opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.IO; |
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31 | using System.Reflection; |
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32 | using System.Security.Cryptography; // for computing md5 hash |
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33 | using log4net; |
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34 | using Mono.Addins; |
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35 | using Nini.Config; |
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36 | |||
37 | using OpenMetaverse; |
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38 | using OpenMetaverse.StructuredData; |
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39 | |||
40 | using OpenSim.Framework; |
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41 | using OpenSim.Framework.Servers; |
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42 | using OpenSim.Framework.Servers.HttpServer; |
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43 | using OpenSim.Region.Framework.Interfaces; |
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44 | using OpenSim.Region.Framework.Scenes; |
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45 | using OpenSimAssetType = OpenSim.Framework.SLUtil.OpenSimAssetType; |
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46 | |||
47 | using Ionic.Zlib; |
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48 | |||
49 | // You will need to uncomment these lines if you are adding a region module to some other assembly which does not already |
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50 | // specify its assembly. Otherwise, the region modules in the assembly will not be picked up when OpenSimulator scans |
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51 | // the available DLLs |
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52 | //[assembly: Addin("MaterialsModule", "1.0")] |
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53 | //[assembly: AddinDependency("OpenSim", "0.5")] |
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54 | |||
55 | namespace OpenSim.Region.OptionalModules.Materials |
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56 | { |
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57 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "MaterialsModule")] |
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58 | public class MaterialsModule : INonSharedRegionModule |
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59 | { |
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60 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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61 | |||
62 | public string Name { get { return "MaterialsModule"; } } |
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63 | |||
64 | public Type ReplaceableInterface { get { return null; } } |
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65 | |||
66 | private Scene m_scene = null; |
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67 | private bool m_enabled = false; |
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68 | |||
69 | public Dictionary<UUID, OSDMap> m_regionMaterials = new Dictionary<UUID, OSDMap>(); |
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70 | |||
71 | public void Initialise(IConfigSource source) |
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72 | { |
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73 | IConfig config = source.Configs["Materials"]; |
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74 | if (config == null) |
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75 | return; |
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76 | |||
77 | m_enabled = config.GetBoolean("enable_materials", true); |
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78 | if (!m_enabled) |
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79 | return; |
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80 | |||
81 | m_log.DebugFormat("[Materials]: Initialized"); |
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82 | } |
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83 | |||
84 | public void Close() |
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85 | { |
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86 | if (!m_enabled) |
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87 | return; |
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88 | } |
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89 | |||
90 | public void AddRegion(Scene scene) |
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91 | { |
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92 | if (!m_enabled) |
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93 | return; |
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94 | |||
95 | m_scene = scene; |
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96 | m_scene.EventManager.OnRegisterCaps += OnRegisterCaps; |
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97 | m_scene.EventManager.OnObjectAddedToScene += EventManager_OnObjectAddedToScene; |
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98 | } |
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99 | |||
100 | private void EventManager_OnObjectAddedToScene(SceneObjectGroup obj) |
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101 | { |
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102 | foreach (var part in obj.Parts) |
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103 | if (part != null) |
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104 | GetStoredMaterialsInPart(part); |
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105 | } |
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106 | |||
107 | private void OnRegisterCaps(OpenMetaverse.UUID agentID, OpenSim.Framework.Capabilities.Caps caps) |
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108 | { |
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109 | string capsBase = "/CAPS/" + caps.CapsObjectPath; |
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110 | |||
111 | IRequestHandler renderMaterialsPostHandler |
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112 | = new RestStreamHandler("POST", capsBase + "/", |
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113 | (request, path, param, httpRequest, httpResponse) |
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114 | => RenderMaterialsPostCap(request, agentID), |
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115 | "RenderMaterials", null); |
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116 | caps.RegisterHandler("RenderMaterials", renderMaterialsPostHandler); |
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117 | |||
118 | // OpenSimulator CAPs infrastructure seems to be somewhat hostile towards any CAP that requires both GET |
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119 | // and POST handlers, (at least at the time this was originally written), so we first set up a POST |
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120 | // handler normally and then add a GET handler via MainServer |
