forked from extern/egroupware
"fixed problem of under some conditions not loaded adodb classes for php4-restore"
This commit is contained in:
Ralf Becker
parent
57293bca75
commit
ac38fe77ff
@ -1,326 +1,339 @@
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<?php
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/**
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* eGW's Session Management
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*
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* This allows eGroupWare to use php or database sessions
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*
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* @link www.egroupware.org
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* @author NetUSE AG Boris Erdmann, Kristian Koehntopp
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* @author Dan Kuykendall <seek3r@phpgroupware.org>
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* @author Joseph Engo <jengo@phpgroupware.org>
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* @author Ralf Becker <ralfbecker@outdoor-training.de>
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* @copyright © 1998-2000 NetUSE AG Boris Erdmann, Kristian Koehntopp <br> © 2003 FreeSoftware Foundation
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* @license LGPL
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* @version $Id$
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*/
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/**
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* eGW's Session Management
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*
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* This allows eGroupWare to use php or database sessions
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*
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* @link www.egroupware.org
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* @author NetUSE AG Boris Erdmann, Kristian Koehntopp
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* @author Dan Kuykendall <seek3r@phpgroupware.org>
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* @author Joseph Engo <jengo@phpgroupware.org>
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* @author Ralf Becker <ralfbecker@outdoor-training.de>
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* @copyright © 1998-2000 NetUSE AG Boris Erdmann, Kristian Koehntopp <br> © 2003 FreeSoftware Foundation
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* @license LGPL
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* @version $Id$
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*/
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define('EGW_SESSION_VAR','egw_session'); // where to store our session-data $_SESSION[EGW_SESSION_VAR]
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define('EGW_SESSION_VAR','egw_session'); // where to store our session-data $_SESSION[EGW_SESSION_VAR]
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/**
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* Session Management via php sessions
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*
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* @package api
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* @subpackage sessions
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*/
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class sessions extends sessions_
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{
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var $save_session_vars_start;
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function sessions($domain_names=null)
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{
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$this->save_session_vars_start = $_SESSION; // store already set session vars
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$this->sessions_($domain_names);
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//controls the time out for php4 sessions - skwashd 18-May-2003
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ini_set('session.gc_maxlifetime', $GLOBALS['egw_info']['server']['sessions_timeout']);
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session_name('sessionid');
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}
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/**
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* Session Management via php sessions
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* commit the sessiondata to the filesystem
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*
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* @package api
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* @subpackage sessions
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* @return bool
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*/
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class sessions extends sessions_
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function commit_session()
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{
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session_write_close();
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return true;
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}
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function sessions($domain_names=null)
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function read_session()
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{
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if (!$this->sessionid)
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{
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$this->sessions_($domain_names);
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//controls the time out for php4 sessions - skwashd 18-May-2003
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ini_set('session.gc_maxlifetime', $GLOBALS['egw_info']['server']['sessions_timeout']);
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session_name('sessionid');
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return False;
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}
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session_id($this->sessionid);
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session_start();
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return $_SESSION[EGW_SESSION_VAR];
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}
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/**
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* Set paramaters for cookies - only implemented in PHP4 sessions
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*
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* @param string $domain domain name to use in cookie
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* @param string $path='/' path to use in cookie
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*/
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function set_cookie_params($domain,$path='/')
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{
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session_set_cookie_params(0,$path,$domain);
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}
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/**
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* Create a new session id, called by session::create()
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*
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* Reimplemented to use php session-id
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*
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* @return string a new session id
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*/
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function new_session_id()
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{
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session_start();
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return session_id();
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}
