neroxbailx/lib/Socket/messages-recv.js

baileys whatsapp-api

"use strict"
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod }
}
Object.defineProperty(exports, "__esModule", { value: true })
const node_cache_1 = __importDefault(require("@cacheable/node-cache"))
const boom_1 = require("@hapi/boom")
const crypto_1 = require("crypto")
const WAProto_1 = require("../../WAProto")
const Defaults_1 = require("../Defaults")
const Types_1 = require("../Types")
const Utils_1 = require("../Utils")
const make_mutex_1 = require("../Utils/make-mutex")
const WABinary_1 = require("../WABinary")
const groups_1 = require("./groups")
const messages_send_1 = require("./messages-send")
const makeMessagesRecvSocket = (config) => {
const { logger, retryRequestDelayMs, maxMsgRetryCount, getMessage, shouldIgnoreJid } = config
const sock = messages_send_1.makeMessagesSocket(config)
const { ev, authState, ws, processingMutex, signalRepository, query, upsertMessage, resyncAppState, onUnexpectedError, assertSessions, sendNode, relayMessage, sendReceipt, uploadPreKeys, getUSyncDevices, createParticipantNodes, sendPeerDataOperationMessage } = sock
/** this mutex ensures that each retryRequest will wait for the previous one to finish */
const retryMutex = make_mutex_1.makeMutex()
const msgRetryCache = config.msgRetryCounterCache || new node_cache_1.default({
stdTTL: Defaults_1.DEFAULT_CACHE_TTLS.MSG_RETRY,
useClones: false
})
const callOfferCache = config.callOfferCache || new node_cache_1.default({
stdTTL: Defaults_1.DEFAULT_CACHE_TTLS.CALL_OFFER,
useClones: false
})
const placeholderResendCache = config.placeholderResendCache || new node_cache_1.default({
stdTTL: Defaults_1.DEFAULT_CACHE_TTLS.MSG_RETRY,
useClones: false
})
let sendActiveReceipts = false
const sendMessageAck = async ({ tag, attrs, content }, errorCode) => {
const stanza = {
tag: 'ack',
attrs: {
id: attrs.id,
to: attrs.from,
class: tag
}
}
if (!!errorCode) {
stanza.attrs.error = errorCode.toString()
}
if (!!attrs.participant) {
stanza.attrs.participant = attrs.participant
}
if (!!attrs.recipient) {
stanza.attrs.recipient = attrs.recipient
}
if (!!attrs.type && (tag !== 'message' || WABinary_1.getBinaryNodeChild({ tag, attrs, content }, 'unavailable') || errorCode !== 0)) {
stanza.attrs.type = attrs.type
}
if (tag === 'message' && WABinary_1.getBinaryNodeChild({ tag, attrs, content }, 'unavailable')) {
stanza.attrs.from = authState.creds.me.id
}
logger.debug({ recv: { tag, attrs }, sent: stanza.attrs }, 'sent ack')
await sendNode(stanza)
}
const offerCall = async (toJid, isVideo = false) => {
const callId = crypto_1.randomBytes(16).toString('hex').toUpperCase().substring(0, 64)
const offerContent = []
offerContent.push({ tag: 'audio', attrs: { enc: 'opus', rate: '16000' }, content: undefined })
offerContent.push({ tag: 'audio', attrs: { enc: 'opus', rate: '8000' }, content: undefined })
if (isVideo) {
offerContent.push({
tag: 'video',
attrs: { enc: 'vp8', dec: 'vp8', orientation: '0', 'screen_width': '1920', 'screen_height': '1080', 'device_orientation': '0' },
content: undefined
})
}
offerContent.push({ tag: 'net', attrs: { medium: '3' }, content: undefined })
offerContent.push({ tag: 'capability', attrs: { ver: '1' }, content: new Uint8Array([1, 4, 255, 131, 207, 4]) })
offerContent.push({ tag: 'encopt', attrs: { keygen: '2' }, content: undefined })
const encKey = crypto_1.randomBytes(32)
const devices = (await getUSyncDevices([toJid], true, false)).map(({ user, device }) => WABinary_1.jidEncode(user, 's.whatsapp.net', device))
await assertSessions(devices, true)
const { nodes: destinations, shouldIncludeDeviceIdentity } = await createParticipantNodes(devices, {
call: {
callKey: new Uint8Array(encKey)
}
}, { count: '0' })
offerContent.push({ tag: 'destination', attrs: {}, content: destinations })
if (shouldIncludeDeviceIdentity) {
offerContent.push({
tag: 'device-identity',
attrs: {},
content: Utils_1.encodeSignedDeviceIdentity(authState.creds.account, true)
})
}
const stanza = ({
tag: 'call',
attrs: {
id: Utils_1.generateMessageID(),
to: toJid,
},
content: [{
tag: 'offer',
attrs: {
'call-id': callId,
'call-creator': authState.creds.me.id,
},
content: offerContent,
}],
})
await query(stanza)
return {
id: callId,
to: toJid
}
}
const rejectCall = async (callId, callFrom) => {
const stanza = ({
tag: 'call',
attrs: {
from: authState.creds.me.id,
to: callFrom,
},
content: [{
tag: 'reject',
attrs: {
'call-id': callId,
'call-creator': callFrom,
count: '0',
},
