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redlight/server/routes/branding.js
Michelle ce2cf499dc
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feat: implement hide app name feature with toggle in admin settings and update branding context
2026-03-04 10:11:35 +01:00

308 lines
10 KiB
JavaScript

import { Router } from 'express';
import multer from 'multer';
import path from 'path';
import fs from 'fs';
import { fileURLToPath } from 'url';
import { getDb } from '../config/database.js';
import { authenticateToken, requireAdmin } from '../middleware/auth.js';
import { log } from '../config/logger.js';
import { getOAuthConfig } from '../config/oauth.js';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const router = Router();
const SAFE_ID_RE = /^[a-zA-Z0-9_-]{1,50}$/;
// Validate that a URL uses a safe scheme (http/https only)
function isSafeUrl(url) {
try {
const parsed = new URL(url);
return parsed.protocol === 'https:' || parsed.protocol === 'http:';
} catch {
return false;
}
}
// Ensure uploads/branding directory exists
const brandingDir = path.join(__dirname, '..', '..', 'uploads', 'branding');
if (!fs.existsSync(brandingDir)) {
fs.mkdirSync(brandingDir, { recursive: true });
}
// Multer config for logo upload
const storage = multer.diskStorage({
destination: (req, file, cb) => cb(null, brandingDir),
filename: (req, file, cb) => {
const ext = path.extname(file.originalname).toLowerCase() || '.png';
cb(null, `logo${ext}`);
},
});
const upload = multer({
storage,
limits: { fileSize: 5 * 1024 * 1024 }, // 5MB
fileFilter: (req, file, cb) => {
const allowed = /\.(jpg|jpeg|png|gif|svg|webp|ico)$/i;
const mimeAllowed = /^image\/(jpeg|png|gif|svg\+xml|webp|x-icon|vnd\.microsoft\.icon)$/;
if (allowed.test(path.extname(file.originalname)) && mimeAllowed.test(file.mimetype)) {
cb(null, true);
} else {
cb(new Error('Only image files are allowed'));
}
},
});
// Helper: get setting from DB
async function getSetting(key) {
const db = getDb();
const row = await db.get('SELECT value FROM settings WHERE key = ?', [key]);
return row?.value || null;
}
// Helper: set setting in DB
async function setSetting(key, value) {
const db = getDb();
// Try update first, then insert if nothing was updated
const result = await db.run('UPDATE settings SET value = ?, updated_at = CURRENT_TIMESTAMP WHERE key = ?', [value, key]);
if (result.changes === 0) {
// Use INSERT with a dummy RETURNING to satisfy PG adapter, or just use exec-style
await db.run('INSERT INTO settings (key, value) VALUES (?, ?) RETURNING key', [key, value]);
}
}
// Helper: delete setting from DB
async function deleteSetting(key) {
const db = getDb();
await db.run('DELETE FROM settings WHERE key = ?', [key]);
}
// Helper: find current logo file on disk
function findLogoFile() {
if (!fs.existsSync(brandingDir)) return null;
const files = fs.readdirSync(brandingDir);
const logo = files.find(f => f.startsWith('logo.'));
return logo ? path.join(brandingDir, logo) : null;
}
// GET /api/branding - Get branding settings (public)
router.get('/', async (req, res) => {
try {
const appName = await getSetting('app_name');
const defaultTheme = await getSetting('default_theme');
const logoFile = findLogoFile();
const registrationMode = await getSetting('registration_mode');
const imprintUrl = await getSetting('imprint_url');
const privacyUrl = await getSetting('privacy_url');
// OAuth: expose whether OAuth is enabled + display name for login page
let oauthEnabled = false;
let oauthDisplayName = null;
try {
const oauthConfig = await getOAuthConfig();
if (oauthConfig) {
oauthEnabled = true;
oauthDisplayName = oauthConfig.displayName || 'SSO';
}
} catch { /* not configured */ }
const hideAppName = await getSetting('hide_app_name');
res.json({
appName: appName || 'Redlight',
hasLogo: !!logoFile,
logoUrl: logoFile ? '/api/branding/logo' : null,
defaultTheme: defaultTheme || null,
registrationMode: registrationMode || 'open',
imprintUrl: imprintUrl || null,
privacyUrl: privacyUrl || null,
oauthEnabled,
oauthDisplayName,
hideAppName: hideAppName === 'true',
});
} catch (err) {
log.branding.error('Get branding error:', err);
res.status(500).json({ error: 'Could not load branding' });
}
});
// GET /api/branding/logo - Serve logo file (public)
router.get('/logo', (req, res) => {
const logoFile = findLogoFile();
if (!logoFile) {
return res.status(404).json({ error: 'No logo found' });
}
// H5: serve SVG as attachment (Content-Disposition) to prevent in-browser script execution.
