mirror of
https://github.com/Skylar-Tech/node-red-contrib-matrix-chat.git
synced 2025-04-19 20:43:04 -06:00
270 lines
12 KiB
JavaScript
270 lines
12 KiB
JavaScript
global.Olm = require('olm');
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const fs = require("fs-extra");
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const sdk = require("matrix-js-sdk");
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const { LocalStorage } = require('node-localstorage');
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const { LocalStorageCryptoStore } = require('matrix-js-sdk/lib/crypto/store/localStorage-crypto-store');
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module.exports = function(RED) {
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function MatrixFolderNameFromUserId(name) {
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return name.replace(/[^a-z0-9]/gi, '_').toLowerCase();
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}
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function MatrixServerNode(n) {
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let storageDir = './matrix-client-storage';
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// we should add support for getting access token automatically from username/password
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// ref: https://matrix.org/docs/guides/usage-of-the-matrix-js-sdk#login-with-an-access-token
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RED.nodes.createNode(this, n);
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let node = this;
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node.log("Initializing Matrix Server Config node");
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if(!this.credentials) {
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this.credentials = {};
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}
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node.setMaxListeners(1000);
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this.connected = null;
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this.name = n.name;
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this.userId = this.credentials.userId;
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this.deviceId = this.credentials.deviceId || null;
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this.url = this.credentials.url;
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this.autoAcceptRoomInvites = n.autoAcceptRoomInvites;
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this.enableE2ee = n.enableE2ee || false;
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this.e2ee = (this.enableE2ee && this.deviceId);
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this.globalAccess = n.global;
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if(!this.credentials.accessToken) {
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node.log("Matrix connection failed: missing access token.");
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} else if(!this.url) {
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node.log("Matrix connection failed: missing server URL.");
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} else if(!this.userId) {
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node.log("Matrix connection failed: missing user ID.");
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} else {
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node.setConnected = function(connected, cb) {
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if (node.connected !== connected) {
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node.connected = connected;
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if(typeof cb === 'function') {
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cb(connected);
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}
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if (connected) {
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node.log("Matrix server connection ready.");
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node.emit("connected");
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} else {
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node.emit("disconnected");
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}
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if(this.globalAccess) {
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this.context().global.set('matrixClientOnline["'+this.userId+'"]', connected);
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}
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}
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};
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node.setConnected(false);
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let localStorageDir = storageDir + '/' + MatrixFolderNameFromUserId(this.userId);
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fs.ensureDirSync(storageDir); // create storage directory if it doesn't exist
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upgradeDirectoryIfNecessary(node, storageDir);
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const localStorage = new LocalStorage(localStorageDir);
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node.matrixClient = sdk.createClient({
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baseUrl: this.url,
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accessToken: this.credentials.accessToken,
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sessionStore: new sdk.WebStorageSessionStore(localStorage),
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cryptoStore: new LocalStorageCryptoStore(localStorage),
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userId: this.userId,
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deviceId: this.deviceId || undefined,
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});
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// set globally if configured to do so
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if(this.globalAccess) {
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this.context().global.set('matrixClient["'+this.userId+'"]', node.matrixClient);
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}
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node.on('close', function(done) {
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if(node.matrixClient) {
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node.matrixClient.close();
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node.matrixClient.stopClient();
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node.setConnected(false);
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}
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done();
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});
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node.isConnected = function() {
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return node.connected;
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};
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node.matrixClient.on("Room.timeline", async function(event, room, toStartOfTimeline, data) {
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node.emit("Room.timeline", event, room, toStartOfTimeline, data);
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});
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// node.matrixClient.on("RoomMember.typing", async function(event, member) {
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// let isTyping = member.typing;
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// let roomId = member.roomId;
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// });
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// node.matrixClient.on("RoomMember.powerLevel", async function(event, member) {
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// let newPowerLevel = member.powerLevel;
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// let newNormPowerLevel = member.powerLevelNorm;
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// let roomId = member.roomId;
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// });
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// node.matrixClient.on("RoomMember.name", async function(event, member) {
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// let newName = member.name;
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// let roomId = member.roomId;
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// });
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// handle auto-joining rooms
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node.matrixClient.on("RoomMember.membership", async function(event, member) {
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if (member.membership === "invite" && member.userId === node.userId) {
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if(node.autoAcceptRoomInvites) {
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node.matrixClient.joinRoom(member.roomId).then(function() {
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node.log("Automatically accepted invitation to join room " + member.roomId);
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}).catch(function(e) {
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node.warn("Cannot join room (could be from being kicked/banned) " + member.roomId + ": " + e);
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});
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} else {
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node.log("Got invite to join room " + member.roomId);
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}
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}
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});
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node.matrixClient.on("sync", async function(state, prevState, data) {
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node.debug("SYNC [STATE=" + state + "] [PREVSTATE=" + prevState + "]");
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if(prevState === null && state === "PREPARED" ) {
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// Occurs when the initial sync is completed first time.
