1 files changed, 172 insertions, 0 deletions

diff --git a/OpenSim/Server/Handlers/Asset/AssetServerGetHandler.cs b/OpenSim/Server/Handlers/Asset/AssetServerGetHandler.cs
new file mode 100644
index 0000000..91c5c54
--- /dev/null
+++ b/OpenSim/Server/Handlers/Asset/AssetServerGetHandler.cs
@@ -0,0 +1,172 @@
+/*
+ * 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 Nini.Config;
+using log4net;
+using System;
+using System.IO;
+using System.Reflection;
+using System.Net;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Xml;
+using System.Xml.Serialization;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+using OpenSim.Framework;
+using OpenSim.Framework.ServiceAuth;
+using OpenSim.Framework.Servers.HttpServer;
+
+namespace OpenSim.Server.Handlers.Asset
+{
+    public class AssetServerGetHandler : BaseStreamHandler
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IAssetService m_AssetService;
+        private string m_RedirectURL;
+
+        public AssetServerGetHandler(IAssetService service) :
+                base("GET", "/assets")
+        {
+            m_AssetService = service; 
+        }
+
+        public AssetServerGetHandler(IAssetService service, IServiceAuth auth, string redirectURL) :
+            base("GET", "/assets", auth)
+        {
+            m_AssetService = service;
+            m_RedirectURL = redirectURL;
+            if (!m_RedirectURL.EndsWith("/"))
+                m_RedirectURL = m_RedirectURL.TrimEnd('/');
+        }
+
+        protected override byte[] ProcessRequest(string path, Stream request,
+                IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
+        {
+            byte[] result = new byte[0];
+
+            string[] p = SplitParams(path);
+
+            if (p.Length == 0)
+                return result;
+
+            string id = string.Empty;
+            if (p.Length > 1)
+            {
+                id = p[0];
+                string cmd = p[1];
+
+                if (cmd == "data")
+                {
+                    result = m_AssetService.GetData(id);
+                    if (result == null)
+                    {
+                        httpResponse.StatusCode = (int)HttpStatusCode.NotFound;
+                        httpResponse.ContentType = "text/plain";
+                        result = new byte[0];
+                    }
+                    else
+                    {
+                        httpResponse.StatusCode = (int)HttpStatusCode.OK;
+                        httpResponse.ContentType = "application/octet-stream";
+                    }
+                }
+                else if (cmd == "metadata")
+                {
+                    AssetMetadata metadata = m_AssetService.GetMetadata(id);
+
+                    if (metadata != null)
+                    {
+                        XmlSerializer xs =
+                                new XmlSerializer(typeof(AssetMetadata));
+                        result = ServerUtils.SerializeResult(xs, metadata);
+
+                        httpResponse.StatusCode = (int)HttpStatusCode.OK;
+                        httpResponse.ContentType =
+                                SLUtil.SLAssetTypeToContentType(metadata.Type);
+                    }
+                    else
+                    {
+                        httpResponse.StatusCode = (int)HttpStatusCode.NotFound;
+                        httpResponse.ContentType = "text/plain";
+                        result = new byte[0];
+                    }
+                }
+                else
+                {
+                    // Unknown request
+                    httpResponse.StatusCode = (int)HttpStatusCode.BadRequest;
+                    httpResponse.ContentType = "text/plain";
+                    result = new byte[0];
+                }
+            }
+            else if (p.Length == 1)
+            {
+                // Get the entire asset (metadata + data)
+
+                id = p[0];
+                AssetBase asset = m_AssetService.Get(id);
+
+                if (asset != null)
+                {
+                    XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
+                    result = ServerUtils.SerializeResult(xs, asset);
+
+                    httpResponse.StatusCode = (int)HttpStatusCode.OK;
+                    httpResponse.ContentType =
+                            SLUtil.SLAssetTypeToContentType(asset.Type);
+                }
+                else
+                {
+                    httpResponse.StatusCode = (int)HttpStatusCode.NotFound;
+                    httpResponse.ContentType = "text/plain";
+                    result = new byte[0];
+                }
+            }
+            else
+            {
+                // Unknown request
+                httpResponse.StatusCode = (int)HttpStatusCode.BadRequest;
+                httpResponse.ContentType = "text/plain";
+                result = new byte[0];
+            }
+            
+            if (httpResponse.StatusCode == (int)HttpStatusCode.NotFound && !string.IsNullOrEmpty(m_RedirectURL) && !string.IsNullOrEmpty(id))
+            {
+                httpResponse.StatusCode = (int)HttpStatusCode.Redirect;
+                string rurl = m_RedirectURL;
+                if (!path.StartsWith("/"))
+                    rurl += "/";
+                rurl += path;
+                httpResponse.AddHeader("Location", rurl);
+                m_log.DebugFormat("[ASSET GET HANDLER]: Asset not found, redirecting to {0} ({1})", rurl, httpResponse.StatusCode);
+            }
+            return result;
+        }
+    }
+}