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/*
* Copyright (c) 2024 Vaughn Nugent
*
* Package: CMNext.Cli
* File: Program.cs
*
* CMNext.Cli is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 2 of the License,
* or (at your option) any later version.
*
* CMNext.Cli is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CMNext.Cli. If not, see http://www.gnu.org/licenses/.
*/
using CMNext.Cli.Settings;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Typin.Console;
using Typin.Exceptions;
using VNLib.Utils.Logging;
namespace CMNext.Cli.Security
{
public sealed class VauthRunner(AppSettings settings, IConsole console, ConsoleLogProvider logger)
{
private readonly CancellationToken cancellationToken = console.GetCancellationToken();
public async Task<IPkiCredential> GetOptTokenAsync()
{
//Load app config
AppConfig config = await settings.GetConfigAsync();
//Get vauth command
string[] vauth = config.VauthCommands.Split(" ");
logger.Verbose("Executing vauth {0} with arguments", vauth[0], vauth.Skip(1));
//Run the executable
ProcessStartInfo psi = new(vauth[0], vauth.Skip(1))
{
RedirectStandardOutput = true,
CreateNoWindow = true,
ErrorDialog = true
};
Process p = Process.Start(psi)!;
string? result = await p.StandardOutput.ReadLineAsync(cancellationToken);
logger.Verbose("vauth returned {0}", result);
//Wait for the process to exit
await p.WaitForExitAsync(cancellationToken);
if (p.ExitCode != 0)
{
throw new CommandException("vauth exited with a non-zero exit code");
}
if (string.IsNullOrWhiteSpace(result))
{
throw new CommandException("vauth did not return a token");
}
return new PkiToken(result);
}
sealed record class PkiToken(string Token) : IPkiCredential
{
public string GetToken() => Token;
}
}
}
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