ProfileModule.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » Profile » C# / CSharp Open Source

//
// System.Web.UI.WebControls.ProfileModule.cs
//
// Authors:
//  Chris Toshok (toshok@ximian.com)
//
// (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#if NET_2_0
using System;
using System.ComponentModel;
using System.Web;
using System.Web.Configuration;
using System.Text;

namespace System.Web.Profile{
  public sealed class ProfileModule : IHttpModule
  {
    static readonly object migrateAnonymousEvent = new object ();
    static readonly object personalizeEvent = new object ();
    static readonly object profileAutoSavingEvent = new object ();
    
    HttpApplication app;
    ProfileBase profile;
    string anonymousCookieName = null;

    EventHandlerList events = new EventHandlerList ();
    
    public event ProfileMigrateEventHandler MigrateAnonymous {
      add { events.AddHandler (migrateAnonymousEvent, value); }
      remove { events.RemoveHandler (migrateAnonymousEvent, value); }
    }
    
    [MonoTODO ("implement event rising")]
    public event ProfileEventHandler Personalize {
      add { events.AddHandler (personalizeEvent, value); }
      remove { events.RemoveHandler (personalizeEvent, value); }
    }
    
    public event ProfileAutoSaveEventHandler ProfileAutoSaving {
      add { events.AddHandler (profileAutoSavingEvent, value); }
      remove { events.RemoveHandler (profileAutoSavingEvent, value); }
    }

    public ProfileModule ()
    {
    }

    public void Dispose ()
    {
      app.EndRequest -= OnLeave;
      app.PostMapRequestHandler -= OnEnter;
    }

    public void Init (HttpApplication app)
    {
      this.app = app;
      app.PostMapRequestHandler += OnEnter;
      app.EndRequest += OnLeave;
      
      AnonymousIdentificationSection anonymousConfig =
        (AnonymousIdentificationSection) WebConfigurationManager.GetSection ("system.web/anonymousIdentification");
      
      if (anonymousConfig == null)
        return;
      
      anonymousCookieName = anonymousConfig.CookieName;
    }
    
    void OnEnter (object o, EventArgs eventArgs)
    {
      if (!ProfileManager.Enabled)
        return;
      
      if (HttpContext.Current.Request.IsAuthenticated) {
        HttpCookie cookie = app.Request.Cookies [anonymousCookieName];
        if (cookie != null && (cookie.Expires != DateTime.MinValue && cookie.Expires > DateTime.Now)) {
          ProfileMigrateEventHandler eh = events [migrateAnonymousEvent] as ProfileMigrateEventHandler;
          if (eh != null) {
            ProfileMigrateEventArgs e = new ProfileMigrateEventArgs (HttpContext.Current,
              Encoding.Unicode.GetString (Convert.FromBase64String (cookie.Value)));
            eh (this, e);
          }
          
          HttpCookie newCookie = new HttpCookie (anonymousCookieName);
          newCookie.Path = app.Request.ApplicationPath;
          newCookie.Expires = new DateTime (1970, 1, 1);
          newCookie.Value = "";
          app.Response.AppendCookie (newCookie);
        }
      }
    }

    void OnLeave (object o, EventArgs eventArgs)
    {
      if (!ProfileManager.Enabled)
        return;
      
      if (!app.Context.ProfileInitialized)
        return;

      if (ProfileManager.AutomaticSaveEnabled) {
        profile = app.Context.Profile;
        
        if (profile == null)
          return;

        ProfileAutoSaveEventHandler eh = events [profileAutoSavingEvent] as ProfileAutoSaveEventHandler;
        if (eh != null) {
          ProfileAutoSaveEventArgs args = new ProfileAutoSaveEventArgs (app.Context);
          eh (this, args);
          if (!args.ContinueWithProfileAutoSave)
            return;
        }
        profile.Save ();
      }
    }
  }
}
#endif