duplicati/Duplicati/CommandLine/ServerUtil/Program.cs

// Copyright (C) 2025, The Duplicati Team
// https://duplicati.com, hello@duplicati.com
// 
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in 
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.

using System.CommandLine;
using System.CommandLine.Builder;
using System.CommandLine.Parsing;
using Duplicati.CommandLine.ServerUtil.Commands;
using Duplicati.Library.AutoUpdater;
using Duplicati.Library.Utility;

namespace Duplicati.CommandLine.ServerUtil;

/// <summary>
/// The entry point of the application
/// </summary>
public static class Program
{
    /// <summary>
    /// Invokes the builder
    /// </summary>
    /// <param name="args"></param>
    /// <returns>The return code</returns>
    public static async Task<int> Main(string[] args)
    {
        PreloadSettingsLoader.ConfigurePreloadSettings(ref args, PackageHelper.NamedExecutable.ServerUtil);

        var rootCmd = new RootCommand("Server CLI tool for Duplicati")
            {
                Pause.Create(),
                Resume.Create(),
                ListBackups.Create(),
                RunBackup.Create(),
                Login.Create(),
                ChangePassword.Create(),
                Logout.Create(),
                Import.Create(),
                Export.Create(),
                Health.Create(),
                IssueForeverToken.Create(),
                ServerStatus.Create()
            };

        rootCmd = SettingsBinder.AddGlobalOptions(rootCmd);

        return await new CommandLineBuilder(rootCmd)
            .UseDefaults()
            .UseExceptionHandler((ex, context) =>
            {
                OutputInterceptorBinder.Instance?.SetResult(false);
                
                if (ex is UserReportedException ure)
                {
                    OutputInterceptorBinder.Instance?.AppendExceptionMessage(ure.Message);
                    context.ExitCode = 2;
                }
                else
                {
                    OutputInterceptorBinder.Instance?.AppendExceptionMessage(ex.ToString());
                    context.ExitCode = 1;
                }

                if (OutputInterceptorBinder.Instance != null)
                {
                    OutputInterceptorBinder.Instance.ExitCode = context.ExitCode;
                    Console.WriteLine(OutputInterceptorBinder.Instance.GetSerializedResult());
                }
            })
            .AddMiddleware(async (context, next) =>
            {
                // Inject settings with custom binder
                if (context.ParseResult.CommandResult.Command is { } cmd)
                    context.BindingContext.AddService(_ => SettingsBinder.GetSettings(context.BindingContext));
                
                context.BindingContext.AddService(_ => OutputInterceptorBinder.GetConsoleInterceptor(context.BindingContext));
                
                await next(context);
                Console.WriteLine(OutputInterceptorBinder.Instance?.GetSerializedResult());
            })
            .UseAdditionalHelpAliases()
            .Build().InvokeAsync(args);
    }
}