@vreden/meta
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Baileys is a lightweight JavaScript library for interacting with the WhatsApp Web API using WebSocket.
300 lines (288 loc) • 14.2 kB
JavaScript
Object.defineProperty(exports, "__esModule", { value: true })
const boom_1 = require("@hapi/boom")
const WAProto_1 = require("../../WAProto")
const WABinary_1 = require("../WABinary")
const generics_1 = require("./generics")
const messages_1 = require("./messages")
const NO_MESSAGE_FOUND_ERROR_TEXT = 'Message absent from node'
const MISSING_KEYS_ERROR_TEXT = 'Key used already or never filled'
const DECRYPTION_RETRY_CONFIG = {
maxRetries: 3,
baseDelayMs: 100,
sessionRecordErrors: ['No session record', 'SessionError: No session record']
}
const NACK_REASONS = {
ParsingError: 487,
UnrecognizedStanza: 488,
UnrecognizedStanzaClass: 489,
UnrecognizedStanzaType: 490,
InvalidProtobuf: 491,
InvalidHostedCompanionStanza: 493,
MissingMessageSecret: 495,
SignalErrorOldCounter: 496,
MessageDeletedOnPeer: 499,
UnhandledError: 500,
UnsupportedAdminRevoke: 550,
UnsupportedLIDGroup: 551,
DBOperationFailed: 552
}
function getTypeMessage(message) {
const type = Object.keys(message)
const restype = (!['senderKeyDistributionMessage', 'messageContextInfo'].includes(type[0]) && type[0]) || (type.length >= 3 && type[1] !== 'messageContextInfo' && type[1]) || type[type.length - 1] || Object.keys(message)[0]
return restype
}
function decodeMessageNode(stanza, meId, meLid) {
let msg_type
let chat_id
let author
const msgId = stanza.attrs.id
const from = stanza.attrs.from
const participant = stanza.attrs.addressing_mode === "lid" ? stanza.attrs.participant_pn : stanza.attrs.addressing_mode === "pn" ? stanza.attrs.participant : from;
const participant_lid = stanza.attrs.addressing_mode === "lid" ? stanza.attrs.participant : stanza.attrs.addressing_mode === "pn" ? stanza.attrs.participant_lid : stanza.attrs.sender_lid;
const recipient = stanza.attrs.recipient
const isMe = (jid) => WABinary_1.areJidsSameUser(jid, meId)
const isMeLid = (jid) => WABinary_1.areJidsSameUser(jid, meLid)
if (WABinary_1.isJidUser(from)) {
if (recipient) {
if (!isMe(from)) {
throw new boom_1.Boom('receipient present, but msg not from me', { data: stanza })
}
chat_id = recipient
}
else {
chat_id = from
}
msg_type = 'chat'
author = from
} else if (WABinary_1.isLidUser(from)) {
if (recipient) {
if (!isMeLid(from)) {
throw new boom_1.Boom('receipient present, but msg not from me', { data: stanza })
}
chat_id = recipient
}
else {
chat_id = from
}
msg_type = 'chat'
author = from
} else if (WABinary_1.isJidGroup(from)) {
if (!participant) {
throw new boom_1.Boom('No participant in group message')
}
msg_type = 'group'
author = participant
chat_id = from
} else if (WABinary_1.isJidBroadcast(from)) {
if (!participant) {
throw new boom_1.Boom('No participant in group message')
}
const isParticipantMe = isMe(participant)
if (WABinary_1.isJidStatusBroadcast(from)) {
msg_type = isParticipantMe ? 'direct_peer_status' : 'other_status'
}
else {
msg_type = isParticipantMe ? 'peer_broadcast' : 'other_broadcast'
}
chat_id = from
author = participant
} else if (WABinary_1.isJidNewsletter(from)) {
msg_type = 'newsletter'
chat_id = from
author = from
} else {
throw new boom_1.Boom('Unknown message type', { data: stanza })
}
const fromMe = WABinary_1.isJidNewsletter(from) ? !!stanza.attrs?.is_sender : WABinary_1.isLidUser(from) ? isMeLid(participant || stanza.attrs.from) : isMe(participant || stanza.attrs.from)
const pushname = stanza?.attrs?.notify
const key = {
remoteJid: chat_id,
fromMe,
id: msgId,
participant: WABinary_1.jidNormalizedUser(participant),
participant_lid: WABinary_1.jidNormalizedUser(participant_lid),
}
const fullMessage = {
key,
messageTimestamp: +stanza.attrs.t,
pushName: pushname,
broadcast: WABinary_1.isJidBroadcast(from),
newsletter: WABinary_1.isJidNewsletter(from)
}
if (msg_type === 'newsletter') {
fullMessage.newsletter_server_id = +stanza.attrs?.server_id
}
if (key.fromMe) {
fullMessage.status = WAProto_1.proto.WebMessageInfo.Status.SERVER_ACK
}
if (!key.fromMe) {
fullMessage.platform = messages_1.getDevice(key.id)
}
return {
fullMessage,
author,
sender: msg_type === 'chat' ? author : chat_id
}
}
const decryptMessageNode = (stanza, meId, meLid, repository, logger) => {
const { fullMessage, author, sender } = decodeMessageNode(stanza, meId, meLid)
return {
fullMessage,
category: stanza.attrs.category,
author,
async decrypt() {
let decryptables = 0
if (Array.isArray(stanza.content)) {
for (const { tag, attrs, content } of stanza.content) {
if (tag === 'verified_name' && content instanceof Uint8Array) {
