pongpon pitisuk
49 lines
1.1 KiB
PHP
49 lines
1.1 KiB
PHP
<?php
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/**
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* Authentication Helper
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* TPU Survey System
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*/
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session_start();
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function isLoggedIn() {
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return isset($_SESSION['user_id']);
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}
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function isAdmin() {
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return isset($_SESSION['role']) && $_SESSION['role'] === 'admin';
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}
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function isTeacher() {
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return isset($_SESSION['role']) && $_SESSION['role'] === 'teacher';
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}
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function requireLogin() {
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if (!isLoggedIn()) {
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http_response_code(401);
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode(['error' => 'กรุณาเข้าสู่ระบบ']);
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exit;
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}
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}
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function requireAdmin() {
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requireLogin();
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if (!isAdmin()) {
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http_response_code(403);
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode(['error' => 'ไม่มีสิทธิ์เข้าถึง']);
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exit;
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}
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}
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function getCurrentUser() {
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if (!isLoggedIn()) return null;
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return [
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'id' => $_SESSION['user_id'],
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'username' => $_SESSION['username'],
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'role' => $_SESSION['role'],
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'full_name' => $_SESSION['full_name']
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];
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}
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