text0Nly/main/login.php
2025-06-16 02:30:02 +03:00

99 lines
3.6 KiB
PHP

<?php
ob_start();
ini_set('session.cookie_httponly', 1);
ini_set('session.cookie_secure', 1);
header('X-Content-Type-Options: nosniff');
header('X-Frame-Options: DENY');
header('X-XSS-Protection: 1; mode=block');
header('Content-Security-Policy: default-src \'self\'; style-src \'self\' \'unsafe-inline\';');
header('Strict-Transport-Security: max-age=31536000; includeSubDomains');
session_start();
try {
$config = require 'config.php';
$db = new PDO(
"mysql:host={$config['db']['host']};dbname={$config['db']['name']}",
$config['db']['user'],
$config['db']['pass']
);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
die("Database connection error: " . $e->getMessage());
}
$error = '';
$success = '';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$username = filter_input(INPUT_POST, 'username', FILTER_SANITIZE_STRING);
$password = filter_input(INPUT_POST, 'password', FILTER_SANITIZE_STRING);
if ($username && $password) {
try {
$stmt = $db->prepare('SELECT id, password, is_blocked, login_attempts, last_attempt FROM users WHERE username = ?');
$stmt->execute([$username]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);
if ($user) {
if ($user['is_blocked']) {
$error = 'Account is blocked';
} else if ($user['login_attempts'] >= 5 && strtotime($user['last_attempt']) > strtotime('-15 minutes')) {
$error = 'Too many login attempts';
} else if (password_verify($password, $user['password'])) {
$stmt = $db->prepare('UPDATE users SET login_attempts = 0, last_attempt = NOW() WHERE id = ?');
$stmt->execute([$user['id']]);
$_SESSION['user_id'] = $user['id'];
$_SESSION['username'] = $username;
header('Location: index.php');
exit;
} else {
$stmt = $db->prepare('UPDATE users SET login_attempts = login_attempts + 1, last_attempt = NOW() WHERE id = ?');
$stmt->execute([$user['id']]);
$error = 'Invalid password';
}
} else {
$error = 'User not found';
}
} catch (PDOException $e) {
$error = 'Server error';
}
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Text0Nly - Login</title>
<style>
body { font-family: Arial, sans-serif; max-width: 400px; margin: 20px auto; padding: 20px; }
.form-group { margin: 10px 0; }
input { width: 100%; padding: 8px; margin: 5px 0; }
button { width: 100%; padding: 10px; background: #2196F3; color: white; border: none; cursor: pointer; }
.error { color: red; }
.success { color: green; }
</style>
</head>
<body>
<h2>Login</h2>
<?php if ($error): ?>
<div class="error"><?= htmlspecialchars($error) ?></div>
<?php endif; ?>
<?php if ($success): ?>
<div class="success"><?= htmlspecialchars($success) ?></div>
<?php endif; ?>
<form method="post">
<div class="form-group">
<input type="text" name="username" placeholder="Username" required>
</div>
<div class="form-group">
<input type="password" name="password" placeholder="Password" required>
</div>
<button type="submit">Login</button>
</form>
<p><a href="register.php">Register</a> | <a href="index.php">Back to chat</a></p>
</body>
</html>
<?php ob_end_flush(); ?>