<?php /**************************************************************************\ * eGroupWare API loader * * This file was originaly written by Dan Kuykendall and Joseph Engo * * Copyright (C) 2000, 2001 Dan Kuykendall * * -------------------------------------------------------------------------* * Rewritten by RalfBecker@outdoor-training.de to store the eGW enviroment * * (egw-object and egw_info-array) in a php-session and restore it from * * there instead of creating it completly new on each page-request. * * The enviroment gets now created by the egw-class * * -------------------------------------------------------------------------* * This library is part of the eGroupWare API http://www.egroupware.org * * ------------------------------------------------------------------------ * * This program is free software; you can redistribute it and/or modify it * * under the terms of the GNU General Public License as published by the * * Free Software Foundation; either version 2 of the License, or (at your * * option) any later version. * \**************************************************************************/ /* $Id$ */ error_reporting(E_ALL & ~E_NOTICE); magic_quotes_runtime(false); $egw_min_php_version = '4.3'; if (!function_exists('version_compare') || version_compare(PHP_VERSION,$egw_min_php_version) < 0) //version_compare() is only available in PHP4.1+ { die("eGroupWare requires PHP $egw_min_php_version or greater.<br />Please contact your System Administrator to upgrade PHP!"); } // check if eGW's pear repository is installed and prefer it over the other ones if (is_dir(EGW_SERVER_ROOT.'/egw-pear')) { set_include_path(EGW_SERVER_ROOT.'/egw-pear'.PATH_SEPARATOR.get_include_path()); //echo "<p align=right>include_path='".get_include_path()."'</p>\n"; } if (!defined('EGW_API_INC')) define('EGW_API_INC',PHPGW_API_INC); // this is to support the header upgrade /* Make sure the header.inc.php is current. */ if (!isset($GLOBALS['egw_domain']) || $GLOBALS['egw_info']['server']['versions']['header'] < $GLOBALS['egw_info']['server']['versions']['current_header']) { echo '<center><b>You need to update your header.inc.php file to version '. $GLOBALS['egw_info']['server']['versions']['current_header']. ' by running <a href="setup/manageheader.php">setup/headeradmin</a>.</b></center>'; exit; } /* Make sure the developer is following the rules. */ if (!isset($GLOBALS['egw_info']['flags']['currentapp'])) { echo "<p><b>!!! YOU DO NOT HAVE YOUR \$GLOBALS['egw_info']['flags']['currentapp'] SET !!!<br>\n"; echo '!!! PLEASE CORRECT THIS SITUATION !!!</b></p>'; } include(EGW_API_INC.'/common_functions.inc.php'); // check if we can restore the eGW enviroment from the php-session if ($GLOBALS['egw_info']['server']['sessions_type'] == 'php4-restore' && $_REQUEST['sessionid']) { session_name('sessionid'); ini_set('session.use_cookies',0); // disable the automatic use of cookies, as it uses the path / by default session_id($_REQUEST['sessionid']); session_start(); if ($GLOBALS['egw_info']['flags']['currentapp'] != 'login' && $GLOBALS['egw_info']['flags']['currentapp'] != 'logout') { if (is_array($_SESSION['egw_info_cache']) && is_array($_SESSION['egw_included_files']) && $_SESSION['egw_object_cache']) { // marking the context as restored from the session, used by session->verify to not read the date from the db again $GLOBALS['egw_info']['flags']['restored_from_session'] = true; // restoring the egw_info-array $flags = $GLOBALS['egw_info']['flags']; $GLOBALS['egw_info'] = $_SESSION['egw_info_cache']; $GLOBALS['egw_info']['flags'] = $flags; unset($flags); // including the necessary class-definitions foreach($_SESSION['egw_included_files'] as $file) { //echo "<p>about to include $file</p>\n"; include_once($file); if (basename($file) == 'class.egw_framework.inc.php') break; // the rest is not needed and makes only problems } $GLOBALS['egw'] = unserialize($_SESSION['egw_object_cache']); if (is_object($GLOBALS['egw'])) { $GLOBALS['egw']->wakeup2(); // adapt the restored egw-object/enviroment to this request (eg. changed current app) //printf("<p style=\"position: absolute; right: 0px; top: 0px;\">egw-enviroment restored in %d ms</p>\n",1000*(perfgetmicrotime()-$GLOBALS['egw_info']['flags']['page_start_time'])); if (is_object($GLOBALS['egw']->translation)) return; // exit this file, as the rest of the file creates a new egw-object and -enviroment } // egw object could NOT be restored from the session, create a new one unset($GLOBALS['egw']); $GLOBALS['egw_info'] = array('flags'=>$GLOBALS['egw_info']['flags']); unset($GLOBALS['egw_info']['flags']['restored_from_session']); unset($_SESSION['egw_info_cache']); unset($_SESSION['egw_included_files']); unset($_SESSION['egw_object_cache']); } //echo "<p>could not restore egw_info and the egw-object!!!