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Usync: Barebones Usync Protocol support (#960)

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* feature(feature/usync-mex): initial commit

* chore: fix merge commit

* chore:lint
This commit is contained in:
Rajeh Taher
2024-12-22 23:38:41 +02:00
committed by GitHub
parent 8333a25fca
commit f1f49ad2c8
14 changed files with 525 additions and 147 deletions
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39
src/Utils/signal.ts
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@@ -3,6 +3,7 @@ import { KEY_BUNDLE_TYPE } from '../Defaults'
import { SignalRepository } from '../Types'
import { AuthenticationCreds, AuthenticationState, KeyPair, SignalIdentity, SignalKeyStore, SignedKeyPair } from '../Types/Auth'
import { assertNodeErrorFree, BinaryNode, getBinaryNodeChild, getBinaryNodeChildBuffer, getBinaryNodeChildren, getBinaryNodeChildUInt, jidDecode, JidWithDevice, S_WHATSAPP_NET } from '../WABinary'
import { DeviceListData, ParsedDeviceInfo, USyncQueryResultList } from '../WAUSync'
import { Curve, generateSignalPubKey } from './crypto'
import { encodeBigEndian } from './generics'
@@ -114,30 +115,24 @@ export const parseAndInjectE2ESessions = async(
}
}
export const extractDeviceJids = (result: BinaryNode, myJid: string, excludeZeroDevices: boolean) => {
export const extractDeviceJids = (result: USyncQueryResultList[], myJid: string, excludeZeroDevices: boolean) => {
const { user: myUser, device: myDevice } = jidDecode(myJid)!
const extracted: JidWithDevice[] = []
for(const node of result.content as BinaryNode[]) {
const list = getBinaryNodeChild(node, 'list')?.content
if(list && Array.isArray(list)) {
for(const item of list) {
const { user } = jidDecode(item.attrs.jid)!
const devicesNode = getBinaryNodeChild(item, 'devices')
const deviceListNode = getBinaryNodeChild(devicesNode, 'device-list')
if(Array.isArray(deviceListNode?.content)) {
//eslint-disable-next-line max-depth
for(const { tag, attrs } of deviceListNode!.content) {
const device = +attrs.id
//eslint-disable-next-line max-depth
if(
tag === 'device' && // ensure the "device" tag
(!excludeZeroDevices || device !== 0) && // if zero devices are not-excluded, or device is non zero
(myUser !== user || myDevice !== device) && // either different user or if me user, not this device
(device === 0 || !!attrs['key-index']) // ensure that "key-index" is specified for "non-zero" devices, produces a bad req otherwise
) {
extracted.push({ user, device })
}
}
for(const userResult of result) {
const { devices, id } = userResult as { devices: ParsedDeviceInfo, id: string }
const { user } = jidDecode(id)!
const deviceList = devices?.deviceList as DeviceListData[]
if(Array.isArray(deviceList)) {
for(const { id: device, keyIndex } of deviceList) {
if(
(!excludeZeroDevices || device !== 0) && // if zero devices are not-excluded, or device is non zero
(myUser !== user || myDevice !== device) && // either different user or if me user, not this device
(device === 0 || !!keyIndex) // ensure that "key-index" is specified for "non-zero" devices, produces a bad req otherwise
) {
extracted.push({ user, device })
}
}
}