.gitignore

@@ -8,5 +8,5 @@ Thumbs.db
 *.log
 .vscode/
 .idea/
-config/config.php
 config/.env.example
+config/config.php

auth/callback_microsoft.php

@@ -7,22 +7,54 @@
 require_once __DIR__ . '/../includes/auth.php';
 require_once __DIR__ . '/../includes/integrations/microsoft.php';
 
-$user = require_auth();
+start_secure_session();
+
+// 1. CSRF State validatie & Sessieherstel
+$receivedState = $_GET['state'] ?? '';
+$stateUserId = !empty($receivedState) ? verify_oauth_state($receivedState) : null;
+
+// Als de sessie verloren is gegaan tijdens de externe cross-site redirect vanaf Microsoft,
+// herstellen we de gebruiker veilig aan de hand van de cryptografisch ondertekende OAuth state!
+if (empty($_SESSION['user_id']) && $stateUserId) {
+    try {
+        $db = get_db_connection();
+        $stmtUser = $db->prepare("SELECT id, name, email, role, two_factor_enabled, created_at FROM users WHERE id = ?");
+        $stmtUser->execute([$stateUserId]);
+        $recoveredUser = $stmtUser->fetch();
+        if ($recoveredUser) {
+            $_SESSION['user_id'] = $recoveredUser['id'];
+            $_SESSION['user_name'] = $recoveredUser['name'];
+            $_SESSION['user_email'] = $recoveredUser['email'];
+            $_SESSION['user_role'] = $recoveredUser['role'];
+            $_SESSION['is_2fa_verified'] = true;
+            issue_remember_token((int)$recoveredUser['id']);
+        }
+    } catch (Throwable $e) {
+        // Foutafhandeling
+    }
+}
+
+// 2. Controleer authenticatie
+$user = get_logged_in_user();
+if (!$user) {
+    header('Location: /auth/login.php?error=' . urlencode('Sessie verlopen tijdens Microsoft koppeling. Log opnieuw in en probeer het nogmaals.'));
+    exit;
+}
+
 $db = get_db_connection();
 
-// 1. Foutafhandeling vanuit Microsoft
+// 3. Foutafhandeling vanuit Microsoft (bijv. gebruiker weigerde machtiging)
 if (!empty($_GET['error'])) {
     $errorDescription = $_GET['error_description'] ?? $_GET['error'];
     header('Location: /integrations.php?error=' . urlencode("Microsoft melding: {$errorDescription}"));
     exit;
 }
 
-// 2. CSRF State validatie
+// 4. Valideer de state (via HMAC handtekening of fallback sessiestate)
-$receivedState = $_GET['state'] ?? '';
 $expectedState = $_SESSION['ms_oauth_state'] ?? '';
-unset($_SESSION['ms_oauth_state']);
+unset($_SESSION['ms_oauth_state'], $_SESSION['ms_oauth_user_id']);
 
-if (empty($receivedState) || !hash_equals($expectedState, $receivedState)) {
+if (!$stateUserId && (empty($receivedState) || empty($expectedState) || !hash_equals($expectedState, $receivedState))) {
     header('Location: /integrations.php?error=' . urlencode('Ongeldige sessie of CSRF-controle mislukt. Probeer opnieuw in te loggen via Microsoft.'));
     exit;
 }

auth/invite.php

@@ -81,6 +81,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $_SESSION['user_email'] = $invite['email'];
             $_SESSION['user_role'] = $invite['role'];
             $_SESSION['is_2fa_verified'] = true;
+            issue_remember_token($newUserId);
             unset($_SESSION['invite_totp_secret']);
 
             header('Location: /planner.php');

auth/login.php

@@ -12,8 +12,9 @@ if (!has_admin_user()) {
     exit;
 }
 
-// Als al volledig ingelogd en 2FA geverifieerd, ga naar planner
+// Als al ingelogd (via actieve sessie of persistente cookie), ga direct naar planner
-if (!empty($_SESSION['user_id']) && !empty($_SESSION['is_2fa_verified'])) {
+$currentUser = get_logged_in_user();
+if ($currentUser) {
     header('Location: /planner.php');
     exit;
 }
@@ -96,6 +97,9 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 $_SESSION['user_role'] = $user['role'];
                 $_SESSION['is_2fa_verified'] = true;
 
+                // Activeer persistente remember token (30 dagen blijf ingelogd)
+                issue_remember_token((int)$user['id']);
+
                 unset($_SESSION['pending_2fa_user_id'], $_SESSION['pending_2fa_user_email'], $_SESSION['pending_2fa_user_name']);
 
                 header('Location: /planner.php');

auth/logout.php

@@ -6,6 +6,21 @@
 require_once __DIR__ . '/../includes/auth.php';
 start_secure_session();
 
