update:请求加密&防篡改

QRCodeService/Models/CheckSignModel.cs

@@ -0,0 +1,43 @@
+using QRCodeService.Application.Queries;
+using QRCodeService.Extensions;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QRCodeService.Models
+{
+    public abstract class CheckSignModel
+    {
+        public int AppId { get; set; }
+        public string Time { get; set; }
+        public string Sign { get; set; }
+        public async Task<bool> CheckSignAsync(string appkey)
+        {
+            //除Sign字段以外按key名排序
+            var props = this.GetType().GetProperties();
+            var signStr = string.Join(null,props.Where(p=>p.Name!="Sign").OrderBy(p => p.Name).Select(p=>p.GetValue(this).ToString()));
+            var sign = Convert.ToBase64String((signStr + appkey).ToMD5());
+            return sign == Sign;
+        }
+        public bool CheckTime()
+        {
+            var timeDate = Time.ToDate("yyyyMMddhhmmss");
+            if (timeDate == null)
+            {
+                return false;
+            }
+            if (Math.Abs((timeDate.Value - DateTime.Now).TotalSeconds) > 60)
+            {
+                return false;
+            }
+            return true;
+        }
+        public async Task<bool> CheckValidAsync(string appkey)
+        {
+            return CheckTime() && await CheckSignAsync(appkey);
+        }
+    }
+}

QRCodeService/Models/CreateLinkModel.cs

@@ -1,4 +1,5 @@
-using System;
+using QRCodeService.Application.Queries;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -6,9 +7,8 @@ using System.Threading.Tasks;
 
 namespace QRCodeService.Models
 {
-    public class CreateLinkModel
+    public class CreateLinkModel: CheckSignModel
     {
         public string SuffixUrl { get; set; }
-        public string Time { get; set; }
     }
 }

QRCodeService/Models/GenInputModel.cs

@@ -1,16 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace QRCodeService.Models
-{
-    public class GenInputModel
-    {
-        public int AppId { get; set; }
-        public string Time { get; set; }
-        public string SuffixUrl { get; set; }
-        public string Sign { get; set; }
-    }
-}