| 1 | var UserModel = require("../models/User"); |
| 2 | |
| 3 | module.exports = |
| 4 | { |
| 5 | // Prevent access to "users pages" |
| 6 | logged: function(req, res, next) { |
| 7 | const callback = () => { |
| 8 | if (!loggedIn) |
| 9 | res.json({ errmsg: "Error: try to delete cookies" }); |
| 10 | else next(); |
| 11 | }; |
| 12 | let loggedIn = undefined; |
| 13 | if (!req.cookies.token) { |
| 14 | loggedIn = false; |
| 15 | callback(); |
| 16 | } else { |
| 17 | UserModel.getOne("sessionToken", req.cookies.token, (err, user) => { |
| 18 | if (!!user) { |
| 19 | req.userId = user.id; |
| 20 | req.userName = user.name; |
| 21 | loggedIn = true; |
| 22 | } else { |
| 23 | // Token in cookies presumably wrong: erase it |
| 24 | res.clearCookie("token"); |
| 25 | loggedIn = false; |
| 26 | } |
| 27 | callback(); |
| 28 | }); |
| 29 | } |
| 30 | }, |
| 31 | |
| 32 | // Prevent access to "anonymous pages" |
| 33 | unlogged: function(req, res, next) { |
| 34 | // Just a quick heuristic, which should be enough |
| 35 | const loggedIn = !!req.cookies.token; |
| 36 | if (loggedIn) res.json({ errmsg: "Error: try to delete cookies" }); |
| 37 | else next(); |
| 38 | }, |
| 39 | |
| 40 | // Prevent direct access to AJAX results |
| 41 | ajax: function(req, res, next) { |
| 42 | if (!req.xhr) res.json({ errmsg: "Unauthorized access" }); |
| 43 | else next(); |
| 44 | }, |
| 45 | |
| 46 | // Check for errors before callback (continue page loading). (TODO: name?) |
| 47 | checkRequest: function(res, err, out, msg, cb) { |
| 48 | if (!!err) res.json({ errmsg: err.errmsg || err.toString() }); |
| 49 | else if ( |
| 50 | !out || |
| 51 | (Array.isArray(out) && out.length == 0) || |
| 52 | (typeof out === "object" && Object.keys(out).length == 0) |
| 53 | ) { |
| 54 | res.json({ errmsg: msg }); |
| 55 | } else cb(); |
| 56 | } |
| 57 | } |