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-rw-r--r--OpenSim/Framework/Servers/BaseHttpServer.cs312
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diff --git a/OpenSim/Framework/Servers/BaseHttpServer.cs b/OpenSim/Framework/Servers/BaseHttpServer.cs
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1/*
2* Copyright (c) Contributors, http://www.openmetaverse.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28using System;
29using System.Collections.Generic;
30using System.Net;
31using System.Text;
32using System.Text.RegularExpressions;
33using System.Threading;
34//using OpenSim.CAPS;
35using Nwc.XmlRpc;
36using System.Collections;
37using OpenSim.Framework.Console;
38
39namespace OpenSim.Servers
40{
41 public class BaseHttpServer
42 {
43 protected class RestMethodEntry
44 {
45 private string m_path;
46 public string Path
47 {
48 get { return m_path; }
49 }
50
51 private RestMethod m_restMethod;
52 public RestMethod RestMethod
53 {
54 get { return m_restMethod; }
55 }
56
57 public RestMethodEntry(string path, RestMethod restMethod)
58 {
59 m_path = path;
60 m_restMethod = restMethod;
61 }
62 }
63
64 protected Thread m_workerThread;
65 protected HttpListener m_httpListener;
66 protected Dictionary<string, RestMethodEntry> m_restHandlers = new Dictionary<string, RestMethodEntry>();
67 protected Dictionary<string, XmlRpcMethod> m_rpcHandlers = new Dictionary<string, XmlRpcMethod>();
68 protected int m_port;
69 protected bool firstcaps = true;
70
71 public BaseHttpServer(int port)
72 {
73 m_port = port;
74 }
75
76 public bool AddRestHandler(string method, string path, RestMethod handler)
77 {
78 //Console.WriteLine("adding new REST handler for path " + path);
79 string methodKey = String.Format("{0}: {1}", method, path);
80
81 if (!this.m_restHandlers.ContainsKey(methodKey))
82 {
83 this.m_restHandlers.Add(methodKey, new RestMethodEntry(path, handler));
84 return true;
85 }
86
87 //must already have a handler for that path so return false
88 return false;
89 }
90
91 public bool RemoveRestHandler(string method, string path)
92 {
93 string methodKey = String.Format("{0}: {1}", method, path);
94 if (this.m_restHandlers.ContainsKey(methodKey))
95 {
96 this.m_restHandlers.Remove(methodKey);
97 return true;
98 }
99 return false;
100 }
101
102 public bool AddXmlRPCHandler(string method, XmlRpcMethod handler)
103 {
104 if (!this.m_rpcHandlers.ContainsKey(method))
105 {
106 this.m_rpcHandlers.Add(method, handler);
107 return true;
108 }
109
110 //must already have a handler for that path so return false
111 return false;
112 }
113
114 protected virtual string ProcessXMLRPCMethod(string methodName, XmlRpcRequest request)
115 {
116 XmlRpcResponse response;
117
118 XmlRpcMethod method;
119 if (this.m_rpcHandlers.TryGetValue(methodName, out method))
120 {
121 response = method(request);
122 }
123 else
124 {
125 response = new XmlRpcResponse();
126 Hashtable unknownMethodError = new Hashtable();
127 unknownMethodError["reason"] = "XmlRequest"; ;
128 unknownMethodError["message"] = "Unknown Rpc request";
129 unknownMethodError["login"] = "false";
130 response.Value = unknownMethodError;
131 }
132
133 return XmlRpcResponseSerializer.Singleton.Serialize(response);
134 }
135
136 protected virtual string ParseREST(string request, string path, string method)
137 {
138 string response;
139
140 string requestKey = String.Format("{0}: {1}", method, path);
141
142 string bestMatch = String.Empty;
143 foreach (string currentKey in m_restHandlers.Keys)
144 {
145 if (requestKey.StartsWith(currentKey))
146 {
147 if (currentKey.Length > bestMatch.Length)
148 {
149 bestMatch = currentKey;
150 }
151 }
152 }
153
154 RestMethodEntry restMethodEntry;
155 if (m_restHandlers.TryGetValue(bestMatch, out restMethodEntry))
156 {
157 RestMethod restMethod = restMethodEntry.RestMethod;
158
159 string param = path.Substring(restMethodEntry.Path.Length);
160 response = restMethod(request, path, param);
161
162 }
163 else
164 {
165 response = String.Empty;
166 }
167
168 return response;
169 }
170
171 protected virtual string ParseLLSDXML(string requestBody)
172 {
173 // dummy function for now - IMPLEMENT ME!
