mirror of
https://github.com/FranP-code/Baileys.git
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563 lines
25 KiB
TypeScript
563 lines
25 KiB
TypeScript
import * as QR from 'qrcode-terminal'
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import { WAConnection as Base } from './3.Connect'
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import { WAMessageStatusUpdate, WAMessage, WAContact, WAChat, WAMessageProto, WA_MESSAGE_STUB_TYPE, WA_MESSAGE_STATUS_TYPE, PresenceUpdate, BaileysEvent, DisconnectReason, WAOpenResult, Presence, AuthenticationCredentials, WAParticipantAction, WAGroupMetadata, WAUser, WANode, WAPresenceData } from './Constants'
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import { whatsappID, unixTimestampSeconds, isGroupID, GET_MESSAGE_ID, WA_MESSAGE_ID, waMessageKey, newMessagesDB, shallowChanges, toNumber } from './Utils'
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import KeyedDB from '@adiwajshing/keyed-db'
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import { Mutex } from './Mutex'
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export class WAConnection extends Base {
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constructor () {
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super ()
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// chats received
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this.on('CB:response,type:chat', json => {
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if (json[1].duplicate || !json[2]) return
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const chats = new KeyedDB(this.chatOrderingKey, c => c.jid)
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json[2].forEach(([item, chat]: [any, WAChat]) => {
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if (!chat) {
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this.logger.warn (`unexpectedly got null chat: ${item}`, chat)
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return
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}
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chat.jid = whatsappID (chat.jid)
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chat.t = +chat.t
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chat.count = +chat.count
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chat.messages = newMessagesDB()
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// chats data (log json to see what it looks like)
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!chats.get (chat.jid) && chats.insert (chat)
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})
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this.logger.info (`received ${json[2].length} chats`)
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const oldChats = this.chats
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const updatedChats = []
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let hasNewChats = false
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chats.all().forEach (chat => {
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const respectiveContact = this.contacts[chat.jid]
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chat.name = respectiveContact?.name || respectiveContact?.notify || chat.name
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const oldChat = oldChats.get(chat.jid)
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if (!oldChat) {
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hasNewChats = true
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} else {
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chat.messages = oldChat.messages
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if (oldChat.t !== chat.t || oldChat.modify_tag !== chat.modify_tag) {
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const changes = shallowChanges (oldChat, chat)
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delete changes.messages
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updatedChats.push({ jid: chat.jid, ...changes })
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}
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}
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})
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this.chats = chats
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this.lastChatsReceived = new Date()
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updatedChats.length > 0 && this.emit('chats-update', updatedChats)
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this.emit('chats-received', { hasNewChats })
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})
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// we store these last messages
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const lastMessages = {}
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// messages received
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const messagesUpdate = (json, style: 'prepend' | 'append') => {
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const messages = json[2] as WANode[]
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if (messages) {
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const updates: { [k: string]: KeyedDB<WAMessage, string> } = {}
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messages.reverse().forEach (([,, message]: ['message', null, WAMessage]) => {
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const jid = message.key.remoteJid
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const chat = this.chats.get(jid)
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const mKeyID = WA_MESSAGE_ID(message)
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if (chat && !chat.messages.get(mKeyID)) {
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if (style === 'prepend') {
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const fm = chat.messages.get(lastMessages[jid])
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if (!fm) return
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const prevEpoch = fm['epoch']
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message['epoch'] = prevEpoch-1
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} else if (style === 'append') {
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const lm = chat.messages.all()[chat.messages.length-1]
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const prevEpoch = (lm && lm['epoch']) || 0
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message['epoch'] = prevEpoch+100 // hacky way to allow more previous messages
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}
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chat.messages.insert (message)
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updates[jid] = updates[jid] || newMessagesDB()
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updates[jid].insert(message)
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lastMessages[jid] = mKeyID
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} else if (!chat) this.logger.debug({ jid }, `chat not found`)
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})
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if (Object.keys(updates).length > 0) {
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this.emit ('chats-update',
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Object.keys(updates).map(jid => ({ jid, messages: updates[jid] }))
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)
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}
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}
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}
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this.on('CB:action,add:last', json => messagesUpdate(json, 'append'))
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this.on('CB:action,add:before', json => messagesUpdate(json, 'prepend'))
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this.on('CB:action,add:unread', json => messagesUpdate(json, 'prepend'))
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// contacts received
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this.on('CB:response,type:contacts', json => {
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if (json[1].duplicate || !json[2]) return