content: undefined,
}],
})
await query(stanza)
}
const sendRetryRequest = async (node, forceIncludeKeys = false) => {
const { fullMessage } = Utils_1.decodeMessageNode(node, authState.creds.me.id, authState.creds.me.lid || '')
const { key: msgKey } = fullMessage
const msgId = msgKey.id
const key = `${msgId}:${msgKey?.participant}`
let retryCount = msgRetryCache.get(key) || 0
if (retryCount >= maxMsgRetryCount) {
logger.debug({ retryCount, msgId }, 'reached retry limit, clearing')
msgRetryCache.del(key)
return
}
retryCount += 1
msgRetryCache.set(key, retryCount)
const { account, signedPreKey, signedIdentityKey: identityKey } = authState.creds
if (retryCount === 1) {
//request a resend via phone
const msgId = await requestPlaceholderResend(msgKey)
logger.debug(`sendRetryRequest: requested placeholder resend for message ${msgId}`)
}
const deviceIdentity = Utils_1.encodeSignedDeviceIdentity(account, true)
await authState.keys.transaction(async () => {
const receipt = {
tag: 'receipt',
attrs: {
id: msgId,
type: 'retry',
to: node.attrs.from
},
content: [
{
tag: 'retry',
attrs: {
count: retryCount.toString(),
id: node.attrs.id,
t: node.attrs.t,
v: '1'
}
},
{
tag: 'registration',
attrs: {},
content: Utils_1.encodeBigEndian(authState.creds.registrationId)
}
]
}
if (node.attrs.recipient) {
receipt.attrs.recipient = node.attrs.recipient
}
if (node.attrs.participant) {
receipt.attrs.participant = node.attrs.participant
}
if (retryCount > 1 || forceIncludeKeys) {
const { update, preKeys } = await Utils_1.getNextPreKeys(authState, 1)
const [keyId] = Object.keys(preKeys)
const key = preKeys[+keyId]
const content = receipt.content
content.push({
tag: 'keys',
attrs: {},
content: [
{ tag: 'type', attrs: {}, content: Buffer.from(Defaults_1.KEY_BUNDLE_TYPE) },
{ tag: 'identity', attrs: {}, content: identityKey.public },
Utils_1.xmppPreKey(key, +keyId),
Utils_1.xmppSignedPreKey(signedPreKey),
{ tag: 'device-identity', attrs: {}, content: deviceIdentity }
]
})
ev.emit('creds.update', update)
}
await sendNode(receipt)
logger.info({ msgAttrs: node.attrs, retryCount }, 'sent retry receipt')
})
}
const handleEncryptNotification = async (node) => {
const from = node.attrs.from
if (from === WABinary_1.S_WHATSAPP_NET) {
const countChild = WABinary_1.getBinaryNodeChild(node, 'count')
const count = +countChild.attrs.value
const shouldUploadMorePreKeys = count < Defaults_1.MIN_PREKEY_COUNT
logger.debug({ count, shouldUploadMorePreKeys }, 'recv pre-key count')
if (shouldUploadMorePreKeys) {
await uploadPreKeys()
}
}
else {
const identityNode = WABinary_1.getBinaryNodeChild(node, 'identity')
if (identityNode) {
logger.info({ jid: from }, 'identity changed')
// not handling right now
// signal will override new identity anyway
}
else {
logger.info({ node }, 'unknown encrypt notification')
}
}
}
const handleGroupNotification = (participant, child, msg, mode) => {
const participantJid = mode === 'lid' ? WABinary_1.getBinaryNodeChild(child, 'participant')?.attrs?.phone_number : WABinary_1.getBinaryNodeChild(child, 'participant')?.attrs?.jid || participant
switch (child.tag) {
case 'create':
const metadata = groups_1.extractGroupMetadata(child)
msg.messageStubType = Types_1.WAMessageStubType.GROUP_CREATE
msg.messageStubParameters = [metadata.subject]
msg.key = { participant: metadata.owner }
ev.emit('chats.upsert', [{
id: metadata.id,
name: metadata.subject,
conversationTimestamp: metadata.creation,
}])
ev.emit('groups.upsert', [{
...metadata,
author: participant
}])
break
case 'delete':
msg.messageStubType = Types_1.WAMessageStubType.COMMUNITY_PARENT_GROUP_DELETED
msg.messageStubParameters = [participantJid, 'delete']
break
case 'ephemeral':
case 'not_ephemeral':
msg.message = {
protocolMessage: {
type: WAProto_1.proto.Message.ProtocolMessage.Type.EPHEMERAL_SETTING,
ephemeralExpiration: +(child.attrs.expiration || 0)
}
}
break
case 'modify':
const oldNumber = mode === 'lid' ? WABinary_1.getBinaryNodeChildren(child, 'participant').map(p => p.attrs.phone_number) : WABinary_1.getBinaryNodeChildren(child, 'participant').map(p => p.attrs.jid)
msg.messageStubParameters = oldNumber || []
msg.messageStubType = Types_1.WAMessageStubType.GROUP_PARTICIPANT_CHANGE_NUMBER
break
case 'promote':
case 'demote':
case 'remove':
case 'add':
case 'leave':
let stubType = `GROUP_PARTICIPANT_${child.tag.toUpperCase()}`
if (child.attrs?.reason === 'linked_group_join') {
stubType = GROUP_PARTICIPANT_LINKED_GROUP_JOIN
}
msg.messageStubType = Types_1.WAMessageStubType[stubType]
