83 lines
2.9 KiB
PHP
83 lines
2.9 KiB
PHP
<?php
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// $Header: /cvsroot/phpldapadmin/phpldapadmin/lib/timeout_functions.php,v 1.6.2.5 2005/12/31 03:06:15 wurley Exp $
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/**
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* A collection of functions used throughout phpLDAPadmin for the timeout and automatic logout feature
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* @author Samuel Tran
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* @package phpLDAPadmin
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*
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*/
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/**
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* Responsible for setting/updating two session-vars that are used for the timeout and auto logout feature:
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* - "activity" var records the server last activity.
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* - "rightframe_server_id" var records the ID of the server active on the right frame.
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* where X is the * ID of the server which the user is working on
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*
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* @param object $ldapserver The LDAPServer object of the server which the user has logged in.
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* @return bool
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*/
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function set_lastactivity($ldapserver) {
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if (DEBUG_ENABLED)
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debug_log('set_lastactivity(): Entered with (%s)',1,$ldapserver->server_id);
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$_SESSION['activity']['server'][$ldapserver->server_id] = time();
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$_SESSION['activity']['rightframe_server_id'] = $ldapserver->server_id;
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return true;
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}
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/**
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* Remove the session-var "lastactivity_X" set by update_lastactivity()
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* where X is the * ID of the server
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*
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* @param object $ldapserver The LDAPServer object of the server which the user has logged in.
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*/
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function unset_lastactivity($ldapserver) {
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if (DEBUG_ENABLED)
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debug_log('unset_lastactivity(): Entered with (%s)',1,$ldapserver->server_id);
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if (isset($_SESSION['activity']['server'][$ldapserver->server_id]))
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unset($_SESSION['activity']['server'][$ldapserver->server_id]);
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}
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/**
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* Check if custom session timeout has been reached for server $ldapserver.
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* If it has:
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* - automatically log out user by calling $ldapserver->unsetLoginDN()
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* - if $server_id is equal to right frame $server_id, load timeout.php page in the right frame
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* - return true
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*
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* @param object $ldapserver The LDAPServer object of the server which the user has logged in.
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* @return bool true on success, false on failure.
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*/
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function session_timed_out($ldapserver) {
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if (DEBUG_ENABLED)
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debug_log('session_timed_out(): Entered with (%s)',1,$ldapserver->server_id);
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# If session hasn't expired yet
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if (isset($_SESSION['activity']['server'][$ldapserver->server_id])) {
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# If $session_timeout not defined, use (session_cache_expire() - 1)
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if (! isset($ldapserver->session_timeout))
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$session_timeout = session_cache_expire()-1;
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else
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$session_timeout = $ldapserver->session_timeout;
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# Get the $last_activity and $rightframe_server_id value
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$last_activity = $_SESSION['activity']['server'][$ldapserver->server_id];
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# If diff between current time and last activity greater than $session_timeout, log out user
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if ((time()-$last_activity) > ($session_timeout*60)) {
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if (in_array($ldapserver->auth_type, array('cookie','session'))) {
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syslog_notice('Logout for '.$ldapserver->getLoggedInDN());
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$ldapserver->unsetLoginDN() or pla_error(_('Could not logout.'));
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}
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return true;
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} else
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return false;
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}
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}
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