Implemented TokenCleanupService

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo.Abp.IdentityServer.Domain.csproj

@@ -20,6 +20,7 @@
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.Security\Volo.Abp.Security.csproj" />
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.Caching\Volo.Abp.Caching.csproj" />
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.Validation\Volo.Abp.Validation.csproj" />
+    <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.BackgroundWorkers\Volo.Abp.BackgroundWorkers.csproj" />
   </ItemGroup>
 
   <ItemGroup>

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Devices/DeviceFlowStore.cs

@@ -1,5 +1,4 @@
 using System;
-using System.IdentityModel.Tokens.Jwt;
 using System.Threading.Tasks;
 using IdentityModel;
 using IdentityServer4.Models;

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Devices/IDeviceFlowCodesRepository.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp.Domain.Repositories;
@@ -16,5 +17,11 @@ namespace Volo.Abp.IdentityServer.Devices
             string deviceCode,
             CancellationToken cancellationToken = default
         );
+
+        Task<List<DeviceFlowCodes>> GetListByExpirationAsync(
+            DateTime maxExpirationDate,
+            int maxResultCount,
+            CancellationToken cancellationToken = default
+        );
     }
 }

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Grants/IPersistentGrantRepository.cs

@@ -18,6 +18,12 @@ namespace Volo.Abp.IdentityServer.Grants
             CancellationToken cancellationToken = default
         );
 
+        Task<List<PersistedGrant>> GetListByExpirationAsync(
+            DateTime maxExpirationDate,
+            int maxResultCount,
+            CancellationToken cancellationToken = default
+        );
+
         Task DeleteAsync(
             string subjectId,
             string clientId,

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupBackgroundWorker.cs

@@ -0,0 +1,34 @@
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using Volo.Abp.BackgroundWorkers;
+using Volo.Abp.Threading;
+
+namespace Volo.Abp.IdentityServer.Tokens
+{
+    public class TokenCleanupBackgroundWorker : AsyncPeriodicBackgroundWorkerBase
+    {
+        protected TokenCleanupOptions Options { get; }
+
+        public TokenCleanupBackgroundWorker(
+            AbpTimer timer, 
+            IServiceScopeFactory serviceScopeFactory,
+            IOptions<TokenCleanupOptions> options)
+            : base(
+                timer, 
+                serviceScopeFactory)
+        {
+            Options = options.Value;
+            timer.Period = Options.CleanupPeriod;
+        }
+
+        protected override async Task DoWorkAsync(PeriodicBackgroundWorkerContext workerContext)
+        {
+            await workerContext
+                .ServiceProvider
+                .GetRequiredService<TokenCleanupService>()
+                .CleanAsync()
+                .ConfigureAwait(false);
+        }
+    }
+}

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupOptions.cs

@@ -0,0 +1,34 @@
+using Volo.Abp.BackgroundWorkers;
+
+namespace Volo.Abp.IdentityServer.Tokens
+{
+    public class TokenCleanupOptions
+    {
+        /// <summary>
+        /// Default: 3,600,000 ms.
+        /// </summary>
+        public int CleanupPeriod { get; set; } = 3_600_000;
+
+        /// <summary>
+        /// Default value: 100.
+        /// </summary>
+        public int CleanupBatchSize { get; set; } = 100;
+
+        /// <summary>
+        /// The number of loop if there are
+        /// more than <see cref="CleanupBatchSize"/> tokens in the database.
+        /// So, if <see cref="CleanupLoopCount"/> is 10 and <see cref="CleanupBatchSize"/> is 100,
+        /// then the cleanup worker will clean 1,000 items in one <see cref="CleanupPeriod"/> at max.
+        ///
+        /// Default value: 10.
+        /// </summary>
+        public int CleanupLoopCount { get; set; } = 10;
+
+        /// <summary>
+        /// Default value: true.
+        /// If <see cref="AbpBackgroundWorkerOptions.IsEnabled"/> is false,
+        /// this property is ignored and the cleanup worker doesn't work for this application instance.
+        /// </summary>
+        public bool EnableCleanup { get; set; } = true;
+    }
+}