const participants =  mode === 'lid' ? WABinary_1.getBinaryNodeChildren(child, 'participant').map(p => p.attrs.phone_number) : WABinary_1.getBinaryNodeChildren(child, 'participant').map(p => p.attrs.jid)
if (participants.length === 1 &&
// if recv. "remove" message and sender removed themselves
// mark as left
WABinary_1.areJidsSameUser(participants[0], participant) &&
child.tag === 'remove') {
msg.messageStubType = Types_1.WAMessageStubType.GROUP_PARTICIPANT_LEAVE
}
msg.messageStubParameters = participants
break
case 'subject':
msg.messageStubType = Types_1.WAMessageStubType.GROUP_CHANGE_SUBJECT
msg.messageStubParameters = [participantJid, child.attrs.subject]
break
case 'description':
const description = WABinary_1.getBinaryNodeChild(child, 'body')?.content?.toString()
msg.messageStubType = Types_1.WAMessageStubType.GROUP_CHANGE_DESCRIPTION
msg.messageStubParameters = description ? [description] : undefined
break
case 'announcement':
case 'not_announcement':
msg.messageStubType = Types_1.WAMessageStubType.GROUP_CHANGE_ANNOUNCE
msg.messageStubParameters = [(child.tag === 'announcement') ? 'on' : 'off']
break
case 'locked':
case 'unlocked':
msg.messageStubType = Types_1.WAMessageStubType.GROUP_CHANGE_RESTRICT
msg.messageStubParameters = [(child.tag === 'locked') ? 'on' : 'off']
break
case 'invite':
msg.messageStubType = Types_1.WAMessageStubType.GROUP_CHANGE_INVITE_LINK
msg.messageStubParameters = [child.attrs.code]
break
case 'member_add_mode':
const addMode = child.content
if (addMode) {
msg.messageStubType = Types_1.WAMessageStubType.GROUP_MEMBER_ADD_MODE
msg.messageStubParameters = [addMode.toString()]
}
break
case 'membership_approval_mode':
const approvalMode = WABinary_1.getBinaryNodeChild(child, 'group_join')
if (approvalMode) {
msg.messageStubType = Types_1.WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_MODE
msg.messageStubParameters = [approvalMode.attrs.state]
}
break
case 'created_membership_requests':
msg.messageStubType = Types_1.WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_REQUEST_NON_ADMIN_ADD
msg.messageStubParameters = [participantJid, 'created', child.attrs.request_method]
break
case 'revoked_membership_requests':
const isDenied = WABinary_1.areJidsSameUser(participantJid, participant)
msg.messageStubType = Types_1.WAMessageStubType.GROUP_MEMBERSHIP_JOIN_APPROVAL_REQUEST_NON_ADMIN_ADD
msg.messageStubParameters = [participantJid, isDenied ? 'revoked' : 'rejected']
break
case 'link':
case 'unlink':
const type = child.attrs?.unlink_type || child.attrs?.link_type
const stubMap = {
parent_group: Types_1.WAMessageStubType[`COMMUNITY_${child.tag.toUpperCase()}_PARENT_GROUP`],
sibling_group: Types_1.WAMessageStubType[`COMMUNITY_${child.tag.toUpperCase()}_SIBLING_GROUP`],
sub_group: Types_1.WAMessageStubType[`COMMUNITY_${child.tag.toUpperCase()}_SUB_GROUP`]
}
const groups = WABinary_1.getBinaryNodeChildren(child, 'group')
.map(g => g.attrs?.jid || g.attrs?.subject || '')
.filter(x => x)
msg.messageStubType = stubMap?.[type] || Types_1.WAMessageStubType[`COMMUNITY_${child.tag.toUpperCase()}_PARENT_GROUP`]
msg.messageStubParameters = [participantJid, child.tag, groups]
break
case 'linked_group_promote':
case 'linked_group_demote':
const stubtype = `COMMUNITY_PARTICIPANT_${child.tag.split('_')[2].toUpperCase()}`
const participantS =  mode === 'lid' ? WABinary_1.getBinaryNodeChildren(child, 'participant').map(p => p.attrs.phone_number) : WABinary_1.getBinaryNodeChildren(child, 'participant').map(p => p.attrs.jid)
msg.messageStubType = Types_1.WAMessageStubType[stubtype]
msg.messageStubParameters = participantS
break
case 'created_sub_group_suggestion':    
msg.messageStubType = Types_1.WAMessageStubType.SUGGESTED_SUBGROUP_ANNOUNCE
msg.messageStubParameters = [participantJid, 'add']
break
case 'revoked_sub_group_suggestions':
const res = WABinary_1.getBinaryNodeChildren(child, 'sub_group_suggestions')
const reason = res.attrs?.reason 
if (reason === 'approved') msg.messageStubType = Types_1.WAMessageStubType.GROUP_CREATE
else msg.messageStubType = Types_1.WAMessageStubType.GENERIC_NOTIFICATION
msg.messageStubParameters = [participantJid, reason]
break
default:
logger.warn(child.tag, 'Unhandled group node') 
break
}
}
const handleNewsletterNotification = (id, node) => {
const messages = WABinary_1.getBinaryNodeChild(node, 'messages')
const message = WABinary_1.getBinaryNodeChild(node, 'message')
const serverId = node.attrs.server_id
