egroupware_official/phpgwapi/inc/functions.inc.php

<?php
	//$debugme = "on";
	 /**************************************************************************\
	 * phpGroupWare API - phpgwapi loader                                       *
	 * This file written by Dan Kuykendall <seek3r@phpgroupware.org>            *
	 * and Joseph Engo <jengo@phpgroupware.org>                                 *
	 * Has a few functions, but primary role is to load the phpgwapi            *
	 * Copyright (C) 2000, 2001 Dan Kuykendall                                  *
	 * -------------------------------------------------------------------------*
	 * This library is part of the phpGroupWare API                             *
	 * http://www.phpgroupware.org/api                                          * 
	 * ------------------------------------------------------------------------ *
	 * This library is free software; you can redistribute it and/or modify it  *
	 * under the terms of the GNU Lesser General Public License as published by *
	 * the Free Software Foundation; either version 2.1 of the License,         *
	 * or any later version.                                                    *
	 * This library is distributed in the hope that it will be useful, but      *
	 * WITHOUT ANY WARRANTY; without even the implied warranty of               *
	 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     *
	 * See the GNU Lesser General Public License for more details.              *
	 * You should have received a copy of the GNU Lesser General Public License *
	 * along with this library; if not, write to the Free Software Foundation,  *
	 * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA            *
	 \**************************************************************************/
	
	 /* $Id$ */
	
	 /****************************************************************************\
	 * If running in PHP3, then load up the support functions file for            *
	 * transparent support.                                                       *
	 \****************************************************************************/

    if (floor(phpversion()) == 3)
    {
		include(PHPGW_API_INC.'/php3_support_functions.inc.php');
    }

	 /****************************************************************************\
	 * Direct functions, which are not part of the API class                      *
	 * because they are require to be availble at the lowest level.               *
	 \****************************************************************************/
	 /*!
	 @function CreateObject
	 @abstract Load a class and include the class file if not done so already.
	 @discussion Author: mdean, milosch (thanks to jengo and ralf)<br>
	 This function is used to create an instance of a class,
	 and if the class file has not been included it will do so. <br>
	 Syntax: CreateObject('app.class', 'constructor_params'); <br>
	 Example1: $phpgw->acl = CreateObject('phpgwapi.acl');
	 @param $classname name of class
	 @param $p1-$p16 class parameters (all optional)
	 */
	function CreateObject($class,
		$p1='_UNDEF_',$p2='_UNDEF_',$p3='_UNDEF_',$p4='_UNDEF_',
		$p5='_UNDEF_',$p6='_UNDEF_',$p7='_UNDEF_',$p8='_UNDEF_',
		$p9='_UNDEF_',$p10='_UNDEF_',$p11='_UNDEF_',$p12='_UNDEF_',
		$p13='_UNDEF_',$p14='_UNDEF_',$p15='_UNDEF_',$p16='_UNDEF_')
	{
		global $phpgw_info, $phpgw;

		if (is_object(@$GLOBALS['phpgw']->log) && $class != 'phpgwapi.error' && $class != 'phpgwapi.errorlog')
		{
			//$GLOBALS['phpgw']->log->write(array('text'=>'D-Debug, dbg: %1','p1'=>'This class was run: '.$class,'file'=>__FILE__,'line'=>__LINE__));
		}

		/* error_reporting(0); */
		list($appname,$classname) = explode(".", $class);

		if (!isset($GLOBALS['phpgw_info']['flags']['included_classes'][$classname]) ||
			!$GLOBALS['phpgw_info']['flags']['included_classes'][$classname])
		{
			$GLOBALS['phpgw_info']['flags']['included_classes'][$classname] = True;
			include(PHPGW_INCLUDE_ROOT.'/'.$appname.'/inc/class.'.$classname.'.inc.php');
		}
		if ($p1 == '_UNDEF_' && $p1 != 1)
		{
			eval('$obj = new ' . $classname . ';');
		}
		else
		{
			$input = array($p1,$p2,$p3,$p4,$p5,$p6,$p7,$p8,$p9,$p10,$p11,$p12,$p13,$p14,$p15,$p16);
			$i = 1;
			$code = '$obj = new ' . $classname . '(';
			while (list($x,$test) = each($input))
			{
				if (($test == '_UNDEF_' && $test != 1 ) || $i == 17)
				{
					break;
				}
				else
				{
					$code .= '$p' . $i . ',';
				}
				$i++;
			}
			$code = substr($code,0,-1) . ');';
			eval($code);
		}
		/* error_reporting(E_ERROR | E_WARNING | E_PARSE); */
		return $obj;
	}

