opensim – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | eva | 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.Xml; |
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30 | using System.Collections; |
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31 | using System.Collections.Generic; |
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32 | using System.Diagnostics; |
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33 | using System.Reflection; |
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34 | using System.Text; |
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35 | using System.Text.RegularExpressions; |
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36 | using System.Threading; |
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37 | using OpenMetaverse; |
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38 | using Nini.Config; |
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39 | using OpenSim.Framework.Servers.HttpServer; |
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40 | using log4net; |
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41 | |||
42 | namespace OpenSim.Framework.Console |
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43 | { |
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44 | public class ConsoleConnection |
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45 | { |
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46 | public int last; |
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47 | public long lastLineSeen; |
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48 | public bool newConnection = true; |
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49 | } |
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50 | |||
51 | // A console that uses REST interfaces |
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52 | // |
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53 | public class RemoteConsole : CommandConsole |
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54 | { |
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55 | private IHttpServer m_Server = null; |
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56 | private IConfigSource m_Config = null; |
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57 | |||
58 | private List<string> m_Scrollback = new List<string>(); |
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59 | private ManualResetEvent m_DataEvent = new ManualResetEvent(false); |
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60 | private List<string> m_InputData = new List<string>(); |
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61 | private long m_LineNumber = 0; |
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62 | private Dictionary<UUID, ConsoleConnection> m_Connections = |
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63 | new Dictionary<UUID, ConsoleConnection>(); |
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64 | private string m_UserName = String.Empty; |
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65 | private string m_Password = String.Empty; |
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66 | private string m_AllowedOrigin = String.Empty; |
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67 | |||
68 | public RemoteConsole(string defaultPrompt) : base(defaultPrompt) |
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69 | { |
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70 | } |
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71 | |||
72 | public void ReadConfig(IConfigSource config) |
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73 | { |
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74 | m_Config = config; |
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75 | |||
76 | IConfig netConfig = m_Config.Configs["Network"]; |
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77 | if (netConfig == null) |
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78 | return; |
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79 | |||
80 | m_UserName = netConfig.GetString("ConsoleUser", String.Empty); |
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81 | m_Password = netConfig.GetString("ConsolePass", String.Empty); |
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82 | m_AllowedOrigin = netConfig.GetString("ConsoleAllowedOrigin", String.Empty); |
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83 | } |
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84 | |||
85 | public void SetServer(IHttpServer server) |
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86 | { |
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87 | m_Server = server; |
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88 | |||
89 | m_Server.AddHTTPHandler("/StartSession/", HandleHttpStartSession); |
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90 | m_Server.AddHTTPHandler("/CloseSession/", HandleHttpCloseSession); |
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91 | m_Server.AddHTTPHandler("/SessionCommand/", HandleHttpSessionCommand); |
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92 | } |
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93 | |||
94 | public override void Output(string text, string level) |
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95 | { |
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96 | lock (m_Scrollback) |
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97 | { |
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98 | while (m_Scrollback.Count >= 1000) |
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99 | m_Scrollback.RemoveAt(0); |
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100 | m_LineNumber++; |
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101 | m_Scrollback.Add(String.Format("{0}", m_LineNumber)+":"+level+":"+text); |
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102 | } |
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103 | FireOnOutput(text.Trim()); |
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104 | System.Console.WriteLine(text.Trim()); |
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105 | } |
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106 | |||
107 | public override void Output(string text) |
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108 | { |
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109 | Output(text, "normal"); |
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110 | } |
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111 | |||
112 | public override string ReadLine(string p, bool isCommand, bool e) |
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113 | { |
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114 | if (isCommand) |
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115 | Output("+++"+p); |
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116 | else |
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117 | Output("-++"+p); |
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118 | |||
119 | m_DataEvent.WaitOne(); |
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120 | |||
121 | string cmdinput; |
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122 | |||
123 | lock (m_InputData) |
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124 | { |
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125 | if (m_InputData.Count == 0) |
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126 | { |
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127 | m_DataEvent.Reset(); |
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128 | return ""; |
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129 | } |
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130 | |||
131 | cmdinput = m_InputData[0]; |
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132 | m_InputData.RemoveAt(0); |
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133 | if (m_InputData.Count == 0) |
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134 | m_DataEvent.Reset(); |
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135 | |||
136 | } |
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137 | |||
138 | if (isCommand) |
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139 | { |
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140 | string[] cmd = Commands.Resolve(Parser.Parse(cmdinput)); |
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141 | |||
142 | if (cmd.Length != 0) |
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143 | { |
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144 | int i; |
