function startSession()
{
session_start();
$time = time();
$logged_in = checkLogin();
if (!$logged_in) {
$username = $_SESSION['username'] = GUEST_NAME;
$userlevel = GUEST_LEVEL;
addActiveGuest($_SERVER['REMOTE_ADDR'], $time);
} else {
addActiveUser($username, $time);
}
// remove inactive users
removeInactiveUsers();
removeInactiveGuests();
// set referrer page
if (isset($_SESSION['url'])) {
$referrer = $_SESSION['url'];
} else {
$referrer = "/";
}
//set current url
$url = $_SESSION['url'] = $_SERVER['PHP_SELF'];
}
} else {
if (empty($_POST['email1']) || empty($_POST['password1'])) {
if (!$redirect) {
$redirect = "/";
}
header("Location: " . $redirect . "?loginfail=1");
} else {
$user = strtolower(addslashes($_POST['email1']));
$pass = $_POST['password1'];
if (confirmUserPass($user, $pass) == 0) {
/* Username and password correct, register session variables */
$userinfo = getUserInfo($user);
$username = $_SESSION['username'] = $userinfo['user_email'];
$userlevel = $_SESSION['userlevel'] = $userinfo['user_type'];
/* Update active users table */
addActiveUser($username, $time);
removeActiveGuest($_SERVER['REMOTE_ADDR']);
if (!$redirect) {
$redirect = "/";
}
header("Location: " . $redirect);
} else {
if (!$redirect) {
$redirect = "/";
}
header("Location: " . $redirect . "?loginfail=1");
}
}
}
}
}