}
function nav()
{
global $db, $nav, $ums, $user;
$nav = str_replace('<a href="index.php?var=login">Login</a><br>', "", $nav);
$nav = str_replace('<a href="index.php?var=register">Register</a><br>', "", $nav);
$nav .= '<h1>' . $user['username'] . '</h1>';
}
function logout()
{
global $config, $db;
$hash = $_COOKIE[$config['cookie']];
$db->query("DELETE FROM `{PREFIX}ums_sessions` WHERE `hash` = '{$hash}'");
setcookie($config['cookie'], "ended", time() - 100);
return "You are now logged out! We hope to see you again";
}
function guest()
{
global $nav;
$nav = str_replace('<a href="index.php?var=logout">Logout</a><br>', "", $nav);
}
}
$ums = new ums();
if ($ums->init()) {
if (isset($_COOKIE[$config['cookie']])) {
$user = $ums->load($db->getvalue('user', 'ums_sessions', 'hash', $_COOKIE[$config['cookie']]));
$ums->nav();
} else {
$ums->guest();
}
}
$db->query("UPDATE `{PREFIX}sessions` SET `time` = '" . time() . "' WHERE `hash` = '{$hash}'");
}
//Session maintence
$cutoff = time() - 86400;
$db->query("DELETE FROM `{PREFIX}sessions` WHERE `time` <= {$cutoff}");
return $user;
}
function load($id)
{
global $db;
//First the static variables
$user['id'] = $id;
$user['name'] = $db->getvalue('name', 'users', 'id', $id);
$user['email'] = $db->getvalue('email', 'users', 'id', $id);
$user['group'] = $db->getvalue('group', 'users', 'id', $id);
//Dynamic stufffffff
return $user;
}
function cansee($page)
{
global $user, $db, $ums;
$group = $user['group'];
$result = $db->query("SELECT * FROM `{PREFIX}page_permissions` WHERE `page` = {$page} AND `group` = {$group} LIMIT 1");
while ($row = mysql_fetch_array($result)) {
$out = $row['cansee'];
}
return $out;
}
}
$ums = new ums();
$user = $ums->init();