nv-fca
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A node.js package for automating Facebook Messenger bot, and is one of the most advanced next-generation Facebook Chat API (FCA) by @NethWs3Dev (Kenneth Aceberos)
674 lines (649 loc) • 29.2 kB
JavaScript
;
// Fixed by @NethWs3Dev
// Chopchop wood from other fca
var utils = require("../utils");
var mqtt = require('mqtt');
var websocket = require('websocket-stream');
var HttpsProxyAgent = require('https-proxy-agent');
const EventEmitter = require('events');
var identity = () => {};
var form = {};
var getSeqID = () => {};
var topics = [
"/legacy_web",
"/webrtc",
"/rtc_multi",
"/onevc",
"/br_sr", //Notification
//Need to publish /br_sr right after this
"/sr_res",
"/t_ms",
"/thread_typing",
"/orca_typing_notifications",
"/notify_disconnect",
//Need to publish /messenger_sync_create_queue right after this
"/orca_presence",
//Will receive /sr_res right here.
"/inbox",
"/mercury",
"/messaging_events",
"/orca_message_notifications",
"/pp",
"/webrtc_response",
];
function listenMqtt(defaultFuncs, api, ctx, globalCallback) {
//Don't really know what this does but I think it's for the active state?
//TODO: Move to ctx when implemented
var chatOn = ctx.globalOptions.online;
var foreground = false;
const sessionID = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER) + 1;
const GUID = utils.getGUID()
const username = {
u: ctx.userID,
s: sessionID,
chat_on: chatOn,
fg: foreground,
d: GUID,
ct: 'websocket',
aid: '219994525426954',
aids: null,
mqtt_sid: '',
cp: 3,
ecp: 10,
st: [],
pm: [],
dc: '',
no_auto_fg: true,
gas: null,
pack: [],
a: ctx.globalOptions.userAgent,
p: null,
aids: null,
php_override: ""
};
const cookies = ctx.jar.getCookies('https://www.facebook.com').join('; ');
let host;
if (ctx.mqttEndpoint) {
host = `${ctx.mqttEndpoint}&sid=${sessionID}`;
} else if (ctx.region) {
host = `wss://edge-chat.facebook.com/chat?region=${ctx.region.toLowerCase()}&sid=${sessionID}`;
} else {
host = `wss://edge-chat.facebook.com/chat?sid=${sessionID}`;
}
const options = {
clientId: 'mqttwsclient',
protocolId: 'MQIsdp',
protocolVersion: 3,
username: JSON.stringify(username),
clean: true,
wsOptions: {
headers: {
Cookie: cookies,
Origin: 'https://www.facebook.com',
Referer: 'https://www.facebook.com/',
"User-Agent": username.a,
Host: new URL(host).hostname,
},
origin: 'https://www.facebook.com',
protocolVersion: 13,
binaryType: 'arraybuffer',
},
keepalive: 10,
reschedulePings: true,
connectTimeout: 10 * 1000,
reconnectPeriod: 1 * 1000,
};
if (typeof ctx.globalOptions.proxy != "undefined") {
var agent = new HttpsProxyAgent(ctx.globalOptions.proxy);
options.wsOptions.agent = agent;
}
ctx.mqttClient = new mqtt.Client(_ => websocket(host, options.wsOptions), options);
var mqttClient = ctx.mqttClient;
function stopListening() {
if (mqttClient) {
mqttClient.unsubscribe("/webrtc");
mqttClient.unsubscribe("/rtc_multi");
mqttClient.unsubscribe("/onevc");
mqttClient.publish("/browser_close", "{}");
mqttClient.end(false, function(...data) {
ctx.mqttClient = null;
mqttClient = null;
});
}
}
mqttClient.on('error', function(err) {
stopListening();
if (ctx.globalOptions.autoReconnect) {
getSeqID();
} else {
globalCallback({ type: "stop_listen", error: "Connection refused: Server unavailable" }, null);
}
utils.warn("Error detected. Will relogin automatically...");
api.ws3.relogin();
return;
});
mqttClient.on('connect', () => {
topics.forEach(topicsub => mqttClient.subscribe(topicsub));
var topic;
var queue = {
sync_api_version: 10,
max_deltas_able_to_process: 1000,
delta_batch_size: 500,
encoding: "JSON",
entity_fbid: ctx.userID,
};
if (ctx.syncToken) {
topic = "/messenger_sync_get_diffs";
queue.last_seq_id = ctx.lastSeqId;
queue.sync_token = ctx.syncToken;
