GenericIdentity-Klasse
Stellt einen generischen Benutzer dar.
Namespace: System.Security.Principal
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class GenericIdentity
Implements IIdentity
'Usage
Dim instance As GenericIdentity
[SerializableAttribute]
[ComVisibleAttribute(true)]
public class GenericIdentity : IIdentity
[SerializableAttribute]
[ComVisibleAttribute(true)]
public ref class GenericIdentity : IIdentity
/** @attribute SerializableAttribute() */
/** @attribute ComVisibleAttribute(true) */
public class GenericIdentity implements IIdentity
SerializableAttribute
ComVisibleAttribute(true)
public class GenericIdentity implements IIdentity
Hinweise
Ein Identitätsobjekt, das den Benutzer darstellt, für den der Code ausgeführt wird.
| Thema | Position |
|---|---|
| Gewusst wie: Erstellen von GenericPrincipal-Objekten und GenericIdentity-Objekten | .NET Framework: Sicherheit |
| Gewusst wie: Erstellen von GenericPrincipal-Objekten und GenericIdentity-Objekten | .NET Framework: Sicherheit |
Beispiel
Im folgenden Beispiel wird die Verwendung von Membern der GenericIdentity-Klasse veranschaulicht.
Imports System
Imports System.Security.Principal
Public Class Form1
Inherits System.Windows.Forms.Form
' Event handler for Run button.
Private Sub Button1_Click( _
ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
tbxOutput.Cursor = Cursors.WaitCursor
tbxOutput.Text = ""
' Create a GenericIdentity object with no authentication type
' specified.
Dim defaultIdentity As New GenericIdentity("DefaultUser")
' Retrieve a GenericIdentity created from current WindowsIdentity
' values.
Dim currentIdentity As GenericIdentity = GetGenericIdentity()
ShowIdentityPreferences(New GenericIdentity(""))
ShowIdentityPreferences(defaultIdentity)
ShowIdentityPreferences(currentIdentity)
' Align interface and conclude application.
tbxOutput.AppendText(vbCrLf + "This sample completed " + _
"successfully; press Exit to continue.")
tbxOutput.Cursor = Cursors.Default
End Sub
' Print identity preferences to the console window.
Private Sub ShowIdentityPreferences( _
ByVal genericIdentity As GenericIdentity)
' Retrieve the name of the generic identity object.
Dim identityName As String = genericIdentity.Name
' Retrieve the authentication type of the generic identity object.
Dim identityAuthenticationType As String
identityAuthenticationType = genericIdentity.AuthenticationType()
tbxOutput.AppendText(vbCrLf + "Name: " + identityName)
tbxOutput.AppendText(vbCrLf + "Type: " + identityAuthenticationType)
tbxOutput.AppendText(vbCrLf)
' Verify that the user's identity has been authenticated
' (was created with a valid name).
If (genericIdentity.IsAuthenticated) Then
tbxOutput.AppendText("The user's identity has been " + _
"authenticated.")
Else
tbxOutput.AppendText("The user's identity has not been " + _
"authenticated.")
End If
tbxOutput.AppendText(vbCrLf + "~~~~~~~~~~~~~~~~~~~~~~~~~")
End Sub
' Create generic identity based on values from the current
' WindowsIdentity.
Private Function GetGenericIdentity()
' Get values from the current WindowsIdentity.
Dim windowsIdentity As WindowsIdentity = windowsIdentity.GetCurrent()
' Construct a GenericIdentity object based on the current Windows
' identity name and authentication type.
Dim authenticationType As String = windowsIdentity.AuthenticationType
Dim userName As String = windowsIdentity.Name
Dim authenticatedGenericIdentity As _
New GenericIdentity(userName, authenticationType)
Return authenticatedGenericIdentity
End Function
' Event handler for Exit button.
Private Sub Button2_Click( _
ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button2.Click
Application.Exit()
End Sub
#Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
'This call is required by the Windows Form Designer.
InitializeComponent()
'Add any initialization after the InitializeComponent() call
End Sub
'Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer
'It can be modified using the Windows Form Designer.
'Do not modify it using the code editor.
