@radzztnzx/rbail
Version:
Pro Bails based by Whiskeysockets, Modified by RadzzOffc
820 lines • 32.8 kB
JavaScript
import { Boom } from '@hapi/boom';
import { randomBytes } from 'crypto';
import { promises as fs } from 'fs';
import {} from 'stream';
import { proto } from '../../WAProto/index.js';
import { CALL_AUDIO_PREFIX, CALL_VIDEO_PREFIX, MEDIA_KEYS, URL_REGEX, WA_DEFAULT_EPHEMERAL } from '../Defaults/index.js';
import { WAMessageStatus, WAProto } from '../Types/index.js';
import { isJidGroup, isJidNewsletter, isJidStatusBroadcast, jidNormalizedUser } from '../WABinary/index.js';
import { sha256 } from './crypto.js';
import { generateMessageIDV2, getKeyAuthor, unixTimestampSeconds } from './generics.js';
import { downloadContentFromMessage, encryptedStream, generateThumbnail, getAudioDuration, getAudioWaveform, getRawMediaUploadData } from './messages-media.js';
const MIMETYPE_MAP = {
image: 'image/jpeg',
video: 'video/mp4',
document: 'application/pdf',
audio: 'audio/ogg; codecs=opus',
sticker: 'image/webp',
'product-catalog-image': 'image/jpeg'
};
const MessageTypeProto = {
image: WAProto.Message.ImageMessage,
video: WAProto.Message.VideoMessage,
audio: WAProto.Message.AudioMessage,
sticker: WAProto.Message.StickerMessage,
document: WAProto.Message.DocumentMessage
};
/**
* Uses a regex to test whether the string contains a URL, and returns the URL if it does.
* @param text eg. hello https://google.com
* @returns the URL, eg. https://google.com
*/
export const extractUrlFromText = (text) => text.match(URL_REGEX)?.[0];
export const generateLinkPreviewIfRequired = async (text, getUrlInfo, logger) => {
const url = extractUrlFromText(text);
if (!!getUrlInfo && url) {
try {
const urlInfo = await getUrlInfo(url);
return urlInfo;
}
catch (error) {
// ignore if fails
logger?.warn({ trace: error.stack }, 'url generation failed');
}
}
};
const assertColor = async (color) => {
let assertedColor;
if (typeof color === 'number') {
assertedColor = color > 0 ? color : 0xffffffff + Number(color) + 1;
}
else {
let hex = color.trim().replace('#', '');
if (hex.length <= 6) {
hex = 'FF' + hex.padStart(6, '0');
}
assertedColor = parseInt(hex, 16);
return assertedColor;
}
};
export const prepareWAMessageMedia = async (message, options) => {
const logger = options.logger;
let mediaType;
for (const key of MEDIA_KEYS) {
if (key in message) {
mediaType = key;
}
}
if (!mediaType) {
throw new Boom('Invalid media type', { statusCode: 400 });
}
const uploadData = {
...message,
media: message[mediaType]
};
delete uploadData[mediaType];
// check if cacheable + generate cache key
const cacheableKey = typeof uploadData.media === 'object' &&
'url' in uploadData.media &&
!!uploadData.media.url &&
!!options.mediaCache &&
mediaType + ':' + uploadData.media.url.toString();
if (mediaType === 'document' && !uploadData.fileName) {
uploadData.fileName = 'file';
}
if (!uploadData.mimetype) {
uploadData.mimetype = MIMETYPE_MAP[mediaType];
}
if (cacheableKey) {
const mediaBuff = await options.mediaCache.get(cacheableKey);
if (mediaBuff) {
logger?.debug({ cacheableKey }, 'got media cache hit');
const obj = proto.Message.decode(mediaBuff);
const key = `${mediaType}Message`;
Object.assign(obj[key], { ...uploadData, media: undefined });
return obj;
}
}
const isNewsletter = !!options.jid && isJidNewsletter(options.jid);
if (isNewsletter) {
logger?.info({ key: cacheableKey }, 'Preparing raw media for newsletter');
const { filePath, fileSha256, fileLength } = await getRawMediaUploadData(uploadData.media, options.mediaTypeOverride || mediaType, logger);
const fileSha256B64 = fileSha256.toString('base64');
const { mediaUrl, directPath } = await options.upload(filePath, {
fileEncSha256B64: fileSha256B64,
mediaType: mediaType,
timeoutMs: options.mediaUploadTimeoutMs
