Add TOTP-based Multi-Factor Authentication (MFA) for local users

Global MFA toggle in Security settings, QR code setup on first login,
6-digit TOTP verification on subsequent logins. Azure AD users exempt.
Admins can reset user MFA. TOTP secrets encrypted at rest with Fernet.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-08 23:14:06 +01:00
parent 647630ff19
commit 3d28f13054
13 changed files with 615 additions and 62 deletions

View File

@@ -36,7 +36,7 @@ async function api(method, path, body = null) {
console.error(`API network error: ${method} ${path}`, networkErr);
throw new Error(t('errors.networkError'));
}
if (resp.status === 401) {
if (resp.status === 401 && !path.startsWith('/auth/mfa/') && path !== '/auth/login') {
logout();
throw new Error(t('errors.sessionExpired'));
}
@@ -98,6 +98,8 @@ async function initApp() {
function showLoginPage() {
document.getElementById('login-page').classList.remove('d-none');
document.getElementById('app-page').classList.add('d-none');
// Reset MFA sections when going back to login
resetLoginForm();
}
function showAppPage() {
@@ -211,6 +213,9 @@ async function handleAzureCallback() {
}
}
// Track MFA token between login steps
let pendingMfaToken = null;
document.getElementById('login-form').addEventListener('submit', async (e) => {
e.preventDefault();
const errorEl = document.getElementById('login-error');
@@ -223,16 +228,26 @@ document.getElementById('login-form').addEventListener('submit', async (e) => {
username: document.getElementById('login-username').value,
password: document.getElementById('login-password').value,
});
authToken = data.access_token;
localStorage.setItem('authToken', authToken);
currentUser = data.user;
document.getElementById('nav-username').textContent = currentUser.username;
// Apply user's language preference
if (currentUser.default_language) {
await setLanguage(currentUser.default_language);
// Check if MFA is required
if (data.mfa_required) {
pendingMfaToken = data.mfa_token;
document.getElementById('login-form').classList.add('d-none');
document.getElementById('azure-login-divider').classList.add('d-none');
if (data.totp_setup_needed) {
// First-time TOTP setup — get QR code
await startMfaSetup();
} else {
// Existing TOTP — show verify form
document.getElementById('mfa-verify-section').classList.remove('d-none');
document.getElementById('mfa-code').focus();
}
return;
}
showAppPage();
loadDashboard();
// Normal login (no MFA)
completeLogin(data);
} catch (err) {
errorEl.textContent = err.message;
errorEl.classList.remove('d-none');
@@ -241,6 +256,107 @@ document.getElementById('login-form').addEventListener('submit', async (e) => {
}
});
async function completeLogin(data) {
authToken = data.access_token;
localStorage.setItem('authToken', authToken);
currentUser = data.user;
document.getElementById('nav-username').textContent = currentUser.username;
if (currentUser.default_language) {
await setLanguage(currentUser.default_language);
}
pendingMfaToken = null;
showAppPage();
loadDashboard();
}
function resetLoginForm() {
pendingMfaToken = null;
document.getElementById('login-form').classList.remove('d-none');
document.getElementById('mfa-verify-section').classList.add('d-none');
document.getElementById('mfa-setup-section').classList.add('d-none');
document.getElementById('login-error').classList.add('d-none');
document.getElementById('login-password').value = '';
// Re-check azure config visibility
if (azureConfig.azure_enabled) {
document.getElementById('azure-login-divider').classList.remove('d-none');
}
}
// MFA Verify form (existing TOTP)
document.getElementById('mfa-verify-form').addEventListener('submit', async (e) => {
e.preventDefault();
const errorEl = document.getElementById('mfa-verify-error');
const spinner = document.getElementById('mfa-verify-spinner');
errorEl.classList.add('d-none');
spinner.classList.remove('d-none');
try {
const data = await api('POST', '/auth/mfa/verify', {
mfa_token: pendingMfaToken,
totp_code: document.getElementById('mfa-code').value,
});
completeLogin(data);
} catch (err) {
errorEl.textContent = err.message;
errorEl.classList.remove('d-none');
document.getElementById('mfa-code').value = '';
document.getElementById('mfa-code').focus();
} finally {
spinner.classList.add('d-none');
}
});
// MFA Setup — get QR code from server
async function startMfaSetup() {
try {
const data = await api('POST', '/auth/mfa/setup', {
mfa_token: pendingMfaToken,
});
document.getElementById('mfa-qr-code').src = data.qr_code;
document.getElementById('mfa-secret-manual').textContent = data.secret;
document.getElementById('mfa-setup-section').classList.remove('d-none');
document.getElementById('mfa-setup-code').focus();
} catch (err) {
document.getElementById('login-error').textContent = err.message;
document.getElementById('login-error').classList.remove('d-none');
resetLoginForm();
}
}
// MFA Setup Complete form (first-time TOTP)
document.getElementById('mfa-setup-form').addEventListener('submit', async (e) => {
e.preventDefault();
const errorEl = document.getElementById('mfa-setup-error');
const spinner = document.getElementById('mfa-setup-spinner');
errorEl.classList.add('d-none');
spinner.classList.remove('d-none');
try {
const data = await api('POST', '/auth/mfa/setup/complete', {
mfa_token: pendingMfaToken,
totp_code: document.getElementById('mfa-setup-code').value,
});
completeLogin(data);
} catch (err) {
errorEl.textContent = err.message;
