1 files changed, 145 insertions, 0 deletions

diff --git a/OpenSim/Services/HypergridService/HGAssetService.cs b/OpenSim/Services/HypergridService/HGAssetService.cs
new file mode 100644
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+++ b/OpenSim/Services/HypergridService/HGAssetService.cs
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+/*
+ * 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_ProfileServiceURL;
+        private IUserAccountService m_UserAccountService;
+
+        private UserAccountCache m_Cache;
+
+        public HGAssetService(IConfigSource config) : base(config)
+        {
+            m_log.Debug("[HGAsset Service]: Starting");
+            IConfig assetConfig = config.Configs["HGAssetService"];
+            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));
+
+            m_ProfileServiceURL = assetConfig.GetString("ProfileServerURI", string.Empty);
+
+            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)
+        {
+            UserAccount creator = m_Cache.GetUser(meta.CreatorID);
+            if (creator != null)
+                meta.CreatorID = m_ProfileServiceURL + "/" + meta.CreatorID + ";" + creator.FirstName + " " + creator.LastName;
+        }
+
+        protected byte[] AdjustIdentifiers(byte[] data)
+        {
+            string xml = Utils.BytesToString(data);
+            return Utils.StringToBytes(ExternalRepresentationUtils.RewriteSOP(xml, m_ProfileServiceURL, m_Cache, UUID.Zero));
+        }
+
+    }
+
+}