});
await fs.unlink(filePath);
const obj = WAProto.Message.fromObject({
// todo: add more support here
[`${mediaType}Message`]: MessageTypeProto[mediaType].fromObject({
url: mediaUrl,
directPath,
fileSha256,
fileLength,
...uploadData,
media: undefined
})
});
if (uploadData.ptv) {
obj.ptvMessage = obj.videoMessage;
delete obj.videoMessage;
}
if (obj.stickerMessage) {
obj.stickerMessage.stickerSentTs = Date.now();
}
if (cacheableKey) {
logger?.debug({ cacheableKey }, 'set cache');
await options.mediaCache.set(cacheableKey, WAProto.Message.encode(obj).finish());
}
return obj;
}
const requiresDurationComputation = mediaType === 'audio' && typeof uploadData.seconds === 'undefined';
const requiresThumbnailComputation = (mediaType === 'image' || mediaType === 'video') && typeof uploadData['jpegThumbnail'] === 'undefined';
const requiresWaveformProcessing = mediaType === 'audio' && uploadData.ptt === true;
const requiresAudioBackground = options.backgroundColor && mediaType === 'audio' && uploadData.ptt === true;
const requiresOriginalForSomeProcessing = requiresDurationComputation || requiresThumbnailComputation;
const { mediaKey, encFilePath, originalFilePath, fileEncSha256, fileSha256, fileLength } = await encryptedStream(uploadData.media, options.mediaTypeOverride || mediaType, {
logger,
saveOriginalFileIfRequired: requiresOriginalForSomeProcessing,
opts: options.options
});
const fileEncSha256B64 = fileEncSha256.toString('base64');
const [{ mediaUrl, directPath }] = await Promise.all([
(async () => {
const result = await options.upload(encFilePath, {
fileEncSha256B64,
mediaType,
timeoutMs: options.mediaUploadTimeoutMs
});
logger?.debug({ mediaType, cacheableKey }, 'uploaded media');
return result;
})(),
(async () => {
try {
if (requiresThumbnailComputation) {
const { thumbnail, originalImageDimensions } = await generateThumbnail(originalFilePath, mediaType, options);
uploadData.jpegThumbnail = thumbnail;
if (!uploadData.width && originalImageDimensions) {
uploadData.width = originalImageDimensions.width;
uploadData.height = originalImageDimensions.height;
logger?.debug('set dimensions');
}
logger?.debug('generated thumbnail');
}
if (requiresDurationComputation) {
uploadData.seconds = await getAudioDuration(originalFilePath);
logger?.debug('computed audio duration');
}
if (requiresWaveformProcessing) {
uploadData.waveform = await getAudioWaveform(originalFilePath, logger);
logger?.debug('processed waveform');
}
if (requiresAudioBackground) {
uploadData.backgroundArgb = await assertColor(options.backgroundColor);
logger?.debug('computed backgroundColor audio status');
}
}
catch (error) {
logger?.warn({ trace: error.stack }, 'failed to obtain extra info');
}
})()
]).finally(async () => {
try {
await fs.unlink(encFilePath);
if (originalFilePath) {
await fs.unlink(originalFilePath);
}
logger?.debug('removed tmp files');
}
catch (error) {
logger?.warn('failed to remove tmp file');
}
});
const obj = WAProto.Message.fromObject({
[`${mediaType}Message`]: MessageTypeProto[mediaType].fromObject({
url: mediaUrl,
directPath,
mediaKey,
fileEncSha256,
fileSha256,
fileLength,
mediaKeyTimestamp: unixTimestampSeconds(),
...uploadData,
media: undefined
})
});
if (uploadData.ptv) {
obj.ptvMessage = obj.videoMessage;
delete obj.videoMessage;
}
if (cacheableKey) {
logger?.debug({ cacheableKey }, 'set cache');
await options.mediaCache.set(cacheableKey, WAProto.Message.encode(obj).finish());
}
return obj;
};
export const prepareDisappearingMessageSettingContent = (ephemeralExpiration) => {
ephemeralExpiration = ephemeralExpiration || 0;
const content = {
ephemeralMessage: {
message: {
protocolMessage: {
type: WAProto.Message.ProtocolMessage.Type.EPHEMERAL_SETTING,
ephemeralExpiration
}
}
}
};