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// This involves setting up filters and obtaining push rules.
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node.setConnected(true, function(){
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node.log("Matrix client connected");
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});
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} else if(prevState === null && state === "ERROR") {
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// Occurs when the initial sync failed first time.
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node.setConnected(false, function(){
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node.error("Failed to connect to Matrix server");
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});
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} else if(prevState === "ERROR" && state === "PREPARED") {
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// Occurs when the initial sync succeeds
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// after previously failing.
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node.setConnected(true, function(){
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node.log("Matrix client connected");
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});
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} else if(prevState === "PREPARED" && state === "SYNCING") {
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// Occurs immediately after transitioning to PREPARED.
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// Starts listening for live updates rather than catching up.
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node.setConnected(true, function(){
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node.log("Matrix client connected");
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});
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} else if(prevState === "SYNCING" && state === "RECONNECTING") {
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// Occurs when the live update fails.
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node.setConnected(false, function(){
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node.error("Connection to Matrix server lost");
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});
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} else if(prevState === "RECONNECTING" && state === "RECONNECTING") {
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// Can occur if the update calls continue to fail,
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// but the keepalive calls (to /versions) succeed.
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node.setConnected(false, function(){
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node.error("Connection to Matrix server lost");
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});
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} else if(prevState === "RECONNECTING" && state === "ERROR") {
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// Occurs when the keepalive call also fails
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node.setConnected(false, function(){
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node.error("Connection to Matrix server lost");
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});
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} else if(prevState === "ERROR" && state === "SYNCING") {
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// Occurs when the client has performed a
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// live update after having previously failed.
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node.setConnected(true, function(){
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node.log("Matrix client connected");
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});
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} else if(prevState === "ERROR" && state === "ERROR") {
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// Occurs when the client has failed to
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// keepalive for a second time or more.
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node.setConnected(false, function(){
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node.error("Connection to Matrix server lost");
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});
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} else if(prevState === "SYNCING" && state === "SYNCING") {
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// Occurs when the client has performed a live update.
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// This is called <i>after</i> processing.
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node.setConnected(true, function(){
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node.log("Matrix client connected");
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});
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} else if(state === "STOPPED") {
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// Occurs once the client has stopped syncing or
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// trying to sync after stopClient has been called.
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node.setConnected(false, function(){
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node.error("Connection to Matrix server lost");
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});
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}
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});
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node.matrixClient.on("Session.logged_out", async function(errorObj){
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// Example if user auth token incorrect:
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// {
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// errcode: 'M_UNKNOWN_TOKEN',
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// data: {
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// errcode: 'M_UNKNOWN_TOKEN',
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// error: 'Invalid macaroon passed.',
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// soft_logout: false
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// },
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// httpStatus: 401
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// }
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node.error("[Session.logged_out] " + errorObj);
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});
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async function run() {
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try {
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if(node.e2ee){
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node.log("Initializing crypto...");
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await node.matrixClient.initCrypto();
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node.matrixClient.setGlobalErrorOnUnknownDevices(false);
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}
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node.log("Connecting to Matrix server...");
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await node.matrixClient.startClient({ initialSyncLimit: 8 });
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} catch(error){
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node.error(error);
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}
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}
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run().catch((error) => node.error(error));
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}
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}
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RED.nodes.registerType("matrix-server-config", MatrixServerNode, {
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credentials: {
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userId: { type:"text", required: true },
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accessToken: { type:"text", required: true },
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deviceId: { type: "text", required: true },
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url: { type: "text", required: true },
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}
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});
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function upgradeDirectoryIfNecessary(node, storageDir) {
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let oldStorageDir = './matrix-local-storage';
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// if the old storage location exists lets move it to it's new location
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if(fs.pathExistsSync(oldStorageDir)){
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RED.nodes.eachNode(function(n){
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try {
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if(n.type !== 'matrix-server-config') return;
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let { userId } = RED.nodes.getCredentials(n.id);
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let dir = storageDir + '/' + MatrixFolderNameFromUserId(userId);
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if(!fs.pathExistsSync(dir)) {
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fs.ensureDirSync(dir);
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node.log("found old '" + oldStorageDir + "' path, copying to new location '" + dir);
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fs.copySync(oldStorageDir, dir);
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}
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} catch (err) {
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console.error(err)
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}
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});
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// rename folder to keep as a backup (and so we don't run again)
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node.log("archiving old config folder '" + oldStorageDir + "' to '" + oldStorageDir + "-backup");
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fs.renameSync(oldStorageDir, oldStorageDir + "-backup");
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}
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}
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} |