canopy/src/controllers/loginController.js

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3.1 KiB
JavaScript

/*Canopy - The next generation of stoner streaming software
Copyright (C) 2024-2025 Rainbownapkin and the TTN Community
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.*/
//Config
const config = require('../../config.json');
//NPM Imports
const {validationResult, matchedData} = require('express-validator');
//Local Imports
const sessionUtils = require('../utils/sessionUtils');
const altchaUtils = require('../utils/altchaUtils');
const csrfUtils = require('../utils/csrfUtils');
//register page functions
module.exports.get = async function(req, res){
//Check for validation errors
const validResult = validationResult(req);
//If this request is coming from someone who's already logged in
if(req.session.user != null){
//Redirect them to the homepage
return res.redirect('/');
}
//If there are none
if(validResult.isEmpty()){
//Get username from sanatized/validated data
const {user} = matchedData(req);
const attempts = sessionUtils.getLoginAttempts(user);
//if we have previous attempts for this user
if(attempts != null){
if(attempts.count > sessionUtils.maxAttempts){
return res.render('lockedAccount', {instance: config.instanceName, links: config.links, user: req.session.user, csrfToken: csrfUtils.generateToken(req)});
}
//If the users login's are being throttled
if(attempts.count > sessionUtils.throttleAttempts){
//Get diffuculty based on amount of attempts past the max amount
const difficulty = attempts.count - sessionUtils.throttleAttempts;
//Generate challenge unique to specific user, with difficulty set based on failed login attempts
const challenge = await altchaUtils.genCaptcha(difficulty, user);
//Render page
return res.render('login', {instance: config.instanceName, links: config.links, user: req.session.user, challenge, csrfToken: csrfUtils.generateToken(req)});
}
//otherwise
}else{
//Render generic page
return res.render('login', {instance: config.instanceName, links: config.links, user: req.session.user, challenge: null, csrfToken: csrfUtils.generateToken(req)});
}
//if we received invalid input
}else{
//Render pretend nothing happened, send out a generic page
return res.render('login', {instance: config.instanceName, links: config.links, user: req.session.user, challenge: null, csrfToken: csrfUtils.generateToken(req)});
}
}