initial commit

README.md

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+# Matrix Gateway Bot written in NodeJS
+
+## Install
+
+    npm i or yarn
+
+## Configure
+
+    Edit config.js
+    
+## Run
+
+    node index

config.js

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+module.exports = {
+    nick: 'MatrixBot',
+    xmppService: 'xmpp://',
+    xmppUsername: '',
+    xmppPassword: '',
+    xmppRoom: '',
+    matrixServer: '',
+    matrixRoom: ''
+}

index.js

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+const { client, xml } = require('@xmpp/client'),
+    sdk = require('matrix-js-sdk'),
+    config = require('./config'),
+    xmpp = client({
+        service: config.xmppService,
+        username: config.xmppUsername,
+        password: config.xmppPassword
+    }),
+    sendMessage = async message => {
+        await xmpp.send(xml(
+            'message',
+            { type: 'groupchat', to: xmppRoom },
+            xml('body', {}, message)
+        ))
+    },
+    nick = config.nick,
+    token = config.matrixToken,
+    matrix = sdk.createClient({
+        baseUrl: 'https://' + config.matrixServer,
+        accessToken: token,
+        userId: '@' + nick + ':' + config.matrixServer
+    }),
+    xmppRoom = config.xmppRoom,
+    matrixRoom = config.matrixRoom
+
+xmpp.on('error', err => {
+    console.error(err)
+})
+
+xmpp.on('offline', () => {
+    console.log('Go to offline')
+})
+
+xmpp.on('stanza', async stanza => {
+    if (stanza.is('message') && !stanza.getChild('delay')) {
+        const user = stanza.attrs.from.replace(/.*\//, ''),
+            message = stanza.getChildText('body')
+        if (user && user !== nick && message) {
+            await matrix.sendMessage(matrixRoom, { body: user + ': ' + message, msgtype: 'm.text' }).catch(console.error)
+        }
+    }
+})
+
+xmpp.on('online', async address => {
+    await xmpp.send(xml('presence', { to: xmppRoom + '/' + nick },
+        xml('x', { xmlns: 'http://jabber.org/protocol/muc' }
+        ))).catch(console.error)
+    console.log('Connected like: ' + address)
+    matrix.on('Room.timeline', (event, room, toStartOfTimeline) => {
+        if (event.event.sender !== '@' + nick + ':' + config.matrixServer && event.getType() === 'm.room.message') {
+            sendMessage(event.event.sender.replace(/:.*$/, '') + ': ' + event.event.content.body)
+        }
+    })
+    await matrix.setDisplayName(nick)
+    await matrix.joinRoom(matrixRoom).catch(console.error)
+    matrix.startClient()
+})
+
+xmpp.start().catch(console.error)

package.json

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+{
+  "name": "matrix-bot",
+  "version": "1.0.0",
+  "description": "Matrix Gateway Bot",
+  "main": "index.js",
+  "repository": "https://git.manalejandro.com/ale/matrix-bot",
+  "author": "ale",
+  "license": "MIT",
+  "private": true,
+  "dependencies": {
+    "@xmpp/client": "*",
+    "matrix-js-sdk": "*"
+  }
+}