Add attribute and middleware for permissions autirization.

AsbCloudWebApi/Middlewares/PermissionsMiddlware.cs

@@ -0,0 +1,56 @@
+using AsbCloudApp.Services;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace AsbCloudWebApi.Middlewares
+{
+    public class PermissionsMiddlware
+    {
+        private readonly RequestDelegate next;
+
+        public PermissionsMiddlware(RequestDelegate next)
+        {
+            this.next = next;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            var endpoint = context.GetEndpoint();
+            var permission = endpoint?.Metadata.GetMetadata<PermissionAttribute>();
+            if (permission is null)
+            {
+                await next(context);
+                return;
+            }
+
+            var idUser = context.User.GetUserId();
+            if (idUser is null)
+            {
+                await context.ForbidAsync();
+                return;
+            }
+
+            var permissionName = permission.Name;
+            if (string.IsNullOrEmpty(permissionName))
+                permissionName = endpoint.Metadata
+                    .GetMetadata<Microsoft.AspNetCore.Mvc.Controllers.ControllerActionDescriptor>()
+                    ?.ControllerName
+                    .ToLower();
+
+            var permissionMask = permission.Mask;
+            var userService = context.RequestServices.GetRequiredService<IUserService>();
+            var isAuthorized = userService.HasPermission((int)idUser, permissionName, permissionMask);
+
+            if(isAuthorized)
+                await next?.Invoke(context);
+            else
+                await context.ForbidAsync();
+        }
+    }
+}

AsbCloudWebApi/PermissionAttribute.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+
+namespace AsbCloudWebApi
+{
+    public static class CommonMasks
+    {
+        public const int Get = 1;
+        public const int Edit = 1 << 1;
+        public const int Delete = 1 << 15;
+        public const int Any = -1;
+        public const int Bit_00 = 1;
+        public const int Bit_01 = 1 << 1;
+        public const int Bit_02 = 1 << 2;
+        public const int Bit_03 = 1 << 3;
+        public const int Bit_04 = 1 << 4;
+        public const int Bit_05 = 1 << 5;
+        public const int Bit_06 = 1 << 6;
+        public const int Bit_07 = 1 << 7;
+        public const int Bit_08 = 1 << 8;
+        public const int Bit_09 = 1 << 9;
+        public const int Bit_10 = 1 << 10;
+        public const int Bit_11 = 1 << 11;
+        public const int Bit_12 = 1 << 12;
+        public const int Bit_13 = 1 << 13;
+        public const int Bit_14 = 1 << 14;
+        public const int Bit_15 = 1 << 15;
+        public const int Bit_16 = 1 << 16;
+        public const int Bit_17 = 1 << 17;
+        public const int Bit_18 = 1 << 18;
+        public const int Bit_19 = 1 << 19;
+        public const int Bit_20 = 1 << 20;
+        public const int Bit_21 = 1 << 21;
+        public const int Bit_22 = 1 << 22;
+        public const int Bit_23 = 1 << 23;
+        public const int Bit_24 = 1 << 24;
+        public const int Bit_25 = 1 << 25;
+        public const int Bit_26 = 1 << 26;
+        public const int Bit_27 = 1 << 27;
+        public const int Bit_28 = 1 << 28;
+        public const int Bit_29 = 1 << 29;
+        public const int Bit_30 = 1 << 30;
+        public const int Bit_31 = 1 << 31;
+    }
+
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    public class PermissionAttribute : Attribute
+    {
+        public static SortedSet<string> Registered { get; } = new SortedSet<string>();
+
+        public string Name { get; set; }
+        public int Mask { get; set; }
+
+        /// <summary>
+        /// Проверка наличия у пользователя разрешения.
+        /// </summary>
+        /// <param name="name">Имя разрешения (default = controllerName)</param>
+        /// <param name="mask">Маска проверки по "И" (default = Any(-1))</param>
+        public PermissionAttribute(string name = default, int mask = -1)
+        {
+            Name = name;
+            Mask = mask;
+            Registered.Add(name);
+        }
+    }
+}

AsbCloudWebApi/Startup.cs

@@ -81,6 +81,7 @@ namespace AsbCloudWebApi
             app.UseAuthentication();
             app.UseAuthorization();
 
+            app.UseMiddleware<PermissionsMiddlware>();
             app.UseMiddleware<SimplifyExceptionsMiddleware>();
             app.UseMiddleware<RequerstTrackerMiddleware>();