82 lines
2.7 KiB
PHP
82 lines
2.7 KiB
PHP
<?php
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ini_set('display_errors', 1);
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error_reporting(E_ALL);
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include 'db.php';
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session_start();
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$err = '';
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$username_input = '';
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if (isset($_POST['login'])) {
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$username_input = trim($_POST['username'] ?? '');
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$pass = $_POST['password'] ?? '';
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if ($username_input === '' || $pass === '') {
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$err = "Username dan password harus diisi.";
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} else {
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// 1. Ambil data user berdasarkan username
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// Menggunakan Prepared Statement MySQLi
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$stmt = mysqli_prepare($conn, "SELECT id, username, password FROM users WHERE username = ?");
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mysqli_stmt_bind_param($stmt, "s", $username_input);
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mysqli_stmt_execute($stmt);
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$result = mysqli_stmt_get_result($stmt);
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$user_data = mysqli_fetch_assoc($result);
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// 2. Verifikasi Password
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if ($user_data && password_verify($pass, $user_data['password'])) {
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session_regenerate_id(true);
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$_SESSION['user_id'] = $user_data['id'];
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$_SESSION['username'] = $user_data['username'];
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$_SESSION['login'] = true;
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header("Location: sudoku.php");
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exit();
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} else {
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$err = "Username atau password salah.";
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}
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mysqli_stmt_close($stmt);
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}
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}
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?>
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<html>
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<head>
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<title>Login</title>
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<style>
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body { font-family: Arial; background:aliceblue; display:flex; height:100vh; justify-content:center; align-items:center; margin:0; }
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.card { width:350px; background:white; padding:20px; border-radius:10px; box-shadow:0 6px 20px rgba(0,0,0,0.1); }
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.input { width:100%; padding:10px; margin:8px 0; border:1px solid lightgray; border-radius:8px; box-sizing: border-box; }
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.btn { width:100%; padding:12px; background:dodgerblue; color:white; border:none; border-radius:8px; cursor:pointer; }
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.btn:hover { background:mediumblue; }
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.err { color:firebrick; margin-bottom:10px; text-align:center; background: mistyrose; padding: 5px; border-radius: 5px;}
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.link { text-align:center; margin-top:10px; }
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a { text-decoration: none; color: dodgerblue; }
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</style>
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</head>
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<body>
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<div class="card">
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<h2 style="text-align: center">Login</h2>
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<?php if ($err): ?>
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<div class="err"><?= htmlspecialchars($err) ?></div>
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<?php endif; ?>
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<form method="POST" action="login.php">
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<input class="input" type="text" name="username" placeholder="Masukkan Username" value="<?= htmlspecialchars($username_input) ?>" required>
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<input class="input" type="password" name="password" placeholder="Masukkan Password" required>
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<button class="btn" type="submit" name="login">Masuk</button>
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</form>
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<div class="link">
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Belum punya akun? <a href="register.php">Daftar</a>
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</div>
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</div>
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</body>
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</html>
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