server/routes/users.js

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