使用期限授权

performance/Performance.Api/Middlewares/ExpirationLimitMiddleware.cs

+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Caching.Memory;
+using Performance.DtoModels;
+using Performance.Infrastructure;
+using System;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace Performance.Api
+{
+    /// <summary>
+    /// 过期限制
+    /// </summary>
+    public class ExpirationLimitMiddleware
+    {
+        private readonly RequestDelegate _next;
+
+        public ExpirationLimitMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        public async Task Invoke(HttpContext context)
+        {
+            if (context.Request.Path.StartsWithSegments("/api/function/limit"))
+            {
+                var response = new ApiResponse<LimitInformation>(ResponseType.OK, FunctionLimit.Limit);
+                context.Response.ContentType = "application/json";
+                await context.Response.WriteAsync(JsonHelper.Serialize(response));
+                return;
+            }
+            else if (FunctionLimit.Limit.ExpirationTime > DateTime.Now)
+            {
+                await _next.Invoke(context);
+                return;
+            }
+            else
+            {
+                var response = new ApiResponse(ResponseType.Expiration, $"{FunctionLimit.Limit.Remark}，请联系易策商务！");
+                context.Response.ContentType = "application/json";
+                await context.Response.WriteAsync(JsonHelper.Serialize(response));
+            }
+        }
+    }
+}