const reactionsList = WABinary_1.getBinaryNodeChild(node, 'reactions')
const viewsList = WABinary_1.getBinaryNodeChild(node, 'views_count')
if (reactionsList) {
const reactions = WABinary_1.getBinaryNodeChild(reactionsList, 'reaction')
if (reactions.length === 0) {
ev.emit('newsletter.reaction', {
id,
newsletter_server_id: serverId,
reaction: {
removed: true
}
})
}
reactions.forEach(item => {
ev.emit('newsletter.reaction', {
id,
newsletter_server_id: serverId,
reaction: {
code: item.attrs?.code,
count: +item.attrs.count
}
})
})
}
if (viewsList.length) {
viewsList.forEach(item => {
ev.emit('newsletter.view', {
id,
newsletter_server_id: serverId,
count: +item.attrs.count
})
})
}
}
const handleMexNewsletterNotification = (id, node) => {
const operation = node?.attrs?.op_name
const content = JSON.parse(node?.attrs?.content) 
let contentPath
if (operation === Types_1.MexOperations.UPDATE) {
contentPath = content.data[Types_1.XWAPaths.METADATA_UPDATE]
ev.emit('newsletter-settings.update', {
id, 
update: contentPath.thread_metadata.settings
}) 
} else {
let action
if (operation === Types_1.MexOperations.PROMOTE) {
action = 'promote'
contentPath.data[Types_1.XWAPaths.PROMOTE]
} else {
action = 'demote'
contentPath.data[Types_1.XWAPaths.DEMOTE]
}
ev.emit('newsletter-participants.update', {
id, 
author: contentPath.actor.pn, 
user: contentPath.user.pn, 
new_role: contentPath.user_new_role, 
action
}) 
}
}
const processNotification = async (node) => {
const result = {}
const [child] = WABinary_1.getAllBinaryNodeChildren(node)
const nodeType = node.attrs.type
const from = WABinary_1.jidNormalizedUser(node.attrs.from)
switch (nodeType) {
case 'privacy_token':
const tokenList = WABinary_1.getBinaryNodeChildren(child, 'token')
for (const { attrs, content } of tokenList) {
const jid = attrs.jid
ev.emit('chats.update', [
{
id: jid,
tcToken: content
}
])
logger.debug({ jid }, 'got privacy token update')
}
break
case 'w:gp2':
const mode = node.attrs.addressing_mode
handleGroupNotification(mode === 'lid' ? node.attrs.participant_pn : node.attrs.participant, child, result, mode)
break
case 'newsletter':
handleNewsletterNotification(node.attrs.from, child) 
break
case 'mex':
handleMexNewsletterNotification(node.attrs.from, child) 
break
case 'mediaretry':
const event = Utils_1.decodeMediaRetryNode(node)
ev.emit('messages.media-update', [event])
break
case 'encrypt':
await handleEncryptNotification(node)
break
case 'devices':
const devices = WABinary_1.getBinaryNodeChildren(child, 'device')
if (WABinary_1.areJidsSameUser(child.attrs.jid, authState.creds.me.id)) {
const deviceJids = devices.map(d => d.attrs.jid)
logger.info({ deviceJids }, 'got my own devices')
}
break
case 'server_sync':
const update = WABinary_1.getBinaryNodeChild(node, 'collection')
if (update) {
const name = update.attrs.name
await resyncAppState([name], false)
}
break
case 'picture':
const setPicture = WABinary_1.getBinaryNodeChild(node, 'set')
const delPicture = WABinary_1.getBinaryNodeChild(node, 'delete')
ev.emit('contacts.update', [{
id: WABinary_1.jidNormalizedUser(node?.attrs?.from) || (setPicture || delPicture)?.attrs?.hash || '',
imgUrl: setPicture ? 'changed' : 'removed'
}])
if (WABinary_1.isJidGroup(from)) {
const node = setPicture || delPicture
result.messageStubType = Types_1.WAMessageStubType.GROUP_CHANGE_ICON
if (setPicture) {
result.messageStubParameters = [setPicture.attrs.id]
}
result.participant = node?.attrs?.author
result.key = {
...result.key || {},
participant: setPicture?.attrs?.author
}
}
break
case 'account_sync':
if (child.tag === 'disappearing_mode') {
const newDuration = +child.attrs.duration
const timestamp = +child.attrs.t
logger.info({ newDuration }, 'updated account disappearing mode')
ev.emit('creds.update', {
accountSettings: {
...authState.creds.accountSettings,
defaultDisappearingMode: {
ephemeralExpiration: newDuration,
ephemeralSettingTimestamp: timestamp,
},
}
})
}
else if (child.tag === 'blocklist') {
const blocklists = WABinary_1.getBinaryNodeChildren(child, 'item')
for (const { attrs } of blocklists) {
const blocklist = [attrs.jid]
const type = (attrs.action === 'block') ? 'add' : 'remove'
ev.emit('blocklist.update', { blocklist, type })
}
}
break
case 'link_code_companion_reg':
const linkCodeCompanionReg = WABinary_1.getBinaryNodeChild(node, 'link_code_companion_reg')
const ref = toRequiredBuffer(WABinary_1.getBinaryNodeChildBuffer(linkCodeCompanionReg, 'link_code_pairing_ref'))
