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menambahkan user login

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farrel 2025-12-01 10:18:44 +07:00
parent a8ef53dc5a
commit a8b4da04c6
2 changed files with 170 additions and 0 deletions
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74
login.php Normal file
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<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);
session_start();
$dbFile = __DIR__ . '/users.sqlite';
$redirectAfterLogin = 'sudoku.php';
try {
$pdo = new PDO('sqlite:' . $dbFile);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (Exception $e) {
die("DB Error: " . $e->getMessage());
}
$err = "";
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$user = trim($_POST['username'] ?? '');
$pass = $_POST['password'] ?? '';
if ($user === '' || $pass === '') {
$err = "Isi username dan password.";
} else {
$stmt = $pdo->prepare("SELECT * FROM users WHERE username = :u LIMIT 1");
$stmt->execute([':u' => $user]);
$row = $stmt->fetch(PDO::FETCH_ASSOC);
if ($row && password_verify($pass, $row['password'])) {
session_regenerate_id(true);
$_SESSION['user'] = $row['username'];
header("Location: $redirectAfterLogin");
exit;
} else {
$err = "Username atau password salah.";
}
}
}
?>
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<title>Login</title>
<style>
body { font-family: Arial; background:#eef2f7; display:flex; height:100vh; justify-content:center; align-items:center; margin:0; }
.card { width:350px; background:white; padding:20px; border-radius:10px; box-shadow:0 6px 20px rgba(0,0,0,0.1); }
.input { width:100%; padding:10px; margin:8px 0; border:1px solid #ccc; border-radius:8px; }
.btn { width:100%; padding:12px; background:#1e90ff; color:white; border:none; border-radius:8px; cursor:pointer; }
.err { color:#d00000; margin-bottom:10px; text-align:center; }
.link { text-align:center; margin-top:10px; }
</style>
</head>
<body>
<div class="card">
<h2>Login</h2>
<?php if ($err): ?>
<div class="err"><?= htmlspecialchars($err) ?></div>
<?php endif; ?>
<form method="post">
<input class="input" type="text" name="username" placeholder="Username">
<input class="input" type="password" name="password" placeholder="Password">
<button class="btn" type="submit">Masuk</button>
</form>
<div class="link">
Belum punya akun? <a href="register.php">Daftar</a>
</div>
</div>
</body>
</html>

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register.php Normal file
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<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);
session_start();
$dbFile = __DIR__ . '/users.sqlite';
try {
$pdo = new PDO('sqlite:' . $dbFile);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// create table if not exists
$pdo->exec("
CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT UNIQUE NOT NULL,
password TEXT NOT NULL,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
)
");
} catch (Exception $e) {
die("DB Error: " . $e->getMessage());
}
$err = "";
$ok = "";
// Regex password: minimal 6, huruf + angka
function password_valid($p) {
return preg_match('/^(?=.*[A-Za-z])(?=.*\d).{6,}$/', $p);
}
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$user = trim($_POST['username'] ?? '');
$pass = $_POST['password'] ?? '';
$pass2 = $_POST['password_confirm'] ?? '';
if ($user === '' || $pass === '' || $pass2 === '') {
$err = "Semua field harus diisi.";
} elseif ($pass !== $pass2) {
$err = "Konfirmasi password tidak cocok.";
} elseif (!password_valid($pass)) {
$err = "Password minimal 6 karakter, harus mengandung huruf & angka.";
} else {
try {
$hash = password_hash($pass, PASSWORD_DEFAULT);
$stmt = $pdo->prepare("INSERT INTO users (username, password) VALUES (:u, :p)");
$stmt->execute([':u' => $user, ':p' => $hash]);
$ok = "Registrasi berhasil, silakan login.";
} catch (PDOException $e) {
if ($e->getCode() == "23000") {
$err = "Username sudah digunakan.";
} else {
$err = "Error: " . $e->getMessage();
}
}
}
}
?>
<!DOCTYPE html>
<html lang="id">
<head>
<meta charset="UTF-8">
<title>Register</title>
<style>
body { font-family: Arial; background:#eef2f7; display:flex; height:100vh; justify-content:center; align-items:center; margin:0; }
.card { width:350px; background:white; padding:20px; border-radius:10px; box-shadow:0 6px 20px rgba(0,0,0,0.1); }
.input { width:100%; padding:10px; margin:8px 0; border:1px solid #ccc; border-radius:8px; }
.btn { width:100%; padding:12px; background:#28a745; color:white; border:none; border-radius:8px; cursor:pointer; }
.err { color:#d00000; margin-bottom:10px; text-align:center; }
.ok { color:green; margin-bottom:10px; text-align:center; }
.link { text-align:center; margin-top:10px; }
</style>
</head>
<body>
<div class="card">
<h2>Register</h2>
<?php if ($err): ?><div class="err"><?= htmlspecialchars($err) ?></div><?php endif; ?>
<?php if ($ok): ?><div class="ok"><?= htmlspecialchars($ok) ?></div><?php endif; ?>
<form method="post">
<input class="input" type="text" name="username" placeholder="Masukkan Username">
<input class="input" type="password" name="password" placeholder="Masukkan Password">
<input class="input" type="password" name="password_confirm" placeholder="Konfirmasi Password">
<button class="btn" type="submit">Daftar</button>
</form>
<div class="link">
Sudah punya akun? <a href="login.php">Login</a>
</div>
</div>
</body>
</html>