2 // Mono.Http.NtlmClient
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (c) 2003 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.
32 using System
.Collections
;
34 using Mono
.Security
.Protocol
.Ntlm
;
46 public Authorization
Authenticate (string challenge
, WebRequest webRequest
, ICredentials credentials
)
48 HttpWebRequest request
= webRequest
as HttpWebRequest
;
52 NetworkCredential cred
= credentials
.GetCredential (request
.RequestUri
, "NTLM");
53 string userName
= cred
.UserName
;
54 string domain
= cred
.Domain
;
55 string password
= cred
.Password
;
56 if (userName
== null || userName
== "" || domain
== null || domain
== "")
59 bool completed
= false;
60 if (message
== null) {
61 Type1Message type1
= new Type1Message ();
62 type1
.Domain
= domain
;
64 } else if (message
.Type
== 1) {
65 // Should I check the credentials?
66 if (challenge
== null) {
71 Type2Message type2
= new Type2Message (Convert
.FromBase64String (challenge
));
75 Type3Message type3
= new Type3Message ();
76 type3
.Domain
= domain
;
77 type3
.Username
= userName
;
78 type3
.Challenge
= type2
.Nonce
;
79 type3
.Password
= password
;
83 // Should I check the credentials?
84 // type must be 3 here
88 string token
= "NTLM " + Convert
.ToBase64String (message
.GetBytes ());
89 return new Authorization (token
, completed
);
93 public class NtlmClient
: IAuthenticationModule
95 static Hashtable cache
;
99 cache
= new Hashtable ();
102 public NtlmClient () {}
104 public Authorization
Authenticate (string challenge
, WebRequest webRequest
, ICredentials credentials
)
106 if (credentials
== null || challenge
== null)
109 string header
= challenge
.Trim ();
110 int idx
= header
.ToLower ().IndexOf ("ntlm");
114 idx
= header
.IndexOfAny (new char [] {' ', '\t'}
);
116 header
= header
.Substring (idx
).Trim ();
121 HttpWebRequest request
= webRequest
as HttpWebRequest
;
126 NtlmSession ds
= (NtlmSession
) cache
[request
.RequestUri
];
128 ds
= new NtlmSession ();
129 cache
.Add (request
.RequestUri
, ds
);
132 return ds
.Authenticate (header
, webRequest
, credentials
);
136 public Authorization
PreAuthenticate (WebRequest webRequest
, ICredentials credentials
)
141 public string AuthenticationType
{
142 get { return "NTLM"; }
145 public bool CanPreAuthenticate
{
146 get { return false; }