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     });
  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 // Special route to update newsRead timestamp:
  85 router.put('/newsread', access.logged, access.ajax, (req,res) => {
  86   UserModel.setNewsRead(req.userId);
  87   res.json({});
  88 });
  89
  90 // Authentication-related methods:
  91
  92 // to: object user (to who we send an email)
  93 function setAndSendLoginToken(subject, to, res)
  94 {
  95   // Set login token and send welcome(back) email with auth link
  96   const token = genToken(params.token.length);
  97   UserModel.setLoginToken(token, to.id);
  98   const body =
  99     "Hello " + to.name + " !" + `
 100 ` +
 101     "Access your account here: " +
 102     params.siteURL + "/#/authenticate/" + token + `
 103 ` +
 104     "Token will expire in " + params.token.expire/(1000*60) + " minutes."
 105   sendEmail(params.mail.noreply, to.email, subject, body);
 106 }
 107
 108 router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
 109   const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
 110   const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 111   if (UserModel.checkNameEmail({[type]: nameOrEmail}))
 112   {
 113     UserModel.getOne(type, nameOrEmail, (err,user) => {
 114       access.checkRequest(res, err, user, "Unknown user", () => {
 115         setAndSendLoginToken("Token for " + params.siteURL, user, res);
 116         res.json({});
 117       });
 118     });
 119   }
 120 });
 121
 122 router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
 123   if (!req.query.token.match(/^[a-z0-9]+$/))
 124     return res.json({errmsg: "Bad token"});
 125   UserModel.getOne("loginToken", req.query.token, (err,user) => {
 126     access.checkRequest(res, err, user, "Invalid token", () => {
 127       // If token older than params.tokenExpire, do nothing
 128       if (Date.now() > user.loginTime + params.token.expire)
 129         res.json({errmsg: "Token expired"});
 130       else
 131       {
 132         // Generate session token (if not exists) + destroy login token
 133         UserModel.trySetSessionToken(user.id, (token) => {
 134           res.cookie("token", token, {
 135             httpOnly: true,
 136             secure: !!params.siteURL.match(/^https/),
 137             maxAge: params.cookieExpire,
 138           });
 139           res.json({
 140             id: user.id,
 141             name: user.name,
 142             email: user.email,
 143             notify: user.notify,
 144           });
 145         });
 146       }
 147     });
 148   });
 149 });
 150
 151 router.get('/logout', access.logged, access.ajax, (req,res) => {
 152   res.clearCookie("token");
 153   res.json({});
 154 });
 155
 156 module.exports = router;