performance/Performance.Api/Middlewares/FunctionLimit.cs

+using System;
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+using XC.RSAUtil;
+
+namespace Performance.Api
+{
+    public class LimitInformation
+    {
+        public DateTime ExpirationTime { get; set; }
+        public string Remark { get; internal set; }
+    }
+    public class FunctionLimit
+    {
+        public static LimitInformation Limit { get; } = new LimitInformation();
+        public static void Init()
+        {
+            var filePath = Path.Combine(Environment.CurrentDirectory, "secret.key");
+            if (!File.Exists(filePath))
+            {
+                Limit.ExpirationTime = DateTime.MinValue;
+                Limit.Remark = "授权文件无效；功能受限！";
+                return;
+            }
+            string content = ReadLimitContent(filePath);
+            if (string.IsNullOrEmpty(content))
+            {
+                Limit.ExpirationTime = DateTime.MinValue;
+                Limit.Remark = "授权文件发生错误；功能受限！";
+                return;
+            }
+            var timestamp = ConvertToExpiration(content);
+            if (timestamp == 0)
+            {
+                Limit.ExpirationTime = DateTime.MinValue;
+                Limit.Remark = "授权文件无法解析；功能受限！";
+                return;
+            }
+
+            Limit.ExpirationTime = (new DateTime(1970, 1, 1, 8, 0, 0, DateTimeKind.Unspecified)).AddSeconds(timestamp);
+            Limit.Remark = Limit.ExpirationTime > DateTime.Now ? "已授权开放使用！" : "授权过期，功能受限！";
+        }
+
+        private static long ConvertToExpiration(string content)
+        {
+            long result = 0;
+            try
+            {
+                var bigDataRsa = new RsaPkcs8Util(Encoding.UTF8, "", privateKey, 2048);
+                var timestamp = bigDataRsa.DecryptBigData(content, RSAEncryptionPadding.Pkcs1);
+                long.TryParse(timestamp, out result);
+                return result;
+            }
+            catch (Exception) { }
+            return result;
+        }
+
+        private static string ReadLimitContent(string filePath)
+        {
+            var content = "";
+            try
+            {
+                using (FileStream stream = new FileStream(filePath, FileMode.Open))
+                using (StreamReader reader = new StreamReader(stream))
+                {
+                    content = reader.ReadToEnd();
+                }
+            }
+            catch (Exception) { }
+            return content;
+        }
+
+        private static string privateKey = @"-----BEGIN PRIVATE KEY-----
+MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQC/XTloNsKshhr/
+GC34GSQqKxiojkSWBZ+Xe3SxryqrYjx8yyjdrTgBq8lXOO9xtu+jr3XcFwHhFsq5
+iK8qwRZQhinASjOFroeszrn0dbuLMT3ad+pCfdkXKcOwmCifHWLqODn0JXmPnTx5
+8F1JD954J1Es8ugyJ6S77T0iPezmHvPgxV0Cn4E7Lg2114LwBgy1Kgb5S/b3pz5P
+MQKECPRqK69SRIzUU7Nvw1LrqjK9OF5ZWYdGBlCBpRvbd0RIrgJ3NzAUCrE5t3Y+
+KI3UM02FhoGzWM0j8oC/P6GGkNL8bY5JMR2TGWfUiB1UUjT+Y2hCCl0tfZUBWPDu
+NVeqB9dxAgMBAAECggEAGOU56LLnFKbFsFYm9NXgfJPqu1L23UWSA5UOE2ekd3Nq
+RxnvERfN53m/0dcYX4TbHEJhZOahWfUrHoQHtdo02vj5SYjdtxCDmhmy23jNk0gu
+sdNT6J6StY67ZKgG8NxT2ADEmVyeue5MxdhdannkCWGkD+LyDkRWDBTLFT9VKIK4
+dV22NdL7uvIYH+dP8fUYm6sM65+fAcPwj5bVPhCI90TjJo93e2/aBtzaMjdrRcfY
+r8AaRMuY8m/QDvVhIaurki1JxG+Qwz4gT5eWhI8qUwGsxti92/Mz+B3oT8X+AhP0
+tEsRNxu+BrDeb6qM3JpYaR4UbJIFLljVWRFRa67L+QKBgQD1f1eoh6YbMXI9c3Ty
+3u5YRawVRG47MtuMDu94PqUKjo57evQEaOvtwPYADR1G1qFDRJbSbTsVhXEH5YaA
+SuYdNYBNYJzPkD6Du+gwFqiemolKbMb2bTGtdci4FEZIcHS8u+FaARtAJuUWqtTY
+KMqyu95JTcLrHYBnlynWwy+QdwKBgQDHjQVZGIOH2WW6OG7wHHicc7SxjRiBTADk
+aIJAM1JJlgTHZ4o9v47DBOPAT7MCcbI8Ln+/kbJgdNMFC3SyPpzNHtvRp48dNXxx
+liGtLys8GBaBEDzI0jmXb5nZXLk5DfwZEOQ57T4TbYjuBlwjY/FQl+7HWUKgwEt8
+AvPjefb5VwKBgQC+YisQv2HJ5Oa7UTZ4wvoD6sQxGgiCUEaCr3J2xd4n+bX1fLyQ
+Tu3oS6R7FbCGpxwYlrCAL8WKQxoNDarpAyzBqiP93da+ARb6AldmM6xAk4e09/a0
+VKoZ4yXt24tF0jA1zV5N9l2zunYexgyaNcg8JAWWw39N5msV6ty/eE8CsQKBgQCi
+IfI2cbRsrDX7F98LOBbHBzvJBtriMt6GtmMdxpUVNM6tNXMcuIdF7LMfjaHkWnx2
+aVFiVP6ZYFITxzsJl9XO00PHFF0zXkG+CD1UeP6n1Opz8r1wbV5drE9UTAIyWSp7
+Mz470oadQmH/AyvZlVp8IPXhAqUf9x1dpQiDypTgAQKBgQDLeiwRRG6SxnZDddDK
+RNKJaMz1q0GM3KPC4MuM8gPkWBRnrGZ67J3bTpgPYVVFxxyIspDG6miMATfZXnDF
+OKst4raozj7kX5ghZRZCI2okvFEipVkBSwPdAB20mx5DENXOtpr2h+V/57AgD8Ua
+UGTpnMMY2uONH/H/mMPny8D5LA==
+-----END PRIVATE KEY-----";
+
+//        var pbk = @"-----BEGIN PUBLIC KEY-----
+//MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv105aDbCrIYa/xgt+Bkk
+//KisYqI5ElgWfl3t0sa8qq2I8fMso3a04AavJVzjvcbbvo6913BcB4RbKuYivKsEW
+//UIYpwEozha6HrM659HW7izE92nfqQn3ZFynDsJgonx1i6jg59CV5j508efBdSQ/e
+//eCdRLPLoMieku+09Ij3s5h7z4MVdAp+BOy4NtdeC8AYMtSoG+Uv296c+TzEChAj0
+//aiuvUkSM1FOzb8NS66oyvTheWVmHRgZQgaUb23dESK4CdzcwFAqxObd2PiiN1DNN
+//hYaBs1jNI/KAvz+hhpDS/G2OSTEdkxln1IgdVFI0/mNoQgpdLX2VAVjw7jVXqgfX
+//cQIDAQAB
+//-----END PUBLIC KEY-----";
+    }
+}

