clockwerk-opensim-stable – Blame information for rev 1

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1 vero 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 OpenSimulator 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  
28 using System;
29 using System.Collections.Generic;
30 using System.Linq;
31 using System.Reflection;
32 using Nini.Config;
33 using log4net;
34 using OpenSim.Framework;
35 using OpenSim.Services.Interfaces;
36 using OpenSim.Region.Framework.Interfaces;
37 using OpenSim.Region.Framework.Scenes;
38 using OpenMetaverse;
39  
40 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
41  
42 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Authorization
43 {
44 public class AuthorizationService : IAuthorizationService
45 {
46 private enum AccessFlags
47 {
48 None = 0, /* No restrictions */
49 DisallowResidents = 1, /* Only gods and managers*/
50 DisallowForeigners = 2, /* Only local people */
51 }
52  
53 private static readonly ILog m_log =
54 LogManager.GetLogger(
55 MethodBase.GetCurrentMethod().DeclaringType);
56  
57 private IUserManagement m_UserManagement;
58 // private IGridService m_GridService;
59  
60 private Scene m_Scene;
61 AccessFlags m_accessValue = AccessFlags.None;
62  
63  
64 public AuthorizationService(IConfig config, Scene scene)
65 {
66 m_Scene = scene;
67 m_UserManagement = scene.RequestModuleInterface<IUserManagement>();
68 // m_GridService = scene.GridService;
69  
70 if (config != null)
71 {
72 string accessStr = config.GetString("Region_" + scene.RegionInfo.RegionName.Replace(' ', '_'), String.Empty);
73 if (accessStr != string.Empty)
74 {
75 try
76 {
77 m_accessValue = (AccessFlags)Enum.Parse(typeof(AccessFlags), accessStr);
78 }
79 catch (ArgumentException)
80 {
81 m_log.WarnFormat("[AuthorizationService]: {0} is not a valid access flag", accessStr);
82 }
83 }
84 m_log.DebugFormat("[AuthorizationService]: Region {0} access restrictions: {1}", m_Scene.RegionInfo.RegionName, m_accessValue);
85 }
86  
87 }
88  
89 public bool IsAuthorizedForRegion(
90 string user, string firstName, string lastName, string regionID, out string message)
91 {
92 message = "authorized";
93  
94 // This should not happen
95 if (m_Scene.RegionInfo.RegionID.ToString() != regionID)
96 {
97 m_log.WarnFormat("[AuthorizationService]: Service for region {0} received request to authorize for region {1}",
98 m_Scene.RegionInfo.RegionID, regionID);
99 return true;
100 }
101  
102 if (m_accessValue == AccessFlags.None)
103 return true;
104  
105 UUID userID = new UUID(user);
106 bool authorized = true;
107 if ((m_accessValue & AccessFlags.DisallowForeigners) == AccessFlags.DisallowForeigners)
108 {
109 authorized = m_UserManagement.IsLocalGridUser(userID);
110 if (!authorized)
111 message = "no foreigner users allowed in this region";
112 }
113 if (authorized && (m_accessValue & AccessFlags.DisallowResidents) == AccessFlags.DisallowResidents)
114 {
115 authorized = m_Scene.Permissions.IsGod(userID) | m_Scene.Permissions.IsAdministrator(userID);
116 if (!authorized)
117 message = "only Admins and Managers allowed in this region";
118 }
119  
120 return authorized;
121 }
122  
123 }
124 }