import ApplicationComponent from "../ApplicationComponent"; import session from "express-session"; import config from "config"; import RedisComponent from "./RedisComponent"; import flash from "connect-flash"; import {Router} from "express"; export default class SessionComponent extends ApplicationComponent { private readonly storeComponent: RedisComponent; public constructor(storeComponent: RedisComponent) { super(); this.storeComponent = storeComponent; } public async init(router: Router): Promise { router.use(session({ saveUninitialized: true, secret: config.get('session.secret'), store: this.storeComponent.getStore(), resave: true, cookie: { httpOnly: true, secure: config.get('session.cookie.secure'), maxAge: config.get('session.cookie.maxAge'), }, rolling: true, })); router.use(flash()); router.use((req, res, next) => { if (!req.session) { throw new Error('Session is unavailable.'); } res.locals.session = req.session; let _flash: any = {}; res.locals.flash = (key?: string) => { if (key !== undefined) { if (_flash[key] === undefined) _flash[key] = req.flash(key) || null; return _flash[key]; } if (_flash._messages === undefined) { _flash._messages = { info: req.flash('info'), success: req.flash('success'), warning: req.flash('warning'), error: req.flash('error'), }; } return _flash._messages; }; next(); }); } }