Friend WithEvents Panel2 As System.Windows.Forms.Panel
Friend WithEvents Panel1 As System.Windows.Forms.Panel
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
Friend WithEvents tbxOutput As System.Windows.Forms.RichTextBox
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.Panel2 = New System.Windows.Forms.Panel
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.Panel1 = New System.Windows.Forms.Panel
Me.tbxOutput = New System.Windows.Forms.RichTextBox
Me.Panel2.SuspendLayout()
Me.Panel1.SuspendLayout()
Me.SuspendLayout()
'
'Panel2
'
Me.Panel2.Controls.Add(Me.Button1)
Me.Panel2.Controls.Add(Me.Button2)
Me.Panel2.Dock = System.Windows.Forms.DockStyle.Bottom
Me.Panel2.DockPadding.All = 20
Me.Panel2.Location = New System.Drawing.Point(0, 320)
Me.Panel2.Name = "Panel2"
Me.Panel2.Size = New System.Drawing.Size(616, 64)
Me.Panel2.TabIndex = 1
'
'Button1
'
Me.Button1.Dock = System.Windows.Forms.DockStyle.Right
Me.Button1.Font = New System.Drawing.Font( _
"Microsoft Sans Serif", _
9.0!, _
System.Drawing.FontStyle.Regular, _
System.Drawing.GraphicsUnit.Point, _
CType(0, Byte))
Me.Button1.Location = New System.Drawing.Point(446, 20)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(75, 24)
Me.Button1.TabIndex = 2
Me.Button1.Text = "&Run"
'
'Button2
'
Me.Button2.Dock = System.Windows.Forms.DockStyle.Right
Me.Button2.Font = New System.Drawing.Font( _
"Microsoft Sans Serif", _
9.0!, _
System.Drawing.FontStyle.Regular, _
System.Drawing.GraphicsUnit.Point, _
CType(0, Byte))
Me.Button2.Location = New System.Drawing.Point(521, 20)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(75, 24)
Me.Button2.TabIndex = 3
Me.Button2.Text = "E&xit"
'
'Panel1
'
Me.Panel1.Controls.Add(Me.tbxOutput)
Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill
Me.Panel1.DockPadding.All = 20
Me.Panel1.Location = New System.Drawing.Point(0, 0)
Me.Panel1.Name = "Panel1"
Me.Panel1.Size = New System.Drawing.Size(616, 320)
Me.Panel1.TabIndex = 2
'
'tbxOutput
'
Me.tbxOutput.AccessibleDescription = _
"Displays output from application."
Me.tbxOutput.AccessibleName = "Output textbox."
Me.tbxOutput.Dock = System.Windows.Forms.DockStyle.Fill
Me.tbxOutput.Location = New System.Drawing.Point(20, 20)
Me.tbxOutput.Name = "tbxOutput"
Me.tbxOutput.Size = New System.Drawing.Size(576, 280)
Me.tbxOutput.TabIndex = 1
Me.tbxOutput.Text = "Click the Run button to run the application."
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
Me.ClientSize = New System.Drawing.Size(616, 384)
Me.Controls.Add(Me.Panel1)
Me.Controls.Add(Me.Panel2)
Me.Name = "Form1"
Me.Text = "GenericIdentity"
Me.Panel2.ResumeLayout(False)
Me.Panel1.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
#End Region
End Class
using System;
using System.Security.Principal;
class GenericIdentityMembers
{
[STAThread]
static void Main(string[] args)
{
// Create a GenericIdentity object with no authentication type
// specified.
GenericIdentity defaultIdentity = new GenericIdentity("DefaultUser");
// Retrieve a GenericIdentity created from current WindowsIdentity
// values.
GenericIdentity currentIdentity = GetGenericIdentity();
ShowIdentityPreferences(new GenericIdentity(""));
ShowIdentityPreferences(defaultIdentity);
ShowIdentityPreferences(currentIdentity);
Console.WriteLine("The sample completed successfully; " +
"press Enter to continue.");
Console.ReadLine();
}
// Print identity preferences to the console window.
private static void ShowIdentityPreferences(
GenericIdentity genericIdentity)
{
// Retrieve the name of the generic identity object.
string identityName = genericIdentity.Name;
// Retrieve the authentication type of the generic identity object.
string identityAuthenticationType =
genericIdentity.AuthenticationType;
Console.WriteLine("Name: " + identityName);
Console.WriteLine("Type: " + identityAuthenticationType);
// Verify that the user's identity has been authenticated
// (was created with a valid name).
if (genericIdentity.IsAuthenticated)
{
Console.WriteLine("The user's identity has been authenticated.");
}
else
{
Console.WriteLine("The user's identity has not been " +
"authenticated.");
}
Console.WriteLine("~~~~~~~~~~~~~~~~~~~~~~~~~");
}
// Create generic identity based on values from the current
// WindowsIdentity.
private static GenericIdentity GetGenericIdentity()
{
// Get values from the current WindowsIdentity.
WindowsIdentity windowsIdentity = WindowsIdentity.GetCurrent();
// Construct a GenericIdentity object based on the current Windows
// identity name and authentication type.
string authenticationType = windowsIdentity.AuthenticationType;
string userName = windowsIdentity.Name;
GenericIdentity authenticatedGenericIdentity =
new GenericIdentity(userName, authenticationType);
return authenticatedGenericIdentity;
}
}
using namespace System;
using namespace System::Security::Principal;
void ShowIdentityPreferences( GenericIdentity^ genericIdentity );
GenericIdentity^ GetGenericIdentity();
[STAThread]
int main()
{
// Create a GenericIdentity object with no authentication type
// specified.
