c# .net mvc webapi Filters 筛选器中获取请求参数和响应内容

男娘i 2024-02-17 16:15 58阅读 0赞

using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;
    using System.Text;
    using Grass.Extend;
    
    namespace Grass.Mvc.Infrastructure.Filter
    {
        public class WebApiActionDebugFilter : System.Web.Http.Filters.ActionFilterAttribute
        {
            /// <summary>
            /// 是否开启调试
            /// </summary>
            private bool _isDebugLog = true;
    
            public string DebugId
            {
                set
                {
                    var session = System.Web.HttpContext.Current.Session;
                    if (session != null)
                    {
                        session["RequestDebugId"] = value;
                    }
                }
                get
                {
                    var session = System.Web.HttpContext.Current.Session;
                    if (session != null && session["RequestDebugId"]!=null)
                    {
                        return session["RequestDebugId"].ToString();
                    }
                    return string.Empty;
                }
            }
    
            public override void OnActionExecuting(System.Web.Http.Controllers.HttpActionContext context)
            {
                base.OnActionExecuting(context);
                //记录请求内容
                if (_isDebugLog)
                {
                    try
                    {
                        var guid = System.Guid.NewGuid().ToString();
                        DebugId = guid;
                        var session = System.Web.HttpContext.Current.Session;
                        var request = System.Web.HttpContext.Current.Request;
                        var keys = request.Form.AllKeys;
                        
                        var task = context.Request.Content.ReadAsStreamAsync();
                        var content = string.Empty;
                        using (System.IO.Stream sm = task.Result)
                        {
                            if (sm != null)
                            {
                                sm.Seek(0, SeekOrigin.Begin);
                                int len = (int) sm.Length;
                                byte[] inputByts = new byte[len];
                                sm.Read(inputByts, 0, len);
                                sm.Close();
                                content = Encoding.UTF8.GetString(inputByts);
                            }
                        }
                        string pars = string.Format("请求：\r\n id = {3};\r\n sessionId = {0};\r\n url = {1};\r\n contentType = {4};\r\n content = {2};"
                            ,""// (session==null)?"...":session.SessionID
                            , request.RawUrl
                            , content
                            , guid
                            , request.ContentType);
    
                    }
                    catch (Exception ex)
                    {
                    }
                }
            }
            public override void OnActionExecuted(System.Web.Http.Filters.HttpActionExecutedContext context)
            {
                base.OnActionExecuted(context);
                //记录请求内容
                if (_isDebugLog)
                {
                    try
                    {
                        var session = System.Web.HttpContext.Current.Session;
                        var task = context.Response.Content.ReadAsStringAsync();
                        var txt = task.Result;
                        string pars = string.Format("响应：\r\n id = {2};\r\n sessionId = {0};\r\n response = {1}"
                            , ""//(session == null) ? "..." : session.SessionID
                            , txt
                            , DebugId);
                    }
                    catch (Exception ex)
                    {
                    }
                }
            }
            
        }
    }