includes/http.php
author Dan
Tue, 15 Sep 2009 14:37:03 -0400
changeset 1114 4f4d63a281cd
parent 1113 000791abdc7e
child 1135 56c0abbdad3e
permissions -rw-r--r--
Fixed (well, implemented) log clearing functionality on uploaded files.
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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745200a9cc2a Fixed some upgrade bugs; added support for choosing one's own date/time formats; rebrand as 1.1.7
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 * Copyright (C) 2006-2009 Dan Fuhry
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 * class_http.php - Pure PHP HTTP client library
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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//
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// HTTP status codes
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//
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// Informational
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define('HTTP_CONTINUE', 100);
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define('HTTP_SWITCHING_PROTOCOLS', 101);
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define('HTTP_PROCESSING', 102);
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// Success
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define('HTTP_OK', 200);
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define('HTTP_CREATED', 201);
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define('HTTP_ACCEPTED', 202);
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define('HTTP_NON_AUTHORITATIVE', 203);
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define('HTTP_NO_CONTENT', 204);
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define('HTTP_RESET_CONTENT', 205);
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define('HTTP_PARTIAL_CONTENT', 206);
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define('HTTP_MULTI_STATUS', 207);
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// Redirection
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define('HTTP_MULTIPLE_CHOICES', 300);
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define('HTTP_MOVED_PERMANENTLY', 301);
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define('HTTP_FOUND', 302);
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define('HTTP_SEE_OTHER', 303);
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define('HTTP_NOT_MODIFIED', 304);
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define('HTTP_USE_PROXY', 305);
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define('HTTP_SWITCH_PROXY', 306);
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define('HTTP_TEMPORARY_REDIRECT', 307);
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// Client Error
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define('HTTP_BAD_REQUEST', 400);
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define('HTTP_UNAUTHORIZED', 401);
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define('HTTP_PAYMENT_REQUIRED', 402);
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define('HTTP_FORBIDDEN', 403);
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define('HTTP_NOT_FOUND', 404);
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define('HTTP_METHOD_NOT_ALLOWED', 405);
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define('HTTP_NOT_ACCEPTABLE', 406);
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define('HTTP_PROXY_AUTHENTICATION_REQUIRED', 407);
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define('HTTP_REQUEST_TIMEOUT', 408);
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define('HTTP_CONFLICT', 409);
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define('HTTP_GONE', 410);
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define('HTTP_LENGTH_REQUIRED', 411);
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define('HTTP_PRECONDITION_FAILED', 412);
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define('HTTP_REQUEST_ENTITY_TOO_LARGE', 413);
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define('HTTP_REQUEST_URI_TOO_LONG', 414);
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define('HTTP_UNSUPPORTED_MEDIA_TYPE', 415);
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define('HTTP_REQUESTED_RANGE_NOT_SATISFIABLE', 416);
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define('HTTP_EXPECTATION_FAILED', 417);
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define('HTTP_UNPROCESSABLE_ENTITY', 422);
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define('HTTP_LOCKED', 423);
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define('HTTP_FAILED_DEPENDENCY', 424);
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define('HTTP_UNORDERED_COLLECTION', 425);
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define('HTTP_UPGRADE_REQUIRED', 426);
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define('HTTP_RETRY_WITH', 449);
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// Server error
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define('HTTP_INTERNAL_SERVER_ERROR', 500);
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define('HTTP_NOT_IMPLEMENTED', 501);
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define('HTTP_BAD_GATEWAY', 502);
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define('HTTP_SERVICE_TEMPORARILY_UNAVAILABLE', 503);
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define('HTTP_GATEWAY_TIMEOUT', 504);
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define('HTTP_HTTP_VERSION_NOT_SUPPORTED', 505);
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define('HTTP_VARIANT_ALSO_NEGOTIATES', 506);
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define('HTTP_INSUFFICIENT_STORAGE', 507);
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define('HTTP_BANDWIDTH_LIMIT_EXCEEDED', 509);
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define('HTTP_NOT_EXTENDED', 510);
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/**
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 * Class for making HTTP requests. This can do GET and POST, and when used properly it consumes under a meg of memory, even with huge files.
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 * @package Enano
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 * @subpackage Backend functions
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 * @copyright 2007 Dan Fuhry
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 */
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class Request_HTTP
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{
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  /**
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   * Switch to enable or disable debugging. You want this off on production sites.
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   * @var bool
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   */
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  var $debug = false;
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  /**
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   * The host the request will be sent to.
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   * @var string
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   */
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  var $host = '';
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  /**
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   * The TCP port our connection is (will be) on.
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   * @var int
