GenericPrincipal-Klasse
Stellt einen generischen Principal dar.
Namespace: System.Security.Principal
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class GenericPrincipal
Implements IPrincipal
'Usage
Dim instance As GenericPrincipal
[SerializableAttribute]
[ComVisibleAttribute(true)]
public class GenericPrincipal : IPrincipal
[SerializableAttribute]
[ComVisibleAttribute(true)]
public ref class GenericPrincipal : IPrincipal
/** @attribute SerializableAttribute() */
/** @attribute ComVisibleAttribute(true) */
public class GenericPrincipal implements IPrincipal
SerializableAttribute
ComVisibleAttribute(true)
public class GenericPrincipal implements IPrincipal
Hinweise
Diese Klasse stellt die Rollen des aktuellen Benutzers dar.
| 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 GenericPrincipal-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 = ""
' Retrieve a GenericPrincipal that is based on the current user's
' WindowsIdentity.
Dim genericPrincipal As GenericPrincipal = GetGenericPrincipal()
' Retrieve the generic identity of the GenericPrincipal object.
Dim principalIdentity As GenericIdentity = _
CType(genericPrincipal.Identity, GenericIdentity)
' Display identity name and authentication type.
If (principalIdentity.IsAuthenticated) Then
WriteLine(principalIdentity.Name)
WriteLine("Type:" + principalIdentity.AuthenticationType)
End If
' Verify that the generic principal has been assigned the
' NetworkUser role.
If (genericPrincipal.IsInRole("NetworkUser")) Then
WriteLine("User belongs to the NetworkUser role.")
End If
WriteLine("This sample completed successfully; " + _
" press Exit to continue.")
tbxOutput.Cursor = Cursors.Default
End Sub
' Create generic principal based on values from the current
' WindowsIdentity.
Private Function GetGenericPrincipal() As GenericPrincipal
' Use values from the current WindowsIdentity to construct
' a set of GenericPrincipal roles.
Dim roles(10) As String
Dim windowsIdentity As WindowsIdentity = windowsIdentity.GetCurrent()
If (windowsIdentity.IsAuthenticated) Then
' Add custom NetworkUser role.
roles(0) = "NetworkUser"
End If
If (windowsIdentity.IsGuest) Then
' Add custom GuestUser role.
roles(1) = "GuestUser"
End If
If (windowsIdentity.IsSystem) Then
' Add custom SystemUser role.
roles(2) = "SystemUser"
End If
' 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 genericIdentity = _
New GenericIdentity(userName, authenticationType)
' Construct a GenericPrincipal object based on the generic identity
' and custom roles for the user.
Dim genericPrincipal As New GenericPrincipal(genericIdentity, roles)
Return genericPrincipal
End Function
' Write out message with linefeed and carriage return.
Private Sub WriteLine(ByVal message As String)
tbxOutput.AppendText(message + vbCrLf)
End Sub
' 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 = "GenericPrincipal"
Me.Panel2.ResumeLayout(False)
Me.Panel1.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
#End Region
End Class
using System;
using System.Security.Principal;
class GenericPrincipalMembers
{
[STAThread]
static void Main(string[] args)
{
// Retrieve a GenericPrincipal that is based on the current user's
// WindowsIdentity.
GenericPrincipal genericPrincipal = GetGenericPrincipal();
// Retrieve the generic identity of the GenericPrincipal object.
GenericIdentity principalIdentity =
(GenericIdentity)genericPrincipal.Identity;
// Display the identity name and authentication type.
if (principalIdentity.IsAuthenticated)
{
Console.WriteLine(principalIdentity.Name);
Console.WriteLine("Type:"+principalIdentity.AuthenticationType);
}
// Verify that the generic principal has been assigned the
// NetworkUser role.
if (genericPrincipal.IsInRole("NetworkUser"))
{
Console.WriteLine("User belongs to the NetworkUser role.");
}
Console.WriteLine("The sample completed successfully; " +
"press Enter to continue.");
Console.ReadLine();
}
// Create a generic principal based on values from the current
// WindowsIdentity.
private static GenericPrincipal GetGenericPrincipal()
{
// Use values from the current WindowsIdentity to construct
// a set of GenericPrincipal roles.
WindowsIdentity windowsIdentity = WindowsIdentity.GetCurrent();
string[] roles = new string[10];
if (windowsIdentity.IsAuthenticated)
{
// Add custom NetworkUser role.
roles[0] = "NetworkUser";
}
if (windowsIdentity.IsGuest)
{
// Add custom GuestUser role.
roles[1] = "GuestUser";
}
if (windowsIdentity.IsSystem)
{
// Add custom SystemUser role.
roles[2] = "SystemUser";
}
// Construct a GenericIdentity object based on the current Windows
// identity name and authentication type.
string authenticationType = windowsIdentity.AuthenticationType;
string userName = windowsIdentity.Name;
GenericIdentity genericIdentity =
new GenericIdentity(userName, authenticationType);
// Construct a GenericPrincipal object based on the generic identity
// and custom roles for the user.