	 /*!
	 @function ExecObject
	 @abstract Execute a function, and load a class and include the class file if not done so already.
	 @discussion Author: seek3r<br>
	 This function is used to create an instance of a class,
	 and if the class file has not been included it will do so. <br>
	 Syntax: ExecObject('app.class', 'constructor_params'); <br>
	 Example1: ExecObject('phpgwapi.acl.read');
	 @param $method to execute
	 @param $functionparams function param should be an array
	 @param $loglevel developers choice of logging level
	 @param $classparams params to be sent to the contructor
	 */
	function ExecMethod($method, $functionparams = '_UNDEF_', $loglevel = 3, $classparams = '_UNDEF_')
	{
		/* Need to make sure this is working against a single dimensional object */
		$partscount = count(explode('.',$method)) - 1;
		if ($partscount == 2)
		{
			list($appname,$classname,$functionname) = explode(".", $method);
			if (!is_object($GLOBALS[$classname]))
			{
				if ($classparams != '_UNDEF_' && ($classparams || $classparams != 'True'))
				{
					$GLOBALS[$classname] = CreateObject($appname.'.'.$classname, $classparams);
				}
				else
				{
					$GLOBALS[$classname] = CreateObject($appname.'.'.$classname);
				}
			}

			if ($functionparams != '_UNDEF_' && ($functionparams || $functionparams != 'True'))
			{
				return $GLOBALS[$classname]->$functionname($functionparams);
			}
			else
			{
				return $GLOBALS[$classname]->$functionname();
			}
		}
		/* if the $method includes a parent class (multi-dimensional) then we have to work from it */
		elseif ($partscount >= 3)
		{
			$GLOBALS['methodparts'] = explode(".", $method);
			$classpartnum = $partscount - 1;
			$appname = $GLOBALS['methodparts'][0];
			$classname = $GLOBALS['methodparts'][$classpartnum];
			$functionname = $GLOBALS['methodparts'][$partscount];
			/* Now I clear these out of the array so that I can do a proper */
			/* loop and build the $parentobject */
			unset ($GLOBALS['methodparts'][0]);
			unset ($GLOBALS['methodparts'][$classpartnum]);
			unset ($GLOBALS['methodparts'][$partscount]);
			reset ($GLOBALS['methodparts']);
			$firstparent = 'True';
			while (list ($key, $val) = each ($GLOBALS['methodparts'])) 
			{
				if ($firstparent == 'True')
				{
					$parentobject = '$GLOBALS["'.$val.'"]';
					$firstparent = False;
				}
				else
				{
					$parentobject .= '->'.$val;
				}
			}
			unset($GLOBALS['methodparts']);
			$code = '$isobject = is_object('.$parentobject.'->'.$classname.');';
			eval ($code);
			if (!$isobject)
			{
				if ($classparams != '_UNDEF_' && ($classparams || $classparams != 'True'))
				{
					if (is_string($classparams))
					{
						eval($parentobject.'->'.$classname.' = CreateObject("'.$appname.'.'.$classname.'", "'.$classparams.'");');
					}
					else
					{
						eval($parentobject.'->'.$classname.' = CreateObject("'.$appname.'.'.$classname.'", '.$classparams.');');
					}
				}
				else
				{
					eval($parentobject.'->'.$classname.' = CreateObject("'.$appname.'.'.$classname.'");');
				}
			}

			if ($functionparams != '_UNDEF_' && ($functionparams || $functionparams != 'True'))
			{
				eval('$returnval = '.$parentobject.'->'.$classname.'->'.$functionname.'('.$functionparams.');');
				return $returnval;
			}
			else
			{
				eval('$returnval = '.$parentobject.'->'.$classname.'->'.$functionname.'();');
				return $returnval;
			}
		}
		else
		{
			return 'error in parts';
		}
	}
	/*!
	 @function lang
	 @abstract function to handle multilanguage support
	 */
	function lang($key,$m1='',$m2='',$m3='',$m4='',$m5='',$m6='',$m7='',$m8='',$m9='',$m10='')
	{
		if(gettype($m1) == 'array')
		{
			$vars = $m1;
		}
		else
		{
			$vars = array($m1,$m2,$m3,$m4,$m5,$m6,$m7,$m8,$m9,$m10);
		}
		$value = $GLOBALS['phpgw']->translation->translate("$key",$vars);
		return $value;
	}

