403 lines
13 KiB
PHP
403 lines
13 KiB
PHP
<?php
|
|
/**
|
|
* Authenticatie & Autorisatie Guard voor Fociz
|
|
*/
|
|
|
|
require_once __DIR__ . '/../config/database.php';
|
|
require_once __DIR__ . '/totp.php';
|
|
|
|
/**
|
|
* Bepaalt of de huidige verbinding HTTPS gebruikt (inclusief reverse proxies / OpenResty / Docker)
|
|
*/
|
|
function is_https_request(): bool {
|
|
if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off') {
|
|
return true;
|
|
}
|
|
if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https') {
|
|
return true;
|
|
}
|
|
if (!empty($_SERVER['HTTP_X_FORWARDED_SSL']) && strtolower($_SERVER['HTTP_X_FORWARDED_SSL']) === 'on') {
|
|
return true;
|
|
}
|
|
if (isset($_SERVER['SERVER_PORT']) && (int)$_SERVER['SERVER_PORT'] === 443) {
|
|
return true;
|
|
}
|
|
if (defined('APP_URL') && str_starts_with(APP_URL, 'https://')) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function start_secure_session(): void {
|
|
if (session_status() === PHP_SESSION_NONE) {
|
|
// Zorg voor een ruime sessieduur (30 dagen)
|
|
ini_set('session.gc_maxlifetime', '2592000');
|
|
ini_set('session.cookie_lifetime', '2592000');
|
|
ini_set('session.use_strict_mode', '1');
|
|
ini_set('session.use_only_cookies', '1');
|
|
|
|
$isSecure = is_https_request();
|
|
session_set_cookie_params([
|
|
'lifetime' => 30 * 24 * 60 * 60, // 30 dagen
|
|
'path' => '/',
|
|
'domain' => '',
|
|
'secure' => $isSecure,
|
|
'httponly' => true,
|
|
'samesite' => 'Lax'
|
|
]);
|
|
session_start();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Controleert of er al een beheerder bestaat in MariaDB
|
|
*/
|
|
function has_admin_user(): bool {
|
|
try {
|
|
$db = get_db_connection();
|
|
$stmt = $db->query("SELECT COUNT(*) FROM users WHERE role = 'ADMIN'");
|
|
return ((int)$stmt->fetchColumn()) > 0;
|
|
} catch (Throwable $e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Garandeert dat de kolommen voor persistent sessiebeheer aanwezig zijn in MariaDB
|
|
*/
|
|
function ensure_remember_token_columns(PDO $db): void {
|
|
static $columnsChecked = false;
|
|
if ($columnsChecked) return;
|
|
$columnsChecked = true;
|
|
|
|
try {
|
|
$result = $db->query("SHOW COLUMNS FROM `users` LIKE 'remember_token'");
|
|
if (!$result || $result->rowCount() === 0) {
|
|
$db->exec("ALTER TABLE `users` ADD COLUMN `remember_token` VARCHAR(64) NULL AFTER `backup_codes`, ADD COLUMN `remember_token_expires_at` DATETIME NULL AFTER `remember_token`");
|
|
}
|
|
} catch (Throwable $e) {
|
|
// Stil negeren indien al aanwezig of tijdens migraties
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Garandeert dat de kolom voor notificatie-instellingen aanwezig is in MariaDB
|
|
*/
|
|
function ensure_notification_columns(PDO $db): void {
|
|
static $notifColumnsChecked = false;
|
|
if ($notifColumnsChecked) return;
|
|
$notifColumnsChecked = true;
|
|
|
|
try {
|
|
$result = $db->query("SHOW COLUMNS FROM `users` LIKE 'notification_settings'");
|
|
if (!$result || $result->rowCount() === 0) {
|
|
$db->exec("ALTER TABLE `users` ADD COLUMN `notification_settings` TEXT NULL AFTER `remember_token_expires_at`");
|
|
}
|
|
} catch (Throwable $e) {
|
|
// Stil negeren indien al aanwezig
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Genereert en bewaart een persistente 'Onthoud mij' token in MariaDB en plaatst een veilige cookie
