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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 System;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Collections.Generic;
using System.IO;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Server.Base;
using OpenSim.Services.Interfaces;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Server.Handlers.Base;
using log4net;
using OpenMetaverse;
namespace OpenSim.OfflineIM
{
public class OfflineIMServiceRobustConnector : ServiceConnector
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IOfflineIMService m_OfflineIMService;
private string m_ConfigName = "Messaging";
public OfflineIMServiceRobustConnector(IConfigSource config, IHttpServer server, string configName) :
base(config, server, configName)
{
if (configName != String.Empty)
m_ConfigName = configName;
m_log.DebugFormat("[OfflineIM.V2.RobustConnector]: Starting with config name {0}", m_ConfigName);
m_OfflineIMService = new OfflineIMService(config);
server.AddStreamHandler(new OfflineIMServicePostHandler(m_OfflineIMService));
}
}
public class OfflineIMServicePostHandler : BaseStreamHandler
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IOfflineIMService m_OfflineIMService;
public OfflineIMServicePostHandler(IOfflineIMService service) :
base("POST", "/offlineim")
{
m_OfflineIMService = 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();
request.Remove("METHOD");
switch (method)
{
case "GET":
return HandleGet(request);
case "STORE":
return HandleStore(request);
case "DELETE":
return HandleDelete(request);
}
m_log.DebugFormat("[OFFLINE IM HANDLER]: unknown method request: {0}", method);
}
catch (Exception e)
{
m_log.DebugFormat("[OFFLINE IM HANDLER]: Exception {0}", e.StackTrace);
}
return FailureResult();
}
byte[] HandleStore(Dictionary<string, object> request)
{
Dictionary<string, object> result = new Dictionary<string, object>();
GridInstantMessage im = OfflineIMDataUtils.GridInstantMessage(request);
string reason = string.Empty;
bool success = m_OfflineIMService.StoreMessage(im, out reason);
result["RESULT"] = success.ToString();
if (!success)
result["REASON"] = reason;
string xmlString = ServerUtils.BuildXmlResponse(result);
//m_log.DebugFormat("[XXX]: resp string: {0}", xmlString);
return Util.UTF8NoBomEncoding.GetBytes(xmlString);
}
byte[] HandleGet(Dictionary<string, object> request)
{
Dictionary<string, object> result = new Dictionary<string, object>();
if (!request.ContainsKey("PrincipalID"))
NullResult(result, "Bad network data");
else
{
UUID principalID = new UUID(request["PrincipalID"].ToString());
List<GridInstantMessage> ims = m_OfflineIMService.GetMessages(principalID);
Dictionary<string, object> dict = new Dictionary<string, object>();
int i = 0;
foreach (GridInstantMessage m in ims)
dict["im-" + i++] = OfflineIMDataUtils.GridInstantMessage(m);
result["RESULT"] = dict;
}
string xmlString = ServerUtils.BuildXmlResponse(result);
//m_log.DebugFormat("[XXX]: resp string: {0}", xmlString);
return Util.UTF8NoBomEncoding.GetBytes(xmlString);
}
byte[] HandleDelete(Dictionary<string, object> request)
{
if (!request.ContainsKey("UserID"))
{
return FailureResult();
}
else
{
UUID userID = new UUID(request["UserID"].ToString());
m_OfflineIMService.DeleteMessages(userID);
return SuccessResult();
}
}
#region Helpers
private void NullResult(Dictionary<string, object> result, string reason)
{
result["RESULT"] = "NULL";
result["REASON"] = reason;
}
private byte[] FailureResult()
{
return BoolResult(false);
}
private byte[] SuccessResult()
{
return BoolResult(true);
}
private byte[] BoolResult(bool value)
{
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(value.ToString()));
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();
}
#endregion
}
}
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