bot proof of concept

.gitignore

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+config
+node_modules
+*.log

package.json

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+{
+  "name": "ocrcc-bot",
+  "version": "0.1.0",
+  "description": "Chatbot to manage interactions on OCRCC client chatbots",
+  "main": "dist/ocrcc-chatbot.js",
+  "scripts": {
+    "build": "NODE_ENV=production webpack-cli --mode production",
+    "start": "webpack-dev-server",
+    "develop": "webpack --mode development --watch",
+    "test": "jest",
+    "lint": "./node_modules/.bin/eslint ."
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "config": "^3.2.5",
+    "matrix-bot-sdk": "^0.5.0",
+    "matrix-js-sdk": "^5.0.0",
+    "node-localstorage": "^2.1.5",
+    "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
+    "uuidv4": "^6.0.2",
+    "winston": "^3.2.1"
+  },
+  "devDependencies": {
+    "@babel/core": "7.7.7",
+    "@babel/plugin-proposal-class-properties": "7.7.4",
+    "@babel/plugin-proposal-decorators": "7.7.4",
+    "@babel/plugin-proposal-export-namespace-from": "7.7.4",
+    "@babel/plugin-proposal-function-sent": "7.7.4",
+    "@babel/plugin-proposal-json-strings": "7.7.4",
+    "@babel/plugin-proposal-numeric-separator": "7.7.4",
+    "@babel/plugin-proposal-throw-expressions": "7.7.4",
+    "@babel/plugin-syntax-dynamic-import": "7.7.4",
+    "@babel/plugin-syntax-import-meta": "7.7.4",
+    "@storybook/addon-actions": "5.2.8",
+    "@storybook/addon-links": "5.2.8",
+    "@storybook/addons": "5.2.8",
+    "@storybook/react": "5.2.8",
+    "babel-core": "7.0.0-bridge.0",
+    "babel-eslint": "10.0.3",
+    "babel-jest": "24.9.0",
+    "babel-loader": "8.0.6",
+    "babel-preset-airbnb": "4.4.0",
+    "clean-webpack-plugin": "3.0.0",
+    "copy-webpack-plugin": "5.1.1",
+    "enzyme": "3.11.0",
+    "enzyme-adapter-react-16": "1.15.2",
+    "enzyme-to-json": "3.4.3",
+    "eslint": "6.8.0",
+    "eslint-config-airbnb": "18.0.1",
+    "eslint-import-resolver-webpack": "0.12.0",
+    "eslint-loader": "3.0.3",
+    "eslint-plugin-import": "2.19.1",
+    "eslint-plugin-jsx-a11y": "6.2.3",
+    "eslint-plugin-react": "7.17.0",
+    "jest": "24.9.0",
+    "jest-cli": "24.9.0",
+    "webpack": "4.41.5",
+    "webpack-cli": "3.3.10",
+    "webpack-dev-server": "3.10.1",
+    "webpack-obfuscator": "0.22.0",
+    "webpack-serve": "3.2.0"
+  },
+  "babel": {
+    "presets": [
+      "airbnb"
+    ],
+    "plugins": [
+      "@babel/plugin-syntax-dynamic-import",
+      "@babel/plugin-syntax-import-meta",
+      "@babel/plugin-proposal-class-properties",
+      "@babel/plugin-proposal-json-strings",
+      [
+        "@babel/plugin-proposal-decorators",
+        {
+          "legacy": true
+        }
+      ],
+      "@babel/plugin-proposal-function-sent",
+      "@babel/plugin-proposal-export-namespace-from",
+      "@babel/plugin-proposal-numeric-separator",
+      "@babel/plugin-proposal-throw-expressions"
+    ]
+  }
+}