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   */
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  var $port = 80;
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  /**
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   * The request method. Can be GET or POST, defaults to GET.
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   * @var string
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   */
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  var $method = 'GET';
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  /**
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   * The URI to the remote script.
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   * @var string
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   */
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  var $uri = '';
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  /**
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   * The parameters to be sent on GET.
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   * @var array (associative)
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   */
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  var $parms_get = array();
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  /**
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   * The parameters to be sent on POST. Ignored if $this->method == GET.
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   * @var array (associative)
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   */
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  var $parms_post = array();
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  /**
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   * The list of cookies that will be sent.
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   * @var array (associative)
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   */
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  var $cookies_out = array();
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  /**
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   * Additional request headers.
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   * @var array (associative)
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   */
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  var $headers = array();
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  /**
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   * Cached response.
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   * @var string, or bool:false if the request hasn't been sent yet
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   */
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  var $response = false;
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  /**
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   * Cached response code
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   * @var int set to -1 if request hasn't been sent yet
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   */
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  var $response_code = -1;
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  /**
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   * Cached response code string
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   * @var string or bool:false if the request hasn't been sent yet
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   */
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  var $response_string = false;
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  /**
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   * Resource for the socket. False if a connection currently isn't going.
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   * @var resource
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   */
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  var $socket = false;
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  /**
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   * The state of our request. 0 means it hasn't been made yet. 1 means the socket is open, 2 means the socket is open and the request has been written, 3 means the headers have been fetched, and 4 means the request is completed.
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   * @var int
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   */
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  var $state = 0;
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  /**
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   * Constructor.
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   * @param string Hostname to send to
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   * @param string URI (/index.php)
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   * @param string Request method - GET or POST.
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   * @param int Optional. The port to open the request on. Defaults to 80.
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   */
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  function Request_HTTP($host, $uri, $method = 'GET', $port = 80)
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  {
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    if ( !preg_match('/^(?:(([a-z0-9-]+\.)*?)([a-z0-9-]+)|\[[a-f0-9:]+\])$/', $host) )
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      throw new Exception(__CLASS__ . ': Invalid hostname');
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    // Yes - this really does support IPv6 URLs!
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    $this->host = $host;
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    $this->uri = $uri;
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    if ( is_int($port) && $port >= 1 && $port <= 65535 )
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      $this->port = $port;
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    else
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      throw new Exception(__CLASS__ . ': Invalid port');
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    $method = strtoupper($method);
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    if ( $method == 'GET' || $method == 'POST' )
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      $this->method = $method;
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    else
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      throw new Exception(__CLASS__ . ': Invalid request method');
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    $newline = "\r\n";
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    $php_ver = PHP_VERSION;
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    $server = ( isset($_SERVER['SERVER_SOFTWARE']) ) ? "Server: {$_SERVER['SERVER_SOFTWARE']}" : "CLI";
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    $this->add_header('User-Agent', "PHP/$php_ver ({$server}; automated bot request)");
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  }
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  /**
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   * Sets one or more cookies to be sent to the server.
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   * @param string or array If a string, the cookie name. If an array, associative array in the form of cookiename => cookievalue
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   * @param string or bool If a string, the cookie value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_cookie($cookiename, $cookievalue = false)
