107 lines
3.0 KiB
PHP

<?php
session_start();
require_once "config.php";
/* =====================================================
JANGAN AKSES auth.php LANGSUNG
===================================================== */
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
header("Location: index.php");
exit;
}
/* =====================================================
REGISTER
===================================================== */
if (isset($_POST['btn-register'])) {
$username = trim($_POST['username']);
$email = trim($_POST['email']);
$password = $_POST['password'];
$confirm = $_POST['confirm_password'];
// --- VALIDASI DASAR ---
if (!$username || !$email || !$password || !$confirm) {
// Balik ke index dengan pesan error
header("Location: index.php?register_error=Data tidak boleh kosong");
exit;
}
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
header("Location: index.php?register_error=Format email tidak valid");
exit;
}
if (strlen($password) < 6) {
header("Location: index.php?register_error=Password minimal 6 karakter");
exit;
}
if ($password !== $confirm) {
header("Location: index.php?register_error=Konfirmasi password tidak cocok");
exit;
}
// --- CEK DATABASE (USER SUDAH ADA?) ---
$cek = $conn->prepare("SELECT id FROM users WHERE username=? OR email=?");
$cek->bind_param("ss", $username, $email);
$cek->execute();
$cek->store_result();
if ($cek->num_rows > 0) {
// INI YANG SEBELUMNYA MATI, SEKARANG REDIRECT:
header("Location: index.php?register_error=Username atau Email sudah terdaftar!");
exit;
}
$cek->close();
// --- INSERT DATA BARU ---
$hash = password_hash($password, PASSWORD_DEFAULT);
$insert = $conn->prepare("INSERT INTO users (username,email,password) VALUES (?,?,?)");
$insert->bind_param("sss", $username, $email, $hash);
if ($insert->execute()) {
// Register Berhasil -> Arahkan ke Login (atau mainboard)
// Kita kosongkan error agar masuk ke state normal
header("Location: index.php");
exit;
} else {
header("Location: index.php?register_error=Gagal mendaftar, coba lagi nanti.");
exit;
}
$insert->close();
}
/* =====================================================
LOGIN
==================================================== */
if (isset($_POST['btn-login'])) {
$username = $_POST['username'];
$password = $_POST['password'];
$stmt = $conn->prepare("SELECT * FROM users WHERE username=?");
$stmt->bind_param("s", $username);
$stmt->execute();
$result = $stmt->get_result();
$user = $result->fetch_assoc();
// Cek Password
if (!$user || !password_verify($password, $user['password'])) {
// Redirect dengan parameter 'error=gagal' agar ditangkap JS Login
header("Location: index.php?error=gagal");
exit;
}
// Login Sukses
$_SESSION['user'] = $user;
header("Location: mainboard.php");
exit;
}
?>