1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System.Reflection;
using System.Text;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Services.Interfaces;
namespace OpenSim.Framework.Communications.Osp
{
/// <summary>
/// Resolves OpenSim Profile Anchors (OSPA). An OSPA is a string used to provide information for
/// identifying user profiles or supplying a simple name if no profile is available.
/// </summary>
public class OspResolver
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public const string OSPA_PREFIX = "ospa:";
public const string OSPA_NAME_KEY = "n";
public const string OSPA_NAME_VALUE_SEPARATOR = " ";
public const string OSPA_TUPLE_SEPARATOR = "|";
public static readonly char[] OSPA_TUPLE_SEPARATOR_ARRAY = OSPA_TUPLE_SEPARATOR.ToCharArray();
public const string OSPA_PAIR_SEPARATOR = "=";
/// <summary>
/// Make an OSPA given a user UUID
/// </summary>
/// <param name="userId"></param>
/// <param name="commsManager"></param>
/// <returns>The OSPA. Null if a user with the given UUID could not be found.</returns>
public static string MakeOspa(UUID userId, IUserAccountService userService)
{
UserAccount account = userService.GetUserAccount(UUID.Zero, userId);
if (account != null)
return MakeOspa(account.FirstName, account.LastName);
return null;
}
/// <summary>
/// Make an OSPA given a user name
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static string MakeOspa(string firstName, string lastName)
{
return
OSPA_PREFIX + OSPA_NAME_KEY + OSPA_PAIR_SEPARATOR + firstName + OSPA_NAME_VALUE_SEPARATOR + lastName;
}
/// <summary>
/// Resolve an osp string into the most suitable internal OpenSim identifier.
/// </summary>
///
/// In some cases this will be a UUID if a suitable profile exists on the system. In other cases, this may
/// just return the same identifier after creating a temporary profile.
///
/// <param name="ospa"></param>
/// <param name="commsManager"></param>
/// <returns>
/// A suitable UUID for use in Second Life client communication. If the string was not a valid ospa, then UUID.Zero
/// is returned.
/// </returns>
public static UUID ResolveOspa(string ospa, IUserAccountService userService)
{
if (!ospa.StartsWith(OSPA_PREFIX))
return UUID.Zero;
// m_log.DebugFormat("[OSP RESOLVER]: Resolving {0}", ospa);
string ospaMeat = ospa.Substring(OSPA_PREFIX.Length);
string[] ospaTuples = ospaMeat.Split(OSPA_TUPLE_SEPARATOR_ARRAY);
foreach (string tuple in ospaTuples)
{
int tupleSeparatorIndex = tuple.IndexOf(OSPA_PAIR_SEPARATOR);
if (tupleSeparatorIndex < 0)
{
m_log.WarnFormat("[OSP RESOLVER]: Ignoring non-tuple component {0} in OSPA {1}", tuple, ospa);
continue;
}
string key = tuple.Remove(tupleSeparatorIndex).Trim();
string value = tuple.Substring(tupleSeparatorIndex + 1).Trim();
if (OSPA_NAME_KEY == key)
return ResolveOspaName(value, userService);
}
return UUID.Zero;
}
/// <summary>
/// Hash a profile name into a UUID
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static UUID HashName(string name)
{
return new UUID(Utils.MD5(Encoding.Unicode.GetBytes(name)), 0);
}
/// <summary>
/// Resolve an OSPI name by querying existing persistent user profiles. If there is no persistent user profile
/// then a temporary user profile is inserted in the cache.
/// </summary>
/// <param name="name"></param>
/// <param name="commsManager"></param>
/// <returns>
/// An OpenSim internal identifier for the name given. Returns null if the name was not valid
/// </returns>
protected static UUID ResolveOspaName(string name, IUserAccountService userService)
{
int nameSeparatorIndex = name.IndexOf(OSPA_NAME_VALUE_SEPARATOR);
if (nameSeparatorIndex < 0)
{
m_log.WarnFormat("[OSP RESOLVER]: Ignoring unseparated name {0}", name);
return UUID.Zero;
}
string firstName = name.Remove(nameSeparatorIndex).TrimEnd();
string lastName = name.Substring(nameSeparatorIndex + 1).TrimStart();
UserAccount account = userService.GetUserAccount(UUID.Zero, firstName, lastName);
if (account != null)
return account.PrincipalID;
// XXX: Disable temporary user profile creation for now as implementation is incomplete - justincc
/*
UserProfileData tempUserProfile = new UserProfileData();
tempUserProfile.FirstName = firstName;
tempUserProfile.SurName = lastName;
tempUserProfile.ID = HashName(tempUserProfile.Name);
m_log.DebugFormat(
"[OSP RESOLVER]: Adding temporary user profile for {0} {1}", tempUserProfile.Name, tempUserProfile.ID);
commsManager.UserService.AddTemporaryUserProfile(tempUserProfile);
return tempUserProfile.ID;
*/
return UUID.Zero;
}
}
}
|
