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author | Melanie Thielker | 2017-01-02 19:30:40 +0000 |
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committer | Melanie Thielker | 2017-01-02 19:30:40 +0000 |
commit | 966e50d90c9ef9b5fde9830b6b0e90290eb2ea47 (patch) | |
tree | fbd2834542e3135644f486cfcaae121300d8ee61 /OpenSim/Services/HypergridService | |
parent | Replaced OpenMetaverse libs/xmls with new ones. Also added a file in openmeta... (diff) | |
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Add the HGRemoteAssetService. Allows to use any asset service with HG
Diffstat (limited to 'OpenSim/Services/HypergridService')
-rw-r--r-- | OpenSim/Services/HypergridService/HGRemoteAssetService.cs | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/OpenSim/Services/HypergridService/HGRemoteAssetService.cs b/OpenSim/Services/HypergridService/HGRemoteAssetService.cs new file mode 100644 index 0000000..a53435b --- /dev/null +++ b/OpenSim/Services/HypergridService/HGRemoteAssetService.cs | |||
@@ -0,0 +1,240 @@ | |||
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 | using System; | ||
28 | using System.Collections.Generic; | ||
29 | using System.IO; | ||
30 | using System.Reflection; | ||
31 | using System.Xml; | ||
32 | |||
33 | using Nini.Config; | ||
34 | using log4net; | ||
35 | using OpenMetaverse; | ||
36 | |||
37 | using OpenSim.Framework; | ||
38 | using OpenSim.Framework.Serialization.External; | ||
39 | using OpenSim.Server.Base; | ||
40 | using OpenSim.Services.Interfaces; | ||
41 | using OpenSim.Services.AssetService; | ||
42 | |||
43 | namespace OpenSim.Services.HypergridService | ||
44 | { | ||
45 | /// <summary> | ||
46 | /// Hypergrid asset service. It serves the IAssetService interface, | ||
47 | /// but implements it in ways that are appropriate for inter-grid | ||
48 | /// asset exchanges. | ||
49 | /// </summary> | ||
50 | public class HGRemoteAssetService : IAssetService | ||
51 | { | ||
52 | private static readonly ILog m_log = | ||
53 | LogManager.GetLogger( | ||
54 | MethodBase.GetCurrentMethod().DeclaringType); | ||
55 | |||
56 | private string m_HomeURL; | ||
57 | private IUserAccountService m_UserAccountService; | ||
58 | private IAssetService m_assetConnector; | ||
59 | |||
60 | private UserAccountCache m_Cache; | ||
61 | |||
62 | private AssetPermissions m_AssetPerms; | ||
63 | |||
64 | public HGRemoteAssetService(IConfigSource config, string configName) | ||
65 | { | ||
66 | m_log.Debug("[HGRemoteAsset Service]: Starting"); | ||
67 | IConfig assetConfig = config.Configs[configName]; | ||
68 | if (assetConfig == null) | ||
69 | throw new Exception("No HGAssetService configuration"); | ||
70 | |||
71 | Object[] args = new Object[] { config }; | ||
72 | |||
73 | string assetConnectorDll = assetConfig.GetString("AssetConnector", String.Empty); | ||
74 | if (assetConnectorDll == String.Empty) | ||
75 | throw new Exception("Please specify AssetConnector in HGAssetService configuration"); | ||
76 | |||
77 | m_assetConnector = ServerUtils.LoadPlugin<IAssetService>(assetConnectorDll, args); | ||
78 | if (m_assetConnector == null) | ||
79 | throw new Exception(String.Format("Unable to create AssetConnector from {0}", assetConnectorDll)); | ||
80 | |||
81 | string userAccountsDll = assetConfig.GetString("UserAccountsService", string.Empty); | ||
82 | if (userAccountsDll == string.Empty) | ||
83 | throw new Exception("Please specify UserAccountsService in HGAssetService configuration"); | ||
84 | |||
85 | m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(userAccountsDll, args); | ||
86 | if (m_UserAccountService == null) | ||
87 | throw new Exception(String.Format("Unable to create UserAccountService from {0}", userAccountsDll)); | ||
88 | |||
89 | m_HomeURL = Util.GetConfigVarFromSections<string>(config, "HomeURI", | ||
90 | new string[] { "Startup", "Hypergrid", configName }, string.Empty); | ||
91 | if (m_HomeURL == string.Empty) | ||
92 | throw new Exception("[HGAssetService] No HomeURI specified"); | ||
93 | |||
94 | m_Cache = UserAccountCache.CreateUserAccountCache(m_UserAccountService); | ||
95 | |||
96 | // Permissions | ||
97 | m_AssetPerms = new AssetPermissions(assetConfig); | ||
98 | |||
99 | } | ||
100 | |||
101 | #region IAssetService overrides | ||
102 | public AssetBase Get(string id) | ||
103 | { | ||