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145 | |||
146 | for (i=0 ; i < cmd.Length ; i++) |
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147 | { |
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148 | if (cmd[i].Contains(" ")) |
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149 | cmd[i] = "\"" + cmd[i] + "\""; |
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150 | } |
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151 | return String.Empty; |
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152 | } |
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153 | } |
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154 | return cmdinput; |
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155 | } |
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156 | |||
157 | private Hashtable CheckOrigin(Hashtable result) |
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158 | { |
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159 | if (!string.IsNullOrEmpty(m_AllowedOrigin)) |
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160 | result["access_control_allow_origin"] = m_AllowedOrigin; |
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161 | return result; |
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162 | } |
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163 | /* TODO: Figure out how PollServiceHTTPHandler can access the request headers |
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164 | * in order to use m_AllowedOrigin as a regular expression |
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165 | private Hashtable CheckOrigin(Hashtable headers, Hashtable result) |
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166 | { |
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167 | if (!string.IsNullOrEmpty(m_AllowedOrigin)) |
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168 | { |
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169 | if (headers.ContainsKey("origin")) |
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170 | { |
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171 | string origin = headers["origin"].ToString(); |
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172 | if (Regex.IsMatch(origin, m_AllowedOrigin)) |
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173 | result["access_control_allow_origin"] = origin; |
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174 | } |
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175 | } |
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176 | return result; |
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177 | } |
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178 | */ |
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179 | |||
180 | private void DoExpire() |
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181 | { |
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182 | List<UUID> expired = new List<UUID>(); |
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183 | |||
184 | lock (m_Connections) |
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185 | { |
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186 | foreach (KeyValuePair<UUID, ConsoleConnection> kvp in m_Connections) |
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187 | { |
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188 | if (System.Environment.TickCount - kvp.Value.last > 500000) |
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189 | expired.Add(kvp.Key); |
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190 | } |
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191 | |||
192 | foreach (UUID id in expired) |
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193 | { |
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194 | m_Connections.Remove(id); |
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195 | CloseConnection(id); |
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196 | } |
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197 | } |
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198 | } |
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199 | |||
200 | private Hashtable HandleHttpStartSession(Hashtable request) |
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201 | { |
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202 | DoExpire(); |
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203 | |||
204 | Hashtable post = DecodePostString(request["body"].ToString()); |
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205 | Hashtable reply = new Hashtable(); |
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206 | |||
207 | reply["str_response_string"] = ""; |
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208 | reply["int_response_code"] = 401; |
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209 | reply["content_type"] = "text/plain"; |
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210 | |||
211 | if (m_UserName == String.Empty) |
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212 | return reply; |
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213 | |||
214 | if (post["USER"] == null || post["PASS"] == null) |
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215 | return reply; |
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216 | |||
217 | if (m_UserName != post["USER"].ToString() || |
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218 | m_Password != post["PASS"].ToString()) |
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219 | { |
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220 | return reply; |
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221 | } |
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222 | |||
223 | ConsoleConnection c = new ConsoleConnection(); |
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224 | c.last = System.Environment.TickCount; |
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225 | c.lastLineSeen = 0; |
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226 | |||
227 | UUID sessionID = UUID.Random(); |
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228 | |||
229 | lock (m_Connections) |
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230 | { |
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231 | m_Connections[sessionID] = c; |
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232 | } |
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233 | |||
234 | string uri = "/ReadResponses/" + sessionID.ToString() + "/"; |
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235 | |||
236 | m_Server.AddPollServiceHTTPHandler( |
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237 | uri, new PollServiceEventArgs(null, uri, HasEvents, GetEvents, NoEvents, sessionID,25000)); // 25 secs timeout |
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238 | |||
239 | XmlDocument xmldoc = new XmlDocument(); |
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240 | XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, |
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241 | "", ""); |
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242 | |||
243 | xmldoc.AppendChild(xmlnode); |
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244 | XmlElement rootElement = xmldoc.CreateElement("", "ConsoleSession", |
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245 | ""); |
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246 | |||
247 | xmldoc.AppendChild(rootElement); |
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248 | |||
249 | XmlElement id = xmldoc.CreateElement("", "SessionID", ""); |
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250 | id.AppendChild(xmldoc.CreateTextNode(sessionID.ToString())); |
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251 | |||
252 | rootElement.AppendChild(id); |
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253 | |||
254 | XmlElement prompt = xmldoc.CreateElement("", "Prompt", ""); |
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255 | prompt.AppendChild(xmldoc.CreateTextNode(DefaultPrompt)); |
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256 | |||
257 | rootElement.AppendChild(prompt); |
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258 | |||
259 | rootElement.AppendChild(MainConsole.Instance.Commands.GetXml(xmldoc)); |
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260 | |||
261 | reply["str_response_string"] = xmldoc.InnerXml; |
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262 | reply["int_response_code"] = 200; |
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263 | reply["content_type"] = "text/xml"; |