|
|
*/
|
|
function issue_remember_token(int $userId): string {
|
|
$rawToken = bin2hex(random_bytes(32));
|
|
$tokenHash = hash('sha256', $rawToken);
|
|
$expiresAt = date('Y-m-d H:i:s', time() + (30 * 86400)); // 30 dagen geldig
|
|
|
|
$db = get_db_connection();
|
|
ensure_remember_token_columns($db);
|
|
|
|
$stmt = $db->prepare("UPDATE users SET remember_token = ?, remember_token_expires_at = ? WHERE id = ?");
|
|
$stmt->execute([$tokenHash, $expiresAt, $userId]);
|
|
|
|
$isSecure = is_https_request();
|
|
setcookie('fociz_remember', $rawToken, [
|
|
'expires' => time() + (30 * 86400),
|
|
'path' => '/',
|
|
'secure' => $isSecure,
|
|
'httponly' => true,
|
|
'samesite' => 'Lax'
|
|
]);
|
|
|
|
return $rawToken;
|
|
}
|
|
|
|
/**
|
|
* Verwijdert de persistente remember cookie
|
|
*/
|
|
function clear_remember_cookie(): void {
|
|
$isSecure = is_https_request();
|
|
setcookie('fociz_remember', '', [
|
|
'expires' => time() - 86400,
|
|
'path' => '/',
|
|
'secure' => $isSecure,
|
|
'httponly' => true,
|
|
'samesite' => 'Lax'
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Haalt de huidige ingelogde gebruiker op uit de database.
|
|
* Herstelt automatisch de sessie als een geldige 'fociz_remember' cookie aanwezig is.
|
|
*/
|
|
function get_logged_in_user(): ?array {
|
|
start_secure_session();
|
|
|
|
$db = get_db_connection();
|
|
ensure_remember_token_columns($db);
|
|
|
|
// 1. Controleer actieve PHP sessie
|
|
if (!empty($_SESSION['user_id']) && !empty($_SESSION['is_2fa_verified'])) {
|
|
$stmt = $db->prepare("SELECT id, name, email, role, two_factor_enabled, created_at FROM users WHERE id = ?");
|
|
$stmt->execute([$_SESSION['user_id']]);
|
|
$user = $stmt->fetch();
|
|
if ($user) {
|
|
return $user;
|
|
}
|
|
// Gebruiker bestaat niet meer in database
|
|
$_SESSION = [];
|
|
}
|
|
|
|
// 2. Controleer persistente 'remember me' cookie (voorkomt ongewenst uitloggen bij refresh of herstart)
|
|
if (!empty($_COOKIE['fociz_remember'])) {
|
|
$rawToken = trim($_COOKIE['fociz_remember']);
|
|
$tokenHash = hash('sha256', $rawToken);
|
|
|
|
$stmt = $db->prepare("
|
|
SELECT id, name, email, role, two_factor_enabled, created_at
|
|
FROM users
|
|
WHERE remember_token = ? AND remember_token_expires_at > NOW()
|
|
");
|
|
$stmt->execute([$tokenHash]);
|
|
$user = $stmt->fetch();
|
|
|
|
if ($user) {
|
|
// Herstel volledige PHP sessie
|
|
$_SESSION['user_id'] = $user['id'];
|
|
$_SESSION['user_name'] = $user['name'];
|
|
$_SESSION['user_email'] = $user['email'];
|
|
$_SESSION['user_role'] = $user['role'];
|
|
$_SESSION['is_2fa_verified'] = true;
|
|
|
|
// Verleng direct de geldigheid van de remember token voor nog eens 30 dagen
|
|
issue_remember_token((int)$user['id']);
|
|
|
|
return $user;
|
|
} else {
|
|
clear_remember_cookie();
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Beschermt pagina's: dwingt login + 2FA af
|
|
*/
|
|
function require_auth(bool $json = false): array {
|
|
start_secure_session();
|
|
|
|
$isAjax = $json ||
|
|
(isset($_SERVER['HTTP_ACCEPT']) && str_contains($_SERVER['HTTP_ACCEPT'], 'application/json')) ||
|
|
(isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
|
|
|
|
// 1. Controleer of eerste setup nodig is
|
|
