Worked on permission system design.

src/Volo.Abp.Identity.Web/Pages/Identity/Roles/Index.cshtml

@@ -8,10 +8,10 @@
 }
 
 @section scripts {
-    <script type="text/javascript" src="~/modules/identity/helpers/jquery.js"></script>
-    <script type="text/javascript" src="~/modules/identity/helpers/datatables.extensions.js"></script>
-    <script type="text/javascript" src="~/modules/identity/helpers/ResourceLoader.js"></script>
-    <script type="text/javascript" src="~/modules/identity/helpers/ModalManager.js"></script>
+    <script type="text/javascript" src="~/abp/helpers/jquery.js"></script>
+    <script type="text/javascript" src="~/abp/helpers/datatables.extensions.js"></script>
+    <script type="text/javascript" src="~/abp/helpers/ResourceLoader.js"></script>
+    <script type="text/javascript" src="~/abp/helpers/ModalManager.js"></script>
     <script type="text/javascript" src="~/modules/identity/views/roles/index.js"></script>
 }
 

src/Volo.Abp.Permissions/Volo/Abp/Permissions/IPermissionChecker.cs

@@ -6,7 +6,7 @@ namespace Volo.Abp.Permissions
 {
     public interface IPermissionChecker
     {
-        Task<bool> IsGrantedAsync([NotNull]string name);
+        Task<PermissionGrantInfo> CheckAsync([NotNull]string name);
 
         Task<List<PermissionGrantInfo>> GetAllAsync();
     }

src/Volo.Abp.Permissions/Volo/Abp/Permissions/IPermissionValueProvider.cs

@@ -1,5 +1,4 @@
 using System.Threading.Tasks;
-using JetBrains.Annotations;
 
 namespace Volo.Abp.Permissions
 {
@@ -7,10 +6,6 @@ namespace Volo.Abp.Permissions
     {
         string Name { get; }
 
-        //Task SetAsync([NotNull] PermissionDefinition permission, bool isGranted, [CanBeNull] string providerKey);
-
-        //Task ClearAsync([NotNull] PermissionDefinition permission, [CanBeNull] string providerKey);
-
-        Task<bool> IsGrantedAsync(PermissionDefinition permission);
+        Task<PermissionValueProviderGrantInfo> CheckAsync(PermissionDefinition permission);
     }
 }

src/Volo.Abp.Permissions/Volo/Abp/Permissions/PermissionChecker.cs

@@ -34,19 +34,11 @@ namespace Volo.Abp.Permissions
             );
         }
 
-        public virtual async Task<bool> IsGrantedAsync(string name)
+        public Task<PermissionGrantInfo> CheckAsync(string name)
         {
             var permission = PermissionDefinitionManager.Get(name);
 
-            foreach (var provider in Providers)
-            {
-                if (await provider.IsGrantedAsync(permission))
-                {
-                    return true;
-                }
-            }
-
-            return false;
+            return GetPermissionGrantInfo(permission);
         }
 
         public virtual async Task<List<PermissionGrantInfo>> GetAllAsync()
@@ -66,9 +58,10 @@ namespace Volo.Abp.Permissions
         {
             foreach (var provider in Providers)
             {
-                if (await provider.IsGrantedAsync(permission))
+                var result = await provider.CheckAsync(permission);
+                if (result.IsGranted)
                 {
-                    return new PermissionGrantInfo(permission.Name, true, provider.Name);
+                    return new PermissionGrantInfo(permission.Name, true, provider.Name, result.ProviderKey);
                 }
             }
 

src/Volo.Abp.Permissions/Volo/Abp/Permissions/PermissionCheckerExtensions.cs

@@ -0,0 +1,12 @@
+using System.Threading.Tasks;
+
+namespace Volo.Abp.Permissions
+{
+    public static class PermissionCheckerExtensions
+    {
+        public static async Task<bool> IsGrantedAsync(this IPermissionChecker permissionChecker, string name)
+        {
+            return (await permissionChecker.CheckAsync(name)).IsGranted;
+        }
+    }
+}

src/Volo.Abp.Permissions/Volo/Abp/Permissions/PermissionGrantInfo.cs

@@ -10,13 +10,16 @@ namespace Volo.Abp.Permissions
 
         public string ProviderName { get; }
 
-        public PermissionGrantInfo([NotNull] string name, bool isGranted, [CanBeNull] string providerName = null)
+        public string ProviderKey { get; }
+
+        public PermissionGrantInfo([NotNull] string name, bool isGranted, [CanBeNull] string providerName = null, [CanBeNull] string providerKey = null)
         {
             Check.NotNull(name, nameof(name));
 
