2 // System.Net.AuthenticationManager.cs
5 // Miguel de Icaza (miguel@ximian.com)
6 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
8 // (C) 2002,2003 Ximian, Inc. (http://www.ximian.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
33 using System.Configuration;
35 using System.Net.Configuration;
36 using System.Collections.Specialized;
41 public class AuthenticationManager
43 static ArrayList modules;
44 static object locker = new object ();
46 private AuthenticationManager ()
50 static void EnsureModules ()
56 modules = new ArrayList ();
57 #if NET_2_0 && CONFIGURATION_DEP
58 object cfg = ConfigurationManager.GetSection ("system.net/authenticationModules");
59 AuthenticationModulesSection s = cfg as AuthenticationModulesSection;
61 foreach (AuthenticationModuleElement element in s.AuthenticationModules) {
62 IAuthenticationModule module = null;
64 Type type = Type.GetType (element.Type, true);
65 module = (IAuthenticationModule) Activator.CreateInstance (type);
71 ConfigurationSettings.GetConfig ("system.net/authenticationModules");
77 static ICredentialPolicy credential_policy = null;
79 public static ICredentialPolicy CredentialPolicy
82 return(credential_policy);
85 credential_policy = value;
89 static Exception GetMustImplement ()
91 return new NotImplementedException ();
95 public static StringDictionary CustomTargetNameDictionary
98 throw GetMustImplement ();
103 public static IEnumerator RegisteredModules {
106 return modules.GetEnumerator ();
110 internal static void Clear ()
117 public static Authorization Authenticate (string challenge, WebRequest request, ICredentials credentials)
120 throw new ArgumentNullException ("request");
122 if (credentials == null)
123 throw new ArgumentNullException ("credentials");
125 if (challenge == null)
126 throw new ArgumentNullException ("challenge");
128 return DoAuthenticate (challenge, request, credentials);
131 static Authorization DoAuthenticate (string challenge, WebRequest request, ICredentials credentials)
135 foreach (IAuthenticationModule mod in modules) {
136 Authorization auth = mod.Authenticate (challenge, request, credentials);
148 public static Authorization PreAuthenticate (WebRequest request, ICredentials credentials)
151 throw new ArgumentNullException ("request");
153 if (credentials == null)
158 foreach (IAuthenticationModule mod in modules) {
159 Authorization auth = mod.PreAuthenticate (request, credentials);
171 public static void Register (IAuthenticationModule authenticationModule)
173 if (authenticationModule == null)
174 throw new ArgumentNullException ("authenticationModule");
176 DoUnregister (authenticationModule.AuthenticationType, false);
178 modules.Add (authenticationModule);
181 public static void Unregister (IAuthenticationModule authenticationModule)
183 if (authenticationModule == null)
184 throw new ArgumentNullException ("authenticationModule");
186 DoUnregister (authenticationModule.AuthenticationType, true);
189 public static void Unregister (string authenticationScheme)
191 if (authenticationScheme == null)
192 throw new ArgumentNullException ("authenticationScheme");
194 DoUnregister (authenticationScheme, true);
197 static void DoUnregister (string authenticationScheme, bool throwEx)
201 IAuthenticationModule module = null;
202 foreach (IAuthenticationModule mod in modules) {
203 string modtype = mod.AuthenticationType;
204 if (String.Compare (modtype, authenticationScheme, true) == 0) {
210 if (module == null) {
212 throw new InvalidOperationException ("Scheme not registered.");
214 modules.Remove (module);