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const contacts: { [_: string]: WAContact } = {}
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json[2].forEach(([type, contact]: ['user', WAContact]) => {
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if (!contact) return this.logger.info (`unexpectedly got null contact: ${type}`, contact)
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contact.jid = whatsappID (contact.jid)
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contacts[contact.jid] = contact
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})
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// update chat names
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const updatedChats = []
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this.chats.all().forEach(c => {
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const contact = contacts[c.jid]
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if (contact) {
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const name = contact?.name || contact?.notify || c.name
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if (name !== c.name) {
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updatedChats.push({ jid: c.jid, name })
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}
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}
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})
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updatedChats.length > 0 && this.emit('chats-update', updatedChats)
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this.logger.info (`received ${json[2].length} contacts`)
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this.contacts = contacts
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this.emit('contacts-received')
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})
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// new messages
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this.on('CB:action,add:relay,message', json => {
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const message = json[2][0][2] as WAMessage
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const jid = whatsappID( message.key.remoteJid )
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if (jid.endsWith('@s.whatsapp.net')) {
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const contact = this.contacts[jid]
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if (contact && contact?.lastKnownPresence === Presence.composing) {
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contact.lastKnownPresence = Presence.available
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}
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}
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this.chatAddMessageAppropriate (message)
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})
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this.on('CB:Chat,cmd:action', json => {
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const data = json[1].data
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if (data) {
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const emitGroupParticipantsUpdate = (action: WAParticipantAction) => this.emit(
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'group-participants-update',
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{ participants: data[2].participants.map(whatsappID), actor: data[1], jid: json[1].id, action }
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)
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switch (data[0]) {
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case "promote":
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emitGroupParticipantsUpdate('promote')
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break
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case "demote":
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emitGroupParticipantsUpdate('demote')
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break
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}
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}
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})
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// presence updates
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this.on('CB:Presence', json => {
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const chatUpdate = this.applyingPresenceUpdate(json[1])
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chatUpdate && this.emit('chat-update', chatUpdate)
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})
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// If a message has been updated (usually called when a video message gets its upload url, or live locations)
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this.on ('CB:action,add:update,message', json => {
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const message: WAMessage = json[2][0][2]
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const jid = whatsappID(message.key.remoteJid)
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const chat = this.chats.get(jid)
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if (!chat) return
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// reinsert to update
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const oldMessage = chat.messages.get (WA_MESSAGE_ID(message))
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if (oldMessage) {
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message['epoch'] = oldMessage['epoch']
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chat.messages.delete (oldMessage)
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chat.messages.insert (message)
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const chatUpdate: Partial<WAChat> = { jid, messages: newMessagesDB([ message ]) }
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this.emit ('chat-update', chatUpdate)
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// emit deprecated
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this.emit ('message-update', message)
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} else {
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this.logger.debug ({ unhandled: true }, 'received message update for non-present message from ' + jid)
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}
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})
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// If a user's contact has changed
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this.on ('CB:action,,user', json => {
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const node = json[2][0]
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if (node) {
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const user = node[1] as WAContact
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user.jid = whatsappID(user.jid)
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this.contacts[user.jid] = user
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const chat = this.chats.get (user.jid)
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if (chat) {
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chat.name = user.name || user.notify || chat.name
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this.emit ('chat-update', { jid: chat.jid, name: chat.name })
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}
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}
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})
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// chat archive, pin etc.
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this.on('CB:action,,chat', json => {
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json = json[2][0]
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const updateType = json[1].type
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const jid = whatsappID(json[1]?.jid)
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const chat = this.chats.get(jid)
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if (!chat) return
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const FUNCTIONS = {
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'delete': () => {
