WebPermissionAttribute.Accept Property

Definition

Namespace:

System.Net

Assembly:

System.Security.Permissions.dll

Source:

WebPermissionAttribute.cs

Gets or sets the URI string accepted by the current WebPermissionAttribute.

public:
 property System::String ^ Accept { System::String ^ get(); void set(System::String ^ value); };

public string Accept { get; set; }

member this.Accept : string with get, set

Public Property Accept As String

Property Value

String

A string containing the URI accepted by the current WebPermissionAttribute.

Exceptions

ArgumentException

Accept is not null when you attempt to set the value. If you wish to specify more than one Accept URI, use an additional attribute declaration statement.

Examples

The following example demonstrates how to use WebPermissionAttribute to specify an allowable Accept string.

public:
   // Deny access to a specific resource by setting the Accept property.
   [method:WebPermission(SecurityAction::Deny,Accept="http://www.contoso.com/Private.htm")]

   static void CheckAcceptPermission( String^ uriToCheck )
   {
      WebPermission^ permissionToCheck = gcnew WebPermission;
      permissionToCheck->AddPermission( NetworkAccess::Accept, uriToCheck );
      permissionToCheck->Demand();
   }

   static void demoDenySite()
   {
      // Pass the security check when accessing allowed resources.
      CheckAcceptPermission( "http://www.contoso.com/" );
      Console::WriteLine( "Public page has passed Accept permission check" );

      try
      {
         // Throw a SecurityException when trying to access not allowed resources.
         CheckAcceptPermission( "http://www.contoso.com/Private.htm" );
         Console::WriteLine( "This line will not be printed" );
      }
      catch ( SecurityException^ e ) 
      {
         Console::WriteLine( "Exception trying to access private resource: {0}", e->Message );
      }
   }

// Deny access to a specific resource by setting the Accept property.
[WebPermission(SecurityAction.Deny, Accept=@"http://www.contoso.com/Private.htm")]

public static void CheckAcceptPermission(string uriToCheck) 
{
    WebPermission permissionToCheck = new WebPermission();
    permissionToCheck.AddPermission(NetworkAccess.Accept, uriToCheck);
    permissionToCheck.Demand();
}

public static void demoDenySite() 
{
    //Pass the security check when accessing allowed resources.
    CheckAcceptPermission("http://www.contoso.com/");
    Console.WriteLine("Public page has passed Accept permission check");

    try 
    {
        //Throw a SecurityException when trying to access not allowed resources.
        CheckAcceptPermission("http://www.contoso.com/Private.htm");
        Console.WriteLine("This line will not be printed");
    }
    catch (SecurityException e) 
    {
        Console.WriteLine("Exception trying to access private resource:" + e.Message);
    }
 }

 ' Deny access to a specific resource by setting the Accept property.

<WebPermission(SecurityAction.Deny, Accept := "http://www.contoso.com/Private.htm")>  _
   Public Shared Sub CheckAcceptPermission(uriToCheck As String)
   Dim permissionToCheck As New WebPermission()
   permissionToCheck.AddPermission(NetworkAccess.Accept, uriToCheck)
   permissionToCheck.Demand()
End Sub


Public Shared Sub demoDenySite()
   ' Pass the security check when accessing allowed resources.
   CheckAcceptPermission("http://www.contoso.com/Public.htm")
   Console.WriteLine("Public page has passed Accept permission check")
   Try
      'Throw a SecurityException when trying to access not allowed resources.
      CheckAcceptPermission("http://www.contoso.com/Private.htm")
      Console.WriteLine("This line will not be printed")
   Catch e As SecurityException
      Console.WriteLine(("Exception trying to access private resource:" + e.Message))
   End Try
End Sub

Remarks

When applying WebPermissionAttribute to your class, this property specifies what URI string will be accepted for use within your class. This permission is applied when the security system calls CreatePermission. This property is write-once.

See also

• Introducing Pluggable Protocols