93 lines
3.2 KiB
PHP
93 lines
3.2 KiB
PHP
<?php
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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( $ldapserver ) {
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debug_log(sprintf('set_lastactivity(): Entered with (%s)',$ldapserver->server_id),2);
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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( $ldapserver ) {
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debug_log(sprintf('unset_lastactivity(): Entered with (%s)',$ldapserver->server_id),2);
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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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session_write_close();
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}
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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 unset_login_dn( $server_id )
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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( $ldapserver ) {
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debug_log(sprintf('session_timed_out(): Entered with (%s)',$ldapserver->server_id),2);
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global $lang;
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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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$rightframe_server_id = $_SESSION['activity']['rightframe_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 " . get_logged_in_dn( $ldapserver ) );
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unset_login_dn( $ldapserver ) or pla_error( $lang['could_not_logout'] );
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}
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// If $ldapserver->server_id equal $rightframe_server_id load timeout page on right frame
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if ( $ldapserver->server_id == $rightframe_server_id ) { ?>
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<SCRIPT LANGUAGE="JavaScript">
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<!--
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parent.right_frame.location.href = 'timeout.php?server_id=<?php echo $ldapserver->server_id; ?>';
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//--></SCRIPT>
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<?php }
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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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