ua1zbe/meshcore-sar_android
1
0
Fork 0
mirror of https://github.com/dz0ny/meshcore-sar.git synced 2026-08-11 16:30:28 +00:00
Code Issues Packages Projects Releases 1 Wiki Activity

Limit direct payload hops

Browse Source
This commit is contained in:
Janez T
2026-03-05 08:30:06 +01:00
parent 5beac70644
commit c83eaa4d98
7 changed files with 172 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
lib/providers/app_provider.dart
View File

@@ -20,6 +20,7 @@ import '../utils/image_message_parser.dart';
/// Main App Provider - coordinates all other providers
class AppProvider with ChangeNotifier {
static const int _maxDirectPayloadHops = 3;
final ConnectionProvider connectionProvider;
final ContactsProvider contactsProvider;
final MessagesProvider messagesProvider;
@@ -565,6 +566,22 @@ class AppProvider with ChangeNotifier {
debugPrint(
'⚠️ [AppProvider] Voice fetch requester contact not found',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch voice: requester contact is unknown. Add/sync contacts first.',
level: 'warning',
);
return;
}
if (requester.outPathLen > _maxDirectPayloadHops) {
debugPrint(
'⚠️ [AppProvider] Voice fetch requester too far: ${requester.outPathLen} hops',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch voice for ${requester.advName}: message is too far (${requester.outPathLen} hops, max $_maxDirectPayloadHops).',
level: 'warning',
);
return;
}
unawaited(
@@ -665,6 +682,17 @@ class AppProvider with ChangeNotifier {
senderPrefix,
);
if (requester != null) {
if (requester.outPathLen > _maxDirectPayloadHops) {
debugPrint(
'⚠️ [AppProvider] Image fetch requester too far: ${requester.outPathLen} hops',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch image for ${requester.advName}: message is too far (${requester.outPathLen} hops, max $_maxDirectPayloadHops).',
level: 'warning',
);
return;
}
unawaited(
imageProvider.serveSessionTo(
sessionId: imageFetchRequest.sessionId,
@@ -674,6 +702,15 @@ class AppProvider with ChangeNotifier {
: null,
),
);
} else {
debugPrint(
'⚠️ [AppProvider] Image fetch requester contact not found',
);
messagesProvider.logSystemMessage(
text:
'Cannot fetch image: requester contact is unknown. Add/sync contacts first.',
level: 'warning',
);
}
}
}

7
lib/providers/image_provider.dart
View File

@@ -36,6 +36,7 @@ class ImageSession {
class ImageProvider with ChangeNotifier {
static const String _storageKey = 'stored_image_sessions_v1';
static const Duration _outgoingTtl = Duration(minutes: 15);
static const int maxDirectPayloadHops = 3;
/// Incoming sessions keyed by sessionId.
final Map<String, ImageSession> _sessions = {};
@@ -190,6 +191,12 @@ class ImageProvider with ChangeNotifier {
debugPrint('⚠️ [ImageProvider] ${requester.advName} has no direct path');
return false;
}
if (requester.outPathLen > maxDirectPayloadHops) {
debugPrint(
'⚠️ [ImageProvider] ${requester.advName} is too far: ${requester.outPathLen} hops (max $maxDirectPayloadHops)',
);
return false;
}
for (final fragment in cached.fragments) {
if (requestedIndices != null &&

7
lib/providers/voice_provider.dart
View File

@@ -36,6 +36,7 @@ class VoiceSession {
/// Manages incoming voice packet sessions and coordinates playback.
class VoiceProvider with ChangeNotifier {
static const String _voiceSessionsStorageKey = 'stored_voice_sessions_v1';
static const int maxDirectPayloadHops = 3;
final VoiceCodecService _codec;
final VoicePlayerService _player;
late final StreamSubscription<void> _playerEventsSub;
@@ -161,6 +162,12 @@ class VoiceProvider with ChangeNotifier {
);
return false;
}
if (requester.outPathLen > maxDirectPayloadHops) {
debugPrint(
'⚠️ [VoiceProvider] Requester ${requester.advName} is too far: ${requester.outPathLen} hops (max $maxDirectPayloadHops)',
);
return false;
}
for (final packet in cached.packets) {
if (requestedIndices != null &&