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chat['delete'] = 'true'
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this.chats.delete(chat)
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return 'delete'
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},
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'clear': () => {
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if (!json[2]) chat.messages.clear ()
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else json[2].forEach(item => chat.messages.filter(m => m.key.id !== item[1].index))
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return 'clear'
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},
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'archive': () => {
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chat.archive = 'true'
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return 'archive'
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},
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'unarchive': () => {
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delete chat.archive
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return 'archive'
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},
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'pin': () => {
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chat.pin = json[1].pin
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return 'pin'
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}
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}
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const func = FUNCTIONS [updateType]
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if (func) {
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const property = func ()
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this.emit ('chat-update', { jid, [property]: chat[property] || null })
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}
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})
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// profile picture updates
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this.on('CB:Cmd,type:picture', async json => {
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const jid = whatsappID(json[1].jid)
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const imgUrl = await this.getProfilePicture(jid)
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const contact = this.contacts[jid]
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if (contact) contact.imgUrl = imgUrl
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const chat = this.chats.get(jid)
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if (chat) {
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chat.imgUrl = imgUrl
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this.emit ('chat-update', { jid, imgUrl })
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}
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})
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// status updates
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this.on('CB:Status', async json => {
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const jid = whatsappID(json[1].id)
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this.emit ('user-status-update', { jid, status: json[1].status })
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})
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// read updates
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this.on ('CB:action,,read', async json => {
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const update = json[2][0][1]
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const jid = whatsappID(update.jid)
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const chat = this.chats.get (jid) || await this.chatAdd (jid)
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if (update.type === 'false') chat.count = -1
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else chat.count = 0
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this.emit ('chat-update', { jid: chat.jid, count: chat.count })
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})
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this.on ('CB:action,add:relay,received', json => {
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json = json[2][0][1]
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if (json.type === 'error') {
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const update: WAMessageStatusUpdate = {
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from: this.user.jid,
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to: whatsappID(json.jid),
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participant: this.user.jid,
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timestamp: new Date(),
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ids: [ json.index ],
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type: WA_MESSAGE_STATUS_TYPE.ERROR,
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}
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this.forwardStatusUpdate (update)
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}
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})
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const func = json => {
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json = json[1]
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let ids = json.id
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if (json.cmd === 'ack') ids = [json.id]
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const update: WAMessageStatusUpdate = {
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from: whatsappID(json.from),
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to: whatsappID(json.to),
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participant: whatsappID(json.participant),
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timestamp: new Date(json.t * 1000),
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ids: ids,
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type: (+json.ack)+1,
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}
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this.forwardStatusUpdate (update)
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}
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this.on('CB:Msg', func)
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this.on('CB:MsgInfo', func)
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this.on ('qr', qr => QR.generate(qr, { small: true }))
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}
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/** Get the URL to download the profile picture of a person/group */
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@Mutex (jid => jid)
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async getProfilePicture(jid: string | null) {
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const response = await this.query({ json: ['query', 'ProfilePicThumb', jid || this.user.jid], expect200: true, requiresPhoneConnection: false })
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return response.eurl as string
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}
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protected applyingPresenceUpdate(update: PresenceUpdate) {
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const chatId = update.id
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const jid = whatsappID(update.participant || update.id)
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// emit deprecated
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this.emit('user-presence-update', update)
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const contact = this.contacts[jid]
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if (contact && jid.endsWith('@s.whatsapp.net')) { // if its a single chat
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if (update.t) contact.lastSeen = +update.t
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else if (update.type === Presence.unavailable && contact.lastKnownPresence !== Presence.unavailable) {
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contact.lastSeen = unixTimestampSeconds()
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}
