Synnefo » Pithos MS Client

#region

/* -----------------------------------------------------------------------

 * <copyright file="PithosAccount.cs" company="GRNet">

 * 

 * Copyright 2011-2012 GRNET S.A. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or

 * without modification, are permitted provided that the following

 * conditions are met:

 *

 *   1. Redistributions of source code must retain the above

 *      copyright notice, this list of conditions and the following

 *      disclaimer.

 *

 *   2. 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 GRNET S.A. ``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 GRNET S.A 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.

 *

 * The views and conclusions contained in the software and

 * documentation are those of the authors and should not be

 * interpreted as representing official policies, either expressed

 * or implied, of GRNET S.A.

 * </copyright>

 * -----------------------------------------------------------------------

 */

#endregion

// </copyright>

// -----------------------------------------------------------------------

using System.Reflection;

using Pithos.Client.WPF.Preferences;

using Pithos.Client.WPF.Properties;

using Pithos.Interfaces;

using Pithos.Network;

using log4net;

using System.Windows.Forms;

using System.IO;

using System.Text;

using Newtonsoft.Json;

using System.Collections.Generic;

using System.Collections.Specialized;

namespace Pithos.Client.WPF

{

    using System;

    using System.Linq;

    using System.Net;

    using System.Diagnostics.Contracts;

    using System.Diagnostics;

    using System.Net.Sockets;

    /// <summary>

    /// TODO: Update summary.

    /// </summary>

    /// <summary>

    /// Retrieves an account name and token from PITHOS

    /// </summary>

    public static class PithosAccount

    {

        private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        /// <summary>

        /// Asynchronously retrieves PITHOS credentials

        /// </summary>

        /// <param name="loginUrl">URL to retrieve the account info from PITHOS. Must end with =</param>

        /// <returns>The credentials wrapped in a Task</returns>

        public static NetworkCredential RetrieveCredentials(string loginUrl,string accountName=null)

        {

            Contract.Requires(Uri.IsWellFormedUriString(loginUrl, UriKind.Absolute));

            if (!Uri.IsWellFormedUriString(loginUrl, UriKind.Absolute))

                throw new ArgumentException("The pithos site parameter must be a valid absolute URL", "loginUrl");

            //int port = GetFreePort();

            //TODO:Force logout here to take care of existing cookies

            //var listenerUrl = String.Format("http://127.0.0.1:{0}", port);

            var listenerUrl = "pithos://127.0.0.1";

            //var receiveCredentials = ListenForRedirectAsync(port);

            //var logoutUrl = loginUrl.Replace("login", "im/logout");

            //var logoutProcess=Process.Start(logoutUrl);            

            //TaskEx.Delay(2000).Wait();

            //<= 0.13

            var uriBuilder = new UriBuilder(loginUrl)

                                 {

                                     Query = String.Format("next={0}&force=", listenerUrl)

                                 };

            var retrieveUri = uriBuilder.Uri;

            var logoutUrl= (from server in Settings.Default.Servers

                           where server.LoginUri == loginUrl

                               select new Uri(server.LogoutUri)).FirstOrDefault();

            var browser = new LoginView(retrieveUri,logoutUrl,accountName);            

            if (true == browser.ShowDialog())

            {

                return new NetworkCredential(browser.Account, browser.Token);

            }

            return null;

/*

            Log.InfoFormat("[RETRIEVE] Open Browser at {0}", retrieveUri);

            Process.Start(retrieveUri.ToString());

            return receiveCredentials;

*/

        }

        public static Uri GetLoginUri(string serverUrl)

        {

            return GetLoginUri(new Uri(serverUrl));

        }

        public static Uri GetLoginUri(Uri serverUri)

        {

            //<=0.13

            var loginUri = serverUri.Combine("login");

            // >0.14

            WebRequest webRequest = WebRequest.Create(serverUri);

            webRequest.Method = "POST";

          try

             {

                using (WebResponse response = webRequest.GetResponse())

                {

                    try

                    {

                        using (Stream stream = response.GetResponseStream())

                        {

                            StreamReader read = new StreamReader(stream, true);

                            String responseStr = read.ReadToEnd();

                            dynamic okeanosServices = JsonConvert.DeserializeObject(responseStr);

                            Uri webLogin = new Uri(okeanosServices["access"]["serviceCatalog"][0]["endpoints"][0]["publicURL"].ToString());

                            webLogin = webLogin.Combine("login");

                            //MessageBox.Show(okeanosServices["access"]["serviceCatalog"][0]["endpoints"][0]["publicURL"].ToString());

                            //MessageBox.Show(GetUserID(serverUri, "mkavGw6HOZymWR3k1u2clwOP1poOYukBl5P80PQ_nzE"));

                            return webLogin;

                        }

                    }

                    catch (Exception ex)

                    {

                        //MessageBox.Show("Stream Failed");

                        return loginUri;

                    }

               }

            }

        catch (Exception ex)

           {

                //MessageBox.Show("Service URL Failed");

                return loginUri;

            }

     }

        public static string GetUserID(Uri serverUri, string token)

        {

            string User = "";

            string postData = "{\"auth\":{\"token\":{\"id\":\"" + token + "\"}}}";

            ASCIIEncoding encoding = new ASCIIEncoding();

            byte[] postSize = encoding.GetBytes(postData);

            WebRequest webRequest = WebRequest.Create(serverUri);

            webRequest.Method = "POST";

            webRequest.ContentType = "application/json";

            Stream newPost = webRequest.GetRequestStream();

            newPost.Write(postSize, 0, postSize.Length);

            using (WebResponse response = webRequest.GetResponse())

            {

                using (Stream stream = response.GetResponseStream())

                {

                    StreamReader read = new StreamReader(stream, true);

                    String responseStr = read.ReadToEnd();

                    dynamic tokenreponse = JsonConvert.DeserializeObject(responseStr);

                    //MessageBox.Show(tokenreponse.ToString());

                    User = tokenreponse["access"]["token"]["tenant"]["id"].ToString();

                    //MessageBox.Show(tokenreponse["access"]["token"]["tenant"]["id"].ToString());

                    read.Close();

                }

            }

            return User;

        }

    }

}