Path = require "path" express = require('express') Settings = require('settings-sharelatex') logger = require 'logger-sharelatex' metrics = require('metrics-sharelatex') crawlerLogger = require('./CrawlerLogger') expressLocals = require('./ExpressLocals') Router = require('../router') helmet = require "helmet" metrics.inc("startup") UserSessionsRedis = require('../Features/User/UserSessionsRedis') Csrf = require('./Csrf') sessionsRedisClient = UserSessionsRedis.client() session = require("express-session") RedisStore = require('connect-redis')(session) bodyParser = require('body-parser') methodOverride = require('method-override') cookieParser = require('cookie-parser') bearerToken = require('express-bearer-token') # Init the session store sessionStore = new RedisStore(client:sessionsRedisClient) passport = require('passport') LocalStrategy = require('passport-local').Strategy Mongoose = require("./Mongoose") oneDayInMilliseconds = 86400000 ReferalConnect = require('../Features/Referal/ReferalConnect') RedirectManager = require("./RedirectManager") ProxyManager = require("./ProxyManager") translations = require("translations-sharelatex").setup(Settings.i18n) Modules = require "./Modules" ErrorController = require "../Features/Errors/ErrorController" UserSessionsManager = require "../Features/User/UserSessionsManager" AuthenticationController = require "../Features/Authentication/AuthenticationController" metrics.event_loop?.monitor(logger) Settings.editorIsOpen ||= true if Settings.cacheStaticAssets staticCacheAge = (oneDayInMilliseconds * 365) else staticCacheAge = 0 app = express() webRouter = express.Router() privateApiRouter = express.Router() publicApiRouter = express.Router() if Settings.behindProxy app.enable('trust proxy') webRouter.use express.static(__dirname + '/../../../public', {maxAge: staticCacheAge }) app.set 'views', __dirname + '/../../views' app.set 'view engine', 'pug' Modules.loadViewIncludes app app.use bodyParser.urlencoded({ extended: true, limit: "2mb"}) # Make sure we can process the max doc length plus some overhead for JSON encoding app.use bodyParser.json({limit: Settings.max_doc_length + 64 * 1024}) # 64kb overhead app.use methodOverride() app.use bearerToken() app.use metrics.http.monitor(logger) RedirectManager.apply(webRouter) ProxyManager.apply(publicApiRouter) webRouter.use cookieParser(Settings.security.sessionSecret) webRouter.use session resave: false saveUninitialized:false secret:Settings.security.sessionSecret proxy: Settings.behindProxy cookie: domain: Settings.cookieDomain maxAge: Settings.cookieSessionLength secure: Settings.secureCookie store: sessionStore key: Settings.cookieName rolling: true # passport webRouter.use passport.initialize() webRouter.use passport.session() passport.use(new LocalStrategy( { passReqToCallback: true, usernameField: 'email', passwordField: 'password' }, AuthenticationController.doPassportLogin )) passport.serializeUser(AuthenticationController.serializeUser) passport.deserializeUser(AuthenticationController.deserializeUser) Modules.hooks.fire 'passportSetup', passport, (err) -> if err? logger.err {err}, "error setting up passport in modules" Modules.applyNonCsrfRouter(webRouter, privateApiRouter, publicApiRouter) webRouter.csrf = new Csrf() webRouter.use webRouter.csrf.middleware webRouter.use translations.expressMiddlewear webRouter.use translations.setLangBasedOnDomainMiddlewear # Measure expiry from last request, not last login webRouter.use (req, res, next) -> req.session.touch() if AuthenticationController.isUserLoggedIn(req) UserSessionsManager.touch(AuthenticationController.getSessionUser(req), (err)->) next() webRouter.use ReferalConnect.use expressLocals(app, webRouter, privateApiRouter, publicApiRouter) if app.get('env') == 'production' logger.info "Production Enviroment" app.enable('view cache') app.use (req, res, next)-> metrics.inc "http-request" crawlerLogger.log(req) next() webRouter.use (req, res, next) -> if Settings.editorIsOpen next() else if req.url.indexOf("/admin") == 0 next() else res.status(503) res.render("general/closed", {title:"maintenance"}) # add security headers using Helmet webRouter.use (req, res, next) -> isLoggedIn = AuthenticationController.isUserLoggedIn(req) isProjectPage = !!req.path.match('^/project/[a-f0-9]{24}$') helmet({ # note that more headers are added by default dnsPrefetchControl: false referrerPolicy: { policy: 'origin-when-cross-origin' } noCache: isLoggedIn || isProjectPage noSniff: false hsts: false frameguard: false })(req, res, next) profiler = require "v8-profiler" privateApiRouter.get "/profile", (req, res) -> time = parseInt(req.query.time || "1000") profiler.startProfiling("test") setTimeout () -> profile = profiler.stopProfiling("test") res.json(profile) , time app.get "/heapdump", (req, res)-> require('heapdump').writeSnapshot '/tmp/' + Date.now() + '.web.heapsnapshot', (err, filename)-> res.send filename logger.info ("creating HTTP server").yellow server = require('http').createServer(app) # provide settings for separate web and api processes # if enableApiRouter and enableWebRouter are not defined they default # to true. notDefined = (x) -> !x? enableApiRouter = Settings.web?.enableApiRouter if enableApiRouter or notDefined(enableApiRouter) logger.info("providing api router"); app.use(privateApiRouter) app.use(ErrorController.handleApiError) enableWebRouter = Settings.web?.enableWebRouter if enableWebRouter or notDefined(enableWebRouter) logger.info("providing web router"); app.use(publicApiRouter) # public API goes with web router for public access app.use(ErrorController.handleApiError) app.use(webRouter) app.use(ErrorController.handleError) router = new Router(webRouter, privateApiRouter, publicApiRouter) module.exports = app: app server: server