Walleby/Bitvault/CreateVaultHandler.cs

using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System.Text;
using Toolkit.Foundation;

namespace Bitvault;

public class CreateVaultHandler(IVaultComponentFactory componentFactory) :
    IHandler<Create<Vault>, bool>
{
    public async Task<bool> Handle(Create<Vault> args, 
        CancellationToken cancellationToken)
    {
        if (args.Value is Vault vault && vault.Name is { Length: > 0 } name &&
            vault.Password is { Length: > 0 } password)
        {
            if (componentFactory.Create(name) is IComponentHost host)
            {
                IVaultKeyFactory keyVaultFactory = host.Services.GetRequiredService<IVaultKeyFactory>();
                IContainer<VaultKey> vaultKeyContainer = host.Services.GetRequiredService<IContainer<VaultKey>>();
                IVaultStorage vaultStorage = host.Services.GetRequiredService<IVaultStorage>();

                VaultKey key = keyVaultFactory.Create(Encoding.UTF8.GetBytes(password));
                vaultKeyContainer.Set(key);

                if (await vaultStorage.CreateAsync(name, key))
                {
                    IWritableConfiguration<VaultConfiguration> configuration =
                        host.Services.GetRequiredService<IWritableConfiguration<VaultConfiguration>>();

                    configuration.Write(args => args.Key = $"{Convert.ToBase64String(key.Salt)}:{Convert.ToBase64String(key.EncryptedKey)}:{Convert.ToBase64String(key.DecryptedKey)}");
                    host.Start();

                    return true;
                }
            }
        }

        return false;
    }
}