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     UserModel.create(name, email, notify, (err, ret) => {
  14       if (!!err) {
  15         const msg = err.code == "SQLITE_CONSTRAINT"
  16           ? "User name or email already in use"
  17           : "User creation failed. Try again";
  18         res.json({errmsg: msg});
  19       } else {
  20         const user = {
  21           id: ret.id,
  22           name: name,
  23           email: email,
  24         };
  25         setAndSendLoginToken("Welcome to " + params.siteURL, user, res);
  26         res.json({});
  27       }
  28     });
  29   }
  30 });
  31
  32 // NOTE: this method is safe because the sessionToken must be guessed
  33 router.get("/whoami", access.ajax, (req,res) => {
  34   const callback = (user) => {
  35     res.json({
  36       name: user.name,
  37       email: user.email,
  38       id: user.id,
  39       notify: user.notify,
  40       newsRead: user.newsRead
  41     });
  42   };
  43   const anonymous = {
  44     name: "",
  45     email: "",
  46     id: 0,
  47     notify: false,
  48     newsRead: 0
  49   };
  50   if (!req.cookies.token) callback(anonymous);
  51   else if (req.cookies.token.match(/^[a-z0-9]+$/)) {
  52     UserModel.getOne("sessionToken", req.cookies.token, (err, user) => {
  53       callback(user || anonymous);
  54     });
  55   }
  56 });
  57
  58 // NOTE: this method is safe because only IDs and names are returned
  59 router.get("/users", access.ajax, (req,res) => {
  60   const ids = req.query["ids"];
  61   // NOTE: slightly too permissive RegExp
  62   if (ids.match(/^([0-9]+,?)+$/)) {
  63     UserModel.getByIds(ids, (err,users) => {
  64       res.json({users:users});
  65     });
  66   }
  67 });
  68
  69 router.put('/update', access.logged, access.ajax, (req,res) => {
  70   const name = req.body.name;
  71   const email = req.body.email;
  72   if (UserModel.checkNameEmail({name: name, email: email})) {
  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   // Set login token and send welcome(back) email with auth link
  95   const token = genToken(params.token.length);
  96   UserModel.setLoginToken(token, to.id);
  97   const body =
  98     "Hello " + to.name + " !" + `
  99 ` +
 100     "Access your account here: " +
 101     params.siteURL + "/#/authenticate/" + token + `
 102 ` +
 103     "Token will expire in " + params.token.expire/(1000*60) + " minutes."
 104   sendEmail(params.mail.noreply, to.email, subject, body);
 105 }
 106
 107 router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
 108   const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
 109   const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 110   if (UserModel.checkNameEmail({[type]: nameOrEmail})) {
 111     UserModel.getOne(type, nameOrEmail, (err,user) => {
 112       access.checkRequest(res, err, user, "Unknown user", () => {
 113         setAndSendLoginToken("Token for " + params.siteURL, user, res);
 114         res.json({});
 115       });
 116     });
 117   }
 118 });
 119
 120 router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
 121   if (!req.query.token.match(/^[a-z0-9]+$/))
 122     return res.json({errmsg: "Bad token"});
 123   UserModel.getOne("loginToken", req.query.token, (err,user) => {
 124     access.checkRequest(res, err, user, "Invalid token", () => {
 125       // If token older than params.tokenExpire, do nothing
 126       if (Date.now() > user.loginTime + params.token.expire)
 127         res.json({errmsg: "Token expired"});
 128       else {
 129         // Generate session token (if not exists) + destroy login token
 130         UserModel.trySetSessionToken(user.id, (token) => {
 131           res.cookie("token", token, {
 132             httpOnly: true,
 133             secure: !!params.siteURL.match(/^https/),
 134             maxAge: params.cookieExpire,
 135           });
 136           res.json({
 137             id: user.id,
 138             name: user.name,
 139             email: user.email,
 140             notify: user.notify,
 141           });
 142         });
 143       }
 144     });
 145   });
 146 });
 147
 148 router.get('/logout', access.logged, access.ajax, (req,res) => {
 149   res.clearCookie("token");
 150   res.json({});
 151 });
 152
 153 module.exports = router;