104 | AssetBase asset = m_assetConnector.Get(id); | ||
105 | |||
106 | if (asset == null) | ||
107 | return null; | ||
108 | |||
109 | if (!m_AssetPerms.AllowedExport(asset.Type)) | ||
110 | return null; | ||
111 | |||
112 | if (asset.Metadata.Type == (sbyte)AssetType.Object) | ||
113 | asset.Data = AdjustIdentifiers(asset.Data); | ||
114 | |||
115 | AdjustIdentifiers(asset.Metadata); | ||
116 | |||
117 | return asset; | ||
118 | } | ||
119 | |||
120 | public AssetMetadata GetMetadata(string id) | ||
121 | { | ||
122 | AssetMetadata meta = m_assetConnector.GetMetadata(id); | ||
123 | |||
124 | if (meta == null) | ||
125 | return null; | ||
126 | |||
127 | AdjustIdentifiers(meta); | ||
128 | |||
129 | return meta; | ||
130 | } | ||
131 | |||
132 | public byte[] GetData(string id) | ||
133 | { | ||
134 | AssetBase asset = Get(id); | ||
135 | |||
136 | if (asset == null) | ||
137 | return null; | ||
138 | |||
139 | if (!m_AssetPerms.AllowedExport(asset.Type)) | ||
140 | return null; | ||
141 | |||
142 | // Deal with bug introduced in Oct. 20 (1eb3e6cc43e2a7b4053bc1185c7c88e22356c5e8) | ||
143 | // Fix bad assets before sending them elsewhere | ||
144 | if (asset.Type == (int)AssetType.Object && asset.Data != null) | ||
145 | { | ||
146 | string xml = ExternalRepresentationUtils.SanitizeXml(Utils.BytesToString(asset.Data)); | ||
147 | asset.Data = Utils.StringToBytes(xml); | ||
148 | } | ||
149 | |||
150 | return asset.Data; | ||
151 | } | ||
152 | |||
153 | // public delegate void AssetRetrieved(string id, Object sender, AssetBase asset); | ||
154 | public virtual bool Get(string id, Object sender, AssetRetrieved handler) | ||
155 | { | ||
156 | return m_assetConnector.Get(id, sender, (i, s, asset) => | ||
157 | { | ||
158 | if (asset != null) | ||
159 | { | ||
160 | if (!m_AssetPerms.AllowedExport(asset.Type)) | ||
161 | { | ||
162 | asset = null; | ||
163 | } | ||
164 | else | ||
165 | { | ||
166 | if (asset.Metadata.Type == (sbyte)AssetType.Object) | ||
167 | asset.Data = AdjustIdentifiers(asset.Data); | ||
168 | |||
169 | AdjustIdentifiers(asset.Metadata); | ||
170 | } | ||
171 | } | ||
172 | |||
173 | handler(i, s, asset); | ||
174 | }); | ||
175 | } | ||
176 | |||
177 | public string Store(AssetBase asset) | ||
178 | { | ||
179 | if (!m_AssetPerms.AllowedImport(asset.Type)) | ||
180 | return string.Empty; | ||
181 | |||
182 | // Deal with bug introduced in Oct. 20 (1eb3e6cc43e2a7b4053bc1185c7c88e22356c5e8) | ||
183 | // Fix bad assets before storing on this server | ||
184 | if (asset.Type == (int)AssetType.Object && asset.Data != null) | ||
185 | { | ||
186 | string xml = ExternalRepresentationUtils.SanitizeXml(Utils.BytesToString(asset.Data)); | ||
187 | asset.Data = Utils.StringToBytes(xml); | ||
188 | } | ||
189 | |||
190 | return m_assetConnector.Store(asset); | ||
191 | } | ||
192 | |||
193 | public bool Delete(string id) | ||
194 | { | ||
195 | // NOGO | ||
196 | return false; | ||
197 | } | ||
198 | |||
199 | #endregion | ||
200 | |||
201 | protected void AdjustIdentifiers(AssetMetadata meta) | ||
202 | { | ||
203 | if (meta == null || m_Cache == null) | ||
204 | return; | ||
205 | |||
206 | UserAccount creator = m_Cache.GetUser(meta.CreatorID); | ||
207 | if (creator != null) | ||
208 | meta.CreatorID = meta.CreatorID + ";" + m_HomeURL + "/" + creator.FirstName + " " + creator.LastName; | ||
209 | } | ||
210 | |||
211 | // Only for Object | ||
212 | protected byte[] AdjustIdentifiers(byte[] data) | ||
213 | { | ||
214 | string xml = Utils.BytesToString(data); | ||
215 | |||
216 | // Deal with bug introduced in Oct. 20 (1eb3e6cc43e2a7b4053bc1185c7c88e22356c5e8) | ||
217 | // Fix bad assets before sending them elsewhere | ||
218 | xml = ExternalRepresentationUtils.SanitizeXml(xml); | ||
219 | |||
220 | return Utils.StringToBytes(ExternalRepresentationUtils.RewriteSOP(xml, "HGAssetService", m_HomeURL, m_Cache, UUID.Zero)); | ||
221 | } | ||
222 | |||
223 | public AssetBase GetCached(string id) | ||
224 | { | ||
225 | return Get(id); | ||
226 | } | ||
227 | |||
228 | public bool[] AssetsExist(string[] ids) | ||
229 | { | ||
230 | return m_assetConnector.AssetsExist(ids); | ||
231 | } | ||
232 | |||
233 | public bool UpdateContent(string id, byte[] data) | ||
234 | { | ||
235 | // SO not happening!! | ||
236 | return false; | ||
237 | } | ||
238 | } | ||
239 | |||
240 | } | ||