Kiseki
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launcher
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feat: implement licenses

This commit is contained in:
rjindael 2023-07-31 05:00:54 -07:00
parent 98abb0566b
commit 9f75a83c6b
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3 changed files with 64 additions and 13 deletions
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4
Kiseki.Launcher.Windows/Kiseki.Launcher.Windows.csproj
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@ -45,4 +45,8 @@
<ItemGroup>
<Compile Include="..\Kiseki.Launcher\**\*.cs" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Syroot.Windows.IO.KnownFolders" Version="1.3.0" />
</ItemGroup>
</Project>

43
Kiseki.Launcher.Windows/Launcher.cs
View File

@ -2,6 +2,8 @@ using System.Reflection;
using Microsoft.Win32;
using Syroot.Windows.IO;
namespace Kiseki.Launcher.Windows
{
public class Launcher : ILauncher
@ -24,10 +26,20 @@ namespace Kiseki.Launcher.Windows
else
{
// We are in maintenance mode, so let's ask for a license.
AskForLicense(Directories.License);
Web.LoadLicense(File.ReadAllText(Directories.License));
if (!File.Exists(Directories.License))
{
AskForLicense(Directories.License);
}
// ... load the license ...
while (!Web.LoadLicense(File.ReadAllText(Directories.License)))
{
// ... and if it's invalid, keep asking for a new one.
File.Delete(Directories.License);
AskForLicense(Directories.License, false);
}
// ... try this again;
// ... and then try this again;
Install();
}
}
@ -35,21 +47,27 @@ namespace Kiseki.Launcher.Windows
// okay, now download the launcher from the Kiseki website...
}
private static void AskForLicense(string licensePath)
private static void AskForLicense(string licensePath, bool showDialog = true)
{
using OpenFileDialog dialog = new()
DialogResult answer = showDialog ? MessageBox.Show($"{Constants.ProjectName} is currently under maintenance and requires a license in order to access games. Would you like to look for the license file now?", Constants.ProjectName, MessageBoxButtons.YesNo, MessageBoxIcon.Warning) : DialogResult.Yes;
if (answer == DialogResult.Yes)
{
Title = "Select your license file",
Filter = "License files (*.bin)|*.bin",
InitialDirectory = Directories.Base
};
using OpenFileDialog dialog = new()
{
Title = "Select your license file",
Filter = "License files (*.bin)|*.bin",
InitialDirectory = KnownFolders.Downloads.Path
};
if (dialog.ShowDialog() == DialogResult.OK)
{
File.Copy(dialog.FileName, licensePath, true);
if (dialog.ShowDialog() == DialogResult.OK)
{
File.Copy(dialog.FileName, licensePath, true);
}
}
}
// TODO: Implement this
public static void Register()
{
using (RegistryKey applicationKey = Registry.CurrentUser.CreateSubKey($@"Software\{Constants.ProjectName}"))
@ -76,6 +94,7 @@ namespace Kiseki.Launcher.Windows
uninstallKey.SetValue("URLUpdateInfo", $"https://github.com/{Constants.ProjectRepository}/releases/latest");
}
// TODO: Implement this
public static void Unregister()
{
Registry.CurrentUser.DeleteSubKey($@"Software\{Constants.ProjectName}");

30
Kiseki.Launcher/Web.cs
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@ -1,3 +1,6 @@
using System.Net;
using System.Text.Json;
namespace Kiseki.Launcher
{
public static class Web
@ -23,11 +26,36 @@ namespace Kiseki.Launcher
return response is null ? RESPONSE_FAILURE : response.Status;
}
public static void LoadLicense(string license)
public static bool LoadLicense(string license)
{
CurrentUrl = $"{MaintenanceDomain}.{CurrentUrl}";
// the "license" is actually just headers required to access the website.
// this can be cloudflare zero-trust headers (like what Kiseki does), or however
// else you'd like to do auth-walls. either way; it's just a JSON document that
// has each byte XORed by 55 (for some basic obfuscation).
try
{
string json = "";
for (int i = 0; i < license.Length; i++)
{
json += (char)(license[i] ^ 55);
}
var headers = JsonSerializer.Deserialize<Dictionary<string, string>>(json)!;
for (int i = 0; i < headers.Count; i++)
{
HttpClient.DefaultRequestHeaders.Add(headers.ElementAt(i).Key, headers.ElementAt(i).Value);
}
}
catch
{
MessageBox.Show($"Corrupt license file! Please verify the contents of your license file (it should be named \"license.bin\".)", Constants.ProjectName, MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
return true;
}
}
}