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/Tokens/TokenCleanupService.cs

@@ -0,0 +1,88 @@
+using System.Threading.Tasks;
+using Microsoft.Extensions.Options;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.IdentityServer.Devices;
+using Volo.Abp.IdentityServer.Grants;
+using Volo.Abp.Timing;
+using Volo.Abp.Uow;
+
+namespace Volo.Abp.IdentityServer.Tokens
+{
+    public class TokenCleanupService : ITransientDependency
+    {
+        protected IPersistentGrantRepository PersistentGrantRepository { get; }
+        protected IDeviceFlowCodesRepository DeviceFlowCodesRepository { get; }
+        protected IClock Clock { get; }
+        protected TokenCleanupOptions Options { get; }
+
+        public TokenCleanupService(
+            IPersistentGrantRepository persistentGrantRepository,
+            IDeviceFlowCodesRepository deviceFlowCodesRepository,
+            IClock clock,
+            IOptions<TokenCleanupOptions> options)
+        {
+            PersistentGrantRepository = persistentGrantRepository;
+            DeviceFlowCodesRepository = deviceFlowCodesRepository;
+            Clock = clock;
+            Options = options.Value;
+        }
+
+        public virtual async Task CleanAsync()
+        {
+            await RemoveGrantsAsync()
+                .ConfigureAwait(false);
+            
+            await RemoveDeviceCodesAsync()
+                .ConfigureAwait(false);
+        }
+
+        [UnitOfWork]
+        protected virtual async Task RemoveGrantsAsync()
+        {
+            for (int i = 0; i < Options.CleanupLoopCount; i++)
+            {
+                var persistentGrants = await PersistentGrantRepository
+                    .GetListByExpirationAsync(Clock.Now, Options.CleanupBatchSize)
+                    .ConfigureAwait(false);
+
+                //TODO: Can be optimized if the repository implements the batch deletion
+                foreach (var persistentGrant in persistentGrants)
+                {
+                    await PersistentGrantRepository
+                        .DeleteAsync(persistentGrant)
+                        .ConfigureAwait(false);
+                }
+
+                //No need to continue to query if it gets more than max items.
+                if (persistentGrants.Count < Options.CleanupBatchSize)
+                {
+                    break;
+                }
+            }
+        }
+
+        protected virtual async Task RemoveDeviceCodesAsync()
+        {
+            for (int i = 0; i < Options.CleanupLoopCount; i++)
+            {
+                var deviceFlowCodeses = await DeviceFlowCodesRepository
+                    .GetListByExpirationAsync(Clock.Now, Options.CleanupBatchSize)
+                    .ConfigureAwait(false);
+
+                //TODO: Can be optimized if the repository implements the batch deletion
+                foreach (var deviceFlowCodes in deviceFlowCodeses)
+                {
+                    await DeviceFlowCodesRepository
+                        .DeleteAsync(deviceFlowCodes)
+                        .ConfigureAwait(false);
+                }
+
+                //No need to continue to query if it gets more than max items.
+                if (deviceFlowCodeses.Count < Options.CleanupBatchSize)
+                {
+                    break;
+                }
+            }
+        }
+    }
+}

modules/identityserver/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/Devices/DeviceFlowCodesRepository.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
@@ -34,5 +36,16 @@ namespace Volo.Abp.IdentityServer.Devices
                 .FirstOrDefaultAsync(d => d.DeviceCode == deviceCode, GetCancellationToken(cancellationToken))
                 .ConfigureAwait(false);
         }
+
+        public async Task<List<DeviceFlowCodes>> GetListByExpirationAsync(DateTime maxExpirationDate, int maxResultCount,
+            CancellationToken cancellationToken = default)
+        {
+            return await DbSet
+                .Where(x => x.Expiration != null && x.Expiration < maxExpirationDate)
+                .OrderBy(x => x.ClientId)
+                .Take(maxResultCount)
+                .ToListAsync(GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
+        }
     }
 }

modules/identityserver/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/Grants/PersistedGrantRepository.cs

