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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 OpenSim 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 System;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Serialization;
using OpenSim.Servers.Base;
using OpenSim.Services.Interfaces;
using OpenSim.Services.AssetService;
using OpenSim.Framework;
using OpenSim.Framework.Servers.HttpServer;
namespace OpenSim.Servers.AssetServer
{
public class AssetServerGetHandler : BaseStreamHandler
{
private IAssetService m_AssetService;
public AssetServerGetHandler(IAssetService service) :
base("GET", "/assets")
{
m_AssetService = service;
}
public override byte[] Handle(string path, Stream request,
OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
byte[] result = new byte[0];
string[] p = SplitParams(path);
if (p.Length == 0)
return result;
if (p.Length > 1 && p[1] == "data")
{
result = m_AssetService.GetData(p[0]);
if (result == null)
result = new byte[0];
httpResponse.StatusCode = (int)HttpStatusCode.OK;
httpResponse.ContentType = "application/octet-stream";
}
else if(p.Length > 1 && p[1] == "metadata")
{
AssetMetadata metadata = m_AssetService.GetMetadata(p[0]);
if (metadata != null)
{
XmlSerializer xs =
new XmlSerializer(typeof(AssetMetadata));
result = SerializeResult(xs, metadata);
httpResponse.StatusCode = (int)HttpStatusCode.OK;
httpResponse.ContentType =
ServerUtils.SLAssetTypeToContentType(metadata.Type);
}
}
else
{
AssetBase asset = m_AssetService.Get(p[0]);
if (asset != null)
{
XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
result = SerializeResult(xs, asset);
httpResponse.StatusCode = (int)HttpStatusCode.OK;
httpResponse.ContentType =
ServerUtils.SLAssetTypeToContentType(asset.Type);
}
}
return result;
}
private byte[] SerializeResult(XmlSerializer xs, object data)
{
MemoryStream ms = new MemoryStream();
XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8);
xw.Formatting = Formatting.Indented;
xs.Serialize(xw, data);
xw.Flush();
ms.Seek(0, SeekOrigin.Begin);
byte[] ret = ms.GetBuffer();
Array.Resize<byte>(ref ret, (int)ms.Length);
return ret;
}
}
}
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