mirror of
https://github.com/permissionlesstech/bitchat.git
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IslamandGitHub
6a6504c6f2
* Extract BitchatMessage into a separate file * Convert `fromBinaryPayload` to `convenience init?` * Extract message dedup into an extension * Remove dead `formatMessageContent` * Minor refactor of timestamp and username formatting * Remove dead `getSenderColor` * Extract MessagePadding into a separate file * Extract BitchatPacket into a separate file * Extract ReadReceipt into a separate file * Extract NoisePayload into a separate file * Remove unnecessary import
42 lines
1.1 KiB
Swift
42 lines
1.1 KiB
Swift
//
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// NoisePayload.swift
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// bitchat
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//
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// This is free and unencumbered software released into the public domain.
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// For more information, see <https://unlicense.org>
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//
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import Foundation
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/// Helper to create typed Noise payloads
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struct NoisePayload {
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let type: NoisePayloadType
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let data: Data
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/// Encode payload with type prefix
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func encode() -> Data {
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var encoded = Data()
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encoded.append(type.rawValue)
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encoded.append(data)
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return encoded
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}
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/// Decode payload from data
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static func decode(_ data: Data) -> NoisePayload? {
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// Ensure we have at least 1 byte for the type
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guard !data.isEmpty else {
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return nil
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}
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// Safely get the first byte
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let firstByte = data[data.startIndex]
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guard let type = NoisePayloadType(rawValue: firstByte) else {
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return nil
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}
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// Create a proper Data copy (not a subsequence) for thread safety
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let payloadData = data.count > 1 ? Data(data.dropFirst()) : Data()
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return NoisePayload(type: type, data: payloadData)
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}
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}
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