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Bind Noise sessions to claimed peer identities

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This commit is contained in:
jack
2026-07-12 11:09:01 -04:00
parent b7f0b33d3a
commit 338c487ef9
21 changed files with 1257 additions and 244 deletions
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app/src/main/java/com/bitchat/android/mesh/BluetoothMeshService.kt
+22 -52
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@@ -217,7 +217,12 @@ class BluetoothMeshService(private val context: Context) : TransportBridgeServic
// SecurityManager delegate for key exchange notifications
securityManager.delegate = object : SecurityManagerDelegate {
override fun onKeyExchangeCompleted(peerID: String, peerPublicKeyData: ByteArray) {
override fun onKeyExchangeCompleted(
peerID: String,
authenticatedRemoteStaticKey: ByteArray,
directRelayAddress: String?,
ingressLinkID: String?
) {
// Send announcement and cached messages after key exchange
serviceScope.launch {
Log.d(TAG, "Key exchange completed with $peerID; sending follow-ups")
@@ -376,31 +381,6 @@ class BluetoothMeshService(private val context: Context) : TransportBridgeServic
}
}
override fun updatePeerIDBinding(newPeerID: String, nickname: String,
publicKey: ByteArray, previousPeerID: String?) {
Log.d(TAG, "Updating peer ID binding: $newPeerID (was: $previousPeerID) with nickname: $nickname and public key: ${publicKey.toHexString().take(16)}...")
// Update peer mapping in the PeerManager for peer ID rotation support
peerManager.addOrUpdatePeer(newPeerID, nickname)
// Store fingerprint for the peer via centralized fingerprint manager
val fingerprint = peerManager.storeFingerprintForPeer(newPeerID, publicKey)
// Index existing Nostr mapping by the new peerID if we have it
try {
com.bitchat.android.favorites.FavoritesPersistenceService.shared.findNostrPubkey(publicKey)?.let { npub ->
com.bitchat.android.favorites.FavoritesPersistenceService.shared.updateNostrPublicKeyForPeerID(newPeerID, npub)
}
} catch (_: Exception) { }
// If there was a previous peer ID, remove it to avoid duplicates
previousPeerID?.let { oldPeerID ->
peerManager.removePeer(oldPeerID)
}
Log.d(TAG, "Updated peer ID binding: $newPeerID (was: $previousPeerID), fingerprint: ${fingerprint.take(16)}...")
}
// Message operations
override fun decryptChannelMessage(encryptedContent: ByteArray, channel: String): String? {
return delegate?.decryptChannelMessage(encryptedContent, channel)
@@ -492,35 +472,25 @@ class BluetoothMeshService(private val context: Context) : TransportBridgeServic
serviceScope.launch { messageHandler.handleNoiseEncrypted(routed) }
}
override fun handleAnnounce(routed: RoutedPacket) {
serviceScope.launch {
// Process the announce
val isFirst = messageHandler.handleAnnounce(routed)
override suspend fun handleAnnounce(routed: RoutedPacket): Boolean {
val result = messageHandler.handleAnnounceWithResult(routed)
if (result !is AnnounceHandlingResult.Accepted) return false
// Map device address -> peerID based on TTL (max TTL = direct neighbor)
// Matches iOS logic: any announce with max TTL on a link defines the direct peer
val deviceAddress = routed.relayAddress
val pid = routed.peerID
if (deviceAddress != null && pid != null) {
// Check if this is a direct connection (MAX TTL)
// Note: packet.ttl is UByte, compare with AppConstants.MESSAGE_TTL_HOPS
val isDirect = routed.packet.ttl == com.bitchat.android.util.AppConstants.MESSAGE_TTL_HOPS
if (isDirect) {
// Bind or rebind this device address to the announcing peer
connectionManager.addressPeerMap[deviceAddress] = pid
Log.d(TAG, "Mapped device $deviceAddress to peer $pid (TTL=${routed.packet.ttl})")
// Mark as directly connected - refresh UI state
try { peerManager.refreshPeerList() } catch (_: Exception) { }
// Initial sync for this direct peer
try { gossipSyncManager.scheduleInitialSyncToPeer(pid, 1_000) } catch (_: Exception) { }
}
// Map device address -> peerID only after identity binding, signature, freshness,
// and peer replacement policy have all accepted the announce.
val deviceAddress = routed.relayAddress
val pid = routed.peerID
if (deviceAddress != null && pid != null) {
val isDirect = routed.packet.ttl == com.bitchat.android.util.AppConstants.MESSAGE_TTL_HOPS
if (isDirect) {
connectionManager.addressPeerMap[deviceAddress] = pid
Log.d(TAG, "Mapped device $deviceAddress to peer $pid (TTL=${routed.packet.ttl})")
try { peerManager.refreshPeerList() } catch (_: Exception) { }
try { gossipSyncManager.scheduleInitialSyncToPeer(pid, 1_000) } catch (_: Exception) { }
}
// Track for sync
try { gossipSyncManager.onPublicPacketSeen(routed.packet) } catch (_: Exception) { }
}
try { gossipSyncManager.onPublicPacketSeen(routed.packet) } catch (_: Exception) { }
return true
}
override fun handleMessage(routed: RoutedPacket) {