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264 | reply = CheckOrigin(reply); |
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265 | |||
266 | return reply; |
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267 | } |
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268 | |||
269 | private Hashtable HandleHttpCloseSession(Hashtable request) |
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270 | { |
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271 | DoExpire(); |
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272 | |||
273 | Hashtable post = DecodePostString(request["body"].ToString()); |
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274 | Hashtable reply = new Hashtable(); |
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275 | |||
276 | reply["str_response_string"] = ""; |
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277 | reply["int_response_code"] = 404; |
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278 | reply["content_type"] = "text/plain"; |
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279 | |||
280 | if (post["ID"] == null) |
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281 | return reply; |
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282 | |||
283 | UUID id; |
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284 | if (!UUID.TryParse(post["ID"].ToString(), out id)) |
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285 | return reply; |
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286 | |||
287 | lock (m_Connections) |
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288 | { |
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289 | if (m_Connections.ContainsKey(id)) |
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290 | { |
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291 | m_Connections.Remove(id); |
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292 | CloseConnection(id); |
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293 | } |
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294 | } |
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295 | |||
296 | XmlDocument xmldoc = new XmlDocument(); |
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297 | XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, |
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298 | "", ""); |
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299 | |||
300 | xmldoc.AppendChild(xmlnode); |
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301 | XmlElement rootElement = xmldoc.CreateElement("", "ConsoleSession", |
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302 | ""); |
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303 | |||
304 | xmldoc.AppendChild(rootElement); |
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305 | |||
306 | XmlElement res = xmldoc.CreateElement("", "Result", ""); |
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307 | res.AppendChild(xmldoc.CreateTextNode("OK")); |
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308 | |||
309 | rootElement.AppendChild(res); |
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310 | |||
311 | reply["str_response_string"] = xmldoc.InnerXml; |
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312 | reply["int_response_code"] = 200; |
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313 | reply["content_type"] = "text/xml"; |
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314 | reply = CheckOrigin(reply); |
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315 | |||
316 | return reply; |
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317 | } |
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318 | |||
319 | private Hashtable HandleHttpSessionCommand(Hashtable request) |
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320 | { |
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321 | DoExpire(); |
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322 | |||
323 | Hashtable post = DecodePostString(request["body"].ToString()); |
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324 | Hashtable reply = new Hashtable(); |
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325 | |||
326 | reply["str_response_string"] = ""; |
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327 | reply["int_response_code"] = 404; |
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328 | reply["content_type"] = "text/plain"; |
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329 | |||
330 | if (post["ID"] == null) |
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331 | return reply; |
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332 | |||
333 | UUID id; |
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334 | if (!UUID.TryParse(post["ID"].ToString(), out id)) |
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335 | return reply; |
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336 | |||
337 | lock (m_Connections) |
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338 | { |
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339 | if (!m_Connections.ContainsKey(id)) |
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340 | return reply; |
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341 | } |
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342 | |||
343 | if (post["COMMAND"] == null) |
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344 | return reply; |
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345 | |||
346 | lock (m_InputData) |
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347 | { |
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348 | m_DataEvent.Set(); |
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349 | m_InputData.Add(post["COMMAND"].ToString()); |
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350 | } |
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351 | |||
352 | XmlDocument xmldoc = new XmlDocument(); |
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353 | XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, |
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354 | "", ""); |
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355 | |||
356 | xmldoc.AppendChild(xmlnode); |
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357 | XmlElement rootElement = xmldoc.CreateElement("", "ConsoleSession", |
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358 | ""); |
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359 | |||
360 | xmldoc.AppendChild(rootElement); |
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361 | |||
362 | XmlElement res = xmldoc.CreateElement("", "Result", ""); |
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363 | res.AppendChild(xmldoc.CreateTextNode("OK")); |
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364 | |||
365 | rootElement.AppendChild(res); |
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366 | |||
367 | reply["str_response_string"] = xmldoc.InnerXml; |
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368 | reply["int_response_code"] = 200; |
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369 | reply["content_type"] = "text/xml"; |
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370 | reply = CheckOrigin(reply); |
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371 | |||
372 | return reply; |
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373 | } |
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374 | |||
375 | private Hashtable DecodePostString(string data) |
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376 | { |
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377 | Hashtable result = new Hashtable(); |
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378 | |||
379 | string[] terms = data.Split(new char[] {'&'}); |
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380 | |||
381 | foreach (string term in terms) |
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382 | { |
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383 | string[] elems = term.Split(new char[] {'='}); |
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384 | if (elems.Length == 0) |
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385 | continue; |
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386 | |||
387 | string name = System.Web.HttpUtility.UrlDecode(elems[0]); |
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388 | string value = String.Empty; |
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389 | |||
390 | if (elems.Length > 1) |
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391 | value = System.Web.HttpUtility.UrlDecode(elems[1]); |
