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Diffstat (limited to 'OpenSim/Grid/NewAssetServer/Extensions/ReferenceFrontend.cs')
-rw-r--r-- | OpenSim/Grid/NewAssetServer/Extensions/ReferenceFrontend.cs | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/OpenSim/Grid/NewAssetServer/Extensions/ReferenceFrontend.cs b/OpenSim/Grid/NewAssetServer/Extensions/ReferenceFrontend.cs new file mode 100644 index 0000000..133f87c --- /dev/null +++ b/OpenSim/Grid/NewAssetServer/Extensions/ReferenceFrontend.cs | |||
@@ -0,0 +1,239 @@ | |||
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 | |||
30 | using System; | ||
31 | using System.Collections.Generic; | ||
32 | using System.Net; | ||
33 | using System.Xml; | ||
34 | using ExtensionLoader; | ||
35 | using OpenMetaverse; | ||
36 | using OpenMetaverse.StructuredData; | ||
37 | using HttpServer; | ||
38 | |||
39 | namespace AssetServer.Extensions | ||
40 | { | ||
41 | public class ReferenceFrontend : IExtension<AssetServer> | ||
42 | { | ||
43 | AssetServer server; | ||
44 | |||
45 | public ReferenceFrontend() | ||
46 | { | ||
47 | } | ||
48 | |||
49 | public void Start(AssetServer server) | ||
50 | { | ||
51 | this.server = server; | ||
52 | |||
53 | // Asset metadata request | ||
54 | server.HttpServer.AddHandler("get", null, @"^/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/metadata", | ||
55 | MetadataRequestHandler); | ||
56 | |||
57 | // Asset data request | ||
58 | server.HttpServer.AddHandler("get", null, @"^/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/data", | ||
59 | DataRequestHandler); | ||
60 | |||
61 | // Asset creation | ||
62 | server.HttpServer.AddHandler("post", null, "^/createasset", CreateRequestHandler); | ||
63 | } | ||
64 | |||
65 | public void Stop() | ||
66 | { | ||
67 | } | ||
68 | |||
69 | bool MetadataRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response) | ||
70 | { | ||
71 | UUID assetID; | ||
72 | // Split the URL up into an AssetID and a method | ||
73 | string[] rawUrl = request.Uri.PathAndQuery.Split('/'); | ||
74 | |||
75 | if (rawUrl.Length >= 3 && UUID.TryParse(rawUrl[1], out assetID)) | ||
76 | { | ||
77 | UUID authToken = Utils.GetAuthToken(request); | ||
78 | |||
79 | if (server.AuthorizationProvider.IsMetadataAuthorized(authToken, assetID)) | ||
80 | { | ||
81 | Metadata metadata; | ||
82 | BackendResponse storageResponse = server.StorageProvider.TryFetchMetadata(assetID, out metadata); | ||
83 | |||
84 | if (storageResponse == BackendResponse.Success) | ||
85 | { | ||
86 | // If the asset data location wasn't specified in the metadata, specify it | ||
87 | // manually here by pointing back to this asset server | ||
88 | if (!metadata.Methods.ContainsKey("data")) | ||
89 | { | ||
90 | metadata.Methods["data"] = new Uri(String.Format("{0}://{1}/{2}/data", | ||
91 | request.Uri.Scheme, request.Uri.Authority, assetID)); | ||
92 | } | ||
93 | |||
94 | byte[] serializedData = metadata.SerializeToBytes(); | ||
95 | |||
96 | response.Status = HttpStatusCode.OK; | ||
97 | response.ContentType = "application/json"; | ||
98 | response.ContentLength = serializedData.Length; | ||
99 | response.Body.Write(serializedData, 0, serializedData.Length); | ||
100 | |||
101 | } | ||
102 | else if (storageResponse == BackendResponse.NotFound) | ||
103 | { | ||
104 | Logger.Log.Warn("Could not find metadata for asset " + assetID.ToString()); | ||
105 | response.Status = HttpStatusCode.NotFound; | ||
106 | } | ||
107 | else | ||
108 | { | ||
109 | response.Status = HttpStatusCode.InternalServerError; | ||
110 | } | ||
111 | } | ||
112 | else | ||
113 | { | ||
114 | response.Status = HttpStatusCode.Forbidden; | ||
115 | } | ||
116 | |||
117 | return true; | ||
118 | } | ||
119 | |||
120 | response.Status = HttpStatusCode.NotFound; | ||
121 | return true; | ||
122 | } | ||
123 | |||
124 | bool DataRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response) | ||
