Redis fixes

src/Squidex.Infrastructure/Timers/CompletionTimer.cs

@@ -16,9 +16,9 @@ namespace Squidex.Infrastructure.Timers
 {
     public sealed class CompletionTimer : DisposableObject
     {
-        private readonly CancellationTokenSource disposeCancellationTokenSource = new CancellationTokenSource();
+        private readonly CancellationTokenSource disposeToken = new CancellationTokenSource();
         private readonly Task runTask;
-        private CancellationTokenSource delayCancellationSource;
+        private CancellationTokenSource delayToken;
         
         public CompletionTimer(int delay, Func<CancellationToken, Task> callback)
         {
@@ -30,15 +30,18 @@ namespace Squidex.Infrastructure.Timers
 
         private async Task RunInternal(int delay, Func<CancellationToken, Task> callback)
         {
-            while (!disposeCancellationTokenSource.IsCancellationRequested)
+            while (!disposeToken.IsCancellationRequested)
             {
                 try
                 {
-                    await callback(disposeCancellationTokenSource.Token).ConfigureAwait(false);
+                    await callback(disposeToken.Token).ConfigureAwait(false);
 
-                    delayCancellationSource = new CancellationTokenSource();
+                    delayToken = new CancellationTokenSource();
 
-                    await Task.Delay(delay, delayCancellationSource.Token).ConfigureAwait(false);
+                    using (var cts = CancellationTokenSource.CreateLinkedTokenSource(disposeToken.Token, delayToken.Token))
+                    {
+                        await Task.Delay(delay, cts.Token).ConfigureAwait(false);
+                    }
                 }
                 catch (TaskCanceledException)
                 {
@@ -51,8 +54,7 @@ namespace Squidex.Infrastructure.Timers
         {
             if (disposing)
             {
-                delayCancellationSource?.Cancel();
-                disposeCancellationTokenSource.Cancel();
+                disposeToken.Cancel();
 
                 runTask.Wait();
             }
@@ -62,7 +64,7 @@ namespace Squidex.Infrastructure.Timers
         {
             ThrowIfDisposed();
 
-            delayCancellationSource?.Cancel();
+            delayToken?.Cancel();
         }
     }
 }

src/Squidex/Config/Identity/IdentityServices.cs

@@ -6,6 +6,7 @@
 //  All rights reserved.
 // ==========================================================================
 
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
@@ -17,7 +18,9 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Identity.MongoDB;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Security;
+using StackExchange.Redis;
 
 namespace Squidex.Config.Identity
 {
@@ -27,12 +30,30 @@ namespace Squidex.Config.Identity
         {
             var dataProtection = services.AddDataProtection().SetApplicationName("Squidex");
 
+            var clustererType = configuration.GetValue<string>("squidex:clusterer:type");
+
+            if (clustererType.Equals("redis", StringComparison.OrdinalIgnoreCase))
+            {
+                var connectionString = configuration.GetValue<string>("squidex:clusterer:redis:connectionString");
+
+                if (string.IsNullOrWhiteSpace(connectionString) || !Uri.IsWellFormedUriString(connectionString, UriKind.Absolute))
+                {
+                    throw new ConfigurationException("You must specify the Redis connection string in the 'squidex:clusterer:redis:connectionString' configuration section.");
+                }
+                
+                var connectionMultiplexer = ConnectionMultiplexer.Connect(connectionString);
+
+                dataProtection.PersistKeysToRedis(connectionMultiplexer);
+            }
+            else
+            {
                 var keysFolder = configuration.GetValue<string>("squidex:identity:keysFolder");
 
                 if (!string.IsNullOrWhiteSpace(keysFolder))
                 {
                     dataProtection.PersistKeysToFileSystem(new DirectoryInfo(keysFolder));
                 }
+            }
 
             return services;
         }

src/Squidex/appsettings.json

@@ -6,7 +6,7 @@
     "clusterer": {
       "type": "redis",
       "redis": {
-        "connectionString": "localhost:6379"
+        "connectionString": "localhost:6379,resolveDns=1"
       }
     },
     "eventStore": {

src/Squidex/project.json

@@ -8,6 +8,7 @@
     "Microsoft.AspNetCore.Authentication.Cookies": "1.1.0",
     "Microsoft.AspNetCore.Authentication.Google": "1.1.0",
     "Microsoft.AspNetCore.Authentication.OpenIdConnect": "1.1.0",
+    "Microsoft.AspNetCore.DataProtection.Redis": "0.1.0",
     "Microsoft.AspNetCore.Diagnostics": "1.1.0",
     "Microsoft.AspNetCore.HttpOverrides": "1.1.0",
     "Microsoft.AspNetCore.Identity": "1.1.0",