errorEl.classList.remove('d-none');
document.getElementById('mfa-setup-code').value = '';
document.getElementById('mfa-setup-code').focus();
} finally {
spinner.classList.add('d-none');
}
});
// Back-to-login links
document.getElementById('mfa-back-to-login').addEventListener('click', (e) => {
e.preventDefault();
resetLoginForm();
});
document.getElementById('mfa-setup-back-to-login').addEventListener('click', (e) => {
e.preventDefault();
resetLoginForm();
});
function logout() {
// Use fetch directly (not api()) to avoid 401 → logout → 401 infinite loop
if (authToken) {
@@ -711,6 +827,10 @@ async function loadSettings() {
document.getElementById('cfg-default-language').value = cfg.default_language || 'en';
updateLogoPreview(cfg.branding_logo_path);
// MFA tab (Security)
document.getElementById('cfg-mfa-enabled').checked = cfg.mfa_enabled || false;
loadMfaStatus();
// Azure AD tab
document.getElementById('cfg-azure-enabled').checked = cfg.azure_enabled || false;
document.getElementById('cfg-azure-tenant').value = cfg.azure_tenant_id || '';
@@ -905,11 +1025,14 @@ async function loadUsers() {
const users = await api('GET', '/users');
const tbody = document.getElementById('users-table-body');
if (!users || users.length === 0) {
tbody.innerHTML = `<tr><td colspan="8" class="text-center text-muted py-4">${t('settings.noUsersFound') || t('common.loading')}</td></tr>`;
tbody.innerHTML = `<tr><td colspan="9" class="text-center text-muted py-4">${t('settings.noUsersFound') || t('common.loading')}</td></tr>`;
return;
}
tbody.innerHTML = users.map(u => {
const langDisplay = u.default_language ? u.default_language.toUpperCase() : `<span class="text-muted">${t('settings.systemDefault')}</span>`;
const mfaDisplay = u.totp_enabled
? `<span class="badge bg-success">${t('mfa.totpActive')}</span>`
: `<span class="text-muted">&mdash;</span>`;
return `<tr>
<td>${u.id}</td>
<td><strong>${esc(u.username)}</strong></td>
@@ -917,6 +1040,7 @@ async function loadUsers() {
<td><span class="badge bg-info">${esc(u.role || 'admin')}</span></td>
<td><span class="badge bg-${u.auth_provider === 'azure' ? 'primary' : 'secondary'}">${esc(u.auth_provider || 'local')}</span></td>
<td>${langDisplay}</td>
<td>${mfaDisplay}</td>
<td>${u.is_active ? `<span class="badge bg-success">${t('common.active')}</span>` : `<span class="badge bg-danger">${t('common.disabled')}</span>`}</td>
<td>
<div class="btn-group btn-group-sm">
@@ -925,13 +1049,14 @@ async function loadUsers() {
: `<button class="btn btn-outline-success" title="${t('common.enable')}" onclick="toggleUserActive(${u.id}, true)"><i class="bi bi-play-circle"></i></button>`
}
${u.auth_provider === 'local' ? `<button class="btn btn-outline-info" title="${t('common.resetPassword')}" onclick="resetUserPassword(${u.id}, '${esc(u.username)}')"><i class="bi bi-key"></i></button>` : ''}
${u.totp_enabled ? `<button class="btn btn-outline-secondary" title="${t('mfa.resetMfa')}" onclick="resetUserMfa(${u.id}, '${esc(u.username)}')"><i class="bi bi-shield-x"></i></button>` : ''}
<button class="btn btn-outline-danger" title="${t('common.delete')}" onclick="deleteUser(${u.id}, '${esc(u.username)}')"><i class="bi bi-trash"></i></button>
</div>
</td>
</tr>`;
}).join('');
} catch (err) {
document.getElementById('users-table-body').innerHTML = `<tr><td colspan="8" class="text-danger">${err.message}</td></tr>`;
document.getElementById('users-table-body').innerHTML = `<tr><td colspan="9" class="text-danger">${err.message}</td></tr>`;
}
}
@@ -1019,6 +1144,61 @@ document.getElementById('settings-azure-form').addEventListener('submit', async
}
});
// ---------------------------------------------------------------------------
// MFA Settings
// ---------------------------------------------------------------------------
async function saveMfaSettings() {
try {
await api('PUT', '/settings/system', {
mfa_enabled: document.getElementById('cfg-mfa-enabled').checked,
});
showSettingsAlert('success', t('mfa.mfaSaved'));
} catch (err) {
showSettingsAlert('danger', t('errors.failed', { error: err.message }));
}
}
async function loadMfaStatus() {
try {
const data = await api('GET', '/auth/mfa/status');
document.getElementById('cfg-mfa-enabled').checked = data.mfa_enabled_global;
const statusEl = document.getElementById('mfa-own-status');
const disableBtn = document.getElementById('mfa-disable-own');
if (data.totp_enabled_user) {
statusEl.innerHTML = `<span class="badge bg-success">${t('mfa.totpActive')}</span>`;
disableBtn.classList.remove('d-none');
} else {
statusEl.innerHTML = `<span class="badge bg-warning text-dark">${t('mfa.totpNotSetUp')}</span>`;
disableBtn.classList.add('d-none');
}
} catch (err) {
console.error('Failed to load MFA status:', err);
}
}
async function disableOwnTotp() {
try {
await api('POST', '/auth/mfa/disable');
showSettingsAlert('success', t('mfa.mfaDisabled'));
loadMfaStatus();
} catch (err) {
showSettingsAlert('danger', t('errors.failed', { error: err.message }));
}
}
async function resetUserMfa(id, username) {
if (!confirm(t('mfa.confirmResetMfa', { username }))) return;
try {
await api('POST', `/users/${id}/reset-mfa`);
showSettingsAlert('success', t('mfa.mfaResetSuccess', { username }));
loadUsers();
} catch (err) {
showSettingsAlert('danger', t('errors.failed', { error: err.message }));
}
}
function togglePasswordVisibility(inputId) {
const input = document.getElementById(inputId);
if (!input) return;