IApplicationTrustManager.DetermineApplicationTrust 方法

定義

命名空間:

System.Security.Policy

組件:

mscorlib.dll

判斷是否應執行應用程式，以及應授與該應用程式的使用權限集合。

public:
 System::Security::Policy::ApplicationTrust ^ DetermineApplicationTrust(ActivationContext ^ activationContext, System::Security::Policy::TrustManagerContext ^ context);

public System.Security.Policy.ApplicationTrust DetermineApplicationTrust (ActivationContext activationContext, System.Security.Policy.TrustManagerContext context);

abstract member DetermineApplicationTrust : ActivationContext * System.Security.Policy.TrustManagerContext -> System.Security.Policy.ApplicationTrust

Public Function DetermineApplicationTrust (activationContext As ActivationContext, context As TrustManagerContext) As ApplicationTrust

參數

activationContext

ActivationContext

應用程式的啟用內容。

context

TrustManagerContext

此應用程式的信任管理員內容。

傳回

ApplicationTrust

包含應用程式相關安全性決策的物件。

範例

下列範例示範自訂信任管理員的 方法實 DetermineApplicationTrust 作。 此程式碼範例是提供給 介面之較大範例的 IApplicationTrustManager 一部分。

public ApplicationTrust DetermineApplicationTrust(ActivationContext appContext, TrustManagerContext context)
{
    ApplicationTrust trust = new ApplicationTrust(appContext.Identity);
    trust.IsApplicationTrustedToRun = false;

    ApplicationSecurityInfo asi = new ApplicationSecurityInfo(appContext);
    trust.DefaultGrantSet = new PolicyStatement(asi.DefaultRequestSet, PolicyStatementAttribute.Nothing);
    if (context.UIContext == TrustManagerUIContext.Run)
    {
        string message = "Do you want to run " + asi.ApplicationId.Name + " ?";
        string caption = "MyTrustManager";
        MessageBoxButtons buttons = MessageBoxButtons.YesNo;
        DialogResult result;

        // Displays the MessageBox.

        result = MessageBox.Show(message, caption, buttons);

        if (result == DialogResult.Yes)
        {
            trust.IsApplicationTrustedToRun = true;
            if (context != null)
                trust.Persist = context.Persist;
            else
                trust.Persist = false;
        }
    }

    return trust;
}

Public Function DetermineApplicationTrust(ByVal appContext As ActivationContext, ByVal context As TrustManagerContext) As ApplicationTrust Implements IApplicationTrustManager.DetermineApplicationTrust
    Dim trust As New ApplicationTrust(appContext.Identity)
    trust.IsApplicationTrustedToRun = False

    Dim asi As New ApplicationSecurityInfo(appContext)
    trust.DefaultGrantSet = New PolicyStatement(asi.DefaultRequestSet, _
    PolicyStatementAttribute.Nothing)
    If context.UIContext = TrustManagerUIContext.Run Then
        Dim message As String = "Do you want to run " + asi.ApplicationId.Name + " ?"
        Dim caption As String = "MyTrustManager"
        Dim buttons As MessageBoxButtons = MessageBoxButtons.YesNo
        Dim result As DialogResult

        ' Displays the MessageBox.
        result = MessageBox.Show(message, caption, buttons)

        If result = DialogResult.Yes Then
            trust.IsApplicationTrustedToRun = True
            If Not (context Is Nothing) Then
                trust.Persist = context.Persist
            Else
                trust.Persist = False
            End If
        End If
    End If
    Return trust

End Function 'DetermineApplicationTrust

備註

主機 DetermineApplicationTrust 會呼叫 方法，以判斷是否應該執行應用程式，以及應該授與哪一組許可權。 DetermineApplicationTrustApplicationTrust傳回 物件，其 DefaultGrantSet 屬性包含許可權集合，表示要授與應用程式內容內執行之每個元件的許可權。 授與的許可權不適用於全域組件快取中的元件。 物件 ApplicationTrust 也有 IsApplicationTrustedToRun 信任管理員設定的屬性，以指出是否應該信任應用程式。 如果信任管理員指出應用程式可以信任，主機會啟動應用程式，並將集合中 ApplicationTrust 提供的許可權集授與其元件。