} else {
topic = "/messenger_sync_create_queue";
queue.initial_titan_sequence_id = ctx.lastSeqId;
queue.device_params = null;
}
mqttClient.publish(topic, JSON.stringify(queue), { qos: 1, retain: false });
mqttClient.publish("/foreground_state", JSON.stringify({ foreground: chatOn }), { qos: 1 });
mqttClient.publish("/set_client_settings", JSON.stringify({ make_user_available_when_in_foreground: true }), { qos: 1 });
const rTimeout = setTimeout(() => {
mqttClient.end();
listenMqtt(defaultFuncs, api, ctx, globalCallback);
}, 3000);
ctx.tmsWait = () => {
clearTimeout(rTimeout);
ctx.globalOptions.emitReady ? globalCallback({
type: "ready",
error: null
}) : "";
delete ctx.tmsWait;
};
});
mqttClient.on('message', (topic, message, _packet) => {
try {
var jsonMessage = JSON.parse(message);
} catch (ex) {
return utils.error("listenMqtt", ex);
}
if (topic === "/t_ms") {
if (ctx.tmsWait && typeof ctx.tmsWait == "function") ctx.tmsWait();
if (jsonMessage.firstDeltaSeqId && jsonMessage.syncToken) {
ctx.lastSeqId = jsonMessage.firstDeltaSeqId;
ctx.syncToken = jsonMessage.syncToken;
}
if (jsonMessage.lastIssuedSeqId) ctx.lastSeqId = parseInt(jsonMessage.lastIssuedSeqId);
//If it contains more than 1 delta
for (var i in jsonMessage.deltas) {
var delta = jsonMessage.deltas[i];
parseDelta(defaultFuncs, api, ctx, globalCallback, { "delta": delta });
}
} else if (topic === "/thread_typing" || topic === "/orca_typing_notifications") {
var typ = {
type: "typ",
isTyping: !!jsonMessage.state,
from: jsonMessage.sender_fbid.toString(),
threadID: utils.formatID((jsonMessage.thread || jsonMessage.sender_fbid).toString())
};
(function() { globalCallback(null, typ); })();
} else if (topic === "/orca_presence") {
if (!ctx.globalOptions.updatePresence) {
for (var i in jsonMessage.list) {
var data = jsonMessage.list[i];
var userID = data["u"];
var presence = {
type: "presence",
userID: userID.toString(),
//Convert to ms
timestamp: data["l"] * 1000,
statuses: data["p"]
};
(function() { globalCallback(null, presence); })();
}
}
}
});
mqttClient.on('close', () => {});
mqttClient.on('disconnect', () => {});
}
function parseDelta(defaultFuncs, api, ctx, globalCallback, v) {
if (v.delta.class == "NewMessage") {
//Not tested for pages
if (ctx.globalOptions.pageID && ctx.globalOptions.pageID != v.queue) return;
(function resolveAttachmentUrl(i) {
if (v.delta.attachments && (i == v.delta.attachments.length)) {
var fmtMsg;
try {
fmtMsg = utils.formatDeltaMessage(v);
} catch (err) {
return globalCallback({
error: "Problem parsing message object. Please open an issue at https://github.com/Schmavery/facebook-chat-api/issues.",
detail: err,
res: v,
type: "parse_error"
});
}
if (fmtMsg)
if (ctx.globalOptions.autoMarkDelivery) markDelivery(ctx, api, fmtMsg.threadID, fmtMsg.messageID);
return !ctx.globalOptions.selfListen && fmtMsg.senderID === ctx.userID ? undefined : (function() { globalCallback(null, fmtMsg); })();
} else {
if (v.delta.attachments && (v.delta.attachments[i].mercury.attach_type == "photo")) {
api.resolvePhotoUrl(v.delta.attachments[i].fbid, (err, url) => {
if (!err) v.delta.attachments[i].mercury.metadata.url = url;
return resolveAttachmentUrl(i + 1);
});
} else return resolveAttachmentUrl(i + 1);
}
})(0);
}
if (v.delta.class == "ClientPayload") {
var clientPayload = utils.decodeClientPayload(v.delta.payload);
if (clientPayload && clientPayload.deltas) {
for (var i in clientPayload.deltas) {
var delta = clientPayload.deltas[i];
if (delta.deltaMessageReaction && !!ctx.globalOptions.listenEvents) {
(function() {
globalCallback(null, {
type: "message_reaction",
threadID: (delta.deltaMessageReaction.threadKey.threadFbId ? delta.deltaMessageReaction.threadKey.threadFbId : delta.deltaMessageReaction.threadKey.otherUserFbId).toString(),
