/**
* Main method of the class. grant the access to the page or make the redirect page setted in control panel
* @return mix null or error object
* @access public
*/
function Execute()
{
tNG_cookieLogin($this->connection);
// access denied defaults to "redirect_failed" specified in Login Config
$grantAccess = false;
$redirect_page = $GLOBALS['tNG_login_config']['redirect_failed'];
tNG_clearSessionVars();
if (isset($_SESSION['kt_login_user'])) {
if (count($this->levels) > 0) {
if (isset($_SESSION['kt_login_level'])) {
if (in_array($_SESSION['kt_login_level'], $this->levels)) {
$grantAccess = true;
} else {
// acceess denied. check for level default redirect pages
if (is_array($GLOBALS['tNG_login_config_redirect_failed']) && array_key_exists($_SESSION['kt_login_level'], $GLOBALS['tNG_login_config_redirect_failed']) and $GLOBALS['tNG_login_config_redirect_failed'][$_SESSION['kt_login_level']] != "") {
$redirect_page = $GLOBALS['tNG_login_config_redirect_failed'][$_SESSION['kt_login_level']];
} else {
// the failure page for the current user level is not defined.. so fall back to default
$redirect_page = $GLOBALS['tNG_login_config']['redirect_failed'];
}
}
}
// if levels are required, and the current user doesn't have one.. access is denied
} else {
// no levels are required for this page access
// the user is logged in, so grant the access
$grantAccess = true;
}
}
if (!$grantAccess) {
// save the accessed page into a session for later use
$_SESSION['KT_denied_pageuri'] = KT_getFullUri();
KT_setSessionVar('KT_denied_pageuri');
$_SESSION['KT_denied_pagelevels'] = $this->levels;
KT_setSessionVar('KT_denied_pagelevels');
if (isset($_SESSION['KT_max_tries_error'])) {
$redirect_page = KT_addReplaceParam($redirect_page, 'info', 'MAXTRIES');
} else {
if (isset($_SESSION['KT_account_expire_error'])) {
$redirect_page = KT_addReplaceParam($redirect_page, 'info', 'ACCOUNT_EXPIRE');
} else {
$redirect_page = KT_addReplaceParam($redirect_page, 'info', 'DENIED');
}
}
KT_redir($this->relPath . $redirect_page);
} else {
// clear the sessions used for redirect ??
}
}
/**
* Main method of the class.
* If the user is not log in, call tNG_cookieLogin which will try to autologin based on the cookies;
* verify if the user is logged in and have the proper levels;
* @return boolean true if the user has the rights and is loggedin;
* @access public
*/
function Execute()
{
tNG_cookieLogin($this->connection);
// access denied defaults to "redirect_failed" specified in Login Config
$grantAccess = false;
tNG_clearSessionVars();
if (isset($_SESSION['kt_login_user'])) {
if (count($this->levels) > 0) {
if (isset($_SESSION['kt_login_level'])) {
if (in_array($_SESSION['kt_login_level'], $this->levels)) {
$grantAccess = true;
}
}
} else {
// no levels are required for this page access
// the user is logged in, so grant the access
$grantAccess = true;
}
}
return $grantAccess;
}
/**
* try to log in an user using the cookies;
* @param object $connection object;
* @return nothing
*/
function tNG_cookieLogin(&$connection)
{
tNG_clearSessionVars();
if (isset($_SESSION['kt_login_user'])) {
if (isset($GLOBALS['tNG_login_config']['logger_table']) && isset($GLOBALS['tNG_login_config']['logger_pk']) && isset($GLOBALS['tNG_login_config']['logger_user_id']) && isset($GLOBALS['tNG_login_config']['logger_ip']) && isset($GLOBALS['tNG_login_config']['logger_datein']) && isset($GLOBALS['tNG_login_config']['logger_datelastactivity']) && isset($GLOBALS['tNG_login_config']['logger_session']) && $GLOBALS['tNG_login_config']['logger_table'] != '' && $GLOBALS['tNG_login_config']['logger_pk'] != '' && $GLOBALS['tNG_login_config']['logger_user_id'] != '' && $GLOBALS['tNG_login_config']['logger_ip'] != '' && $GLOBALS['tNG_login_config']['logger_datein'] != '' && $GLOBALS['tNG_login_config']['logger_datelastactivity'] != '' && $GLOBALS['tNG_login_config']['logger_session'] != '') {
$tNG = new tNG_custom($connection);
$tNG->addColumn('kt_login_id', 'STRING_TYPE', 'EXPRESSION', '{SESSION.kt_login_id}');
$tNG->executeTransaction();
Trigger_Login_LoggerOut($tNG);
return;
}
}
if (isset($_COOKIE['kt_login_id']) && isset($_COOKIE['kt_login_test'])) {
// make an instance of the transaction object
$loginTransaction_cookie = new tNG_login($connection);
// register triggers
// automatically start the transaction
$loginTransaction_cookie->registerTrigger("STARTER", "Trigger_Default_Starter", 1, "VALUE", "1");
// add columns
$loginTransaction_cookie->setLoginType('cookie');
$loginTransaction_cookie->addColumn("kt_login_id", $GLOBALS['tNG_login_config']['pk_type'], "COOKIE", "kt_login_id");
$loginTransaction_cookie->addColumn("kt_login_test", "STRING_TYPE", "COOKIE", "kt_login_test");
$loginTransaction_cookie->executeTransaction();
}
}