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121 | |||
122 | IRequestHandler renderMaterialsGetHandler |
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123 | = new RestStreamHandler("GET", capsBase + "/", |
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124 | (request, path, param, httpRequest, httpResponse) |
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125 | => RenderMaterialsGetCap(request), |
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126 | "RenderMaterials", null); |
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127 | MainServer.Instance.AddStreamHandler(renderMaterialsGetHandler); |
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128 | |||
129 | // materials viewer seems to use either POST or PUT, so assign POST handler for PUT as well |
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130 | IRequestHandler renderMaterialsPutHandler |
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131 | = new RestStreamHandler("PUT", capsBase + "/", |
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132 | (request, path, param, httpRequest, httpResponse) |
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133 | => RenderMaterialsPostCap(request, agentID), |
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134 | "RenderMaterials", null); |
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135 | MainServer.Instance.AddStreamHandler(renderMaterialsPutHandler); |
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136 | } |
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137 | |||
138 | public void RemoveRegion(Scene scene) |
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139 | { |
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140 | if (!m_enabled) |
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141 | return; |
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142 | |||
143 | m_scene.EventManager.OnRegisterCaps -= OnRegisterCaps; |
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144 | m_scene.EventManager.OnObjectAddedToScene -= EventManager_OnObjectAddedToScene; |
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145 | } |
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146 | |||
147 | public void RegionLoaded(Scene scene) |
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148 | { |
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149 | } |
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150 | |||
151 | /// <summary> |
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152 | /// Finds any legacy materials stored in DynAttrs that may exist for this part and add them to 'm_regionMaterials'. |
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153 | /// </summary> |
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154 | /// <param name="part"></param> |
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155 | private void GetLegacyStoredMaterialsInPart(SceneObjectPart part) |
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156 | { |
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157 | if (part.DynAttrs == null) |
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158 | return; |
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159 | |||
160 | OSD OSMaterials = null; |
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161 | OSDArray matsArr = null; |
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162 | |||
163 | lock (part.DynAttrs) |
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164 | { |
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165 | if (part.DynAttrs.ContainsStore("OpenSim", "Materials")) |
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166 | { |
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167 | OSDMap materialsStore = part.DynAttrs.GetStore("OpenSim", "Materials"); |
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168 | |||
169 | if (materialsStore == null) |
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170 | return; |
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171 | |||
172 | materialsStore.TryGetValue("Materials", out OSMaterials); |
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173 | } |
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174 | |||
175 | if (OSMaterials != null && OSMaterials is OSDArray) |
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176 | matsArr = OSMaterials as OSDArray; |
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177 | else |
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178 | return; |
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179 | } |
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180 | |||
181 | if (matsArr == null) |
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182 | return; |
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183 | |||
184 | foreach (OSD elemOsd in matsArr) |
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185 | { |
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186 | if (elemOsd != null && elemOsd is OSDMap) |
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187 | { |
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188 | OSDMap matMap = elemOsd as OSDMap; |
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189 | if (matMap.ContainsKey("ID") && matMap.ContainsKey("Material")) |
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190 | { |
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191 | try |
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192 | { |
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193 | lock (m_regionMaterials) |
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194 | m_regionMaterials[matMap["ID"].AsUUID()] = (OSDMap)matMap["Material"]; |
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195 | } |
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196 | catch (Exception e) |
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197 | { |
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198 | m_log.Warn("[Materials]: exception decoding persisted legacy material: " + e.ToString()); |
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199 | } |
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200 | } |
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201 | } |
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202 | } |
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203 | } |
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204 | |||
205 | /// <summary> |
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206 | /// Find the materials used in the SOP, and add them to 'm_regionMaterials'. |
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207 | /// </summary> |
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208 | private void GetStoredMaterialsInPart(SceneObjectPart part) |
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209 | { |
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210 | if (part.Shape == null) |
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211 | return; |
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212 | |||