messageID: delta.deltaMessageReaction.messageId,
reaction: delta.deltaMessageReaction.reaction,
senderID: delta.deltaMessageReaction.senderId.toString(),
userID: delta.deltaMessageReaction.userId.toString()
});
})();
} else if (delta.deltaRecallMessageData && !!ctx.globalOptions.listenEvents) {
(function() {
globalCallback(null, {
type: "message_unsend",
threadID: (delta.deltaRecallMessageData.threadKey.threadFbId ? delta.deltaRecallMessageData.threadKey.threadFbId : delta.deltaRecallMessageData.threadKey.otherUserFbId).toString(),
messageID: delta.deltaRecallMessageData.messageID,
senderID: delta.deltaRecallMessageData.senderID.toString(),
deletionTimestamp: delta.deltaRecallMessageData.deletionTimestamp,
timestamp: delta.deltaRecallMessageData.timestamp
});
})();
} else if (delta.deltaMessageReply) {
//Mention block - #1
var mdata =
delta.deltaMessageReply.message === undefined ? [] :
delta.deltaMessageReply.message.data === undefined ? [] :
delta.deltaMessageReply.message.data.prng === undefined ? [] :
JSON.parse(delta.deltaMessageReply.message.data.prng);
var m_id = mdata.map(u => u.i);
var m_offset = mdata.map(u => u.o);
var m_length = mdata.map(u => u.l);
var mentions = {};
for (var i = 0; i < m_id.length; i++) mentions[m_id[i]] = (delta.deltaMessageReply.message.body || "").substring(m_offset[i], m_offset[i] + m_length[i]);
//Mention block - 1#
var callbackToReturn = {
type: "message_reply",
threadID: (delta.deltaMessageReply.message.messageMetadata.threadKey.threadFbId ? delta.deltaMessageReply.message.messageMetadata.threadKey.threadFbId : delta.deltaMessageReply.message.messageMetadata.threadKey.otherUserFbId).toString(),
messageID: delta.deltaMessageReply.message.messageMetadata.messageId,
senderID: delta.deltaMessageReply.message.messageMetadata.actorFbId.toString(),
attachments: delta.deltaMessageReply.message.attachments.map(function(att) {
var mercury = JSON.parse(att.mercuryJSON);
Object.assign(att, mercury);
return att;
}).map(att => {
var x;
try {
x = utils._formatAttachment(att);
} catch (ex) {
x = att;
x.error = ex;
x.type = "unknown";
}
return x;
}),
args: (delta.deltaMessageReply.message.body || "").trim().split(/\s+/),
body: (delta.deltaMessageReply.message.body || ""),
isGroup: !!delta.deltaMessageReply.message.messageMetadata.threadKey.threadFbId,
mentions,
timestamp: delta.deltaMessageReply.message.messageMetadata.timestamp,
participantIDs: (delta.deltaMessageReply.message.participants || []).map(e => e.toString())
};
if (delta.deltaMessageReply.repliedToMessage) {
//Mention block - #2
mdata =
delta.deltaMessageReply.repliedToMessage === undefined ? [] :
delta.deltaMessageReply.repliedToMessage.data === undefined ? [] :
delta.deltaMessageReply.repliedToMessage.data.prng === undefined ? [] :
JSON.parse(delta.deltaMessageReply.repliedToMessage.data.prng);
m_id = mdata.map(u => u.i);
m_offset = mdata.map(u => u.o);
m_length = mdata.map(u => u.l);
var rmentions = {};
for (var i = 0; i < m_id.length; i++) rmentions[m_id[i]] = (delta.deltaMessageReply.repliedToMessage.body || "").substring(m_offset[i], m_offset[i] + m_length[i]);
//Mention block - 2#
callbackToReturn.messageReply = {
threadID: (delta.deltaMessageReply.repliedToMessage.messageMetadata.threadKey.threadFbId ? delta.deltaMessageReply.repliedToMessage.messageMetadata.threadKey.threadFbId : delta.deltaMessageReply.repliedToMessage.messageMetadata.threadKey.otherUserFbId).toString(),
messageID: delta.deltaMessageReply.repliedToMessage.messageMetadata.messageId,
senderID: delta.deltaMessageReply.repliedToMessage.messageMetadata.actorFbId.toString(),
attachments: delta.deltaMessageReply.repliedToMessage.attachments.map(function(att) {
var mercury = JSON.parse(att.mercuryJSON);
