forked from extern/egroupware
237 lines
10 KiB
PHP
237 lines
10 KiB
PHP
<?php
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/**
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* eGroupWare API loader
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*
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* Rewritten by RalfBecker@outdoor-training.de to store the eGW enviroment
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* (egw-object and egw_info-array) in a php-session and restore it from
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* there instead of creating it completly new on each page-request.
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* The enviroment gets now created by the egw-class
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*
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* This file was originaly written by Dan Kuykendall and Joseph Engo
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* Copyright (C) 2000, 2001 Dan Kuykendall
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*
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
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* @package api
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @version $Id$
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*/
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error_reporting(E_ALL & ~E_NOTICE);
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magic_quotes_runtime(false);
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$egw_min_php_version = '5.1';
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if (!function_exists('version_compare') || version_compare(PHP_VERSION,$egw_min_php_version) < 0)
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{
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die("eGroupWare requires PHP $egw_min_php_version or greater.<br />Please contact your System Administrator to upgrade PHP!");
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}
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// check if eGW's pear repository is installed and prefer it over the other ones
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if (is_dir(EGW_SERVER_ROOT.'/egw-pear'))
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{
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set_include_path(EGW_SERVER_ROOT.'/egw-pear'.PATH_SEPARATOR.get_include_path());
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//echo "<p align=right>include_path='".get_include_path()."'</p>\n";
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}
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if (!defined('EGW_API_INC')) define('EGW_API_INC',PHPGW_API_INC); // this is to support the header upgrade
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/* Make sure the header.inc.php is current. */
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if (!isset($GLOBALS['egw_domain']) || $GLOBALS['egw_info']['server']['versions']['header'] < $GLOBALS['egw_info']['server']['versions']['current_header'])
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{
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echo '<center><b>You need to update your header.inc.php file to version '.
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$GLOBALS['egw_info']['server']['versions']['current_header'].
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' by running <a href="setup/manageheader.php">setup/headeradmin</a>.</b></center>';
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exit;
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}
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/* Make sure the developer is following the rules. */
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if (!isset($GLOBALS['egw_info']['flags']['currentapp']))
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{
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echo "<p><b>!!! YOU DO NOT HAVE YOUR \$GLOBALS['egw_info']['flags']['currentapp'] SET !!!<br>\n";
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echo '!!! PLEASE CORRECT THIS SITUATION !!!</b></p>';
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}
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include(EGW_API_INC.'/common_functions.inc.php');
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if (extension_loaded('memcache') && ini_get('session.save_handler') == 'memcache')
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{
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include(EGW_API_INC.'/memcache.inc.php');
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}
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// check if we can restore the eGW enviroment from the php-session
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if ($GLOBALS['egw_info']['server']['sessions_type'] == 'php4-restore' && $_REQUEST['sessionid'])
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{
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session_name('sessionid');
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ini_set('session.use_cookies',0); // disable the automatic use of cookies, as it uses the path / by default
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session_id($_REQUEST['sessionid']);
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session_start();
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if ($GLOBALS['egw_info']['flags']['currentapp'] != 'login' && $GLOBALS['egw_info']['flags']['currentapp'] != 'logout')
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{
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if (is_array($_SESSION['egw_info_cache']) && is_array($_SESSION['egw_included_files']) && $_SESSION['egw_object_cache'])
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{
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// marking the context as restored from the session, used by session->verify to not read the date from the db again
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$GLOBALS['egw_info']['flags']['restored_from_session'] = true;
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// restoring the egw_info-array
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$flags = $GLOBALS['egw_info']['flags'];
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$GLOBALS['egw_info'] = $_SESSION['egw_info_cache'];
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$GLOBALS['egw_info']['flags'] = $flags;
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unset($flags);
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// including the necessary class-definitions
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foreach($_SESSION['egw_included_files'] as $file)
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{
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//echo "<p>about to include $file</p>\n";
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include_once($file);
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if (basename($file) == 'class.egw_framework.inc.php') break; // the rest is not needed and makes only problems
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}
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$GLOBALS['egw'] = unserialize($_SESSION['egw_object_cache']);
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if (is_object($GLOBALS['egw']))
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{
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$GLOBALS['egw']->wakeup2(); // adapt the restored egw-object/enviroment to this request (eg. changed current app)
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//printf("<p style=\"position: absolute; right: 0px; top: 0px;\">egw-enviroment restored in %d ms</p>\n",1000*(perfgetmicrotime()-$GLOBALS['egw_info']['flags']['page_start_time']));
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if (is_object($GLOBALS['egw']->translation)) return; // exit this file, as the rest of the file creates a new egw-object and -enviroment
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}
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// egw object could NOT be restored from the session, create a new one
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unset($GLOBALS['egw']);
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$GLOBALS['egw_info'] = array('flags'=>$GLOBALS['egw_info']['flags']);
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unset($GLOBALS['egw_info']['flags']['restored_from_session']);
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unset($_SESSION['egw_info_cache']);
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unset($_SESSION['egw_included_files']);
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unset($_SESSION['egw_object_cache']);
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}
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//echo "<p>could not restore egw_info and the egw-object!!!</p>\n";
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}
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else // destroy the session-cache if called by login or logout
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{
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unset($_SESSION['egw_info_cache']);
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unset($_SESSION['egw_included_files']);
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unset($_SESSION['egw_object_cache']);
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}
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}
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print_debug('sane environment','messageonly','api');
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/****************************************************************************\
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* Multi-Domain support *
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\****************************************************************************/
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if (!isset($GLOBALS['egw_info']['server']['default_domain']) || // allow to overwrite the default domain
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!isset($GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]))
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{
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if(isset($GLOBALS['egw_domain'][$_SERVER['SERVER_NAME']]))
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{
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$GLOBALS['egw_info']['server']['default_domain'] = $_SERVER['SERVER_NAME'];