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  {
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    if ( is_array($cookiename) && !$cookievalue )
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    {
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      foreach ( $cookiename as $name => $value )
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      {
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        $this->cookies_out[$name] = $value;
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      }
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    }
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    else if ( is_string($cookiename) && is_string($cookievalue) )
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    {
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      $this->cookies_out[$cookiename] = $cookievalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   * Sets one or more request header values.
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   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_header($headername, $headervalue = false)
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  {
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    if ( is_array($headername) && !$headervalue )
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    {
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      foreach ( $headername as $name => $value )
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      {
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        $this->headers[$name] = $value;
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      }
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    }
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    else if ( is_string($headername) && is_string($headervalue) )
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    {
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      $this->headers[$headername] = $headervalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   * Adds one or more values to be passed on GET.
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   * @param string or array If a string, the parameter name. If an array, associative array in the form of parametername => parametervalue
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   * @param string or bool If a string, the parameter value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_get($getname, $getvalue = false)
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  {
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    if ( is_array($getname) && !$getvalue )
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    {
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      foreach ( $getname as $name => $value )
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      {
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        $this->parms_get[$name] = $value;
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      }
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    }
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    else if ( is_string($getname) && is_string($getvalue) )
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    {
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      $this->parms_get[$getname] = $getvalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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   * Adds one or more values to be passed on POST.
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   * @param string or array If a string, the header name. If an array, associative array in the form of headername => headervalue
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   * @param string or bool If a string, the header value. If boolean, defaults to false, param 1 should be an array, and this should not be passed.
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   */
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  function add_post($postname, $postvalue = false)
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  {
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    if ( is_array($postname) && !$postvalue )
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    {
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      foreach ( $postname as $name => $value )
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      {
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        $this->parms_post[$name] = $value;
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      }
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    }
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    else if ( is_string($postname) && is_string($postvalue) )
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    {
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      $this->parms_post[$postname] = $postvalue;
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    }
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    else
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    {
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      throw new Exception(__METHOD__ . ': Invalid argument(s)');
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    }
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  }
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  /**
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diff changeset
   322
   * Internal function to open up the socket.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   323
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   324
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   325
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   326
  function _sock_open(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   327
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   328
    // Open connection
1034
15fa1b4e730a Fixed onload_hooks[] being initted to null after runOnloadHooks() called (should now be initted to an array)
Dan
parents: 952
diff changeset
   329
    $connection = fsockopen($this->host, $this->port, $errno, $errstr);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   330
    if ( !$connection )
1034
15fa1b4e730a Fixed onload_hooks[] being initted to null after runOnloadHooks() called (should now be initted to an array)
Dan
parents: 952
diff changeset
   331
      throw new Exception(__METHOD__ . ": Could not make connection"); // to {$this->host}:{$this->port}: error $errno: $errstr");
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   332
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   333
    // 1 = socket open
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   334
    $this->state = 1;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   335
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   336
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   337
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   338
   * Internal function to actually write the request into the socket.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   339
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   340
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   341
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   342
  function _write_request(&$connection, &$headers, &$cookies, &$get, &$post)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   343
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   344
    $newline = "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   345
    
