opensim-development – 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 | using System; |
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28 | using System.Collections.Generic; |
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29 | using System.IO; |
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30 | using System.Reflection; |
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31 | using System.Xml; |
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32 | |||
33 | using Nini.Config; |
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34 | using log4net; |
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35 | using OpenMetaverse; |
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36 | |||
37 | using OpenSim.Framework; |
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38 | using OpenSim.Framework.Serialization.External; |
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39 | using OpenSim.Server.Base; |
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40 | using OpenSim.Services.Interfaces; |
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41 | using OpenSim.Services.AssetService; |
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42 | |||
43 | namespace OpenSim.Services.HypergridService |
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44 | { |
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45 | /// <summary> |
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46 | /// Hypergrid asset service. It serves the IAssetService interface, |
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47 | /// but implements it in ways that are appropriate for inter-grid |
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48 | /// asset exchanges. |
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49 | /// </summary> |
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50 | public class HGAssetService : OpenSim.Services.AssetService.AssetService, IAssetService |
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51 | { |
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52 | private static readonly ILog m_log = |
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53 | LogManager.GetLogger( |
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54 | MethodBase.GetCurrentMethod().DeclaringType); |
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55 | |||
56 | private string m_HomeURL; |
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57 | private IUserAccountService m_UserAccountService; |
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58 | |||
59 | private UserAccountCache m_Cache; |
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60 | |||
61 | private AssetPermissions m_AssetPerms; |
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62 | |||
63 | public HGAssetService(IConfigSource config, string configName) : base(config, configName) |
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64 | { |
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65 | m_log.Debug("[HGAsset Service]: Starting"); |
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66 | IConfig assetConfig = config.Configs[configName]; |
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67 | if (assetConfig == null) |
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68 | throw new Exception("No HGAssetService configuration"); |
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69 | |||
70 | string userAccountsDll = assetConfig.GetString("UserAccountsService", string.Empty); |
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71 | if (userAccountsDll == string.Empty) |
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72 | throw new Exception("Please specify UserAccountsService in HGAssetService configuration"); |
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73 | |||
74 | Object[] args = new Object[] { config }; |
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75 | m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(userAccountsDll, args); |
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76 | if (m_UserAccountService == null) |
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77 | throw new Exception(String.Format("Unable to create UserAccountService from {0}", userAccountsDll)); |
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78 | |||
79 | // legacy configuration [obsolete] |
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80 | m_HomeURL = assetConfig.GetString("ProfileServerURI", string.Empty); |
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81 | // Preferred |
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82 | m_HomeURL = assetConfig.GetString("HomeURI", m_HomeURL); |
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83 | |||
84 | m_Cache = UserAccountCache.CreateUserAccountCache(m_UserAccountService); |
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85 | |||
86 | // Permissions |
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87 | m_AssetPerms = new AssetPermissions(assetConfig); |
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88 | |||
89 | } |
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90 | |||
91 | #region IAssetService overrides |
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92 | public override AssetBase Get(string id) |
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93 | { |
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94 | AssetBase asset = base.Get(id); |
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95 | |||
96 | if (asset == null) |
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97 | return null; |
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98 | |||
99 | if (!m_AssetPerms.AllowedExport(asset.Type)) |
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100 | return null; |
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101 | |||
102 | if (asset.Metadata.Type == (sbyte)AssetType.Object) |
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103 | asset.Data = AdjustIdentifiers(asset.Data); ; |
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104 | |||
105 | AdjustIdentifiers(asset.Metadata); |
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106 | |||
107 | return asset; |
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108 | } |
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109 | |||
110 | public override AssetMetadata GetMetadata(string id) |
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111 | { |
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112 | AssetMetadata meta = base.GetMetadata(id); |
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113 | |||
114 | if (meta == null) |
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115 | return null; |
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116 | |||
117 | AdjustIdentifiers(meta); |
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118 | |||
119 | return meta; |
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120 | } |
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121 | |||
122 | public override byte[] GetData(string id) |
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123 | { |
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124 | AssetBase asset = Get(id); |
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125 | |||
126 | if (asset == null) |
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127 | return null; |
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128 | |||
129 | if (!m_AssetPerms.AllowedExport(asset.Type)) |
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130 | return null; |
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131 | |||
132 | return asset.Data; |
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133 | } |
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134 | |||
135 | //public virtual bool Get(string id, Object sender, AssetRetrieved handler) |
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136 | |||
137 | public override string Store(AssetBase asset) |
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138 | { |
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139 | if (!m_AssetPerms.AllowedImport(asset.Type)) |
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140 | return string.Empty; |
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141 | |||
142 | return base.Store(asset); |
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143 | } |
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144 | |||
145 | public override bool Delete(string id) |
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146 | { |
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147 | // NOGO |
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148 | return false; |
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149 | } |
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150 | |||
151 | #endregion |
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152 | |||
153 | protected void AdjustIdentifiers(AssetMetadata meta) |
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154 | { |
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155 | if (meta == null || m_Cache == null) |
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156 | return; |
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157 | |||
158 | UserAccount creator = m_Cache.GetUser(meta.CreatorID); |
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159 | if (creator != null) |
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160 | meta.CreatorID = meta.CreatorID + ";" + m_HomeURL + "/" + creator.FirstName + " " + creator.LastName; |
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161 | } |
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162 | |||
163 | protected byte[] AdjustIdentifiers(byte[] data) |
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164 | { |
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165 | string xml = Utils.BytesToString(data); |
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166 | return Utils.StringToBytes(ExternalRepresentationUtils.RewriteSOP(xml, m_HomeURL, m_Cache, UUID.Zero)); |
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167 | } |
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168 | |||
169 | } |
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170 | |||
171 | } |