213 | var te = new Primitive.TextureEntry(part.Shape.TextureEntry, 0, part.Shape.TextureEntry.Length); |
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214 | if (te == null) |
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215 | return; |
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216 | |||
217 | GetLegacyStoredMaterialsInPart(part); |
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218 | |||
219 | GetStoredMaterialInFace(part, te.DefaultTexture); |
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220 | |||
221 | foreach (Primitive.TextureEntryFace face in te.FaceTextures) |
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222 | { |
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223 | if (face != null) |
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224 | GetStoredMaterialInFace(part, face); |
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225 | } |
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226 | } |
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227 | |||
228 | /// <summary> |
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229 | /// Find the materials used in one Face, and add them to 'm_regionMaterials'. |
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230 | /// </summary> |
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231 | private void GetStoredMaterialInFace(SceneObjectPart part, Primitive.TextureEntryFace face) |
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232 | { |
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233 | UUID id = face.MaterialID; |
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234 | if (id == UUID.Zero) |
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235 | return; |
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236 | |||
237 | lock (m_regionMaterials) |
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238 | { |
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239 | if (m_regionMaterials.ContainsKey(id)) |
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240 | return; |
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241 | |||
242 | byte[] data = m_scene.AssetService.GetData(id.ToString()); |
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243 | if (data == null) |
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244 | { |
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245 | m_log.WarnFormat("[Materials]: Prim \"{0}\" ({1}) contains unknown material ID {2}", part.Name, part.UUID, id); |
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246 | return; |
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247 | } |
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248 | |||
249 | OSDMap mat; |
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250 | try |
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251 | { |
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252 | mat = (OSDMap)OSDParser.DeserializeLLSDXml(data); |
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253 | } |
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254 | catch (Exception e) |
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255 | { |
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256 | m_log.WarnFormat("[Materials]: cannot decode material asset {0}: {1}", id, e.Message); |
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257 | return; |
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258 | } |
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259 | |||
260 | m_regionMaterials[id] = mat; |
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261 | } |
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262 | } |
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263 | |||
264 | public string RenderMaterialsPostCap(string request, UUID agentID) |
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265 | { |
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266 | OSDMap req = (OSDMap)OSDParser.DeserializeLLSDXml(request); |
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267 | OSDMap resp = new OSDMap(); |
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268 | |||
269 | OSDMap materialsFromViewer = null; |
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270 | |||
271 | OSDArray respArr = new OSDArray(); |
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272 | |||
273 | if (req.ContainsKey("Zipped")) |
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274 | { |
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275 | OSD osd = null; |
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276 | |||
277 | byte[] inBytes = req["Zipped"].AsBinary(); |
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278 | |||
279 | try |
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280 | { |
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281 | osd = ZDecompressBytesToOsd(inBytes); |
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282 | |||
283 | if (osd != null) |
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284 | { |
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285 | if (osd is OSDArray) // assume array of MaterialIDs designating requested material entries |
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286 | { |
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287 | foreach (OSD elem in (OSDArray)osd) |
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288 | { |
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289 | try |
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290 | { |
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291 | UUID id = new UUID(elem.AsBinary(), 0); |
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292 | |||
293 | lock (m_regionMaterials) |
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294 | { |
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295 | if (m_regionMaterials.ContainsKey(id)) |
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296 | { |
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297 | OSDMap matMap = new OSDMap(); |
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298 | matMap["ID"] = OSD.FromBinary(id.GetBytes()); |
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299 | matMap["Material"] = m_regionMaterials[id]; |
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300 | respArr.Add(matMap); |
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301 | } |
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302 | else |
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303 | { |
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304 | m_log.Warn("[Materials]: request for unknown material ID: " + id.ToString()); |
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305 | |||
306 | // Theoretically we could try to load the material from the assets service, |
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307 | // but that shouldn't be necessary because the viewer should only request |
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308 | // materials that exist in a prim on the region, and all of these materials |