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   346
    if ( $this->debug )
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   347
      echo '<p>Connection opened. Writing main request to socket. Raw socket data follows.</p><pre>';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   348
    
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   349
    if ( $this->debug )
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   350
    {
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   351
      echo '<hr /><div style="white-space: nowrap;">';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   352
      echo '<p><b>' . __CLASS__ . ': Sending request</b></p><p>Request parameters:</p>';
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   353
      echo "<p><b>Headers:</b></p><pre>$headers</pre>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   354
      echo "<p><b>Cookies:</b> $cookies</p>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   355
      echo "<p><b>GET URI:</b> " . htmlspecialchars($this->uri . $get) . "</p>";
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   356
      echo "<p><b>POST DATA:</b> " . htmlspecialchars($post) . "</p>";
354
979d99a0b00e A few more installer tweaks / fixes. Initted upgrade script. Added migration schema from 1.0 to 1.1.
Dan
parents: 349
diff changeset
   357
      echo "<pre>";
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   358
    }
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   359
    
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   360
    $portline = ( $this->port == 80 ) ? '' : ":$this->port";
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   361
    
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   362
    $this->_fputs($connection, "{$this->method} {$this->uri}{$get} HTTP/1.1{$newline}");
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   363
    $this->_fputs($connection, "Host: {$this->host}$portline{$newline}");
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   364
    $this->_fputs($connection, $headers);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   365
    $this->_fputs($connection, $cookies);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   366
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   367
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   368
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   369
      // POST-specific parameters
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   370
      $post_length = strlen($post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   371
      $this->_fputs($connection, "Content-type: application/x-www-form-urlencoded{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   372
      $this->_fputs($connection, "Content-length: {$post_length}{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   373
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   374
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   375
    $this->_fputs($connection, "Connection: close{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   376
    $this->_fputs($connection, "{$newline}");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   377
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   378
    if ( $this->method == 'POST' )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   379
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   380
      $this->_fputs($connection, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   381
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   382
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   383
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   384
      echo '</pre><p>Request written. Fetching response.</p>';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   385
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   386
    // 2 = request written
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   387
    $this->state = 2;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   388
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   389
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   390
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   391
   * Wrap up and close the socket. Nothing more than a call to fsockclose() except in debug mode.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   392
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   393
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   394
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   395
  function sock_close(&$connection)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   396
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   397
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   398
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   399
      echo '<p>Response fetched. Closing connection. Response text follows.</p><pre>';
349
fdaf9070566c More progress on the installer. At this point it can install and import the language, but does not rename config files. Still much work to be done, most notably localization and creation of MySQL users and databases.
Dan
parents: 328
diff changeset
   400
      echo htmlspecialchars($this->response);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   401
      echo '</pre></div><hr />';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   402
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   403
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   404
    fclose($connection);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   405
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   406
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   407
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   408
   * Internal function to grab the response code and status string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   409
   * @access string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   410
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   411
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   412
  function _parse_response_code($buffer)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   413
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   414
    // Retrieve response code and status
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   415
    $pos_newline = strpos($buffer, "\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   416
    $pos_carriage_return = strpos($buffer, "\r");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   417
    $pos_end_first_line = ( $pos_carriage_return < $pos_newline && $pos_carriage_return > 0 ) ? $pos_carriage_return : $pos_newline;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   418
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   419
    // First line is in format of:
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   420
    // HTTP/1.1 ### Blah blah blah(\r?)\n
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   421
    $response_code = substr($buffer, 9, 3);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   422
    $response_string = substr($buffer, 13, ( $pos_end_first_line - 13 ) );
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   423
    $this->response_code = intval($response_code);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   424
    $this->response_string = $response_string;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   425
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   426
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   427
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   428
   * Internal function to send the request.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   429
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   430
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   431
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   432
  function _send_request()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   433
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   434
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   435
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   436
    if ( $this->state < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   437
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   438
      $this->_sock_open($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   439
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   440
    if ( $this->state < 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   441
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   442
      $this->_write_request($this->socket, $headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   443
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   444
    if ( $this->state == 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   445
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   446
      $buffer = $this->_read_until_newlines($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   447
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   448
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   449
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   450
    }
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   451
    // obey redirects
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   452
    $i = 0;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   453
    while ( $i < 20 )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   454
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   455
      $incoming_headers = $this->get_response_headers_array();
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   456
      if ( !$incoming_headers )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   457
        break;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   458
      if ( isset($incoming_headers['Location']) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   459
      {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   460
        // we've been redirected...
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   461
        $new_uri = $this->_resolve_uri($incoming_headers['Location']);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   462
        if ( !$new_uri )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   463
        {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   464
          // ... bad URI, ignore Location header.
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   465
          break;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   466
        }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   467
        // change location
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   468
        $this->host = $new_uri['host'];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   469
        $this->port = $new_uri['port'];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   470
        $this->uri  = $new_uri['uri'];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   471
        $get = '';
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   472
        
