Program.vb

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#End Region

Imports DotNetBrowser.Browser
Imports DotNetBrowser.Engine
Imports DotNetBrowser.Handlers
Imports DotNetBrowser.Navigation
Imports DotNetBrowser.Net.Handlers

''' <summary>
'''     The sample demonstrates how to accept/reject SSL certificates using
'''     custom SSL certificate verifier.
''' </summary>
Public Class Program
    Public Shared Sub Main()
        Using engine As IEngine = EngineFactory.Create()
            Using browser As IBrowser = engine.CreateBrowser()

                engine.Profiles.Default.Network.VerifyCertificateHandler =
                    New Handler(Of VerifyCertificateParameters, VerifyCertificateResponse)(AddressOf VerifyCert)

                Dim result As NavigationResult = browser.Navigation.LoadUrl("https://google.com").Result
                ' The certificate for google.com is correct, however, it is rejected in the handler.
                ' As a result, the navigation fails.
                Console.WriteLine("Load page result: " & result.LoadResult.ToString())

            End Using
        End Using

        Console.WriteLine("Press any key to terminate...")
        Console.ReadKey()
    End Sub

    Private Shared Function VerifyCert(parameters As VerifyCertificateParameters) As VerifyCertificateResponse
        ' Reject SSL certificate for all "google.com" hosts.
        If parameters.HostName.Contains("google.com") Then
            Console.WriteLine("Rejected certificate for " & parameters.HostName)
            Return VerifyCertificateResponse.Invalid()
        End If
        Return VerifyCertificateResponse.Default()
    End Function
End Class