97 lines
3.1 KiB
PHP
97 lines
3.1 KiB
PHP
<?php
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session_start();
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require_once "Config.php";
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// ==========================================
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// BAGIAN 1: LOGIKA REGISTER
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// ==========================================
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if (isset($_POST['btn-register'])) {
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$username = $_POST['username'];
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$email = $_POST['email'];
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$password = $_POST['password'];
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// Pastikan di HTML name-nya sudah 'confirm_password'
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$confirm = $_POST['confirm_password'];
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// --- 1. VALIDASI DATA ---
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// Cek Kosong
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if (empty($username) || empty($email) || empty($password) || empty($confirm)) {
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echo "<script>alert('Semua data wajib diisi!'); window.location='index.html';</script>";
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exit;
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}
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// Cek Format Email (Biar gak ngawur)
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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echo "<script>alert('Format email tidak valid! (contoh: nama@email.com)'); window.location='index.html';</script>";
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exit;
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}
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// Cek Panjang Password (Minimal 6)
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if (strlen($password) < 6) {
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echo "<script>alert('Password terlalu pendek! Minimal 6 karakter.'); window.location='index.html';</script>";
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exit;
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}
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// Cek Kesamaan Password
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if ($password !== $confirm) {
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echo "<script>alert('Password dan Konfirmasi tidak cocok!'); window.location='index.html';</script>";
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exit;
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}
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// --- 2. CEK DUPLIKAT DI DATABASE ---
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$stmt = mysqli_prepare($conn, "SELECT id FROM users WHERE username = ? OR email = ?");
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mysqli_stmt_bind_param($stmt, "ss", $username, $email);
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mysqli_stmt_execute($stmt);
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mysqli_stmt_store_result($stmt);
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if (mysqli_stmt_num_rows($stmt) > 0) {
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echo "<script>alert('Username atau Email sudah terpakai! Ganti yang lain.'); window.location='index.html';</script>";
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exit;
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}
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mysqli_stmt_close($stmt);
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// --- 3. SIMPAN DATA ---
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$hashed_password = password_hash($password, PASSWORD_DEFAULT);
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$stmtInsert = mysqli_prepare($conn, "INSERT INTO users (username, email, password) VALUES (?, ?, ?)");
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mysqli_stmt_bind_param($stmtInsert, "sss", $username, $email, $hashed_password);
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if (mysqli_stmt_execute($stmtInsert)) {
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echo "<script>alert('Registrasi Berhasil! Silakan Login.'); window.location='index.html';</script>";
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} else {
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echo "Error: " . mysqli_error($conn);
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}
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mysqli_stmt_close($stmtInsert);
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}
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// ==========================================
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// BAGIAN 2: LOGIKA LOGIN
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// ==========================================
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else if (isset($_POST['btn-login'])) {
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$username = $_POST['username'];
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$password = $_POST['password'];
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$stmt = mysqli_prepare($conn, "SELECT * FROM users WHERE username=?");
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mysqli_stmt_bind_param($stmt, "s", $username);
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mysqli_stmt_execute($stmt);
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$result = mysqli_stmt_get_result($stmt);
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$row = mysqli_fetch_assoc($result);
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// JIKA GAGAL
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if (!$row || !password_verify($password, $row['password'])) {
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// Kirim sinyal error ke HTML (Kotak Merah)
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header("Location: index.html?error=gagal");
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exit;
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}
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// JIKA SUKSES
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$_SESSION['username'] = $row['username'];
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$_SESSION['login'] = true;
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header("Location: mainboard.html");
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exit;
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}
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?>
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