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authorMelanie Thielker2009-05-04 20:19:21 +0000
committerMelanie Thielker2009-05-04 20:19:21 +0000
commitec0d2c28fa04102ecbad4c5660efecbb970201dd (patch)
tree388b41af36604b63a9cc3cd28b12b924fbd1f0e8 /OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs
parentIntermediate commit. WILL NOT COMPILE! (diff)
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diff --git a/OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs b/OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs
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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
28using System;
29using System.IO;
30using System.Reflection;
31using System.Text;
32using System.Text.RegularExpressions;
33using System.Xml;
34using System.Xml.Serialization;
35using log4net;
36using OpenMetaverse;
37using OpenSim.Data;
38using OpenSim.Framework;
39using OpenSim.Framework.Servers;
40using OpenSim.Framework.Servers.HttpServer;
41using OpenSim.Framework.Statistics;
42using System.Net;
43
44namespace OpenSim.Framework.Servers
45{
46 public class CachedGetAssetStreamHandler : BaseStreamHandler
47 {
48 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
49
50 // private OpenAsset_Main m_assetManager;
51 private IAssetCache m_assetProvider;
52
53 /// <summary>
54 /// Constructor.
55 /// </summary>
56 /// <param name="assetManager"></param>
57 /// <param name="assetProvider"></param>
58 public CachedGetAssetStreamHandler(IAssetCache assetProvider)
59 : base("GET", "/assets")
60 {
61 m_log.Info("[REST]: In Get Request");
62 // m_assetManager = assetManager;
63 m_assetProvider = assetProvider;
64 }
65
66 public override byte[] Handle(string path, Stream request,
67 OSHttpRequest httpRequest, OSHttpResponse httpResponse)
68 {
69 string param = GetParam(path);
70 byte[] result = new byte[] { };
71
72 string[] p = param.Split(new char[] { '/', '?', '&' }, StringSplitOptions.RemoveEmptyEntries);
73
74 if (p.Length > 0)
75 {
76 UUID assetID = UUID.Zero;
77
78 if (!UUID.TryParse(p[0], out assetID))
79 {
80 m_log.InfoFormat(
81 "[REST]: GET:/asset ignoring request with malformed UUID {0}", p[0]);
82 return result;
83 }
84
85 if (StatsManager.AssetStats != null)
86 StatsManager.AssetStats.AddRequest();
87
88 AssetBase asset = m_assetProvider.GetAsset(assetID,true); // TODO IsTexture should be deduced from loaded asset. It is not used in this case.
89
90 if (asset != null)
91 {
92// if (asset.ContainsReferences)
93// {
94// asset.Data = ProcessOutgoingAssetData(asset.Data);
95// }
96 if (p.Length > 1 && p[1] == "data")
97 {
98 httpResponse.StatusCode = (int)HttpStatusCode.OK;
99 httpResponse.ContentType = SLAssetTypeToContentType(asset.Type);
100 result = asset.Data;
101 }
102 else
103 {
104 XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
105 MemoryStream ms = new MemoryStream();
106 XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8);
107 xw.Formatting = Formatting.Indented;
108 xs.Serialize(xw, asset);
109 xw.Flush();
110
111 ms.Seek(0, SeekOrigin.Begin);
112 //StreamReader sr = new StreamReader(ms);
113
114 result = ms.GetBuffer();
115
116 Array.Resize<byte>(ref result, (int)ms.Length);
117 }
118 }
119 else
120 {
121 if (StatsManager.AssetStats != null)
122 StatsManager.AssetStats.AddNotFoundRequest();
123
124 m_log.InfoFormat("[REST]: GET:/asset failed to find {0}", assetID);
125 }
126 }
127
128 return result;
129 }
130
131 // private byte[] ProcessOutgoingAssetData(byte[] assetData)
132 // {
133 // string data = Encoding.ASCII.GetString(assetData);
134
135 // data = ProcessAssetDataString(data);
136
137 // return Encoding.ASCII.GetBytes(data);
138 // }
139
140 public string ProcessAssetDataString(string data)
141 {
142 Regex regex = new Regex("(creator_id|owner_id)\\s+(\\S+)");
143
144 // IUserService userService = null;
145
146 data = regex.Replace(data, delegate(Match m)
147 {
148 string result = String.Empty;
149
150// string key = m.Groups[1].Captures[0].Value;
151//
152// string value = m.Groups[2].Captures[0].Value;
153//
154// Guid userUri;
155//
156// switch (key)
157// {
158// case "creator_id":
159// userUri = new Guid(value);
160// // result = "creator_url " + userService(userService, userUri);
161// break;
162//
163// case "owner_id":
164// userUri = new Guid(value);
165// // result = "owner_url " + ResolveUserUri(userService, userUri);
166// break;
167// }
168
169 return result;
170 });
171
172 return data;
173 }
174
175 private string SLAssetTypeToContentType(int assetType)
176 {
177 switch (assetType)
178 {
179 case 0:
180 return "image/jp2";
181 case 1:
182 return "application/ogg";
183 case 2:
184 return "application/x-metaverse-callingcard";
185 case 3:
186 return "application/x-metaverse-landmark";
187 case 5:
188 return "application/x-metaverse-clothing";
189 case 6:
190 return "application/x-metaverse-primitive";
191 case 7:
192 return "application/x-metaverse-notecard";
193 case 8:
194 return "application/x-metaverse-folder";
195 case 10:
196 return "application/x-metaverse-lsl";
197 case 11:
198 return "application/x-metaverse-lso";
199 case 12:
200 return "image/tga";
201 case 13:
202 return "application/x-metaverse-bodypart";
203 case 17:
204 return "audio/x-wav";
205 case 19:
206 return "image/jpeg";
207 case 20:
208 return "application/x-metaverse-animation";
209 case 21:
210 return "application/x-metaverse-gesture";
211 case 22:
212 return "application/x-metaverse-simstate";
213 default:
214 return "application/octet-stream";
215 }
216 }
217 }
218}