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309 | // are already stored in m_regionMaterials. |
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310 | } |
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311 | } |
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312 | } |
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313 | catch (Exception e) |
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314 | { |
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315 | m_log.Error("Error getting materials in response to viewer request", e); |
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316 | continue; |
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317 | } |
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318 | } |
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319 | } |
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320 | else if (osd is OSDMap) // request to assign a material |
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321 | { |
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322 | materialsFromViewer = osd as OSDMap; |
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323 | |||
324 | if (materialsFromViewer.ContainsKey("FullMaterialsPerFace")) |
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325 | { |
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326 | OSD matsOsd = materialsFromViewer["FullMaterialsPerFace"]; |
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327 | if (matsOsd is OSDArray) |
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328 | { |
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329 | OSDArray matsArr = matsOsd as OSDArray; |
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330 | |||
331 | try |
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332 | { |
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333 | foreach (OSDMap matsMap in matsArr) |
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334 | { |
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335 | uint primLocalID = 0; |
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336 | try { |
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337 | primLocalID = matsMap["ID"].AsUInteger(); |
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338 | } |
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339 | catch (Exception e) { |
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340 | m_log.Warn("[Materials]: cannot decode \"ID\" from matsMap: " + e.Message); |
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341 | continue; |
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342 | } |
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343 | |||
344 | OSDMap mat = null; |
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345 | try |
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346 | { |
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347 | mat = matsMap["Material"] as OSDMap; |
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348 | } |
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349 | catch (Exception e) |
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350 | { |
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351 | m_log.Warn("[Materials]: cannot decode \"Material\" from matsMap: " + e.Message); |
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352 | continue; |
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353 | } |
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354 | |||
355 | SceneObjectPart sop = m_scene.GetSceneObjectPart(primLocalID); |
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356 | if (sop == null) |
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357 | { |
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358 | m_log.WarnFormat("[Materials]: SOP not found for localId: {0}", primLocalID.ToString()); |
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359 | continue; |
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360 | } |
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361 | |||
362 | if (!m_scene.Permissions.CanEditObject(sop.UUID, agentID)) |
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363 | { |
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364 | m_log.WarnFormat("User {0} can't edit object {1} {2}", agentID, sop.Name, sop.UUID); |
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365 | continue; |
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366 | } |
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367 | |||
368 | Primitive.TextureEntry te = new Primitive.TextureEntry(sop.Shape.TextureEntry, 0, sop.Shape.TextureEntry.Length); |
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369 | if (te == null) |
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370 | { |
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371 | m_log.WarnFormat("[Materials]: Error in TextureEntry for SOP {0} {1}", sop.Name, sop.UUID); |
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372 | continue; |
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373 | } |
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374 | |||
375 | |||
376 | UUID id; |
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377 | if (mat == null) |
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378 | { |
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379 | // This happens then the user removes a material from a prim |
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380 | id = UUID.Zero; |
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381 | } |
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382 | else |
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383 | { |
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384 | id = StoreMaterialAsAsset(agentID, mat, sop); |
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385 | } |
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386 | |||
387 | |||
388 | int face = -1; |
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389 | |||
390 | if (matsMap.ContainsKey("Face")) |
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391 | { |
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392 | face = matsMap["Face"].AsInteger(); |
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393 | Primitive.TextureEntryFace faceEntry = te.CreateFace((uint)face); |
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394 | faceEntry.MaterialID = id; |
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395 | } |
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396 | else |
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397 | { |
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398 | if (te.DefaultTexture == null) |
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399 | m_log.WarnFormat("[Materials]: TextureEntry.DefaultTexture is null in {0} {1}", sop.Name, sop.UUID); |
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400 | else |
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401 | te.DefaultTexture.MaterialID = id; |
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402 | } |
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403 | |||
