feat(api): аутентификация и авторизация. Кастомные ParrAuthenticationHandler и BaseSimpleRoleProvider.

PARR.API/Authentication/Models/UserCache.cs

@@ -0,0 +1,8 @@
+namespace PARR.API.Authentication.Models
+{
+    public class UserCache
+    {
+        public required string UserIp { get; set; }
+        public List<UserRoleInCache> Roles { get; set; } = new List<UserRoleInCache>();
+    }
+}

PARR.API/Authentication/Models/UserRoleInCache.cs

@@ -0,0 +1,8 @@
+namespace PARR.API.Authentication.Models
+{
+    public class UserRoleInCache
+    {
+        public required string Name { get; set; }
+        public required string Description { get; set; }
+    }
+}

PARR.API/Authentication/ParrAuthenticationHandler.cs

@@ -0,0 +1,58 @@
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Options;
+using PARR.API.Services.Interfaces;
+using System.Security.Claims;
+using System.Text.Encodings.Web;
+
+namespace PARR.API.Authentication
+{
+    public class ParrAuthenticationHandler : AuthenticationHandler<ParrAuthenticationOptions>
+    {
+        private readonly IServiceProvider serviceProvider;
+
+        public ParrAuthenticationHandler(
+            IOptionsMonitor<ParrAuthenticationOptions> options,
+            ILoggerFactory logger,
+            UrlEncoder encoder,
+            ISystemClock clock,
+            IServiceProvider serviceProvider) : base(options, logger, encoder, clock)
+        {
+            this.serviceProvider = serviceProvider;
+        }
+
+        protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
+        {
+            var ipClient = Request.HttpContext.Connection.RemoteIpAddress?.MapToIPv4().ToString();
+
+            if (ipClient == null)
+                return AuthenticateResult.Fail($"IP address not defined.");
+
+            // Аутентификация - просто проверка, есть ли у нас такой пользователь 
+            using (var scope = serviceProvider.CreateScope())
+            {
+                var authService = scope.ServiceProvider.GetRequiredService<IAuthService>();
+
+                var userIsBlocked = await authService.UserIsBlockedAsync(ipClient);
+                if (userIsBlocked)
+                    return AuthenticateResult.Fail($"IP address is on the blocking list.");
+
+                var user = await authService.GetUserAsync(ipClient);
+                if (user == null)
+                    return AuthenticateResult.Fail($"IP address not defined.");
+
+
+                // пользователь найден, аутентификация пройдена
+
+                var claims = new List<Claim> {
+                    new Claim(ClaimTypes.Name, user.UserIp)
+                };
+
+                var claimsIdentity = new ClaimsIdentity(claims, Scheme.Name);
+                var claimsPrincipal = new ClaimsPrincipal(claimsIdentity);
+
+
+                return AuthenticateResult.Success(new AuthenticationTicket(claimsPrincipal, Scheme.Name));
+            }
+        }
+    }
+}

PARR.API/Authentication/ParrAuthenticationOptions.cs

@@ -0,0 +1,10 @@
+using Microsoft.AspNetCore.Authentication;
+
+namespace PARR.API.Authentication
+{
+    public class ParrAuthenticationOptions : AuthenticationSchemeOptions
+    {
+        public const string DefaultScheme = "ParrAuthenticationScheme";
+        //public string TokenHeaderName { get; set; } = "MyToken";
+    }
+}

PARR.API/Controllers/V1/TestController.cs

@@ -1,8 +1,10 @@
-using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
 using PARR.API.Contracts.V1;
 using PARR.API.Contracts.V1.Responses.Base;
 using PARR.API.Controllers.V1.Base;
 using PARR.API.Services.Interfaces;
+using PARR.Constants;
 using PARR.DAL.CacheServices;
 using PARR.DAL.TransformServices;
 
