server/routes/users.js

   1 let router = require("express").Router();
   2 const UserModel = require('../models/User');
   3 const sendEmail = require('../utils/mailer');
   4 const genToken = require("../utils/tokenGenerator");
   5 const access = require("../utils/access");
   6 const params = require("../config/parameters");
   7
   8 router.post('/register', access.unlogged, access.ajax, (req,res) => {
   9   const name = req.body.name;
  10   const email = req.body.email;
  11   const notify = !!req.body.notify;
  12   if (UserModel.checkNameEmail({name: name, email: email}))
  13   {
  14     UserModel.create(name, email, notify, (err,ret) => {
  15       if (err)
  16         res.json({errmsg: "User creation failed. Try again"});
  17       else
  18       {
  19         const user = {
  20           id: ret.uid,
  21           name: name,
  22           email: email,
  23         };
  24         setAndSendLoginToken("Welcome to " + params.siteURL, user, res);
  25         res.json({});
  26       }
  27     });
  28   }
  29 });
  30
  31 // NOTE: this method is safe because the sessionToken must be guessed
  32 router.get("/whoami", access.ajax, (req,res) => {
  33   const callback = (user) => {
  34     res.json({
  35       name: user.name,
  36       email: user.email,
  37       id: user.id,
  38       notify: user.notify,
  39     });
  40   };
  41   const anonymous = {name:"", email:"", id:0, notify:false};
  42   if (!req.cookies.token)
  43     callback(anonymous);
  44   else if (req.cookies.token.match(/^[a-z0-9]+$/))
  45   {
  46     UserModel.getOne("sessionToken", req.cookies.token, (err, user) => {
  47       callback(user || anonymous);
  48     });
  49   }
  50 });
  51
  52 // NOTE: this method is safe because only IDs and names are returned
  53 router.get("/users", access.ajax, (req,res) => {
  54   const ids = req.query["ids"];
  55   if (ids.match(/^([0-9]+,?)+$/)) //NOTE: slightly too permissive
  56   {
  57     UserModel.getByIds(ids, (err,users) => {
  58       res.json({users:users});
  59     });
  60   }
  61 });
  62
  63 router.put('/update', access.logged, access.ajax, (req,res) => {
  64   const name = req.body.name;
  65   const email = req.body.email;
  66   if (UserModel.checkNameEmail({name: name, email: email}));
  67   {
  68     const user = {
  69       id: req.userId,
  70       name: name,
  71       email: email,
  72       notify: !!req.body.notify,
  73     };
  74     UserModel.updateSettings(user);
  75     res.json({});
  76   }
  77 });
  78
  79 // Authentication-related methods:
  80
  81 // to: object user (to who we send an email)
  82 function setAndSendLoginToken(subject, to, res)
  83 {
  84   // Set login token and send welcome(back) email with auth link
  85   const token = genToken(params.token.length);
  86   UserModel.setLoginToken(token, to.id);
  87   const body =
  88     "Hello " + to.name + "!" + `
  89 ` +
  90     "Access your account here: " +
  91     params.siteURL + "/#/authenticate/" + token + `
  92 ` +
  93     "Token will expire in " + params.token.expire/(1000*60) + " minutes."
  94   sendEmail(params.mail.noreply, to.email, subject, body);
  95 }
  96
  97 router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
  98   const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
  99   const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 100   if (UserModel.checkNameEmail({[type]: nameOrEmail}))
 101   {
 102     UserModel.getOne(type, nameOrEmail, (err,user) => {
 103       access.checkRequest(res, err, user, "Unknown user", () => {
 104         setAndSendLoginToken("Token for " + params.siteURL, user, res);
 105         res.json({});
 106       });
 107     });
 108   }
 109 });
 110
 111 router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
 112   if (!req.query.token.match(/^[a-z0-9]+$/))
 113     return res.json({errmsg: "Bad token"});
 114   UserModel.getOne("loginToken", req.query.token, (err,user) => {
 115     access.checkRequest(res, err, user, "Invalid token", () => {
 116       // If token older than params.tokenExpire, do nothing
 117       if (Date.now() > user.loginTime + params.token.expire)
 118         res.json({errmsg: "Token expired"});
 119       else
 120       {
 121         // Generate session token (if not exists) + destroy login token
 122         UserModel.trySetSessionToken(user.id, (token) => {
 123           res.cookie("token", token, {
 124             httpOnly: true,
 125             secure: !!params.siteURL.match(/^https/),
 126             maxAge: params.cookieExpire,
 127           });
 128           res.json({
 129             id: user.id,
 130             name: user.name,
 131             email: user.email,
 132             notify: user.notify,
 133           });
 134         });
 135       }
 136     });
 137   });
 138 });
 139
 140 router.get('/logout', access.logged, access.ajax, (req,res) => {
 141   res.clearCookie("token");
 142   res.json({});
 143 });
 144
 145 module.exports = router;