转移.net core 3.1，为.NET 5做准备

OpenAuth.WebApi/Model/GlobalHttpHeaderOperationFilter.cs

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+// <copyright file="GlobalHttpHeaderOperationFilter.cs" company="openauth.me">
+// Copyright (c) 2019 openauth.me. All rights reserved.
+// </copyright>
+// <author>www.cnblogs.com/yubaolee</author>
+// <date>2019-01-05</date>
+// <summary>在swagger界面加上http header</summary>
+
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.Extensions.Options;
+using Microsoft.OpenApi.Models;
+using OpenAuth.App;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace OpenAuth.WebApi.Model
+{
+    public class GlobalHttpHeaderOperationFilter : IOperationFilter
+    {
+        private IOptions<AppSetting> _appConfiguration;
+
+        public GlobalHttpHeaderOperationFilter(IOptions<AppSetting> appConfiguration)
+        {
+            _appConfiguration = appConfiguration;
+        }
+
+        public void Apply(OpenApiOperation operation, OperationFilterContext context)
+        {
+            //如果是Identity认证方式，不需要界面添加x-token得输入框
+            if (_appConfiguration.Value.IsIdentityAuth)
+                return;
+
+            if (operation.Parameters == null)
+            {
+                operation.Parameters = new List<OpenApiParameter>();
+            }
+
+            var actionAttrs = context.ApiDescription.ActionDescriptor.EndpointMetadata;
+            var isAnony = actionAttrs.Any(a => a.GetType() == typeof(AllowAnonymousAttribute));
+
+            //不是匿名，则添加默认的X-Token
+            if (!isAnony)
+            {
+                operation.Parameters.Add(new OpenApiParameter
+                {
+                    Name = Define.TOKEN_NAME,  
+                    In = ParameterLocation.Header,
+                    Description = "当前登录用户登录token",
+                    Required = false
+                });
+            }
+        }
+    }
+}