opensim-development – Rev 1
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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 Nini.Config;
using log4net;
using System;
using System.Reflection;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Serialization;
using System.Collections.Generic;
using OpenSim.Server.Base;
using OpenSim.Services.Interfaces;
using OpenSim.Framework;
using OpenSim.Framework.Servers.HttpServer;
using OpenMetaverse;
namespace OpenSim.Server.Handlers.Avatar
{
public class AvatarServerPostHandler : BaseStreamHandler
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IAvatarService m_AvatarService;
public AvatarServerPostHandler(IAvatarService service) :
base("POST", "/avatar")
{
m_AvatarService = service;
}
protected override byte[] ProcessRequest(string path, Stream requestData,
IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
{
StreamReader sr = new StreamReader(requestData);
string body = sr.ReadToEnd();
sr.Close();
body = body.Trim();
//m_log.DebugFormat("[XXX]: query String: {0}", body);
try
{
Dictionary<string, object> request =
ServerUtils.ParseQueryString(body);
if (!request.ContainsKey("METHOD"))
return FailureResult();
string method = request["METHOD"].ToString();
switch (method)
{
case "getavatar":
return GetAvatar(request);
case "setavatar":
return SetAvatar(request);
case "resetavatar":
return ResetAvatar(request);
case "setitems":
return SetItems(request);
case "removeitems":
return RemoveItems(request);
}
m_log.DebugFormat("[AVATAR HANDLER]: unknown method request: {0}", method);
}
catch (Exception e)
{
m_log.Debug("[AVATAR HANDLER]: Exception {0}" + e);
}
return FailureResult();
}
byte[] GetAvatar(Dictionary<string, object> request)
{
UUID user = UUID.Zero;
if (!request.ContainsKey("UserID"))
return FailureResult();
if (UUID.TryParse(request["UserID"].ToString(), out user))
{
AvatarData avatar = m_AvatarService.GetAvatar(user);
if (avatar == null)
return FailureResult();
Dictionary<string, object> result = new Dictionary<string, object>();
if (avatar == null)
result["result"] = "null";
else
result["result"] = avatar.ToKeyValuePairs();
string xmlString = ServerUtils.BuildXmlResponse(result);
return Util.UTF8NoBomEncoding.GetBytes(xmlString);
}
return FailureResult();
}
byte[] SetAvatar(Dictionary<string, object> request)
{
UUID user = UUID.Zero;
if (!request.ContainsKey("UserID"))
return FailureResult();
if (!UUID.TryParse(request["UserID"].ToString(), out user))
return FailureResult();
RemoveRequestParamsNotForStorage(request);
AvatarData avatar = new AvatarData(request);
if (m_AvatarService.SetAvatar(user, avatar))
return SuccessResult();
return FailureResult();
}
byte[] ResetAvatar(Dictionary<string, object> request)
{
UUID user = UUID.Zero;
if (!request.ContainsKey("UserID"))
return FailureResult();
if (!UUID.TryParse(request["UserID"].ToString(), out user))
return FailureResult();
RemoveRequestParamsNotForStorage(request);
if (m_AvatarService.ResetAvatar(user))
return SuccessResult();
return FailureResult();
}
/// <summary>
/// Remove parameters that were used to invoke the method and should not in themselves be persisted.
/// </summary>
/// <param name='request'></param>
private void RemoveRequestParamsNotForStorage(Dictionary<string, object> request)
{
request.Remove("VERSIONMAX");
request.Remove("VERSIONMIN");
request.Remove("METHOD");
request.Remove("UserID");
}
byte[] SetItems(Dictionary<string, object> request)
{
UUID user = UUID.Zero;
string[] names, values;
if (!request.ContainsKey("UserID") || !request.ContainsKey("Names") || !request.ContainsKey("Values"))
return FailureResult();
if (!UUID.TryParse(request["UserID"].ToString(), out user))
return FailureResult();
if (!(request["Names"] is List<string> || request["Values"] is List<string>))
return FailureResult();
RemoveRequestParamsNotForStorage(request);
List<string> _names = (List<string>)request["Names"];
names = _names.ToArray();
List<string> _values = (List<string>)request["Values"];
values = _values.ToArray();
if (m_AvatarService.SetItems(user, names, values))
return SuccessResult();
return FailureResult();
}
byte[] RemoveItems(Dictionary<string, object> request)
{
UUID user = UUID.Zero;
string[] names;
if (!request.ContainsKey("UserID") || !request.ContainsKey("Names"))
return FailureResult();
if (!UUID.TryParse(request["UserID"].ToString(), out user))
return FailureResult();
if (!(request["Names"] is List<string>))
return FailureResult();
List<string> _names = (List<string>)request["Names"];
names = _names.ToArray();
if (m_AvatarService.RemoveItems(user, names))
return SuccessResult();
return FailureResult();
}
private byte[] SuccessResult()
{
XmlDocument doc = new XmlDocument();
XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
"", "");
doc.AppendChild(xmlnode);
XmlElement rootElement = doc.CreateElement("", "ServerResponse",
"");
doc.AppendChild(rootElement);
XmlElement result = doc.CreateElement("", "result", "");
result.AppendChild(doc.CreateTextNode("Success"));
rootElement.AppendChild(result);
return DocToBytes(doc);
}
private byte[] FailureResult()
{
XmlDocument doc = new XmlDocument();
XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
"", "");
doc.AppendChild(xmlnode);
XmlElement rootElement = doc.CreateElement("", "ServerResponse",
"");
doc.AppendChild(rootElement);
XmlElement result = doc.CreateElement("", "result", "");
result.AppendChild(doc.CreateTextNode("Failure"));
rootElement.AppendChild(result);
return DocToBytes(doc);
}
private byte[] DocToBytes(XmlDocument doc)
{
MemoryStream ms = new MemoryStream();
XmlTextWriter xw = new XmlTextWriter(ms, null);
xw.Formatting = Formatting.Indented;
doc.WriteTo(xw);
xw.Flush();
return ms.ToArray();
}
}
}