Provide NoResult instead of Fail in CustomAuthenticationHandler

Jellyfin.Api/Auth/CustomAuthenticationHandler.cs

@@ -1,4 +1,5 @@
 using System.Globalization;
+using System.Linq;
 using System.Security.Claims;
 using System.Text.Encodings.Web;
 using System.Threading.Tasks;
@@ -7,6 +8,7 @@ using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Net;
 using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 
@@ -18,6 +20,7 @@ namespace Jellyfin.Api.Auth
     public class CustomAuthenticationHandler : AuthenticationHandler<AuthenticationSchemeOptions>
     {
         private readonly IAuthService _authService;
+        private readonly ILogger<CustomAuthenticationHandler> _logger;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="CustomAuthenticationHandler" /> class.
@@ -35,6 +38,7 @@ namespace Jellyfin.Api.Auth
             ISystemClock clock) : base(options, logger, encoder, clock)
         {
             _authService = authService;
+            _logger = logger.CreateLogger<CustomAuthenticationHandler>();
         }
 
         /// <inheritdoc />
@@ -70,11 +74,13 @@ namespace Jellyfin.Api.Auth
             }
             catch (AuthenticationException ex)
             {
-                return Task.FromResult(AuthenticateResult.Fail(ex));
+                _logger.LogDebug(ex, "Error authenticating with {Handler}", nameof(CustomAuthenticationHandler));
+                return Task.FromResult(AuthenticateResult.NoResult());
             }
             catch (SecurityException ex)
             {
-                return Task.FromResult(AuthenticateResult.Fail(ex));
+                _logger.LogDebug(ex, "Error authenticating with {Handler}", nameof(CustomAuthenticationHandler));
+                return Task.FromResult(AuthenticateResult.NoResult());
             }
         }
     }

tests/Jellyfin.Api.Tests/Auth/CustomAuthenticationHandlerTests.cs

@@ -69,7 +69,7 @@ namespace Jellyfin.Api.Tests.Auth
         }
 
         [Fact]
-        public async Task HandleAuthenticateAsyncShouldFailOnAuthenticationException()
+        public async Task HandleAuthenticateAsyncShouldProvideNoResultOnAuthenticationException()
         {
             var errorMessage = _fixture.Create<string>();
 
@@ -81,7 +81,7 @@ namespace Jellyfin.Api.Tests.Auth
             var authenticateResult = await _sut.AuthenticateAsync();
 
             Assert.False(authenticateResult.Succeeded);
-            Assert.Equal(errorMessage, authenticateResult.Failure?.Message);
+            Assert.True(authenticateResult.None);
         }
 
         [Fact]