GenericPrincipal genericPrincipal =
new GenericPrincipal(genericIdentity, roles);
return genericPrincipal;
}
}
using namespace System;
using namespace System::Security::Principal;
ref class GenericPrincipalMembers
{
public:
[STAThread]
static void Main()
{
// Retrieve a GenericPrincipal that is based on the current user's
// WindowsIdentity.
GenericPrincipal^ genericPrincipal = GetGenericPrincipal();
// Retrieve the generic identity of the GenericPrincipal object.
GenericIdentity^ principalIdentity =
dynamic_cast<GenericIdentity^>(genericPrincipal->Identity);
// Display the identity name and authentication type.
if ( principalIdentity->IsAuthenticated )
{
Console::WriteLine( principalIdentity->Name );
Console::WriteLine( L"Type:{0}",
principalIdentity->AuthenticationType );
}
// Verify that the generic principal has been assigned the
// NetworkUser role.
if ( genericPrincipal->IsInRole( L"NetworkUser" ) )
{
Console::WriteLine( L"User belongs to the NetworkUser role." );
}
Console::WriteLine( L"The sample completed successfully; "
L"press Enter to continue." );
Console::ReadLine();
}
private:
// Create a generic principal based on values from the current
// WindowsIdentity.
static GenericPrincipal^ GetGenericPrincipal()
{
// Use values from the current WindowsIdentity to construct
// a set of GenericPrincipal roles.
WindowsIdentity^ windowsIdentity = WindowsIdentity::GetCurrent();
array<String^>^roles = gcnew array<String^>(10);
if ( windowsIdentity->IsAuthenticated )
{
// Add custom NetworkUser role.
roles[ 0 ] = L"NetworkUser";
}
if ( windowsIdentity->IsGuest )
{
// Add custom GuestUser role.
roles[ 1 ] = L"GuestUser";
}
if ( windowsIdentity->IsSystem )
{
// Add custom SystemUser role.
roles[ 2 ] = L"SystemUser";
}
// Construct a GenericIdentity object based on the current Windows
// identity name and authentication type.
String^ authenticationType = windowsIdentity->AuthenticationType;
String^ userName = windowsIdentity->Name;
GenericIdentity^ genericIdentity = gcnew GenericIdentity(
userName,authenticationType );
// Construct a GenericPrincipal object based on the generic identity
// and custom roles for the user.
GenericPrincipal^ genericPrincipal = gcnew GenericPrincipal(
genericIdentity,roles );
return genericPrincipal;
}
};
int main()
{
GenericPrincipalMembers::Main();
}
import System.*;
import System.Security.Principal.*;
class GenericPrincipalMembers
{
/** @attribute STAThread()
*/
public static void main(String[] args)
{
// Retrieve a GenericPrincipal that is based on the current user's
// WindowsIdentity.
GenericPrincipal genericPrincipal = GetGenericPrincipal();
// Retrieve the generic identity of the GenericPrincipal object.
GenericIdentity principalIdentity = (GenericIdentity)
(genericPrincipal.get_Identity());
// Display the identity name and authentication type.
if (principalIdentity.get_IsAuthenticated()) {
Console.WriteLine(principalIdentity.get_Name());
Console.WriteLine("Type:" + principalIdentity.
get_AuthenticationType());
}
// Verify that the generic principal has been assigned the
// NetworkUser role.
if (genericPrincipal.IsInRole("NetworkUser")) {
Console.WriteLine("User belongs to the NetworkUser role.");
}
Console.WriteLine("The sample completed successfully; "
+ "press Enter to continue.");
Console.ReadLine();
} //main
// Create a generic principal based on values from the current
// WindowsIdentity.
private static GenericPrincipal GetGenericPrincipal()
{
// Use values from the current WindowsIdentity to construct
// a set of GenericPrincipal roles.
WindowsIdentity windowsIdentity = WindowsIdentity.GetCurrent();
String roles[] = new String[10];
if (windowsIdentity.get_IsAuthenticated()) {
// Add custom NetworkUser role.
roles.set_Item(0, "NetworkUser");
}
if (windowsIdentity.get_IsGuest()) {
// Add custom GuestUser role.
roles.set_Item(1, "GuestUser");
}
if (windowsIdentity.get_IsSystem()) {
// Add custom SystemUser role.
roles.set_Item(2, "SystemUser");
}
// 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 genericIdentity = new GenericIdentity(userName,
authenticationType);
// Construct a GenericPrincipal object based on the generic identity
// and custom roles for the user.
GenericPrincipal genericPrincipal = new GenericPrincipal(genericIdentity,
roles);
return genericPrincipal;
} //GetGenericPrincipal
} //GenericPrincipalMembers
Vererbungshierarchie
System.Object
System.Security.Principal.GenericPrincipal
System.Web.Security.PassportPrincipal
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