mcs/class/System.Web/System.Web.Profile/ProfileModule.cs

   1 //
   2 // System.Web.UI.WebControls.ProfileModule.cs
   3 //
   4 // Authors:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if NET_2_0
  30 using System;
  31 using System.ComponentModel;
  32 using System.Web;
  33 using System.Web.Configuration;
  34 using System.Text;
  35
  36 namespace System.Web.Profile
  37 {
  38         public sealed class ProfileModule : IHttpModule
  39         {
  40                 static readonly object migrateAnonymousEvent = new object ();
  41                 static readonly object personalizeEvent = new object ();
  42                 static readonly object profileAutoSavingEvent = new object ();
  43
  44                 HttpApplication app;
  45                 ProfileBase profile;
  46                 string anonymousCookieName = null;
  47
  48                 EventHandlerList events = new EventHandlerList ();
  49
  50                 public event ProfileMigrateEventHandler MigrateAnonymous {
  51                         add { events.AddHandler (migrateAnonymousEvent, value); }
  52                         remove { events.RemoveHandler (migrateAnonymousEvent, value); }
  53                 }
  54
  55                 [MonoTODO ("implement event rising")]
  56                 public event ProfileEventHandler Personalize {
  57                         add { events.AddHandler (personalizeEvent, value); }
  58                         remove { events.RemoveHandler (personalizeEvent, value); }
  59                 }
  60
  61                 public event ProfileAutoSaveEventHandler ProfileAutoSaving {
  62                         add { events.AddHandler (profileAutoSavingEvent, value); }
  63                         remove { events.RemoveHandler (profileAutoSavingEvent, value); }
  64                 }
  65
  66                 public ProfileModule ()
  67                 {
  68                 }
  69
  70                 public void Dispose ()
  71                 {
  72                         app.EndRequest -= OnLeave;
  73                         app.PostMapRequestHandler -= OnEnter;
  74                 }
  75
  76                 public void Init (HttpApplication app)
  77                 {
  78                         this.app = app;
  79                         app.PostMapRequestHandler += OnEnter;
  80                         app.EndRequest += OnLeave;
  81
  82                         AnonymousIdentificationSection anonymousConfig =
  83                                 (AnonymousIdentificationSection) WebConfigurationManager.GetSection ("system.web/anonymousIdentification");
  84
  85                         if (anonymousConfig == null)
  86                                 return;
  87
  88                         anonymousCookieName = anonymousConfig.CookieName;
  89                 }
  90
  91                 void OnEnter (object o, EventArgs eventArgs)
  92                 {
  93                         if (!ProfileManager.Enabled)
  94                                 return;
  95
  96                         if (HttpContext.Current.Request.IsAuthenticated) {
  97                                 HttpCookie cookie = app.Request.Cookies [anonymousCookieName];
  98                                 if (cookie != null && (cookie.Expires != DateTime.MinValue && cookie.Expires > DateTime.Now)) {
  99                                         ProfileMigrateEventHandler eh = events [migrateAnonymousEvent] as ProfileMigrateEventHandler;
 100                                         if (eh != null) {
 101                                                 ProfileMigrateEventArgs e = new ProfileMigrateEventArgs (HttpContext.Current,
 102                                                         Encoding.Unicode.GetString (Convert.FromBase64String (cookie.Value)));
 103                                                 eh (this, e);
 104                                         }
 105
 106                                         HttpCookie newCookie = new HttpCookie (anonymousCookieName);
 107                                         newCookie.Path = app.Request.ApplicationPath;
 108                                         newCookie.Expires = new DateTime (1970, 1, 1);
 109                                         newCookie.Value = "";
 110                                         app.Response.AppendCookie (newCookie);
 111                                 }
 112                         }
 113                 }
 114
 115                 void OnLeave (object o, EventArgs eventArgs)
 116                 {
 117                         if (!ProfileManager.Enabled)
 118                                 return;
 119
 120                         if (!app.Context.ProfileInitialized)
 121                                 return;
 122
 123                         if (ProfileManager.AutomaticSaveEnabled) {
 124                                 profile = app.Context.Profile;
 125
 126                                 if (profile == null)
 127                                         return;
 128
 129                                 ProfileAutoSaveEventHandler eh = events [profileAutoSavingEvent] as ProfileAutoSaveEventHandler;
 130                                 if (eh != null) {
 131                                         ProfileAutoSaveEventArgs args = new ProfileAutoSaveEventArgs (app.Context);
 132                                         eh (this, args);
 133                                         if (!args.ContinueWithProfileAutoSave)
 134                                                 return;
 135                                 }
 136                                 profile.Save ();
 137                         }
 138                 }
 139         }
 140 }
 141 #endif