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

   1 using System;\r
   2 using System.Collections.Generic;\r
   3 using System.ComponentModel;\r
   4 using System.Linq;\r
   5 using System.Linq.Expressions;\r
   6 using System.Reflection;\r
   7 using System.Text;\r
   8 using System.Threading.Tasks;\r
   9 using System.Windows;\r
  10 using System.Windows.Controls;\r
  11 using System.Windows.Data;\r
  12 using System.Windows.Documents;\r
  13 using System.Windows.Input;\r
  14 using System.Windows.Media;\r
  15 using System.Windows.Media.Imaging;\r
  16 using System.Windows.Shapes;\r
  17 using Caliburn.Micro;\r
  18 using Pithos.Client.WPF.Properties;\r
  19 \r
  20 \r
  21 namespace Pithos.Client.WPF.Preferences\r
  22 {\r
  23     /// <summary>\r
  24     /// Interaction logic for LoginView.xaml\r
  25     /// </summary>\r
  26     public partial class LoginView : Window,INotifyPropertyChanged\r
  27     {\r
  28         private static readonly log4net.ILog Log = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);\r
  29 \r
  30         private Uri _uri;\r
  31         private Uri _logoutUri;\r
  32         private bool _loggingOut;\r
  33 \r
  34         public Uri Uri\r
  35         {\r
  36             get\r
  37             {\r
  38                 return _uri;\r
  39             }\r
  40             set\r
  41             {\r
  42                 _uri = value;\r
  43                 RaisePropertyChanged(() => Uri);\r
  44             }\r
  45         }\r
  46 \r
  47         private void RaisePropertyChanged(Expression<Func<Uri>> property)\r
  48         {\r
  49             if (PropertyChanged != null)\r
  50             {\r
  51                 PropertyChanged(this, new PropertyChangedEventArgs(property.GetMemberInfo().Name));\r
  52             }\r
  53         }\r
  54 \r
  55         public LoginView(Uri loginUri, Uri logoutUri, string account = null)\r
  56         {\r
  57             InitializeComponent();\r
  58             if (String.IsNullOrWhiteSpace(account))\r
  59                 this.Title = "Retrieve Pithos credentials";\r
  60             else\r
  61                 this.Title = "Retrieve Pithos credentials for " + account;\r
  62             Uri = loginUri;\r
  63 \r
  64             \r
  65             _logoutUri = logoutUri;\r
  66 \r
  67             _loggingOut = true;\r
  68 \r
  69             LoginBrowser.Navigate("javascript:void((function(){var a,b,c,e,f;f=0;a=document.cookie.split('; ');for(e=0;e<a.length&&a[e];e++){f++;for(b='.'+location.host;b;b=b.replace(/^(?:%5C.|[^%5C.]+)/,'')){for(c=location.pathname;c;c=c.replace(/.$/,'')){document.cookie=(a[e]+'; domain='+b+'; path='+c+'; expires='+new Date((new Date()).getTime()-1e11).toGMTString());}}}})())");\r
  70 \r
  71             LoginBrowser.Navigate(logoutUri ?? loginUri);\r
  72         }\r
  73 \r
  74 \r
  75         public string Token { get; set; }\r
  76         public string Account { get; set; }\r
  77 \r
  78 \r
  79         private void LoginBrowser_Navigating(object sender, System.Windows.Navigation.NavigatingCancelEventArgs e)\r
  80         {\r
  81             IsBusy.IsBusy = true;\r
  82             LoginBrowser.Visibility=Visibility.Hidden;\r
  83 \r
  84             if (Log.IsDebugEnabled)\r
  85                 Log.Debug(e.ToString());\r
  86 \r
  87             if (e.Uri.Scheme == "pithos")\r
  88             {\r
  89                 Log.DebugFormat("Authentication response [{0}]",e.Uri);\r
  90                 e.Cancel = true;\r
  91                 var response = ParseResponse(e.Uri.Query);\r
  92                 Account = response["user"];\r
  93                 Token = response["token"];\r
  94                 Log.InfoFormat("Token received for [{0}]", Account);\r
  95                 DialogResult = true;\r
  96                 this.Close();\r
  97             }\r
  98         }\r
  99 \r
 100         private static Dictionary<string, string> ParseResponse(string request)\r
 101         {\r
 102             //var parts = request.Split(' ');\r
 103             var query = request.TrimStart('?');\r
 104 \r
 105             var items = query.Split('&')\r
 106                 .Select(pair => pair.Split('='))\r
 107                 .ToDictionary(arr => arr[0].ToLower(), arr => Uri.UnescapeDataString(arr[1]));\r
 108             return items;\r
 109         }\r
 110 \r
 111         public event PropertyChangedEventHandler PropertyChanged;\r
 112 \r
 113         private void Retry_Click(object sender, RoutedEventArgs e)\r
 114         {\r
 115             LoginBrowser.Navigate(Uri);\r
 116         }\r
 117 \r
 118         private void LoginBrowser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)\r
 119         {\r
 120             if (_loggingOut)\r
 121             {\r
 122                 _loggingOut = false;\r
 123                 IsBusy.BusyContent = "Opening login screen";\r
 124                 LoginBrowser.Navigate(Uri);\r
 125             }\r
 126             else\r
 127             {\r
 128                 IsBusy.IsBusy = false;\r
 129                 LoginBrowser.Visibility = Visibility.Visible;\r
 130             }\r
 131         }\r
 132     }\r
 133 }\r