	 /* Just a temp wrapper. ###DELETE_ME#### (Seek3r) */
	function check_code($code)
	{
		return $GLOBALS['phpgw']->common->check_code($code);
	}

	 /*!
	 @function get_account_id()
	 @abstract Return a properly formatted account_id.
	 @discussion Author: skeeter <br>
	 This function will return a properly formatted account_id. <br>
	 This can take either a name or an account_id as paramters. <br>
	 If a name is provided it will return the associated id. <br>
	 Syntax: get_account_id($accountid); <br>
	 Example1: $account_id = get_account_id($accountid);
	 @param $account_id either a name or an id
	 @param $default_id either a name or an id
	 */
	function get_account_id($account_id = '',$default_id = '')
	{
		if (gettype($account_id) == 'integer')
		{
			return $account_id;
		}
		elseif ($account_id == '')
		{
			if ($default_id == '')
			{
				return (isset($GLOBALS['phpgw_info']['user']['account_id'])?$GLOBALS['phpgw_info']['user']['account_id']:0);
			}
			elseif (is_string($default_id))
			{
				return $GLOBALS['phpgw']->accounts->name2id($default_id);
			}
			return intval($default_id);
		}
		elseif (is_string($account_id))
		{
			if($GLOBALS['phpgw']->accounts->exists(intval($account_id)) == True)
			{
				return intval($account_id);
			}
			else
			{
				return $GLOBALS['phpgw']->accounts->name2id($account_id);
			}
		}
	}

	/*!
	 @function filesystem_separator()
	 @abstract sets the file system seperator depending on OS
	 @result file system separator
	*/
	function filesystem_separator()
	{
		if (PHP_OS == 'Windows' || PHP_OS == 'OS/2')
		{
			return '\\';
		}
		else
		{
			return '/';
		}
	}

	function _debug_array($array)
	{
		if(floor(phpversion()) == 4)
		{
			echo '<pre>'; print_r($array); echo '</pre>';
		}
		else
		{
			echo '<pre>'; var_dump($array); echo '</pre>';
		}
	}

	function print_debug($text='')
	{
		if (isset($GLOBALS['debugme']) &&
			$GLOBALS['debugme'] == 'on')
		{
			echo 'debug: '.$text.'<br>';
		}
	}

	//	print_debug('core functions are done');
	/****************************************************************************\
	* Quick verification of sane environment                                     *
	\****************************************************************************/
	//	error_reporting(7);
	 /* Make sure the header.inc.php is current. */
	if ($GLOBALS['phpgw_info']['server']['versions']['header'] < $GLOBALS['phpgw_info']['server']['versions']['current_header'])
	{
		echo '<center><b>You need to port your settings to the new header.inc.php version.</b></center>';
		exit;
	}

	 /* Make sure the developer is following the rules. */
	if (!isset($GLOBALS['phpgw_info']['flags']['currentapp']))
	{
		/* This object does not exist yet. */
	/*	$GLOBALS['phpgw']->log->write(array('text'=>'W-MissingFlags, currentapp flag not set'));*/

		echo '<b>!!! YOU DO NOT HAVE YOUR $phpgw_info["flags"]["currentapp"] SET !!!';
		echo '<br>!!! PLEASE CORRECT THIS SITUATION !!!</b>';
	}

	magic_quotes_runtime(false);
	@print_debug('sane environment');

	/****************************************************************************\
	* Multi-Domain support                                                       *
	\****************************************************************************/

	/* make them fix their header */
	if (!isset($GLOBALS['phpgw_domain']))
	{
		echo '<center><b>The administrator must upgrade the header.inc.php file before you can continue.</b></center>';
		exit;
	}
	reset($GLOBALS['phpgw_domain']);
	$default_domain = each($GLOBALS['phpgw_domain']);
	$GLOBALS['phpgw_info']['server']['default_domain'] = $default_domain[0];
	unset ($default_domain); // we kill this for security reasons

