/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the OpenSimulator Project nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ using System; using System.Collections.Generic; using System.IO; using System.Reflection; using System.Xml; using Nini.Config; using log4net; using OpenMetaverse; using OpenSim.Framework; using OpenSim.Framework.Serialization.External; using OpenSim.Server.Base; using OpenSim.Services.Interfaces; using OpenSim.Services.AssetService; namespace OpenSim.Services.HypergridService { /// <summary> /// Hypergrid asset service. It serves the IAssetService interface, /// but implements it in ways that are appropriate for inter-grid /// asset exchanges. /// </summary> public class HGAssetService : OpenSim.Services.AssetService.AssetService, IAssetService { private static readonly ILog m_log = LogManager.GetLogger( MethodBase.GetCurrentMethod().DeclaringType); private string m_HomeURL; private IUserAccountService m_UserAccountService; private UserAccountCache m_Cache; public HGAssetService(IConfigSource config, string configName) : base(config, configName) { m_log.Debug("[HGAsset Service]: Starting"); IConfig assetConfig = config.Configs[configName]; if (assetConfig == null) throw new Exception("No HGAssetService configuration"); string userAccountsDll = assetConfig.GetString("UserAccountsService", string.Empty); if (userAccountsDll == string.Empty) throw new Exception("Please specify UserAccountsService in HGAssetService configuration"); Object[] args = new Object[] { config }; m_UserAccountService = ServerUtils.LoadPlugin<IUserAccountService>(userAccountsDll, args); if (m_UserAccountService == null) throw new Exception(String.Format("Unable to create UserAccountService from {0}", userAccountsDll)); // legacy configuration [obsolete] m_HomeURL = assetConfig.GetString("ProfileServerURI", string.Empty); // Preferred m_HomeURL = assetConfig.GetString("HomeURI", m_HomeURL); m_Cache = UserAccountCache.CreateUserAccountCache(m_UserAccountService); } #region IAssetService overrides public override AssetBase Get(string id) { AssetBase asset = base.Get(id); if (asset == null) return null; if (asset.Metadata.Type == (sbyte)AssetType.Object) asset.Data = AdjustIdentifiers(asset.Data); ; AdjustIdentifiers(asset.Metadata); return asset; } public override AssetMetadata GetMetadata(string id) { AssetMetadata meta = base.GetMetadata(id); if (meta == null) return null; AdjustIdentifiers(meta); return meta; } public override byte[] GetData(string id) { byte[] data = base.GetData(id); if (data == null) return null; return AdjustIdentifiers(data); } //public virtual bool Get(string id, Object sender, AssetRetrieved handler) public override bool Delete(string id) { // NOGO return false; } #endregion protected void AdjustIdentifiers(AssetMetadata meta) { if (meta == null || m_Cache == null) return; UserAccount creator = m_Cache.GetUser(meta.CreatorID); if (creator != null) meta.CreatorID = meta.CreatorID + ";" + m_HomeURL + "/" + creator.FirstName + " " + creator.LastName; } protected byte[] AdjustIdentifiers(byte[] data) { string xml = Utils.BytesToString(data); return Utils.StringToBytes(ExternalRepresentationUtils.RewriteSOP(xml, m_HomeURL, m_Cache, UUID.Zero)); } } }