Object.assign(att, mercury);
return att;
}).map(att => {
var x;
try {
x = utils._formatAttachment(att);
} catch (ex) {
x = att;
x.error = ex;
x.type = "unknown";
}
return x;
}),
args: (delta.deltaMessageReply.repliedToMessage.body || "").trim().split(/\s+/),
body: delta.deltaMessageReply.repliedToMessage.body || "",
isGroup: !!delta.deltaMessageReply.repliedToMessage.messageMetadata.threadKey.threadFbId,
mentions: rmentions,
timestamp: delta.deltaMessageReply.repliedToMessage.messageMetadata.timestamp,
participantIDs: (delta.deltaMessageReply.repliedToMessage.participants || []).map(e => e.toString())
};
} else if (delta.deltaMessageReply.replyToMessageId) {
return defaultFuncs
.post("https://www.facebook.com/api/graphqlbatch/", ctx.jar, {
"av": ctx.globalOptions.pageID,
"queries": JSON.stringify({
"o0": {
//Using the same doc_id as forcedFetch
"doc_id": "2848441488556444",
"query_params": {
"thread_and_message_id": {
"thread_id": callbackToReturn.threadID,
"message_id": delta.deltaMessageReply.replyToMessageId.id,
}
}
}
})
})
.then(utils.parseAndCheckLogin(ctx, defaultFuncs))
.then((resData) => {
if (resData[resData.length - 1].error_results > 0) {
const errorL = resData[0].o0.errors;
throw errorL;
}
if (resData[resData.length - 1].successful_results === 0) throw { error: "forcedFetch: there was no successful_results", res: resData };
var fetchData = resData[0].o0.data.message;
var mobj = {};
for (var n in fetchData.message.ranges) mobj[fetchData.message.ranges[n].entity.id] = (fetchData.message.text || "").substr(fetchData.message.ranges[n].offset, fetchData.message.ranges[n].length);
callbackToReturn.messageReply = {
threadID: callbackToReturn.threadID,
messageID: fetchData.message_id,
senderID: fetchData.message_sender.id.toString(),
attachments: fetchData.message.blob_attachment.map(att => {
var x;
try {
x = utils._formatAttachment({ blob_attachment: att });
} catch (ex) {
x = att;
x.error = ex;
x.type = "unknown";
}
return x;
}),
args: (fetchData.message.text || "").trim().split(/\s+/) || [],
body: fetchData.message.text || "",
isGroup: callbackToReturn.isGroup,
mentions: mobj,
timestamp: parseInt(fetchData.timestamp_precise),
};
})
.catch(err => utils.error("forcedFetch", err))
.finally(() => {
if (ctx.globalOptions.autoMarkDelivery) markDelivery(ctx, api, callbackToReturn.threadID, callbackToReturn.messageID);
!ctx.globalOptions.selfListen && callbackToReturn.senderID === ctx.userID ? undefined : (function() { globalCallback(null, callbackToReturn); })();
});
} else callbackToReturn.delta = delta;
if (ctx.globalOptions.autoMarkDelivery) markDelivery(ctx, api, callbackToReturn.threadID, callbackToReturn.messageID);
return !ctx.globalOptions.selfListen && callbackToReturn.senderID === ctx.userID ? undefined : (function() { globalCallback(null, callbackToReturn); })();
}
}
return;
}
}
if (v.delta.class !== "NewMessage" && !ctx.globalOptions.listenEvents) return;
switch (v.delta.class) {
case "ReadReceipt":
var fmtMsg;
try {
fmtMsg = utils.formatDeltaReadReceipt(v.delta);
} catch (err) {
return globalCallback({
error: "Problem parsing message object. Please open an issue at https://github.com/Schmavery/facebook-chat-api/issues.",
detail: err,
res: v.delta,
type: "parse_error"
});
}
return (function() { globalCallback(null, fmtMsg); })();
case "AdminTextMessage":
switch (v.delta.type) {
case "change_thread_theme":
case "change_thread_nickname":
case "change_thread_admins":
case "change_thread_approval_mode":
case "joinable_group_link_mode_change":
case "rtc_call_log":
case "group_poll":
case "update_vote":
case "magic_words":
case "messenger_call_log":
case "participant_joined_group_call":
var fmtMsg;
try {
fmtMsg = utils.formatDeltaEvent(v.delta);
