[03-11 19:36:02] 来源：http://www.67xuexi.com 软件使用 阅读：85235次
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 > 0)
{
str = str.Substring(0, str.Length - 1);
} 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 == 2)
{ return strArray[0];
} 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|", "");
}
}
}