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authorJustin Clarke Casey2009-05-04 17:32:20 +0000
committerJustin Clarke Casey2009-05-04 17:32:20 +0000
commit3a27a056073afb9f1fb285df136d2800f4f9c1a3 (patch)
treea4ca943ac817663be49ef24bfff968248c2620de /OpenSim/Framework/Communications/Osp
parent* Enhance some internal inventory data plugin behaviour to match what was pro... (diff)
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* refactor: move OspResolver to a different namespace
Diffstat (limited to 'OpenSim/Framework/Communications/Osp')
-rw-r--r--OpenSim/Framework/Communications/Osp/OspResolver.cs170
1 files changed, 170 insertions, 0 deletions
diff --git a/OpenSim/Framework/Communications/Osp/OspResolver.cs b/OpenSim/Framework/Communications/Osp/OspResolver.cs
new file mode 100644
index 0000000..a62e1c0
--- /dev/null
+++ b/OpenSim/Framework/Communications/Osp/OspResolver.cs
@@ -0,0 +1,170 @@
1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System.Reflection;
29using System.Text;
30using log4net;
31using OpenMetaverse;
32using OpenSim.Framework;
33using OpenSim.Framework.Communications.Cache;
34
35namespace OpenSim.Framework.Communications.Osp
36{
37 /// <summary>
38 /// Resolves OpenSim Profile Anchors (OSPA). An OSPA is a string used to provide information for
39 /// identifying user profiles or supplying a simple name if no profile is available.
40 /// </summary>
41 public class OspResolver
42 {
43 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
44
45 public const string OSPA_PREFIX = "ospa:";
46 public const string OSPA_NAME_KEY = "n";
47 public const string OSPA_NAME_VALUE_SEPARATOR = " ";
48 public const string OSPA_TUPLE_SEPARATOR = "|";
49 public static readonly char[] OSPA_TUPLE_SEPARATOR_ARRAY = OSPA_TUPLE_SEPARATOR.ToCharArray();
50 public const string OSPA_PAIR_SEPARATOR = "=";
51
52 /// <summary>
53 /// Make an OSPA given a user UUID
54 /// </summary>
55 /// <param name="userId"></param>
56 /// <param name="commsManager"></param>
57 /// <returns>The OSPA. Null if a user with the given UUID could not be found.</returns>
58 public static string MakeOspa(UUID userId, CommunicationsManager commsManager)
59 {
60 CachedUserInfo userInfo = commsManager.UserProfileCacheService.GetUserDetails(userId);
61 if (userInfo != null)
62 return MakeOspa(userInfo.UserProfile.FirstName, userInfo.UserProfile.SurName);
63
64 return null;
65 }
66
67 /// <summary>
68 /// Make an OSPA given a user name
69 /// </summary>
70 /// <param name="name"></param>
71 /// <returns></returns>
72 public static string MakeOspa(string firstName, string lastName)
73 {
74 return
75 OSPA_PREFIX + OSPA_NAME_KEY + OSPA_PAIR_SEPARATOR + firstName + OSPA_NAME_VALUE_SEPARATOR + lastName;
76 }
77
78 /// <summary>
79 /// Resolve an osp string into the most suitable internal OpenSim identifier.
80 /// </summary>
81 ///
82 /// In some cases this will be a UUID if a suitable profile exists on the system. In other cases, this may
83 /// just return the same identifier after creating a temporary profile.
84 ///
85 /// <param name="ospa"></param>
86 /// <param name="commsManager"></param>
87 /// <returns>
88 /// A suitable internal OpenSim identifier. If the input string wasn't ospi data, then we simply
89 /// return that same string. If the input string was ospi data but no valid profile information has been found,
90 /// then returns null.
91 /// </returns>
92 public static string ResolveOspa(string ospa, CommunicationsManager commsManager)
93 {
94 m_log.DebugFormat("[OSP RESOLVER]: Resolving {0}", ospa);
95
96 if (!ospa.StartsWith(OSPA_PREFIX))
97 return ospa;
98
99 string ospaMeat = ospa.Substring(OSPA_PREFIX.Length);
100 string[] ospaTuples = ospaMeat.Split(OSPA_TUPLE_SEPARATOR_ARRAY);
101
102 foreach (string tuple in ospaTuples)
103 {
104 int tupleSeparatorIndex = tuple.IndexOf(OSPA_PAIR_SEPARATOR);
105
106 if (tupleSeparatorIndex < 0)
107 {
108 m_log.WarnFormat("[OSP RESOLVER]: Ignoring non-tuple component {0} in OSPA {1}", tuple, ospa);
109 continue;
110 }
111
112 string key = tuple.Remove(tupleSeparatorIndex).Trim();
113 string value = tuple.Substring(tupleSeparatorIndex + 1).Trim();
114
115 if (OSPA_NAME_KEY == key)
116 return ResolveOspaName(value, commsManager);
117 }
118
119 return null;
120 }
121
122 /// <summary>
123 /// Hash a profile name into a UUID
124 /// </summary>
125 /// <param name="name"></param>
126 /// <returns></returns>
127 public static UUID HashName(string name)
128 {
129 return new UUID(Utils.MD5(Encoding.Unicode.GetBytes(name)), 0);
130 }
131
132 /// <summary>
133 /// Resolve an OSPI name by querying existing persistent user profiles. If there is no persistent user profile
134 /// then a temporary user profile is inserted in the cache.
135 /// </summary>
136 /// <param name="name"></param>
137 /// <param name="commsManager"></param>
138 /// <returns>
139 /// An OpenSim internal identifier for the name given. Returns null if the name was not valid
140 /// </returns>
141 protected static string ResolveOspaName(string name, CommunicationsManager commsManager)
142 {
143 int nameSeparatorIndex = name.IndexOf(OSPA_NAME_VALUE_SEPARATOR);
144
145 if (nameSeparatorIndex < 0)
146 {
147 m_log.WarnFormat("[OSP RESOLVER]: Ignoring unseparated name {0}", name);
148 return null;
149 }
150
151 string firstName = name.Remove(nameSeparatorIndex).TrimEnd();
152 string lastName = name.Substring(nameSeparatorIndex + 1).TrimStart();
153
154 CachedUserInfo userInfo = commsManager.UserProfileCacheService.GetUserDetails(firstName, lastName);
155 if (userInfo != null)
156 return userInfo.UserProfile.ID.ToString();
157
158 UserProfileData tempUserProfile = new UserProfileData();
159 tempUserProfile.FirstName = firstName;
160 tempUserProfile.SurName = lastName;
161 tempUserProfile.ID = HashName(tempUserProfile.Name);
162
163 m_log.DebugFormat(
164 "[OSP RESOLVER]: Adding temporary user profile for {0} {1}", tempUserProfile.Name, tempUserProfile.ID);
165 commsManager.UserService.AddTemporaryUserProfile(tempUserProfile);
166
167 return tempUserProfile.ID.ToString();
168 }
169 }
170}