Files
git.stella-ops.org/src/StellaOps.Cryptography.DependencyInjection/CryptoServiceCollectionExtensions.cs

59 lines
2.2 KiB
C#

using System;
using System.Collections.Generic;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Options;
using StellaOps.Cryptography;
namespace StellaOps.Cryptography.DependencyInjection;
/// <summary>
/// Dependency injection helpers for registering StellaOps cryptography services.
/// </summary>
public static class CryptoServiceCollectionExtensions
{
/// <summary>
/// Registers the default crypto provider and registry.
/// </summary>
/// <param name="services">Service collection.</param>
/// <param name="configureRegistry">Optional registry ordering configuration.</param>
/// <param name="configureProvider">Optional provider-level configuration (e.g. key registration).</param>
/// <returns>The service collection.</returns>
public static IServiceCollection AddStellaOpsCrypto(
this IServiceCollection services,
Action<CryptoProviderRegistryOptions>? configureRegistry = null,
Action<DefaultCryptoProvider>? configureProvider = null)
{
ArgumentNullException.ThrowIfNull(services);
if (configureRegistry is not null)
{
services.Configure(configureRegistry);
}
services.TryAddSingleton<DefaultCryptoProvider>(sp =>
{
var provider = new DefaultCryptoProvider();
configureProvider?.Invoke(provider);
return provider;
});
services.TryAddEnumerable(ServiceDescriptor.Singleton<ICryptoProvider, DefaultCryptoProvider>());
#if STELLAOPS_CRYPTO_SODIUM
services.TryAddSingleton<LibsodiumCryptoProvider>();
services.TryAddEnumerable(ServiceDescriptor.Singleton<ICryptoProvider, LibsodiumCryptoProvider>());
#endif
services.TryAddSingleton<ICryptoProviderRegistry>(sp =>
{
var providers = sp.GetServices<ICryptoProvider>();
var options = sp.GetService<IOptions<CryptoProviderRegistryOptions>>();
IEnumerable<string>? preferred = options?.Value?.PreferredProviders;
return new CryptoProviderRegistry(providers, preferred);
});
return services;
}
}