38458-vm/login.php
2026-02-15 20:43:30 +00:00

103 lines
4.0 KiB
PHP

<?php
require_once 'auth_helper.php';
$error = '';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$student_id = $_POST['student_id'] ?? '';
$email = $_POST['email'] ?? '';
$role = $_POST['role'] ?? '';
$password = $_POST['password'] ?? '';
// 1. Find user locally to verify student_id, email and role match
$stmt = db()->prepare("SELECT * FROM users WHERE student_id = ? AND email = ? AND role = ?");
$stmt->execute([$student_id, $email, $role]);
$user = $stmt->fetch();
if ($user) {
// 2. Authenticate with Supabase
$auth = SupabaseAuth::signIn($email, $password);
if ($auth['error']) {
// Check if user exists locally with this password but not in Supabase yet
if (!empty($user['password_hash']) && password_verify($password, $user['password_hash'])) {
// Migrate to Supabase
$supabaseUser = SupabaseAuth::createUser($email, $password);
if (!$supabaseUser['error']) {
$auth = SupabaseAuth::signIn($email, $password);
}
}
}
if (!$auth['error']) {
// Update supabase_uid if missing
if (empty($user['supabase_uid'])) {
$supabase_uid = $auth['data']['user']['id'] ?? null;
$upd = db()->prepare("UPDATE users SET supabase_uid = ? WHERE id = ?");
$upd->execute([$supabase_uid, $user['id']]);
}
$_SESSION['user_id'] = $user['id'];
$_SESSION['user_role'] = $user['role'];
header('Location: index.php');
exit;
} else {
$error = 'Authentication failed: ' . $auth['error'];
}
} else {
$error = 'Invalid Credentials. Please check your UID, Email, and Role.';
}
if ($error && isset($_POST['role'])) { // Redirect back to landing if coming from modal
header('Location: index.php?error=' . urlencode($error));
exit;
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Login - Online Election System</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
<style>
body { background-color: #f8fafc; font-family: 'Inter', sans-serif; }
.login-card { max-width: 400px; margin: 100px auto; border-radius: 8px; box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1); }
</style>
</head>
<body>
<div class="card login-card p-4">
<h2 class="text-center mb-4" style="color: #1e293b;">Election Login</h2>
<?php if ($error): ?>
<div class="alert alert-danger"><?php echo $error; ?></div>
<?php endif; ?>
<form method="POST">
<div class="mb-3">
<label class="form-label">Student ID (XX-XXXX)</label>
<input type="text" name="student_id" class="form-control" placeholder="00-0000" required pattern="\d{2}-\d{4}">
</div>
<div class="mb-3">
<label class="form-label">Email Account</label>
<input type="email" name="email" class="form-control" required>
</div>
<div class="mb-3">
<label class="form-label">Role</label>
<select name="role" class="form-select">
<option value="Voter">Voter</option>
<option value="Officer">Officer</option>
<option value="Adviser">Adviser</option>
<option value="Admin">Admin</option>
</select>
</div>
<div class="mb-3">
<label class="form-label">Password</label>
<input type="password" name="password" class="form-control" required>
</div>
<button type="submit" class="btn btn-primary w-100" style="background-color: #2563eb;">Login</button>
</form>
<div class="mt-3 text-center">
<small>Don't have an account? <a href="signup.php">Register</a></small>
</div>
</div>
</body>
</html>