} catch (err) {
return globalCallback({
error: "Problem parsing message object. Please open an issue at https://github.com/Schmavery/facebook-chat-api/issues.",
detail: err,
res: v.delta,
type: "parse_error"
});
}
return (function() { globalCallback(null, fmtMsg); })();
default:
return;
}
break;
//For group images
case "ForcedFetch":
if (!v.delta.threadKey) return;
var mid = v.delta.messageId;
var tid = v.delta.threadKey.threadFbId;
if (mid && tid) {
const form = {
"av": ctx.globalOptions.pageID,
"queries": JSON.stringify({
"o0": {
//This doc_id is valid as of March 25, 2020
"doc_id": "2848441488556444",
"query_params": {
"thread_and_message_id": {
"thread_id": tid.toString(),
"message_id": mid,
}
}
}
})
};
defaultFuncs
.post("https://www.facebook.com/api/graphqlbatch/", ctx.jar, form)
.then(utils.parseAndCheckLogin(ctx, defaultFuncs))
.then((resData) => {
if (resData[resData.length - 1].error_results > 0) {
const errorL = resData[0].o0.errors;
throw errorL;
}
if (resData[resData.length - 1].successful_results === 0) throw { error: "forcedFetch: there was no successful_results", res: resData };
var fetchData = resData[0].o0.data.message;
if (utils.getType(fetchData) == "Object") {
utils.log("forcedFetch", fetchData);
switch (fetchData.__typename) {
case "ThreadImageMessage":
(!ctx.globalOptions.selfListen &&
fetchData.message_sender.id.toString() === ctx.userID) ||
!ctx.loggedIn ?
undefined :
(function() {
globalCallback(null, {
type: "change_thread_image",
threadID: utils.formatID(tid.toString()),
snippet: fetchData.snippet,
timestamp: fetchData.timestamp_precise,
author: fetchData.message_sender.id,
image: {
attachmentID: fetchData.image_with_metadata && fetchData.image_with_metadata.legacy_attachment_id,
width: fetchData.image_with_metadata && fetchData.image_with_metadata.original_dimensions.x,
height: fetchData.image_with_metadata && fetchData.image_with_metadata.original_dimensions.y,
url: fetchData.image_with_metadata && fetchData.image_with_metadata.preview.uri
}
});
})();
break;
case "UserMessage":
utils.log("ff-Return", {
type: "message",
senderID: utils.formatID(fetchData.message_sender.id),
body: fetchData.message.text || "",
threadID: utils.formatID(tid.toString()),
messageID: fetchData.message_id,
attachments: [{
type: "share",
ID: fetchData.extensible_attachment.legacy_attachment_id,
url: fetchData.extensible_attachment.story_attachment.url,
title: fetchData.extensible_attachment.story_attachment.title_with_entities.text,
description: fetchData.extensible_attachment.story_attachment.description.text,
source: fetchData.extensible_attachment.story_attachment.source,
image: ((fetchData.extensible_attachment.story_attachment.media || {}).image || {}).uri,
width: ((fetchData.extensible_attachment.story_attachment.media || {}).image || {}).width,
height: ((fetchData.extensible_attachment.story_attachment.media || {}).image || {}).height,
playable: (fetchData.extensible_attachment.story_attachment.media || {}).is_playable || false,
duration: (fetchData.extensible_attachment.story_attachment.media || {}).playable_duration_in_ms || 0,
subattachments: fetchData.extensible_attachment.subattachments,
properties: fetchData.extensible_attachment.story_attachment.properties,
}],
mentions: {},
timestamp: parseInt(fetchData.timestamp_precise),
isGroup: (fetchData.message_sender.id != tid.toString())
});
globalCallback(null, {
type: "message",
senderID: utils.formatID(fetchData.message_sender.id),
body: fetchData.message.text || "",
threadID: utils.formatID(tid.toString()),
messageID: fetchData.message_id,
attachments: [{
type: "share",
ID: fetchData.extensible_attachment.legacy_attachment_id,
url: fetchData.extensible_attachment.story_attachment.url,
