@baileys-md/baileys
Version:
Baileys WhatsApp API
355 lines • 11.9 kB
JavaScript
//=======================================================//
import { getAllBinaryNodeChildren, jidDecode } from "../WABinary/index.js";
import { DisconnectReason } from "../Types/index.js";
import { createHash, randomBytes } from "crypto";
import { proto } from "../../WAProto/index.js";
import { version } from "../Defaults/index.js"
import { sha256 } from "./crypto.js";
import { Boom } from "@hapi/boom";
//=======================================================//
export const BufferJSON = {
replacer: (k, value) => {
if (Buffer.isBuffer(value) || value instanceof Uint8Array || value?.type === "Buffer") {
return { type: "Buffer", data: Buffer.from(value?.data || value).toString("base64") };
}
return value;
},
reviver: (_, value) => {
if (typeof value === "object" && value !== null && value.type === "Buffer" && typeof value.data === "string") {
return Buffer.from(value.data, "base64");
}
if (typeof value === "object" && value !== null && !Array.isArray(value)) {
const keys = Object.keys(value);
if (keys.length > 0 && keys.every(k => !isNaN(parseInt(k, 10)))) {
const values = Object.values(value);
if (values.every(v => typeof v === "number")) {
return Buffer.from(values);
}
}
}
return value;
}
};
//=======================================================//
export const getKeyAuthor = (key, meId = "me") => (key?.fromMe ? meId : key?.participant || key?.remoteJid) || "";
export const writeRandomPadMax16 = (msg) => {
const pad = randomBytes(1);
const padLength = (pad[0] & 0x0f) + 1;
return Buffer.concat([msg, Buffer.alloc(padLength, padLength)]);
};
//=======================================================//
export const unpadRandomMax16 = (e) => {
const t = new Uint8Array(e);
if (0 === t.length) {
throw new Error("unpadPkcs7 given empty bytes");
}
var r = t[t.length - 1];
if (r > t.length) {
throw new Error(`unpad given ${t.length} bytes, but pad is ${r}`);
}
return new Uint8Array(t.buffer, t.byteOffset, t.length - r);
};
//=======================================================//
export const generateParticipantHashV2 = (participants) => {
participants.sort();
const sha256Hash = sha256(Buffer.from(participants.join(""))).toString("base64");
return "2:" + sha256Hash.slice(0, 6);
};
//=======================================================//
export const encodeWAMessage = (message) => writeRandomPadMax16(proto.Message.encode(message).finish());
export const generateRegistrationId = () => {
return Uint16Array.from(randomBytes(2))[0] & 16383;
};
//=======================================================//
export const encodeBigEndian = (e, t = 4) => {
let r = e;
const a = new Uint8Array(t);
for (let i = t - 1; i >= 0; i--) {
a[i] = 255 & r;
r >>>= 8;
}
return a;
};
export const toNumber = (t) => typeof t === "object" && t ? ("toNumber" in t ? t.toNumber() : t.low) : t || 0;
//=======================================================//
export const unixTimestampSeconds = (date = new Date()) => Math.floor(date.getTime() / 1000);
export const debouncedTimeout = (intervalMs = 1000, task) => {
let timeout;
return {
start: (newIntervalMs, newTask) => {
task = newTask || task;
intervalMs = newIntervalMs || intervalMs;
timeout && clearTimeout(timeout);
timeout = setTimeout(() => task?.(), intervalMs);
},
cancel: () => {
timeout && clearTimeout(timeout);
timeout = undefined;
},
setTask: (newTask) => (task = newTask),
setInterval: (newInterval) => (intervalMs = newInterval)
};
};
//=======================================================//
export const delay = (ms) => delayCancellable(ms).delay;
export const delayCancellable = (ms) => {
const stack = new Error().stack;
let timeout;
let reject;
const delay = new Promise((resolve, _reject) => {
timeout = setTimeout(resolve, ms);
reject = _reject;
});
const cancel = () => {
clearTimeout(timeout);
reject(new Boom("Cancelled", {
statusCode: 500,
data: {
stack
}
}));
};
return { delay, cancel };
};
//=======================================================//
export async function promiseTimeout(ms, promise) {
return new Promise(promise);
}
//=======================================================//
export const generateMessageIDV2 = (userId) => {
const data = Buffer.alloc(8 + 20 + 16);
data.writeBigUInt64BE(BigInt(Math.floor(Date.now() / 1000)));
if (userId) {
const id = jidDecode(userId);
if (id?.user) {
data.write(id.user, 8);
data.write("@c.us", 8 + id.user.length);
}
}
const random = randomBytes(16);
random.copy(data, 28);
const hash = createHash("sha256").update(data).digest();
return "3EB0" + hash.toString("hex").toUpperCase().substring(0, 18);
};
//=======================================================//
export const generateMessageID = () => "3EB0" + randomBytes(18).toString("hex").toUpperCase();
export function bindWaitForEvent(ev, event) {
return async (check, timeoutMs) => {
let listener;
let closeListener;
await promiseTimeout(timeoutMs, (resolve, reject) => {
closeListener = ({ connection, lastDisconnect }) => {
if (connection === "close") {
reject(lastDisconnect?.error || new Boom("Connection Closed", { statusCode: DisconnectReason.connectionClosed }));
}
};
ev.on("connection.update", closeListener);
listener = async (update) => {
if (await check(update)) {
resolve();
}
};
ev.on(event, listener);
}).finally(() => {
ev.off(event, listener);
ev.off("connection.update", closeListener);
});
};
}
