Dragon-Knight/public/login.php

57 lines
1.4 KiB
PHP

<?php
// login.php :: Handles logins and cookies.
require_once '../src/lib.php';
if (!file_exists('../.installed')) redirect('install.php');
match ($_GET['do'] ?? 'login') {
'login' => login(),
'logout' => logout()
};
function login()
{
if (checkcookies() !== false) redirect('index.php');
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$form = validate($_POST, [
'username' => ['length:3-18', 'alpha-spaces'],
'password' => ['length:6-255'],
'remember' => ['bool']
]);
if (!$form['valid']) {
exit(ul_from_validate_errors($form['errors']));
}
$form = $form['data'];
$query = db()->query('SELECT id, username, password FROM users WHERE username = ? LIMIT 1;', [$form['username']]);
$row = $query->fetchArray(SQLITE3_ASSOC);
if ($row === false || !password_verify($_POST['password'] ?? '', $row['password']))
die("Invalid username or password. Please go back and try again.");
$expiretime = $form['remember'] ? time() + 31536000 : 0;
$rememberme = $form['remember'] ? 1 : 0;
$cookie = implode(' ', [$row['id'], $row['username'], $row['password'], $rememberme]);
set_cookie("dkgame", $cookie, $expiretime);
header("Location: index.php");
exit;
}
$page = gettemplate("login");
$title = "Log In";
display($page, $title, false, false, false, false);
}
function logout()
{
set_cookie("dkgame", "", -3600);
redirect('login.php?do=login');
}