| | | 1 | | using ArturRios.Util.WebApi.Security.Authentication; |
| | | 2 | | using ArturRios.Util.WebApi.Security.Configuration; |
| | | 3 | | using ArturRios.Util.WebApi.Security.Interfaces; |
| | | 4 | | using ArturRios.Util.WebApi.Security.Providers; |
| | | 5 | | using Microsoft.Extensions.Caching.Memory; |
| | | 6 | | using Microsoft.Extensions.DependencyInjection; |
| | | 7 | | using Microsoft.Extensions.DependencyInjection.Extensions; |
| | | 8 | | |
| | | 9 | | namespace ArturRios.Util.WebApi.Security.Extensions; |
| | | 10 | | |
| | | 11 | | /// <summary> |
| | | 12 | | /// Dependency-injection helpers for registering authentication providers. |
| | | 13 | | /// </summary> |
| | | 14 | | public static class AuthenticationServiceCollectionExtensions |
| | | 15 | | { |
| | | 16 | | /// <summary> |
| | | 17 | | /// Registers <typeparamref name="TProvider"/> as the underlying <see cref="IAuthenticationProvider"/> and |
| | | 18 | | /// exposes it through a <see cref="CachedAuthenticationProvider"/>, so repeated user lookups within the |
| | | 19 | | /// configured time-to-live are served from an <see cref="IMemoryCache"/> instead of the store. |
| | | 20 | | /// </summary> |
| | | 21 | | /// <typeparam name="TProvider">The concrete provider that performs the actual (e.g. database) lookup.</typeparam> |
| | | 22 | | /// <param name="services">The service collection to register into.</param> |
| | | 23 | | /// <param name="configure">Optional callback to configure caching behavior (time-to-live, negative caching).</param |
| | | 24 | | /// <returns>The same <paramref name="services"/> instance, for chaining.</returns> |
| | | 25 | | public static IServiceCollection AddCachedAuthenticationProvider<TProvider>( |
| | | 26 | | this IServiceCollection services, |
| | | 27 | | Action<CachedAuthenticationProviderOptions>? configure = null) |
| | | 28 | | where TProvider : class, IAuthenticationProvider |
| | 1 | 29 | | { |
| | 1 | 30 | | services.AddMemoryCache(); |
| | 1 | 31 | | services.AddScoped<TProvider>(); |
| | | 32 | | |
| | 1 | 33 | | var options = new CachedAuthenticationProviderOptions(); |
| | 1 | 34 | | configure?.Invoke(options); |
| | | 35 | | |
| | 1 | 36 | | services.AddScoped<IAuthenticationProvider>(serviceProvider => |
| | 2 | 37 | | new CachedAuthenticationProvider( |
| | 2 | 38 | | serviceProvider.GetRequiredService<TProvider>(), |
| | 2 | 39 | | serviceProvider.GetRequiredService<IMemoryCache>(), |
| | 2 | 40 | | options)); |
| | | 41 | | |
| | 1 | 42 | | return services; |
| | 1 | 43 | | } |
| | | 44 | | |
| | | 45 | | /// <summary> |
| | | 46 | | /// Registers the consolidated <see cref="AuthenticationOptions"/> and the enabled token validators used by |
| | | 47 | | /// <c>AuthenticationMiddleware</c>. Validators are registered app-JWT first, Google second, so the middleware |
| | | 48 | | /// tries them in that order. The app must separately register <c>JwtConfiguration</c> and <c>JwtHandler</c> |
| | | 49 | | /// (for JWT) and an <see cref="IAuthenticationProvider"/> (required for Google and for JWT <c>Revalidate</c> mode). |
| | | 50 | | /// </summary> |
| | | 51 | | /// <param name="services">The service collection to register into.</param> |
| | | 52 | | /// <param name="configure">Configures the options.</param> |
| | | 53 | | /// <exception cref="ArgumentException">No scheme enabled, or Google enabled without any client IDs.</exception> |
| | | 54 | | public static IServiceCollection AddTokenAuthentication( |
| | | 55 | | this IServiceCollection services, Action<AuthenticationOptions> configure) |
| | 4 | 56 | | { |
| | 4 | 57 | | var options = new AuthenticationOptions(); |
| | 4 | 58 | | configure(options); |
| | | 59 | | |
| | 4 | 60 | | if (!options.EnableJwt && !options.EnableGoogle) |
| | 1 | 61 | | { |
| | 1 | 62 | | throw new ArgumentException("At least one authentication scheme (JWT or Google) must be enabled."); |
| | | 63 | | } |
| | | 64 | | |
| | 3 | 65 | | if (options.EnableGoogle && options.GoogleClientIds.Count == 0) |
| | 1 | 66 | | { |
| | 1 | 67 | | throw new ArgumentException("EnableGoogle requires at least one entry in GoogleClientIds."); |
| | | 68 | | } |
| | | 69 | | |
| | 2 | 70 | | services.AddSingleton(options); |
| | | 71 | | |
| | 2 | 72 | | if (options.EnableJwt) |
| | 2 | 73 | | { |
| | 2 | 74 | | services.AddSingleton<ITokenValidator, JwtTokenValidator>(); |
| | 2 | 75 | | } |
| | | 76 | | |
| | 2 | 77 | | if (options.EnableGoogle) |
| | 1 | 78 | | { |
| | 1 | 79 | | services.TryAddSingleton<IGoogleTokenVerifier, GoogleTokenVerifier>(); |
| | 1 | 80 | | services.AddSingleton<ITokenValidator, GoogleTokenValidator>(); |
| | 1 | 81 | | } |
| | | 82 | | |
| | 2 | 83 | | return services; |
| | 2 | 84 | | } |
| | | 85 | | } |