Annotation of /trunk/AssetServer/Extensions/OpenSimFrontend.cs
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| 1 : | jhurliman | 49 | /* |
| 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 : | |||
| 30 : | using System; | ||
| 31 : | using System.Collections.Generic; | ||
| 32 : | using System.Net; | ||
| 33 : | using System.IO; | ||
| 34 : | using System.Xml; | ||
| 35 : | using ExtensionLoader; | ||
| 36 : | using OpenMetaverse; | ||
| 37 : | jhurliman | 57 | using HttpServer; |
| 38 : | jhurliman | 49 | |
| 39 : | namespace AssetServer.Extensions | ||
| 40 : | { | ||
| 41 : | public class OpenSimFrontend : IExtension<AssetServer> | ||
| 42 : | { | ||
| 43 : | AssetServer server; | ||
| 44 : | |||
| 45 : | public OpenSimFrontend() | ||
| 46 : | { | ||
| 47 : | } | ||
| 48 : | |||
| 49 : | public void Start(AssetServer server) | ||
| 50 : | { | ||
| 51 : | this.server = server; | ||
| 52 : | |||
| 53 : | // Asset request | ||
| 54 : | jhurliman | 57 | server.HttpServer.AddHandler("get", null, @"^/assets/", AssetRequestHandler); |
| 55 : | jhurliman | 49 | |
| 56 : | // Asset creation | ||
| 57 : | jhurliman | 57 | server.HttpServer.AddHandler("post", null, @"^/assets/", AssetPostHandler); |
| 58 : | jhurliman | 49 | } |
| 59 : | |||
| 60 : | public void Stop() | ||
| 61 : | { | ||
| 62 : | } | ||
| 63 : | |||
| 64 : | jhurliman | 57 | bool AssetRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response) |
| 65 : | jhurliman | 49 | { |
| 66 : | UUID assetID; | ||
| 67 : | // Split the URL up to get the asset ID out | ||
| 68 : | jhurliman | 57 | string[] rawUrl = request.Uri.PathAndQuery.Split('/'); |
| 69 : | jhurliman | 49 | |
| 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 : | jhurliman | 58 | StorageResponse dataResponse; |
| 75 : | jhurliman | 49 | |
| 76 : | jhurliman | 58 | if ((dataResponse = server.StorageProvider.TryFetchDataMetadata(assetID, UUID.Zero, out metadata, out assetData)) == StorageResponse.Success) |
| 77 : | jhurliman | 49 | { |
| 78 : | jhurliman | 58 | MemoryStream stream = new MemoryStream(); |
| 79 : | jhurliman | 49 | |
| 80 : | jhurliman | 58 | XmlWriterSettings settings = new XmlWriterSettings(); |
| 81 : | settings.Indent = true; | ||
| 82 : | XmlWriter writer = XmlWriter.Create(stream, settings); | ||
| 83 : | jhurliman | 49 | |
| 84 : | jhurliman | 58 | 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 : | jhurliman | 49 | |
| 117 : | jhurliman | 58 | writer.Flush(); |
| 118 : | byte[] buffer = stream.GetBuffer(); | ||
| 119 : | jhurliman | 49 | |
| 120 : | jhurliman | 58 | 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 : | jhurliman | 49 | } |
| 126 : | else | ||
| 127 : | { | ||
| 128 : | jhurliman | 58 | Logger.Log.WarnFormat("Failed to fetch asset data or metadata for {0}: {1}", assetID, dataResponse); |
| 129 : | response.Status = HttpStatusCode.NotFound; | ||
| 130 : | jhurliman | 49 | } |
| 131 : | } | ||
| 132 : | jhurliman | 58 | else |
| 133 : | { | ||
| 134 : | Logger.Log.Warn("Unrecognized OpenSim asset request: " + request.Uri.PathAndQuery); | ||
| 135 : | } | ||
| 136 : | jhurliman | 49 | |
| 137 : | jhurliman | 57 | return true; |
| 138 : | jhurliman | 49 | } |
| 139 : | |||
| 140 : | jhurliman | 57 | bool AssetPostHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response) |
| 141 : | jhurliman | 49 | { |
| 142 : | byte[] assetData = null; | ||
| 143 : | Metadata metadata = new Metadata(); | ||
| 144 : | |||
| 145 : | jhurliman | 62 | Logger.Log.Debug("Handling OpenSim asset upload"); |
| 146 : | |||
| 147 : | jhurliman | 49 | try |
| 148 : | { | ||
| 149 : | jhurliman | 57 | using (XmlReader reader = XmlReader.Create(request.Body)) |
| 150 : | jhurliman | 49 | { |
| 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 : | jhurliman | 63 | // HACK: Broken on Mono. https://bugzilla.novell.com/show_bug.cgi?id=464229 |
| 162 : | jhurliman | 62 | //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 : | jhurliman | 49 | |
| 172 : | jhurliman | 62 | assetData = Convert.FromBase64String(reader.ReadElementContentAsString()); |
| 173 : | |||
| 174 : | jhurliman | 49 | 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 : | jhurliman | 57 | StorageResponse storageResponse = server.StorageProvider.TryCreateAsset(metadata, assetData, UUID.Zero); |
| 191 : | jhurliman | 49 | |
| 192 : | jhurliman | 57 | switch (storageResponse) |
| 193 : | jhurliman | 49 | { |
| 194 : | case StorageResponse.Success: | ||
| 195 : | jhurliman | 57 | response.Status = HttpStatusCode.Created; |
| 196 : | jhurliman | 49 | break; |
| 197 : | case StorageResponse.NotFound: | ||
| 198 : | jhurliman | 57 | response.Status = HttpStatusCode.NotFound; |
| 199 : | jhurliman | 49 | break; |
| 200 : | case StorageResponse.AuthNeeded: | ||
| 201 : | jhurliman | 57 | response.Status = HttpStatusCode.Forbidden; |
| 202 : | jhurliman | 49 | break; |
| 203 : | case StorageResponse.Failure: | ||
| 204 : | default: | ||
| 205 : | jhurliman | 57 | response.Status = HttpStatusCode.InternalServerError; |
| 206 : | jhurliman | 49 | break; |
| 207 : | } | ||
| 208 : | } | ||
| 209 : | else | ||
| 210 : | { | ||
| 211 : | Logger.Log.Warn("AssetPostHandler called with no asset data"); | ||
| 212 : | jhurliman | 57 | response.Status = HttpStatusCode.BadRequest; |
| 213 : | jhurliman | 49 | } |
| 214 : | } | ||
| 215 : | catch (Exception ex) | ||
| 216 : | { | ||
| 217 : | Logger.Log.Warn("Failed to parse POST data (expecting AssetBase): " + ex.Message); | ||
| 218 : | jhurliman | 57 | response.Status = HttpStatusCode.BadRequest; |
| 219 : | jhurliman | 49 | } |
| 220 : | jhurliman | 57 | |
| 221 : | jhurliman | 62 | Logger.Log.Debug("Finished handling OpenSim asset upload, Status: " + response.Status.ToString()); |
| 222 : | jhurliman | 57 | return true; |
| 223 : | jhurliman | 49 | } |
| 224 : | } | ||
| 225 : | } |
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