felogin_kill_other_sessions

// file hooks/class.tx_felogin_kill_other_sessions_hook.php

<?php

require_once(PATH_tslib . 'class.tslib_pibase.php');

class tx_felogin_kill_other_sessions_hook extends tslib_pibase {
	var $prefixId = 'tx_felogin_kill_other_sessions_hook';
	var $scriptRelPath = 'hooks/class.tx_felogin_kill_other_sessions_hook.php';
	var $extKey = 'felogin_kill_other_sessions';
	
	/**
	 * Set Login log in the database when certain conditions are meet.
	 * 
	 * @param array $pObj containing parameters of hooked object! 
	 */
	function killOtherSessions(&$pObj){

		$pObj = $pObj['pObj'];
		
		if ($pObj instanceof tslib_feUserAuth){

			//
			// If the password timestamp is zero and the kill_other_sessions post (or get) 
			// var is not set then update the password timstamp with the tme now.
			//
			if($pObj->user['ses_id'] && $pObj->user['allowmultiplesessions']!=1) {

				$ses_id = $pObj->user['ses_id'];
				$ses_userid = $pObj->user[$pObj->userid_column];
				$GLOBALS['TYPO3_DB']->exec_DELETEquery(
					'fe_sessions',
					'ses_userid = "' . $ses_userid . '" ' .
					' AND ses_id != "' . $ses_id . '"');
			}
		}
	}
}

if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/felogin_kill_other_sessions/hooks/class.tx_felogin_kill_other_sessions_hook.php'])) {
	include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/felogin_kill_other_sessions/hooks/class.tx_felogin_kill_other_sessions_hook.php']);
}
?>



// ext_localconf.php:

<?php

$TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postUserLookUp']['tx_felogin_kill_other_sessions'] = 'EXT:' . $_EXTKEY . '/hooks/class.tx_felogin_kill_other_sessions_hook.php:tx_felogin_kill_other_sessions_hook->killOtherSessions';

?>



// ext_tables.php

<?php
if (!defined('TYPO3_MODE')) {
	die ('Access denied.');
}

$feusersTempColumns = array (
	'allowmultiplesessions' => array (
		'exclude' => 1,
		'label' => 'Sta meerdere gelijktijdige login-sessies toe',
		'config' => Array (
			'type' => 'check',
			'default' => '0'
		)
	),
);

t3lib_div::loadTCA('fe_users');
t3lib_extMgm::addTCAcolumns('fe_users',$feusersTempColumns, 1);
t3lib_extMgm::addToAllTCAtypes('fe_users', 'allowmultiplesessions', '', 'after:endtime');

?>


// ext_tables.sql

CREATE TABLE fe_users (
	allowmultiplesessions tinyint(4) DEFAULT '0' NOT NULL
);