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[vchess.git] / server / routes / users.js

// AJAX methods to get, create, update or delete a user

let router = require("express").Router();
const UserModel = require('../models/User');
const sendEmail = require('../utils/mailer');
const genToken = require("../utils/tokenGenerator");
const access = require("../utils/access");
const params = require("../config/parameters");

// NOTE: this method is safe because the sessionToken must be guessed
router.get("/whoami", access.ajax, (req,res) => {
  const callback = (user) => {
    return res.json({
      name: user.name,
      email: user.email,
      id: user.id,
      notify: user.notify,
    });
  };
  const anonymous = {name:"", email:"", id:0, notify:false};
  if (!req.cookies.token)
    return callback(anonymous);
  if (!req.cookies.token.match(/^[a-z0-9]+$/))
    return res.json({errmsg: "Bad token"});
  UserModel.getOne("sessionToken", req.cookies.token, function(err, user) {
    if (!!err || !user)
      callback(anonymous);
    else
      callback(user);
  });
});

// NOTE: this method is safe because only IDs and names are returned
router.get("/users", access.ajax, (req,res) => {
  const ids = req.query["ids"];
  if (!ids.match(/^([0-9]+,?)+$/)) //NOTE: slightly too permissive
    return res.json({errmsg: "Bad IDs array"});
  UserModel.getByIds(ids, (err,users) => {
    if (!!err)
      return res.json({errmsg: err.toString()});
    return res.json({users:users});
  });
});

// to: object user (to who we send an email)
function setAndSendLoginToken(subject, to, res)
{
  // Set login token and send welcome(back) email with auth link
  const token = genToken(params.token.length);
  UserModel.setLoginToken(token, to.id, err => {
    if (!!err)
      return res.json({errmsg: err.toString()});
    const body =
      "Hello " + to.name + "!\\n" +
      "Access your account here: " +
      params.siteURL + "/#/authenticate/" + token + "\\n" +
      "Token will expire in " + params.token.expire/(1000*60) + " minutes."
    sendEmail(params.mail.noreply, to.email, subject, body, err => {
      res.json(err || {});
    });
  });
}

router.post('/register', access.unlogged, access.ajax, (req,res) => {
  const name = req.body.name;
  const email = req.body.email;
  const notify = !!req.body.notify;
  const error = UserModel.checkNameEmail({name: name, email: email});
  if (!!error)
    return res.json({errmsg: error});
  UserModel.create(name, email, notify, (err,uid) => {
    if (!!err)
      return res.json({errmsg: err.toString()});
    const user = {
      id: uid["rowid"],
      name: name,
      email: email,
    };
    setAndSendLoginToken("Welcome to " + params.siteURL, user, res);
  });
});

router.get('/sendtoken', access.unlogged, access.ajax, (req,res) => {
  const nameOrEmail = decodeURIComponent(req.query.nameOrEmail);
  const type = (nameOrEmail.indexOf('@') >= 0 ? "email" : "name");
  const error = UserModel.checkNameEmail({[type]: nameOrEmail});
  if (!!error)
    return res.json({errmsg: error});
  UserModel.getOne(type, nameOrEmail, (err,user) => {
    access.checkRequest(res, err, user, "Unknown user", () => {
      setAndSendLoginToken("Token for " + params.siteURL, user, res);
    });
  });
});

router.get('/authenticate', access.unlogged, access.ajax, (req,res) => {
  if (!req.query.token.match(/^[a-z0-9]+$/))
    return res.json({errmsg: "Bad token"});
  UserModel.getOne("loginToken", req.query.token, (err,user) => {
    access.checkRequest(res, err, user, "Invalid token", () => {
      // If token older than params.tokenExpire, do nothing
      if (Date.now() > user.loginTime + params.token.expire)
        return res.json({errmsg: "Token expired"});
      // Generate session token (if not exists) + destroy login token
      UserModel.trySetSessionToken(user.id, (err,token) => {
        if (!!err)
          return res.json({errmsg: err.toString()});
        // Set cookie
        res.cookie("token", token, {
          httpOnly: true,
          secure: !!params.siteURL.match(/^https/),
          maxAge: params.cookieExpire,
        });
        res.json({
          id: user.id,
          name: user.name,
          email: user.email,
          notify: user.notify,
        });
      });
    });
  });
});

router.put('/update', access.logged, access.ajax, (req,res) => {
  const name = req.body.name;
  const email = req.body.email;
  const error = UserModel.checkNameEmail({name: name, email: email});
  if (!!error)
    return res.json({errmsg: error});
  const user = {
    id: req.userId,
    name: name,
    email: email,
    notify: !!req.body.notify,
  };
  UserModel.updateSettings(user, err => {
    res.json(err ? {errmsg: err.toString()} : {});
  });
});

router.get('/logout', access.logged, access.ajax, (req,res) => {
  res.clearCookie("token");
  res.json({});
});

module.exports = router;