src/index.js

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+const path = require("path")
+const fs = require("fs")
+const os = require("os")
+const util = require("util")
+
+const config = require('config');
+const winston = require('winston');
+const uuid = require('uuidv4').uuid;
+const LocalStorage = require('node-localstorage').LocalStorage;
+global.Olm = require('olm');
+const matrix = require('matrix-js-sdk');
+const ENCRYPTION_CONFIG = { "algorithm": "m.megolm.v1.aes-sha2" };
+
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.json(),
+  defaultMeta: { service: 'user-service' },
+  transports: [
+    //
+    // - Write all logs with level `error` and below to `error.log`
+    // - Write all logs with level `info` and below to `combined.log`
+    //
+    new winston.transports.File({ filename: 'error.log', level: 'error' }),
+    new winston.transports.File({ filename: 'combined.log' })
+  ]
+});
+
+//
+// If we're not in production then log to the `console` with the format:
+// `${info.level}: ${info.message} JSON.stringify({ ...rest }) `
+//
+if (process.env.NODE_ENV !== 'production') {
+  logger.add(new winston.transports.Console({
+    format: winston.format.simple()
+  }));
+}
+
+const homeserverUrl = 'https://matrix.rhok.space'
+const accessToken = 'MDAxOGxvY2F0aW9uIHJob2suc3BhY2UKMDAxM2lkZW50aWZpZXIga2V5CjAwMTBjaWQgZ2VuID0gMQowMDI3Y2lkIHVzZXJfaWQgPSBAaGVscC1ib3Q6cmhvay5zcGFjZQowMDE2Y2lkIHR5cGUgPSBhY2Nlc3MKMDAyMWNpZCBub25jZSA9IGZBOCsjWWQ4MF9LeTssaF8KMDAyZnNpZ25hdHVyZSA370YUvuoVD3r08AwdgGV9sE0aNWBRTrKvB1me8Bm0tQo'
+const botName = 'Help Bot'
+const username = 'help-bot'
+const password = 'ocrccdemo'
+const userId = "@help-bot:rhok.space"
+
+let awaitingAgreement = {}
+
+let client = matrix.createClient(homeserverUrl)
+
+let localStorage = global.localStorage;
+  if (typeof localStorage === "undefined" || localStorage === null) {
+    const storageLoc = `matrix-chatbot-${username}`
+    const dir = path.resolve(path.join(os.homedir(), ".local-storage"))
+    if (!fs.existsSync(dir)) {
+      fs.mkdirSync(dir);
+    }
+    const localStoragePath = path.resolve(path.join(dir, storageLoc))
+    localStorage = new LocalStorage(localStoragePath);
+  }
+
+let deviceId = localStorage.getItem('deviceId')
+
+const sendMessage = (client, roomId, msgText) => {
+  client.sendTextMessage(roomId, msgText)
+  .then((res) => {
+    logger.log('info', "Message sent")
+    logger.log('info', res)
+  })
+  .catch((err) => {
+    logger.log('error', "Error sending message");
+    logger.log('error', err);
+    switch (err["name"]) {
+      case "UnknownDeviceError":
+        Object.keys(err.devices).forEach((userId) => {
+          Object.keys(err.devices[userId]).map((deviceId) => {
+              client.setDeviceVerified(userId, deviceId, true);
+          });
+        });
+        sendMessage(client, roomId, msgText)
+        break;
+      default:
+        // logger.log('error', err);
+        break;
+    }
+  })
+}
+
+const notifyFacilitators = (client, roomId) => {
+
+}
+
+client.login('m.login.password', {
+  user: username,
+  password: password,
+  initial_device_display_name: botName,
+  deviceId: deviceId,
+})
+.then((data) => {
+  const accessToken = data.access_token
+  const deviceId = data.device_id
+
+  localStorage.setItem('deviceId', data.device_id)
+  // create new client with full options
+
+  let opts = {
+    baseUrl: homeserverUrl,
+    accessToken: accessToken,
+    userId: userId,
+    deviceId: deviceId,
+    sessionStore: new matrix.WebStorageSessionStore(localStorage),
+  }
+
+  client = matrix.createClient(opts)
+})
+.catch(err => {
+  logger.log('error', `Login error: ${err}`)
+})
+.then(() => client.initCrypto())
+.then(() => {
+
+  // Automatically join all room invitations
+  client.on("RoomMember.membership", (event, member) => {
+    if (member.membership === "invite" && member.userId === userId) {
+      client.joinRoom(member.roomId)
+      .then(() => client.setRoomEncryption(member.roomId, ENCRYPTION_CONFIG))
+      .then(() => {
+        sendMessage(client, member.roomId, 'Do you want to continue?')
+        awaitingAgreement[member.roomId] = true
+      })
+    }
+  });
+
+  client.on('Event.decrypted', (event) => {
+    if (event.getType() === 'm.room.message') {
+      const roomId = event.getRoomId()
+      const sender = event.getSender()
+      const content = event.getContent()
+      const body = content.body
+
+      if (sender !== userId && awaitingAgreement[roomId]) {
+        if (body.toLowerCase().startsWith('yes')) {
+          sendMessage(client, roomId, "A facilitator will be with you soon.")
+          notifyFacilitators(client, roomId)
+          awaitingAgreement[roomId] = false
+        } else {
+          sendMessage(client, roomId, "Ok, bye")
+          awaitingAgreement[roomId] = false
+        }
+      }
+    }
+  });
+})
+.finally(() => client.startClient())
+

webpack.config.js

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+const JavaScriptObfuscator = require('webpack-obfuscator');
+const CopyPlugin = require('copy-webpack-plugin');
+const path = require('path');
+
+const devMode = process.env.NODE_ENV !== 'production';
+
+const distDir = path.join(__dirname, 'dist');
+
+const defaultConfig = {
+  mode: process.env.NODE_ENV || 'development',
+  module: {
+    rules: [
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: ['babel-loader'],
+      },
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        loader: 'eslint-loader',
+        options: {
+          emitWarning: true,
+        },
+      },
+    ],
+  },
+  resolve: {
+    extensions: ['*', '.js'],
+  },
+  node: {
+    fs: 'empty',
+    net: 'empty',
+    tls: 'empty'
+  }
+};
+
+module.exports = [{
+  ...defaultConfig,
+  entry: './src/index.js',
+  output: {
+    path: distDir,
+    filename: 'ocrcc-chatbot.js',
+  },
+}];