GenericIdentity^ defaultIdentity = gcnew GenericIdentity( "DefaultUser" );
// Retrieve a GenericIdentity created from current WindowsIdentity
// values.
GenericIdentity^ currentIdentity = GetGenericIdentity();
ShowIdentityPreferences( gcnew GenericIdentity( "" ) );
ShowIdentityPreferences( defaultIdentity );
ShowIdentityPreferences( currentIdentity );
Console::WriteLine( "The sample completed successfully; "
"press Enter to continue." );
Console::ReadLine();
}
// Print identity preferences to the console window.
void ShowIdentityPreferences( GenericIdentity^ genericIdentity )
{
// Retrieve the name of the generic identity object.
String^ identityName = genericIdentity->Name;
// Retrieve the authentication type of the generic identity object.
String^ identityAuthenticationType = genericIdentity->AuthenticationType;
Console::WriteLine( "Name: {0}", identityName );
Console::WriteLine( "Type: {0}", identityAuthenticationType );
// Verify that the user's identity has been authenticated
// (was created with a valid name).
if ( genericIdentity->IsAuthenticated )
{
Console::WriteLine( "The user's identity has been authenticated." );
}
else
{
Console::WriteLine( "The user's identity has not been "
"authenticated." );
}
Console::WriteLine( "~~~~~~~~~~~~~~~~~~~~~~~~~" );
}
// Create generic identity based on values from the current
// WindowsIdentity.
GenericIdentity^ GetGenericIdentity()
{
// Get values from the current WindowsIdentity.
WindowsIdentity^ windowsIdentity = WindowsIdentity::GetCurrent();
// Construct a GenericIdentity object based on the current Windows
// identity name and authentication type.
String^ authenticationType = windowsIdentity->AuthenticationType;
String^ userName = windowsIdentity->Name;
GenericIdentity^ authenticatedGenericIdentity = gcnew GenericIdentity( userName,authenticationType );
return authenticatedGenericIdentity;
}
import System.*;
import System.Security.Principal.*;
class GenericIdentityMembers
{
/** @attribute STAThread()
*/
public static void main(String[] args)
{
// Create a GenericIdentity object with no authentication type
// specified.
GenericIdentity defaultIdentity = new GenericIdentity("DefaultUser");
// Retrieve a GenericIdentity created from current WindowsIdentity
// values.
GenericIdentity currentIdentity = GetGenericIdentity();
ShowIdentityPreferences(new GenericIdentity(""));
ShowIdentityPreferences(defaultIdentity);
ShowIdentityPreferences(currentIdentity);
Console.WriteLine("The sample completed successfully; "
+ "press Enter to continue.");
Console.ReadLine();
} //main
// Print identity preferences to the console window.
private static void ShowIdentityPreferences(GenericIdentity genericIdentity)
{
// Retrieve the name of the generic identity object.
String identityName = genericIdentity.get_Name();
// Retrieve the authentication type of the generic identity object.
String identityAuthenticationType
= genericIdentity.get_AuthenticationType();
Console.WriteLine("Name: " + identityName);
Console.WriteLine("Type: " + identityAuthenticationType);
// Verify that the user's identity has been authenticated
// (was created with a valid name).
if (genericIdentity.get_IsAuthenticated()) {
Console.WriteLine("The user's identity has been authenticated.");
}
else {
Console.WriteLine("The user's identity has not been "
+ "authenticated.");
}
Console.WriteLine("~~~~~~~~~~~~~~~~~~~~~~~~~");
} //ShowIdentityPreferences
// Create generic identity based on values from the current
// WindowsIdentity.
private static GenericIdentity GetGenericIdentity()
{
// Get values from the current WindowsIdentity.
WindowsIdentity windowsIdentity = WindowsIdentity.GetCurrent();
// Construct a GenericIdentity object based on the current Windows
// identity name and authentication type.
String authenticationType = windowsIdentity.get_AuthenticationType();
String userName = windowsIdentity.get_Name();
GenericIdentity authenticatedGenericIdentity
= new GenericIdentity(userName, authenticationType);
return authenticatedGenericIdentity;
} //GetGenericIdentity
} //GenericIdentityMembers
Vererbungshierarchie
System.Object
System.Security.Principal.GenericIdentity
System.Net.HttpListenerBasicIdentity
Threadsicherheit
Alle öffentlichen statischen (Shared in Visual Basic) Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Plattformen
Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0