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       {
  17         const msg = err.code == "SQLITE_CONSTRAINT"
  18           ? "User name or email already in use"
  19           : "User creation failed. Try again";
  20         res.json({errmsg: msg});
  21       }
  22       else
  23       {
  24         const user = {
  25           id: ret.uid,
  26           name: name,
  27           email: email,
  28         };
  29         setAndSendLoginToken("Welcome to " + params.siteURL, user, res);
  30         res.json({});
  31       }
  32     });
  33   }
  34 });
  35
  36 // NOTE: this method is safe because the sessionToken must be guessed
  37 router.get("/whoami", (req,res) => {
  38   const callback = (user) => {
  39     res.json({
  40       name: user.name,
  41       email: user.email,
  42       id: user.id,
  43       notify: user.notify,
  44     });
  45   };
  46   const anonymous = {name:"", email:"", id:0, notify:false};
  47   if (!req.cookies.token)
  48     callback(anonymous);
  49   else if (req.cookies.token.match(/^[a-z0-9]+$/))
  50   {
  51     UserModel.getOne("sessionToken", req.cookies.token, (err, user) => {
  52       callback(user || anonymous);
  53     });
  54   }
  55 });
  56
  57 // NOTE: this method is safe because only IDs and names are returned
  58 router.get("/users", access.ajax, (req,res) => {
  59   const ids = req.query["ids"];
  60   if (ids.match(/^([0-9]+,?)+$/)) //NOTE: slightly too permissive
  61   {
  62     UserModel.getByIds(ids, (err,users) => {
  63       res.json({users:users});
  64     });
  65   }
  66 });
  67
  68 router.put('/update', access.logged, access.ajax, (req,res) => {
  69   const name = req.body.name;
  70   const email = req.body.email;
  71   if (UserModel.checkNameEmail({name: name, email: email}));
  72   {
  73     const user = {
  74       id: req.userId,
  75       name: name,
  76       email: email,
  77       notify: !!req.body.notify,
  78     };
  79     UserModel.updateSettings(user);
  80     res.json({});
  81   }
  82 });
  83
  84 // Authentication-related methods:
  85
  86 // to: object user (to who we send an email)
  87 function setAndSendLoginToken(subject, to, res)
  88 {
  89   // Set login token and send welcome(back) email with auth link
  90   const token = genToken(params.token.length);
  91   UserModel.setLoginToken(token, to.id);
  92   const body =
  93     "Hello " + to.name + "!" + `
  94 ` +
  95     "Access your account here: " +
  96     params.siteURL + "/#/authenticate/" + token + `
  97 ` +
  98     "Token will expire in " + params.token.expire/(1000*60) + " minutes."
  99   sendEmail(params.mail.noreply, to.email, subject, body);
 100 }
 101
 102 router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
 103   const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
 104   const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 105   if (UserModel.checkNameEmail({[type]: nameOrEmail}))
 106   {
 107     UserModel.getOne(type, nameOrEmail, (err,user) => {
 108       access.checkRequest(res, err, user, "Unknown user", () => {
 109         setAndSendLoginToken("Token for " + params.siteURL, user, res);
 110         res.json({});
 111       });
 112     });
 113   }
 114 });
 115
 116 router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
 117   if (!req.query.token.match(/^[a-z0-9]+$/))
 118     return res.json({errmsg: "Bad token"});
 119   UserModel.getOne("loginToken", req.query.token, (err,user) => {
 120     access.checkRequest(res, err, user, "Invalid token", () => {
 121       // If token older than params.tokenExpire, do nothing
 122       if (Date.now() > user.loginTime + params.token.expire)
 123         res.json({errmsg: "Token expired"});
 124       else
 125       {
 126         // Generate session token (if not exists) + destroy login token
 127         UserModel.trySetSessionToken(user.id, (token) => {
 128           res.cookie("token", token, {
 129             httpOnly: true,
 130             secure: !!params.siteURL.match(/^https/),
 131             maxAge: params.cookieExpire,
 132           });
 133           res.json({
 134             id: user.id,
 135             name: user.name,
 136             email: user.email,
 137             notify: user.notify,
 138           });
 139         });
 140       }
 141     });
 142   });
 143 });
 144
 145 router.get('/logout', access.logged, access.ajax, (req,res) => {
 146   res.clearCookie("token");
 147   res.json({});
 148 });
 149
 150 module.exports = router;