</p>\n"; } else // destroy the session-cache if called by login or logout { unset($_SESSION['egw_info_cache']); unset($_SESSION['egw_included_files']); unset($_SESSION['egw_object_cache']); } } print_debug('sane environment','messageonly','api'); /****************************************************************************\ * Multi-Domain support * \****************************************************************************/ if (!isset($GLOBALS['egw_info']['server']['default_domain']) || // allow to overwrite the default domain !isset($GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']])) { if(isset($GLOBALS['egw_domain'][$_SERVER['SERVER_NAME']])) { $GLOBALS['egw_info']['server']['default_domain'] = $_SERVER['SERVER_NAME']; } else { reset($GLOBALS['egw_domain']); list($GLOBALS['egw_info']['server']['default_domain']) = each($GLOBALS['egw_domain']); } } if (isset($_POST['login'])) // on login { $GLOBALS['login'] = $_POST['login']; if (strstr($GLOBALS['login'],'@') === False || count($GLOBALS['egw_domain']) == 1) { $GLOBALS['login'] .= '@' . get_var('logindomain',array('POST'),$GLOBALS['egw_info']['server']['default_domain']); } $parts = explode('@',$GLOBALS['login']); $GLOBALS['egw_info']['user']['domain'] = array_pop($parts); } else // on "normal" pageview { $GLOBALS['egw_info']['user']['domain'] = get_var('domain',array('GET','COOKIE'),false); } if (@isset($GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']])) { $GLOBALS['egw_info']['server']['db_host'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_host']; $GLOBALS['egw_info']['server']['db_port'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_port']; $GLOBALS['egw_info']['server']['db_name'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_name']; $GLOBALS['egw_info']['server']['db_user'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_user']; $GLOBALS['egw_info']['server']['db_pass'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_pass']; $GLOBALS['egw_info']['server']['db_type'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_type']; } else { $GLOBALS['egw_info']['server']['db_host'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_host']; $GLOBALS['egw_info']['server']['db_port'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_port']; $GLOBALS['egw_info']['server']['db_name'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_name']; $GLOBALS['egw_info']['server']['db_user'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_user']; $GLOBALS['egw_info']['server']['db_pass'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_pass']; $GLOBALS['egw_info']['server']['db_type'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_type']; } print_debug('domain',@$GLOBALS['egw_info']['user']['domain'],'api'); // the egw-object instanciates all sub-classes (eg. $GLOBALS['egw']->db) and the egw_info array $GLOBALS['egw'] =& CreateObject('phpgwapi.egw',array_keys($GLOBALS['egw_domain'])); if ($GLOBALS['egw_info']['flags']['currentapp'] != 'login') { if (!$GLOBALS['egw_info']['server']['show_domain_selectbox']) { unset ($GLOBALS['egw_domain']); // we kill this for security reasons } //printf("<p style=\"position: absolute; right: 0px; top: 0px;\">egw-enviroment new created in %d ms</p>\n",1000*(perfgetmicrotime()-$GLOBALS['egw_info']['flags']['page_start_time'])); } // saving the the egw_info array and the egw-object in the session if ($GLOBALS['egw_info']['server']['sessions_type'] == 'php4-restore' && $GLOBALS['egw_info']['flags']['currentapp'] != 'login') { $_SESSION['egw_info_cache'] = $GLOBALS['egw_info']; unset($_SESSION['egw_info_cache']['flags']); // dont save the flags, they change on each request // exclude 1: caller, 2: the header.inc.php, 3: phpgwapi/setup/setup.inc.php, 4: phpgwapi/inc/functions.inc.php (this file) $_SESSION['egw_included_files'] = array(); foreach(array_slice(get_included_files(),4) as $file) { switch(basename($file)) { case 'head.inc.php': // needs EGW_TEMPLATE_DIR and is included anyway by common::egw_header() case 'functions.inc.php': // not needed/wanted at all break; default: $_SESSION['egw_included_files'][] = $file; } } $_SESSION['egw_object_cache'] = serialize($GLOBALS['egw']); }