using System; using System.Collections.Generic; using System.Security.Claims; using System.Text.Encodings.Web; using System.Threading.Tasks; using leetcoin_api; using Microsoft.AspNetCore.Authentication; using Microsoft.AspNetCore.Http; using Microsoft.Extensions.DependencyInjection.Extensions; using Microsoft.Extensions.Logging; using Microsoft.Extensions.Options; namespace Microsoft.Extensions.DependencyInjection { public static class FakeAuthenticationExtensions { public static AuthenticationBuilder AddFakeAuthentication(this AuthenticationBuilder builder) => builder.AddFakeAuthentication(FakeAuthenticationDefaults.AuthenticationScheme, _ => { }); public static AuthenticationBuilder AddFakeAuthentication(this AuthenticationBuilder builder, Action configureOptions) => builder.AddFakeAuthentication(FakeAuthenticationDefaults.AuthenticationScheme, configureOptions); public static AuthenticationBuilder AddFakeAuthentication(this AuthenticationBuilder builder, string authenticationScheme, Action configureOptions) => builder.AddFakeAuthentication(authenticationScheme, displayName: null, configureOptions: configureOptions); public static AuthenticationBuilder AddFakeAuthentication(this AuthenticationBuilder builder, string authenticationScheme, string displayName, Action configureOptions) { builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton, FakeAuthenticationPostConfigureOptions>()); return builder.AddScheme(authenticationScheme, displayName, configureOptions); } } } namespace leetcoin_api { public static class FakeAuthenticationDefaults { public const string AuthenticationScheme = "FakeAUTH"; } public class FakeAuthenticationOptions : AuthenticationSchemeOptions { public IEnumerable Claims { get; set; } } public class FakeAuthenticationPostConfigureOptions : IPostConfigureOptions { public void PostConfigure(string name, FakeAuthenticationOptions options) { // } } public class FakeAuthenticationValidatedContext : ResultContext { public FakeAuthenticationValidatedContext(HttpContext context, AuthenticationScheme scheme, FakeAuthenticationOptions options) : base(context, scheme, options) { } } public class FakeAuthenticationHandler : AuthenticationHandler { public FakeAuthenticationHandler(IOptionsMonitor options, ILoggerFactory logger, UrlEncoder encoder, ISystemClock clock) : base(options, logger, encoder, clock) { } protected override Task HandleAuthenticateAsync() { var claims = Options.Claims ?? new Claim[] { new Claim("name", "Fake user") }; var claimsPrincipal = new ClaimsPrincipal(new ClaimsIdentity[]{ new ClaimsIdentity(claims, FakeAuthenticationDefaults.AuthenticationScheme) }); var properties = new AuthenticationProperties() { ExpiresUtc = DateTime.Now.AddYears(1) }; var authenticationTicket = new AuthenticationTicket(claimsPrincipal, properties, FakeAuthenticationDefaults.AuthenticationScheme); var context = new FakeAuthenticationValidatedContext(Context, Scheme, Options); context.Principal = claimsPrincipal; context.Success(); return Task.FromResult(context.Result); } } }

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