if (!has_admin_user()) {
|
|
if ($isAjax) {
|
|
http_response_code(401);
|
|
header('Content-Type: application/json');
|
|
echo json_encode(['success' => false, 'error' => 'Setup vereist']);
|
|
exit;
|
|
}
|
|
header('Location: /auth/setup.php');
|
|
exit;
|
|
}
|
|
|
|
// 2. Controleer of gebruiker ingelogd én 2FA geverifieerd is
|
|
$user = get_logged_in_user();
|
|
if (!$user) {
|
|
if ($isAjax) {
|
|
http_response_code(401);
|
|
header('Content-Type: application/json');
|
|
echo json_encode(['success' => false, 'error' => 'Niet geauthenticeerd of sessie verlopen']);
|
|
exit;
|
|
}
|
|
header('Location: /auth/login.php');
|
|
exit;
|
|
}
|
|
|
|
return $user;
|
|
}
|
|
|
|
/**
|
|
* Dwingt beheerder (ADMIN) rol af
|
|
*/
|
|
function require_admin(): array {
|
|
$user = require_auth();
|
|
if ($user['role'] !== 'ADMIN') {
|
|
header('Location: /planner.php');
|
|
exit;
|
|
}
|
|
return $user;
|
|
}
|
|
|
|
/**
|
|
* Maakt een nieuwe uitnodiging aan voor een collega
|
|
*/
|
|
function create_invite(int $createdById, string $email, string $role = 'MEMBER'): string {
|
|
$db = get_db_connection();
|
|
$token = bin2hex(random_bytes(24));
|
|
$expiresAt = date('Y-m-d H:i:s', strtotime('+7 days'));
|
|
|
|
$stmt = $db->prepare("INSERT INTO invites (token, email, role, expires_at, created_by_id) VALUES (?, ?, ?, ?, ?)");
|
|
$stmt->execute([$token, strtolower(trim($email)), $role, $expiresAt, $createdById]);
|
|
|
|
return $token;
|
|
}
|
|
|
|
/**
|
|
* Valideert een invite token
|
|
*/
|
|
function validate_invite(string $token): ?array {
|
|
$db = get_db_connection();
|
|
$stmt = $db->prepare("
|
|
SELECT i.*, u.name as inviter_name, u.email as inviter_email
|
|
FROM invites i
|
|
JOIN users u ON i.created_by_id = u.id
|
|
WHERE i.token = ?
|
|
");
|
|
$stmt->execute([$token]);
|
|
$invite = $stmt->fetch();
|
|
|
|
if (!$invite) return null;
|
|
if ($invite['used_at'] !== null) return null;
|
|
if (strtotime($invite['expires_at']) < time()) return null;
|
|
|
|
return $invite;
|
|
}
|
|
|
|
/**
|
|
* CSRF token helpers
|
|
*/
|
|
function get_csrf_token(): string {
|
|
start_secure_session();
|
|
if (empty($_SESSION['csrf_token'])) {
|
|
$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
|
|
}
|
|
return $_SESSION['csrf_token'];
|
|
}
|
|
|
|
function verify_csrf_token(?string $token): bool {
|
|
start_secure_session();
|
|
return !empty($token) && !empty($_SESSION['csrf_token']) && hash_equals($_SESSION['csrf_token'], $token);
|
|
}
|
|
|
|
/**
|
|
* Genereert een cryptografisch ondertekende OAuth state parameter waarin de user_id en timestamp veilig zijn opgeslagen.
|
|
* Dit voorkomt CSRF en maakt sessieherstel mogelijk bij cross-site OAuth redirects.
|
|
*/
|
|
function generate_oauth_state(int $userId): string {
|
|
$secret = defined('APP_SECRET') ? APP_SECRET : (defined('DB_PASS') ? DB_PASS : 'fociz_oauth_salt_2026');
|
|
$payload = [
|
|
'uid' => $userId,
|
|
'ts' => time(),
|
|
'rnd' => bin2hex(random_bytes(8))
|
|
];
|
|
$json = json_encode($payload);
|
|
$b64 = rtrim(strtr(base64_encode($json), '+/', '-_'), '=');
|
|
$sig = hash_hmac('sha256', $b64, $secret);
|
|
return $b64 . '.' . $sig;
|
|
}
|
|
|
|
/**
|
|
* Valideert een ontvangen OAuth state parameter en geeft bij succes het geverifieerde user_id terug.