const cert = WAProto_1.proto.VerifiedNameCertificate.decode(content)
const details = WAProto_1.proto.VerifiedNameCertificate.Details.decode(cert.details)
fullMessage.verifiedBizName = details.verifiedName
}
if (tag === 'unavailable' && attrs.type === 'view_once') {
fullMessage.key.isViewOnce = true;
}
if (tag !== 'enc' && tag !== 'plaintext') {
continue
}
if (!(content instanceof Uint8Array)) {
continue
}
decryptables += 1
let msgBuffer
const user = WABinary_1.isJidUser(sender) ? sender : author
try {
const e2eType = tag === 'plaintext' ? 'plaintext' : attrs.type
switch (e2eType) {
case 'skmsg':
msgBuffer = await repository.decryptGroupMessage({
group: sender,
authorJid: author,
msg: content
})
break
case 'pkmsg':
case 'msg':
msgBuffer = await repository.decryptMessage({
jid: user,
type: e2eType,
ciphertext: content
})
break
case 'plaintext':
msgBuffer = content
break
default:
throw new Error(`Unknown e2e type: ${e2eType}`)
}
let msg = WAProto_1.proto.Message.decode(e2eType !== 'plaintext' ? generics_1.unpadRandomMax16(msgBuffer) : msgBuffer)
msg = msg.deviceSentMessage?.message || msg
if (msg.senderKeyDistributionMessage) {
try {
await repository.processSenderKeyDistributionMessage({
authorJid: author,
item: msg.senderKeyDistributionMessage
})
} catch (err) {
logger.error({ key: fullMessage.key, err }, 'failed to decrypt message')
}
}
if (fullMessage.message) {
Object.assign(fullMessage.message, msg)
} else {
fullMessage.message = msg
}
if (WABinary_1.isJidGroup(sender)) {
const mtype = getTypeMessage(fullMessage.message)
const message = fullMessage.message?.[mtype]
const contextInfo = message?.contextInfo
const mentionedJid = contextInfo?.mentionedJid
const processMessageLIDs = async (msgObj, msgType) => {
if (!msgObj?.contextInfo) return false
const contextInfo = msgObj.contextInfo
const mentionedJid = contextInfo.mentionedJid
let needsUpdate = false
if (Array.isArray(mentionedJid) && mentionedJid.length > 0) {
const metadata = await global.groupMetadataCache(sender)
const updatedMentionedJid = []
for (const mentionedLid of mentionedJid) {
if (typeof mentionedLid === "string" && mentionedLid.endsWith('@lid')) {
const found = metadata.participants.find(p => p.lid === mentionedLid)
if (found) {
updatedMentionedJid.push(found.id)
if (msgObj.text) {
msgObj.text = msgObj.text.replace(new RegExp(`@${mentionedLid.split("@")[0]}`, "g"), `@${found.id.split("@")[0]}`);
} else if (msgObj.caption) {
msgObj.caption = msgObj.caption.replace(new RegExp(`@${mentionedLid.split("@")[0]}`, "g"), `@${found.id.split("@")[0]}`);
}
} else {
const lid = WABinary_1.jidNormalizedUser(mentionedLid)
const mentioned_jid = await repository.lidMapping.getPNForLID(mentionedLid)
if (mentioned_jid) {
const pn = WABinary_1.jidNormalizedUser(mentioned_jid)
await repository.lidMapping.storeLIDPNMappings([{ lid, pn }])
updatedMentionedJid.push(pn)
if (msgObj.text) {
msgObj.text = msgObj.text.replace(new RegExp(`@${mentionedLid.split("@")[0]}`, "g"), `@${pn.split("@")[0]}`);
} else if (msgObj.caption) {
msgObj.caption = msgObj.caption.replace(new RegExp(`@${mentionedLid.split("@")[0]}`, "g"), `@${pn.split("@")[0]}`);
}
} else {
updatedMentionedJid.push(mentionedLid)
}
}
needsUpdate = true
} else {
updatedMentionedJid.push(mentionedLid)
}
}
if (needsUpdate) {
msgObj.contextInfo.mentionedJid = updatedMentionedJid
}
}
return needsUpdate
}
const quotedMessage = contextInfo?.quotedMessage
if (quotedMessage) {
const quotedMtype = getTypeMessage(quotedMessage)
const quotedMsgObj = quotedMessage[quotedMtype]
if (quotedMsgObj?.contextInfo) {
await processMessageLIDs(quotedMsgObj, quotedMtype)
}
}
}
} catch (err) {
const errorContext = {
key: fullMessage.key,
err,
messageType: tag === 'plaintext' ? 'plaintext' : attrs.type,
sender,
author,
isSessionRecordError: isSessionRecordError(err)
}
logger.error(errorContext, 'failed to process sender key distribution message')
fullMessage.messageStubType = WAProto_1.proto.WebMessageInfo.StubType.CIPHERTEXT
fullMessage.messageStubParameters = [err.message.toString()]
}
}
}
if (!decryptables) {
fullMessage.messageStubType = WAProto_1.proto.WebMessageInfo.StubType.CIPHERTEXT
fullMessage.messageStubParameters = [NO_MESSAGE_FOUND_ERROR_TEXT]
}
}
}
}
function isSessionRecordError(error) {
const errorMessage = error?.message || error?.toString() || ''
return DECRYPTION_RETRY_CONFIG.sessionRecordErrors.some(errorPattern => errorMessage.includes(errorPattern))
}
module.exports = {
NACK_REASONS,
decodeMessageNode,
decryptMessageNode,
MISSING_KEYS_ERROR_TEXT,
DECRYPTION_RETRY_CONFIG,
NO_MESSAGE_FOUND_ERROR_TEXT
}