Handle the case where `DynamicClaims` is empty.

framework/src/Volo.Abp.AspNetCore.Mvc.Client.Common/Volo/Abp/AspNetCore/Mvc/Client/RemoteDynamicClaimsPrincipalContributor.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Security.Claims;
 using System.Security.Principal;
@@ -39,6 +40,11 @@ public class RemoteDynamicClaimsPrincipalContributor : AbpDynamicClaimsPrincipal
             return;
         }
 
+        if (dynamicClaims.Claims.IsNullOrEmpty())
+        {
+            return;
+        }
+
         await AddDynamicClaimsAsync(context, identity, dynamicClaims.Claims);
     }
 }

framework/src/Volo.Abp.AspNetCore.Mvc.Client.Common/Volo/Abp/AspNetCore/Mvc/Client/RemoteDynamicClaimsPrincipalContributorCache.cs

@@ -62,11 +62,11 @@ public class RemoteDynamicClaimsPrincipalContributorCache : ITransientDependency
         }
 
         dynamicClaims = await Cache.GetAsync(AbpDynamicClaimCacheItem.CalculateCacheKey(userId, tenantId));
-        if (dynamicClaims == null || dynamicClaims.Claims.IsNullOrEmpty())
+        if (dynamicClaims == null)
         {
             throw new AbpException($"Failed to refresh remote claims for user: {userId}");
         }
 
-        return dynamicClaims!;
+        return dynamicClaims;
     }
 }

modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityDynamicClaimsPrincipalContributor.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Linq;
 using System.Security.Claims;
 using System.Security.Principal;
@@ -34,6 +35,11 @@ public class IdentityDynamicClaimsPrincipalContributor : AbpDynamicClaimsPrincip
             return;
         }
 
+        if (dynamicClaims.Claims.IsNullOrEmpty())
+        {
+            return;
+        }
+
         await AddDynamicClaimsAsync(context, identity, dynamicClaims.Claims);
     }
 }

modules/identity/src/Volo.Abp.Identity.Domain/Volo/Abp/Identity/IdentityDynamicClaimsPrincipalContributorCache.cs

@@ -47,6 +47,17 @@ public class IdentityDynamicClaimsPrincipalContributorCache : ITransientDependen
     {
         Logger.LogDebug($"Get dynamic claims cache for user: {userId}");
 
+        if (AbpClaimsPrincipalFactoryOptions.Value.DynamicClaims.IsNullOrEmpty())
+        {
+            var emptyCacheItem = new AbpDynamicClaimCacheItem();
+            await Cache.SetAsync(AbpDynamicClaimCacheItem.CalculateCacheKey(userId, tenantId), emptyCacheItem, new DistributedCacheEntryOptions
+            {
+                AbsoluteExpirationRelativeToNow = CacheOptions.Value.CacheAbsoluteExpiration
+            });
+
+            return emptyCacheItem;
+        }
+
         return await Cache.GetOrAddAsync(AbpDynamicClaimCacheItem.CalculateCacheKey(userId, tenantId), async () =>
         {
             using (CurrentTenant.Change(tenantId))