// For non-SVG images, inline display is fine.
const ext = path.extname(logoFile).toLowerCase();
if (ext === '.svg') {
res.setHeader('Content-Type', 'image/svg+xml');
res.setHeader('Content-Disposition', 'attachment; filename="logo.svg"');
res.setHeader('X-Content-Type-Options', 'nosniff');
return res.sendFile(logoFile);
}
res.sendFile(logoFile);
});
// POST /api/branding/logo - Upload logo (admin only)
router.post('/logo', authenticateToken, requireAdmin, (req, res) => {
upload.single('logo')(req, res, async (err) => {
if (err) {
if (err instanceof multer.MulterError) {
return res.status(400).json({ error: err.code === 'LIMIT_FILE_SIZE' ? 'File too large (max 5MB)' : err.message });
}
return res.status(400).json({ error: err.message });
}
if (!req.file) {
return res.status(400).json({ error: 'No file uploaded' });
}
// Remove old logo files that don't match the new extension
const files = fs.readdirSync(brandingDir);
for (const f of files) {
if (f.startsWith('logo.') && f !== req.file.filename) {
fs.unlinkSync(path.join(brandingDir, f));
}
}
res.json({
logoUrl: '/api/branding/logo',
message: 'Logo uploaded',
});
});
});
// DELETE /api/branding/logo - Remove logo (admin only)
router.delete('/logo', authenticateToken, requireAdmin, async (req, res) => {
try {
const logoFile = findLogoFile();
if (logoFile) {
fs.unlinkSync(logoFile);
}
res.json({ message: 'Logo removed' });
} catch (err) {
log.branding.error('Delete logo error:', err);
res.status(500).json({ error: 'Could not remove logo' });
}
});
// PUT /api/branding/name - Update app name (admin only)
router.put('/name', authenticateToken, requireAdmin, async (req, res) => {
try {
const { appName } = req.body;
if (!appName || !appName.trim()) {
return res.status(400).json({ error: 'App name is required' });
}
if (appName.trim().length > 100) {
return res.status(400).json({ error: 'App name must not exceed 100 characters' });
}
await setSetting('app_name', appName.trim());
res.json({ appName: appName.trim() });
} catch (err) {
log.branding.error('Update app name error:', err);
res.status(500).json({ error: 'Could not update app name' });
}
});
// PUT /api/branding/default-theme - Set default theme for unauthenticated pages (admin only)
router.put('/default-theme', authenticateToken, requireAdmin, async (req, res) => {
try {
const { defaultTheme } = req.body;
if (!defaultTheme || !defaultTheme.trim()) {
return res.status(400).json({ error: 'defaultTheme is required' });
}
// Basic format validation for theme ID
if (!SAFE_ID_RE.test(defaultTheme.trim())) {
return res.status(400).json({ error: 'Invalid theme' });
}
await setSetting('default_theme', defaultTheme.trim());
res.json({ defaultTheme: defaultTheme.trim() });
} catch (err) {
log.branding.error('Update default theme error:', err);
res.status(500).json({ error: 'Could not update default theme' });
}
});
// PUT /api/branding/registration-mode - Set registration mode (admin only)
router.put('/registration-mode', authenticateToken, requireAdmin, async (req, res) => {
try {
const { registrationMode } = req.body;
if (!registrationMode || !['open', 'invite'].includes(registrationMode)) {
return res.status(400).json({ error: 'registrationMode must be "open" or "invite"' });
}
await setSetting('registration_mode', registrationMode);
res.json({ registrationMode });
} catch (err) {
log.branding.error('Update registration mode error:', err);
res.status(500).json({ error: 'Could not update registration mode' });
}
});
// PUT /api/branding/imprint-url - Set imprint URL (admin only)
router.put('/imprint-url', authenticateToken, requireAdmin, async (req, res) => {
try {
const { imprintUrl } = req.body;
if (imprintUrl && imprintUrl.length > 500) {
return res.status(400).json({ error: 'URL must not exceed 500 characters' });
}
if (imprintUrl && imprintUrl.trim() && !isSafeUrl(imprintUrl.trim())) {
return res.status(400).json({ error: 'URL must start with http:// or https://' });
}
if (imprintUrl && imprintUrl.trim()) {
await setSetting('imprint_url', imprintUrl.trim());
} else {
await deleteSetting('imprint_url');
}
res.json({ imprintUrl: imprintUrl?.trim() || null });
} catch (err) {
log.branding.error('Update imprint URL error:', err);
res.status(500).json({ error: 'Could not update imprint URL' });
}
});
// PUT /api/branding/privacy-url - Set privacy policy URL (admin only)
router.put('/privacy-url', authenticateToken, requireAdmin, async (req, res) => {
try {
const { privacyUrl } = req.body;
if (privacyUrl && privacyUrl.length > 500) {
return res.status(400).json({ error: 'URL must not exceed 500 characters' });
}
if (privacyUrl && privacyUrl.trim() && !isSafeUrl(privacyUrl.trim())) {
return res.status(400).json({ error: 'URL must start with http:// or https://' });
}
if (privacyUrl && privacyUrl.trim()) {
await setSetting('privacy_url', privacyUrl.trim());
} else {
await deleteSetting('privacy_url');
}
res.json({ privacyUrl: privacyUrl?.trim() || null });
} catch (err) {
log.branding.error('Update privacy URL error:', err);
res.status(500).json({ error: 'Could not update privacy URL' });
}
});
// PUT /api/branding/hide-app-name - Toggle app name visibility (admin only)
router.put('/hide-app-name', authenticateToken, requireAdmin, async (req, res) => {
try {
const { hideAppName } = req.body;
if (typeof hideAppName !== 'boolean') {
return res.status(400).json({ error: 'hideAppName must be a boolean' });
}
if (hideAppName) {
await setSetting('hide_app_name', 'true');
} else {
await deleteSetting('hide_app_name');
}
res.json({ hideAppName });
} catch (err) {
log.branding.error('Update hide app name error:', err);
res.status(500).json({ error: 'Could not update setting' });
}
});
export default router;