SharePoint2013 logon and modify AD domain user password with another user

SharePoint defaults to the ability to modify AD passwords and switch users, and I do this in a future way.

Before you deploy WSP:

After deployment:

Click to log in as a different user

Click to modify user password:

Here's the Extension menu we use CustomAction to implement, we need to add an empty project to deploy it

The XML logged in as a different user is as follows:

The XML that modifies the user's password is as follows:

Here we need to create a new application page, first need to add path mapping:

The code to add the application page is as follows:

<%@ 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> Password Modification </span>     </h3>     <table width= "400px" >           <tr>             <td>            
     Domain             </td>             <td>                  :             </td>              <td>                  <asp:textbox id= "Txtdomain"  runat= "Server"  ></asp:TextBox>              </td>          </tr>          <tr>         &nbSp;    <td>             
     Old Password             </td>             <td>                  :             </td>              <td>                  <asp:textbox id= "Txtold"  runat= "Server"  textmode= "Password" ></asp:textbox >             </td>          </tr>         <tr>       &Nbsp;      <td>                   New Password           
  </td>             <td>                 :             </td>              <td>                  <asp:textbox id= "TxtPass1"  runat= "Server"  textmode= " Password "></asp:TextBox>             </ Td>         </tr>          <tr>   &NBSp;         <td>                   Confirm New Password              </td>              <td>                 :             </td>              <td>                  <asp:textbox id= "TxtPass2"  runat= "Server"   Textmode= "Password" ></asp:TextBox>              </td>         </tr>          <tr&gT             <td colspan= "3"  align= " Center ">                  <br />                  <asp:button id= "Btnchangepwd"  runat= "Server"  text= "Modify password"  onclick= "BtnChangePwd_ Click " />             </td>          </tr>     </table>      <br />     <br /></div></asp:Content> <asp: Content id= "PageTitle"  contentplaceholderid= "Placeholderpagetitle"  runat= "server" > Modify password </ asp:content> <asp:content  id= "Pagetitleintitlearea"   contentplaceholderid= " Placeholderpagetitleintitlearea " runat= "Server"  > Modify password </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;             }          }    &nBsp;   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))             {      &The nbsp;          this.ltmsg.text =  field cannot be empty!
";             }             else if  (String. Isnullorwhitespace (STR3))             {                 this.ltmsg.text =   "Old password cannot be empty!"
";             }             else if  (String. Isnullorwhitespace (str))             {                 this.ltmsg.text =   "The new password cannot be empty!"
";             }            else if  (STR == STR2)              {                 this.
Changeuserpassword (This.txtPass2.Text.Trim (),  STR3, STR4);             }             else              {                 this.ltmsg.text =  "two Times New password inconsistent, please check!"
";             }          }        private void changeuserpassword (String  newpwd, string oldpwd, string domain)  &NBsp;      {             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 =  " Password has been successfully modified!
";                 }                 else                  {                     this.ltmsg.text  =  "Cannot modify your password, please contact your system administrator!"
";                 }              }             catch  (exception exception)              {          &nBsp;     this.ltmsg.text = exception.
message;             }          }        private string getdomaincontainter ( String domain)         {             string str = string. empty;             string[] strarray =  domain. Split (new char[] {  '. ') &NBSP},  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|",  "");  &nBsp;          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|",  "");         }    &nbsp}}