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function register_session($login,$user_ip,$now,$session_flags)
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{
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// restore session vars set before session was started
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if ($this->save_session_vars_start && is_array($this->save_session_vars_start))
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{
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foreach($this->save_session_vars_start as $name => &$value)
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{
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//error_log(__METHOD__."() added $name=".array2string($value));
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$_SESSION[$name] =& $value;
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}
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unset($this->save_session_vars_start);
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}
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$_SESSION[EGW_SESSION_VAR]['session_id'] = $this->sessionid;
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$_SESSION[EGW_SESSION_VAR]['session_lid'] = $login;
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$_SESSION[EGW_SESSION_VAR]['session_ip'] = $user_ip;
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$_SESSION[EGW_SESSION_VAR]['session_logintime'] = $now;
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$_SESSION[EGW_SESSION_VAR]['session_dla'] = $now;
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$_SESSION[EGW_SESSION_VAR]['session_action'] = $_SERVER['PHP_SELF'];
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$_SESSION[EGW_SESSION_VAR]['session_flags'] = $session_flags;
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// we need the install-id to differ between serveral installs shareing one tmp-dir
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$_SESSION[EGW_SESSION_VAR]['session_install_id'] = $GLOBALS['egw_info']['server']['install_id'];
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}
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// This will update the DateLastActive column, so the login does not expire
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function update_dla()
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{
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if (@isset($_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 = $_SERVER['PHP_SELF'];
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}
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/**
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* commit the sessiondata to the filesystem
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*
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* @return bool
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*/
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function commit_session() {
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session_write_close();
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return true;
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// This way XML-RPC users aren't always listed as
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// xmlrpc.php
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if ($this->xmlrpc_method_called)
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{
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$action = $this->xmlrpc_method_called;
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}
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function read_session()
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$_SESSION[EGW_SESSION_VAR]['session_dla'] = time();
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$_SESSION[EGW_SESSION_VAR]['session_action'] = $action;
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return True;
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}
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function destroy($sessionid, $kp3)
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{
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if (!$sessionid && $kp3)
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{
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if (!$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 $_SESSION[EGW_SESSION_VAR];
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return False;
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}
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/**
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* Set paramaters for cookies - only implemented in PHP4 sessions
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*
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* @param string $domain domain name to use in cookie
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* @param string $path='/' path to use in cookie
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*/
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function set_cookie_params($domain,$path='/')
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$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 == $GLOBALS['egw_info']['user']['sessionid'])
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{
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session_set_cookie_params(0,$path,$domain);
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session_unset();
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//echo "<p>sessions_php4::destroy: session_destroy() returned ".(session_destroy() ? 'True' : 'False')."</p>\n";
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@session_destroy();
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if ($GLOBALS['egw_info']['server']['usecookies'])
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{
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$this->egw_setcookie(session_name());
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}
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}
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else
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{
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$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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/**
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* Create a new session id, called by session::create()
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*
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* Reimplemented to use php session-id
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*
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* @return string a new session id
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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 True;
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}
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return session_id();
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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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$_SESSION[EGW_SESSION_VAR]['app_sessions']['phpgwapi']['phpgw_info_cache'] = '';
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}
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function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
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{
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if (! $appname)
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{
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$appname = $GLOBALS['egw_info']['flags']['currentapp'];
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}
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function register_session($login,$user_ip,$now,$session_flags)
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/* This allows the user to put '' as the value. */
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if ($data === '##NOTHING##')
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{
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// session_start() is now called in new_session_id() !!!
