/ExpressInteropBinding/Microsoft.ServiceModel.Interop.ExtensionUtils/ConfigurationWizard/Service/CertificateStoreService.cs

// <copyright file="FileSelectionService.cs" company="Microsoft Corporation">

// Copyright (c) Microsoft Corporation.  All rights reserved.

// </copyright>



namespace Microsoft.ServiceModel.Interop.ConfigurationWizard.Services

{

    using System;

    using System.Collections.Generic;

    using System.Security.Cryptography.X509Certificates;



    /// <summary>

    /// Certificate selection service

    /// </summary>

    public interface ICertificateStoreService

    {

        /// <summary>

        /// Gets a list of available certificate store locations

        /// </summary>

        /// <returns>A list of available certificate store locations</returns>

        IEnumerable<string> GetStoreLocations();



        /// <summary>

        /// Gets a list of available certificate stores

        /// </summary>

        /// <returns>A list of available certificate stores</returns>

        IEnumerable<string> GetStores();



        /// <summary>

        /// Gets a list of available certificates in an certificate store

        /// </summary>

        /// <param name="location">A valid certificate store location</param>

        /// <param name="store">A valid certificate store</param>

        /// <returns>A list of available certificates in an store</returns>

        IEnumerable<string> GetCertificates(string location, string store);

    }



    /// <summary>

    /// Certificate selection service implementation

    /// </summary>

    public class CertificateStoreService : ICertificateStoreService

    {

        /// <summary>

        /// Gets a list of available certificate store locations

        /// </summary>

        /// <returns>A list of available certificate store locations</returns>

        public IEnumerable<string> GetStoreLocations()

        {

            return Enum.GetNames(typeof(StoreLocation));

        }



        /// <summary>

        /// Gets a list of available certificate stores

        /// </summary>

        /// <returns>A list of available certificate stores</returns>

        public IEnumerable<string> GetStores()

        {

            return Enum.GetNames(typeof(StoreName));

        }



        /// <summary>

        /// Gets a list of available certificates in an certificate store

        /// </summary>

        /// <param name="location">A valid certificate store location</param>

        /// <param name="store">A valid certificate store</param>

        /// <returns>A list of available certificates in an store</returns>

        public IEnumerable<string> GetCertificates(string location, string store)

        {

            if (string.IsNullOrEmpty(location))

            {

                throw new ArgumentNullException("location");

            }



            if (string.IsNullOrEmpty(store))

            {

                throw new ArgumentNullException("store");

            }



            var typedLocation = (StoreLocation)Enum.Parse(typeof(StoreLocation), location, true);

            var typedStore = (StoreName)Enum.Parse(typeof(StoreName), store, true);



            var certificateStore = new X509Store(typedStore, typedLocation);

            try

            {

                certificateStore.Open(OpenFlags.ReadOnly);



                var certificates = new List<string>();

                foreach (var certificate in certificateStore.Certificates)

                {

                    certificates.Add(certificate.SubjectName.Name);

                }



                return certificates;

            }

            finally

            {

                certificateStore.Close();

            }

        }

    }

}