@@ -26,13 +28,13 @@ namespace PARR.API.Controllers.V1
         /// Получить мой ip
         /// </summary>
         /// <returns></returns>
+        //[Authorize(Roles = ParrRoles.Administrator.Role)]
+        [Authorize]
         [HttpGet(ApiRoutes.Test.GetMyIp)]
         public IActionResult GetMyIp()
         {
             var ipAddress = clientService.GetClientIp();
 
-            //var ipV4 = ipAddress?.MapToIPv4();
-
             var ip = ipAddress?.ToString();
 
             return Ok(new Response<object>(new { ip }, true));

PARR.API/Installers/ApiServicesInstaller.cs

@@ -20,7 +20,7 @@ namespace PARR.API.Installers
             });
 
             services.AddTransient<IClientService, ClientService>();
-            
+            services.AddTransient<IAuthService, AuthService>();
 
 
         }

PARR.API/Installers/SettingsInstaller.cs

@@ -13,10 +13,9 @@ namespace PARR.API.Installers
             configuration.GetSection(nameof(MqSettings)).Bind(mqSettings);
             services.AddSingleton(mqSettings);
 
-
-            //var storageSettings = new StorageSettings();
-            //configuration.GetSection(nameof(StorageSettings)).Bind(storageSettings);
-            //services.AddSingleton(storageSettings);
+            var userCacheSettings = new UserCacheSettings();
+            configuration.GetSection(nameof(UserCacheSettings)).Bind(userCacheSettings);
+            services.AddSingleton(userCacheSettings);
 
             //TODO: add other
         }

PARR.API/Program.cs

@@ -1,6 +1,9 @@
 using Elastic.CommonSchema.Serilog;
 using FluentValidation;
+using Microsoft.AspNetCore.Server.HttpSys;
+using PARR.API.Authentication;
 using PARR.API.Installers;
+using PARR.API.RoleProvider;
 using PARR.BLL;
 using PARR.DAL;
 using Serilog;
@@ -29,6 +32,12 @@ builder.Services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());
 builder.Configuration.AddDalConfigurations(builder.Services);
 builder.Services.AddDallSettings(builder.Configuration);
 
+// Auth
+builder.Services.AddAuthentication(ParrAuthenticationOptions.DefaultScheme)
+    .AddScheme<ParrAuthenticationOptions, ParrAuthenticationHandler>(ParrAuthenticationOptions.DefaultScheme, opt => { });
+builder.Services.AddSimpleRoleAuthorization<BaseSimpleRoleProvider>();
+
+
 builder.Services.AddHttpContextAccessor();
 
 builder.Services.AddControllers();
@@ -44,6 +53,7 @@ var app = builder.Build();
 // Configure the HTTP request pipeline.
 app.InstallSwagger();
 
+app.UseAuthentication();
 app.UseAuthorization();
 
 app.MapControllers();

PARR.API/RoleProvider/BaseSimpleRoleProvider.cs

@@ -0,0 +1,48 @@
+using PARR.API.Services.Interfaces;
+
+namespace PARR.API.RoleProvider
+{
+    public class BaseSimpleRoleProvider : ISimpleRoleProvider
+    {
+        private readonly IServiceProvider serviceProvider;
+
+        public BaseSimpleRoleProvider(IServiceProvider serviceProvider)
+        {
+            this.serviceProvider = serviceProvider;
+        }
+
+        public async Task<ICollection<string>> GetUserRolesAsync(string ipClient)
+        {
+            // Авторизация - проверка на разрешения
+            // В данном случае, получаем все разрешения (роли)
+
+            ICollection<string> defaultResult = new string[0];
+
+            using (var scope = serviceProvider.CreateScope())
+            {
+                //var clientService = scope.ServiceProvider.GetRequiredService<IClientService>();
+
+                //var ipClient = clientService.GetClientIp()?.ToString();
+                //if (string.IsNullOrEmpty(ipClient))
+                //    return await Task.FromResult(defaultResult);
+
+                var authService = scope.ServiceProvider.GetRequiredService<IAuthService>();
+
+                // проверяем блокировку пользователя
+                var userIsBlocked = await authService.UserIsBlockedAsync(ipClient);
+                if (userIsBlocked)
+                    return await Task.FromResult(defaultResult);
+
+                // получаем пользователя из кэша или бд
+                var user = await authService.GetUserAsync(ipClient);
+                if (user == null)
+                    return await Task.FromResult(defaultResult);
+
+
+                return user.Roles.Select(t => t.Name).ToList();
+            }
+
+            // return await Task.FromResult(defaultResult);
+        }
+    }
+}

