aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Framework/Communications/Cache/LibraryRootFolder.cs
blob: 42e6510683d7e53013380628a832be57c003f780 (plain)
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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/*
 * 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;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Xml;
using log4net;
using Nini.Config;
using OpenMetaverse;

namespace OpenSim.Framework.Communications.Cache
{
    /// <summary>
    /// Basically a hack to give us a Inventory library while we don't have a inventory server
    /// once the server is fully implemented then should read the data from that
    /// </summary>
    public class LibraryRootFolder : InventoryFolderImpl
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private UUID libOwner = new UUID("11111111-1111-0000-0000-000100bba000");

        /// <summary>
        /// Holds the root library folder and all its descendents.  This is really only used during inventory
        /// setup so that we don't have to repeatedly search the tree of library folders.
        /// </summary>
        protected Dictionary<UUID, InventoryFolderImpl> libraryFolders
            = new Dictionary<UUID, InventoryFolderImpl>();
        
        public LibraryRootFolder(string pLibrariesLocation)
        {
            Owner = libOwner;
            ID = new UUID("00000112-000f-0000-0000-000100bba000");
            Name = "OpenSim Library";
            ParentID = UUID.Zero;
            Type = (short) 8;
            Version = (ushort) 1;

            libraryFolders.Add(ID, this);

            LoadLibraries(pLibrariesLocation);
        }

        public InventoryItemBase CreateItem(UUID inventoryID, UUID assetID, string name, string description,
                                            int assetType, int invType, UUID parentFolderID)
        {
            InventoryItemBase item = new InventoryItemBase();
            item.Owner = libOwner;
            item.CreatorId = libOwner.ToString();
            item.ID = inventoryID;
            item.AssetID = assetID;
            item.Description = description;
            item.Name = name;
            item.AssetType = assetType;
            item.InvType = invType;
            item.Folder = parentFolderID;
            item.BasePermissions = 0x7FFFFFFF;
            item.EveryOnePermissions = 0x7FFFFFFF;
            item.CurrentPermissions = 0x7FFFFFFF;
            item.NextPermissions = 0x7FFFFFFF;
            return item;
        }

        /// <summary>
        /// Use the asset set information at path to load assets
        /// </summary>
        /// <param name="path"></param>
        /// <param name="assets"></param>
        protected void LoadLibraries(string librariesControlPath)
        {
            m_log.InfoFormat("[LIBRARY INVENTORY]: Loading library control file {0}", librariesControlPath);
            LoadFromFile(librariesControlPath, "Libraries control", ReadLibraryFromConfig);
        }

        /// <summary>
        /// Read a library set from config
        /// </summary>
        /// <param name="config"></param>
        protected void ReadLibraryFromConfig(IConfig config, string path)
        {
            string basePath = Path.GetDirectoryName(path);
            string foldersPath
                = Path.Combine(
                    basePath, config.GetString("foldersFile", String.Empty));

            LoadFromFile(foldersPath, "Library folders", ReadFolderFromConfig);

            string itemsPath
                = Path.Combine(
                    basePath, config.GetString("itemsFile", String.Empty));

            LoadFromFile(itemsPath, "Library items", ReadItemFromConfig);
        }

        /// <summary>
        /// Read a library inventory folder from a loaded configuration
        /// </summary>
        /// <param name="source"></param>
        private void ReadFolderFromConfig(IConfig config, string path)
        {
            InventoryFolderImpl folderInfo = new InventoryFolderImpl();

            folderInfo.ID = new UUID(config.GetString("folderID", ID.ToString()));
            folderInfo.Name = config.GetString("name", "unknown");
            folderInfo.ParentID = new UUID(config.GetString("parentFolderID", ID.ToString()));
            folderInfo.Type = (short)config.GetInt("type", 8);

            folderInfo.Owner = libOwner;
            folderInfo.Version = 1;

            if (libraryFolders.ContainsKey(folderInfo.ParentID))
            {
                InventoryFolderImpl parentFolder = libraryFolders[folderInfo.ParentID];

                libraryFolders.Add(folderInfo.ID, folderInfo);
                parentFolder.AddChildFolder(folderInfo);

