const autoload = require('auto-load') const bodyParser = require('body-parser') const compression = require('compression') const cookieParser = require('cookie-parser') const cors = require('cors') const express = require('express') const session = require('express-session') const KnexSessionStore = require('connect-session-knex')(session) const favicon = require('serve-favicon') const fs = require('fs-extra') const http = require('http') const https = require('https') const path = require('path') const _ = require('lodash') const { ApolloServer } = require('apollo-server-express') /* global WIKI */ module.exports = async () => { // ---------------------------------------- // Load core modules // ---------------------------------------- WIKI.auth = require('./core/auth').init() WIKI.lang = require('./core/localization').init() WIKI.mail = require('./core/mail').init() WIKI.system = require('./core/system').init() // ---------------------------------------- // Load middlewares // ---------------------------------------- var mw = autoload(path.join(WIKI.SERVERPATH, '/middlewares')) var ctrl = autoload(path.join(WIKI.SERVERPATH, '/controllers')) // ---------------------------------------- // Define Express App // ---------------------------------------- const app = express() WIKI.app = app app.use(compression()) // ---------------------------------------- // Security // ---------------------------------------- app.use(mw.security) app.use(cors(WIKI.config.cors)) app.options('*', cors(WIKI.config.cors)) if (WIKI.config.security.securityTrustProxy) { app.enable('trust proxy') } // ---------------------------------------- // Public Assets // ---------------------------------------- app.use(favicon(path.join(WIKI.ROOTPATH, 'assets', 'favicon.ico'))) app.use(express.static(path.join(WIKI.ROOTPATH, 'assets'), { index: false, maxAge: '7d' })) // ---------------------------------------- // Passport Authentication // ---------------------------------------- app.use(cookieParser()) app.use(session({ secret: WIKI.config.sessionSecret, resave: false, saveUninitialized: false, store: new KnexSessionStore({ knex: WIKI.models.knex }) })) app.use(WIKI.auth.passport.initialize()) app.use(WIKI.auth.authenticate) // ---------------------------------------- // SEO // ---------------------------------------- app.use(mw.seo) // ---------------------------------------- // View Engine Setup // ---------------------------------------- app.set('views', path.join(WIKI.SERVERPATH, 'views')) app.set('view engine', 'pug') app.use(bodyParser.json({ limit: '1mb' })) app.use(bodyParser.urlencoded({ extended: false, limit: '1mb' })) // ---------------------------------------- // Localization // ---------------------------------------- WIKI.lang.attachMiddleware(app) // ---------------------------------------- // View accessible data // ---------------------------------------- app.locals.analyticsCode = {} app.locals.basedir = WIKI.ROOTPATH app.locals.config = WIKI.config app.locals.pageMeta = { title: '', description: WIKI.config.description, image: '', url: '/' } // ---------------------------------------- // HMR (Dev Mode Only) // ---------------------------------------- if (global.DEV) { app.use(global.WP_DEV.devMiddleware) app.use(global.WP_DEV.hotMiddleware) } // ---------------------------------------- // Apollo Server (GraphQL) // ---------------------------------------- const graphqlSchema = require('./graph') const apolloServer = new ApolloServer({ ...graphqlSchema, context: ({ req, res }) => ({ req, res }), subscriptions: { onConnect: (connectionParams, webSocket) => { }, path: '/graphql-subscriptions' } }) apolloServer.applyMiddleware({ app }) // ---------------------------------------- // Routing // ---------------------------------------- app.use(async (req, res, next) => { res.locals.siteConfig = { title: WIKI.config.title, theme: WIKI.config.theming.theme, darkMode: WIKI.config.theming.darkMode, lang: WIKI.config.lang.code, rtl: WIKI.config.lang.rtl, company: WIKI.config.company } res.locals.langs = await WIKI.models.locales.getNavLocales({ cache: true }) res.locals.analyticsCode = await WIKI.models.analytics.getCode({ cache: true }) next() }) app.use('/', ctrl.auth) app.use('/', ctrl.upload) app.use('/', ctrl.common) // ---------------------------------------- // Error handling // ---------------------------------------- app.use((req, res, next) => { var err = new Error('Not Found') err.status = 404 next(err) }) app.use((err, req, res, next) => { res.status(err.status || 500) _.set(res.locals, 'pageMeta.title', 'Error') res.render('error', { message: err.message, error: WIKI.IS_DEBUG ? err : {} }) }) // ---------------------------------------- // HTTP/S server // ---------------------------------------- let srvConnections = {} app.set('port', WIKI.config.port) if (WIKI.config.ssl.enabled) { WIKI.logger.info(`HTTPS Server on port: [ ${WIKI.config.port} ]`) const tlsOpts = {} try { if (WIKI.config.ssl.format === 'pem') { tlsOpts.key = fs.readFileSync(WIKI.config.ssl.key) tlsOpts.cert = fs.readFileSync(WIKI.config.ssl.cert) } else { tlsOpts.pfx = fs.readFileSync(WIKI.config.ssl.pfx) } if (!_.isEmpty(WIKI.config.ssl.passphrase)) { tlsOpts.passphrase = WIKI.config.ssl.passphrase } if (!_.isEmpty(WIKI.config.ssl.dhparam)) { tlsOpts.dhparam = WIKI.config.ssl.dhparam } } catch (err) { WIKI.logger.error('Failed to setup HTTPS server parameters:') WIKI.logger.error(err) return process.exit(1) } WIKI.server = https.createServer(tlsOpts, app) // HTTP Redirect Server if (WIKI.config.ssl.redirectNonSSLPort) { WIKI.serverAlt = http.createServer((req, res) => { res.writeHead(301, { 'Location': 'https://' + req.headers['host'] + req.url }) res.end() }) } } else { WIKI.logger.info(`HTTP Server on port: [ ${WIKI.config.port} ]`) WIKI.server = http.createServer(app) } apolloServer.installSubscriptionHandlers(WIKI.server) WIKI.server.listen(WIKI.config.port, WIKI.config.bindIP) WIKI.server.on('error', (error) => { if (error.syscall !== 'listen') { throw error } // handle specific listen errors with friendly messages switch (error.code) { case 'EACCES': WIKI.logger.error('Listening on port ' + WIKI.config.port + ' requires elevated privileges!') return process.exit(1) case 'EADDRINUSE': WIKI.logger.error('Port ' + WIKI.config.port + ' is already in use!') return process.exit(1) default: throw error } }) WIKI.server.on('connection', conn => { let key = `${conn.remoteAddress}:${conn.remotePort}` srvConnections[key] = conn conn.on('close', function() { delete srvConnections[key] }) }) WIKI.server.on('listening', () => { if (WIKI.config.ssl.enabled) { WIKI.logger.info('HTTPS Server: [ RUNNING ]') // Start HTTP Redirect Server if (WIKI.config.ssl.redirectNonSSLPort) { WIKI.serverAlt.listen(WIKI.config.ssl.redirectNonSSLPort, WIKI.config.bindIP) WIKI.serverAlt.on('error', (error) => { if (error.syscall !== 'listen') { throw error } switch (error.code) { case 'EACCES': WIKI.logger.error('(HTTP Redirect) Listening on port ' + WIKI.config.port + ' requires elevated privileges!') return process.exit(1) case 'EADDRINUSE': WIKI.logger.error('(HTTP Redirect) Port ' + WIKI.config.port + ' is already in use!') return process.exit(1) default: throw error } }) WIKI.serverAlt.on('listening', () => { WIKI.logger.info('HTTP Server: [ RUNNING in redirect mode ]') }) } } else { WIKI.logger.info('HTTP Server: [ RUNNING ]') } }) WIKI.server.destroy = (cb) => { WIKI.server.close(cb) for (let key in srvConnections) { srvConnections[key].destroy() } if (WIKI.config.ssl.enabled && WIKI.config.ssl.redirectNonSSLPort) { WIKI.serverAlt.close(cb) } } return true }