+);( expires=([^;]+);)?( path=(.*?))?\n/", $headers, $cookiematch);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   706
    if ( count($cookiematch[0]) < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   707
      return array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   708
    $cookies = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   709
    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
   710
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   711
      $cookies[$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
   712
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   713
    return $cookies;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   714
  }
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
   * 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
   718
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   719
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   720
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   721
  function _fputs($socket, $data)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   722
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   723
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   724
      echo htmlspecialchars($data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   725
    return fputs($socket, $data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   726
  }
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
   * 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
   730
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   731
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   732
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   733
  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
   734
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   735
    $headers = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   736
    $cookies = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   737
    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
   738
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   739
      $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
   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
      $headers .= "$name: $value\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   742
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   743
    unset($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   744
    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
   745
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   746
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   747
      $cookie_header = 'Cookie: ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   748
      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
   749
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   750
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   751
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   752
          $cookie_header .= '; ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   753
        $value = str_replace(';', rawurlencode(';'), $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   754
        $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
   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
        $cookie_header .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   757
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   758
      $cookie_header .= "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   759
      $cookies = $cookie_header;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   760
      unset($value, $cookie_header);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   761
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   762
    if ( count($this->parms_get) > 0 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   763
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   764
      $get = '?';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   765
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   766
      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
   767
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   768
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   769
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   770
          $get .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   771
        $value = urlencode($value);
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   772
        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
   773
          $get .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   774
        else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   775
          $get .= "$name";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   776
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   777
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   778
    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
   779
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   780
      $post = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   781
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   782
      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
   783
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   784
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   785
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   786
          $post .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   787
        $value = urlencode($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   788
        $post .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   789
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   790
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   791
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   792
  
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
?>