const busboy = require('connect-busboy'); const helmet = require('helmet'); const bodyParser = require('body-parser'); const languages = require('../languages'); const storage = require('../storage'); const config = require('../config'); const pages = require('./pages'); const { negotiateLanguages } = require('fluent-langneg'); const IS_DEV = config.env === 'development'; const acceptLanguages = /(([a-zA-Z]+(-[a-zA-Z0-9]+){0,2})|\*)(;q=[0-1](\.[0-9]+)?)?/g; const langData = require('cldr-core/supplemental/likelySubtags.json'); module.exports = function(app) { app.use(function(req, res, next) { const header = req.headers['accept-language'] || 'en-US'; if (header.length > 255) { req.language = 'en-US'; return next(); } const langs = header.replace(/\s/g, '').match(acceptLanguages); const preferred = langs .map(l => { const parts = l.split(';'); return { locale: parts[0], q: parts[1] ? parseFloat(parts[1].split('=')[1]) : 1 }; }) .sort((a, b) => b.q - a.q) .map(x => x.locale); req.language = negotiateLanguages(preferred, languages, { strategy: 'lookup', likelySubtags: langData.supplemental.likelySubtags, defaultLocale: 'en-US' })[0]; next(); }); app.use(helmet()); app.use( helmet.hsts({ maxAge: 31536000, force: !IS_DEV }) ); if (!IS_DEV) { app.use( helmet.contentSecurityPolicy({ directives: { defaultSrc: ["'self'"], connectSrc: [ "'self'", 'https://sentry.prod.mozaws.net', 'https://www.google-analytics.com' ], imgSrc: ["'self'", 'https://www.google-analytics.com'], scriptSrc: ["'self'"], styleSrc: ["'self'", 'https://code.cdn.mozilla.net'], fontSrc: ["'self'", 'https://code.cdn.mozilla.net'], formAction: ["'none'"], frameAncestors: ["'none'"], objectSrc: ["'none'"], reportUri: '/__cspreport__' } }) ); } app.use( busboy({ limits: { fileSize: config.max_file_size } }) ); app.use(function(req, res, next) { res.set('Pragma', 'no-cache'); res.set('Cache-Control', 'no-cache'); next(); }); app.use(bodyParser.json()); app.get('/', pages.index); app.get('/legal', pages.legal); app.get('/jsconfig.js', require('./jsconfig')); app.get('/share/:id', pages.blank); app.get('/download/:id', pages.download); app.get('/completed', pages.blank); app.get('/unsupported/:reason', pages.unsupported); app.get('/api/download/:id', require('./download')); app.get('/api/exists/:id', require('./exists')); app.get('/api/metadata/:id', require('./metadata')); app.post('/api/upload', require('./upload')); app.post('/api/delete/:id', require('./delete')); app.post('/api/password/:id', require('./password')); app.get('/__version__', function(req, res) { res.sendFile(require.resolve('../../dist/version.json')); }); app.get('/__lbheartbeat__', function(req, res) { res.sendStatus(200); }); app.get('/__heartbeat__', async (req, res) => { try { await storage.ping(); res.sendStatus(200); } catch (e) { res.sendStatus(500); } }); };