return WAProto.Message.fromObject(content);
};
/**
* Generate forwarded message content like WA does
* @param message the message to forward
* @param options.forceForward will show the message as forwarded even if it is from you
*/
export const generateForwardMessageContent = (message, forceForward) => {
let content = message.message;
if (!content) {
throw new Boom('no content in message', { statusCode: 400 });
}
// hacky copy
content = normalizeMessageContent(content);
content = proto.Message.decode(proto.Message.encode(content).finish());
let key = Object.keys(content)[0];
let score = content?.[key]?.contextInfo?.forwardingScore || 0;
score += message.key.fromMe && !forceForward ? 0 : 1;
if (key === 'conversation') {
content.extendedTextMessage = { text: content[key] };
delete content.conversation;
key = 'extendedTextMessage';
}
const key_ = content?.[key];
if (score > 0) {
key_.contextInfo = { forwardingScore: score, isForwarded: true };
}
else {
key_.contextInfo = {};
}
return content;
};
export const generateWAMessageContent = async (message, options) => {
var _a, _b;
let m = {};
if ('text' in message) {
const extContent = { text: message.text };
let urlInfo = message.linkPreview;
if (typeof urlInfo === 'undefined') {
urlInfo = await generateLinkPreviewIfRequired(message.text, options.getUrlInfo, options.logger);
}
if (urlInfo) {
extContent.matchedText = urlInfo['matched-text'];
extContent.jpegThumbnail = urlInfo.jpegThumbnail;
extContent.description = urlInfo.description;
extContent.title = urlInfo.title;
extContent.previewType = 0;
const img = urlInfo.highQualityThumbnail;
if (img) {
extContent.thumbnailDirectPath = img.directPath;
extContent.mediaKey = img.mediaKey;
extContent.mediaKeyTimestamp = img.mediaKeyTimestamp;
extContent.thumbnailWidth = img.width;
extContent.thumbnailHeight = img.height;
extContent.thumbnailSha256 = img.fileSha256;
extContent.thumbnailEncSha256 = img.fileEncSha256;
}
}
if (options.backgroundColor) {
extContent.backgroundArgb = await assertColor(options.backgroundColor);
}
if (options.font) {
extContent.font = options.font;
}
m.extendedTextMessage = extContent;
}
else if ('contacts' in message) {
const contactLen = message.contacts.contacts.length;
if (!contactLen) {
throw new Boom('require atleast 1 contact', { statusCode: 400 });
}
if (contactLen === 1) {
m.contactMessage = WAProto.Message.ContactMessage.create(message.contacts.contacts[0]);
}
else {
m.contactsArrayMessage = WAProto.Message.ContactsArrayMessage.create(message.contacts);
}
}
else if ('location' in message) {
m.locationMessage = WAProto.Message.LocationMessage.create(message.location);
}
else if ('react' in message) {
if (!message.react.senderTimestampMs) {
message.react.senderTimestampMs = Date.now();
}
m.reactionMessage = WAProto.Message.ReactionMessage.create(message.react);
}
else if ('delete' in message) {
m.protocolMessage = {
key: message.delete,
type: WAProto.Message.ProtocolMessage.Type.REVOKE
};
}
else if ('forward' in message) {
m = generateForwardMessageContent(message.forward, message.force);
}
else if ('disappearingMessagesInChat' in message) {
const exp = typeof message.disappearingMessagesInChat === 'boolean'
? message.disappearingMessagesInChat
? WA_DEFAULT_EPHEMERAL
: 0
: message.disappearingMessagesInChat;
m = prepareDisappearingMessageSettingContent(exp);
}
else if ('groupInvite' in message) {
m.groupInviteMessage = {};
m.groupInviteMessage.inviteCode = message.groupInvite.inviteCode;
m.groupInviteMessage.inviteExpiration = message.groupInvite.inviteExpiration;
m.groupInviteMessage.caption = message.groupInvite.text;
m.groupInviteMessage.groupJid = message.groupInvite.jid;
m.groupInviteMessage.groupName = message.groupInvite.subject;
//TODO: use built-in interface and get disappearing mode info etc.