const primaryIdentityPublicKey = toRequiredBuffer(WABinary_1.getBinaryNodeChildBuffer(linkCodeCompanionReg, 'primary_identity_pub'))
const primaryEphemeralPublicKeyWrapped = toRequiredBuffer(WABinary_1.getBinaryNodeChildBuffer(linkCodeCompanionReg, 'link_code_pairing_wrapped_primary_ephemeral_pub'))
const codePairingPublicKey = await decipherLinkPublicKey(primaryEphemeralPublicKeyWrapped)
const companionSharedKey = Utils_1.Curve.sharedKey(authState.creds.pairingEphemeralKeyPair.private, codePairingPublicKey)
const random = crypto_1.randomBytes(32)
const linkCodeSalt = crypto_1.randomBytes(32)
const linkCodePairingExpanded = await Utils_1.hkdf(companionSharedKey, 32, {
salt: linkCodeSalt,
info: 'link_code_pairing_key_bundle_encryption_key'
})
const encryptPayload = Buffer.concat([Buffer.from(authState.creds.signedIdentityKey.public), primaryIdentityPublicKey, random])
const encryptIv = crypto_1.randomBytes(12)
const encrypted = Utils_1.aesEncryptGCM(encryptPayload, linkCodePairingExpanded, encryptIv, Buffer.alloc(0))
const encryptedPayload = Buffer.concat([linkCodeSalt, encryptIv, encrypted])
const identitySharedKey = Utils_1.Curve.sharedKey(authState.creds.signedIdentityKey.private, primaryIdentityPublicKey)
const identityPayload = Buffer.concat([companionSharedKey, identitySharedKey, random])
authState.creds.advSecretKey = (await Utils_1.hkdf(identityPayload, 32, { info: 'adv_secret' })).toString('base64')
await query({
tag: 'iq',
attrs: {
to: WABinary_1.S_WHATSAPP_NET,
type: 'set',
id: sock.generateMessageTag(),
xmlns: 'md'
},
content: [
{
tag: 'link_code_companion_reg',
attrs: {
jid: authState.creds.me.id,
stage: 'companion_finish',
},
content: [
{
tag: 'link_code_pairing_wrapped_key_bundle',
attrs: {},
content: encryptedPayload
},
{
tag: 'companion_identity_public',
attrs: {},
content: authState.creds.signedIdentityKey.public
},
{
tag: 'link_code_pairing_ref',
attrs: {},
content: ref
}
]
}
]
})
authState.creds.registered = true
ev.emit('creds.update', authState.creds)
}
if (Object.keys(result).length) {
return result
}
}
async function decipherLinkPublicKey(data) {
const buffer = toRequiredBuffer(data)
const salt = buffer.slice(0, 32)
const secretKey = await Utils_1.derivePairingCodeKey(authState.creds.pairingCode, salt)
const iv = buffer.slice(32, 48)
const payload = buffer.slice(48, 80)
return Utils_1.aesDecryptCTR(payload, secretKey, iv)
}
function toRequiredBuffer(data) {
if (data === undefined) {
throw new boom_1.Boom('Invalid buffer', { statusCode: 400 })
}
return data instanceof Buffer ? data : Buffer.from(data)
}
const willSendMessageAgain = (id, participant) => {
const key = `${id}:${participant}`
const retryCount = msgRetryCache.get(key) || 0
return retryCount < maxMsgRetryCount
}
const updateSendMessageAgainCount = (id, participant) => {
const key = `${id}:${participant}`
const newValue = (msgRetryCache.get(key) || 0) + 1
msgRetryCache.set(key, newValue)
}
const sendMessagesAgain = async (key, ids, retryNode) => {
const msgs = await Promise.all(ids.map(id => getMessage({ ...key, id })))
const remoteJid = key.remoteJid
const participant = key.participant || remoteJid
// if it's the primary jid sending the request
// just re-send the message to everyone
// prevents the first message decryption failure
const sendToAll = !WABinary_1.jidDecode(participant)?.device
await assertSessions([participant], true)
if (WABinary_1.isJidGroup(remoteJid)) {
await authState.keys.set({ 'sender-key-memory': { [remoteJid]: null } })
}
logger.debug({ participant, sendToAll }, 'forced new session for retry recp')
for (const [i, msg] of msgs.entries()) {
if (msg) {
updateSendMessageAgainCount(ids[i], participant)
const msgRelayOpts = { messageId: ids[i] }
if (sendToAll) {
msgRelayOpts.useUserDevicesCache = false
}
else {
msgRelayOpts.participant = {
jid: participant,
count: +retryNode.attrs.count
}
}
await relayMessage(key.remoteJid, msg, msgRelayOpts)
}
else {
logger.debug({ jid: key.remoteJid, id: ids[i] }, 'recv retry request, but message not available')
}
}
}
const handleReceipt = async (node) => {
const { attrs, content } = node
const isLid = attrs.from.includes('lid')
const isNodeFromMe = WABinary_1.areJidsSameUser(attrs.participant || attrs.from, isLid ? authState.creds.me?.lid : authState.creds.me?.id)
const remoteJid = !isNodeFromMe || WABinary_1.isJidGroup(attrs.from) ? attrs.from : attrs.recipient
const fromMe = !attrs.recipient || ((attrs.type === 'retry' || attrs.type === 'sender') && isNodeFromMe)
const key = {
remoteJid,
id: '',
fromMe,