	/* This code will handle virtdomains so that is a user logins with user@domain.com, it will switch into virtualization mode. */
	if (isset($domain))
	{
		$GLOBALS['phpgw_info']['user']['domain'] = $domain;
	}
	elseif (isset($login) && isset($logindomain))
	{
		if (!ereg ("\@", $login))
		{
			$login = $login."@".$logindomain;
		}
		$GLOBALS['phpgw_info']['user']['domain'] = $logindomain;
		unset ($logindomain);
	}
	elseif (isset($login) && !isset($logindomain))
	{
		if (ereg ("\@", $login))
		{
			$login_array = explode("@", $login);
			$GLOBALS['phpgw_info']['user']['domain'] = $login_array[1];
		}
		else
		{
			$GLOBALS['phpgw_info']['user']['domain'] = $GLOBALS['phpgw_info']['server']['default_domain'];
			$login = $login . '@' . $GLOBALS['phpgw_info']['user']['domain'];
		}
	}

	if (@isset($GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['user']['domain']]))
	{
		$GLOBALS['phpgw_info']['server']['db_host'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['user']['domain']]['db_host'];
		$GLOBALS['phpgw_info']['server']['db_name'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['user']['domain']]['db_name'];
		$GLOBALS['phpgw_info']['server']['db_user'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['user']['domain']]['db_user'];
		$GLOBALS['phpgw_info']['server']['db_pass'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['user']['domain']]['db_pass'];
		$GLOBALS['phpgw_info']['server']['db_type'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['user']['domain']]['db_type'];
	}
	else
	{
		$GLOBALS['phpgw_info']['server']['db_host'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['server']['default_domain']]['db_host'];
		$GLOBALS['phpgw_info']['server']['db_name'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['server']['default_domain']]['db_name'];
		$GLOBALS['phpgw_info']['server']['db_user'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['server']['default_domain']]['db_user'];
		$GLOBALS['phpgw_info']['server']['db_pass'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['server']['default_domain']]['db_pass'];
		$GLOBALS['phpgw_info']['server']['db_type'] = $GLOBALS['phpgw_domain'][$GLOBALS['phpgw_info']['server']['default_domain']]['db_type'];
	}

	if ($GLOBALS['phpgw_info']['flags']['currentapp'] != 'login' && ! $GLOBALS['phpgw_info']['server']['show_domain_selectbox'])
	{
		unset ($GLOBALS['phpgw_domain']); // we kill this for security reasons  
	}
	unset ($domain); // we kill this to save memory

	@print_debug('domain: '.$GLOBALS['phpgw_info']['user']['domain']);

	 /****************************************************************************\
	 * These lines load up the API, fill up the $phpgw_info array, etc            *
	 \****************************************************************************/
	 /* Load main class */
	$GLOBALS['phpgw'] = CreateObject('phpgwapi.phpgw');
	 /************************************************************************\
	 * Load up the main instance of the db class.                             *
	 \************************************************************************/
	$GLOBALS['phpgw']->db           = CreateObject('phpgwapi.db');
	$GLOBALS['phpgw']->db->Host     = $GLOBALS['phpgw_info']['server']['db_host'];
	$GLOBALS['phpgw']->db->Type     = $GLOBALS['phpgw_info']['server']['db_type'];
	$GLOBALS['phpgw']->db->Database = $GLOBALS['phpgw_info']['server']['db_name'];
	$GLOBALS['phpgw']->db->User     = $GLOBALS['phpgw_info']['server']['db_user'];
	$GLOBALS['phpgw']->db->Password = $GLOBALS['phpgw_info']['server']['db_pass'];
	if ($GLOBALS['phpgw']->debug)
	{
		$GLOBALS['phpgw']->db->Debug = 1;
	}

	$GLOBALS['phpgw']->db->Halt_On_Error = 'no';
	@$GLOBALS['phpgw']->db->query("select count(config_name) from phpgw_config");
	if (! @$GLOBALS['phpgw']->db->next_record())
	{
		$setup_dir = ereg_replace($PHP_SELF,'index.php','setup/');
		echo '<center><b>Fatal Error:</b> It appears that you have not created the database tables for '
		.'phpGroupWare.  Click <a href="' . $setup_dir . '">here</a> to run setup.</center>';
		exit;
	}
	$GLOBALS['phpgw']->db->Halt_On_Error = 'yes';