PARR.API/RoleProvider/ISimpleRoleProvider.cs

@@ -0,0 +1,7 @@
+namespace PARR.API.RoleProvider
+{
+    public interface ISimpleRoleProvider
+    {
+        Task<ICollection<string>> GetUserRolesAsync(string ipClient);
+    }
+}

PARR.API/RoleProvider/SimpleRoleAuthorizationServiceCollectionExtensions.cs

@@ -0,0 +1,14 @@
+using Microsoft.AspNetCore.Authentication;
+
+namespace PARR.API.RoleProvider
+{
+    public static class SimpleRoleAuthorizationServiceCollectionExtensions
+    {
+        public static void AddSimpleRoleAuthorization<TRoleProvider>(this IServiceCollection services)
+            where TRoleProvider : class, ISimpleRoleProvider
+        {
+            services.AddSingleton<ISimpleRoleProvider, TRoleProvider>();
+            services.AddSingleton<IClaimsTransformation, SimpleRoleAuthorizationTransform>();
+        }
+    }
+}

PARR.API/RoleProvider/SimpleRoleAuthorizationTransform.cs

@@ -0,0 +1,39 @@
+using Microsoft.AspNetCore.Authentication;
+using System.Security.Claims;
+
+namespace PARR.API.RoleProvider
+{
+    public class SimpleRoleAuthorizationTransform : IClaimsTransformation
+    {
+        //private static readonly string RoleClaimType = $"http://{typeof(SimpleRoleAuthorizationTransform).FullName.Replace('.', '/')}/role";
+        private static readonly string RoleClaimType = ClaimTypes.Role;
+
+        private readonly ISimpleRoleProvider roleProvider;
+
+        public SimpleRoleAuthorizationTransform(ISimpleRoleProvider roleProvider)
+        {
+            this.roleProvider = roleProvider ?? throw new ArgumentNullException(nameof(roleProvider));
+        }
+
+        public async Task<ClaimsPrincipal> TransformAsync(ClaimsPrincipal principal)
+        {
+            // Cast the principal identity to a Claims identity to access claims etc...
+            var oldIdentity = (ClaimsIdentity)principal.Identity!;
+
+            // "Clone" the old identity to avoid nasty side effects.
+            // NB: We take a chance to replace the claim type used to define the roles with our own.
+            var newIdentity = new ClaimsIdentity(
+                oldIdentity.Claims,
+                oldIdentity.AuthenticationType,
+                oldIdentity.NameClaimType,
+                RoleClaimType);
+
+            // Fetch the roles for the user and add the claims of the correct type so that roles can be recognized.
+            var roles = await roleProvider.GetUserRolesAsync(newIdentity.Name!);
+            newIdentity.AddClaims(roles.Select(r => new Claim(RoleClaimType, r)));
+
+            // Create and return a new claims principal
+            return new ClaimsPrincipal(newIdentity);
+        }
+    }
+}