participant: attrs.participant
}
if (shouldIgnoreJid(remoteJid) && remoteJid !== '@s.whatsapp.net') {
logger.debug({ remoteJid }, 'ignoring receipt from jid')
await sendMessageAck(node)
return
}
const ids = [attrs.id]
if (Array.isArray(content)) {
const items = WABinary_1.getBinaryNodeChildren(content[0], 'item')
ids.push(...items.map(i => i.attrs.id))
}
try {
await Promise.all([
processingMutex.mutex(async () => {
const status = Utils_1.getStatusFromReceiptType(attrs.type)
if (typeof status !== 'undefined' && (
// basically, we only want to know when a message from us has been delivered to/read by the other person
// or another device of ours has read some messages
status >= WAProto_1.proto.WebMessageInfo.Status.SERVER_ACK ||
!isNodeFromMe)) {
if (WABinary_1.isJidGroup(remoteJid) || WABinary_1.isJidStatusBroadcast(remoteJid)) {
if (attrs.participant) {
const updateKey = status === WAProto_1.proto.WebMessageInfo.Status.DELIVERY_ACK ? 'receiptTimestamp' : 'readTimestamp'
ev.emit('message-receipt.update', ids.map(id => ({
key: { ...key, id },
receipt: {
userJid: WABinary_1.jidNormalizedUser(attrs.participant),
[updateKey]: +attrs.t
}
})))
}
}
else {
ev.emit('messages.update', ids.map(id => ({
key: { ...key, id },
update: { status }
})))
}
}
if (attrs.type === 'retry') {
// correctly set who is asking for the retry
key.participant = key.participant || attrs.from
const retryNode = WABinary_1.getBinaryNodeChild(node, 'retry')
if (willSendMessageAgain(ids[0], key.participant)) {
if (key.fromMe) {
try {
logger.debug({ attrs, key }, 'recv retry request')
await sendMessagesAgain(key, ids, retryNode)
}
catch (error) {
logger.error({ key, ids, trace: error.stack }, 'error in sending message again')
}
}
else {
logger.info({ attrs, key }, 'recv retry for not fromMe message')
}
}
else {
logger.info({ attrs, key }, 'will not send message again, as sent too many times')
}
}
})
])
}
finally {
await sendMessageAck(node)
}
}
const handleNotification = async (node) => {
const remoteJid = node.attrs.from
if (shouldIgnoreJid(remoteJid) && remoteJid !== '@s.whatsapp.net') {
logger.debug({ remoteJid, id: node.attrs.id }, 'ignored notification')
await sendMessageAck(node)
return
}
try {
await Promise.all([
processingMutex.mutex(async () => {
const msg = await processNotification(node)
if (msg) {
const fromMe = WABinary_1.areJidsSameUser(node.attrs.participant || remoteJid, authState.creds.me.id)
msg.key = {
remoteJid,
fromMe,
participant: node.attrs.participant,
id: node.attrs.id,
...(msg.key || {})
}
msg.participant = msg.participant ? msg.participant : node.attrs.participant
msg.messageTimestamp = +node.attrs.t
const fullMsg = WAProto_1.proto.WebMessageInfo.fromObject(msg)
await upsertMessage(fullMsg, 'append')
}
})
])
}
finally {
await sendMessageAck(node)
}
}
const handleMessage = async (node) => {
if (shouldIgnoreJid(node.attrs.from) && node.attrs.from !== '@s.whatsapp.net') {
logger.debug({ key: node.attrs.key }, 'ignored message')
await sendMessageAck(node)
return
}
let response
if (WABinary_1.getBinaryNodeChild(node, 'unavailable') && !WABinary_1.getBinaryNodeChild(node, 'enc')) {
await sendMessageAck(node)
const { key } = Utils_1.decodeMessageNode(node, authState.creds.me.id, authState.creds.me.lid || '').fullMessage
response = await requestPlaceholderResend(key)
if (response === 'RESOLVED') {
return
}
logger.debug('received unavailable message, acked and requested resend from phone')
}
else {
if (placeholderResendCache.get(node.attrs.id)) {
placeholderResendCache.del(node.attrs.id)
}
}
const { fullMessage: msg, category, author, decrypt } = Utils_1.decryptMessageNode(node, authState.creds.me.id, authState.creds.me.lid || '', signalRepository, logger)
if (response && msg?.messageStubParameters?.[0] === Utils_1.NO_MESSAGE_FOUND_ERROR_TEXT) {
msg.messageStubParameters = [Utils_1.NO_MESSAGE_FOUND_ERROR_TEXT, response]
}
if (msg.message?.protocolMessage?.type === WAProto_1.proto.Message.ProtocolMessage.Type.SHARE_PHONE_NUMBER && node.attrs.sender_pn) {
ev.emit('chats.phoneNumberShare', { lid: node.attrs.from, jid: node.attrs.sender_pn })
}
try {
await Promise.all([
processingMutex.mutex(async () => {
await decrypt()
// message failed to decrypt
if (msg.messageStubType === WAProto_1.proto.WebMessageInfo.StubType.CIPHERTEXT) {
if (msg?.messageStubParameters?.[0] === Utils_1.MISSING_KEYS_ERROR_TEXT) {
return sendMessageAck(node, Utils_1.NACK_REASONS.ParsingError)
}
retryMutex.mutex(async () => {
if (ws.isOpen) {
