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Diffstat (limited to 'OpenSim/Grid/AssetInventoryServer/Extensions/OpenSimFrontend.cs')
-rw-r--r--OpenSim/Grid/AssetInventoryServer/Extensions/OpenSimFrontend.cs215
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diff --git a/OpenSim/Grid/AssetInventoryServer/Extensions/OpenSimFrontend.cs b/OpenSim/Grid/AssetInventoryServer/Extensions/OpenSimFrontend.cs
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--- a/OpenSim/Grid/AssetInventoryServer/Extensions/OpenSimFrontend.cs
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1/*
2 * Copyright (c) 2008 Intel Corporation
3 * All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * -- Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * -- Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * -- Neither the name of the Intel Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR ITS
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30using System;
31using System.Collections.Generic;
32using System.Net;
33using System.IO;
34using System.Xml;
35using ExtensionLoader;
36using OpenMetaverse;
37using HttpServer;
38
39namespace OpenSim.Grid.AssetInventoryServer.Extensions
40{
41 public class OpenSimFrontend : IExtension<AssetInventoryServer>
42 {
43 AssetInventoryServer server;
44
45 public OpenSimFrontend()
46 {
47 }
48
49 public void Start(AssetInventoryServer server)
50 {
51 this.server = server;
52
53 // Asset request
54 server.HttpServer.AddHandler("get", null, @"^/assets/", AssetRequestHandler);
55
56 // Asset creation
57 server.HttpServer.AddHandler("post", null, @"^/assets/", AssetPostHandler);
58 }
59
60 public void Stop()
61 {
62 }
63
64 bool AssetRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response)
65 {
66 UUID assetID;
67 // Split the URL up to get the asset ID out
68 string[] rawUrl = request.Uri.PathAndQuery.Split('/');
69
70 if (rawUrl.Length >= 3 && rawUrl[2].Length >= 36 && UUID.TryParse(rawUrl[2].Substring(0, 36), out assetID))
71 {
72 Metadata metadata;
73 byte[] assetData;
74 BackendResponse dataResponse;
75
76 if ((dataResponse = server.StorageProvider.TryFetchDataMetadata(assetID, out metadata, out assetData)) == BackendResponse.Success)
77 {
78 MemoryStream stream = new MemoryStream();
79
80 XmlWriterSettings settings = new XmlWriterSettings();
81 settings.Indent = true;
82 XmlWriter writer = XmlWriter.Create(stream, settings);
83
84 writer.WriteStartDocument();
85 writer.WriteStartElement("AssetBase");
86 writer.WriteAttributeString("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");
87 writer.WriteAttributeString("xmlns", "xsd", null, "http://www.w3.org/2001/XMLSchema");
88 writer.WriteStartElement("FullID");
89 writer.WriteStartElement("Guid");
90 writer.WriteString(assetID.ToString());
91 writer.WriteEndElement();
92 writer.WriteEndElement();
93 writer.WriteStartElement("ID");
94 writer.WriteString(assetID.ToString());
95 writer.WriteEndElement();
96 writer.WriteStartElement("Data");
97 writer.WriteBase64(assetData, 0, assetData.Length);
98 writer.WriteEndElement();
99 writer.WriteStartElement("Type");
100 writer.WriteValue(Utils.ContentTypeToSLAssetType(metadata.ContentType));
101 writer.WriteEndElement();
102 writer.WriteStartElement("Name");
103 writer.WriteString(metadata.Name);
104 writer.WriteEndElement();
105 writer.WriteStartElement("Description");
106 writer.WriteString(metadata.Description);
107 writer.WriteEndElement();
108 writer.WriteStartElement("Local");
109 writer.WriteValue(false);
110 writer.WriteEndElement();
111 writer.WriteStartElement("Temporary");