//TODO: cache / use store!?
if (options.getProfilePicUrl) {
const pfpUrl = await options.getProfilePicUrl(message.groupInvite.jid, 'preview');
if (pfpUrl) {
const resp = await fetch(pfpUrl, { method: 'GET', dispatcher: options?.options?.dispatcher });
if (resp.ok) {
const buf = Buffer.from(await resp.arrayBuffer());
m.groupInviteMessage.jpegThumbnail = buf;
}
}
}
}
else if ('pin' in message) {
m.pinInChatMessage = {};
m.messageContextInfo = {};
m.pinInChatMessage.key = message.pin;
m.pinInChatMessage.type = message.type;
m.pinInChatMessage.senderTimestampMs = Date.now();
m.messageContextInfo.messageAddOnDurationInSecs = message.type === 1 ? message.time || 86400 : 0;
}
else if ('buttonReply' in message) {
switch (message.type) {
case 'template':
m.templateButtonReplyMessage = {
selectedDisplayText: message.buttonReply.displayText,
selectedId: message.buttonReply.id,
selectedIndex: message.buttonReply.index
};
break;
case 'plain':
m.buttonsResponseMessage = {
selectedButtonId: message.buttonReply.id,
selectedDisplayText: message.buttonReply.displayText,
type: proto.Message.ButtonsResponseMessage.Type.DISPLAY_TEXT
};
break;
}
}
else if ('ptv' in message && message.ptv) {
const { videoMessage } = await prepareWAMessageMedia({ video: message.video }, options);
m.ptvMessage = videoMessage;
}
else if ('product' in message) {
const { imageMessage } = await prepareWAMessageMedia({ image: message.product.productImage }, options);
m.productMessage = WAProto.Message.ProductMessage.create({
...message,
product: {
...message.product,
productImage: imageMessage
}
});
}
else if ('listReply' in message) {
m.listResponseMessage = { ...message.listReply };
}
else if ('event' in message) {
m.eventMessage = {};
const startTime = Math.floor(message.event.startDate.getTime() / 1000);
if (message.event.call && options.getCallLink) {
const token = await options.getCallLink(message.event.call, { startTime });
m.eventMessage.joinLink = (message.event.call === 'audio' ? CALL_AUDIO_PREFIX : CALL_VIDEO_PREFIX) + token;
}
m.messageContextInfo = {
// encKey
messageSecret: message.event.messageSecret || randomBytes(32)
};
m.eventMessage.name = message.event.name;
m.eventMessage.description = message.event.description;
m.eventMessage.startTime = startTime;
m.eventMessage.endTime = message.event.endDate ? message.event.endDate.getTime() / 1000 : undefined;
m.eventMessage.isCanceled = message.event.isCancelled ?? false;
m.eventMessage.extraGuestsAllowed = message.event.extraGuestsAllowed;
m.eventMessage.isScheduleCall = message.event.isScheduleCall ?? false;
m.eventMessage.location = message.event.location;
}
else if ('poll' in message) {
(_a = message.poll).selectableCount || (_a.selectableCount = 0);
(_b = message.poll).toAnnouncementGroup || (_b.toAnnouncementGroup = false);
if (!Array.isArray(message.poll.values)) {
throw new Boom('Invalid poll values', { statusCode: 400 });
}
if (message.poll.selectableCount < 0 || message.poll.selectableCount > message.poll.values.length) {
throw new Boom(`poll.selectableCount in poll should be >= 0 and <= ${message.poll.values.length}`, {
statusCode: 400
});
}
m.messageContextInfo = {
// encKey
messageSecret: message.poll.messageSecret || randomBytes(32)
};
const pollCreationMessage = {
name: message.poll.name,
selectableOptionsCount: message.poll.selectableCount,
options: message.poll.values.map(optionName => ({ optionName }))
};
if (message.poll.toAnnouncementGroup) {
// poll v2 is for community announcement groups (single select and multiple)
m.pollCreationMessageV2 = pollCreationMessage;
}
else {
if (message.poll.selectableCount === 1) {
//poll v3 is for single select polls
m.pollCreationMessageV3 = pollCreationMessage;
}
else {
// poll for multiple choice polls
m.pollCreationMessage = pollCreationMessage;
}
}
}
else if ('sharePhoneNumber' in message) {
m.protocolMessage = {
