feat 获取新token

Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs

@@ -152,6 +152,39 @@ public class AssignmentService : IAssignmentService
               }).ToList();
         });
     }
+    /// <summary>
+    /// 获取新token
+    /// </summary>
+    /// <param name="taskId"></param>
+    /// <returns></returns>
+    /// <exception cref="NotImplementedException"></exception>
+    public async Task<string> Token(long taskId)
+    {
+        var task = await _dbContext.Queryable<DeviceTaskEntity>().Where(x => x.Id == taskId).FirstAsync();
+
+        task.ThrowIfNull("该任务不存在");
+        if (task.Status != DeviceTaskStatusEnumType.Success)
+        {
+            return "";
+        }
+        string newtoken="";
+        Scoped.Request.Value.Create((sp) =>
+        {
+            FaceUrlOptions faceUrlOptions = sp.GetService<IOptions<FaceUrlOptions>>().Value;
+            var dataProtectionProvider = sp.GetService<IDataProtectionProvider>();
+
+            var timeLimitedDataProtector = dataProtectionProvider
+               .CreateProtector("down:face")
+               .ToTimeLimitedDataProtector();
+            var userCode = task.UserCode;
+
+            var key = $"face:{userCode}";
+            var token = timeLimitedDataProtector.Protect(key, TimeSpan.FromSeconds(faceUrlOptions.Limit));
+            newtoken = faceUrlOptions.Url + token;
+        });
+
+        return newtoken;
+    }
 
 
     public async Task UpdateDeviceTaskStatusAsync(UpdateDeviceTaskStatusRequest request)