Added redis support

Author: v-michaelmi

2-WebApp-graph-user/2-2-TokenCache/Startup.cs

@@ -65,6 +65,14 @@ dotnet tool install --global dotnet-sql-cache
                 options.DefaultSlidingExpiration = TimeSpan.FromMinutes(90);
             });
 
+            // Uncomment for Redis configuration
+            //services.AddStackExchangeRedisCache(options =>
+            //{
+            //    options.Configuration = "localhost";//Configuration.GetConnectionString("TokenCacheRedisConnStr");
+            //    options.InstanceName = Configuration.GetConnectionString("TokenCacheRedisInstaceName");
+            //});
+
+
             services.AddControllersWithViews(options =>
             {
                 var policy = new AuthorizationPolicyBuilder()

2-WebApp-graph-user/2-2-TokenCache/WebApp-OpenIDConnect-DotNet.csproj

@@ -20,6 +20,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.8" />
     <PackageReference Include="Microsoft.Extensions.Caching.SqlServer" Version="3.1.8" />
+    <PackageReference Include="Microsoft.Extensions.Caching.StackExchangeRedis" Version="7.0.0" />
     <PackageReference Include="Microsoft.Identity.Web.UI" Version="1.25.10" />
     <PackageReference Include="Microsoft.Identity.Web.MicrosoftGraph" Version="1.25.10" />
   </ItemGroup>

2-WebApp-graph-user/2-2-TokenCache/appsettings.json

@@ -26,7 +26,9 @@
       "TokenCacheDbConnStr": "Data Source=(LocalDb)\\MSSQLLocalDB;Database=MY_TOKEN_CACHE_DATABASE;Trusted_Connection=True;"
   */
   "ConnectionStrings": {
-    "TokenCacheDbConnStr": "[Enter the Sql server connection string, e.g. Server=MY_SQL_SERVER;Database=MsalTokenCacheDatabase;Trusted_Connection=True;"
+    "TokenCacheDbConnStr": "[Enter the Sql server connection string, e.g. Server=MY_SQL_SERVER;Database=MsalTokenCacheDatabase;Trusted_Connection=True;",
+    "TokenCacheRedisConnStr": "[Replace with your domain like so: <your-domain>.redis.cache.windows.net:6380,password=SomeLongPassword,ssl=True,abortConnect=False or with 'localhost' if running locally]",
+    "TokenCacheRedisInstaceName": "[Replace with your instance name]"
   },
   "Logging": {
     "LogLevel": {