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c1f1985564
bug [ 1026623 ] Sitemanager site can't be viewed anonymously with PHP session: - cant reproduce it on my system, but silencing it does no harm
298 lines
9.4 KiB
PHP
298 lines
9.4 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - Session management *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* and Ralf Becker <ralfbecker@outdoor-training.de> *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* -------------------------------------------------------------------------*
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* This library is part of the phpGroupWare API *
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* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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class sessions extends sessions_
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{
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function sessions()
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{
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$this->sessions_();
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//controls the time out for php4 sessions - skwashd 18-May-2003
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ini_set('session.gc_maxlifetime', $GLOBALS['phpgw_info']['server']['sessions_timeout']);
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session_name('sessionid');
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}
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function read_session()
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{
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if (!$this->sessionid)
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{
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return False;
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}
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session_id($this->sessionid);
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session_start();
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return $GLOBALS['phpgw_session'] = $_SESSION['phpgw_session'];
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}
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function set_cookie_params($domain)
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{
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session_set_cookie_params(0,'/',$domain);
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}
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function new_session_id()
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{
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session_start();
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return session_id();
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}
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function register_session($login,$user_ip,$now,$session_flags)
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{
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// session_start() is now called in new_session_id() !!!
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$GLOBALS['phpgw_session']['session_id'] = $this->sessionid;
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$GLOBALS['phpgw_session']['session_lid'] = $login;
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$GLOBALS['phpgw_session']['session_ip'] = $user_ip;
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$GLOBALS['phpgw_session']['session_logintime'] = $now;
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$GLOBALS['phpgw_session']['session_dla'] = $now;
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$GLOBALS['phpgw_session']['session_action'] = $_SERVER['PHP_SELF'];
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$GLOBALS['phpgw_session']['session_flags'] = $session_flags;
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// we need the install-id to differ between serveral installs shareing one tmp-dir
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$GLOBALS['phpgw_session']['session_install_id'] = $GLOBALS['phpgw_info']['server']['install_id'];
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session_register('phpgw_session');
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$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
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}
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// This will update the DateLastActive column, so the login does not expire
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function update_dla()
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{
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if (@isset($_GET['menuaction']))
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{
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$action = $_GET['menuaction'];
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}
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else
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{
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$action = $_SERVER['PHP_SELF'];
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}
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// This way XML-RPC users aren't always listed as
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// xmlrpc.php
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if ($this->xmlrpc_method_called)
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{
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$action = $this->xmlrpc_method_called;
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}
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$GLOBALS['phpgw_session']['session_dla'] = time();
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$GLOBALS['phpgw_session']['session_action'] = $action;
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session_register('phpgw_session');
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$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
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return True;
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}
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function destroy($sessionid, $kp3)
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{
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if (!$sessionid && $kp3)
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{
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return False;
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}
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$this->log_access($this->sessionid); // log logout-time
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// Only do the following, if where working with the current user
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if ($sessionid == $GLOBALS['phpgw_info']['user']['sessionid'])
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{
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session_unset();
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//echo "<p>sessions_php4::destroy: session_destroy() returned ".(session_destroy() ? 'True' : 'False')."</p>\n";
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@session_destroy();
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if ($GLOBALS['phpgw_info']['server']['usecookies'])
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{
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$this->phpgw_setcookie(session_name());
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}
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}
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else
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{
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$sessions = $this->list_sessions(0,'','',True);
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if (isset($sessions[$sessionid]))
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{
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//echo "<p>session_php4::destroy($session_id): unlink('".$sessions[$sessionid]['php_session_file'].")</p>\n";
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@unlink($sessions[$sessionid]['php_session_file']);
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}
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}
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return True;
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}
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/*************************************************************************\
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* Functions for appsession data and session cache *
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\*************************************************************************/
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function delete_cache($accountid='')
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{
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$account_id = get_account_id($accountid,$this->account_id);
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$GLOBALS['phpgw_session']['phpgw_app_sessions']['phpgwapi']['phpgw_info_cache'] = '';
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session_register('phpgw_session');
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$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
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}
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function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
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{
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if (! $appname)
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{
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$appname = $GLOBALS['phpgw_info']['flags']['currentapp'];
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}
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/* This allows the user to put '' as the value. */
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if ($data == '##NOTHING##')
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{
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// I added these into seperate steps for easier debugging
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$data = $GLOBALS['phpgw_session']['phpgw_app_sessions'][$appname][$location]['content'];
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/* do not decrypt and return if no data (decrypt returning garbage) */
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if($data)
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{
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$data = $GLOBALS['phpgw']->crypto->decrypt($data);
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//echo "appsession returning: location='$location',app='$appname',data=$data"; _debug_array($data);
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return $data;
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}
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}
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else
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{
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$encrypteddata = $GLOBALS['phpgw']->crypto->encrypt($data);
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$GLOBALS['phpgw_session']['phpgw_app_sessions'][$appname][$location]['content'] = $encrypteddata;
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session_register('phpgw_session');
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$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
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return $data;
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}
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}
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function session_sort($a,$b)
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{
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$sign = strcasecmp($GLOBALS['phpgw']->session->sort_order,'ASC') ? 1 : -1;
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return strcasecmp(
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$a[$GLOBALS['phpgw']->session->sort_by],
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$b[$GLOBALS['phpgw']->session->sort_by]
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) * $sign;
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}
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/*!