title: fetchData.extensible_attachment.story_attachment.title_with_entities.text,
description: fetchData.extensible_attachment.story_attachment.description.text,
source: fetchData.extensible_attachment.story_attachment.source,
image: ((fetchData.extensible_attachment.story_attachment.media || {}).image || {}).uri,
width: ((fetchData.extensible_attachment.story_attachment.media || {}).image || {}).width,
height: ((fetchData.extensible_attachment.story_attachment.media || {}).image || {}).height,
playable: (fetchData.extensible_attachment.story_attachment.media || {}).is_playable || false,
duration: (fetchData.extensible_attachment.story_attachment.media || {}).playable_duration_in_ms || 0,
subattachments: fetchData.extensible_attachment.subattachments,
properties: fetchData.extensible_attachment.story_attachment.properties,
}],
mentions: {},
timestamp: parseInt(fetchData.timestamp_precise),
isGroup: (fetchData.message_sender.id != tid.toString())
});
}
} else utils.error("forcedFetch", fetchData);
})
.catch((err) => utils.error("forcedFetch", err));
}
break;
case "ThreadName":
case "ParticipantsAddedToGroupThread":
case "ParticipantLeftGroupThread":
var formattedEvent;
try {
formattedEvent = utils.formatDeltaEvent(v.delta);
} catch (err) {
return globalCallback({
error: "Problem parsing message object. Please open an issue at https://github.com/Schmavery/facebook-chat-api/issues.",
detail: err,
res: v.delta,
type: "parse_error"
});
}
return (!ctx.globalOptions.selfListen && formattedEvent.author.toString() === ctx.userID) || !ctx.loggedIn ? undefined : (function() { globalCallback(null, formattedEvent); })();
}
}
function markDelivery(ctx, api, threadID, messageID) {
if (threadID && messageID) {
api.markAsDelivered(threadID, messageID, (err) => {
if (err) utils.error("markAsDelivered", err);
else {
if (ctx.globalOptions.autoMarkRead) {
api.markAsRead(threadID, (err) => {
if (err) utils.error("markAsDelivered", err);
});
}
}
});
}
}
module.exports = function(defaultFuncs, api, ctx) {
var globalCallback = identity;
getSeqID = function getSeqID() {
ctx.t_mqttCalled = false;
defaultFuncs
.post("https://www.facebook.com/api/graphqlbatch/", ctx.jar, form)
.then(utils.parseAndCheckLogin(ctx, defaultFuncs))
.then((resData) => {
if (utils.getType(resData) != "Array")
throw { error: "Not logged in", res: resData };
if (resData[resData.length - 1].error_results > 0) {
const errorL = resData[0].o0.errors;
throw errorL;
}
if (resData[resData.length - 1].successful_results === 0) throw { error: "getSeqId: there was no successful_results", res: resData };
if (resData[0].o0.data.viewer.message_threads.sync_sequence_id) {
ctx.lastSeqId = resData[0].o0.data.viewer.message_threads.sync_sequence_id;
listenMqtt(defaultFuncs, api, ctx, globalCallback);
} else throw { error: "getSeqId: no sync_sequence_id found.", res: resData };
})
.catch((err) => {
if (utils.getType(err) == "Object" && err.error === "Not logged in") {
ctx.loggedIn = false;
}
return globalCallback(err);
});
};
return async (callback) => {
var msgEmitter = new EventEmitter();
globalCallback = (callback || function(error, message) {
if (error) return msgEmitter.emit("error", error);
msgEmitter.emit("message", message);
});
//Reset some stuff
if (!ctx.firstListen) ctx.lastSeqId = null;
ctx.syncToken = undefined;
ctx.t_mqttCalled = false;
//Same request as getThreadList
form = {
"av": ctx.globalOptions.pageID,
"queries": JSON.stringify({
"o0": {
"doc_id": "3336396659757871",
"query_params": {
"limit": 1,
"before": null,
"tags": ["INBOX"],
"includeDeliveryReceipts": false,
"includeSeqID": true
}
}
})
};
if (!ctx.firstListen || !ctx.lastSeqId) getSeqID();
else listenMqtt(defaultFuncs, api, ctx, globalCallback);
ctx.firstListen = false;
return msgEmitter;
};
};