ep_rocketchat/server/expressServer.js

Integrating rocketchat with Etherpad

'use strict';

const rocketChatClientInstance = require('../rocketChat/clients/rocketChatClientInstance').rocketChatClientInstance;
const config = require('./helpers/configs');
const rocketchatAuthenticator = require('./helpers/rocketchatAuthenticator');


exports.expressCreateServer = (hookName, context) => {
  context.app.get('/static/pluginfw/ep_rocketchat/rocket_chat_auth_get/:userId', async (req, res) => {
    res.set('Access-Control-Allow-Origin', `${config.protocol}://${config.host}`);
    res.set('Access-Control-Allow-Credentials', 'true');
    const etherUserId = req.params.userId || false;
    if (!etherUserId) {
      res.send({loginToken: false});
      return;
    }
    const rocketchatUserAuth = await rocketchatAuthenticator.runValidator(etherUserId);
    res.send({loginToken: rocketchatUserAuth.rocketchatAuthToken});
    return;
  });
  context.app.get('/static/pluginfw/ep_rocketchat/rocket_chat_iframe/:userId', async (req, res) => {
    res.set('Access-Control-Allow-Origin', `${config.protocol}://${config.host}`);
    res.set('Access-Control-Allow-Credentials', 'true');
    const etherUserId = req.params.userId || false;
    if (!etherUserId) {
      res.send('');
      return;
    }
    if (req.session.user && req.session.user.rocketchatAuthToken) {
      // We are sending a script tag to the front-end with the RocketChat Auth Token that will be used to authenticate the user
      return res.send(`<script>
                window.parent.postMessage({
                event: 'login-with-token',
                loginToken: '${req.session.user.rocketchatAuthToken}'
                }, '${config.host}');
            </script>
            `);
    } else {
      const rocketchatUserAuth = await rocketchatAuthenticator.runValidator(etherUserId);
      return res.send(`<script>
            window.parent.postMessage({
            event: 'login-with-token',
            loginToken: '${rocketchatUserAuth.rocketchatAuthToken}'
            }, '${config.host}');
        </script>
        `);
    }
  });
  context.app.post('/static/:padId/pluginfw/ep_rocketchat/login/:username/:userId', async (req, res) => {
    const username = req.params.username;
    const done = () => {

    };
    const rocketChatClient = rocketChatClientInstance(config.protocol, config.host, config.port, config.userId, config.token, done);
    try {
      const login = await rocketChatClient.users.login({user: username, password: `${username}@docs.plus${config.userId}`});
      res.status(201).json(login);
    } catch (e) {
      try {
        const userToAdd = {
          name: username,
          email: `${username}@docs.plus`,
          password: `${username}@docs.plus${config.userId}`,
          username: `${username}`,
          sendWelcomeEmail: false,
          joinDefaultChannels: false,
          verified: true,
          requirePasswordChange: false,
          roles: ['user'],
        };
        const newUser = await rocketChatClient.users.create(userToAdd);
        res.status(201).json(newUser);
      } catch (e) {
        res.status(201).json(e.message);
      }
    }
  });
};