|
|
* Geeft null terug bij ongeldige handtekening of verlopen state (> 30 minuten).
|
|
*/
|
|
function verify_oauth_state(string $state): ?int {
|
|
$secret = defined('APP_SECRET') ? APP_SECRET : (defined('DB_PASS') ? DB_PASS : 'fociz_oauth_salt_2026');
|
|
$parts = explode('.', $state, 2);
|
|
if (count($parts) !== 2) {
|
|
return null;
|
|
}
|
|
[$b64, $sig] = $parts;
|
|
$expectedSig = hash_hmac('sha256', $b64, $secret);
|
|
if (!hash_equals($expectedSig, $sig)) {
|
|
return null;
|
|
}
|
|
$remainder = strlen($b64) % 4;
|
|
if ($remainder) {
|
|
$b64 .= str_repeat('=', 4 - $remainder);
|
|
}
|
|
$json = base64_decode(strtr($b64, '-_', '+/'));
|
|
$payload = json_decode($json, true);
|
|
if (!is_array($payload) || empty($payload['uid']) || empty($payload['ts'])) {
|
|
return null;
|
|
}
|
|
// Geldigheidsduur: maximaal 30 minuten (1800 seconden)
|
|
if (time() - (int)$payload['ts'] > 1800) {
|
|
return null;
|
|
}
|
|
return (int)$payload['uid'];
|
|
}
|
|
|
|
/**
|
|
* Haalt de persoonlijke notificatie-instellingen van een gebruiker op
|
|
*/
|
|
function get_user_notification_settings(int $userId): array {
|
|
$db = get_db_connection();
|
|
ensure_notification_columns($db);
|
|
|
|
$defaults = [
|
|
'enabled' => 1,
|
|
'lead_time_minutes' => 5, // 0, 2, 5, 10, 15, 30
|
|
'repeat_count' => 2, // 1, 2, 3, 5
|
|
'repeat_interval_minutes' => 2, // 1, 2, 3, 5
|
|
'sound_enabled' => 1, // 0 of 1
|
|
];
|
|
|
|
try {
|
|
$stmt = $db->prepare("SELECT notification_settings FROM users WHERE id = ?");
|
|
$stmt->execute([$userId]);
|
|
$json = $stmt->fetchColumn();
|
|
if (!empty($json)) {
|
|
$saved = json_decode($json, true);
|
|
if (is_array($saved)) {
|
|
return array_merge($defaults, $saved);
|
|
}
|
|
}
|
|
} catch (Throwable $e) {
|
|
error_log("get_user_notification_settings error: " . $e->getMessage());
|
|
}
|
|
|
|
return $defaults;
|
|
}
|
|
|
|
/**
|
|
* Slaat de persoonlijke notificatie-instellingen van een gebruiker op
|
|
*/
|
|
function update_user_notification_settings(int $userId, array $settings): bool {
|
|
$db = get_db_connection();
|
|
ensure_notification_columns($db);
|
|
|
|
$current = get_user_notification_settings($userId);
|
|
$merged = [
|
|
'enabled' => !empty($settings['enabled']) ? 1 : 0,
|
|
'lead_time_minutes' => max(0, min(60, (int)($settings['lead_time_minutes'] ?? $current['lead_time_minutes']))),
|
|
'repeat_count' => max(1, min(10, (int)($settings['repeat_count'] ?? $current['repeat_count']))),
|
|
'repeat_interval_minutes' => max(1, min(30, (int)($settings['repeat_interval_minutes'] ?? $current['repeat_interval_minutes']))),
|
|
'sound_enabled' => !empty($settings['sound_enabled']) ? 1 : 0,
|
|
];
|
|
|
|
try {
|
|
$stmt = $db->prepare("UPDATE users SET notification_settings = ? WHERE id = ?");
|
|
return $stmt->execute([json_encode($merged), $userId]);
|
|
} catch (Throwable $e) {
|
|
error_log("update_user_notification_settings error: " . $e->getMessage());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|