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contact.lastKnownPresence = update.type
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const presence: WAPresenceData = {
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lastKnownPresence: contact.lastKnownPresence,
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lastSeen: contact.lastSeen,
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name: contact.name || contact.vname || contact.notify
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}
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const chat = this.chats.get(chatId)
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if (chat) {
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chat.presences = chat.presences || {}
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chat.presences[jid] = presence
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return { jid: chatId, presences: { [jid]: presence } } as Partial<WAChat>
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}
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}
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}
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protected forwardStatusUpdate (update: WAMessageStatusUpdate) {
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const chat = this.chats.get( whatsappID(update.to) )
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if (!chat) return
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this.emit ('message-status-update', update)
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this.chatUpdatedMessage (update.ids, update.type, chat)
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}
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/** inserts an empty chat into the DB */
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protected async chatAdd (jid: string, name?: string) {
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if (this.chats.get (jid)) return
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const chat: WAChat = {
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jid: jid,
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t: unixTimestampSeconds(),
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messages: new KeyedDB(waMessageKey, WA_MESSAGE_ID),
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count: 0,
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modify_tag: '',
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spam: 'false',
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name
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}
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this.chats.insert (chat)
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if (this.loadProfilePicturesForChatsAutomatically) {
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await this.setProfilePicture (chat)
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}
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this.emit ('chat-new', chat)
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return chat
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}
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/** find a chat or return an error */
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protected assertChatGet = jid => {
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const chat = this.chats.get (jid)
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if (!chat) throw new Error (`chat '${jid}' not found`)
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return chat
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}
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/** Adds the given message to the appropriate chat, if the chat doesn't exist, it is created */
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protected async chatAddMessageAppropriate (message: WAMessage) {
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const jid = whatsappID (message.key.remoteJid)
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const chat = this.chats.get(jid) || await this.chatAdd (jid)
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this.chatAddMessage (message, chat)
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}
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protected chatAddMessage (message: WAMessage, chat: WAChat) {
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// store updates in this
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const chatUpdate: Partial<WAChat> & { jid: string } = { jid: chat.jid }
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// add to count if the message isn't from me & there exists a message
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if (!message.key.fromMe && message.message) {
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chat.count += 1
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chatUpdate.count = chat.count
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const contact = this.contacts[message.participant || chat.jid]
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if (contact.lastKnownPresence === Presence.composing) { // update presence
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const update = this.applyingPresenceUpdate({ id: chat.jid, participant: message.participant || chat.jid, type: Presence.available })
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update && Object.assign(chatUpdate, update)
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}
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}
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const messages = chat.messages
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const protocolMessage = message.message?.protocolMessage
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// if it's a message to delete another message
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if (protocolMessage) {
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switch (protocolMessage.type) {
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case WAMessageProto.ProtocolMessage.PROTOCOL_MESSAGE_TYPE.REVOKE:
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const found = chat.messages.get (GET_MESSAGE_ID(protocolMessage.key))
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if (found?.message) {
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this.logger.info ('deleting message: ' + protocolMessage.key.id + ' in chat: ' + protocolMessage.key.remoteJid)
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found.messageStubType = WA_MESSAGE_STUB_TYPE.REVOKE
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delete found.message
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chatUpdate.messages = newMessagesDB([ found ])
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// emit deprecated
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this.emit('message-update', found)
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}
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break
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default:
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break
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}
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} else if (!messages.get(WA_MESSAGE_ID(message))) { // if the message is not already there
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const last = messages.all().slice(-1)
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const lastEpoch = ((last && last[0]) && last[0]['epoch']) || 0
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message['epoch'] = lastEpoch+1
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messages.insert (message)
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while (messages.length > this.maxCachedMessages) {
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messages.delete (messages.all()[0]) // delete oldest messages
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}
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// only update if it's an actual message
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if (message.message) {
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this.chatUpdateTime (chat, +toNumber(message.messageTimestamp))