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@function list_sessions
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@abstract get list of normal / non-anonymous sessions
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@note The data form the session-files get cached in the app_session phpgwapi/php4_session_cache
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@author ralfbecker
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*/
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function list_sessions($start,$order,$sort,$all_no_sort = False)
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{
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//echo "<p>session_php4::list_sessions($start,'$order','$sort',$all)</p>\n";
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$session_cache = $this->appsession('php4_session_cache','phpgwapi');
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$values = array();
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$maxmatchs = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
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$dir = @opendir($path = ini_get('session.save_path'));
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if (!$dir) // eg. openbasedir restrictions
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{
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return $values;
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}
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while ($file = readdir($dir))
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{
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if (substr($file,0,5) != 'sess_')
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{
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continue;
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}
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if (isset($session_cache[$file])) // use copy from cache
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{
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$session = $session_cache[$file];
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if ($session['session_flags'] == 'A' || !$session['session_id'] ||
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$session['session_install_id'] != $GLOBALS['phpgw_info']['server']['install_id'])
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{
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continue; // no anonymous sessions or other domains or installations
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}
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if (!$all_no_sort) // we need the up-to-date data --> unset and reread it
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{
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unset($session_cache[$file]);
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}
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}
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if (!isset($session_cache[$file])) // not in cache, read and cache it
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{
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if (!is_readable($path. '/' . $file))
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{
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continue; // happens if webserver runs multiple user-ids
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}
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$session = '';
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if (($fd = fopen ($path . '/' . $file,'r')))
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{
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$session = ($size = filesize ($path . '/' . $file)) ? fread ($fd, $size) : 0;
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fclose ($fd);
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}
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if (substr($session,0,14) != 'phpgw_session|')
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{
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continue;
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}
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$session = unserialize(substr($session,14));
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unset($session['phpgw_app_sessions']); // not needed, saves memory
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$session_cache[$file] = $session;
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}
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if($session['session_flags'] == 'A' || !$session['session_id'] ||
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$session['session_install_id'] != $GLOBALS['phpgw_info']['server']['install_id'])
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{
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continue; // no anonymous sessions or other domains or installations
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}
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//echo "file='$file'=<pre>"; print_r($session); echo "</pre>";
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$session['php_session_file'] = $path . '/' . $file;
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$values[$session['session_id']] = $session;
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}
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closedir($dir);
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if(!$all_no_sort)
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{
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$GLOBALS['phpgw']->session->sort_by = $sort;
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$GLOBALS['phpgw']->session->sort_order = $order;
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uasort($values,array('sessions','session_sort'));
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$i = 0;
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$start = (int)$start;
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foreach($values as $id => $data)
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{
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if($i < $start || $i > $start+$maxmatchs)
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{
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unset($values[$id]);
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}
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++$i;
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}
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reset($values);
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}
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$this->appsession('php4_session_cache','phpgwapi',$session_cache);
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return $values;
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}
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/*!
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@function total
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@abstract get number of normal / non-anonymous sessions
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@author ralfbecker
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*/
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function total()
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{
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return count($this->list_sessions(0,'','',True));
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}
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}
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