Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
NtlmMessageFactory |
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1 | /* | |
2 | * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com | |
3 | * The software in this package is published under the terms of the CPAL v1.0 | |
4 | * license, a copy of which has been included with this distribution in the | |
5 | * LICENSE.txt file. | |
6 | */ | |
7 | package org.mule.transport.http.ntlm; | |
8 | ||
9 | import java.io.IOException; | |
10 | ||
11 | import jcifs.ntlmssp.Type1Message; | |
12 | import jcifs.ntlmssp.Type2Message; | |
13 | import jcifs.ntlmssp.Type3Message; | |
14 | import jcifs.util.Base64; | |
15 | import org.apache.commons.httpclient.NTCredentials; | |
16 | ||
17 | 0 | public class NtlmMessageFactory |
18 | { | |
19 | ||
20 | // Defines the default flags value set in the Type3Message. These flags must be set: | |
21 | // NEGOTIATE_VERSION | |
22 | // NEGOTIATE_TARGET_INFO | |
23 | // NEGOTIATE_EXTENDED_SECURITY | |
24 | // TARGET_TYPE_SERVER | |
25 | // NEGOTIATE_ALWAYS_SIGN | |
26 | // NEGOTIATE_NTLM_KEY | |
27 | // REQUEST_TARGET | |
28 | // NEGOTIATE_UNICODE | |
29 | public static final int DEFAULT_TYPE_3_MESSAGE_FLAGS = 0X88205; | |
30 | ||
31 | // Defines flags value to use in the Type1Message. These flags must be set: | |
32 | // NEGOTIATE_EXTENDED_SECURITY | |
33 | // NEGOTIATE_ALWAYS_SIGN | |
34 | // NEGOTIATE_NTLM_KEY | |
35 | // REQUEST_TARGET | |
36 | // NEGOTIATE_OEM | |
37 | // NEGOTIATE_UNICODE | |
38 | public static final int DEFAULT_TYPE_1_MESSAGE_FLAGS = 0X88207; | |
39 | ||
40 | /** | |
41 | * Creates a {@link Type1Message} for NTLM authentication. | |
42 | * | |
43 | * @param host the client host | |
44 | * @param domain the client domain | |
45 | * @return a {@link Type1Message} to initiate the authentication process. | |
46 | */ | |
47 | public Type1Message createType1Message(String host, String domain) | |
48 | { | |
49 | 0 | Type1Message message = new Type1Message(DEFAULT_TYPE_1_MESSAGE_FLAGS, domain, host); |
50 | ||
51 | // Type1Message constructor sets a default workstation name when host == null, so it | |
52 | // requires an override of that value in order to make it work | |
53 | 0 | if (host == null) |
54 | { | |
55 | 0 | message.setSuppliedWorkstation(null); |
56 | } | |
57 | ||
58 | 0 | return message; |
59 | } | |
60 | ||
61 | /** | |
62 | * Creates a {@link Type2Message} for NTLM authentication from a challenge | |
63 | * received from the NTLM server. | |
64 | * | |
65 | * @param challenge the challenge received from the server in response to a | |
66 | * {@link Type1Message} message previously sent. | |
67 | * @return a {@link Type2Message} to continue the authentication process. | |
68 | */ | |
69 | public Type2Message createType2Message(String challenge) | |
70 | { | |
71 | try | |
72 | { | |
73 | 0 | return new Type2Message(Base64.decode(challenge)); |
74 | } | |
75 | 0 | catch (IOException e) |
76 | { | |
77 | 0 | throw new RuntimeException("Invalid Type2 message", e); |
78 | } | |
79 | } | |
80 | ||
81 | /** | |
82 | * Creates a {@link Type3Message} for NTLM authentication. | |
83 | * | |
84 | * @param ntCredentials the credentials used for the authentication | |
85 | * @param type2Message the {@link Type2Message} received from the server | |
86 | * in response to a {@link Type1Message} message previously sent. | |
87 | * @return a {@link Type3Message} to continue the authentication process. | |
88 | */ | |
89 | public Type3Message createType3Message(NTCredentials ntCredentials, Type2Message type2Message) | |
90 | { | |
91 | 0 | return new Type3Message(type2Message, ntCredentials.getPassword(), type2Message.getTarget(), |
92 | ntCredentials.getUserName(), ntCredentials.getHost(), DEFAULT_TYPE_3_MESSAGE_FLAGS); | |
93 | } | |
94 | } |