2 // System.Web.Security.AnonymousIdentificationModule
5 // Ben Maurer (bmaurer@users.sourceforge.net)
6 // Chris Toshok (toshok@ximian.com)
9 // Copyright (c) 2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 using System.Web.Configuration;
38 namespace System.Web.Security {
40 public sealed class AnonymousIdentificationModule : IHttpModule {
43 public event AnonymousIdentificationEventHandler Creating;
45 public static void ClearAnonymousIdentifier ()
47 HttpContext c = HttpContext.Current;
49 if (Config == null || !Config.Enabled)
50 /* XXX The user for the current request is anonymous */
51 throw new NotSupportedException ();
54 public void Dispose ()
56 app.PostAuthenticateRequest -= OnEnter;
60 public void Init (HttpApplication app)
63 app.PostAuthenticateRequest += OnEnter;
66 [MonoTODO ("cookieless userid")]
67 void OnEnter (object source, EventArgs eventArgs)
72 string anonymousID = null;
74 HttpCookie cookie = app.Request.Cookies [Config.CookieName];
75 if (cookie == null || (cookie.Expires != DateTime.MinValue && cookie.Expires < DateTime.Now)) {
76 if (Creating != null) {
77 AnonymousIdentificationEventArgs e = new AnonymousIdentificationEventArgs (HttpContext.Current);
80 anonymousID = e.AnonymousID;
83 if (anonymousID == null)
84 anonymousID = Guid.NewGuid ().ToString ();
86 app.Request.AnonymousID = anonymousID;
88 HttpCookie newCookie = new HttpCookie (Config.CookieName);
89 newCookie.Path = app.Request.ApplicationPath;
90 newCookie.Expires = DateTime.Now + Config.CookieTimeout;
91 newCookie.Value = Convert.ToBase64String (Encoding.Unicode.GetBytes (anonymousID));
92 app.Response.AppendCookie (newCookie);
95 app.Request.AnonymousID = Encoding.Unicode.GetString (Convert.FromBase64String (cookie.Value));
99 public static bool Enabled {
104 return Config.Enabled;
108 static AnonymousIdentificationSection Config
112 return (AnonymousIdentificationSection) WebConfigurationManager.GetSection ("system.web/anonymousIdentification");