//----------------------------------------------------------------------------
//
// Copyright © 2009-2012, Intel Corporation. All rights reserved.
//
// File:        CertificateUtils.cs
//
//----------------------------------------------------------------------------

using System;
using UCT.Forms;
using System.Windows.Forms;
using System.Security.Cryptography.X509Certificates;

namespace UCT.Utils
{
    /// <summary>
    /// Static functions for validating certificate issues
    /// </summary>
    public static class CertificateUtils
    {
        #region - Members -

        public static string header, description;
        public static bool UnsecureConnection;
        public static X509Certificate2 ServerCert;

        #endregion

        #region - Methods -

        /// <summary>
        /// Validate the certificate
        /// </summary>
        /// <returns></returns>
        public static bool ValidateCertificate()
        {
            UnsecureConnection = false;
            if (Configuration.HostNameMismatch == true)
            {
                header = "Hostname Mismatch";
                description = "Mismatched Address.\nThe certificate you are using to connect is issued to a different address.";
                // Display the certificate error windows
                if (DisplayWarningWindow())
                {
                    return true;
                }
                return false;
            }
            return true;
        }


        /// <summary>
        /// Display a pop up indicating the certificate has error, 
        /// and allow him to choose if he want to continue the connection wih this machine.
        /// </summary>
        /// <returns></returns>
        private static bool DisplayWarningWindow()
        {
            using (CertWarning cw = new CertWarning(description))
            {
                if (cw.ShowDialog() == DialogResult.Yes)
                {
                    // Indicate if the connection has certificates issues
                    UnsecureConnection = true;
                    return true;
                }
            }
            return false;
        }

        #endregion
    }
}