	 /* Fill phpgw_info["server"] array */
	 // An Attempt to speed things up using cache premise
	$GLOBALS['phpgw']->db->query("select config_value from phpgw_config WHERE config_app='phpgwapi' and config_name='cache_phpgw_info'",__LINE__,__FILE__);
	if ($GLOBALS['phpgw']->db->num_rows())
	{
		$GLOBALS['phpgw']->db->next_record();
		$GLOBALS['phpgw_info']['server']['cache_phpgw_info'] = stripslashes($GLOBALS['phpgw']->db->f('config_value'));
	}

	$cache_query = "select content from phpgw_app_sessions where"
		." sessionid = '0' and loginid = '0' and app = 'phpgwapi' and location = 'config'";

	$GLOBALS['phpgw']->db->query($cache_query,__LINE__,__FILE__);
	$server_info_cache = $GLOBALS['phpgw']->db->num_rows();

	if(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info'] && $server_info_cache)
	{
		$GLOBALS['phpgw']->db->next_record();
		$GLOBALS['phpgw_info']['server'] = unserialize(stripslashes($GLOBALS['phpgw']->db->f('content')));
	}
	else
	{
		$GLOBALS['phpgw']->db->query("select * from phpgw_config WHERE config_app='phpgwapi'",__LINE__,__FILE__);
		while ($GLOBALS['phpgw']->db->next_record())
		{
			$GLOBALS['phpgw_info']['server'][$GLOBALS['phpgw']->db->f('config_name')] = stripslashes($GLOBALS['phpgw']->db->f('config_value'));
		}

		if($GLOBALS['phpgw_info']['server']['cache_phpgw_info'])
		{
			if($server_info_cache)
			{
				$cache_query = "UPDATE phpgw_app_sessions set content='".addslashes(serialize($GLOBALS['phpgw_info']['server']))."'"
					." WHERE sessionid = '0' and loginid = '0' and app = 'phpgwapi' and location = 'config'";
			}
			else
			{
				$cache_query = 'INSERT INTO phpgw_app_sessions(sessionid,loginid,app,location,content) VALUES('
					. "'0','0','phpgwapi','config','".addslashes(serialize($GLOBALS['phpgw_info']['server']))."')";
			}
			$GLOBALS['phpgw']->db->query($cache_query,__LINE__,__FILE__);
		}
	}
	unset($cache_query);
	unset($server_info_cache);
	 /************************************************************************\
	 * Required classes                                                       *
	 \************************************************************************/
	$GLOBALS['phpgw']->log          = CreateObject('phpgwapi.errorlog');
	$GLOBALS['phpgw']->common       = CreateObject('phpgwapi.common');
	$GLOBALS['phpgw']->hooks        = CreateObject('phpgwapi.hooks');
	$GLOBALS['phpgw']->auth         = CreateObject('phpgwapi.auth');
	$GLOBALS['phpgw']->accounts     = CreateObject('phpgwapi.accounts');
	$GLOBALS['phpgw']->acl          = CreateObject('phpgwapi.acl');
	$GLOBALS['phpgw']->session      = CreateObject('phpgwapi.sessions');
	$GLOBALS['phpgw']->preferences  = CreateObject('phpgwapi.preferences');
	$GLOBALS['phpgw']->applications = CreateObject('phpgwapi.applications');
	$GLOBALS['phpgw']->translation  = CreateObject('phpgwapi.translation');
	//	$GLOBALS['phpgw']->datetime = CreateObject('phpgwapi.datetime');
	print_debug('main class loaded');
	if (! isset($phpgw_info['flags']['included_classes']['error']) ||
		! $phpgw_info['flags']['included_classes']['error'])
	{
		$phpgw_info['flags']['included_classes']['error'] = True;
		include(PHPGW_INCLUDE_ROOT.'/phpgwapi/inc/class.error.inc.php');
	}

	 /****************************************************************************\
	 * This is a global constant that should be used                              *
	 * instead of / or \ in file paths                                            *
	 \****************************************************************************/
	define('SEP',filesystem_separator());

	/*****************************************************************************\
	* ACL defines - moved here to work for xml-rpc/soap, also                     *
	\*****************************************************************************/
	define('PHPGW_ACL_READ',1);
	define('PHPGW_ACL_ADD',2);
	define('PHPGW_ACL_EDIT',4);
	define('PHPGW_ACL_DELETE',8);
	define('PHPGW_ACL_PRIVATE',16);