174 Console.WriteLine("LLSD request "+requestBody);
175 string resp = "";
176 if (firstcaps)
177 {
178 resp = "<llsd><map><key>MapLayer</key><string>http://127.0.0.1:9000/CAPS/</string></map></llsd>";
179 firstcaps = false;
180 }
181 return resp;
182 }
183
184 protected virtual string ParseXMLRPC(string requestBody)
185 {
186 string responseString = String.Empty;
187
188 try
189 {
190 XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody);
191
192 string methodName = request.MethodName;
193
194 responseString = ProcessXMLRPCMethod(methodName, request);
195 }
196 catch (Exception e)
197 {
198 Console.WriteLine(e.ToString());
199 }
200 return responseString;
201 }
202
203 public virtual void HandleRequest(Object stateinfo)
204 {
205 try
206 {
207 HttpListenerContext context = (HttpListenerContext)stateinfo;
208
209 HttpListenerRequest request = context.Request;
210 HttpListenerResponse response = context.Response;
211
212 response.KeepAlive = false;
213 response.SendChunked = false;
214
215 System.IO.Stream body = request.InputStream;
216 System.Text.Encoding encoding = System.Text.Encoding.UTF8;
217 System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding);
218
219 string requestBody = reader.ReadToEnd();
220 body.Close();
221 reader.Close();
222
223 //Console.WriteLine(request.HttpMethod + " " + request.RawUrl + " Http/" + request.ProtocolVersion.ToString() + " content type: " + request.ContentType);
224 //Console.WriteLine(requestBody);
225
226 string responseString = "";
227 // Console.WriteLine("new request " + request.ContentType +" at "+ request.RawUrl);
228 switch (request.ContentType)
229 {
230 case "text/xml":
231 // must be XML-RPC, so pass to the XML-RPC parser
232
233 responseString = ParseXMLRPC(requestBody);
234 responseString = Regex.Replace(responseString, "utf-16", "utf-8");
235
236 response.AddHeader("Content-type", "text/xml");
237 break;
238
239 case "application/xml":
240 // probably LLSD we hope, otherwise it should be ignored by the parser
241 // responseString = ParseLLSDXML(requestBody);
242 responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod);
243 response.AddHeader("Content-type", "application/xml");
244 break;
245
246 case "application/octet-stream":
247 // probably LLSD we hope, otherwise it should be ignored by the parser
248 // responseString = ParseLLSDXML(requestBody);
249 responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod);
250 response.AddHeader("Content-type", "application/xml");
251 break;
252
253 case "application/x-www-form-urlencoded":
254 // a form data POST so send to the REST parser
255 responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod);
256 response.AddHeader("Content-type", "text/html");
257 break;
258
259 case null:
260 // must be REST or invalid crap, so pass to the REST parser
261 responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod);
262 response.AddHeader("Content-type", "text/html");
263 break;
264
265 }
266
267 byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
268 System.IO.Stream output = response.OutputStream;
269 response.SendChunked = false;
270 response.ContentLength64 = buffer.Length;
271 output.Write(buffer, 0, buffer.Length);
272 output.Close();
273 }
274 catch (Exception e)
275 {
276 Console.WriteLine(e.ToString());
277 }
278 }
279
280 public void Start()
281 {
282 OpenSim.Framework.Console.MainLog.Instance.WriteLine(LogPriority.LOW, "BaseHttpServer.cs: Starting up HTTP Server");
283
284 m_workerThread = new Thread(new ThreadStart(StartHTTP));
285 m_workerThread.IsBackground = true;
286 m_workerThread.Start();
287 }
288
289 private void StartHTTP()
290 {
291 try
292 {
293 OpenSim.Framework.Console.MainLog.Instance.WriteLine(LogPriority.LOW, "BaseHttpServer.cs: StartHTTP() - Spawned main thread OK");
294 m_httpListener = new HttpListener();
295
296 m_httpListener.Prefixes.Add("http://+:" + m_port + "/");
297 m_httpListener.Start();
298
299 HttpListenerContext context;
300 while (true)
301 {
302 context = m_httpListener.GetContext();
303 ThreadPool.QueueUserWorkItem(new WaitCallback(HandleRequest), context);
304 }
305 }
306 catch (Exception e)
307 {
308 OpenSim.Framework.Console.MainLog.Instance.WriteLine(LogPriority.MEDIUM, e.Message);
309 }
310 }
311 }
312}
generated by cgit v1.1 at 2024-11-09 19:54:48 +0000