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127 lines
3.6 KiB
127 lines
3.6 KiB
// welcome.js
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// Copyright (C) 2022 DTP Technologies, LLC
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// License: Apache-2.0
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'use strict';
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const path = require('path');
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const express = require('express');
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const captcha = require('svg-captcha');
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const { SiteController } = require('../../lib/site-lib');
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class WelcomeController extends SiteController {
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constructor (dtp) {
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super(dtp, module.exports);
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}
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async start ( ) {
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const { limiter: limiterService } = this.dtp.services;
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const welcomeLimiter = limiterService.createMiddleware(limiterService.config.welcome);
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captcha.loadFont(path.join(this.dtp.config.root, 'client', 'fonts', 'Dirty Sweb.ttf'));
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function preventUserAccess (req, res, next) {
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if (req.user) {
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return res.redirect(301, '/');
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}
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return next();
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}
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const router = express.Router();
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this.dtp.app.use('/welcome', welcomeLimiter, async (req, res, next) => {
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res.locals.currentView = 'welcome';
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return next();
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}, router);
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router.get('/core-member', preventUserAccess, this.getWelcomeCoreMember.bind(this));
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router.get('/signup/captcha', this.getSignupCaptcha.bind(this));
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router.get('/signup', preventUserAccess, this.getSignupView.bind(this));
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router.get('/login', preventUserAccess, this.getLoginView.bind(this));
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router.get('/', preventUserAccess, this.getHomeView.bind(this));
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return router;
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}
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async getWelcomeCoreMember (req, res) {
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res.render('welcome/core-member');
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}
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async getSignupCaptcha (req, res) {
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if (!req.session || !req.session.captcha || !req.session.captcha.signup) {
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return res.status(500).end('Session is not in a valid state for generating a captcha image');
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}
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const signupCaptcha = captcha(req.session.captcha.signup, {
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color: false,
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noise: 3,
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width: 300,
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height: 80,
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});
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res.set('Content-Type', 'image/svg+xml');
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res.set('Content-Length', signupCaptcha.length);
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res.status(200).send(signupCaptcha);
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}
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async getSignupView (req, res) {
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const {
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csrfToken: csrfTokenService,
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logan: loganService,
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} = this.dtp.services;
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req.csrfToken = await csrfTokenService.create(req, {
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name: 'user-create',
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expiresMinutes: 20,
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});
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req.session.captcha = req.session.captcha || { };
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req.session.captcha.signup = captcha.randomText(4 + Math.floor(Math.random()*4));
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'getSignupView',
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message: 'serving new member signup view',
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});
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res.render('welcome/signup');
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}
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async getLoginView (req, res) {
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const { logan: loganService } = this.dtp.services;
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res.locals.loginResult = req.session.loginResult;
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'getLoginView',
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message: 'serving member login view',
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});
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res.render('welcome/login');
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}
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async getHomeView (req, res, next) {
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const { logan: loganService } = this.dtp.services;
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try {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'info',
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event: 'getHomeView',
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message: 'serving the Welcome home page',
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});
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res.render('welcome/index');
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} catch (error) {
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loganService.sendRequestEvent(module.exports, req, {
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level: 'error',
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event: 'getHomeView',
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message: `failed to render the view: ${error.message}`,
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data: { error },
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});
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return next(error);
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}
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}
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}
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module.exports = {
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logId: 'welcome',
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index: 'welcome',
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className: 'WelcomeController',
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create: async (dtp) => { return new WelcomeController(dtp); },
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}; |