+// Vernietig persistente login in database
+if (!empty($_SESSION['user_id'])) {
+    try {
+        $db = get_db_connection();
+        ensure_remember_token_columns($db);
+        $stmt = $db->prepare("UPDATE users SET remember_token = NULL, remember_token_expires_at = NULL WHERE id = ?");
+        $stmt->execute([$_SESSION['user_id']]);
+    } catch (Throwable $e) {
+        // Stil negeren bij uitloggen
+    }
+}
+
+// Verwijder remember cookie
+clear_remember_cookie();
+
 // Vernietig alle sessie variabelen
 $_SESSION = [];
 

auth/oauth_microsoft.php

@@ -31,10 +31,10 @@ if (empty($clientId)) {
 // Bepaal de dynamische of geconfigureerde redirect URI
 $redirectUri = rtrim(APP_URL, '/') . '/auth/callback_microsoft.php';
 
-// Genereer unieke CSRF state
+// Genereer cryptografisch ondertekende OAuth state waarin de user_id en timestamp veilig zijn opgeslagen
-$state = bin2hex(random_bytes(16));
+$state = generate_oauth_state((int)$user['id']);
 $_SESSION['ms_oauth_state'] = $state;
-$_SESSION['ms_oauth_user_id'] = $user['id'];
+$_SESSION['ms_oauth_user_id'] = (int)$user['id'];
 
 // Stuur gebruiker door naar Microsoft login
 $authUrl = microsoft_get_auth_url($clientId, $redirectUri, $tenantId, $state);

auth/setup.php

@@ -68,6 +68,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
             $_SESSION['user_email'] = $email;
             $_SESSION['user_role'] = 'ADMIN';
             $_SESSION['is_2fa_verified'] = true;
+            issue_remember_token($adminId);
             unset($_SESSION['setup_totp_secret']);
 
             $success = true;

brainstorm.php

@@ -3,7 +3,8 @@
  * Fociz Brainstorm Sessies Overzicht
  */
 
-require_once __DIR__ . '/includes/header.php';
+require_once __DIR__ . '/includes/auth.php';
+$currentUser = require_auth();
 $db = get_db_connection();
 
 // Verwerk nieuwe sessie aanmaken
@@ -36,6 +37,7 @@ $stmtSessions = $db->query("
     ORDER BY s.created_at DESC
 ");
 $sessions = $stmtSessions->fetchAll();
+require_once __DIR__ . '/includes/header.php';
 ?>
 
 <div class="space-y-6">

config/.env.example

@@ -1,15 +1,15 @@
 # MariaDB Verbinding
 DB_HOST="192.168.2.33"
 DB_PORT="3306"
-DB_NAME="fociz"
+DB_NAME="focizdev"
-DB_USER="focizlive_user"
+DB_USER="focizdev_user"
-DB_PASS="F0c1z_Live_Secure_2026!"
+DB_PASS="F0c1z_Dev_Secure_2026!"
 
 # Omgeving: 'development' (knippert rood) of 'live' (knippert groen)
-APP_ENV="live"
+APP_ENV="development"
 
-# Applicatie URL (voor uitnodigingslinks en OAuth redirects: https://fociz.nl)
+# Applicatie URL (voor uitnodigingslinks en OAuth redirects: https://dev.fociz.nl of https://fociz.nl)
-APP_URL="https://fociz.nl"
+APP_URL="https://dev.fociz.nl"
 
 # Applicatie Geheime Sleutel (willekeurige tekenreeks)
 APP_SECRET="fociz-maria-db-super-secret-key-998877"
@@ -23,3 +23,4 @@ MICROSOFT_TENANT_ID="common"
 JIRA_DOMAIN=""
 JIRA_EMAIL=""
 JIRA_API_TOKEN=""
+

config/config.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Fociz Applicatie- en Databaseconfiguratie (MAIN / LIVE BRANCH)
+ * Fociz Applicatie- en Databaseconfiguratie
  * Laadt automatisch .env (of .env.example indien .env niet bestaat)
  */
 
@@ -65,12 +65,12 @@ if (!function_exists('fociz_env')) {
     }
 }
 
-// MariaDB Verbindingsgegevens (Live defaults voor main branch; overschrijfbaar via server .env)
+// MariaDB Verbindingsgegevens (uit .env of .env.example)
 define('DB_HOST', fociz_env('DB_HOST', '192.168.2.33'));
 define('DB_PORT', fociz_env('DB_PORT', '3306'));
-define('DB_NAME', fociz_env('DB_NAME', 'fociz'));
+define('DB_NAME', fociz_env('DB_NAME', 'focizdev'));
-define('DB_USER', fociz_env('DB_USER', 'focizlive_user'));
+define('DB_USER', fociz_env('DB_USER', 'focizdev_user'));
-define('DB_PASS', fociz_env('DB_PASS', 'F0c1z_Live_Secure_2026!'));
+define('DB_PASS', fociz_env('DB_PASS', 'F0c1z_Dev_Secure_2026!'));
 define('DB_CHARSET', 'utf8mb4');
 