             Name = name;
             IsGranted = isGranted;
             ProviderName = providerName;
+            ProviderKey = providerKey;
         }
     }
 }

src/Volo.Abp.Permissions/Volo/Abp/Permissions/PermissionValueProvider.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Threading.Tasks;
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Logging.Abstractions;
+using System.Threading.Tasks;
 using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.Permissions
@@ -10,24 +7,13 @@ namespace Volo.Abp.Permissions
     {
         public abstract string Name { get; }
 
-        public ILoggerFactory LoggerFactory { get; set; }
-
         protected IPermissionStore PermissionStore { get; }
 
-        protected ILogger Logger => _lazyLogger.Value;
-        private Lazy<ILogger> _lazyLogger => new Lazy<ILogger>(() => LoggerFactory?.CreateLogger(GetType().FullName) ?? NullLogger.Instance, true);
-
         protected PermissionValueProvider(IPermissionStore permissionStore)
         {
             PermissionStore = permissionStore;
         }
 
-        //public abstract Task<bool?> IsGrantedAsync(PermissionDefinition permission, string providerName, string providerKey);
-
-        //public abstract Task SetAsync(PermissionDefinition permission, bool isGranted, string providerKey);
-
-        //public abstract Task ClearAsync(PermissionDefinition permission, string providerKey);
-
-        public abstract Task<bool> IsGrantedAsync(PermissionDefinition permission);
+        public abstract Task<PermissionValueProviderGrantInfo> CheckAsync(PermissionDefinition permission);
     }
 }

src/Volo.Abp.Permissions/Volo/Abp/Permissions/PermissionValueProviderGrantInfo.cs

@@ -0,0 +1,19 @@
+using JetBrains.Annotations;
+
+namespace Volo.Abp.Permissions
+{
+    public class PermissionValueProviderGrantInfo
+    {
+        public static PermissionValueProviderGrantInfo NonGranted { get; } = new PermissionValueProviderGrantInfo(false);
+
+        public virtual bool IsGranted { get; }
+
+        public virtual string ProviderKey { get; }
+
+        public PermissionValueProviderGrantInfo(bool isGranted, [CanBeNull] string providerKey = null)
+        {
+            IsGranted = isGranted;
+            ProviderKey = providerKey;
+        }
+    }
+}

src/Volo.Abp.Session/Volo/Abp/Session/RolePermissionValueProvider.cs

@@ -18,22 +18,22 @@ namespace Volo.Abp.Session
             CurrentUser = currentUser;
         }
 
-        public override async Task<bool> IsGrantedAsync(PermissionDefinition permission)
+        public override async Task<PermissionValueProviderGrantInfo> CheckAsync(PermissionDefinition permission)
         {
             if (CurrentUser.Id == null || !CurrentUser.Roles.Any())
             {
-                return false;
+                return PermissionValueProviderGrantInfo.NonGranted;
             }
 
             foreach (var role in CurrentUser.Roles)
             {
                 if (await PermissionStore.IsGrantedAsync(permission.Name, Name, role))
                 {
-                    return true;
+                    return new PermissionValueProviderGrantInfo(true, role);
                 }
             }
 
-            return false;
+            return PermissionValueProviderGrantInfo.NonGranted;
         }
     }
 }

src/Volo.Abp.Session/Volo/Abp/Session/UserPermissionValueProvider.cs

@@ -17,14 +17,17 @@ namespace Volo.Abp.Session
             CurrentUser = currentUser;
         }
 
-        public override async Task<bool> IsGrantedAsync(PermissionDefinition permission)
+        public override async Task<PermissionValueProviderGrantInfo> CheckAsync(PermissionDefinition permission)
         {
             if (CurrentUser.Id == null)
             {
-                return false;
+                return PermissionValueProviderGrantInfo.NonGranted;
             }
 
-            return await PermissionStore.IsGrantedAsync(permission.Name, Name, CurrentUser.Id.Value.ToString());
+            return new PermissionValueProviderGrantInfo(
+                await PermissionStore.IsGrantedAsync(permission.Name, Name, CurrentUser.Id.Value.ToString()),
+                CurrentUser.Id.ToString()
+            );
         }
     }
 }