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Remove backwards compatibility code

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- Remove timestamp conversion for old clients (seconds vs milliseconds)
- Remove fallback for old favorite checking method
- All clients must now use millisecond timestamps
- Simplifies codebase and reduces potential bugs
This commit is contained in:
jack
2025-07-04 15:49:01 +02:00
parent 38a7ba07ee
commit aa8fe7527a
1 changed files with 2 additions and 27 deletions
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bitchat/Services/BluetoothMeshService.swift
+2 -27
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@@ -804,19 +804,9 @@ class BluetoothMeshService: NSObject {
}
// Create stored message with original packet timestamp preserved
// Handle both seconds and milliseconds timestamps
let timestampInSeconds: TimeInterval
if packet.timestamp > 1_000_000_000_000 {
// Already in milliseconds
timestampInSeconds = TimeInterval(packet.timestamp) / 1000.0
} else {
// Already in seconds
timestampInSeconds = TimeInterval(packet.timestamp)
}
let storedMessage = StoredMessage(
packet: packet,
timestamp: Date(timeIntervalSince1970: timestampInSeconds),
timestamp: Date(timeIntervalSince1970: TimeInterval(packet.timestamp) / 1000.0), // convert from milliseconds
messageID: messageID,
isForFavorite: isForFavorite
)
@@ -1053,18 +1043,7 @@ class BluetoothMeshService: NSObject {
// Replay attack protection: Check timestamp is within reasonable window (5 minutes)
let currentTime = UInt64(Date().timeIntervalSince1970 * 1000) // milliseconds
// Handle both seconds and milliseconds timestamps for compatibility
let packetTime: UInt64
if packet.timestamp > 1_000_000_000_000 {
// Already in milliseconds
packetTime = packet.timestamp
} else {
// Convert seconds to milliseconds
packetTime = packet.timestamp * 1000
}
let timeDiff = abs(Int64(currentTime) - Int64(packetTime))
let timeDiff = abs(Int64(currentTime) - Int64(packet.timestamp))
if timeDiff > 300000 { // 5 minutes in milliseconds
print("[SECURITY] Dropping packet with timestamp too far from current time: \(timeDiff/1000) seconds")
return
@@ -1420,10 +1399,6 @@ class BluetoothMeshService: NSObject {
// Favorite came online
self.sendCachedMessages(to: senderID)
}
} else if let viewModel = self.delegate as? ChatViewModel,
viewModel.isFavorite(peerID: senderID) {
// Fallback for backwards compatibility
NotificationService.shared.sendFavoriteOnlineNotification(nickname: nickname)
}
}
}