112 writer.WriteValue(metadata.Temporary);
113 writer.WriteEndElement();
114 writer.WriteEndElement();
115 writer.WriteEndDocument();
116
117 writer.Flush();
118 byte[] buffer = stream.GetBuffer();
119
120 response.Status = HttpStatusCode.OK;
121 response.ContentType = "application/xml";
122 response.ContentLength = stream.Length;
123 response.Body.Write(buffer, 0, (int)stream.Length);
124 response.Body.Flush();
125 }
126 else
127 {
128 Logger.Log.WarnFormat("Failed to fetch asset data or metadata for {0}: {1}", assetID, dataResponse);
129 response.Status = HttpStatusCode.NotFound;
130 }
131 }
132 else
133 {
134 Logger.Log.Warn("Unrecognized OpenSim asset request: " + request.Uri.PathAndQuery);
135 }
136
137 return true;
138 }
139
140 bool AssetPostHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response)
141 {
142 byte[] assetData = null;
143 Metadata metadata = new Metadata();
144
145 Logger.Log.Debug("Handling OpenSim asset upload");
146
147 try
148 {
149 using (XmlReader reader = XmlReader.Create(request.Body))
150 {
151 reader.MoveToContent();
152 reader.ReadStartElement("AssetBase");
153
154 reader.ReadStartElement("FullID");
155 UUID.TryParse(reader.ReadElementContentAsString("Guid", String.Empty), out metadata.ID);
156 reader.ReadEndElement();
157 reader.ReadStartElement("ID");
158 reader.Skip();
159 reader.ReadEndElement();
160
161 // HACK: Broken on Mono. https://bugzilla.novell.com/show_bug.cgi?id=464229
162 //int readBytes = 0;
163 //byte[] buffer = new byte[1024];
164 //MemoryStream stream = new MemoryStream();
165 //BinaryWriter writer = new BinaryWriter(stream);
166 //while ((readBytes = reader.ReadElementContentAsBase64(buffer, 0, buffer.Length)) > 0)
167 // writer.Write(buffer, 0, readBytes);
168 //writer.Flush();
169 //assetData = stream.GetBuffer();
170 //Array.Resize<byte>(ref assetData, (int)stream.Length);
171
172 assetData = Convert.FromBase64String(reader.ReadElementContentAsString());
173
174 int type;
175 Int32.TryParse(reader.ReadElementContentAsString("Type", String.Empty), out type);
176 metadata.ContentType = Utils.SLAssetTypeToContentType(type);
177 metadata.Name = reader.ReadElementContentAsString("Name", String.Empty);
178 metadata.Description = reader.ReadElementContentAsString("Description", String.Empty);
179 Boolean.TryParse(reader.ReadElementContentAsString("Local", String.Empty), out metadata.Temporary);
180 Boolean.TryParse(reader.ReadElementContentAsString("Temporary", String.Empty), out metadata.Temporary);
181
182 reader.ReadEndElement();
183 }
184
185 if (assetData != null && assetData.Length > 0)
186 {
187 metadata.SHA1 = OpenMetaverse.Utils.SHA1(assetData);
188 metadata.CreationDate = DateTime.Now;
189
190 BackendResponse storageResponse = server.StorageProvider.TryCreateAsset(metadata, assetData);
191
192 if (storageResponse == BackendResponse.Success)
193 response.Status = HttpStatusCode.Created;
194 else if (storageResponse == BackendResponse.NotFound)
195 response.Status = HttpStatusCode.NotFound;
196 else
197 response.Status = HttpStatusCode.InternalServerError;
198 }
199 else
200 {
201 Logger.Log.Warn("AssetPostHandler called with no asset data");
202 response.Status = HttpStatusCode.BadRequest;
203 }
204 }
205 catch (Exception ex)
206 {
207 Logger.Log.Warn("Failed to parse POST data (expecting AssetBase): " + ex.Message);
208 response.Status = HttpStatusCode.BadRequest;
209 }
210
211 Logger.Log.Debug("Finished handling OpenSim asset upload, Status: " + response.Status.ToString());
212 return true;
213 }
214 }
215}
generated by cgit v1.1 at 2024-07-18 18:38:21 +0000