// System.Net.AuthenticationManager.cs
//
// Author:
-// Miguel de Icaza (miguel@ximian.com)
+// Miguel de Icaza (miguel@ximian.com)
+// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
-// (C) Ximian, Inc. http://www.ximian.com
+// (C) 2002,2003 Ximian, Inc. (http://www.ximian.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.
//
using System.Collections;
+using System.Configuration;
+#if NET_2_0
+using System.Net.Configuration;
+using System.Collections.Specialized;
+#endif
-namespace System.Net {
+namespace System.Net
+{
+ public class AuthenticationManager
+ {
+ static ArrayList modules;
+ static object locker = new object ();
- public class AuthenticationManager {
+ private AuthenticationManager ()
+ {
+ }
- static ArrayList modules;
+ static void EnsureModules ()
+ {
+ lock (locker) {
+ if (modules != null)
+ return;
+
+ modules = new ArrayList ();
+#if NET_2_0 && CONFIGURATION_DEP
+ object cfg = ConfigurationManager.GetSection ("system.net/authenticationModules");
+ AuthenticationModulesSection s = cfg as AuthenticationModulesSection;
+ if (s != null) {
+ foreach (AuthenticationModuleElement element in s.AuthenticationModules) {
+ IAuthenticationModule module = null;
+ try {
+ Type type = Type.GetType (element.Type, true);
+ module = (IAuthenticationModule) Activator.CreateInstance (type);
+ } catch {}
+ modules.Add (module);
+ }
+ }
+#else
+ ConfigurationSettings.GetConfig ("system.net/authenticationModules");
+#endif
+ }
+ }
+
+#if NET_2_0
+ static ICredentialPolicy credential_policy = null;
+
+ public static ICredentialPolicy CredentialPolicy
+ {
+ get {
+ return(credential_policy);
+ }
+ set {
+ credential_policy = value;
+ }
+ }
+
+ static Exception GetMustImplement ()
+ {
+ return new NotImplementedException ();
+ }
+
+ [MonoTODO]
+ public static StringDictionary CustomTargetNameDictionary
+ {
+ get {
+ throw GetMustImplement ();
+ }
+ }
+#endif
public static IEnumerator RegisteredModules {
get {
- if (modules == null)
- modules = new ArrayList ();
+ EnsureModules ();
+ return modules.GetEnumerator ();
+ }
+ }
+
+ internal static void Clear ()
+ {
+ EnsureModules ();
+ lock (modules)
+ modules.Clear ();
+ }
+
+ public static Authorization Authenticate (string challenge, WebRequest request, ICredentials credentials)
+ {
+ if (request == null)
+ throw new ArgumentNullException ("request");
+
+ if (credentials == null)
+ throw new ArgumentNullException ("credentials");
+
+ if (challenge == null)
+ throw new ArgumentNullException ("challenge");
- return modules as IEnumerator;
+ return DoAuthenticate (challenge, request, credentials);
+ }
+
+ static Authorization DoAuthenticate (string challenge, WebRequest request, ICredentials credentials)
+ {
+ EnsureModules ();
+ lock (modules) {
+ foreach (IAuthenticationModule mod in modules) {
+ Authorization auth = mod.Authenticate (challenge, request, credentials);
+ if (auth == null)
+ continue;
+
+ auth.Module = mod;
+ return auth;
+ }
}
+
+ return null;
}
- [MonoTODO]
- public static Authorization PreAuthenticate (WebRequest request,
- ICredentials credentials)
+ public static Authorization PreAuthenticate (WebRequest request, ICredentials credentials)
{
- // FIXME: implement
+ if (request == null)
+ throw new ArgumentNullException ("request");
+
+ if (credentials == null)
+ return null;
+
+ EnsureModules ();
+ lock (modules) {
+ foreach (IAuthenticationModule mod in modules) {
+ Authorization auth = mod.PreAuthenticate (request, credentials);
+ if (auth == null)
+ continue;
+
+ auth.Module = mod;
+ return auth;
+ }
+ }
+
return null;
}
public static void Register (IAuthenticationModule authenticationModule)
{
- if (modules == null)
- modules = new ArrayList ();
+ if (authenticationModule == null)
+ throw new ArgumentNullException ("authenticationModule");
- modules.Add (authenticationModule);
+ DoUnregister (authenticationModule.AuthenticationType, false);
+ lock (modules)
+ modules.Add (authenticationModule);
}
- [MonoTODO]
public static void Unregister (IAuthenticationModule authenticationModule)
{
- // FIXME: implement
+ if (authenticationModule == null)
+ throw new ArgumentNullException ("authenticationModule");
+
+ DoUnregister (authenticationModule.AuthenticationType, true);
}
- [MonoTODO]
public static void Unregister (string authenticationScheme)
{
- // FIXME: implement
+ if (authenticationScheme == null)
+ throw new ArgumentNullException ("authenticationScheme");
+
+ DoUnregister (authenticationScheme, true);
+ }
+
+ static void DoUnregister (string authenticationScheme, bool throwEx)
+ {
+ EnsureModules ();
+ lock (modules) {
+ IAuthenticationModule module = null;
+ foreach (IAuthenticationModule mod in modules) {
+ string modtype = mod.AuthenticationType;
+ if (String.Compare (modtype, authenticationScheme, true) == 0) {
+ module = mod;
+ break;
+ }
+ }
+
+ if (module == null) {
+ if (throwEx)
+ throw new InvalidOperationException ("Scheme not registered.");
+ } else {
+ modules.Remove (module);
+ }
+ }
}
}
}
+
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