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 const sanitizeHtml_pkg = require('sanitize-html');
   8 const { exec } = require("child_process");
   9
  10 const allowedTags = [
  11   'h3', 'h4', 'h5', 'h6', 'blockquote', 'p', 'a', 'ul', 'ol', 'li', 'b',
  12   'i', 'strong', 'em', 'strike', 'code', 'hr', 'br', 'div', 'table',
  13   'thead', 'caption', 'tbody', 'tr', 'th', 'td', 'pre'
  14 ];
  15 function sanitizeHtml(text) {
  16   return sanitizeHtml_pkg(text, { allowedTags: allowedTags });
  17 }
  18
  19 router.get("/userbio", access.ajax, (req,res) => {
  20   const uid = req.query["id"];
  21   if (!!(uid.toString().match(/^[0-9]+$/))) {
  22     UserModel.getBio(uid, (err, bio) => {
  23       res.json(bio);
  24     });
  25   }
  26 });
  27
  28 router.put('/userbio', access.logged, access.ajax, (req,res) => {
  29   const bio = sanitizeHtml(req.body.bio);
  30   UserModel.setBio(req.userId, bio);
  31   res.json({});
  32 });
  33
  34 router.post('/register', access.unlogged, access.ajax, (req,res) => {
  35   const name = req.body.name;
  36   const email = req.body.email;
  37   const notify = !!req.body.notify;
  38   if (UserModel.checkNameEmail({ name: name, email: email })) {
  39     UserModel.create(name, email, notify, (err, ret) => {
  40       if (!!err) {
  41         const msg = err.code == "SQLITE_CONSTRAINT"
  42           ? "User name or email already in use"
  43           : "User creation failed. Try again";
  44         res.json({ errmsg: msg });
  45       }
  46       else {
  47         const user = {
  48           id: ret.id,
  49           name: name,
  50           email: email
  51         };
  52         setAndSendLoginToken("Welcome to " + params.siteURL, user);
  53         // Update tournament DB (TODO: if error, log it)
  54         exec(params.tourneyPath + "/dbsync/update_users.py");
  55         res.json({});
  56       }
  57     });
  58   }
  59 });
  60
  61 // NOTE: this method is safe because the sessionToken must be guessed
  62 router.get("/whoami", access.ajax, (req,res) => {
  63   const callback = (user) => {
  64     res.json({
  65       name: user.name,
  66       email: user.email,
  67       id: user.id,
  68       notify: user.notify
  69     });
  70   };
  71   const anonymous = {
  72     name: "",
  73     email: "",
  74     id: 0,
  75     notify: false
  76   };
  77   if (!req.cookies.token) callback(anonymous);
  78   else if (req.cookies.token.match(/^[a-z0-9]+$/)) {
  79     UserModel.getOne(
  80       "sessionToken", req.cookies.token, "name, email, id, notify",
  81       (err, user) => callback(user || anonymous)
  82     );
  83   }
  84 });
  85
  86 // NOTE: this method is safe because only IDs and names are returned
  87 router.get("/users", access.ajax, (req,res) => {
  88   const ids = req.query["ids"];
  89   // NOTE: slightly too permissive RegExp
  90   if (!!ids && !!ids.match(/^([0-9]+,?)+$/)) {
  91     UserModel.getByIds(ids, (err, users) => {
  92       res.json({ users: users });
  93     });
  94   }
  95 });
  96
  97 router.put('/update', access.logged, access.ajax, (req,res) => {
  98   const name = req.body.name;
  99   const email = req.body.email;
 100   if (UserModel.checkNameEmail({ name: name, email: email })) {
 101     const user = {
 102       id: req.userId,
 103       name: name,
 104       email: email,
 105       notify: !!req.body.notify,
 106     };
 107     UserModel.updateSettings(user);
 108     res.json({});
 109   }
 110 });
 111
 112 // Authentication-related methods:
 113
 114 // to: object user (to who we send an email)
 115 function setAndSendLoginToken(subject, to) {
 116   // Set login token and send welcome(back) email with auth link
 117   const token = genToken(params.token.length);
 118   UserModel.setLoginToken(token, to.id);
 119   const body =
 120     "Hello " + to.name + " !" + `
 121 ` +
 122     "Access your account here: " +
 123     params.siteURL + "/#/authenticate/" + token + `
 124 ` +
 125     "Token will expire in " + params.token.expire/(1000*60) + " minutes."
 126   sendEmail(params.mail.noreply, to.email, subject, body);
 127 }
 128
 129 router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
 130   const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
 131   const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
 132   if (UserModel.checkNameEmail({ [type]: nameOrEmail })) {
 133     UserModel.getOne(type, nameOrEmail, "id, name, email", (err, user) => {
 134       access.checkRequest(res, err, user, "Unknown user", () => {
 135         setAndSendLoginToken("Token for " + params.siteURL, user);
 136         res.json({});
 137       });
 138     });
 139   }
 140 });
 141
 142 router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
 143   if (!req.query.token.match(/^[a-z0-9]+$/))
 144     return res.json({ errmsg: "Bad token" });
 145   UserModel.getOne(
 146     "loginToken", req.query.token, "id, name, email, notify",
 147     (err,user) => {
 148       access.checkRequest(res, err, user, "Invalid token", () => {
 149         // If token older than params.tokenExpire, do nothing
 150         if (Date.now() > user.loginTime + params.token.expire)
 151           res.json({ errmsg: "Token expired" });
 152         else {
 153           // Generate session token (if not exists) + destroy login token
 154           UserModel.trySetSessionToken(user.id, (token) => {
 155             res.cookie("token", token, {
 156               httpOnly: true,
 157               secure: !!params.siteURL.match(/^https/),
 158               maxAge: params.cookieExpire,
 159             });
 160             res.json(user);
 161           });
 162         }
 163       });
 164     }
 165   );
 166 });
 167
 168 router.get('/logout', access.logged, access.ajax, (req,res) => {
 169   res.clearCookie("token");
 170   res.json({});
 171 });
 172
 173 module.exports = router;