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import bcrypt from "bcryptjs"; |
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import jwt from "jsonwebtoken"; |
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import { db } from "./db.js" |
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// separata modeller för emp och user eftersom |
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// inloggningen och registereringen fungerar annorlunda |
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// och checkToken funktionen kommer också skilja sig, |
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// dels ingen check för roll och dets lyfta ut idt och lägga till på req.body |
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const emp = { |
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getOneFromDb: async function(username) { |
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const result = await db.queryWithArgs(`CALL emp_login(?);`, [username]); |
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return result[0][0]; |
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}, |
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checkAdminAcc: function(req, res, next) { |
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this.checkToken(req, res, next, ["admin"]); |
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}, |
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/** |
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* |
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* @param {*} req |
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* @param {*} res |
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* @param {*} next |
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* @param {Array} acceptableRoles array with acceptable roles, for example ["admin"] or ["admin", "superadmin"] |
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*/ |
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checkToken: function(req, res, next, acceptableRoles) { |
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let token = req.headers["x-access-token"]; |
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jwt.verify(token, process.env.JWT_SECRET, function (err, decoded) { |
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// if no token has been provided, |
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// or if provided token is expired |
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// this block will be executed |
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if (err) { |
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return res.status(500).json({ |
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errors: { |
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status: 500, |
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source: "authorization", |
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title: "Failed authentication", |
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detail: err.message |
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} |
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}); |
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} |
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if (!acceptableRoles.includes(decoded.role)) { |
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// if unauthorized request it is safer |
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// to make it look like the page does not |
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// exist |
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return res.status(404).json({ |
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errors: { |
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status: 404, |
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source: req.originalUrl, |
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title: "Not found", |
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detail: "Page not found" |
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} |
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}); |
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} |
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// kallar den för emp för att skilja från user attributet som kan vara med i vissa förfrågningar |
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req.body.emp = { |
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id: decoded.id, |
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role: decoded.role |
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}; |
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return next(); |
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}); |
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}, |
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/** |
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* @description Function that handles admin login |
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* |
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* @param {Request} req Request object |
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* @param {Response} res Response object |
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* @param {Function} next Next function |
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* |
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* @returns {Object} JSON object |
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*/ |
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login: async function login(req, res) { |
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const username = req.body.username; |
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const password = req.body.password; |
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const emp = await this.getOneFromDB(username); |
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// om användarnamn saknas kommer |
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// databasen lyfta ett error |
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// om lösenord saknas kommer det fångas i bcrypt compare |
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return this.comparePasswords(res, password, emp); |
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}, |
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/** |
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* @description Function that compares passwords |
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* |
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* @param {Request} req Request object |
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* @param {String} password Password |
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* @param {Object} user User |
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* |
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* @returns {Object} JSON object |
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*/ |
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comparePasswords: function comparePasswords(res, password, emp) { |
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bcrypt.compare(password, emp.hash, (err, result) => { |
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if (err) { |
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return res.status(500).json({ |
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errors: { |
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status: 500, |
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source: "/login", |
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title: "bcrypt error", |
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detail: "bcrypt error" |
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} |
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}); |
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} |
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110
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if (result) { |
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const payload = { |
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id: emp.id, |
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role: emp.role |
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}; |
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const jwtToken = jwt.sign(payload, process.env.JWT_SECRET, { expiresIn: "24h" }); |
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return res.json({ |
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data: { |
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type: "success", |
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message: "User logged in", |
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user: payload, |
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token: jwtToken |
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} |
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}); |
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} |
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return res.status(401).json({ |
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errors: { |
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status: 401, |
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source: "/login", |
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title: "Wrong password", |
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detail: "Password is incorrect." |
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} |
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}); |
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}); |
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} |
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}; |
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export default emp; |
JuliaLind /
vteam-server