if (WABinary_1.getBinaryNodeChild(node, 'unavailable')) {
return
}
const encNode = WABinary_1.getBinaryNodeChild(node, 'enc')
await sendRetryRequest(node, !encNode)
if (retryRequestDelayMs) {
await Utils_1.delay(retryRequestDelayMs)
}
}
else {
logger.debug({ node }, 'connection closed, ignoring retry req')
}
})
}
else {
// no type in the receipt => message delivered
let type = undefined
let participant = msg.key.participant
if (category === 'peer') { // special peer message
type = 'peer_msg'
}
else if (msg.key.fromMe) { // message was sent by us from a different device
type = 'sender'
// need to specially handle this case
if (WABinary_1.isJidUser(msg.key.remoteJid)) {
participant = author
}
}
else if (!sendActiveReceipts) {
type = 'inactive'
}
await sendReceipt(msg.key.remoteJid, participant, [msg.key.id], type)
// send ack for history message
const isAnyHistoryMsg = Utils_1.getHistoryMsg(msg.message)
if (isAnyHistoryMsg) {
const jid = WABinary_1.jidNormalizedUser(msg.key.remoteJid)
await sendReceipt(jid, undefined, [msg.key.id], 'hist_sync')
}
}
if (node?.attrs?.addressing_mode === 'lid' && node?.attrs?.participant_pn) {
msg.key.participant = WABinary_1.jidNormalizedUser(node.attrs.participant_pn) 
}
Utils_1.cleanMessage(msg, authState.creds.me.id)
await sendMessageAck(node)
await upsertMessage(msg, node.attrs.offline ? 'append' : 'notify')
})
])
}
catch (error) {
logger.error({ error, node }, 'error in handling message')
}
}
const fetchMessageHistory = async (count, oldestMsgKey, oldestMsgTimestamp) => {
if (!authState.creds.me?.id) {
throw new boom_1.Boom('Not authenticated')
}
const pdoMessage = {
historySyncOnDemandRequest: {
chatJid: oldestMsgKey.remoteJid,
oldestMsgFromMe: oldestMsgKey.fromMe,
oldestMsgId: oldestMsgKey.id,
oldestMsgTimestampMs: oldestMsgTimestamp,
onDemandMsgCount: count
},
peerDataOperationRequestType: WAProto_1.proto.Message.PeerDataOperationRequestType.HISTORY_SYNC_ON_DEMAND
}
return sendPeerDataOperationMessage(pdoMessage)
}
const requestPlaceholderResend = async (messageKey) => {
if (!authState.creds.me?.id) {
throw new boom_1.Boom('Not authenticated')
}
if (placeholderResendCache.get(messageKey?.id)) {
logger.debug({ messageKey }, 'already requested resend')
return
}
else {
placeholderResendCache.set(messageKey?.id, true)
}
await Utils_1.delay(5000)
if (!placeholderResendCache.get(messageKey?.id)) {
logger.debug({ messageKey }, 'message received while resend requested')
return 'RESOLVED'
}
const pdoMessage = {
placeholderMessageResendRequest: [{
messageKey
}],
peerDataOperationRequestType: WAProto_1.proto.Message.PeerDataOperationRequestType.PLACEHOLDER_MESSAGE_RESEND
}
setTimeout(() => {
if (placeholderResendCache.get(messageKey?.id)) {
logger.debug({ messageKey }, 'PDO message without response after 15 seconds. Phone possibly offline')
placeholderResendCache.del(messageKey?.id)
}
}, 15000)
return sendPeerDataOperationMessage(pdoMessage)
}
const handleCall = async (node) => {
const { attrs } = node
const [infoChild] = WABinary_1.getAllBinaryNodeChildren(node)
const callId = infoChild.attrs['call-id']
const from = infoChild.attrs.from || infoChild.attrs['call-creator']
const status =  Utils_1.getCallStatusFromNode(infoChild)
const call = {
chatId: attrs.from,
from,
id: callId,
date: new Date(+attrs.t * 1000),
offline: !!attrs.offline,
status,
}
if (status === 'offer') {
call.isVideo = !!WABinary_1.getBinaryNodeChild(infoChild, 'video')
call.isGroup = infoChild.attrs.type === 'group' || !!infoChild.attrs['group-jid']
call.groupJid = infoChild.attrs['group-jid']
callOfferCache.set(call.id, call)
}
const existingCall = callOfferCache.get(call.id)
// use existing call info to populate this event
if (existingCall) {
call.isVideo = existingCall.isVideo
call.isGroup = existingCall.isGroup
}
// delete data once call has ended
if (status === 'reject' || status === 'accept' || status === 'timeout' || status === 'terminate') {
callOfferCache.del(call.id)
}
ev.emit('call', [call])
await sendMessageAck(node)
}
const handleBadAck = async ({ attrs }) => {
const key = { remoteJid: attrs.from, fromMe: true, id: attrs.id, newsletter_server_id: attrs?.server_id }
// WARNING: REFRAIN FROM ENABLING THIS FOR NOW. IT WILL CAUSE A LOOP
// // current hypothesis is that if pash is sent in the ack
// // it means -- the message hasn't reached all devices yet
// // we'll retry sending the message here
// if(attrs.phash) {
// 	logger.info({ attrs }, 'received phash in ack, resending message...')