	 /****************************************************************************\
	 * Stuff to use if logging in or logging out                                  *
	 \****************************************************************************/
	if ($GLOBALS['phpgw_info']['flags']['currentapp'] == 'login' || $GLOBALS['phpgw_info']['flags']['currentapp'] == 'logout')
	{
		if ($GLOBALS['phpgw_info']['flags']['currentapp'] == 'login')
		{
			if (@$login != '')
			{
				$login_array = explode("@",$login);
				$login_id = $GLOBALS['phpgw']->accounts->name2id($login_array[0]);
				$GLOBALS['phpgw']->accounts->accounts($login_id);
				$GLOBALS['phpgw']->preferences->preferences($login_id);
			}
		}
	/****************************************************************************\
	 * Everything from this point on will ONLY happen if                        *
	 * the currentapp is not login or logout                                    *
	\****************************************************************************/
	}
	else
	{
		if (! $GLOBALS['phpgw']->session->verify())
		{
			Header('Location: ' . $GLOBALS['phpgw']->redirect($GLOBALS['phpgw']->session->link('/login.php','cd=10')));
			exit;
		}

		/* A few hacker resistant constants that will be used throught the program */
		define('PHPGW_TEMPLATE_DIR', ExecMethod('phpgwapi.phpgw.common.get_tpl_dir', 'phpgwapi'));
		define('PHPGW_IMAGES_DIR', ExecMethod('phpgwapi.phpgw.common.get_image_path', 'phpgwapi'));
		define('PHPGW_IMAGES_FILEDIR', ExecMethod('phpgwapi.phpgw.common.get_image_dir', 'phpgwapi'));
		define('PHPGW_APP_ROOT', ExecMethod('phpgwapi.phpgw.common.get_app_dir'));
		define('PHPGW_APP_INC', ExecMethod('phpgwapi.phpgw.common.get_inc_dir'));
		define('PHPGW_APP_TPL', ExecMethod('phpgwapi.phpgw.common.get_tpl_dir'));
		define('PHPGW_IMAGES', ExecMethod('phpgwapi.phpgw.common.get_image_path'));
		define('PHPGW_APP_IMAGES_DIR', ExecMethod('phpgwapi.phpgw.common.get_image_dir'));

		/*	define('PHPGW_APP_IMAGES_DIR', $GLOBALS['phpgw']->common->get_image_dir()); */

		/* Moved outside of this logic
		define('PHPGW_ACL_READ',1);
		define('PHPGW_ACL_ADD',2);
		define('PHPGW_ACL_EDIT',4);
		define('PHPGW_ACL_DELETE',8);
		define('PHPGW_ACL_PRIVATE',16);
		*/

		/********* This sets the user variables *********/
		$GLOBALS['phpgw_info']['user']['private_dir'] = $GLOBALS['phpgw_info']['server']['files_dir']
			. '/users/'.$GLOBALS['phpgw_info']['user']['userid'];

		/* This will make sure that a user has the basic default prefs. If not it will add them */
		$GLOBALS['phpgw']->preferences->verify_basic_settings();

		/********* Optional classes, which can be disabled for performance increases *********/
		while ($phpgw_class_name = each($GLOBALS['phpgw_info']['flags']))
		{
			if (ereg('enable_',$phpgw_class_name[0]))
			{
				$enable_class = str_replace('enable_','',$phpgw_class_name[0]);
				$enable_class = str_replace('_class','',$enable_class);
				eval('$GLOBALS["phpgw"]->' . $enable_class . ' = createobject(\'phpgwapi.' . $enable_class . '\');');
			}
		}
		unset($enable_class);
		reset($GLOBALS['phpgw_info']['flags']);

		/*************************************************************************\
		* These lines load up the templates class                                 *
		\*************************************************************************/
		if(!@$GLOBALS['phpgw_info']['flags']['disable_Template_class'])
		{
			$GLOBALS['phpgw']->template = CreateObject('phpgwapi.Template',PHPGW_APP_TPL);
		}

