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feat: native-mobile-api

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This commit is contained in:
SamuelScheit
2023-04-20 13:01:11 +02:00
parent 28be45a9b4
commit ef673f62ca
17 changed files with 940 additions and 74 deletions
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35
src/Utils/noise-handler.ts
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@@ -1,7 +1,7 @@
import { Boom } from '@hapi/boom'
import { Logger } from 'pino'
import { proto } from '../../WAProto'
import { NOISE_MODE, NOISE_WA_HEADER, WA_CERT_DETAILS } from '../Defaults'
import { NOISE_MODE, WA_CERT_DETAILS } from '../Defaults'
import { KeyPair } from '../Types'
import { BinaryNode, decodeBinaryNode } from '../WABinary'
import { aesDecryptGCM, aesEncryptGCM, Curve, hkdf, sha256 } from './crypto'
@@ -13,10 +13,17 @@ const generateIV = (counter: number) => {
return new Uint8Array(iv)
}
export const makeNoiseHandler = (
{ public: publicKey, private: privateKey }: KeyPair,
export const makeNoiseHandler = ({
keyPair: { private: privateKey, public: publicKey },
NOISE_HEADER,
mobile,
logger,
}: {
keyPair: KeyPair
NOISE_HEADER: Uint8Array
mobile: boolean
logger: Logger
) => {
}) => {
logger = logger.child({ class: 'ns' })
const authenticate = (data: Uint8Array) => {
@@ -86,7 +93,7 @@ export const makeNoiseHandler = (
let inBytes = Buffer.alloc(0)
authenticate(NOISE_WA_HEADER)
authenticate(NOISE_HEADER)
authenticate(publicKey)
return {
@@ -103,12 +110,18 @@ export const makeNoiseHandler = (
mixIntoKey(Curve.sharedKey(privateKey, decStaticContent))
const certDecoded = decrypt(serverHello!.payload!)
const { intermediate: certIntermediate } = proto.CertChain.decode(certDecoded)
const { issuerSerial } = proto.CertChain.NoiseCertificate.Details.decode(certIntermediate!.details!)
if(mobile) {
const cert = proto.CertChain.NoiseCertificate.decode(certDecoded)
logger.debug(cert)
} else {
const { intermediate: certIntermediate } = proto.CertChain.decode(certDecoded)
if(issuerSerial !== WA_CERT_DETAILS.SERIAL) {
throw new Boom('certification match failed', { statusCode: 400 })
const { issuerSerial } = proto.CertChain.NoiseCertificate.Details.decode(certIntermediate!.details!)
if(issuerSerial !== WA_CERT_DETAILS.SERIAL) {
throw new Boom('certification match failed', { statusCode: 400 })
}
}
const keyEnc = encrypt(noiseKey.public)
@@ -121,11 +134,11 @@ export const makeNoiseHandler = (
data = encrypt(data)
}
const introSize = sentIntro ? 0 : NOISE_WA_HEADER.length
const introSize = sentIntro ? 0 : NOISE_HEADER.length
const frame = Buffer.alloc(introSize + 3 + data.byteLength)
if(!sentIntro) {
frame.set(NOISE_WA_HEADER)
frame.set(NOISE_HEADER)
sentIntro = true
}