PARR.API/Services/Implementations/AuthService.cs

@@ -0,0 +1,87 @@
+using PARR.API.Authentication.Models;
+using PARR.API.Services.Interfaces;
+using PARR.API.Settings;
+using PARR.Constants;
+using PARR.DAL.CacheServices;
+using PARR.DAL.Services.Interfaces;
+
+namespace PARR.API.Services.Implementations
+{
+    public class AuthService : IAuthService
+    {
+        private readonly IRedisCacheService cacheService;
+        private readonly IUserService userService;
+        private readonly IHostService hostService;
+        private readonly UserCacheSettings userCacheSettings;
+
+        public AuthService(IRedisCacheService cacheService, IUserService userService, IHostService hostService, UserCacheSettings userCacheSettings)
+        {
+            this.cacheService = cacheService;
+            this.userService = userService;
+            this.hostService = hostService;
+            this.userCacheSettings = userCacheSettings;
+        }
+
+
+        public async Task<bool> UserIsBlockedAsync(string ipAddress)
+        {
+            //пользователь есть в списке блокировки?
+            var existUserInBlockList = await cacheService.GetCachedDataAsync<DateTimeOffset?>(GetBlockKey(ipAddress));
+
+            return existUserInBlockList != null;
+        }
+
+
+        public async Task<UserCache?> GetUserAsync(string ipAddress)
+        {
+            // смотрим, есть ли в кэше
+            var userInCache = await cacheService.GetCachedDataAsync<UserCache>(GetAllowKey(ipAddress));
+            if (userInCache != null)
+                return userInCache;
+
+            // нет в кэше
+            var roles = new List<UserRoleInCache>();
+
+            var user = await userService.GetByIpWithRolesAsync(ipAddress);
+            if (user != null)
+                user.Roles.ToList().ForEach(t =>
+                {
+                    if (t.Role != null)
+                        roles.Add(new UserRoleInCache { Name = t.Role.Name, Description = t.Role.Description });
+                });
+
+            var host = await hostService.GetByIpAsync(ipAddress);
+            if (host != null)
+                roles.Add(new UserRoleInCache { Name = ParrRoles.Agent.Role, Description = ParrRoles.Agent.Description });
+
+            if (user == null && host == null)
+            {
+                // если это не пользователь и не хост, добавляем в кэш на блокировку
+                await cacheService.SetCachedDataAsync(GetBlockKey(ipAddress), DateTimeOffset.UtcNow, userCacheSettings.UserBlockTtl);
+
+                return null;
+            }
+
+            // пользователь есть, добавляем в КЭШ и возвращаем роли
+            var cacheData = new UserCache { UserIp = ipAddress, Roles = roles };
+            await cacheService.SetCachedDataAsync(GetAllowKey(ipAddress), cacheData, userCacheSettings.UserCacheTtl);
+
+            return cacheData;
+        }
+
+
+        private string GetBlockKey(string ipAddress)
+        {
+            // d - deny
+            return $"d_{ipAddress}";
+        }
+
+        private string GetAllowKey(string ipAddress)
+        {
+            // a - allow
+            return $"a_{ipAddress}";
+        }
+
+
+    }
+}

PARR.API/Services/Interfaces/IAuthService.cs

@@ -0,0 +1,22 @@
+using PARR.API.Authentication.Models;
+
+namespace PARR.API.Services.Interfaces
+{
+    public interface IAuthService
+    {
+        /// <summary>
+        /// Получить пользователя с ролями по ip адресу. 
+        /// Смотрим в кэше, затем в БД. При необходимости блокирует или добавлет в кэш.
+        /// </summary>
+        /// <param name="ipAddress"></param>
+        /// <returns></returns>
+        Task<UserCache?> GetUserAsync(string ipAddress);
+
+        /// <summary>
+        /// Проверяет, блокировку пользователя
+        /// </summary>
+        /// <param name="ipAddress"></param>
+        /// <returns></returns>
+        Task<bool> UserIsBlockedAsync(string ipAddress);
+    }
+}

PARR.API/Settings/UserCacheSettings.cs

@@ -0,0 +1,18 @@
+namespace PARR.API.Settings
+{
+    /// <summary>
+    /// Настройки кэша пользователй
+    /// </summary>
+    public class UserCacheSettings
+    {
+        /// <summary>
+        /// Сколько хранить в кэше авторизованных пользователей
+        /// </summary>
+        public TimeSpan UserCacheTtl { get; set; }
+
+        /// <summary>
+        /// Сколько хранить в кэше заблокированных пользователей (как долго блокировать пользователя)
+        /// </summary>
+        public TimeSpan UserBlockTtl { get; set; }
+    }
+}

