88 lines
3.0 KiB
PHP
88 lines
3.0 KiB
PHP
<?php
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require_once __DIR__ . '/db/config.php';
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$errors = [];
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$username = '';
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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if (session_status() == PHP_SESSION_NONE) {
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session_start();
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}
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$username = trim($_POST['username'] ?? '');
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$password = $_POST['password'] ?? '';
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// Validation
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if (empty($username)) {
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$errors[] = 'Username is required.';
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}
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if (empty($password)) {
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$errors[] = 'Password is required.';
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}
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// If no validation errors, check credentials
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if (empty($errors)) {
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try {
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$pdo = db();
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$stmt = $pdo->prepare("SELECT id, username, password FROM users WHERE username = ?");
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$stmt->execute([$username]);
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$user = $stmt->fetch(PDO::FETCH_ASSOC);
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if ($user && password_verify($password, $user['password'])) {
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// Regenerate session ID to prevent session fixation
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session_regenerate_id(true);
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// Store user info in session
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$_SESSION['user_id'] = $user['id'];
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$_SESSION['username'] = $user['username'];
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// Redirect to the main page
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header("Location: index.php");
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exit;
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} else {
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$errors[] = 'Invalid username or password.';
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}
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} catch (PDOException $e) {
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$errors[] = "Database error: " . $e->getMessage();
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}
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}
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}
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require_once __DIR__ . '/includes/header.php';
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?>
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<div class="row justify-content-center">
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<div class="col-lg-5">
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<div class="card task-card">
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<div class="card-body p-4">
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<h1 class="card-title h3 mb-4 text-center">Login to Your Account</h1>
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<?php if (!empty($errors)): ?>
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<div class="alert alert-danger">
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<?php foreach ($errors as $error): ?>
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<p class="mb-0"><?php echo htmlspecialchars($error); ?></p>
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<?php endforeach; ?>
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</div>
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<?php endif; ?>
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<form action="login.php" method="POST">
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<div class="mb-3">
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<label for="username" class="form-label">Username</label>
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<input type="text" class="form-control" id="username" name="username" value="<?php echo htmlspecialchars($username); ?>" required>
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</div>
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<div class="mb-3">
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<label for="password" class="form-label">Password</label>
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<input type="password" class="form-control" id="password" name="password" required>
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</div>
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<button type="submit" class="btn btn-primary w-100 py-2">Login</button>
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</form>
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<div class="text-center mt-4">
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<p class="mb-0">Don't have an account? <a href="register.php">Register here</a>.</p>
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</div>
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</div>
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</div>
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</div>
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</div>
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<?php require_once __DIR__ . '/includes/footer.php'; ?>
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