// 	const msg = await getMessage(key)
// 	if(msg) {
// 		await relayMessage(key.remoteJid!, msg, { messageId: key.id!, useUserDevicesCache: false })
// 	} else {
// 		logger.warn({ attrs }, 'could not send message again, as it was not found')
// 	}
// }
// error in acknowledgement,
// device could not display the message
if (attrs.error) {
logger.warn({ attrs }, 'received error in ack')
ev.emit('messages.update', [
{
key,
update: {
status: Types_1.WAMessageStatus.ERROR,
messageStubParameters: [
attrs.error
]
}
}
])
}
}
/// processes a node with the given function
/// and adds the task to the existing buffer if we're buffering events
const processNodeWithBuffer = async (node, identifier, exec) => {
ev.buffer()
await execTask()
ev.flush()
function execTask() {
return exec(node, false)
.catch(err => onUnexpectedError(err, identifier))
}
}
const makeOfflineNodeProcessor = () => {
const nodeProcessorMap = new Map([
['message', handleMessage],
['call', handleCall],
['receipt', handleReceipt],
['notification', handleNotification]
])
const nodes = []
let isProcessing = false
const enqueue = (type, node) => {
nodes.push({ type, node })
if (isProcessing) {
return
}
isProcessing = true
const promise = async () => {
while (nodes.length && ws.isOpen) {
const { type, node } = nodes.shift()
const nodeProcessor = nodeProcessorMap.get(type)
if (!nodeProcessor) {
onUnexpectedError(new Error(`unknown offline node type: ${type}`), 'processing offline node')
continue
}
await nodeProcessor(node)
}
isProcessing = false
}
promise().catch(error => onUnexpectedError(error, 'processing offline nodes'))
}
return { enqueue }
}
const offlineNodeProcessor = makeOfflineNodeProcessor()
const processNode = (type, node, identifier, exec) => {
const isOffline = !!node.attrs.offline
if (isOffline) {
offlineNodeProcessor.enqueue(type, node)
}
else {
processNodeWithBuffer(node, identifier, exec)
}
}
// recv a message
ws.on('CB:message', (node) => {
processNode('message', node, 'processing message', handleMessage)
})
ws.on('CB:call', async (node) => {
processNode('call', node, 'handling call', handleCall)
})
ws.on('CB:receipt', node => {
processNode('receipt', node, 'handling receipt', handleReceipt)
})
ws.on('CB:notification', async (node) => {
processNode('notification', node, 'handling notification', handleNotification)
})
ws.on('CB:ack,class:message', (node) => {
handleBadAck(node)
.catch(error => onUnexpectedError(error, 'handling bad ack'))
})
ev.on('call', ([call]) => {
// missed call + group call notification message generation
if (call.status === 'timeout' || (call.status === 'offer' && call.isGroup)) {
const msg = {
key: {
remoteJid: call.chatId,
id: call.id,
fromMe: false
},
messageTimestamp: Utils_1.unixTimestampSeconds(call.date),
}
if (call.status === 'timeout') {
if (call.isGroup) {
msg.messageStubType = call.isVideo ? Types_1.WAMessageStubType.CALL_MISSED_GROUP_VIDEO : Types_1.WAMessageStubType.CALL_MISSED_GROUP_VOICE
}
else {
msg.messageStubType = call.isVideo ? Types_1.WAMessageStubType.CALL_MISSED_VIDEO : Types_1.WAMessageStubType.CALL_MISSED_VOICE
}
}
else {
msg.message = { call: { callKey: Buffer.from(call.id) } }
}
const protoMsg = WAProto_1.proto.WebMessageInfo.fromObject(msg)
upsertMessage(protoMsg, call.offline ? 'append' : 'notify')
}
})
ev.on('connection.update', ({ isOnline }) => {
if (typeof isOnline !== 'undefined') {
sendActiveReceipts = isOnline
logger.trace(`sendActiveReceipts set to "${sendActiveReceipts}"`)
}
})
return {
...sock,
sendMessageAck,
sendRetryRequest,
offerCall, 
rejectCall,
fetchMessageHistory,
requestPlaceholderResend,
}
}
module.exports = {
makeMessagesRecvSocket
}