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392 | |||
393 | result[name] = value; |
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394 | } |
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395 | |||
396 | return result; |
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397 | } |
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398 | |||
399 | public void CloseConnection(UUID id) |
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400 | { |
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401 | try |
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402 | { |
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403 | string uri = "/ReadResponses/" + id.ToString() + "/"; |
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404 | |||
405 | m_Server.RemovePollServiceHTTPHandler("", uri); |
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406 | } |
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407 | catch (Exception) |
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408 | { |
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409 | } |
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410 | } |
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411 | |||
412 | private bool HasEvents(UUID RequestID, UUID sessionID) |
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413 | { |
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414 | ConsoleConnection c = null; |
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415 | |||
416 | lock (m_Connections) |
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417 | { |
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418 | if (!m_Connections.ContainsKey(sessionID)) |
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419 | return false; |
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420 | c = m_Connections[sessionID]; |
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421 | } |
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422 | c.last = System.Environment.TickCount; |
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423 | if (c.lastLineSeen < m_LineNumber) |
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424 | return true; |
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425 | return false; |
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426 | } |
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427 | |||
428 | private Hashtable GetEvents(UUID RequestID, UUID sessionID) |
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429 | { |
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430 | ConsoleConnection c = null; |
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431 | |||
432 | lock (m_Connections) |
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433 | { |
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434 | if (!m_Connections.ContainsKey(sessionID)) |
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435 | return NoEvents(RequestID, UUID.Zero); |
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436 | c = m_Connections[sessionID]; |
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437 | } |
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438 | c.last = System.Environment.TickCount; |
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439 | if (c.lastLineSeen >= m_LineNumber) |
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440 | return NoEvents(RequestID, UUID.Zero); |
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441 | |||
442 | Hashtable result = new Hashtable(); |
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443 | |||
444 | XmlDocument xmldoc = new XmlDocument(); |
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445 | XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, |
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446 | "", ""); |
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447 | |||
448 | xmldoc.AppendChild(xmlnode); |
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449 | XmlElement rootElement = xmldoc.CreateElement("", "ConsoleSession", |
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450 | ""); |
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451 | |||
452 | if (c.newConnection) |
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453 | { |
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454 | c.newConnection = false; |
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455 | Output("+++" + DefaultPrompt); |
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456 | } |
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457 | |||
458 | lock (m_Scrollback) |
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459 | { |
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460 | long startLine = m_LineNumber - m_Scrollback.Count; |
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461 | long sendStart = startLine; |
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462 | if (sendStart < c.lastLineSeen) |
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463 | sendStart = c.lastLineSeen; |
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464 | |||
465 | for (long i = sendStart ; i < m_LineNumber ; i++) |
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466 | { |
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467 | XmlElement res = xmldoc.CreateElement("", "Line", ""); |
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468 | long line = i + 1; |
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469 | res.SetAttribute("Number", line.ToString()); |
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470 | res.AppendChild(xmldoc.CreateTextNode(m_Scrollback[(int)(i - startLine)])); |
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471 | |||
472 | rootElement.AppendChild(res); |
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473 | } |
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474 | } |
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475 | c.lastLineSeen = m_LineNumber; |
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476 | |||
477 | xmldoc.AppendChild(rootElement); |
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478 | |||
479 | result["str_response_string"] = xmldoc.InnerXml; |
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480 | result["int_response_code"] = 200; |
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481 | result["content_type"] = "application/xml"; |
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482 | result["keepalive"] = false; |
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483 | result["reusecontext"] = false; |
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484 | result = CheckOrigin(result); |
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485 | |||
486 | return result; |
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487 | } |
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488 | |||
489 | private Hashtable NoEvents(UUID RequestID, UUID id) |
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490 | { |
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491 | Hashtable result = new Hashtable(); |
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492 | |||
493 | XmlDocument xmldoc = new XmlDocument(); |
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494 | XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, |
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495 | "", ""); |
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496 | |||
497 | xmldoc.AppendChild(xmlnode); |
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498 | XmlElement rootElement = xmldoc.CreateElement("", "ConsoleSession", |
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499 | ""); |
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500 | |||
501 | xmldoc.AppendChild(rootElement); |
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502 | |||
503 | result["str_response_string"] = xmldoc.InnerXml; |
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504 | result["int_response_code"] = 200; |
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505 | result["content_type"] = "text/xml"; |
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506 | result["keepalive"] = false; |
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507 | result["reusecontext"] = false; |
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508 | result = CheckOrigin(result); |
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509 | |||
510 | return result; |
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511 | } |
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512 | } |
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513 | } |