performance/Performance.Api/Middlewares/RequestCultureMiddlewareExtensions.cs

+using Microsoft.AspNetCore.Builder;
+
+namespace Performance.Api
+{
+    public static class RequestCultureMiddlewareExtensions
+    {
+        /// <summary>
+        /// 过期限制
+        /// </summary>
+        /// <param name="builder"></param>
+        /// <returns></returns>
+        public static IApplicationBuilder UseExpirationLimit(this IApplicationBuilder builder)
+        {
+            return builder.UseMiddleware<ExpirationLimitMiddleware>();
+        }
+    }
+}

performance/Performance.Api/Performance.Api.csproj

@@ -22,6 +22,16 @@
 	  <EmbeddedResource Remove="Files\**" />
 	  <None Remove="Files\**" />
 	</ItemGroup>
+
+	<ItemGroup>
+	  <Content Include="secret.key">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	</ItemGroup>
+
+	<ItemGroup>
+	  <PackageReference Include="XC.RSAUtil" Version="1.3.6" />
+	</ItemGroup>
  
 	<ItemGroup>
 		<ProjectReference Include="..\Performance.DtoModels\Performance.DtoModels.csproj" />

performance/Performance.Api/Program.cs

@@ -11,6 +11,7 @@ public class Program
     {
         public static void Main(string[] args)
         {
+            FunctionLimit.Init();
             var logger = NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger();
             try
             {

performance/Performance.Api/Startup.cs

@@ -5,12 +5,14 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Authorization;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Performance.Api.Configurations;
+using Performance.DtoModels;
 using Performance.Infrastructure;
 using Performance.Services;
 using System.Globalization;
@@ -112,6 +114,9 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
             {
                 app.UseStatusCodePagesWithReExecute("/error/{0}");
             }
+
+            app.UseExpirationLimit();
+
             app.UseRouting();
 
             app.UseAuthentication();
@@ -145,4 +150,5 @@ private void JsonOptions(MvcNewtonsoftJsonOptions json)
             json.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
         }
     }
+
 }

performance/Performance.Api/secret.key

+kR33WgheMa9iB6StfedFJcNte/VPFijyiMqP1eInuxqwaszl84XN0gaNPZAQjf9+NABj4cctSIKfolpUvEk8cGRRy349ud/cPA4mbY/yHQjBKjYczn2McgB8L+nl7t2SjBNUSSWovAsqYataxy0XXmiLSIi8ehTqwp6qWYHEmw/jnveeS5k381gZSZIiL7oqgkF1pOCYsGB72DreN2uT+Efy1wLz0lW4hIKmIoMK/ROVHYZLTcvpc1qNQODCdp0gqtYGcHUlv9uEcxcQMRrIwc4Mvppt/WNW6Dbg5RaXXDYhow4fLHRUabOK45qhYXhEDbR3oFAEXmodydQs+CaA9w==
\ No newline at end of file

performance/Performance.Api/wwwroot/Performance.Api.xml

@@ -2026,6 +2026,18 @@
             <param name="query"></param>
             <returns></returns>
         </member>
+        <member name="T:Performance.Api.ExpirationLimitMiddleware">
+            <summary>
+            过期限制
+            </summary>
+        </member>
+        <member name="M:Performance.Api.RequestCultureMiddlewareExtensions.UseExpirationLimit(Microsoft.AspNetCore.Builder.IApplicationBuilder)">
+            <summary>
+            过期限制
+            </summary>
+            <param name="builder"></param>
+            <returns></returns>
+        </member>
         <member name="M:Performance.Api.ClaimService.GetUserId">
             <summary>
             获取当前请求登录ID

performance/Performance.DtoModels/ResponseType.cs

@@ -15,5 +15,6 @@ public enum ResponseType
         Disable = 7,
         TooManyRequests = 8,
         Warning = 9,
+        Expiration = 99,
     }
 }