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$_SESSION[EGW_SESSION_VAR]['session_id'] = $this->sessionid;
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$_SESSION[EGW_SESSION_VAR]['session_lid'] = $login;
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$_SESSION[EGW_SESSION_VAR]['session_ip'] = $user_ip;
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$_SESSION[EGW_SESSION_VAR]['session_logintime'] = $now;
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$_SESSION[EGW_SESSION_VAR]['session_dla'] = $now;
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$_SESSION[EGW_SESSION_VAR]['session_action'] = $_SERVER['PHP_SELF'];
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$_SESSION[EGW_SESSION_VAR]['session_flags'] = $session_flags;
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// we need the install-id to differ between serveral installs shareing one tmp-dir
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$_SESSION[EGW_SESSION_VAR]['session_install_id'] = $GLOBALS['egw_info']['server']['install_id'];
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/* do not decrypt and return if no data (decrypt returning garbage) */
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if($_SESSION[EGW_SESSION_VAR]['app_sessions'][$appname][$location])
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{
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return $GLOBALS['egw']->crypto->decrypt($_SESSION[EGW_SESSION_VAR]['app_sessions'][$appname][$location]);
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}
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return false;
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}
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$_SESSION[EGW_SESSION_VAR]['app_sessions'][$appname][$location] = $GLOBALS['egw']->crypto->encrypt($data);
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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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return $data;
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}
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function session_sort($a,$b)
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{
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$sign = strcasecmp($GLOBALS['egw']->session->sort_order,'ASC') ? 1 : -1;
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return strcasecmp(
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$a[$GLOBALS['egw']->session->sort_by],
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$b[$GLOBALS['egw']->session->sort_by]
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) * $sign;
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}
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/**
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* get list of normal / non-anonymous sessions (works only for session.handler = files!, but that's the default)
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*
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* The data from the session-files get cached in the app_session phpgwapi/php4_session_cache
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*
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* @author RalfBecker-AT-outdoor-training.de
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*/
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function list_sessions($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 = $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'];
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$dir = @opendir($path = ini_get('session.save_path'));
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if (!$dir || !@file_exists($path.'/.')) // eg. openbasedir restrictions, or dir not listable
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{
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if (@isset($_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 = $this->xmlrpc_method_called;
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}
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$_SESSION[EGW_SESSION_VAR]['session_dla'] = time();
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$_SESSION[EGW_SESSION_VAR]['session_action'] = $action;
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return True;
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}
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function destroy($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 == $GLOBALS['egw_info']['user']['sessionid'])
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{
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session_unset();
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//echo "<p>sessions_php4::destroy: session_destroy() returned ".(session_destroy() ? 'True' : 'False')."</p>\n";
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@session_destroy();
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if ($GLOBALS['egw_info']['server']['usecookies'])
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{
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$this->egw_setcookie(session_name());
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}
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}
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else
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{
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$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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$_SESSION[EGW_SESSION_VAR]['app_sessions']['phpgwapi']['phpgw_info_cache'] = '';
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}
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function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
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{
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if (! $appname)
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{
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$appname = $GLOBALS['egw_info']['flags']['currentapp'];
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}
