概述 開放封閉原則是面向對象的設計的中級目標，而依賴倒置原則是實現開放封閉原則的基礎。如果開放封閉原則是設計大樓的藍田，那麼依賴倒置原則就是大樓的鋼鐵架構。 高層模塊（調用者）不應該依賴於低層模塊（被調用者），兩個都應該依賴於抽象。依賴倒置原則的本質是通過介面或抽象使各個模塊的實現獨立，彼此互補影響 ...
fiddler抓包工具，相信很多人都用過，很好用的一款抓包工具。
fiddlercore是官方提供給開發者調用的，用來處理所有的http/https請求，功能就如Fiddler一樣強大，fiddlercore官方網站：https://www.telerik.com/fiddlercore
下麵我們利用fiddlercore來修改瀏覽器的響應數據。
自動設置https證書，所有請求都返回“二十有為”
using System; using System.Collections.Generic; using System.IO; using System.Reflection; using System.Threading; using Fiddler; using System.Net.Security; using System.Security.Cryptography.X509Certificates; using System.Text; namespace Demo { class Program { static Proxy oSecureEndpoint; static string sSecureEndpointHostname = "localhost"; static int iSecureEndpointPort = 9876; static void Main(string[] args) { Console.WriteLine("Starting ..."); Fiddler.CertMaker.createRootCert(); X509Certificate2 oRootCert = Fiddler.CertMaker.GetRootCertificate(); SetMachineTrust(oRootCert); Fiddler.FiddlerApplication.oDefaultClientCertificate = oRootCert; List<Fiddler.Session> oAllSessions = new List<Fiddler.Session>(); #region AttachEventListeners Fiddler.FiddlerApplication.BeforeRequest += delegate(Fiddler.Session oS) { oS.bBufferResponse = true; HTTPRequestHeaders rHeads = oS.oRequest.headers; //獲取cookie string cookie = rHeads.AllValues("cookie"); if ((oS.oRequest.pipeClient.LocalPort == iSecureEndpointPort) && (oS.hostname == sSecureEndpointHostname)) { oS.utilCreateResponseAndBypassServer(); oS.oResponse.headers.HTTPResponseStatus = "200 Ok"; oS.oResponse["Content-Type"] = "text/html; charset=UTF-8"; oS.oResponse["Cache-Control"] = "private, max-age=0"; oS.utilSetResponseBody("<html><body>show!</body></html>"); } }; Fiddler.FiddlerApplication.BeforeResponse += new Fiddler.SessionStateHandler(FiddlerApplication_BeforeResponse); Console.CancelKeyPress += new ConsoleCancelEventHandler(Console_CancelKeyPress); #endregion AttachEventListeners Fiddler.CONFIG.IgnoreServerCertErrors = true; FiddlerApplication.Prefs.SetBoolPref("fiddler.network.streaming.abortifclientaborts", false); FiddlerCoreStartupFlags oFCSF = FiddlerCoreStartupFlags.Default; int iPort = 0; Fiddler.FiddlerApplication.Startup(iPort, oFCSF); oSecureEndpoint = FiddlerApplication.CreateProxyEndpoint(iSecureEndpointPort, true, sSecureEndpointHostname); if (null != oSecureEndpoint) { WriteCommandResponse("success!"); } bool bDone = false; do { Console.WriteLine("\nEnter h or q:"); Console.Write(">"); ConsoleKeyInfo cki = Console.ReadKey(); Console.WriteLine(); switch (cki.KeyChar) { case 'q': case 'Q': bDone = true; DoQuit(); break; } } while (!bDone); } static void FiddlerApplication_BeforeResponse(Fiddler.Session oSession) { if (oSession.isHTTPS) { string hostname = oSession.hostname; int stateCode = oSession.oResponse.headers.HTTPResponseCode; string pathAndQuery = oSession.PathAndQuery; //獲取伺服器返回的html string body = oSession.GetResponseBodyAsString(); //修改body body = "二十有為"; oSession.utilDecodeResponse(); oSession.utilSetResponseBody(body); } else { string body = oSession.GetResponseBodyAsString(); } } private static bool SetMachineTrust(X509Certificate2 oRootCert) { try { System.Security.Cryptography.X509Certificates.X509Store certStore = new System.Security.Cryptography.X509Certificates.X509Store(StoreName.Root, StoreLocation.LocalMachine); certStore.Open(OpenFlags.ReadWrite); try { certStore.Add(oRootCert); } finally { certStore.Close(); } return true; } catch (Exception) { return false; } } static void Console_CancelKeyPress(object sender, ConsoleCancelEventArgs e) { DoQuit(); } private static void WriteCommandResponse(string s) { ConsoleColor oldColor = Console.ForegroundColor; Console.ForegroundColor = ConsoleColor.Green; Console.WriteLine(s); Console.ForegroundColor = oldColor; } private static void DoQuit() { WriteCommandResponse("Shutting down..."); if (null != oSecureEndpoint) oSecureEndpoint.Dispose(); Fiddler.FiddlerApplication.Shutdown(); Thread.Sleep(500); } } }
Demo下載地址：https://pan.baidu.com/s/1_s7ywb3O6zuMto5SDH4Jng
提取碼：czun
