clockwerk-opensim – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.IO; |
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31 | using System.Reflection; |
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32 | using System.Xml; |
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33 | |||
34 | using Nini.Config; |
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35 | using log4net; |
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36 | using OpenMetaverse; |
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37 | |||
38 | using OpenSim.Framework; |
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39 | using OpenSim.Server.Base; |
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40 | using OpenSim.Services.Interfaces; |
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41 | using OpenSim.Framework.ServiceAuth; |
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42 | using OpenSim.Framework.Servers.HttpServer; |
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43 | using OpenSim.Server.Handlers.Base; |
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44 | |||
45 | using GridRegion = OpenSim.Services.Interfaces.GridRegion; |
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46 | |||
47 | namespace OpenSim.Server.Handlers.MapImage |
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48 | { |
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49 | public class MapAddServiceConnector : ServiceConnector |
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50 | { |
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51 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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52 | |||
53 | private IMapImageService m_MapService; |
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54 | private IGridService m_GridService; |
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55 | private string m_ConfigName = "MapImageService"; |
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56 | |||
57 | public MapAddServiceConnector(IConfigSource config, IHttpServer server, string configName) : |
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58 | base(config, server, configName) |
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59 | { |
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60 | IConfig serverConfig = config.Configs[m_ConfigName]; |
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61 | if (serverConfig == null) |
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62 | throw new Exception(String.Format("No section {0} in config file", m_ConfigName)); |
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63 | |||
64 | string mapService = serverConfig.GetString("LocalServiceModule", |
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65 | String.Empty); |
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66 | |||
67 | if (mapService == String.Empty) |
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68 | throw new Exception("No LocalServiceModule in config file"); |
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69 | |||
70 | Object[] args = new Object[] { config }; |
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71 | m_MapService = ServerUtils.LoadPlugin<IMapImageService>(mapService, args); |
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72 | |||
73 | string gridService = serverConfig.GetString("GridService", String.Empty); |
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74 | if (gridService != string.Empty) |
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75 | m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args); |
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76 | |||
77 | if (m_GridService != null) |
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78 | m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is ON"); |
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79 | else |
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80 | m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is OFF"); |
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81 | |||
82 | bool proxy = serverConfig.GetBoolean("HasProxy", false); |
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83 | IServiceAuth auth = ServiceAuth.Create(config, m_ConfigName); |
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84 | server.AddStreamHandler(new MapServerPostHandler(m_MapService, m_GridService, proxy, auth)); |
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85 | |||
86 | } |
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87 | } |
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88 | |||
89 | class MapServerPostHandler : BaseStreamHandler |
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90 | { |
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91 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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92 | private IMapImageService m_MapService; |
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93 | private IGridService m_GridService; |
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94 | bool m_Proxy; |
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95 | |||
96 | public MapServerPostHandler(IMapImageService service, IGridService grid, bool proxy, IServiceAuth auth) : |
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97 | base("POST", "/map", auth) |
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98 | { |
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99 | m_MapService = service; |
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100 | m_GridService = grid; |
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101 | m_Proxy = proxy; |
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102 | } |
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103 | |||
104 | protected override byte[] ProcessRequest(string path, Stream requestData, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse) |
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105 | { |
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106 | // m_log.DebugFormat("[MAP SERVICE IMAGE HANDLER]: Received {0}", path); |
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107 | StreamReader sr = new StreamReader(requestData); |
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108 | string body = sr.ReadToEnd(); |
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109 | sr.Close(); |
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110 | body = body.Trim(); |
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111 | |||
112 | try |
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113 | { |
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114 | Dictionary<string, object> request = ServerUtils.ParseQueryString(body); |
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115 | |||
116 | if (!request.ContainsKey("X") || !request.ContainsKey("Y") || !request.ContainsKey("DATA")) |
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117 | { |
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118 | httpResponse.StatusCode = (int)OSHttpStatusCode.ClientErrorBadRequest; |
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119 | return FailureResult("Bad request."); |
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120 | } |
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121 | uint x = 0, y = 0; |
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122 | UInt32.TryParse(request["X"].ToString(), out x); |
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123 | UInt32.TryParse(request["Y"].ToString(), out y); |
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124 | |||
125 | m_log.DebugFormat("[MAP ADD SERVER CONNECTOR]: Received map data for region at {0}-{1}", x, y); |
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126 | |||
127 | // string type = "image/jpeg"; |
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128 | // |
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129 | // if (request.ContainsKey("TYPE")) |
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130 | // type = request["TYPE"].ToString(); |
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131 | |||