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/* This allows the user to put '' as the value. */
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if ($data === '##NOTHING##')
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{
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/* do not decrypt and return if no data (decrypt returning garbage) */
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if($_SESSION[EGW_SESSION_VAR]['app_sessions'][$appname][$location])
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{
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return $GLOBALS['egw']->crypto->decrypt($_SESSION[EGW_SESSION_VAR]['app_sessions'][$appname][$location]);
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}
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return false;
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}
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$_SESSION[EGW_SESSION_VAR]['app_sessions'][$appname][$location] = $GLOBALS['egw']->crypto->encrypt($data);
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return $data;
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}
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function session_sort($a,$b)
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{
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$sign = strcasecmp($GLOBALS['egw']->session->sort_order,'ASC') ? 1 : -1;
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return strcasecmp(
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$a[$GLOBALS['egw']->session->sort_by],
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$b[$GLOBALS['egw']->session->sort_by]
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) * $sign;
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}
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|
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/**
|
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* get list of normal / non-anonymous sessions (works only for session.handler = files!, but that's the default)
|
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*
|
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* The data from the session-files get cached in the app_session phpgwapi/php4_session_cache
|
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*
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* @author RalfBecker-AT-outdoor-training.de
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*/
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function list_sessions($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 = $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'];
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$dir = @opendir($path = ini_get('session.save_path'));
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if (!$dir || !@file_exists($path.'/.')) // eg. openbasedir restrictions, or dir not listable
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{
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return $values;
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}
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if (!($max_session_size = ini_get('memory_limit'))) $max_session_size = '16M';
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switch(strtoupper(substr($max_session_size,-1)))
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{
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case 'M': $max_session_size *= 1024*1024; break;
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case 'K': $max_session_size *= 1024; break;
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}
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$max_session_size /= 4; // use at max 1/4 of the memory_limit to read sessions, the others get ignored
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while (($file = readdir($dir)))
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{
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if ($file{0} == '.' || filesize($path.'/'.$file) >= $max_session_size) continue;
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if (substr($file,0,5) != 'sess_' || $session_cache[$file] === false)
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{
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continue;
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}
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if (isset($session_cache[$file]) && !$session_cache[$file]) // session is marked as not to list (not ours or anonymous)
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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 (!$all_no_sort || // we need the up-to-date data --> unset and reread it
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$session['session_dla'] <= (time() - $GLOBALS['egw_info']['server']['sessions_timeout'])) // cached dla is timeout
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{
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unset($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. '/' . $file))
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{
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$session_cache[$file] = false; // dont try reading it again
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continue; // happens if webserver runs multiple user-ids
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}
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$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($session,0,1+strlen(EGW_SESSION_VAR)) != EGW_SESSION_VAR.'|')
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{
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$session_cache[$file] = false; // dont try reading it again
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continue;
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}
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$session = unserialize(substr($session,1+strlen(EGW_SESSION_VAR)));
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unset($session['app_sessions']); // not needed, saves memory
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$session['php_session_file'] = $path . '/' . $file;
|
||||
$session_cache[$file] = $session;