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}
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else
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{
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$domain_part = explode('.',$_SERVER['SERVER_NAME']);
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array_shift($domain_part);
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$domain_part = implode('.',$domain_part);
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if(isset($GLOBALS['egw_domain'][$domain_part]))
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{
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$GLOBALS['egw_info']['server']['default_domain'] = $domain_part;
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}
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else
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{
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reset($GLOBALS['egw_domain']);
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list($GLOBALS['egw_info']['server']['default_domain']) = each($GLOBALS['egw_domain']);
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}
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unset($domain_part);
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}
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}
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if (isset($_POST['login'])) // on login
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{
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$GLOBALS['login'] = $_POST['login'];
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if (strpos($GLOBALS['login'],'@') === False || count($GLOBALS['egw_domain']) == 1)
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{
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$GLOBALS['login'] .= '@' . get_var('logindomain',array('POST'),$GLOBALS['egw_info']['server']['default_domain']);
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}
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$parts = explode('@',$GLOBALS['login']);
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$GLOBALS['egw_info']['user']['domain'] = array_pop($parts);
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}
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else // on "normal" pageview
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{
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$GLOBALS['egw_info']['user']['domain'] = get_var('domain',array('GET','COOKIE'),false);
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}
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if (@isset($GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]))
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{
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$GLOBALS['egw_info']['server']['db_host'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_host'];
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$GLOBALS['egw_info']['server']['db_port'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_port'];
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$GLOBALS['egw_info']['server']['db_name'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_name'];
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$GLOBALS['egw_info']['server']['db_user'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_user'];
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$GLOBALS['egw_info']['server']['db_pass'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_pass'];
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$GLOBALS['egw_info']['server']['db_type'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['user']['domain']]['db_type'];
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}
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else
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{
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$GLOBALS['egw_info']['server']['db_host'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_host'];
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$GLOBALS['egw_info']['server']['db_port'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_port'];
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$GLOBALS['egw_info']['server']['db_name'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_name'];
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$GLOBALS['egw_info']['server']['db_user'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_user'];
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$GLOBALS['egw_info']['server']['db_pass'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_pass'];
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$GLOBALS['egw_info']['server']['db_type'] = $GLOBALS['egw_domain'][$GLOBALS['egw_info']['server']['default_domain']]['db_type'];
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}
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print_debug('domain',@$GLOBALS['egw_info']['user']['domain'],'api');
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// the egw-object instanciates all sub-classes (eg. $GLOBALS['egw']->db) and the egw_info array
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$GLOBALS['egw'] =& CreateObject('phpgwapi.egw',array_keys($GLOBALS['egw_domain']));
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if ($GLOBALS['egw_info']['flags']['currentapp'] != 'login')
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{
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if (!$GLOBALS['egw_info']['server']['show_domain_selectbox'])
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{
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unset ($GLOBALS['egw_domain']); // we kill this for security reasons
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}
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//printf("<p style=\"position: absolute; right: 0px; top: 0px;\">egw-enviroment new created in %d ms</p>\n",1000*(perfgetmicrotime()-$GLOBALS['egw_info']['flags']['page_start_time']));
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}
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// saving the the egw_info array and the egw-object in the session
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if ($GLOBALS['egw_info']['server']['sessions_type'] == 'php4-restore' && $GLOBALS['egw_info']['flags']['currentapp'] != 'login')
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{
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$_SESSION['egw_info_cache'] = $GLOBALS['egw_info'];
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unset($_SESSION['egw_info_cache']['flags']); // dont save the flags, they change on each request
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// exclude 1: caller, 2: the header.inc.php, 3: phpgwapi/setup/setup.inc.php, 4: phpgwapi/inc/functions.inc.php (this file)
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$_SESSION['egw_included_files'] = array();
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foreach(array_slice(get_included_files(),4) as $file)
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{
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switch(basename($file))
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{
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case 'head.inc.php': // needs EGW_TEMPLATE_DIR and is included anyway by common::egw_header()
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case 'functions.inc.php': // not needed/wanted at all
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break;
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default:
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$_SESSION['egw_included_files'][] = $file;
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}
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}
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$_SESSION['egw_object_cache'] = serialize($GLOBALS['egw']);
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}
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/**
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* php5 autoload function for eGroupWare understanding the following naming schema:
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* 1. new (prefered) nameing schema: app_class_something loading app/inc/class.class_something.inc.php
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* 2. API classe: classname loading phpgwapi/inc/class.classname.inc.php
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* 3. eTemplate classes: classname loading etemplate/inc/class.classname.inc.php
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* 4. classes of the current app: classname loading $GLOBALS['egw_info']['flags']['currentapp']/inc/class.classname.inc.php
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*
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* @param string $class name of class to load
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*/
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function __autoload($class)
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{
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list($app) = explode('_',$class);
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// classes using the new naming schema app_class_name, eg. admin_cmd
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if (file_exists($file = EGW_INCLUDE_ROOT.'/'.$app.'/inc/class.'.$class.'.inc.php') ||
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// eGW api classes using the old naming schema, eg. html
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file_exists($file = EGW_API_INC.'/inc/class.'.$class.'.inc.php') ||
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// eGW eTemplate classes using the old naming schema, eg. etemplate
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file_exists($file = EGW_INCLUDE_ROOT.'/etemplate/inc/class.'.$class.'.inc.php') ||
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// classes of the current application using the old naming schema
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file_exists($file = EGW_INCLUDE_ROOT.'/'.$GLOBALS['egw_info']['flags']['currentapp'].'/inc/class.'.$class.'.inc.php'))
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{
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//error_log("autoloaded class $class from $file");
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include_once($file);
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}
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} |