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   473
        // reset
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   474
        $this->sock_close($this->socket);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   475
        $this->_sock_open($this->socket);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   476
        $this->_write_request($this->socket, $headers, $cookies, $get, $post);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   477
        $buffer = $this->_read_until_newlines($this->socket);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   478
        $this->state = 3;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   479
        $this->_parse_response_code($buffer);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   480
        $this->response = $buffer;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   481
        $i++;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   482
      }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   483
      else
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   484
      {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   485
        break;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   486
      }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   487
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   488
    if ( $i == 20 )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   489
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   490
      throw new Exception(__METHOD__ . ": Redirect trap. Request_HTTP doesn't do cookies, btw.");
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   491
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   492
    
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   493
    if ( $this->state == 3 )
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
      // Determine transfer encoding
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   496
      $is_chunked = preg_match("/Transfer-Encoding: (chunked)\r?\n/", $this->response);
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   497
      if ( preg_match("/^Content-Length: ([0-9]+)[\s]*$/mi", $this->response, $match) && !$is_chunked )
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   498
      {
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   499
        $size = intval($match[1]);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   500
        if ( $this->debug )
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   501
        {
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   502
          echo "Pulling response using fread(), size $size\n";
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   503
        }
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   504
        $this->response .= fread($this->socket, $size);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   505
      }
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   506
      else
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   507
      {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   508
        if ( $this->debug )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   509
          echo "Pulling response using chunked handler\n";
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   510
          
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   511
        $buffer = '';
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   512
        while ( !feof($this->socket) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   513
        {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   514
          $part = fgets($this->socket, 1024);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   515
          if ( $is_chunked && preg_match("/^([a-f0-9]+)\x0D\x0A$/", $part, $match) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   516
          {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   517
            $chunklen = hexdec($match[1]);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   518
            $part = ( $chunklen > 0 ) ? fread($this->socket, $chunklen) : '';
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   519
            // remove the last newline from $part
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   520
            $part = preg_replace("/\r?\n\$/", "", $part);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   521
          }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   522
          $buffer .= $part;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   523
        }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   524
        $this->response .= $buffer;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   525
      }
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   526
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   527
    $this->state = 4;
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
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   530
    $this->socket = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   531
  }
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
   * 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
   535
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   536
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   537
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   538
  function _send_request_headers_only()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   539
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   540
    $this->concat_headers($headers, $cookies, $get, $post);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   541
    