@@ -18,21 +18,36 @@ namespace Volo.Abp.IdentityServer.Grants
 
         }
 
-        public Task<PersistedGrant> FindByKeyAsync(
+        public async Task<PersistedGrant> FindByKeyAsync(
             string key,
             CancellationToken cancellationToken = default)
         {
-            return DbSet
+            return await DbSet
-                .FirstOrDefaultAsync(x => x.Key == key, GetCancellationToken(cancellationToken));
+                .FirstOrDefaultAsync(x => x.Key == key, GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
         }
 
-        public Task<List<PersistedGrant>> GetListBySubjectIdAsync(
+        public async Task<List<PersistedGrant>> GetListBySubjectIdAsync(
             string subjectId,
             CancellationToken cancellationToken = default)
         {
-            return DbSet
+            return await DbSet
                 .Where(x => x.SubjectId == subjectId)
-                .ToListAsync(GetCancellationToken(cancellationToken));
+                .ToListAsync(GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
+        }
+
+        public async Task<List<PersistedGrant>> GetListByExpirationAsync(
+            DateTime maxExpirationDate, 
+            int maxResultCount,
+            CancellationToken cancellationToken = default)
+        {
+            return await DbSet
+                .Where(x => x.Expiration != null && x.Expiration < maxExpirationDate)
+                .OrderBy(x => x.ClientId)
+                .Take(maxResultCount)
+                .ToListAsync(GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
         }
 
         public async Task DeleteAsync(

modules/identityserver/src/Volo.Abp.IdentityServer.MongoDB/Volo/Abp/IdentityServer/MongoDB/MongoDeviceFlowCodesRepository.cs

@@ -1,6 +1,8 @@
 using System;
+using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
+using MongoDB.Driver;
 using MongoDB.Driver.Linq;
 using Volo.Abp.Domain.Repositories.MongoDB;
 using Volo.Abp.IdentityServer.Devices;
@@ -32,5 +34,18 @@ namespace Volo.Abp.IdentityServer.MongoDB
                 .FirstOrDefaultAsync(d => d.DeviceCode == deviceCode, GetCancellationToken(cancellationToken))
                 .ConfigureAwait(false);
         }
+
+        public async Task<List<DeviceFlowCodes>> GetListByExpirationAsync(
+            DateTime maxExpirationDate, 
+            int maxResultCount,
+            CancellationToken cancellationToken = default)
+        {
+            return await GetMongoQueryable()
+                .Where(x => x.Expiration != null && x.Expiration < maxExpirationDate)
+                .OrderBy(x => x.ClientId)
+                .Take(maxResultCount)
+                .ToListAsync(GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
+        }
     }
 }

modules/identityserver/src/Volo.Abp.IdentityServer.MongoDB/Volo/Abp/IdentityServer/MongoDB/MongoPersistedGrantRepository.cs

@@ -27,7 +27,19 @@ namespace Volo.Abp.IdentityServer.MongoDB
         {
             return await GetMongoQueryable()
                 .Where(x => x.SubjectId == subjectId)
-                .ToListAsync(GetCancellationToken(cancellationToken)).ConfigureAwait(false);
+                .ToListAsync(GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
+        }
+
+        public async Task<List<PersistedGrant>> GetListByExpirationAsync(DateTime maxExpirationDate, int maxResultCount,
+            CancellationToken cancellationToken = default)
+        {
+            return await GetMongoQueryable()
+                .Where(x => x.Expiration != null && x.Expiration < maxExpirationDate)
+                .OrderBy(x => x.ClientId)
+                .Take(maxResultCount)
+                .ToListAsync(GetCancellationToken(cancellationToken))
+                .ConfigureAwait(false);
         }
 
         public async Task DeleteAsync(string subjectId, string clientId, CancellationToken cancellationToken = default)