Skip to content

Mqtt client 'offline' callback and fix small issue in getMessage method #11

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
kenny59 wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Mqtt client 'offline' callback and fix small issue in getMessage method #11

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5a395d7
Emit error on 'offline' event and fix getMessage bug when attachment …
kenny59 Aug 26, 2023
fe112f2
Require fb_dtsg token for all requests from now on
kenny59 Sep 27, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion package.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@
"license": "MIT",
"dependencies": {
"https-proxy-agent": "^4.0.0",
"mqtt": "^3.0.0",
"mqtt": "4.3.7",
"npmlog": "^1.2.0",
"request": "^2.53.0",
"websocket-stream": "^5.5.0"
Expand Down
2 changes: 1 addition & 1 deletion src/getMessage.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ function formatMessage(threadID, data) {
[r.user.id]: r.reaction
})),
attachments: data.blob_attachments && data.blob_attachments.length > 0 ?
data.blob_attachments.length.map(att => {
data.blob_attachments.map(att => {
let x;
try {
x = utils._formatAttachment(att);
Expand Down
67 changes: 57 additions & 10 deletions src/listenMqtt.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@ const topics = [
//Need to publish /messenger_sync_create_queue right after this
"/orca_presence",
//Will receive /sr_res right here.

"/legacy_web_mtouch"
// "/inbox",
// "/mercury",
Expand All @@ -39,14 +38,15 @@ function listenMqtt(defaultFuncs, api, ctx, globalCallback) {
//TODO: Move to ctx when implemented
const chatOn = ctx.globalOptions.online;
const foreground = false;
const cid = utils.getGUID();

const sessionID = Math.floor(Math.random() * 9007199254740991) + 1;
const username = {
u: ctx.i_userID || ctx.userID,
s: sessionID,
chat_on: chatOn,
fg: foreground,
d: utils.getGUID(),
d: cid,
ct: "websocket",
//App id from facebook
aid: "219994525426954",
Expand All @@ -66,7 +66,7 @@ function listenMqtt(defaultFuncs, api, ctx, globalCallback) {

let host;
if (ctx.mqttEndpoint) {
host = `${ctx.mqttEndpoint}&sid=${sessionID}`;
host = `${ctx.mqttEndpoint}&sid=${sessionID}&cid=${cid}`;
} else if (ctx.region) {
host = `wss://edge-chat.facebook.com/chat?region=${ctx.region.toLocaleLowerCase()}&sid=${sessionID}`;
} else {
Expand Down Expand Up @@ -104,7 +104,7 @@ function listenMqtt(defaultFuncs, api, ctx, globalCallback) {
const mqttClient = ctx.mqttClient;

mqttClient.on('error', function (err) {
log.error("listenMqtt", err);
log.error("ERROR", err);
mqttClient.end();
if (ctx.globalOptions.autoReconnect) {
listenMqtt(defaultFuncs, api, ctx, globalCallback);
Expand All @@ -126,9 +126,32 @@ function listenMqtt(defaultFuncs, api, ctx, globalCallback) {
});

mqttClient.on('close', function () {

log.error("CLOSE", "Client closed");
mqttClient.end();
globalCallback({
type: "close",
error: "Client closed"
}, null)
});

mqttClient.on('offline', () => {
log.error("OFFLINE", "Client went offline");
mqttClient.end();
globalCallback({
type: "offline",
error: "Client went offline, closing"
}, null)
})

mqttClient.on('disconnect', (packet) => {
log.error("DISCONNECT", "Received disconnect packet");
mqttClient.end();
globalCallback({
type: "disconnect",
error: "Client disconnected"
}, null)
})

mqttClient.on('connect', function () {
topics.forEach(function (topicsub) {
mqttClient.subscribe(topicsub);
Expand Down Expand Up @@ -748,7 +771,7 @@ function getSeqId(defaultFuncs, api, ctx, globalCallback) {
utils
.get('https://www.facebook.com/', jar, null, ctx.globalOptions, { noRef: true })
.then(utils.saveCookies(jar))
.then(function (resData) {
.then(async function (resData) {
const html = resData.body;
const oldFBMQTTMatch = html.match(/irisSeqID:"(.+?)",appID:219994525426954,endpoint:"(.+?)"/);
let mqttEndpoint = null;
Expand All @@ -769,10 +792,14 @@ function getSeqId(defaultFuncs, api, ctx, globalCallback) {
region = new URL(mqttEndpoint).searchParams.get("region").toUpperCase();
log.info("login", `Got this account's message region: ${region}`);
} else {
const legacyFBMQTTMatch = html.match(/(\["MqttWebConfig",\[\],{fbid:")(.+?)(",appID:219994525426954,endpoint:")(.+?)(",pollingEndpoint:")(.+?)(3790])/);
const legacyFBMQTTMatch = html.match(/(\["MqttWebConfig",\[\],\{"fbid":")(.+?)(","appID":219994525426954,"endpoint":")(.+?)(","pollingEndpoint":")(.+?)(","subscribedTopics".*3790])/);
if (legacyFBMQTTMatch) {
mqttEndpoint = legacyFBMQTTMatch[4];
mqttEndpoint = legacyFBMQTTMatch[4]?.replaceAll("\\", "");
region = new URL(mqttEndpoint).searchParams.get("region").toUpperCase();
let dtsgTokenMatch = html.match(/\[\"DTSGInitialData\",\[\],\{\"token\":\"(.+?)\"/);
if(dtsgTokenMatch) {
ctx.fb_dtsg = dtsgTokenMatch[1];
}
log.warn("login", `Cannot get sequence ID with new RegExp. Fallback to old RegExp (without seqID)...`);
log.info("login", `Got this account's message region: ${region}`);
log.info("login", `[Unused] Polling endpoint: ${legacyFBMQTTMatch[6]}`);
Expand All @@ -782,14 +809,34 @@ function getSeqId(defaultFuncs, api, ctx, globalCallback) {
}
}
}

ctx.lastSeqId = irisSeqID;
if(!irisSeqID) {
if(!ctx.fb_dtsg) {
log.warn("seqId", "fb_dtsg token is required for getting seqId");
}
let seqId = await utils
.post('https://www.facebook.com/api/graphql/', jar, {
'av': ctx.userID,
'fb_dtsg': ctx.fb_dtsg,
'jazoest': Math.ceil(Math.random() * (99_999 - 10_000) + 10_000),
'variables': '{includeSeqID: true, limit: 0}',
'server_timestamps': 'true',
'doc_id': '1349387578499440' // from https://github.com/fbchat-dev/fbchat/blob/master/fbchat/_listen.py fetch_sequence_id
}, ctx.globalOptions, {noRef: true}, true)
.then(utils.saveCookies(jar))
.then(resData => {
return JSON.parse(resData.body)?.['data']?.['viewer']?.['message_threads']?.['sync_sequence_id'];
})
if(!seqId) {
log.warn("seqId", "could not get seqId from graphql endpoint");
}
ctx.lastSeqId = seqId;
}
ctx.mqttEndpoint = mqttEndpoint;
ctx.region = region;
if (noMqttData) {
api["htmlData"] = noMqttData;
}

listenMqtt(defaultFuncs, api, ctx, globalCallback);
})
.catch(function (err) {
Expand Down