//                 m_log.InfoFormat("[LIBRARY INVENTORY]: Adding folder {0} ({1})", folderInfo.name, folderInfo.folderID);
            }
            else
            {
                m_log.WarnFormat(
                    "[LIBRARY INVENTORY]: Couldn't add folder {0} ({1}) since parent folder with ID {2} does not exist!",
                    folderInfo.Name, folderInfo.ID, folderInfo.ParentID);
            }
        }

        /// <summary>
        /// Read a library inventory item metadata from a loaded configuration
        /// </summary>
        /// <param name="source"></param>
        private void ReadItemFromConfig(IConfig config, string path)
        {
            InventoryItemBase item = new InventoryItemBase();
            item.Owner = libOwner;
            item.CreatorId = libOwner.ToString();
            item.ID = new UUID(config.GetString("inventoryID", ID.ToString()));
            item.AssetID = new UUID(config.GetString("assetID", item.ID.ToString()));
            item.Folder = new UUID(config.GetString("folderID", ID.ToString()));
            item.Name = config.GetString("name", String.Empty);
            item.Description = config.GetString("description", item.Name);
            item.InvType = config.GetInt("inventoryType", 0);
            item.AssetType = config.GetInt("assetType", item.InvType);
            item.CurrentPermissions = (uint)config.GetLong("currentPermissions", 0x7FFFFFFF);
            item.NextPermissions = (uint)config.GetLong("nextPermissions", 0x7FFFFFFF);
            item.EveryOnePermissions = (uint)config.GetLong("everyonePermissions", 0x7FFFFFFF);
            item.BasePermissions = (uint)config.GetLong("basePermissions", 0x7FFFFFFF);
            item.Flags = (uint)config.GetInt("flags", 0);

            if (libraryFolders.ContainsKey(item.Folder))
            {
                InventoryFolderImpl parentFolder = libraryFolders[item.Folder];
                try
                {
                    parentFolder.Items.Add(item.ID, item);
                }
                catch (Exception)
                {
                    m_log.WarnFormat("[LIBRARY INVENTORY] Item {1} [{0}] not added, duplicate item", item.ID, item.Name);
                }
            }
            else
            {
                m_log.WarnFormat(
                    "[LIBRARY INVENTORY]: Couldn't add item {0} ({1}) since parent folder with ID {2} does not exist!",
                    item.Name, item.ID, item.Folder);
            }
        }

        private delegate void ConfigAction(IConfig config, string path);

        /// <summary>
        /// Load the given configuration at a path and perform an action on each Config contained within it
        /// </summary>
        /// <param name="path"></param>
        /// <param name="fileDescription"></param>
        /// <param name="action"></param>
        private static void LoadFromFile(string path, string fileDescription, ConfigAction action)
        {
            if (File.Exists(path))
            {
                try
                {
                    XmlConfigSource source = new XmlConfigSource(path);

                    for (int i = 0; i < source.Configs.Count; i++)
                    {
                        action(source.Configs[i], path);
                    }
                }
                catch (XmlException e)
                {
                    m_log.ErrorFormat("[LIBRARY INVENTORY]: Error loading {0} : {1}", path, e);
                }
            }
            else
            {
                m_log.ErrorFormat("[LIBRARY INVENTORY]: {0} file {1} does not exist!", fileDescription, path);
            }
        }

        /// <summary>
        /// Looks like a simple getter, but is written like this for some consistency with the other Request
        /// methods in the superclass
        /// </summary>
        /// <returns></returns>
        public Dictionary<UUID, InventoryFolderImpl> RequestSelfAndDescendentFolders()
        {
            return libraryFolders;
        }
    }
}