type: proto.Message.ProtocolMessage.Type.SHARE_PHONE_NUMBER
};
}
else if ('requestPhoneNumber' in message) {
m.requestPhoneNumberMessage = {};
}
else if ('limitSharing' in message) {
m.protocolMessage = {
type: proto.Message.ProtocolMessage.Type.LIMIT_SHARING,
limitSharing: {
sharingLimited: message.limitSharing === true,
trigger: 1,
limitSharingSettingTimestamp: Date.now(),
initiatedByMe: true
}
};
}
else {
m = await prepareWAMessageMedia(message, options);
}
if ('viewOnce' in message && !!message.viewOnce) {
m = { viewOnceMessage: { message: m } };
}
if ('mentions' in message && message.mentions?.length) {
const messageType = Object.keys(m)[0];
const key = m[messageType];
if ('contextInfo' in key && !!key.contextInfo) {
key.contextInfo.mentionedJid = message.mentions;
}
else if (key) {
key.contextInfo = {
mentionedJid: message.mentions
};
}
}
if ('edit' in message) {
m = {
protocolMessage: {
key: message.edit,
editedMessage: m,
timestampMs: Date.now(),
type: WAProto.Message.ProtocolMessage.Type.MESSAGE_EDIT
}
};
}
if ('contextInfo' in message && !!message.contextInfo) {
const messageType = Object.keys(m)[0];
const key = m[messageType];
if ('contextInfo' in key && !!key.contextInfo) {
key.contextInfo = { ...key.contextInfo, ...message.contextInfo };
}
else if (key) {
key.contextInfo = message.contextInfo;
}
}
return WAProto.Message.create(m);
};
export const generateWAMessageFromContent = (jid, message, options) => {
// set timestamp to now
// if not specified
if (!options.timestamp) {
options.timestamp = new Date();
}
const innerMessage = normalizeMessageContent(message);
const key = getContentType(innerMessage);
const timestamp = unixTimestampSeconds(options.timestamp);
const { quoted, userJid } = options;
if (quoted && !isJidNewsletter(jid)) {
const participant = quoted.key.fromMe
? userJid // TODO: Add support for LIDs
: quoted.participant || quoted.key.participant || quoted.key.remoteJid;
let quotedMsg = normalizeMessageContent(quoted.message);
const msgType = getContentType(quotedMsg);
// strip any redundant properties
quotedMsg = proto.Message.create({ [msgType]: quotedMsg[msgType] });
const quotedContent = quotedMsg[msgType];
if (typeof quotedContent === 'object' && quotedContent && 'contextInfo' in quotedContent) {
delete quotedContent.contextInfo;
}
const contextInfo = ('contextInfo' in innerMessage[key] && innerMessage[key]?.contextInfo) || {};
contextInfo.participant = jidNormalizedUser(participant);
contextInfo.stanzaId = quoted.key.id;
contextInfo.quotedMessage = quotedMsg;
// if a participant is quoted, then it must be a group
// hence, remoteJid of group must also be entered
if (jid !== quoted.key.remoteJid) {
contextInfo.remoteJid = quoted.key.remoteJid;
}
if (contextInfo && innerMessage[key]) {
/* @ts-ignore */
innerMessage[key].contextInfo = contextInfo;
}
}
if (
// if we want to send a disappearing message
!!options?.ephemeralExpiration &&
// and it's not a protocol message -- delete, toggle disappear message
key !== 'protocolMessage' &&
// already not converted to disappearing message
key !== 'ephemeralMessage' &&
// newsletters don't support ephemeral messages
!isJidNewsletter(jid)) {
/* @ts-ignore */
innerMessage[key].contextInfo = {
...(innerMessage[key].contextInfo || {}),
expiration: options.ephemeralExpiration || WA_DEFAULT_EPHEMERAL
//ephemeralSettingTimestamp: options.ephemeralOptions.eph_setting_ts?.toString()
};
}
message = WAProto.Message.create(message);
const messageJSON = {
key: {
remoteJid: jid,
fromMe: true,
id: options?.messageId || generateMessageIDV2()
},
message: message,
messageTimestamp: timestamp,
messageStubParameters: [],
participant: isJidGroup(jid) || isJidStatusBroadcast(jid) ? userJid : undefined, // TODO: Add support for LIDs
status: WAMessageStatus.PENDING
};
return WAProto.WebMessageInfo.fromObject(messageJSON);
};