132 | if (m_GridService != null) |
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133 | { |
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134 | System.Net.IPAddress ipAddr = GetCallerIP(httpRequest); |
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135 | GridRegion r = m_GridService.GetRegionByPosition(UUID.Zero, (int)Util.RegionToWorldLoc(x), (int)Util.RegionToWorldLoc(y)); |
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136 | if (r != null) |
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137 | { |
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138 | if (r.ExternalEndPoint.Address.ToString() != ipAddr.ToString()) |
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139 | { |
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140 | 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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141 | return FailureResult("IP address of caller does not match IP address of registered region"); |
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142 | } |
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143 | |||
144 | } |
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145 | else |
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146 | { |
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147 | m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be rogue. Region not found at coordinates {1}-{2}", |
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148 | ipAddr, x, y); |
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149 | return FailureResult("Region not found at given coordinates"); |
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150 | } |
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151 | } |
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152 | |||
153 | byte[] data = Convert.FromBase64String(request["DATA"].ToString()); |
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154 | |||
155 | string reason = string.Empty; |
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156 | bool result = m_MapService.AddMapTile((int)x, (int)y, data, out reason); |
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157 | |||
158 | if (result) |
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159 | return SuccessResult(); |
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160 | else |
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161 | return FailureResult(reason); |
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162 | |||
163 | } |
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164 | catch (Exception e) |
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165 | { |
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166 | m_log.ErrorFormat("[MAP SERVICE IMAGE HANDLER]: Exception {0} {1}", e.Message, e.StackTrace); |
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167 | } |
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168 | |||
169 | return FailureResult("Unexpected server error"); |
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170 | } |
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171 | |||
172 | private byte[] SuccessResult() |
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173 | { |
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174 | XmlDocument doc = new XmlDocument(); |
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175 | |||
176 | XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration, |
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177 | "", ""); |
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178 | |||
179 | doc.AppendChild(xmlnode); |
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180 | |||
181 | XmlElement rootElement = doc.CreateElement("", "ServerResponse", |
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182 | ""); |
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183 | |||
184 | doc.AppendChild(rootElement); |
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185 | |||
186 | XmlElement result = doc.CreateElement("", "Result", ""); |
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187 | result.AppendChild(doc.CreateTextNode("Success")); |
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188 | |||
189 | rootElement.AppendChild(result); |
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190 | |||
191 | return Util.DocToBytes(doc); |
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192 | } |
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193 | |||
194 | private byte[] FailureResult(string msg) |
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195 | { |
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196 | XmlDocument doc = new XmlDocument(); |
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197 | |||
198 | XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration, |
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199 | "", ""); |
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200 | |||
201 | doc.AppendChild(xmlnode); |
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202 | |||
203 | XmlElement rootElement = doc.CreateElement("", "ServerResponse", |
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204 | ""); |
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205 | |||
206 | doc.AppendChild(rootElement); |
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207 | |||
208 | XmlElement result = doc.CreateElement("", "Result", ""); |
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209 | result.AppendChild(doc.CreateTextNode("Failure")); |
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210 | |||
211 | rootElement.AppendChild(result); |
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212 | |||
213 | XmlElement message = doc.CreateElement("", "Message", ""); |
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214 | message.AppendChild(doc.CreateTextNode(msg)); |
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215 | |||
216 | rootElement.AppendChild(message); |
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217 | |||
218 | return Util.DocToBytes(doc); |
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219 | } |
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220 | |||
221 | private System.Net.IPAddress GetCallerIP(IOSHttpRequest request) |
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222 | { |
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223 | if (!m_Proxy) |
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224 | return request.RemoteIPEndPoint.Address; |
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225 | |||
226 | // We're behind a proxy |
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227 | string xff = "X-Forwarded-For"; |
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228 | string xffValue = request.Headers[xff.ToLower()]; |
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229 | if (xffValue == null || (xffValue != null && xffValue == string.Empty)) |
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230 | xffValue = request.Headers[xff]; |
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231 | |||
232 | if (xffValue == null || (xffValue != null && xffValue == string.Empty)) |
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233 | { |
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234 | m_log.WarnFormat("[MAP IMAGE HANDLER]: No XFF header"); |
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235 | return request.RemoteIPEndPoint.Address; |
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236 | } |
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237 | |||
238 | System.Net.IPEndPoint ep = Util.GetClientIPFromXFF(xffValue); |
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239 | if (ep != null) |
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240 | return ep.Address; |
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241 | |||
242 | // Oops |
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243 | return request.RemoteIPEndPoint.Address; |
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244 | } |
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245 | |||
246 | } |
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247 | } |