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", access.ajax, (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       newsRead: user.newsRead
  45     });
  46   };
  47   const anonymous = {
  48     name: "",
  49     email: "",
  50     id: 0,
  51     notify: false,
  52     newsRead: 0
  53   };
  54   if (!req.cookies.token)
  55     callback(anonymous);
  56   else if (req.cookies.token.match(/^[a-z0-9]+$/))
  57   {
  58     UserModel.getOne("sessionToken", req.cookies.token, (err, user) => {
  59       callback(user || anonymous);
  60     });
  61   }
  62 });
  63
  64 // NOTE: this method is safe because only IDs and names are returned
  65 router.get("/users", access.ajax, (req,res) => {
  66   const ids = req.query["ids"];
  67   if (ids.match(/^([0-9]+,?)+$/)) //NOTE: slightly too permissive
  68   {
  69     UserModel.getByIds(ids, (err,users) => {
  70       res.json({users:users});
  71     });
  72   }
  73 });
  74
  75 router.put('/update', access.logged, access.ajax, (req,res) => {
  76   const name = req.body.name;
  77   const email = req.body.email;
  78   if (UserModel.checkNameEmail({name: name, email: email}));
  79   {
  80     const user = {
  81       id: req.userId,
  82       name: name,
  83       email: email,
  84       notify: !!req.body.notify,
  85     };
  86     UserModel.updateSettings(user);
  87     res.json({});
  88   }
  89 });
  90
  91 // Special route to update newsRead timestamp:
  92 router.put('/newsread', access.logged, access.ajax, (req,res) => {
  93   UserModel.setNewsRead(req.userId);
  94   res.json({});
  95 });
  96
  97 // Authentication-related methods:
  98
  99 // to: object user (to who we send an email)
 100 function setAndSendLoginToken(subject, to, res)
 101 {
 102   // Set login token and send welcome(back) email with auth link
 103   const token = genToken(params.token.length);
 104   UserModel.setLoginToken(token, to.id);
 105   const body =
 106     "Hello " + to.name + " !" + `
 107 ` +
 108     "Access your account here: " +
 109     params.siteURL + "/#/authenticate/" + token + `
 110 ` +
 111     "Token will expire in " + params.token.expire/(1000*60) + " minutes."
 112   sendEmail(params.mail.noreply, to.email, subject, body);
 113 }
 114
 115 router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
 116   const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
 117   const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 118   if (UserModel.checkNameEmail({[type]: nameOrEmail}))
 119   {
 120     UserModel.getOne(type, nameOrEmail, (err,user) => {
 121       access.checkRequest(res, err, user, "Unknown user", () => {
 122         setAndSendLoginToken("Token for " + params.siteURL, user, res);
 123         res.json({});
 124       });
 125     });
 126   }
 127 });
 128
 129 router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
 130   if (!req.query.token.match(/^[a-z0-9]+$/))
 131     return res.json({errmsg: "Bad token"});
 132   UserModel.getOne("loginToken", req.query.token, (err,user) => {
 133     access.checkRequest(res, err, user, "Invalid token", () => {
 134       // If token older than params.tokenExpire, do nothing
 135       if (Date.now() > user.loginTime + params.token.expire)
 136         res.json({errmsg: "Token expired"});
 137       else
 138       {
 139         // Generate session token (if not exists) + destroy login token
 140         UserModel.trySetSessionToken(user.id, (token) => {
 141           res.cookie("token", token, {
 142             httpOnly: true,
 143             secure: !!params.siteURL.match(/^https/),
 144             maxAge: params.cookieExpire,
 145           });
 146           res.json({
 147             id: user.id,
 148             name: user.name,
 149             email: user.email,
 150             notify: user.notify,
 151           });
 152         });
 153       }
 154     });
 155   });
 156 });
 157
 158 router.get('/logout', access.logged, access.ajax, (req,res) => {
 159   res.clearCookie("token");
 160   res.json({});
 161 });
 162
 163 module.exports = router;