<?php
	/*************************************************************************************\
	* Expresso Administração                 						           			 *
	* by Joao Alfredo Knopik Junior (joao.alfredo@gmail.com, jakjr@celepar.pr.gov.br)  	 *
	* -----------------------------------------------------------------------------------*
	*  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.														 *
	\*************************************************************************************/

	class totalsessions
	{
		var $functions;
		var $template;
		var $bo;
		var $public_functions = array(
			'show_total_sessions'	=> True
		);

		function totalsessions()
		{
			$this->functions = createobject('expressoAdmin1_2.functions');
			$account_lid = $GLOBALS['phpgw']->accounts->data['account_lid'];
			$tmp = $this->functions->read_acl($account_lid);
			$manager_context = $tmp[0]['context'];
			// Verifica se o administrador tem acesso.
			if (!$this->functions->check_acl($account_lid,'view_global_sessions'))
			{
				$GLOBALS['phpgw']->redirect($GLOBALS['phpgw']->link('/expressoAdmin1_2/inc/access_denied.php'));
			}
			
			$this->template = CreateObject('phpgwapi.Template',PHPGW_APP_TPL);
		}

		function show_total_sessions()
		{
			$GLOBALS['phpgw_info']['flags']['app_header'] = 'ExpressoAdmin - '.lang('Total Sessions');
			$GLOBALS['phpgw']->common->phpgw_header();
			echo parse_navbar();

			$this->template->set_file('template','totalsessions.tpl');
			$this->template->set_block('template','list','list');
			
			$this->template->set_var($this->functions->make_dinamic_lang($this->template, 'list'));

			$total = $this->get_total_sessions();
			
			$this->template->set_var('back_url', $GLOBALS['phpgw']->link('/expressoAdmin1_2/index.php'));
			$this->template->set_var('total', $total);

			$this->template->pfp('out','list');
		}
		
		function get_total_sessions()
		{
			$values = array();
			$dir = @opendir($path = ini_get('session.save_path'));
			$total = 0;
			
			if (!$dir)	// eg. openbasedir restrictions
			{
				return $values;
			}
			while ($file = readdir($dir))
			{
				if (substr($file,0,5) != 'sess_')
				{
					continue;
				}
				if (!is_readable($path. '/' . $file))
				{
					continue;	// happens if webserver runs multiple user-ids
				}
				
				$fd = fopen ($path . '/' . $file,'r');
				$session = @fread ($fd, 50);
				fclose ($fd);

				if (strstr($session,'phpgw_session|') === FALSE)
				{
					continue;
				}
				
				$total++;
			}
			closedir($dir);
			return $total;
		}
	}