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   542
    if ( $this->state < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   543
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   544
      $this->_sock_open($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   545
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   546
    if ( $this->state < 2 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   547
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   548
      $this->_write_request($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
   549
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   550
    if ( $this->state == 2 )
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
      $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
   553
      $this->state = 3;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   554
      $this->_parse_response_code($buffer);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   555
      $this->response = $buffer;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   556
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   557
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   558
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   559
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   560
   * 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
   561
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   562
   */
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
  function _read_until_newlines($sock)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   565
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   566
    $prev_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   567
    $prev1_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   568
    $prev2_char = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   569
    $buf = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   570
    while ( !feof($sock) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   571
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   572
      $chr = fread($sock, 1);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   573
      $buf .= $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   574
      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
   575
           ( $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
   576
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   577
        return $buf;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   578
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   579
      $prev2_char = $prev1_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   580
      $prev1_char = $prev_char;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   581
      $prev_char = $chr;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   582
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   583
    return $buf;
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
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   586
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   587
   * 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
   588
   * @return string
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
  function get_response()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   592
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   593
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   594
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   595
    $this->_send_request();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   596
    return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   597
  }
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
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   600
   * 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
   601
   * @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
   602
   * @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
   603
   * @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
   604
   * @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
   605
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   606
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   607
  function write_response_to_file($file, $chunklen = 768, $max_file_size = 0)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   608
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   609
    if ( !is_writeable( dirname($file) ) || !file_exists( dirname($file) ) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   610
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   611
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   612
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   613
    $handle = @fopen($file, 'w');
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   614
    if ( !$handle )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   615
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   616
    $chunklen = intval($chunklen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   617
    if ( $chunklen < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   618
      return false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   619
    if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   620
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   621
      // 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
   622
      $response = $this->get_response_body();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   623
      fwrite($handle, $response);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   624
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   625
    else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   626
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   627
      // 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
   628
      $headers = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   629
      $transferred_bytes = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   630
      $bandwidth_exceeded = false;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   631
      // 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
   632
      $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
   633
      if ( $is_chunked )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   634
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   635
        $buffer = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   636
        while ( !feof($this->socket) )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   637
        {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   638
          $part = fgets($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   639
          // 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
   640
          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
   641
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   642
            $chunk_length = hexdec($match[1]);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   643
            $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
   644
            // 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
   645
            $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
   646
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   647
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   648
          $transferred_bytes += strlen($part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   649
          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
   650
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   651
            // 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
   652
            $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
   653
            $part = substr($part, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   654
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   655
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   656
          fwrite($handle, $part);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   657
          if ( $bandwidth_exceeded )
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
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   660
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   661
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   662
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   663
      else
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
        $first_chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   666
        fwrite($handle, $first_chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   667
        while ( !feof($this->socket) )
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
          $chunk = fread($this->socket, ( 1024 * $chunklen ));
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   670
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   671
          $transferred_bytes += strlen($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   672
          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
   673
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   674
            // 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
   675
            $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
   676
            $chunk = substr($chunk, 0, $partlen);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   677
            $bandwidth_exceeded = true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   678
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   679
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   680
          fwrite($handle, $chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   681
          unset($chunk);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   682
          
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   683
          if ( $bandwidth_exceeded )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   684
          {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   685
            break;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   686
          }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   687
        }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   688
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   689
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   690
    fclose($handle);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   691
    // 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
   692
    $this->sock_close($this->socket);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   693
    $this->state = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   694
    return ($bandwidth_exceeded) ? false : true;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   695
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   696
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   697
  /**
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   698
   * Resolves, based on current settings and URI, a URI string to an array consisting of a host, port, and new URI. Returns false on error.
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   699
   * @param string
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   700
   * @return array
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   701
   */
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   702
  
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   703
  function _resolve_uri($uri)
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   704
  {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   705
    // long ass regexp w00t
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   706
    if ( !preg_match('#^(?:https?://((?:(?:[a-z0-9-]+\.)*)(?:[a-z0-9-]+)|\[[a-f0-9:]+\])(?::([0-9]+))?)?(/)(.*)$#i', $uri, $match) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   707
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   708
      // bad target URI
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   709
      return false;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   710
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   711
    $hostpart = $match[1];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   712
    if ( empty($hostpart) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   713
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   714
      // use existing host
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   715
      $host = $this->host;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   716
      $port = $this->port;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   717
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   718
    else
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   719
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   720
      $host = $match[1];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   721
      $port = empty($match[2]) ? 80 : intval($match[2]);
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   722
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   723
    // is this an absolute URI, or relative?
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   724
    if ( empty($match[3]) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   725
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   726
      // relative
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   727
      $uri = dirname($this->uri) . $match[4];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   728
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   729
    else
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   730
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   731
      // absolute
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   732
      $uri = '/' . $match[4];
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   733
    }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   734
    return array(
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   735
        'host' => $host,
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   736
        'port' => $port,
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   737
        'uri'  => $uri
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   738
      );
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   739
  }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   740
  