404 | //m_log.DebugFormat("[Materials]: in \"{0}\" {1}, setting material ID for face {2} to {3}", sop.Name, sop.UUID, face, id); |
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405 | |||
406 | // We can't use sop.UpdateTextureEntry(te) because it filters, so do it manually |
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407 | sop.Shape.TextureEntry = te.GetBytes(); |
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408 | |||
409 | if (sop.ParentGroup != null) |
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410 | { |
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411 | sop.TriggerScriptChangedEvent(Changed.TEXTURE); |
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412 | sop.UpdateFlag = UpdateRequired.FULL; |
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413 | sop.ParentGroup.HasGroupChanged = true; |
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414 | sop.ScheduleFullUpdate(); |
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415 | } |
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416 | } |
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417 | } |
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418 | catch (Exception e) |
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419 | { |
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420 | m_log.Warn("[Materials]: exception processing received material ", e); |
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421 | } |
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422 | } |
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423 | } |
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424 | } |
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425 | } |
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426 | |||
427 | } |
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428 | catch (Exception e) |
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429 | { |
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430 | m_log.Warn("[Materials]: exception decoding zipped CAP payload ", e); |
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431 | //return ""; |
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432 | } |
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433 | } |
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434 | |||
435 | |||
436 | resp["Zipped"] = ZCompressOSD(respArr, false); |
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437 | string response = OSDParser.SerializeLLSDXmlString(resp); |
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438 | |||
439 | //m_log.Debug("[Materials]: cap request: " + request); |
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440 | //m_log.Debug("[Materials]: cap request (zipped portion): " + ZippedOsdBytesToString(req["Zipped"].AsBinary())); |
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441 | //m_log.Debug("[Materials]: cap response: " + response); |
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442 | return response; |
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443 | } |
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444 | |||
445 | private UUID StoreMaterialAsAsset(UUID agentID, OSDMap mat, SceneObjectPart sop) |
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446 | { |
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447 | UUID id; |
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448 | // Material UUID = hash of the material's data. |
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449 | // This makes materials deduplicate across the entire grid (but isn't otherwise required). |
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450 | byte[] data = System.Text.Encoding.ASCII.GetBytes(OSDParser.SerializeLLSDXmlString(mat)); |
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451 | using (var md5 = MD5.Create()) |
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452 | id = new UUID(md5.ComputeHash(data), 0); |
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453 | |||
454 | lock (m_regionMaterials) |
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455 | { |
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456 | if (!m_regionMaterials.ContainsKey(id)) |
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457 | { |
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458 | m_regionMaterials[id] = mat; |
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459 | |||
460 | // This asset might exist already, but it's ok to try to store it again |
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461 | string name = "Material " + ChooseMaterialName(mat, sop); |
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462 | name = name.Substring(0, Math.Min(64, name.Length)).Trim(); |
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463 | AssetBase asset = new AssetBase(id, name, (sbyte)OpenSimAssetType.Material, agentID.ToString()); |
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464 | asset.Data = data; |
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465 | m_scene.AssetService.Store(asset); |
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466 | } |
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467 | } |
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468 | return id; |
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469 | } |
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470 | |||
471 | /// <summary> |
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472 | /// Use heuristics to choose a good name for the material. |
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473 | /// </summary> |
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474 | private string ChooseMaterialName(OSDMap mat, SceneObjectPart sop) |
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475 | { |
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476 | UUID normMap = mat["NormMap"].AsUUID(); |
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477 | if (normMap != UUID.Zero) |
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478 | { |
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479 | AssetBase asset = m_scene.AssetService.GetCached(normMap.ToString()); |
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480 | if ((asset != null) && (asset.Name.Length > 0) && !asset.Name.Equals("From IAR")) |
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481 | return asset.Name; |
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482 | } |
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483 | |||
484 | UUID specMap = mat["SpecMap"].AsUUID(); |
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485 | if (specMap != UUID.Zero) |
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486 | { |
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487 | AssetBase asset = m_scene.AssetService.GetCached(specMap.ToString()); |
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488 | if ((asset != null) && (asset.Name.Length > 0) && !asset.Name.Equals("From IAR")) |
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489 | return asset.Name; |
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490 | } |
