烦烦烦SharePoint2013 以其他用户登录和修改AD域用户密码

sharepoint默认是没有修改AD密码 和切换 用户的功能，这里我用future的方式来实现。

部署wsp前：

部署后

点击以其他用户身份登录

点击修改用户密码：

这里的扩展才菜单我们用CustomAction来实现，我们需要添加空项目来部署它

以其他用户身份登录得xml如下：

修改用户密码的xml如下：

这里我们需要新建一个应用程序页面，首先需要添加路径映射：

添加应用程序页面的代码如下：
<%@ Assembly Name="$SharePoint.Project.AssemblyFullName$" %><%@ Import Namespace=
"Microsoft.SharePoint.ApplicationPages" %>
<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" 
Assembly="Microsoft.SharePoint,
 Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities"
 Assembly="Microsoft.SharePoint,
 Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Register Tagprefix="asp" Namespace="System.Web.UI"
 Assembly="System.Web.Extensions,
 Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<%@ Import Namespace="Microsoft.SharePoint" %>
<%@ Assembly Name="Microsoft.Web.CommandUI, Version=15.0.0.0, Culture=neutral,
 PublicKeyToken=71e9bce111e9429c" %>
<%@ Page Language="C#" AutoEventWireup="true" 
CodeBehind="ChangePassword.aspx.cs" 
Inherits="SharePointProjectDemo.Layouts.ChangePassword.ChangePassword"
 DynamicMasterPageFile="~masterurl/default.master" %>
<asp:Content ID="PageHead" 
ContentPlaceHolderID="PlaceHolderAdditionalPageHead" runat="server">
</asp:Content><asp:Content ID="Main" ContentPlaceHolderID="PlaceHolderMain" runat="server">
     <asp:Literal ID="ltMsg" EnableViewState="false" runat="server"></asp:Literal><div>
    <h3>
        <span>修改密码</span>
    </h3>
    <table width="400px">
         <tr>
            <td>
               域            </td>
            <td>
                :            </td>
            <td>
                <asp:TextBox ID="txtdomain" runat="server" ></asp:TextBox>
            </td>
        </tr>
         <tr>
            <td>
                旧密码            </td>
            <td>
                :            </td>
            <td>
                <asp:TextBox ID="txtOld" runat="server" TextMode="Password"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td>
                新密码            </td>
            <td>
                :            </td>
            <td>
                <asp:TextBox ID="txtPass1" runat="server" TextMode="Password"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td>
                确认新密码            </td>
            <td>
                :            </td>
            <td>
                <asp:TextBox ID="txtPass2" runat="server" TextMode="Password"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td colspan="" align="center">
                <br />
                <asp:Button ID="btnChangePwd" runat="server" Text="修改密码"
 OnClick="btnChangePwd_Click" />
            </td>
        </tr>
    </table>
    <br />
    <br /></div></asp:Content>
<asp:Content ID="PageTitle" ContentPlaceHolderID="PlaceHolderPageTitle" runat="server">
修改密码
</asp:Content>
<asp:Content
 ID="PageTitleInTitleArea" 
ContentPlaceHolderID="PlaceHolderPageTitleInTitleArea" runat="server" >
修改密码</asp:Content>
 
 
using System;using Microsoft.SharePoint;using Microsoft.SharePoint.WebControls;
using System.Security.Principal;using System.DirectoryServices.AccountManagement;
namespace SharePointProjectDemo.Layouts.ChangePassword
{    public class Impersonator
    {        // Fields

        private WindowsImpersonationContext ctx = null;        // Methods
        public void BeginImpersonation()
        {            try
            {                if (!WindowsIdentity.GetCurrent().IsSystem)
                {       this.ctx = WindowsIdentity.Impersonate(WindowsIdentity.GetCurrent().Token);   
                 this.IsImpersonated = true;
                }
            }            catch
            {                this.IsImpersonated = false;
            }
        }        public void StopImpersonation()
        {            if (this.ctx != null)
            {                this.ctx.Undo();
            }
        }        // Properties
        public bool IsImpersonated
        {            set;            get;
        }
    }    public partial class ChangePassword : LayoutsPageBase
    {        protected void btnChangePwd_Click(object sender, EventArgs e)
        {            string str = this.txtPass1.Text.Trim();  
          string str2 = this.txtPass2.Text.Trim();  
          string str3 = this.txtOld.Text.Trim(); 
           string str4 = this.txtdomain.Text.Trim();    
        if (string.IsNullOrWhiteSpace(str4))
            {                this.ltMsg.Text = "域不能为空！";
            }            else if (string.IsNullOrWhiteSpace(str3))
            {                this.ltMsg.Text = "旧密码不能为空！";
            }            else if (string.IsNullOrWhiteSpace(str))
            {                this.ltMsg.Text = "新密码不能为空！";
            }            else if (str == str2)
            {                this.ChangeUserPassword(this.txtPass2.Text.Trim(), str3, str4);
            }            else
            {                this.ltMsg.Text = "两次新密码不一致，请检查！";
            }
        }        private void ChangeUserPassword(string NewPwd, string OldPwd, string domain)
        {            try
            {
                Impersonator impersonator = new Impersonator();
                impersonator.BeginImpersonation();    
            using (PrincipalContext context = this.GetPContext(OldPwd, domain))
                {                  
  using (UserPrincipal principal = UserPrincipal.FindByIdentity
(context, IdentityType.SamAccountName, GetLoginName()))
                    {
                        principal.ChangePassword(OldPwd, NewPwd);
                    }
                }                if (impersonator.IsImpersonated)
                {
                    impersonator.StopImpersonation();                    this.ltMsg.Text = "已成功修改密码！";
                }                else
                {                    this.ltMsg.Text = "无法修改您的密码，请联系您的系统管理员！";
                }
            }            catch (Exception exception)
            {                this.ltMsg.Text = exception.Message;
            }
        }        private string GetDomainContainter(string domain)
        {            string str = string.Empty;  
          string[] strArray = domain.Split(new char[] { '.' },
 StringSplitOptions.RemoveEmptyEntries); 
           foreach (string str2 in strArray)
            {
                str = str + "DC=" + str2 + ",";
            }            if (str.Length > )
            {
                str = str.Substring(, str.Length - );
            }            return str;
        }        private string GetLoginName()
        {            string username= SPContext.Current.Web.CurrentUser.LoginName.Replace("i:0#.w|", "");
            if(username.EndsWith(@"system"))
            {
                username = username.Replace("system", "sherry");
            }            return username;
        }        private string GetLoginNameDomain()
        {            string[] strArray = GetLoginName().Split(new char[] { '\' },
 StringSplitOptions.RemoveEmptyEntries); 
           if (strArray.Length == )
            {                return strArray[];
            }            return null;
        }        private PrincipalContext GetPContext(string OldPwd, string domain)
        {            return new PrincipalContext(ContextType.Domain, domain, this.GetDomainContainter(domain), 
ContextOptions.Negotiate, this.GetLoginName(), OldPwd);
        }        protected void Page_Load(object sender, EventArgs e)
        {            this.ltMsg.Text = GetLoginName().Replace("i:0#.w|", "");
        }

    }
}