export const bindWaitForConnectionUpdate = (ev) => bindWaitForEvent(ev, "connection.update");
//=======================================================//
export const fetchLatestBaileysVersion = async (options = {}) => {
const URL = "https://raw.githubusercontent.com/WhiskeySockets/Baileys/master/src/Defaults/index.ts";
try {
const response = await fetch(URL, {
dispatcher: options.dispatcher,
method: "GET",
headers: options.headers
});
if (!response.ok) {
throw new Boom(`Failed to fetch latest Baileys version: ${response.statusText}`, { statusCode: response.status });
}
const text = await response.text();
const lines = text.split("\n");
const versionLine = lines[6];
const versionMatch = versionLine.match(/const version = \[(\d+),\s*(\d+),\s*(\d+)\]/);
if (versionMatch) {
const version = [parseInt(versionMatch[1]), parseInt(versionMatch[2]), parseInt(versionMatch[3])];
return {
version,
isLatest: true
};
}
else {
throw new Error("Could not parse version from Defaults/index.ts");
}
}
catch (error) {
return {
version: version,
isLatest: false,
error
};
}
};
//=======================================================//
export const fetchLatestWaWebVersion = async (options = {}) => {
try {
const defaultHeaders = {
"sec-fetch-site": "none",
"user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36"
};
const headers = { ...defaultHeaders, ...options.headers };
const response = await fetch("https://web.whatsapp.com/sw.js", {
...options,
method: "GET",
headers
});
if (!response.ok) {
throw new Boom(`Failed to fetch sw.js: ${response.statusText}`, { statusCode: response.status });
}
const data = await response.text();
const regex = /\\?"client_revision\\?":\s*(\d+)/;
const match = data.match(regex);
if (!match?.[1]) {
return {
version: version,
isLatest: false,
error: {
message: "Could not find client revision in the fetched content"
}
};
}
const clientRevision = match[1];
return {
version: [2, 3000, +clientRevision],
isLatest: true
};
}
catch (error) {
return {
version: version,
isLatest: false,
error
};
}
};
//=======================================================//
export const generateMdTagPrefix = () => {
const bytes = randomBytes(4);
return `${bytes.readUInt16BE()}.${bytes.readUInt16BE(2)}-`;
};
//=======================================================//
const STATUS_MAP = {
"sender": proto.WebMessageInfo.Status.SERVER_ACK,
"played": proto.WebMessageInfo.Status.PLAYED,
"read": proto.WebMessageInfo.Status.READ,
"read-self": proto.WebMessageInfo.Status.READ
};
//=======================================================//
export const getStatusFromReceiptType = (type) => {
const status = STATUS_MAP[type];
if (typeof type === "undefined") {
return proto.WebMessageInfo.Status.DELIVERY_ACK;
}
return status;
};
//=======================================================//
const CODE_MAP = {
conflict: DisconnectReason.connectionReplaced
};
//=======================================================//
export const getErrorCodeFromStreamError = (node) => {
const [reasonNode] = getAllBinaryNodeChildren(node);
let reason = reasonNode?.tag || "unknown";
const statusCode = +(node.attrs.code || CODE_MAP[reason] || DisconnectReason.badSession);
if (statusCode === DisconnectReason.restartRequired) {
reason = "restart required";
}
return {
reason,
statusCode
};
};
//=======================================================//
export const getCallStatusFromNode = ({ tag, attrs }) => {
let status;
switch (tag) {
case "offer":
case "offer_notice":
status = "offer";
break;
case "terminate":
if (attrs.reason === "timeout") {
status = "timeout";
}
else {
status = "terminate";
}
break;
case "reject":
status = "reject";
break;
case "accept":
status = "accept";
break;
default:
status = "ringing";
break;
}
return status;
};
//=======================================================//
const UNEXPECTED_SERVER_CODE_TEXT = "Unexpected server response: ";
export const getCodeFromWSError = (error) => {
let statusCode = 500;
if (error?.message?.includes(UNEXPECTED_SERVER_CODE_TEXT)) {
const code = +error?.message.slice(UNEXPECTED_SERVER_CODE_TEXT.length);
if (!Number.isNaN(code) && code >= 400) {
statusCode = code;
}
}
else if (
error?.code?.startsWith("E") ||
error?.message?.includes("timed out")) {
statusCode = 408;
}
return statusCode;
};
//=======================================================//
export const isWABusinessPlatform = (platform) => {
return platform === "smbi" || platform === "smba";
};
//=======================================================//
export function trimUndefined(obj) {
for (const key in obj) {
if (typeof obj[key] === "undefined") {
delete obj[key];
}
}
return obj;
}
//=======================================================//
const CROCKFORD_CHARACTERS = "123456789ABCDEFGHJKLMNPQRSTVWXYZ";
export function bytesToCrockford(buffer) {
let value = 0;
let bitCount = 0;
const crockford = [];
for (const element of buffer) {
value = (value << 8) | (element & 0xff);
bitCount += 8;
while (bitCount >= 5) {
crockford.push(CROCKFORD_CHARACTERS.charAt((value >>> (bitCount - 5)) & 31));
bitCount -= 5;
}
}
if (bitCount > 0) {
crockford.push(CROCKFORD_CHARACTERS.charAt((value << (5 - bitCount)) & 31));
}
return crockford.join("");
}
//=======================================================//
export function encodeNewsletterMessage(message) {
return proto.Message.encode(message).finish();
}
//=======================================================//