From df757a30b600e8134ecc55aa9781c7c0407e2395 Mon Sep 17 00:00:00 2001
From: Jacob Stein <jacob@stein.sh>
Date: Tue, 22 Mar 2022 16:25:59 -0400
Subject: [PATCH 1/4] feat: add RedisRateLimitOptions

---
 src/AspNetCoreRateLimit.Redis/RedisRateLimitOptions.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/AspNetCoreRateLimit.Redis/RedisRateLimitOptions.cs

diff --git a/src/AspNetCoreRateLimit.Redis/RedisRateLimitOptions.cs b/src/AspNetCoreRateLimit.Redis/RedisRateLimitOptions.cs
new file mode 100644
index 00000000..d6d6f7b2
--- /dev/null
+++ b/src/AspNetCoreRateLimit.Redis/RedisRateLimitOptions.cs
@@ -0,0 +1,10 @@
+namespace AspNetCoreRateLimit.Redis
+{
+    public class RedisRateLimitOptions
+    {
+        /// <summary>
+        ///     Gets or sets the Redis key prefix
+        /// </summary>
+        public string KeyPrefix { get; set; } = "ratelimits:";
+    }
+}
\ No newline at end of file

From 98b91523ef0bba74498fa27406033bd1359390dd Mon Sep 17 00:00:00 2001
From: Jacob Stein <jacob@stein.sh>
Date: Tue, 22 Mar 2022 16:26:42 -0400
Subject: [PATCH 2/4] feat(Redis): build key using KeyPrefix

---
 .../RedisProcessingStrategy.cs                        | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/AspNetCoreRateLimit.Redis/RedisProcessingStrategy.cs b/src/AspNetCoreRateLimit.Redis/RedisProcessingStrategy.cs
index ff97be59..fc65e697 100644
--- a/src/AspNetCoreRateLimit.Redis/RedisProcessingStrategy.cs
+++ b/src/AspNetCoreRateLimit.Redis/RedisProcessingStrategy.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.Extensions.Options;
 
 namespace AspNetCoreRateLimit.Redis
 {
@@ -10,13 +11,15 @@ public class RedisProcessingStrategy : ProcessingStrategy
     {
         private readonly IConnectionMultiplexer _connectionMultiplexer;
         private readonly IRateLimitConfiguration _config;
+        private readonly RedisRateLimitOptions _options;
         private readonly ILogger<RedisProcessingStrategy> _logger;
 
-        public RedisProcessingStrategy(IConnectionMultiplexer connectionMultiplexer, IRateLimitConfiguration config, ILogger<RedisProcessingStrategy> logger)
+        public RedisProcessingStrategy(IConnectionMultiplexer connectionMultiplexer, IRateLimitConfiguration config, IOptions<RedisRateLimitOptions> redisOptions, ILogger<RedisProcessingStrategy> logger)
             : base(config)
         {
             _connectionMultiplexer = connectionMultiplexer ?? throw new ArgumentException("IConnectionMultiplexer was null. Ensure StackExchange.Redis was successfully registered");
             _config = config;
+            _options = redisOptions.Value;
             _logger = logger;
         }
 
@@ -42,5 +45,11 @@ public async Task<RateLimitCounter> IncrementAsync(string counterId, TimeSpan in
                 Timestamp = intervalStart
             };
         }
+
+        protected override string BuildCounterKey(ClientRequestIdentity requestIdentity, RateLimitRule rule, ICounterKeyBuilder counterKeyBuilder,
+            RateLimitOptions rateLimitOptions)
+        {
+            return $"{_options.KeyPrefix}{base.BuildCounterKey(requestIdentity, rule, counterKeyBuilder, rateLimitOptions)}";
+        }
     }
 }

From 8d68132de5889a633fd1862622c359474609a621 Mon Sep 17 00:00:00 2001
From: Jacob Stein <jacob@stein.sh>
Date: Tue, 22 Mar 2022 16:27:22 -0400
Subject: [PATCH 3/4] feat: update demo project

---
 test/AspNetCoreRateLimit.Demo/Startup.cs       | 5 ++++-
 test/AspNetCoreRateLimit.Demo/appsettings.json | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/test/AspNetCoreRateLimit.Demo/Startup.cs b/test/AspNetCoreRateLimit.Demo/Startup.cs
index d91376a2..2f58adfa 100644
--- a/test/AspNetCoreRateLimit.Demo/Startup.cs
+++ b/test/AspNetCoreRateLimit.Demo/Startup.cs
@@ -28,11 +28,14 @@ public void ConfigureServices(IServiceCollection services)
             // configure client rate limiting middleware
             services.Configure<ClientRateLimitOptions>(Configuration.GetSection("ClientRateLimiting"));
             services.Configure<ClientRateLimitPolicies>(Configuration.GetSection("ClientRateLimitPolicies"));
+            
+            // configure Redis rate limiting strategy
+            services.Configure<RedisRateLimitOptions>(Configuration.GetSection("RedisRateLimitPolicies"));
 
             // register stores
             services.AddInMemoryRateLimiting();
             //services.AddDistributedRateLimiting<AsyncKeyLockProcessingStrategy>();
-            //services.AddDistributedRateLimiting<RedisProcessingStrategy>();
+            // services.AddDistributedRateLimiting<RedisProcessingStrategy>();
             //services.AddRedisRateLimiting();
 
             services.AddMvc((options) =>
diff --git a/test/AspNetCoreRateLimit.Demo/appsettings.json b/test/AspNetCoreRateLimit.Demo/appsettings.json
index 8c587347..cd448f2a 100644
--- a/test/AspNetCoreRateLimit.Demo/appsettings.json
+++ b/test/AspNetCoreRateLimit.Demo/appsettings.json
@@ -216,5 +216,9 @@
         ]
       }
     ]
+  },
+  
+  "RedisRateLimitPolicies": {
+    "KeyPrefix": "ratelimits:"
   }
 }

From 9dced6a4bdd9228847388513b713d273240a05ae Mon Sep 17 00:00:00 2001
From: Jacob Stein <jacob@stein.sh>
Date: Tue, 22 Mar 2022 16:29:24 -0400
Subject: [PATCH 4/4] style: consistent comments

---
 test/AspNetCoreRateLimit.Demo/Startup.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/AspNetCoreRateLimit.Demo/Startup.cs b/test/AspNetCoreRateLimit.Demo/Startup.cs
index 2f58adfa..e5c668b5 100644
--- a/test/AspNetCoreRateLimit.Demo/Startup.cs
+++ b/test/AspNetCoreRateLimit.Demo/Startup.cs
@@ -34,9 +34,9 @@ public void ConfigureServices(IServiceCollection services)
 
             // register stores
             services.AddInMemoryRateLimiting();
-            //services.AddDistributedRateLimiting<AsyncKeyLockProcessingStrategy>();
+            // services.AddDistributedRateLimiting<AsyncKeyLockProcessingStrategy>();
             // services.AddDistributedRateLimiting<RedisProcessingStrategy>();
-            //services.AddRedisRateLimiting();
+            // services.AddRedisRateLimiting();
 
             services.AddMvc((options) =>
             {