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【Asp.Net】 NET 安全操作类
作者:Dezai.CN / 发布于2012/8/13/ 505
NET 安全操作类
<div>using System;
using System.Text.RegularExpressions;
using System.Web;
using System.Security.Cryptography;
using System.Text;
using System.Reflection;</div>
<div>namespace Pub.Class {
 /// <summary>
 /// 安全操作类
 /// </summary>
 public class Safe {</div>
<div> #region IsSafeUrl
 /// <summary>
 /// 不允许在本地提交数据
 /// </summary>
 /// <remarks>返回是否是安全URL</remarks>
 /// <param name="doMain">域名</param>
 public static bool IsSafeUrl(string doMain) {
 string url = Request2.GetReferrer().ToLower().Trim().Replace("http://", "").Replace("https://", "").Split('/')[0];
 doMain = doMain.ToLower().Trim();
 if (url.IndexOf(doMain)>-1) return true;
 return false;
 }
 #endregion</div>
<div> #region Kill/Run
 /// <summary>
 /// 杀死进程
 /// </summary>
 /// <param name="processName">进程名</param>
 public static void Kill(string processName)
 {
 System.Diagnostics.Process myproc = new System.Diagnostics.Process();
 System.Diagnostics.Process[] procs = System.Diagnostics.Process.GetProcessesByName(processName);// '得到所有打开的进程
 try {
 foreach (System.Diagnostics.Process proc in procs) {
 if (!proc.CloseMainWindow()) { proc.Kill(); }
 }
 } catch { } finally { myproc.Dispose(); }
 }
 /// <summary>
 /// 运行一个进程
 /// </summary>
 /// <param name="cmd"></param>
 /// <param name="arguments"></param>
 /// <param name="winStyle"></param>
 /// <returns></returns>
 public static bool Run(string cmd,string arguments,System.Diagnostics.ProcessWindowStyle winStyle) {
 bool _isTrue = false;
 if (cmd.Trim().Equals("")) return false;
 try {
 System.Diagnostics.Process pScore = new System.Diagnostics.Process();
 pScore.StartInfo.FileName = cmd;
 pScore.StartInfo.Arguments = arguments;
 pScore.StartInfo.ErrorDialog = false;
 pScore.StartInfo.UseShellExecute = true;
 pScore.StartInfo.RedirectStandardOutput = false;
 pScore.StartInfo.WindowStyle = winStyle;
 pScore.Start();
 pScore.Close();
 _isTrue = true;
 } catch { }
 return _isTrue;
 }
 #endregion</div>
<div> #region 防刷新页面代码
 /// <summary>
 /// 设置打开页面的时间
 /// </summary>
 public static void SetDateTime() {
 Cookie2.Set("__sysTime", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
 }
 /// <summary>
 /// 判断是否在指定多少秒内提交数据，来达到判断是否刷新页面的目的
 /// </summary>
 /// <param name="seconds">多少秒内</param>
 /// <returns>是/否</returns>
 public static bool IsRefresh(int seconds) {
 string _sysTime = Cookie2.Get("__sysTime");
 if (_sysTime.Trim()=="") return true;
 if (!_sysTime.IsDateTime()) return true;
 DateTime _startTime = DateTime.Parse(_sysTime);
 DateTime _endTime = DateTime.Now;
 TimeSpan _value = _startTime.GetTimeSpan(_endTime);
 if (_value.Seconds >= seconds) return false;
 else {
 Js.Alert("不允许刷新，或快速提交数据，请" + seconds.ToString() + "秒后提交数据。");
 return true;
 }
 }
 #endregion</div>
<div> public static void SafeGetPost(string doMain){
 if (string.IsNullOrEmpty(doMain)) return;
 bool isTrue = false;
 string[] doMainArr = doMain.Split('|');
 for (int i = 0; i <= doMainArr.Length - 1; i++) if (Safe.IsSafeUrl(doMainArr[i])) isTrue = true;
 if (!isTrue) { Msg.Write("不允许在本地提交数据。"); Msg.End(); } 
 }
<div> public static object DllInvoke(string DllFileName, string NameSpace, string ClassName, string MethodName, object[] ObjArrayParams){
 Assembly DllAssembly = Assembly.LoadFrom(DllFileName);
 Type[] DllTypes = DllAssembly.GetTypes();
 foreach (Type DllType in DllTypes){
 if (DllType.Namespace == NameSpace && DllType.Name == ClassName){
 MethodInfo MyMethod = DllType.GetMethod(MethodName);
 if (MyMethod != null){
 object mObject = Activator.CreateInstance(DllType);
 return MyMethod.Invoke(mObject, ObjArrayParams);
 }
 }
 }
 return (object)0;
 }
<div> }
}
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