SecurityCallContext クラスとは何？わかりやすく解説 Weblio辞書

.NET Framework クラスライブラリリファレンス

索引トップ用語の索引ランキング

SecurityCallContext クラス

現在のメソッド呼び出しまでの呼び出し元のチェインを説明します。

名前空間: System.EnterpriseServices
アセンブリ: System.EnterpriseServices (system.enterpriseservices.dll 内)
構文

Visual Basic (宣言)

Public NotInheritable Class
 SecurityCallContext

Visual Basic (使用法)

Dim instance As SecurityCallContext

public sealed class SecurityCallContext

C++

public ref class SecurityCallContext sealed

public final class SecurityCallContext

JScript

public final class SecurityCallContext

使用例

SecurityCallContext クラスを使用して、ServicedComponent クラスのメソッドの呼び出しのセキュリティコンテキストを調査する方法のコード例を次に示します。

Visual Basic

' Accept a constructor string.
<ConstructionEnabled()>  _
Public Class EmployeeInformation
    
    Inherits ServicedComponent
    
    ' The employee's user name and salary.
    Private accountName As String
    Private salary As Double
 = 0
    
    ' Get the employee's name. All users can call this method.
    Public Function GetName() As
 String 
        Return accountName
    
    End Function 'GetName
    
    ' Set the employee's salary. Only managers can do this.
    Public Sub SetSalary(ByVal
 ammount As Double) 
        If SecurityCallContext.CurrentCall.IsCallerInRole("Manager")
 Then
            salary = ammount
        Else
            Throw New UnauthorizedAccessException()
        End If
    
    End Sub 'SetSalary
    
    ' Get the employee's salary. Only the employee and managers can
 do this.
    Public Function GetSalary() As
 Double 
        If SecurityCallContext.CurrentCall.DirectCaller.AccountName
 = accountName OrElse SecurityCallContext.CurrentCall.IsCallerInRole("Manager")
 Then
            Return salary
        Else
            Throw New UnauthorizedAccessException()
        End If
    
    End Function 'GetSalary
    
    ' Use the constructor string.
    ' This method is called when the object is instantiated.
    Protected Overrides Sub
 Construct(ByVal constructorString As String)
 
        accountName = constructorString
    
    End Sub 'Construct

End Class 'EmployeeInformation

// Accept a constructor string.
[ConstructionEnabled]

public class EmployeeInformation : ServicedComponent
{

    // The employee's user name and salary.
    private string accountName;
    private double salary = 0;

  
    // Get the employee's name. All users can call this method.
    public string GetName ()
    {
      return(accountName);
    }


    // Set the employee's salary. Only managers can do this.
    public void SetSalary (double ammount)
    {
        if (SecurityCallContext.CurrentCall.IsCallerInRole("Manager"))
        {
            salary = ammount;
        }
        else
        {
            throw new UnauthorizedAccessException();
        }
    }


    // Get the employee's salary. Only the employee and managers can
 do this.
    public double GetSalary ()
    {
        if ( SecurityCallContext.CurrentCall.DirectCaller.AccountName
 == accountName ||
             SecurityCallContext.CurrentCall.IsCallerInRole("Manager")
 )
        {
            return(salary);
        }
        else
        {
          throw new UnauthorizedAccessException();
        }
    }


    // Use the constructor string.
    // This method is called when the object is instantiated.
    protected override void Construct (string
 constructorString)
    {
        accountName = constructorString;
    }

}

C++

// Accept a constructor string.

[ConstructionEnabled]
public ref class EmployeeInformation: public
 ServicedComponent
{
private:

   // The employee's user name and salary.
   String^ accountName;
   double salary;

public:

   // Get the employee's name. All users can call this method.
   String^ GetName()
   {
      return (accountName);
   }

   // Set the employee's salary. Only managers can do this.
   void SetSalary( double ammount )
   {
      if ( SecurityCallContext::CurrentCall->IsCallerInRole(
 "Manager" ) )
      {
         salary = ammount;
      }
      else
      {
         throw gcnew UnauthorizedAccessException;
      }
   }

   // Get the employee's salary. Only the employee and managers can
 do this.
   double GetSalary()
   {
      if ( SecurityCallContext::CurrentCall->DirectCaller->AccountName
 == accountName || SecurityCallContext::CurrentCall->IsCallerInRole( "Manager"
 ) )
      {
         return (salary);
      }
      else
      {
         throw gcnew UnauthorizedAccessException;
      }
   }

protected:
   // Use the constructor string.
   // This method is called when the object is instantiated.
   virtual void Construct( String^ constructorString ) override
   {
      accountName = constructorString;
   }
};

// Accept a constructor string.
/** @attribute ConstructionEnabled()
 */
public class EmployeeInformation extends ServicedComponent
{
    // The employee's user name and salary.
    private String accountName;
    private double salary = 0;

    // Get the employee's name. All users can call this method.
    public String GetName()
    {
        return accountName;
    } //GetName

    // Set the employee's salary. Only managers can do this.
    public void SetSalary(double ammount) 
        throws System.UnauthorizedAccessException
    {
        if (SecurityCallContext.get_CurrentCall().IsCallerInRole("Manager"))
 {
            salary = ammount;
        }
        else {
            throw new UnauthorizedAccessException();
        }
    } //SetSalary

    // Get the employee's salary. Only the employee and managers can
 do this.
    public double GetSalary() throws System.UnauthorizedAccessException
    {
        if (SecurityCallContext.get_CurrentCall().get_DirectCaller().
            get_AccountName().Equals(accountName) 
            || SecurityCallContext.get_CurrentCall().
            IsCallerInRole("Manager")) {
            return salary;
        }
        else {
            throw new UnauthorizedAccessException();
        }
    } //GetSalary

    // Use the constructor string.
    // This method is called when the object is instantiated.
    protected void Construct(String constructorString)
    {
        accountName = constructorString;
    } //Construct
} //EmployeeInformation