新增加IPRateLimit限制

ZR.Admin.WebApi/Extensions/IPRateExtension.cs

@@ -0,0 +1,27 @@
+using AspNetCoreRateLimit;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+
+namespace ZR.Admin.WebApi.Extensions
+{
+    public static class IPRateExtension
+    {
+        public static void AddIPRate(this IServiceCollection services, IConfiguration configuration)
+        {
+            if (services == null) throw new ArgumentNullException(nameof(services));
+
+            //从appsettings.json中加载常规配置，IpRateLimiting与配置文件中节点对应
+            services.Configure<IpRateLimitOptions>(configuration.GetSection("IpRateLimiting"));
+
+            //从appsettings.json中加载Ip规则
+            services.Configure<IpRateLimitPolicies>(configuration.GetSection("IpRateLimitPolicies"));
+            //注入计数器和规则存储
+            services.AddSingleton<IIpPolicyStore, MemoryCacheIpPolicyStore>();
+            services.AddSingleton<IRateLimitCounterStore, MemoryCacheRateLimitCounterStore>();
+            //配置（解析器、计数器密钥生成器）
+            services.AddSingleton<IRateLimitConfiguration, RateLimitConfiguration>();
+            services.AddSingleton<IProcessingStrategy, AsyncKeyLockProcessingStrategy>();
+        }
+    }
+}