opensim – 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.Presence
{
public class PresenceServerPostHandler : BaseStreamHandler
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IPresenceService m_PresenceService;
public PresenceServerPostHandler(IPresenceService service) :
base("POST", "/presence")
{
m_PresenceService = 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);
string method = string.Empty;
try
{
Dictionary<string, object> request =
ServerUtils.ParseQueryString(body);
if (!request.ContainsKey("METHOD"))
return FailureResult();
method = request["METHOD"].ToString();
switch (method)
{
case "login":
return LoginAgent(request);
case "logout":
return LogoutAgent(request);
case "logoutregion":
return LogoutRegionAgents(request);
case "report":
return Report(request);
case "getagent":
return GetAgent(request);
case "getagents":
return GetAgents(request);
}
m_log.DebugFormat("[PRESENCE HANDLER]: unknown method request: {0}", method);
}
catch (Exception e)
{
m_log.DebugFormat("[PRESENCE HANDLER]: Exception in method {0}: {1}", method, e);
}
return FailureResult();
}
byte[] LoginAgent(Dictionary<string, object> request)
{
string user = String.Empty;
UUID session = UUID.Zero;
UUID ssession = UUID.Zero;
if (!request.ContainsKey("UserID") || !request.ContainsKey("SessionID"))
return FailureResult();
user = request["UserID"].ToString();
if (!UUID.TryParse(request["SessionID"].ToString(), out session))
return FailureResult();
if (request.ContainsKey("SecureSessionID"))
// If it's malformed, we go on with a Zero on it
UUID.TryParse(request["SecureSessionID"].ToString(), out ssession);
if (m_PresenceService.LoginAgent(user, session, ssession))
return SuccessResult();
return FailureResult();
}
byte[] LogoutAgent(Dictionary<string, object> request)
{
UUID session = UUID.Zero;
if (!request.ContainsKey("SessionID"))
return FailureResult();
if (!UUID.TryParse(request["SessionID"].ToString(), out session))
return FailureResult();
if (m_PresenceService.LogoutAgent(session))
return SuccessResult();
return FailureResult();
}
byte[] LogoutRegionAgents(Dictionary<string, object> request)
{
UUID region = UUID.Zero;
if (!request.ContainsKey("RegionID"))
return FailureResult();
if (!UUID.TryParse(request["RegionID"].ToString(), out region))
return FailureResult();
if (m_PresenceService.LogoutRegionAgents(region))
return SuccessResult();
return FailureResult();
}
byte[] Report(Dictionary<string, object> request)
{
UUID session = UUID.Zero;
UUID region = UUID.Zero;
if (!request.ContainsKey("SessionID") || !request.ContainsKey("RegionID"))
return FailureResult();
if (!UUID.TryParse(request["SessionID"].ToString(), out session))
return FailureResult();
if (!UUID.TryParse(request["RegionID"].ToString(), out region))
return FailureResult();
if (m_PresenceService.ReportAgent(session, region))
{
return SuccessResult();
}
return FailureResult();
}
byte[] GetAgent(Dictionary<string, object> request)
{
UUID session = UUID.Zero;
if (!request.ContainsKey("SessionID"))
return FailureResult();
if (!UUID.TryParse(request["SessionID"].ToString(), out session))
return FailureResult();
PresenceInfo pinfo = m_PresenceService.GetAgent(session);
Dictionary<string, object> result = new Dictionary<string, object>();
if (pinfo == null)
result["result"] = "null";
else
result["result"] = pinfo.ToKeyValuePairs();
string xmlString = ServerUtils.BuildXmlResponse(result);
//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
return Util.UTF8NoBomEncoding.GetBytes(xmlString);
}
byte[] GetAgents(Dictionary<string, object> request)
{
string[] userIDs;
if (!request.ContainsKey("uuids"))
{
m_log.DebugFormat("[PRESENCE HANDLER]: GetAgents called without required uuids argument");
return FailureResult();
}
if (!(request["uuids"] is List<string>))
{
m_log.DebugFormat("[PRESENCE HANDLER]: GetAgents input argument was of unexpected type {0}", request["uuids"].GetType().ToString());
return FailureResult();
}
userIDs = ((List<string>)request["uuids"]).ToArray();
PresenceInfo[] pinfos = m_PresenceService.GetAgents(userIDs);
Dictionary<string, object> result = new Dictionary<string, object>();
if ((pinfos == null) || ((pinfos != null) && (pinfos.Length == 0)))
result["result"] = "null";
else
{
int i = 0;
foreach (PresenceInfo pinfo in pinfos)
{
Dictionary<string, object> rinfoDict = pinfo.ToKeyValuePairs();
result["presence" + i] = rinfoDict;
i++;
}
}
string xmlString = ServerUtils.BuildXmlResponse(result);
//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
return Util.UTF8NoBomEncoding.GetBytes(xmlString);
}
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();
}
}
}