		/*************************************************************************\
		* These lines load up the themes                                          *
		\*************************************************************************/
		if (! $GLOBALS['phpgw_info']['user']['preferences']['common']['theme'])
		{
			if ($GLOBALS['phpgw_info']['server']['template_set'] == 'user_choice')
			{
				$GLOBALS['phpgw_info']['user']['preferences']['common']['theme'] = 'default';
			}
			else
			{
				$GLOBALS['phpgw_info']['user']['preferences']['common']['theme'] = $GLOBALS['phpgw_info']['server']['template_set'];
			}
		}

		if ($GLOBALS['phpgw_info']['server']['force_theme'] == 'user_choice')
		{
			$theme_to_load = (isset($GLOBALS['phpgw_info']['user']['preferences']['common']['theme'])?$GLOBALS['phpgw_info']['user']['preferences']['common']['theme']:'default');
		}
		else
		{
			$theme_to_load = (isset($GLOBALS['phpgw_info']['server']['force_theme'])?$GLOBALS['phpgw_info']['server']['force_theme']:'default');
		}

		if(@file_exists(PHPGW_SERVER_ROOT . '/phpgwapi/themes/' . $theme_to_load . '.theme'))
		{
			include(PHPGW_SERVER_ROOT . '/phpgwapi/themes/' . $theme_to_load . '.theme');
		}
		elseif(@file_exists(PHPGW_SERVER_ROOT . '/phpgwapi/themes/default.theme'))
		{
			include(PHPGW_SERVER_ROOT . '/phpgwapi/themes/default.theme');
		}
		else
		{
			/* Hope we don't get to this point.  Better then the user seeing a */
			/* complety back screen and not know whats going on                */
			echo '<body bgcolor="FFFFFF">';
			$phpgw->log->write(array('text'=>'F-Abort, No themes found'));

			exit;
		}
		unset($theme_to_load);

		/*************************************************************************\
		* If they are using frames, we need to set some variables                 *
		\*************************************************************************/
		if (((isset($GLOBALS['phpgw_info']['user']['preferences']['common']['useframes']) &&
			$GLOBALS['phpgw_info']['user']['preferences']['common']['useframes']) && 
			$GLOBALS['phpgw_info']['server']['useframes'] == 'allowed') ||
			($GLOBALS['phpgw_info']['server']['useframes'] == 'always'))
		{
			$GLOBALS['phpgw_info']['flags']['navbar_target'] = 'phpgw_body';
		}

		/*************************************************************************\
		* Verify that the users session is still active otherwise kick them out   *
		\*************************************************************************/
		if ($GLOBALS['phpgw_info']['flags']['currentapp'] != 'home' &&
			$GLOBALS['phpgw_info']['flags']['currentapp'] != 'preferences' &&
			$GLOBALS['phpgw_info']['flags']['currentapp'] != 'about')
		{
			// This will need to use ACL in the future
			if (! $GLOBALS['phpgw_info']['user']['apps'][$GLOBALS['phpgw_info']['flags']['currentapp']] ||
				(@$GLOBALS['phpgw_info']['flags']['admin_only'] &&
				! $GLOBALS['phpgw_info']['user']['apps']['admin']))
			{
				$GLOBALS['phpgw']->common->phpgw_header();
				if ($GLOBALS['phpgw_info']['flags']['noheader'])
				{
					echo parse_navbar();
				}

				$phpgw->log->write(array('text'=>'W-Permissions, Attempted to access %1','p1'=>$GLOBALS['phpgw_info']['flags']['currentapp']));

				echo '<p><center><b>'.lang('Access not permitted').'</b></center>';
				$GLOBALS['phpgw']->common->phpgw_exit(True);
			}
		}

		/*************************************************************************\
		* Load the header unless the developer turns it off                       *
		\*************************************************************************/
		if (!@$GLOBALS['phpgw_info']['flags']['noheader'])
		{
			$GLOBALS['phpgw']->common->phpgw_header();
		}

		/*************************************************************************\
		* Load the app include files if the exists                                *
		\*************************************************************************/
		/* Then the include file */
		if (! preg_match ("/phpgwapi/i", PHPGW_APP_INC) && file_exists(PHPGW_APP_INC . '/functions.inc.php') && !isset($menuaction))
		{
			include(PHPGW_APP_INC . '/functions.inc.php');
		}
		if (!@$GLOBALS['phpgw_info']['flags']['noheader'] && 
			!@$GLOBALS['phpgw_info']['flags']['noappheader'] &&
			file_exists(PHPGW_APP_INC . '/header.inc.php') && !isset($menuaction))
		{
			include(PHPGW_APP_INC . '/header.inc.php');
		}
	}

	error_reporting(E_ERROR | E_WARNING | E_PARSE);