创建签名验证自定义中间件 ,优化代码结构

QRCodeService/Controllers/ImageController.cs

@@ -9,6 +9,7 @@ using System.IO;
 using QRCodeService.Application.Queries;
 using QRCodeService.Models;
 using QRCodeService.Options;
+using QRCodeService.Infrastructure.Middlewares;
 
 namespace QRCodeService.Controllers
 {
@@ -25,20 +26,11 @@ namespace QRCodeService.Controllers
             this.appQueries = appQueries;
             this.option = option;
         }
-
+        [CheckSign(typeof(GetQRCodeModel))]
         [Route("qrcode")]
         [HttpPost]
         public async Task<IActionResult> GetImage(GetQRCodeModel input)
         {
-            var app = await appQueries.GetAppAsync(input.AppId);
-            if (app == null)
-            {
-                return BadRequest();
-            }
-            if (!await input.CheckValidAsync(app.Appkey))
-            {
-                return BadRequest();
-            }
             var link = await linkQueries.GetLinkAsync(input.ShortCode);
             if (link.AppId != input.AppId)
             {