code.grnet.gr Git - pithos-ms-client/blob - trunk/Pithos.Client.WPF/Preferences/LoginView.xaml.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.ComponentModel;
   4 using System.Linq;
   5 using System.Linq.Expressions;
   6 using System.Reflection;
   7 using System.Text;
   8 using System.Windows;
   9 using System.Windows.Controls;
  10 using System.Windows.Data;
  11 using System.Windows.Documents;
  12 using System.Windows.Input;
  13 using System.Windows.Media;
  14 using System.Windows.Media.Imaging;
  15 using System.Windows.Shapes;
  16 using Caliburn.Micro;
  17
  18
  19 namespace Pithos.Client.WPF.Preferences
  20 {
  21     /// <summary>
  22     /// Interaction logic for LoginView.xaml
  23     /// </summary>
  24     public partial class LoginView : Window,INotifyPropertyChanged
  25     {
  26         private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
  27
  28         private Uri _uri;
  29         public Uri Uri
  30         {
  31             get
  32             {
  33                 return _uri;
  34             }
  35             set
  36             {
  37                 _uri = value;
  38                 RaisePropertyChanged(() => Uri);
  39             }
  40         }
  41
  42         private void RaisePropertyChanged(Expression<Func<Uri>> property)
  43         {
  44             if (PropertyChanged != null)
  45             {
  46                 PropertyChanged(this, new PropertyChangedEventArgs(property.GetMemberInfo().Name));
  47             }
  48         }
  49
  50         public LoginView(Uri uri,string account=null)
  51         {
  52             InitializeComponent();
  53             if (String.IsNullOrWhiteSpace(account))
  54                 this.Title = "Retrieve Pithos credentials";
  55             else
  56                 this.Title = "Retrieve Pithos credentials for " + account;
  57             Uri = uri;
  58             LoginBrowser.Navigate(uri);
  59         }
  60
  61
  62         public string Token { get; set; }
  63         public string Account { get; set; }
  64
  65
  66         private void LoginBrowser_Navigating(object sender, System.Windows.Navigation.NavigatingCancelEventArgs e)
  67         {
  68             IsBusy.IsBusy = true;
  69             Log.Debug(e.ToString());
  70
  71             if (e.Uri.Scheme == "pithos")
  72             {
  73                 Log.DebugFormat("Authentication response [{0}]",e.Uri);
  74                 e.Cancel = true;
  75                 var response = ParseResponse(e.Uri.Query);
  76                 Account = response["user"];
  77                 Token = response["token"];
  78                 Log.InfoFormat("Token received for [{0}]", Account);
  79                 DialogResult = true;
  80                 this.Close();
  81             }
  82         }
  83
  84         private static Dictionary<string, string> ParseResponse(string request)
  85         {
  86             //var parts = request.Split(' ');
  87             var query = request.TrimStart('?');
  88
  89             var items = query.Split('&')
  90                 .Select(pair => pair.Split('='))
  91                 .ToDictionary(arr => arr[0].ToLower(), arr => Uri.UnescapeDataString(arr[1]));
  92             return items;
  93         }
  94
  95         public event PropertyChangedEventHandler PropertyChanged;
  96
  97         private void Retry_Click(object sender, RoutedEventArgs e)
  98         {
  99             LoginBrowser.Navigate(Uri);
 100         }
 101
 102         private void LoginBrowser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
 103         {
 104             IsBusy.IsBusy = false;
 105         }
 106     }
 107 }