125 | { | ||
126 | UUID assetID; | ||
127 | // Split the URL up into an AssetID and a method | ||
128 | string[] rawUrl = request.Uri.PathAndQuery.Split('/'); | ||
129 | |||
130 | if (rawUrl.Length >= 3 && UUID.TryParse(rawUrl[1], out assetID)) | ||
131 | { | ||
132 | UUID authToken = Utils.GetAuthToken(request); | ||
133 | |||
134 | if (server.AuthorizationProvider.IsDataAuthorized(authToken, assetID)) | ||
135 | { | ||
136 | byte[] assetData; | ||
137 | BackendResponse storageResponse = server.StorageProvider.TryFetchData(assetID, out assetData); | ||
138 | |||
139 | if (storageResponse == BackendResponse.Success) | ||
140 | { | ||
141 | response.Status = HttpStatusCode.OK; | ||
142 | response.Status = HttpStatusCode.OK; | ||
143 | response.ContentType = "application/octet-stream"; | ||
144 | response.AddHeader("Content-Disposition", "attachment; filename=" + assetID.ToString()); | ||
145 | response.ContentLength = assetData.Length; | ||
146 | response.Body.Write(assetData, 0, assetData.Length); | ||
147 | } | ||
148 | else if (storageResponse == BackendResponse.NotFound) | ||
149 | { | ||
150 | response.Status = HttpStatusCode.NotFound; | ||
151 | } | ||
152 | else | ||
153 | { | ||
154 | response.Status = HttpStatusCode.InternalServerError; | ||
155 | } | ||
156 | } | ||
157 | else | ||
158 | { | ||
159 | response.Status = HttpStatusCode.Forbidden; | ||
160 | } | ||
161 | |||
162 | return true; | ||
163 | } | ||
164 | |||
165 | response.Status = HttpStatusCode.BadRequest; | ||
166 | return true; | ||
167 | } | ||
168 | |||
169 | bool CreateRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response) | ||
170 | { | ||
171 | UUID authToken = Utils.GetAuthToken(request); | ||
172 | |||
173 | if (server.AuthorizationProvider.IsCreateAuthorized(authToken)) | ||
174 | { | ||
175 | try | ||
176 | { | ||
177 | OSD osdata = OSDParser.DeserializeJson(request.Body); | ||
178 | |||
179 | if (osdata.Type == OSDType.Map) | ||
180 | { | ||
181 | OSDMap map = (OSDMap)osdata; | ||
182 | Metadata metadata = new Metadata(); | ||
183 | metadata.Deserialize(map); | ||
184 | |||
185 | byte[] assetData = map["data"].AsBinary(); | ||
186 | |||
187 | if (assetData != null && assetData.Length > 0) | ||
188 | { | ||
189 | BackendResponse storageResponse; | ||
190 | |||
191 | if (metadata.ID != UUID.Zero) | ||
192 | storageResponse = server.StorageProvider.TryCreateAsset(metadata, assetData); | ||
193 | else | ||
194 | storageResponse = server.StorageProvider.TryCreateAsset(metadata, assetData, out metadata.ID); | ||
195 | |||
196 | if (storageResponse == BackendResponse.Success) | ||
197 | { | ||
198 | response.Status = HttpStatusCode.Created; | ||
199 | OSDMap responseMap = new OSDMap(1); | ||
200 | responseMap["id"] = OSD.FromUUID(metadata.ID); | ||
201 | LitJson.JsonData jsonData = OSDParser.SerializeJson(responseMap); | ||
202 | byte[] responseData = System.Text.Encoding.UTF8.GetBytes(jsonData.ToJson()); | ||
203 | response.Body.Write(responseData, 0, responseData.Length); | ||
204 | response.Body.Flush(); | ||
205 | } | ||
206 | else if (storageResponse == BackendResponse.NotFound) | ||
207 | { | ||
208 | response.Status = HttpStatusCode.NotFound; | ||
209 | } | ||
210 | else | ||
211 | { | ||
212 | response.Status = HttpStatusCode.InternalServerError; | ||
213 | } | ||
214 | } | ||
215 | else | ||
216 | { | ||
217 | response.Status = HttpStatusCode.BadRequest; | ||
218 | } | ||
219 | } | ||
220 | else | ||
221 | { | ||
222 | response.Status = HttpStatusCode.BadRequest; | ||
223 | } | ||
224 | } | ||
225 | catch (Exception ex) | ||
226 | { | ||
227 | response.Status = HttpStatusCode.InternalServerError; | ||
228 | response.Reason = ex.Message; | ||
229 | } | ||
230 | } | ||
231 | else | ||
232 | { | ||
233 | response.Status = HttpStatusCode.Forbidden; | ||
234 | } | ||
235 | |||
236 | return true; | ||
237 | } | ||
238 | } | ||
239 | } | ||