export const generateWAMessage = async (jid, content, options) => {
// ensure msg ID is with every log
options.logger = options?.logger?.child({ msgId: options.messageId });
// Pass jid in the options to generateWAMessageContent
return generateWAMessageFromContent(jid, await generateWAMessageContent(content, { ...options, jid }), options);
};
/** Get the key to access the true type of content */
export const getContentType = (content) => {
if (content) {
const keys = Object.keys(content);
const key = keys.find(k => (k === 'conversation' || k.includes('Message')) && k !== 'senderKeyDistributionMessage');
return key;
}
};
/**
* Normalizes ephemeral, view once messages to regular message content
* Eg. image messages in ephemeral messages, in view once messages etc.
* @param content
* @returns
*/
export const normalizeMessageContent = (content) => {
if (!content) {
return undefined;
}
// set max iterations to prevent an infinite loop
for (let i = 0; i < 5; i++) {
const inner = getFutureProofMessage(content);
if (!inner) {
break;
}
content = inner.message;
}
return content;
function getFutureProofMessage(message) {
return (message?.ephemeralMessage ||
message?.viewOnceMessage ||
message?.documentWithCaptionMessage ||
message?.viewOnceMessageV2 ||
message?.viewOnceMessageV2Extension ||
message?.editedMessage);
}
};
/**
* Extract the true message content from a message
* Eg. extracts the inner message from a disappearing message/view once message
*/
export const extractMessageContent = (content) => {
const extractFromTemplateMessage = (msg) => {
if (msg.imageMessage) {
return { imageMessage: msg.imageMessage };
}
else if (msg.documentMessage) {
return { documentMessage: msg.documentMessage };
}
else if (msg.videoMessage) {
return { videoMessage: msg.videoMessage };
}
else if (msg.locationMessage) {
return { locationMessage: msg.locationMessage };
}
else {
return {
conversation: 'contentText' in msg ? msg.contentText : 'hydratedContentText' in msg ? msg.hydratedContentText : ''
};
}
};
content = normalizeMessageContent(content);
if (content?.buttonsMessage) {
return extractFromTemplateMessage(content.buttonsMessage);
}
if (content?.templateMessage?.hydratedFourRowTemplate) {
return extractFromTemplateMessage(content?.templateMessage?.hydratedFourRowTemplate);
}
if (content?.templateMessage?.hydratedTemplate) {
return extractFromTemplateMessage(content?.templateMessage?.hydratedTemplate);
}
if (content?.templateMessage?.fourRowTemplate) {
return extractFromTemplateMessage(content?.templateMessage?.fourRowTemplate);
}
return content;
};
/**
* Returns the device predicted by message ID
*/
export const getDevice = (id) => /^3A.{18}$/.test(id)
? 'ios'
: /^3E.{20}$/.test(id)
? 'web'
: /^(.{21}|.{32})$/.test(id)
? 'android'
: /^(3F|.{18}$)/.test(id)
? 'desktop'
: 'unknown';
/** Upserts a receipt in the message */
export const updateMessageWithReceipt = (msg, receipt) => {
msg.userReceipt = msg.userReceipt || [];
const recp = msg.userReceipt.find(m => m.userJid === receipt.userJid);
if (recp) {
Object.assign(recp, receipt);
}
else {
msg.userReceipt.push(receipt);
}
};
/** Update the message with a new reaction */
export const updateMessageWithReaction = (msg, reaction) => {
const authorID = getKeyAuthor(reaction.key);
const reactions = (msg.reactions || []).filter(r => getKeyAuthor(r.key) !== authorID);
reaction.text = reaction.text || '';
reactions.push(reaction);
msg.reactions = reactions;
};
/** Update the message with a new poll update */
export const updateMessageWithPollUpdate = (msg, update) => {
const authorID = getKeyAuthor(update.pollUpdateMessageKey);
const reactions = (msg.pollUpdates || []).filter(r => getKeyAuthor(r.pollUpdateMessageKey) !== authorID);
if (update.vote?.selectedOptions?.length) {
reactions.push(update);
}
msg.pollUpdates = reactions;
};
/**
* Aggregates all poll updates in a poll.
