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// Licensed under the MIT License.
#region Using directives
using System;
using System.Management.Automation;
using System.Management.Automation.SecurityAccountsManager;
using System.Management.Automation.SecurityAccountsManager.Extensions;
using Microsoft.PowerShell.LocalAccounts;
#endregion
namespace Microsoft.PowerShell.Commands
{
/// <summary>
/// The Rename-LocalUser cmdlet renames a local user account in the Security
/// Accounts Manager.
/// </summary>
[Cmdlet(VerbsCommon.Rename, "LocalUser",
SupportsShouldProcess = true,
HelpUri = "https://go.microsoft.com/fwlink/?LinkID=717983")]
[Alias("rnlu")]
public class RenameLocalUserCommand : Cmdlet
{
#region Instance Data
private Sam sam = null;
#endregion Instance Data
#region Parameter Properties
/// <summary>
/// The following is the definition of the input parameter "InputObject".
/// Specifies the of the local user account to rename in the local Security
/// Accounts Manager.
/// </summary>
[Parameter(Mandatory = true,
Position = 0,
ValueFromPipeline = true,
ValueFromPipelineByPropertyName = true,
ParameterSetName = "InputObject")]
[ValidateNotNull]
public Microsoft.PowerShell.Commands.LocalUser InputObject
{
get { return this.inputobject;}
set { this.inputobject = value; }
}
private Microsoft.PowerShell.Commands.LocalUser inputobject;
/// <summary>
/// The following is the definition of the input parameter "Name".
/// Specifies the local user account to be renamed in the local Security
/// Accounts Manager.
/// </summary>
[Parameter(Mandatory = true,
Position = 0,
ValueFromPipeline = true,
ValueFromPipelineByPropertyName = true,
ParameterSetName = "Default")]
[ValidateNotNullOrEmpty]
public string Name
{
get { return this.name;}
set { this.name = value; }
}
private string name;
/// <summary>
/// The following is the definition of the input parameter "NewName".
/// Specifies the new name for the local user account in the Security Accounts
/// Manager.
/// </summary>
[Parameter(Mandatory = true,
Position = 1)]
[ValidateNotNullOrEmpty]
public string NewName
{
get { return this.newname;}
set { this.newname = value; }
}
private string newname;
/// <summary>
/// The following is the definition of the input parameter "SID".
/// Specifies the local user to rename.
/// </summary>
[Parameter(Mandatory = true,
Position = 0,
ValueFromPipeline = true,
ValueFromPipelineByPropertyName = true,
ParameterSetName = "SecurityIdentifier")]
[ValidateNotNull]
public System.Security.Principal.SecurityIdentifier SID
{
get { return this.sid;}
set { this.sid = value; }
}
private System.Security.Principal.SecurityIdentifier sid;
#endregion Parameter Properties
#region Cmdlet Overrides
/// <summary>
/// BeginProcessing method.
/// </summary>
protected override void BeginProcessing()
{
sam = new Sam();
}
/// <summary>
/// ProcessRecord method.
/// </summary>
protected override void ProcessRecord()
{
try
{
ProcessUser();
ProcessName();
ProcessSid();
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
/// <summary>
/// EndProcessing method.
/// </summary>
protected override void EndProcessing()
{
if (sam != null)
{
sam.Dispose();
sam = null;
}
}
#endregion Cmdlet Overrides
#region Private Methods
/// <summary>
/// Process user requested by -Name.
/// </summary>
/// <remarks>
/// Arguments to -Name will be treated as names,
/// even if a name looks like a SID.
/// </remarks>
private void ProcessName()
{
if (Name != null)
{
try
{
if (CheckShouldProcess(Name, NewName))
sam.RenameLocalUser(sam.GetLocalUser(Name), NewName);
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
}
/// <summary>
/// Process user requested by -SID.
/// </summary>
private void ProcessSid()
{
if (SID != null)
{
try
{
if (CheckShouldProcess(SID.ToString(), NewName))
sam.RenameLocalUser(SID, NewName);
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
}
/// <summary>
/// Process group given through -InputObject.
/// </summary>
private void ProcessUser()
{
if (InputObject != null)
{
try
{
if (CheckShouldProcess(InputObject.Name, NewName))
sam.RenameLocalUser(InputObject, NewName);
}
catch (Exception ex)
{
WriteError(ex.MakeErrorRecord());
}
}
}
/// <summary>
/// Determine if a user should be processed.
/// Just a wrapper around Cmdlet.ShouldProcess, with localized string
/// formatting.
/// </summary>
/// <param name="userName">
/// Name of the user to rename.
/// </param>
/// <param name="newName">
/// New name for the user.
/// </param>
/// <returns>
/// True if the user should be processed, false otherwise.
/// </returns>
private bool CheckShouldProcess(string userName, string newName)
{
string msg = StringUtil.Format(Strings.ActionRenameUser, newName);
return ShouldProcess(userName, msg);
}
#endregion Private Methods
}
}
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