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fix: reading qr code with hosted connection (#1520)

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* chore: change version web

* fix: enhance pairing response validation and adjust HMAC handling for hosted devices
This commit is contained in:
Wender Teixeira
2025-06-18 08:10:22 -03:00
committed by GitHub
parent b8464d3665
commit e2ce275949
1 changed files with 7 additions and 6 deletions
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13
src/Utils/validate-connection.ts
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@@ -131,23 +131,24 @@ export const configureSuccessfulPairing = (
const bizName = businessNode?.attrs.name
const jid = deviceNode.attrs.jid
const { details, hmac } = proto.ADVSignedDeviceIdentityHMAC.decode(deviceIdentityNode.content as Buffer)
// check HMAC matches
const advSign = hmacSign(details!, Buffer.from(advSecretKey, 'base64'))
const { details, hmac, accountType } = proto.ADVSignedDeviceIdentityHMAC.decode(deviceIdentityNode.content as Buffer)
const isHostedAccount = accountType !== undefined && accountType === proto.ADVEncryptionType.HOSTED
const hmacPrefix = isHostedAccount ? Buffer.from([6, 5]) : Buffer.alloc(0)
const advSign = hmacSign(Buffer.concat([hmacPrefix, details!]), Buffer.from(advSecretKey, 'base64'))
if (Buffer.compare(hmac!, advSign) !== 0) {
throw new Boom('Invalid account signature')
}
const account = proto.ADVSignedDeviceIdentity.decode(details!)
const { accountSignatureKey, accountSignature, details: deviceDetails } = account
// verify the device signature matches
const accountMsg = Buffer.concat([Buffer.from([6, 0]), deviceDetails!, signedIdentityKey.public])
if (!Curve.verify(accountSignatureKey!, accountMsg, accountSignature!)) {
throw new Boom('Failed to verify account signature')
}
// sign the details with our identity key
const deviceMsg = Buffer.concat([Buffer.from([6, 1]), deviceDetails!, signedIdentityKey.public, accountSignatureKey!])
const devicePrefix = isHostedAccount ? Buffer.from([6, 6]) : Buffer.from([6, 1])
const deviceMsg = Buffer.concat([devicePrefix, deviceDetails!, signedIdentityKey.public, accountSignatureKey!])
account.deviceSignature = Curve.sign(signedIdentityKey.private, deviceMsg)
const identity = createSignalIdentity(jid, accountSignatureKey!)