 // Bepaal de dynamische of geconfigureerde applicatie URL
@@ -81,7 +81,7 @@ if (!function_exists('fociz_detect_app_url')) {
             return rtrim($envUrl, '/');
         }
 
-        // Dynamische detectie op basis van het huidige domein (werkt direct op fociz.nl én dev.fociz.nl)
+        // Dynamische detectie op basis van het huidige domein (werkt direct op dev.fociz.nl én fociz.nl)
         if (!empty($_SERVER['HTTP_HOST'])) {
             $isHttps = (
                 (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ||
@@ -98,22 +98,18 @@ if (!function_exists('fociz_detect_app_url')) {
     }
 }
 
-// Applicatie instellingen (Live defaults)
+// Applicatie instellingen
 define('APP_NAME', 'Fociz');
-define('APP_ENV', fociz_env('APP_ENV', 'live')); // 'live' voor de main branch
+define('APP_ENV', fociz_env('APP_ENV', 'development')); // 'development' of 'live'
 define('APP_URL', fociz_detect_app_url());
 define('APP_SECRET', fociz_env('APP_SECRET', 'fociz-maria-db-super-secret-key-998877'));
 
 // Tijdzone
 date_default_timezone_set('Europe/Amsterdam');
 
-// Foutrapportage: in live verbergen we fouten voor bezoekers
+// Foutrapportage: in development tonen we fouten direct op het scherm
 if (APP_ENV !== 'live') {
     ini_set('display_errors', '1');
     ini_set('display_startup_errors', '1');
     error_reporting(E_ALL);
-} else {
-    ini_set('display_errors', '0');
-    ini_set('display_startup_errors', '0');
-    error_reporting(E_ALL & ~E_DEPRECATED & ~E_STRICT);
 }

config/schema.sql

@@ -10,6 +10,8 @@ CREATE TABLE IF NOT EXISTS `users` (
   `two_factor_secret` VARCHAR(120) NULL,
   `two_factor_enabled` TINYINT(1) NOT NULL DEFAULT 0,
   `backup_codes` TEXT NULL,
+  `remember_token` VARCHAR(64) NULL,
+  `remember_token_expires_at` DATETIME NULL,
   `avatar_url` VARCHAR(255) NULL,
   `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
   `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP

includes/auth.php

@@ -6,13 +6,41 @@
 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) {
-        // Veilige sessiecookie parameters
+        // Zorg voor een ruime sessieduur (30 dagen)
-        $isSecure = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on');
+        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' => 7 * 24 * 60 * 60, // 7 dagen
+            'lifetime' => 30 * 24 * 60 * 60, // 30 dagen
             'path'     => '/',
+            'domain'   => '',
             'secure'   => $isSecure,
             'httponly' => true,
             'samesite' => 'Lax'
@@ -35,31 +63,136 @@ function has_admin_user(): bool {
 }
 
 /**
- * Haalt de huidige ingelogde gebruiker op uit de database
+ * 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
+    }
+}
+
+/**
+ * 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();
 
-    if (empty($_SESSION['user_id']) || empty($_SESSION['is_2fa_verified'])) {
-        return null;
-    }
-
     $db = get_db_connection();
+    ensure_remember_token_columns($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 = [];
+    }
 
-    return $user ?: null;
+    // 2. Controleer persistente 'remember me' cookie (voorkomt ongewenst uitloggen bij refresh of herstart)
+    if (!empty($_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(): array {
+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;
     }
@@ -67,6 +200,12 @@ function require_auth(): array {
     // 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;
     }
@@ -137,3 +276,52 @@ function verify_csrf_token(?string $token): bool {
     return !empty($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'];
+}
+
+

includes/header.php

@@ -4,7 +4,7 @@
  */
 
 require_once __DIR__ . '/auth.php';
-$currentUser = $currentUser ?? get_logged_in_user();
+$currentUser = $currentUser ?? require_auth();
 $currentPage = basename($_SERVER['PHP_SELF']);
 ?>
 <!DOCTYPE html>

index.php

@@ -11,7 +11,8 @@ if (!has_admin_user()) {
     exit;
 }
 
-if (!empty($_SESSION['user_id']) && !empty($_SESSION['is_2fa_verified'])) {
+$user = get_logged_in_user();
+if ($user) {
     header('Location: /planner.php');
     exit;
 }

users.php

@@ -3,8 +3,9 @@
  * Fociz Team & Uitnodigingen Beheer (Enkel voor Admin)
  */
 
-require_once __DIR__ . '/includes/header.php';
+require_once __DIR__ . '/includes/auth.php';
 $adminUser = require_admin();
+$currentUser = $adminUser;
 $db = get_db_connection();
 
 $message = null;
@@ -63,6 +64,8 @@ $invites = $db->query("
     JOIN users u ON i.created_by_id = u.id 
     ORDER BY i.created_at DESC
 ")->fetchAll();
+
+require_once __DIR__ . '/includes/header.php';
 ?>
 
 <div class="space-y-6">