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.Collections.Specialized;
34 using System.Configuration;
35 using System.Net.Configuration;
40 internal class AuthenticationManager {
42 public class AuthenticationManager {
44 static ArrayList modules;
45 static object locker = new object ();
47 private AuthenticationManager ()
51 static void EnsureModules ()
57 modules = new ArrayList ();
59 modules.Add (new BasicClient ());
60 modules.Add (new DigestClient ());
61 modules.Add (new NtlmClient ());
62 #elif NET_2_0 && CONFIGURATION_DEP
63 object cfg = ConfigurationManager.GetSection ("system.net/authenticationModules");
64 AuthenticationModulesSection s = cfg as AuthenticationModulesSection;
66 foreach (AuthenticationModuleElement element in s.AuthenticationModules) {
67 IAuthenticationModule module = null;
69 Type type = Type.GetType (element.Type, true);
70 module = (IAuthenticationModule) Activator.CreateInstance (type);
76 ConfigurationSettings.GetConfig ("system.net/authenticationModules");
81 static ICredentialPolicy credential_policy = null;
83 public static ICredentialPolicy CredentialPolicy
86 return(credential_policy);
89 credential_policy = value;
93 static Exception GetMustImplement ()
95 return new NotImplementedException ();
99 public static StringDictionary CustomTargetNameDictionary
102 throw GetMustImplement ();
106 public static IEnumerator RegisteredModules {
109 return modules.GetEnumerator ();
113 internal static void Clear ()
120 public static Authorization Authenticate (string challenge, WebRequest request, ICredentials credentials)
123 throw new ArgumentNullException ("request");
125 if (credentials == null)
126 throw new ArgumentNullException ("credentials");
128 if (challenge == null)
129 throw new ArgumentNullException ("challenge");
131 return DoAuthenticate (challenge, request, credentials);
134 static Authorization DoAuthenticate (string challenge, WebRequest request, ICredentials credentials)
138 foreach (IAuthenticationModule mod in modules) {
139 Authorization auth = mod.Authenticate (challenge, request, credentials);
151 public static Authorization PreAuthenticate (WebRequest request, ICredentials credentials)
154 throw new ArgumentNullException ("request");
156 if (credentials == null)
161 foreach (IAuthenticationModule mod in modules) {
162 Authorization auth = mod.PreAuthenticate (request, credentials);
174 public static void Register (IAuthenticationModule authenticationModule)
176 if (authenticationModule == null)
177 throw new ArgumentNullException ("authenticationModule");
179 DoUnregister (authenticationModule.AuthenticationType, false);
181 modules.Add (authenticationModule);
184 public static void Unregister (IAuthenticationModule authenticationModule)
186 if (authenticationModule == null)
187 throw new ArgumentNullException ("authenticationModule");
189 DoUnregister (authenticationModule.AuthenticationType, true);
192 public static void Unregister (string authenticationScheme)
194 if (authenticationScheme == null)
195 throw new ArgumentNullException ("authenticationScheme");
197 DoUnregister (authenticationScheme, true);
200 static void DoUnregister (string authenticationScheme, bool throwEx)
204 IAuthenticationModule module = null;
205 foreach (IAuthenticationModule mod in modules) {
206 string modtype = mod.AuthenticationType;
207 if (String.Compare (modtype, authenticationScheme, true) == 0) {
213 if (module == null) {
215 throw new InvalidOperationException ("Scheme not registered.");
217 modules.Remove (module);