Add forgotten file
Melanie Thielker
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d97896d39a
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94650c43cd
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/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Xml;
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using Nini.Config;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Server.Base;
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using OpenSim.Services.Interfaces;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenSim.Server.Handlers.Base;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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namespace OpenSim.Server.Handlers.MapImage
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{
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public class MapRemoveServiceConnector : ServiceConnector
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private IMapImageService m_MapService;
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private IGridService m_GridService;
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private string m_ConfigName = "MapImageService";
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public MapRemoveServiceConnector(IConfigSource config, IHttpServer server, string configName) :
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base(config, server, configName)
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{
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IConfig serverConfig = config.Configs[m_ConfigName];
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if (serverConfig == null)
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throw new Exception(String.Format("No section {0} in config file", m_ConfigName));
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string mapService = serverConfig.GetString("LocalServiceModule",
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String.Empty);
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if (mapService == String.Empty)
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throw new Exception("No LocalServiceModule in config file");
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Object[] args = new Object[] { config };
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m_MapService = ServerUtils.LoadPlugin<IMapImageService>(mapService, args);
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string gridService = serverConfig.GetString("GridService", String.Empty);
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if (gridService != string.Empty)
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m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
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if (m_GridService != null)
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m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is ON");
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else
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m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is OFF");
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bool proxy = serverConfig.GetBoolean("HasProxy", false);
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server.AddStreamHandler(new MapServerRemoveHandler(m_MapService, m_GridService, proxy));
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}
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}
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class MapServerRemoveHandler : BaseStreamHandler
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private IMapImageService m_MapService;
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private IGridService m_GridService;
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bool m_Proxy;
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public MapServerRemoveHandler(IMapImageService service, IGridService grid, bool proxy) :
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base("POST", "/removemap")
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{
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m_MapService = service;
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m_GridService = grid;
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m_Proxy = proxy;
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}
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public override byte[] Handle(string path, Stream requestData, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
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{
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// m_log.DebugFormat("[MAP SERVICE IMAGE HANDLER]: Received {0}", path);
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StreamReader sr = new StreamReader(requestData);
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string body = sr.ReadToEnd();
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sr.Close();
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body = body.Trim();
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try
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{
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Dictionary<string, object> request = ServerUtils.ParseQueryString(body);
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if (!request.ContainsKey("X") || !request.ContainsKey("Y"))
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{
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httpResponse.StatusCode = (int)OSHttpStatusCode.ClientErrorBadRequest;
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return FailureResult("Bad request.");
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}
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int x = 0, y = 0;
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Int32.TryParse(request["X"].ToString(), out x);
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Int32.TryParse(request["Y"].ToString(), out y);
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m_log.DebugFormat("[MAP REMOVE SERVER CONNECTOR]: Received position data for region at {0}-{1}", x, y);
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if (m_GridService != null)
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{
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System.Net.IPAddress ipAddr = GetCallerIP(httpRequest);
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GridRegion r = m_GridService.GetRegionByPosition(UUID.Zero, x * (int)Constants.RegionSize, y * (int)Constants.RegionSize);
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if (r != null)
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{
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if (r.ExternalEndPoint.Address.ToString() != ipAddr.ToString())
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{
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m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be trying to impersonate region in IP {1}", ipAddr, r.ExternalEndPoint.Address);
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return FailureResult("IP address of caller does not match IP address of registered region");
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}
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}
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else
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{
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m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be rogue. Region not found at coordinates {1}-{2}",
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ipAddr, x, y);
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return FailureResult("Region not found at given coordinates");
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}
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}
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string reason = string.Empty;
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bool result = m_MapService.RemoveMapTile(x, y, out reason);
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if (result)
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return SuccessResult();
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else
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return FailureResult(reason);
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[MAP SERVICE IMAGE HANDLER]: Exception {0} {1}", e.Message, e.StackTrace);
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}
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return FailureResult("Unexpected server error");
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}
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private byte[] SuccessResult()
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{
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XmlDocument doc = new XmlDocument();
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XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
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"", "");
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doc.AppendChild(xmlnode);
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XmlElement rootElement = doc.CreateElement("", "ServerResponse",
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"");
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doc.AppendChild(rootElement);
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XmlElement result = doc.CreateElement("", "Result", "");
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result.AppendChild(doc.CreateTextNode("Success"));
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rootElement.AppendChild(result);
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return DocToBytes(doc);
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}
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private byte[] FailureResult(string msg)
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{
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XmlDocument doc = new XmlDocument();
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XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
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"", "");
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doc.AppendChild(xmlnode);
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XmlElement rootElement = doc.CreateElement("", "ServerResponse",
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"");
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doc.AppendChild(rootElement);
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XmlElement result = doc.CreateElement("", "Result", "");
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result.AppendChild(doc.CreateTextNode("Failure"));
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rootElement.AppendChild(result);
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XmlElement message = doc.CreateElement("", "Message", "");
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message.AppendChild(doc.CreateTextNode(msg));
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rootElement.AppendChild(message);
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return DocToBytes(doc);
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}
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private byte[] DocToBytes(XmlDocument doc)
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{
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MemoryStream ms = new MemoryStream();
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XmlTextWriter xw = new XmlTextWriter(ms, null);
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xw.Formatting = Formatting.Indented;
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doc.WriteTo(xw);
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xw.Flush();
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return ms.ToArray();
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}
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private System.Net.IPAddress GetCallerIP(IOSHttpRequest request)
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{
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if (!m_Proxy)
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return request.RemoteIPEndPoint.Address;
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// We're behind a proxy
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string xff = "X-Forwarded-For";
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string xffValue = request.Headers[xff.ToLower()];
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if (xffValue == null || (xffValue != null && xffValue == string.Empty))
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xffValue = request.Headers[xff];
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if (xffValue == null || (xffValue != null && xffValue == string.Empty))
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{
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m_log.WarnFormat("[MAP IMAGE HANDLER]: No XFF header");
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return request.RemoteIPEndPoint.Address;
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}
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System.Net.IPEndPoint ep = Util.GetClientIPFromXFF(xffValue);
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if (ep != null)
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return ep.Address;
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// Oops
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return request.RemoteIPEndPoint.Address;
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}
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}
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}
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