/*
* 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.IO;
using System.Reflection;
using System.Collections.Specialized;
using System.Net;
using System.Text;
using System.Web;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using log4net;
namespace OpenSim.Grid.AssetInventoryServer.Plugins
{
public class BrowseFrontendPlugin : IAssetInventoryServerPlugin
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private AssetInventoryServer m_server;
public BrowseFrontendPlugin()
{
}
#region IPlugin implementation
public void Initialise(AssetInventoryServer server)
{
m_server = server;
// Request for / or /?...
m_server.HttpServer.AddStreamHandler(new BrowseRequestHandler(server));
m_log.Info("[BROWSEFRONTEND]: Browser Frontend loaded.");
}
/// <summary>
/// <para>Initialises asset interface</para>
/// </summary>
public void Initialise()
{
m_log.InfoFormat("[BROWSEFRONTEND]: {0} cannot be default-initialized!", Name);
throw new PluginNotInitialisedException(Name);
}
public void Dispose()
{
}
public string Version
{
// TODO: this should be something meaningful and not hardcoded?
get { return "0.1"; }
}
public string Name
{
get { return "BrowseFrontend"; }
}
#endregion IPlugin implementation
public class BrowseRequestHandler : BaseStreamHandler
{
AssetInventoryServer m_server;
//public BrowseRequestHandler(AssetInventoryServer server) : base("GET", "(^/$|(^/\?.*)")
public BrowseRequestHandler(AssetInventoryServer server) : base("GET", "/")
{
m_server = server;
}
public override string ContentType
{
get { return "text/html"; }
}
#region IStreamedRequestHandler implementation
public override byte[] Handle(string path, Stream request, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
const int ASSETS_PER_PAGE = 25;
const string HEADER = "<html><head><title>Asset Server</title></head><body>";
const string TABLE_HEADER =
"<table><tr><th>Name</th><th>Description</th><th>Type</th><th>ID</th><th>Temporary</th><th>SHA-1</th></tr>";
const string TABLE_FOOTER = "</table>";
const string FOOTER = "</body></html>";
UUID authToken = Utils.GetAuthToken(httpRequest);
StringBuilder html = new StringBuilder();
int start = 0;
uint page = 0;
if (!String.IsNullOrEmpty(httpRequest.Url.Query))
{
NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
if (!String.IsNullOrEmpty(query["page"]) && UInt32.TryParse(query["page"], out page))
start = (int)page * ASSETS_PER_PAGE;
}
html.AppendLine(HEADER);
html.AppendLine("<p>");
if (page > 0)
html.AppendFormat("<a href=\"{0}?page={1}\">< Previous Page</a> | ", httpRequest.RawUrl, page - 1);
html.AppendFormat("<a href=\"{0}?page={1}\">Next Page ></a>", httpRequest.RawUrl, page + 1);
html.AppendLine("</p>");
html.AppendLine(TABLE_HEADER);
m_server.StorageProvider.ForEach(
delegate(AssetMetadata data)
{
if (m_server.AuthorizationProvider.IsMetadataAuthorized(authToken, data.FullID))
{
html.AppendLine(String.Format(
"<tr><td>{0}</td><td>{1}</td><td>{2}</td><td>{3}</td><td>{4}</td><td>{5}</td></tr>",
data.Name, data.Description, data.ContentType, data.ID, data.Temporary,
BitConverter.ToString(data.SHA1).Replace("-", String.Empty)));
}
else
{
html.AppendLine(String.Format(
"<tr><td>[Protected Asset]</td><td> </td><td> </td><td>{0}</td><td>{1}</td><td> </td></tr>",
data.ID, data.Temporary));
}
}, start, ASSETS_PER_PAGE
);
html.AppendLine(TABLE_FOOTER);
html.AppendLine(FOOTER);
byte[] responseData = System.Text.Encoding.UTF8.GetBytes(html.ToString());
httpResponse.StatusCode = (int) HttpStatusCode.OK;
//httpResponse.Body.Write(responseData, 0, responseData.Length);
//httpResponse.Body.Flush();
return responseData;
}
#endregion IStreamedRequestHandler implementation
}
}
}