|
||||
|
||||
if($session['session_flags'] == 'A' || !$session['session_id'] ||
|
||||
$session['session_install_id'] != $GLOBALS['egw_info']['server']['install_id'])
|
||||
{
|
||||
$session_cache[$file] = false; // dont try reading it again
|
||||
continue; // no anonymous sessions or other domains or installations
|
||||
}
|
||||
// check for and terminate sessions which are timed out ==> destroy them
|
||||
// this should be not necessary if php is configured right, but I'm sick of the questions on the list
|
||||
if ($session['session_dla'] <= (time() - $GLOBALS['egw_info']['server']['sessions_timeout']))
|
||||
{
|
||||
//echo "session $session[session_id] is timed out !!!<br>\n";
|
||||
@unlink($path . '/' . $file);
|
||||
$session_cache[$file] = false;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
// ignore (empty) login sessions created by IE and konqueror, when clicking on [login] (double submission of the form)
|
||||
if ($session['session_action'] == $GLOBALS['egw_info']['server']['webserver_url'].'/login.php') continue;
|
||||
|
||||
//echo "file='$file'=<pre>"; print_r($session); echo "</pre>";
|
||||
$values[$session['session_id']] = $session;
|
||||
}
|
||||
closedir($dir);
|
||||
|
||||
if(!$all_no_sort)
|
||||
{
|
||||
$GLOBALS['egw']->session->sort_by = $sort;
|
||||
$GLOBALS['egw']->session->sort_order = $order;
|
||||
|
||||
uasort($values,array('sessions','session_sort'));
|
||||
|
||||
$i = 0;
|
||||
$start = (int)$start;
|
||||
foreach($values as $id => $data)
|
||||
{
|
||||
if($i < $start || $i > $start+$maxmatchs)
|
||||
{
|
||||
unset($values[$id]);
|
||||
}
|
||||
++$i;
|
||||
}
|
||||
reset($values);
|
||||
}
|
||||
$this->appsession('php4_session_cache','phpgwapi',$session_cache);
|
||||
|
||||
return $values;
|
||||
}
|
||||
|
||||
/**
|
||||
* get number of normal / non-anonymous sessions
|
||||
*
|
||||
* @author RalfBecker-AT-outdoor-training.de
|
||||
*/
|
||||
function total()
|
||||
if (!($max_session_size = ini_get('memory_limit'))) $max_session_size = '16M';
|
||||
switch(strtoupper(substr($max_session_size,-1)))
|
||||
{
|
||||
return count($this->list_sessions(0,'','',True));
|
||||
case 'M': $max_session_size *= 1024*1024; break;
|
||||
case 'K': $max_session_size *= 1024; break;
|
||||
}
|
||||
$max_session_size /= 4; // use at max 1/4 of the memory_limit to read sessions, the others get ignored
|
||||
|
||||
while (($file = readdir($dir)))
|
||||
{
|
||||
if ($file{0} == '.' || filesize($path.'/'.$file) >= $max_session_size) continue;
|
||||
|
||||
if (substr($file,0,5) != 'sess_' || $session_cache[$file] === false)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
if (isset($session_cache[$file]) && !$session_cache[$file]) // session is marked as not to list (not ours or anonymous)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
if (isset($session_cache[$file])) // use copy from cache
|
||||
{
|
||||
$session = $session_cache[$file];
|
||||
|
||||
if (!$all_no_sort || // we need the up-to-date data --> unset and reread it
|
||||
$session['session_dla'] <= (time() - $GLOBALS['egw_info']['server']['sessions_timeout'])) // cached dla is timeout
|
||||
{
|
||||
unset($session_cache[$file]);
|
||||
}
|
||||
}
|
||||
if (!isset($session_cache[$file])) // not in cache, read and cache it
|
||||
{
|
||||
if (!is_readable($path. '/' . $file))
|
||||
{
|
||||
$session_cache[$file] = false; // dont try reading it again
|
||||
continue; // happens if webserver runs multiple user-ids
|
||||
}
|
||||
$session = '';
|
||||
if (($fd = fopen ($path . '/' . $file,'r')))
|
||||
{
|
||||
$session = ($size = filesize ($path . '/' . $file)) ? fread ($fd, $size) : 0;
|
||||
fclose ($fd);
|
||||
}
|
||||
if (substr($session,0,1+strlen(EGW_SESSION_VAR)) != EGW_SESSION_VAR.'|')
|
||||
{
|
||||
$session_cache[$file] = false; // dont try reading it again
|
||||
continue;
|
||||
}
|
||||
$session = unserialize(substr($session,1+strlen(EGW_SESSION_VAR)));
|
||||
unset($session['app_sessions']); // not needed, saves memory
|
||||
$session['php_session_file'] = $path . '/' . $file;
|
||||
$session_cache[$file] = $session;
|
||||
|
||||
if($session['session_flags'] == 'A' || !$session['session_id'] ||
|
||||
$session['session_install_id'] != $GLOBALS['egw_info']['server']['install_id'])
|
||||
{
|
||||
$session_cache[$file] = false; // dont try reading it again
|
||||
continue; // no anonymous sessions or other domains or installations
|
||||
}
|
||||
// check for and terminate sessions which are timed out ==> destroy them
|
||||
// this should be not necessary if php is configured right, but I'm sick of the questions on the list
|
||||
if ($session['session_dla'] <= (time() - $GLOBALS['egw_info']['server']['sessions_timeout']))
|
||||
{
|
||||
//echo "session $session[session_id] is timed out !!!<br>\n";
|
||||
@unlink($path . '/' . $file);
|
||||
$session_cache[$file] = false;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
// ignore (empty) login sessions created by IE and konqueror, when clicking on [login] (double submission of the form)
|
||||
if ($session['session_action'] == $GLOBALS['egw_info']['server']['webserver_url'].'/login.php') continue;
|
||||
|
||||
//echo "file='$file'=<pre>"; print_r($session); echo "</pre>";
|
||||
$values[$session['session_id']] = $session;
|
||||
}
|
||||
closedir($dir);
|
||||
|
||||
if(!$all_no_sort)
|
||||
{
|
||||
$GLOBALS['egw']->session->sort_by = $sort;
|
||||
$GLOBALS['egw']->session->sort_order = $order;
|
||||
|
||||
uasort($values,array('sessions','session_sort'));
|
||||
|
||||
$i = 0;
|
||||
$start = (int)$start;
|
||||
foreach($values as $id => $data)
|
||||
{
|
||||
if($i < $start || $i > $start+$maxmatchs)
|
||||
{
|
||||
unset($values[$id]);
|
||||
}
|
||||
++$i;
|
||||
}
|
||||
reset($values);
|
||||
}
|
||||
$this->appsession('php4_session_cache','phpgwapi',$session_cache);
|
||||
|
||||
return $values;
|
||||
}
|
||||
|
||||
/**
|
||||
* get number of normal / non-anonymous sessions
|
||||
*
|
||||
* @author RalfBecker-AT-outdoor-training.de
|
||||
*/
|
||||
function total()
|
||||
{
|
||||
return count($this->list_sessions(0,'','',True));
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user