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chatUpdate.t = chat.t
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}
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chatUpdate.messages = newMessagesDB([ message ])
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// emit deprecated
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this.emit('message-new', message)
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// check if the message is an action
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if (message.messageStubType) {
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const jid = chat.jid
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let actor = whatsappID (message.participant)
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let participants: string[]
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const emitParticipantsUpdate = (action: WAParticipantAction) => this.emit ('group-participants-update', { jid, actor, participants, action })
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const emitGroupUpdate = (update: Partial<WAGroupMetadata>) => this.emit ('group-update', { jid, actor, ...update })
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switch (message.messageStubType) {
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case WA_MESSAGE_STUB_TYPE.GROUP_PARTICIPANT_LEAVE:
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case WA_MESSAGE_STUB_TYPE.GROUP_PARTICIPANT_REMOVE:
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participants = message.messageStubParameters.map (whatsappID)
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emitParticipantsUpdate('remove')
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// mark the chat read only if you left the group
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if (participants.includes(this.user.jid)) {
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chat.read_only = 'true'
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chatUpdate.read_only = 'true'
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}
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break
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case WA_MESSAGE_STUB_TYPE.GROUP_PARTICIPANT_ADD:
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case WA_MESSAGE_STUB_TYPE.GROUP_PARTICIPANT_INVITE:
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case WA_MESSAGE_STUB_TYPE.GROUP_PARTICIPANT_ADD_REQUEST_JOIN:
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participants = message.messageStubParameters.map (whatsappID)
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if (participants.includes(this.user.jid) && chat.read_only === 'true') {
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delete chat.read_only
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chatUpdate.read_only = 'false'
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}
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emitParticipantsUpdate('add')
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break
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case WA_MESSAGE_STUB_TYPE.GROUP_CHANGE_ANNOUNCE:
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const announce = message.messageStubParameters[0] === 'on' ? 'true' : 'false'
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emitGroupUpdate({ announce })
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break
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case WA_MESSAGE_STUB_TYPE.GROUP_CHANGE_ANNOUNCE:
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const restrict = message.messageStubParameters[0] === 'on' ? 'true' : 'false'
|
|
emitGroupUpdate({ restrict })
|
|
break
|
|
case WA_MESSAGE_STUB_TYPE.GROUP_CHANGE_DESCRIPTION:
|
|
const desc = message.messageStubParameters[0]
|
|
emitGroupUpdate({ desc })
|
|
break
|
|
case WA_MESSAGE_STUB_TYPE.GROUP_CHANGE_SUBJECT:
|
|
case WA_MESSAGE_STUB_TYPE.GROUP_CREATE:
|
|
chat.name = message.messageStubParameters[0]
|
|
chatUpdate.name = chat.name
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
this.emit('chat-update', chatUpdate)
|
|
}
|
|
protected chatUpdatedMessage (messageIDs: string[], status: WA_MESSAGE_STATUS_TYPE, chat: WAChat) {
|
|
for (let id of messageIDs) {
|
|
let msg = chat.messages.get (GET_MESSAGE_ID({ id, fromMe: true })) || chat.messages.get (GET_MESSAGE_ID({ id, fromMe: false }))
|
|
if (msg && msg.status < status) {
|
|
if (status <= WA_MESSAGE_STATUS_TYPE.PENDING) msg.status = status
|
|
else if (isGroupID(chat.jid)) msg.status = status-1
|
|
else msg.status = status
|
|
}
|
|
}
|
|
}
|
|
protected chatUpdateTime = (chat, stamp: number) => this.chats.updateKey (chat, c => c.t = stamp)
|
|
/** sets the profile picture of a chat */
|
|
protected async setProfilePicture (chat: WAChat) {
|
|
chat.imgUrl = await this.getProfilePicture (chat.jid).catch (err => '')
|
|
}
|
|
|
|
// Add all event types
|
|
|
|
/** when the connection has opened successfully */
|
|
on (event: 'open', listener: (result: WAOpenResult) => void): this
|
|
/** when the connection is opening */
|
|
on (event: 'connecting', listener: () => void): this
|
|
/** when the connection has been validated */
|
|
on (event: 'connection-validated', listener: (user: WAUser) => void): this
|
|
/** when the connection has closed */
|
|
on (event: 'close', listener: (err: {reason?: DisconnectReason | string, isReconnecting: boolean}) => void): this
|
|
/** when the socket is closed */
|
|
on (event: 'ws-close', listener: (err: {reason?: DisconnectReason | string}) => void): this
|
|
/** when WA updates the credentials */
|
|
on (event: 'credentials-updated', listener: (auth: AuthenticationCredentials) => void): this
|
|
/** when a new QR is generated, ready for scanning */
|
|
on (event: 'qr', listener: (qr: string) => void): this
|
|
/** when the connection to the phone changes */
|
|
on (event: 'connection-phone-change', listener: (state: {connected: boolean}) => void): this
|
|
/**
|
|
* when a user's presence is updated
|
|
* @deprecated use `chat-update`
|
|
* */
|
|
on (event: 'user-presence-update', listener: (update: PresenceUpdate) => void): this
|
|
/** when a user's status is updated */
|
|
on (event: 'user-status-update', listener: (update: {jid: string, status?: string}) => void): this
|
|
/** when a new chat is added */
|
|
on (event: 'chat-new', listener: (chat: WAChat) => void): this
|
|
/** when contacts are sent by WA */
|
|
on (event: 'contacts-received', listener: () => void): this
|
|
/** when chats are sent by WA */
|
|
on (event: 'chats-received', listener: (update: {hasNewChats: boolean}) => void): this
|
|
/** when multiple chats are updated (new message, updated message, deleted, pinned, etc) */
|
|
on (event: 'chats-update', listener: (chats: (Partial<WAChat> & { jid: string })[]) => void): this
|
|
/** when a chat is updated (new message, updated message, deleted, pinned, presence updated etc) */
|
|
on (event: 'chat-update', listener: (chat: Partial<WAChat> & { jid: string }) => void): this
|
|
/**
|
|
* when a new message is relayed
|
|
* @deprecated use `chat-update`
|
|
* */
|
|
on (event: 'message-new', listener: (message: WAMessage) => void): this
|
|
/**
|
|
* when a message object itself is updated (receives its media info or is deleted)
|
|
* @deprecated use `chat-update`
|
|
* */
|
|
on (event: 'message-update', listener: (message: WAMessage) => void): this
|
|
/** when a message's status is updated (deleted, delivered, read, sent etc.) */
|
|
on (event: 'message-status-update', listener: (message: WAMessageStatusUpdate) => void): this
|
|
/** when participants are added to a group */
|
|
on (event: 'group-participants-update', listener: (update: {jid: string, participants: string[], actor?: string, action: WAParticipantAction}) => void): this
|
|
/** when the group is updated */
|
|
on (event: 'group-update', listener: (update: Partial<WAGroupMetadata> & {jid: string, actor?: string}) => void): this
|
|
/** when WA sends back a pong */
|
|
on (event: 'received-pong', listener: () => void): this
|
|
|
|
on (event: BaileysEvent | string, listener: (json: any) => void): this
|
|
|
|
on (event: BaileysEvent | string, listener: (...args: any[]) => void) { return super.on (event, listener) }
|
|
emit (event: BaileysEvent | string, ...args: any[]) { return super.emit (event, ...args) }
|
|
}
|