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491 | |||
492 | if (sop.Name != "Primitive") |
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493 | return sop.Name; |
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494 | |||
495 | if ((sop.ParentGroup != null) && (sop.ParentGroup.Name != "Primitive")) |
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496 | return sop.ParentGroup.Name; |
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497 | |||
498 | return ""; |
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499 | } |
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500 | |||
501 | |||
502 | public string RenderMaterialsGetCap(string request) |
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503 | { |
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504 | OSDMap resp = new OSDMap(); |
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505 | int matsCount = 0; |
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506 | OSDArray allOsd = new OSDArray(); |
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507 | |||
508 | lock (m_regionMaterials) |
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509 | { |
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510 | foreach (KeyValuePair<UUID, OSDMap> kvp in m_regionMaterials) |
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511 | { |
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512 | OSDMap matMap = new OSDMap(); |
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513 | |||
514 | matMap["ID"] = OSD.FromBinary(kvp.Key.GetBytes()); |
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515 | matMap["Material"] = kvp.Value; |
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516 | allOsd.Add(matMap); |
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517 | matsCount++; |
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518 | } |
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519 | } |
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520 | |||
521 | resp["Zipped"] = ZCompressOSD(allOsd, false); |
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522 | |||
523 | return OSDParser.SerializeLLSDXmlString(resp); |
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524 | } |
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525 | |||
526 | private static string ZippedOsdBytesToString(byte[] bytes) |
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527 | { |
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528 | try |
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529 | { |
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530 | return OSDParser.SerializeJsonString(ZDecompressBytesToOsd(bytes)); |
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531 | } |
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532 | catch (Exception e) |
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533 | { |
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534 | return "ZippedOsdBytesToString caught an exception: " + e.ToString(); |
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535 | } |
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536 | } |
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537 | |||
538 | /// <summary> |
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539 | /// computes a UUID by hashing a OSD object |
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540 | /// </summary> |
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541 | /// <param name="osd"></param> |
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542 | /// <returns></returns> |
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543 | private static UUID HashOsd(OSD osd) |
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544 | { |
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545 | byte[] data = OSDParser.SerializeLLSDBinary(osd, false); |
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546 | using (var md5 = MD5.Create()) |
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547 | return new UUID(md5.ComputeHash(data), 0); |
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548 | } |
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549 | |||
550 | public static OSD ZCompressOSD(OSD inOsd, bool useHeader) |
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551 | { |
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552 | OSD osd = null; |
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553 | |||
554 | byte[] data = OSDParser.SerializeLLSDBinary(inOsd, useHeader); |
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555 | |||
556 | using (MemoryStream msSinkCompressed = new MemoryStream()) |
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557 | { |
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558 | using (Ionic.Zlib.ZlibStream zOut = new Ionic.Zlib.ZlibStream(msSinkCompressed, |
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559 | Ionic.Zlib.CompressionMode.Compress, CompressionLevel.BestCompression, true)) |
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560 | { |
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561 | zOut.Write(data, 0, data.Length); |
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562 | } |
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563 | |||
564 | msSinkCompressed.Seek(0L, SeekOrigin.Begin); |
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565 | osd = OSD.FromBinary(msSinkCompressed.ToArray()); |
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566 | } |
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567 | |||
568 | return osd; |
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569 | } |
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570 | |||
571 | |||
572 | public static OSD ZDecompressBytesToOsd(byte[] input) |
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573 | { |
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574 | OSD osd = null; |
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575 | |||
576 | using (MemoryStream msSinkUnCompressed = new MemoryStream()) |
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577 | { |
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578 | using (Ionic.Zlib.ZlibStream zOut = new Ionic.Zlib.ZlibStream(msSinkUnCompressed, CompressionMode.Decompress, true)) |
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579 | { |
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580 | zOut.Write(input, 0, input.Length); |
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581 | } |
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582 | |||
583 | msSinkUnCompressed.Seek(0L, SeekOrigin.Begin); |
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584 | osd = OSDParser.DeserializeLLSDBinary(msSinkUnCompressed.ToArray()); |
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585 | } |
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586 | |||
587 | return osd; |
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588 | } |
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589 | } |
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590 | } |