aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Framework/Servers/BaseGetAssetStreamHandler.cs
blob: 6e03ea8aeee5075b03b20f6198e72f4b87a4b348 (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
/*
 * 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.Net;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Serialization;
using log4net;
using OpenMetaverse;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Framework.Statistics;

namespace OpenSim.Framework.Servers
{
    public abstract class BaseGetAssetStreamHandler : BaseStreamHandler
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        protected BaseGetAssetStreamHandler(string httpMethod, string path) : base(httpMethod, path)
        {
        }

        protected abstract AssetBase GetAsset(UUID assetID);

        public override byte[] Handle(string path, Stream request,
                                      OSHttpRequest httpRequest, OSHttpResponse httpResponse)
        {
            byte[] result = new byte[] { };

            string[] p = SplitParams(path);

            if (p.Length > 0)
            {
                UUID assetID = UUID.Zero;

                if (!UUID.TryParse(p[0], out assetID))
                {
                    m_log.InfoFormat(
                        "[REST]: GET:/asset ignoring request with malformed UUID {0}", p[0]);
                    return result;
                }

                if (StatsManager.AssetStats != null)
                    StatsManager.AssetStats.AddRequest();

                AssetBase asset = GetAsset(assetID); 

                if (asset != null)
                {
//                    if (asset.ContainsReferences)
//                    {                       
//                        asset.Data = ProcessOutgoingAssetData(asset.Data);
//                    }
                    if (p.Length > 1 && p[1] == "data")
                    {
                        httpResponse.StatusCode = (int)HttpStatusCode.OK;
                        httpResponse.ContentType = SLAssetTypeToContentType(asset.Type);
                        result = asset.Data;
                    }
                    else
                    {
                        XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
                        MemoryStream ms = new MemoryStream();
                        XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8);
                        xw.Formatting = Formatting.Indented;
                        xs.Serialize(xw, asset);
                        xw.Flush();

                        ms.Seek(0, SeekOrigin.Begin);
                        //StreamReader sr = new StreamReader(ms);

                        result = ms.GetBuffer();

                        Array.Resize<byte>(ref result, (int)ms.Length);
                    }
                }
                else
                {
                    if (StatsManager.AssetStats != null)
                        StatsManager.AssetStats.AddNotFoundRequest();

                    m_log.InfoFormat("[REST]: GET:/asset failed to find {0}", assetID);
                }
            }

            return result;
        }

        public string ProcessAssetDataString(string data)
        {
            Regex regex = new Regex("(creator_id|owner_id)\\s+(\\S+)");

            // IUserService userService = null;

            data = regex.Replace(data, delegate(Match m)
                                           {
                                               string result = String.Empty;

//                string key = m.Groups[1].Captures[0].Value;
//
//                string value = m.Groups[2].Captures[0].Value;
//
//                Guid userUri;
//
//                switch (key)
//                {
//                    case "creator_id":
//                        userUri = new Guid(value);
//                        //         result = "creator_url " + userService(userService, userUri);
//                        break;
//
//                    case "owner_id":
//                        userUri = new Guid(value);
//                        //       result = "owner_url " + ResolveUserUri(userService, userUri);
//                        break;
//                }

                                               return result;
                                           });

            return data;
        }

        private string SLAssetTypeToContentType(int assetType)
        {
            switch (assetType)
            {
                case 0:
                    return "image/jp2";
                case 1:
                    return "application/ogg";
                case 2:
                    return "application/x-metaverse-callingcard";
                case 3:
                    return "application/x-metaverse-landmark";
                case 5:
                    return "application/x-metaverse-clothing";
                case 6:
                    return "application/x-metaverse-primitive";
                case 7:
                    return "application/x-metaverse-notecard";
                case 8:
                    return "application/x-metaverse-folder";
                case 10:
                    return "application/x-metaverse-lsl";
                case 11:
                    return "application/x-metaverse-lso";
                case 12:
                    return "image/tga";
                case 13:
                    return "application/x-metaverse-bodypart";
                case 17:
                    return "audio/x-wav";
                case 19:
                    return "image/jpeg";
                case 20:
                    return "application/x-metaverse-animation";
                case 21:
                    return "application/x-metaverse-gesture";
                case 22:
                    return "application/x-metaverse-simstate";
                default:
                    return "application/octet-stream";
            }
        }
    }
}