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feat: mutex processing in a chat to preserve order of events

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This commit is contained in:
Adhiraj Singh
2022-01-22 14:07:06 +05:30
parent a06f639774
commit 1f2a6641f3
4 changed files with 182 additions and 141 deletions
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89
src/Utils/decode-wa-message.ts
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@@ -7,7 +7,7 @@ import { decryptGroupSignalProto, decryptSignalProto, processSenderKeyMessage }
type MessageType = 'chat' | 'peer_broadcast' | 'other_broadcast' | 'group' | 'direct_peer_status' | 'other_status'
export const decodeMessageStanza = async(stanza: BinaryNode, auth: AuthenticationState) => {
export const decodeMessageStanza = (stanza: BinaryNode, auth: AuthenticationState) => {
//const deviceIdentity = (stanza.content as BinaryNodeM[])?.find(m => m.tag === 'device-identity')
//const deviceIdentityBytes = deviceIdentity ? deviceIdentity.content as Buffer : undefined
@@ -81,48 +81,51 @@ export const decodeMessageStanza = async(stanza: BinaryNode, auth: Authenticatio
fullMessage.status = proto.WebMessageInfo.WebMessageInfoStatus.SERVER_ACK
}
if(Array.isArray(stanza.content)) {
for(const { tag, attrs, content } of stanza.content) {
if(tag !== 'enc') {
continue
return {
fullMessage,
decryptionTask: (async() => {
if(Array.isArray(stanza.content)) {
for(const { tag, attrs, content } of stanza.content) {
if(tag !== 'enc') {
continue
}
if(!(content instanceof Uint8Array)) {
continue
}
let msgBuffer: Buffer
try {
const e2eType = attrs.type
switch (e2eType) {
case 'skmsg':
msgBuffer = await decryptGroupSignalProto(sender, author, content, auth)
break
case 'pkmsg':
case 'msg':
const user = isJidUser(sender) ? sender : author
msgBuffer = await decryptSignalProto(user, e2eType, content as Buffer, auth)
break
}
let msg: proto.IMessage = proto.Message.decode(unpadRandomMax16(msgBuffer))
msg = msg.deviceSentMessage?.message || msg
if(msg.senderKeyDistributionMessage) {
await processSenderKeyMessage(author, msg.senderKeyDistributionMessage, auth)
}
if(fullMessage.message) {
Object.assign(fullMessage.message, msg)
} else {
fullMessage.message = msg
}
} catch(error) {
fullMessage.messageStubType = proto.WebMessageInfo.WebMessageInfoStubType.CIPHERTEXT
fullMessage.messageStubParameters = [error.message]
}
}
}
if(!(content instanceof Uint8Array)) {
continue
}
let msgBuffer: Buffer
try {
const e2eType = attrs.type
switch (e2eType) {
case 'skmsg':
msgBuffer = await decryptGroupSignalProto(sender, author, content, auth)
break
case 'pkmsg':
case 'msg':
const user = isJidUser(sender) ? sender : author
msgBuffer = await decryptSignalProto(user, e2eType, content as Buffer, auth)
break
}
let msg: proto.IMessage = proto.Message.decode(unpadRandomMax16(msgBuffer))
msg = msg.deviceSentMessage?.message || msg
if(msg.senderKeyDistributionMessage) {
await processSenderKeyMessage(author, msg.senderKeyDistributionMessage, auth)
}
if(fullMessage.message) {
Object.assign(fullMessage.message, msg)
} else {
fullMessage.message = msg
}
} catch(error) {
fullMessage.messageStubType = proto.WebMessageInfo.WebMessageInfoStubType.CIPHERTEXT
fullMessage.messageStubParameters = [error.message]
}
}
})()
}
return fullMessage
}