New: Use native dotnet host and DryIoc

src/Readarr.Http/Authentication/UiAuthorizationPolicyProvider.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.Extensions.Options;
+using NzbDrone.Core.Configuration;
+
+namespace NzbDrone.Http.Authentication
+{
+    public class UiAuthorizationPolicyProvider : IAuthorizationPolicyProvider
+    {
+        private const string POLICY_NAME = "UI";
+        private readonly IConfigFileProvider _config;
+
+        public DefaultAuthorizationPolicyProvider FallbackPolicyProvider { get; }
+
+        public UiAuthorizationPolicyProvider(IOptions<AuthorizationOptions> options,
+            IConfigFileProvider config)
+        {
+            FallbackPolicyProvider = new DefaultAuthorizationPolicyProvider(options);
+            _config = config;
+        }
+
+        public Task<AuthorizationPolicy> GetDefaultPolicyAsync() => FallbackPolicyProvider.GetDefaultPolicyAsync();
+
+        public Task<AuthorizationPolicy> GetFallbackPolicyAsync() => FallbackPolicyProvider.GetFallbackPolicyAsync();
+
+        public Task<AuthorizationPolicy> GetPolicyAsync(string policyName)
+        {
+            if (policyName.Equals(POLICY_NAME, StringComparison.OrdinalIgnoreCase))
+            {
+                var policy = new AuthorizationPolicyBuilder(_config.AuthenticationMethod.ToString())
+                    .RequireAuthenticatedUser();
+                return Task.FromResult(policy.Build());
+            }
+
+            return FallbackPolicyProvider.GetPolicyAsync(policyName);
+        }
+    }
+}