/* Copyright (c) Citrix Systems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ using System; using System.Security.Cryptography; using System.Security.Cryptography.X509Certificates; using System.Windows.Forms; using XenOvf; using XenAdmin.Controls; namespace XenAdmin.Wizards.ImportWizard { /// /// Class representing the page of the ImportAppliance wizard where the user verifies /// digital signature and encryption (if these options where included with the imported appliance) /// internal partial class ImportSecurityPage : XenTabPage { private bool m_hasManifest; private bool m_hasSignature; private bool m_detectedMissingCertificate; private bool m_buttonNextEnabled; public ImportSecurityPage() { InitializeComponent(); m_ctrlError.HideError(); } #region Base class (XenTabPage) overrides /// /// Gets the page's title (headline) /// public override string PageTitle { get { return Messages.IMPORT_SECURITY_PAGE_TITLE; } } /// /// Gets the page's label in the (left hand side) wizard progress panel /// public override string Text { get { return Messages.IMPORT_SECURITY_PAGE_TEXT; } } /// /// Gets the value by which the help files section for this page is identified /// public override string HelpID { get { return "Security"; } } protected override bool ImplementsIsDirty() { return true; } protected override void PageLoadedCore(PageLoadedDirection direction) { if (direction == PageLoadedDirection.Forward) SetButtonNextEnabled(OkToProceed()); } protected override void PageLeaveCore(PageLoadedDirection direction, ref bool cancel) { if (direction == PageLoadedDirection.Forward && IsDirty) cancel = !OkToProceed(); } public override void CheckPageDisabled() { m_hasManifest = SelectedOvfPackage.HasManifest(); m_hasSignature = SelectedOvfPackage.HasSignature(); DisableStep = !m_hasManifest && !m_hasSignature; } public override void PopulatePage() { if (DisableStep)//defensive check return; m_tlpManifest.Enabled = m_hasManifest || m_hasSignature; m_linkCertificate.Visible = m_hasSignature; if (m_hasSignature)//check for signature first because m_hasManifest is True if m_hasSignature is True { m_checkBoxVerify.Text = Messages.IMPORT_SECURITY_PAGE_VERIFY_PRODUCER; m_labelVerify.Text = Messages.IMPORT_SECURITY_PAGE_VERIFY_PRODUCER_DESCRIPTION; } else { m_checkBoxVerify.Text = Messages.IMPORT_SECURITY_PAGE_VERIFY_CONTENT; m_labelVerify.Text = Messages.IMPORT_SECURITY_PAGE_VERIFY_CONTENT_DESCRIPTION; } } public override bool EnableNext() { return m_buttonNextEnabled; } #endregion #region Accessors /// /// Can be null if no encryption is detected /// public string Password { get; private set; } public bool VerifyManifest { get { return m_hasManifest && m_tlpManifest.Enabled && m_checkBoxVerify.Checked; } } public bool VerifySignature { get { return m_hasSignature && m_tlpManifest.Enabled && m_checkBoxVerify.Checked; } } /// /// Package containing the selected OVF appliance. /// public Package SelectedOvfPackage { private get; set; } #endregion #region Private methods private void SetButtonNextEnabled(bool enabled) { m_buttonNextEnabled = enabled; OnPageUpdated(); } private bool OkToProceed() { if (m_checkBoxVerify.Checked && m_detectedMissingCertificate) return false; return true; } private void CheckCanDisplayCertificate() { m_ctrlError.HideError(); try { X509Certificate2UI.DisplayCertificate(SelectedOvfPackage.Certificate); } catch (CryptographicException) { m_ctrlError.ShowError(Messages.IMPORT_SECURITY_PAGE_ERROR_MISSING_CERTIFICATE); m_detectedMissingCertificate = true; } } #endregion #region Control event handlers private void m_linkCertificate_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { CheckCanDisplayCertificate(); SetButtonNextEnabled(OkToProceed()); } private void m_checkBoxVerify_CheckedChanged(object sender, EventArgs e) { SetButtonNextEnabled(OkToProceed()); IsDirty = true; } #endregion } }