PARR.API/appsettings.Development.json

@@ -1,6 +1,6 @@
 {
   "ConnectionStrings": {
-    "RedisConnection": "10.99.253.216:6379"
+    "RedisConnection": "10.99.253.216:6379,password=ParrP@ssPtk202MMdevDvs"
   },
   "Logging": {
     "LogLevel": {

PARR.API/appsettings.json

@@ -45,5 +45,9 @@
       "User": "generate_templates_api",
       "Password": "DHhjgdsf*&%95"
     }
+  },
+  "UserCacheSettings": {
+    "UserCacheTtl": "00:05:00",
+    "UserBlockTtl": "00:03:00"
   }
 }

PARR.DAL/CacheServices/RedisCacheService.cs

@@ -15,7 +15,7 @@ namespace PARR.DAL.CacheServices
         public async Task<T?> GetCachedDataAsync<T>(string key)
         {
             var jsonData = await cache.GetStringAsync(key);
-
+            
             if (jsonData == null)
                 return default(T);
 

PARR.DAL/ParrDalInstaller.cs

@@ -62,6 +62,7 @@ namespace PARR.DAL
             services.AddTransient<IAgentHistoryService, AgentHistoryService>();
             services.AddTransient<IOrderService, OrderService>();
             services.AddTransient<IOrderStatusService, OrderStatusService>();
+            services.AddTransient<IUserService, UserService>();
 
 
             // TransformServices

PARR.DAL/Services/Implementations/HostService.cs

@@ -40,6 +40,11 @@ namespace PARR.DAL.Services.Implementations
                 .FirstOrDefaultAsync(h => h.IP == IP);
         }
 
+        public async Task<Host?> GetByIpAsync(string ip)
+        {
+            return await EntitySet.FirstOrDefaultAsync(t => t.IP == ip);
+        }
+
         //public async Task<Host?> GetHostByRegionalEKAsync(string RegionalEK)И
         //{
         //    try

PARR.DAL/Services/Implementations/UserService.cs

@@ -0,0 +1,30 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using PARR.DAL.Context;
+using PARR.DAL.Models;
+using PARR.DAL.Services.Abstracts;
+using PARR.DAL.Services.Interfaces;
+
+namespace PARR.DAL.Services.Implementations
+{
+    internal class UserService : BaseService<User>, IUserService
+    {
+        private readonly DataContext dataContext;
+
+        public UserService(DataContext dataContext, ILogger<UserService> logger) : base(logger)
+        {
+            this.dataContext = dataContext;
+        }
+
+        protected override DbSet<User> EntitySet => dataContext.Users;
+
+        protected override DataContext EntitiContext => dataContext;
+
+        public async Task<User?> GetByIpWithRolesAsync(string ipAddress)
+        {
+            return await EntitySet
+                    .Include(t => t.Roles).ThenInclude(t => t.Role)
+                    .FirstOrDefaultAsync(t => t.Ip == ipAddress);
+        }
+    }
+}

PARR.DAL/Services/Interfaces/IHostService.cs

@@ -5,6 +5,10 @@ namespace PARR.DAL.Services.Interfaces
 {
     public interface IHostService : IBaseService<Host>
     {
-        Task<Host?> GetHostWithAppsAsync(string IP);
+        Task<Host?> GetHostWithAppsAsync(string ip);
+
+        Task<Host?> GetByIpAsync(string ip);
+
+
     }
 }

PARR.DAL/Services/Interfaces/IUserService.cs

@@ -0,0 +1,10 @@
+using PARR.DAL.Models;
+using PARR.DAL.Services.Interfaces.Base;
+
+namespace PARR.DAL.Services.Interfaces
+{
+    public interface IUserService: IBaseService<User>
+    {
+        Task<User?> GetByIpWithRolesAsync(string ipAddress);
+    }
+}