* @param msg the poll creation message
* @param meId your jid
* @returns A list of options & their voters
*/
export function getAggregateVotesInPollMessage({ message, pollUpdates }, meId) {
const opts = message?.pollCreationMessage?.options ||
message?.pollCreationMessageV2?.options ||
message?.pollCreationMessageV3?.options ||
[];
const voteHashMap = opts.reduce((acc, opt) => {
const hash = sha256(Buffer.from(opt.optionName || '')).toString();
acc[hash] = {
name: opt.optionName || '',
voters: []
};
return acc;
}, {});
for (const update of pollUpdates || []) {
const { vote } = update;
if (!vote) {
continue;
}
for (const option of vote.selectedOptions || []) {
const hash = option.toString();
let data = voteHashMap[hash];
if (!data) {
voteHashMap[hash] = {
name: 'Unknown',
voters: []
};
data = voteHashMap[hash];
}
voteHashMap[hash].voters.push(getKeyAuthor(update.pollUpdateMessageKey, meId));
}
}
return Object.values(voteHashMap);
}
/** Given a list of message keys, aggregates them by chat & sender. Useful for sending read receipts in bulk */
export const aggregateMessageKeysNotFromMe = (keys) => {
const keyMap = {};
for (const { remoteJid, id, participant, fromMe } of keys) {
if (!fromMe) {
const uqKey = `${remoteJid}:${participant || ''}`;
if (!keyMap[uqKey]) {
keyMap[uqKey] = {
jid: remoteJid,
participant: participant,
messageIds: []
};
}
keyMap[uqKey].messageIds.push(id);
}
}
return Object.values(keyMap);
};
const REUPLOAD_REQUIRED_STATUS = [410, 404];
/**
* Downloads the given message. Throws an error if it's not a media message
*/
export const downloadMediaMessage = async (message, type, options, ctx) => {
const result = await downloadMsg().catch(async (error) => {
if (ctx &&
typeof error?.status === 'number' && // treat errors with status as HTTP failures requiring reupload
REUPLOAD_REQUIRED_STATUS.includes(error.status)) {
ctx.logger.info({ key: message.key }, 'sending reupload media request...');
// request reupload
message = await ctx.reuploadRequest(message);
const result = await downloadMsg();
return result;
}
throw error;
});
return result;
async function downloadMsg() {
const mContent = extractMessageContent(message.message);
if (!mContent) {
throw new Boom('No message present', { statusCode: 400, data: message });
}
const contentType = getContentType(mContent);
let mediaType = contentType?.replace('Message', '');
const media = mContent[contentType];
if (!media || typeof media !== 'object' || (!('url' in media) && !('thumbnailDirectPath' in media))) {
throw new Boom(`"${contentType}" message is not a media message`);
}
let download;
if ('thumbnailDirectPath' in media && !('url' in media)) {
download = {
directPath: media.thumbnailDirectPath,
mediaKey: media.mediaKey
};
mediaType = 'thumbnail-link';
}
else {
download = media;
}
const stream = await downloadContentFromMessage(download, mediaType, options);
if (type === 'buffer') {
const bufferArray = [];
for await (const chunk of stream) {
bufferArray.push(chunk);
}
return Buffer.concat(bufferArray);
}
return stream;
}
};
/** Checks whether the given message is a media message; if it is returns the inner content */
export const assertMediaContent = (content) => {
content = extractMessageContent(content);
const mediaContent = content?.documentMessage ||
content?.imageMessage ||
content?.videoMessage ||
content?.audioMessage ||
content?.stickerMessage;
if (!mediaContent) {
throw new Boom('given message is not a media message', { statusCode: 400, data: content });
}
return mediaContent;
};
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