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   741
  /**
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   742
   * Returns only the response headers.
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   743
   * @return string
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   744
   */
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
  function get_response_headers()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   747
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   748
    if ( $this->state == 3 )
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
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   751
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   752
    else if ( $this->state == 4 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   753
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   754
      $pos_end = strpos($this->response, "\r\n\r\n");
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   755
      if ( empty($pos_end) )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   756
      {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   757
        $pos_end = strpos($this->response, "\n\n");
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   758
      }
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   759
      $data = substr($this->response, 0, $pos_end);
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   760
      return $data;
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
    else
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
      $this->_send_request_headers_only();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   765
      return $this->response;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   766
    }
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
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   769
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   770
   * 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
   771
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   772
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   773
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   774
  function get_response_headers_array()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   775
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   776
    $data = $this->get_response_headers();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   777
    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
   778
    $headers = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   779
    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
   780
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   781
      $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
   782
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   783
    return $headers;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   784
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   785
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   786
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   787
   * 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
   788
   * @return string
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
  function get_response_body()
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
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   794
    $pos_start = strpos($data, "\r\n\r\n") + 4;
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   795
    if ( $pos_start == 4 )
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   796
    {
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   797
      $pos_start = strpos($data, "\n\n") + 4;
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   798
    }
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   799
    $data = substr($data, $pos_start);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   800
    return $data;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   801
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   802
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   803
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   804
   * 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
   805
   * @return array
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   806
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   807
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   808
  function get_cookies()
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   809
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   810
    $data = $this->get_response();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   811
    $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
   812
    $pos = strpos($data, "\n\n");
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   813
    $headers = substr($data, 0, $pos);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   814
    preg_match_all("/Set-Cookie: ([a-z0-9_]+)=([^;]+);( expires=([^;]+);)?( path=(.*?))?\n/", $headers, $cookiematch);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   815
    if ( count($cookiematch[0]) < 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   816
      return array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   817
    $cookies = array();
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   818
    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
   819
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   820
      $cookies[$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
   821
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   822
    return $cookies;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   823
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   824
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   825
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   826
   * 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
   827
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   828
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   829
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   830
  function _fputs($socket, $data)
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   831
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   832
    if ( $this->debug )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   833
      echo htmlspecialchars($data);
1113
000791abdc7e Request_HTTP: Fixed get_response_body(), added HTTP redirect support, and added support for Content-Length.
Dan
parents: 1086
diff changeset
   834
    
328
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   835
    return fputs($socket, $data);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   836
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   837
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   838
  /**
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   839
   * 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
   840
   * @access private
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   841
   */
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   842
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   843
  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
   844
  {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   845
    $headers = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   846
    $cookies = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   847
    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
   848
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   849
      $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
   850
      $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
   851
      $headers .= "$name: $value\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   852
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   853
    unset($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   854
    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
   855
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   856
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   857
      $cookie_header = 'Cookie: ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   858
      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
   859
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   860
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   861
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   862
          $cookie_header .= '; ';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   863
        $value = str_replace(';', rawurlencode(';'), $value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   864
        $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
   865
        $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
   866
        $cookie_header .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   867
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   868
      $cookie_header .= "\r\n";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   869
      $cookies = $cookie_header;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   870
      unset($value, $cookie_header);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   871
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   872
    if ( count($this->parms_get) > 0 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   873
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   874
      $get = '?';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   875
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   876
      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
   877
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   878
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   879
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   880
          $get .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   881
        $value = urlencode($value);
462
42a49ceb2373 Minor standards-compliance fix in Request_HTTP
Dan
parents: 411
diff changeset
   882
        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
   883
          $get .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   884
        else
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   885
          $get .= "$name";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   886
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   887
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   888
    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
   889
    {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   890
      $post = '';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   891
      $i = 0;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   892
      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
   893
      {
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   894
        $i++;
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   895
        if ( $i > 1 )
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   896
          $post .= '&';
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   897
        $value = urlencode($value);
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   898
        $post .= "$name=$value";
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   899
      }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   900
    }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   901
  }
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   902
  
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   903
}
dc838fd61a06 Added initial avatar support. Currently rather feature complete except for admin controls for avatar.
Dan
parents:
diff changeset
   904