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Add LaunchSignature and ClientLaunchId to XSuperProperties

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This commit is contained in:
AlmightyLks 2026-03-16 18:00:17 +01:00
parent 2342efcfaa
commit ed998df069
1 changed files with 25 additions and 2 deletions
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27
DiscordChatExporter.Core/Discord/DiscordClient.cs
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@ -1,4 +1,5 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
@ -25,7 +26,9 @@ internal partial class XSuperPropertiesJsonContext : JsonSerializerContext;
internal sealed record XSuperProperties(
[property: JsonPropertyName("os")] string OperatingSystem,
[property: JsonPropertyName("client_build_number")] string ClientBuildNumber
[property: JsonPropertyName("client_build_number")] string ClientBuildNumber,
[property: JsonPropertyName("client_launch_id")] Guid ClientLaunchId,
[property: JsonPropertyName("launch_signature")] Guid LaunchSignature
);
public class DiscordClient(
@ -38,6 +41,21 @@ public class DiscordClient(
private static string? _xSuperPropertiesHeader;
private static Guid GenerateLaunchSignature()
{
var bytes = Guid.NewGuid().ToByteArray();
var bits = new BitArray(bytes);
// Clear the mod-detection bits
int[] bitPositions = [119, 108, 100, 91, 84, 75, 61, 55, 48, 38, 24, 11];
foreach (int bit in bitPositions)
bits[bit] = false;
bits.CopyTo(bytes, 0);
return new Guid(bytes);
}
// We could generate a random UserAgent. However, that way we could run into issues where certain older or newer versions
// and certain browsers could trigger experimental or unsupported features on Discord's site, resulting in the requests potentially failing,
// creating impossible to replicate issues for users
@ -56,7 +74,12 @@ public class DiscordClient(
// https://github.com/greg6775/Discord-Api-Endpoints/blob/master/README.md
// https://docs.discord.food/reference#client-properties
var json = JsonSerializer.Serialize(
new XSuperProperties("Linux", buildNumber), // Operating System based on UserAgent
new XSuperProperties(
OperatingSystem: "Linux", // Operating System based on UserAgent
ClientBuildNumber: buildNumber,
ClientLaunchId: Guid.NewGuid(),
LaunchSignature: GenerateLaunchSignature()
),
XSuperPropertiesJsonContext.Default.XSuperProperties
);