diff options
Diffstat (limited to 'OpenSim.Servers/BaseHttpServer.cs')
-rw-r--r-- | OpenSim.Servers/BaseHttpServer.cs | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/OpenSim.Servers/BaseHttpServer.cs b/OpenSim.Servers/BaseHttpServer.cs new file mode 100644 index 0000000..2f73f46 --- /dev/null +++ b/OpenSim.Servers/BaseHttpServer.cs | |||
@@ -0,0 +1,224 @@ | |||
1 | using System; | ||
2 | using System.Collections.Generic; | ||
3 | using System.Net; | ||
4 | using System.Text; | ||
5 | using System.Text.RegularExpressions; | ||
6 | using System.Threading; | ||
7 | //using OpenSim.CAPS; | ||
8 | using Nwc.XmlRpc; | ||
9 | using System.Collections; | ||
10 | |||
11 | namespace OpenSim.Servers | ||
12 | { | ||
13 | public class BaseHttpServer | ||
14 | { | ||
15 | protected Thread m_workerThread; | ||
16 | protected HttpListener m_httpListener; | ||
17 | protected Dictionary<string, RestMethod> m_restHandlers = new Dictionary<string, RestMethod>(); | ||
18 | protected Dictionary<string, XmlRpcMethod> m_rpcHandlers = new Dictionary<string, XmlRpcMethod>(); | ||
19 | protected int m_port; | ||
20 | |||
21 | public BaseHttpServer(int port) | ||
22 | { | ||
23 | m_port = port; | ||
24 | } | ||
25 | |||
26 | public bool AddRestHandler(string method, string path, RestMethod handler) | ||
27 | { | ||
28 | string methodKey = String.Format("{0}: {1}", method, path); | ||
29 | |||
30 | if (!this.m_restHandlers.ContainsKey(methodKey)) | ||
31 | { | ||
32 | this.m_restHandlers.Add(methodKey, handler); | ||
33 | return true; | ||
34 | } | ||
35 | |||
36 | //must already have a handler for that path so return false | ||
37 | return false; | ||
38 | } | ||
39 | |||
40 | public bool AddXmlRPCHandler(string method, XmlRpcMethod handler) | ||
41 | { | ||
42 | if (!this.m_rpcHandlers.ContainsKey(method)) | ||
43 | { | ||
44 | this.m_rpcHandlers.Add(method, handler); | ||
45 | return true; | ||
46 | } | ||
47 | |||
48 | //must already have a handler for that path so return false | ||
49 | return false; | ||
50 | } | ||
51 | |||
52 | protected virtual string ProcessXMLRPCMethod(string methodName, XmlRpcRequest request) | ||
53 | { | ||
54 | XmlRpcResponse response; | ||
55 | |||
56 | XmlRpcMethod method; | ||
57 | if( this.m_rpcHandlers.TryGetValue( methodName, out method ) ) | ||
58 | { | ||
59 | response = method(request); | ||
60 | } | ||
61 | else | ||
62 | { | ||
63 | response = new XmlRpcResponse(); | ||
64 | Hashtable unknownMethodError = new Hashtable(); | ||
65 | unknownMethodError["reason"] = "XmlRequest"; ; | ||
66 | unknownMethodError["message"] = "Unknown Rpc request"; | ||
67 | unknownMethodError["login"] = "false"; | ||
68 | response.Value = unknownMethodError; | ||
69 | } | ||
70 | |||
71 | return XmlRpcResponseSerializer.Singleton.Serialize(response); | ||
72 | } | ||
73 | |||
74 | protected virtual string ParseREST(string request, string path, string method) | ||
75 | { | ||
76 | string response; | ||
77 | RestMethod handler; | ||
78 | |||
79 | string requestKey = String.Format("{0}: {1}", method, path); | ||
80 | |||
81 | string bestMatch = String.Empty; | ||
82 | foreach( string currentKey in m_restHandlers.Keys ) | ||
83 | { | ||
84 | if( requestKey.StartsWith( currentKey )) | ||
85 | { | ||
86 | if(currentKey.Length > bestMatch.Length ) | ||
87 | { | ||
88 | bestMatch = currentKey; | ||
89 | } | ||
90 | } | ||
91 | } | ||
92 | |||
93 | if (m_restHandlers.TryGetValue(bestMatch, out handler)) | ||
94 | { | ||
95 | response = handler(request, path); | ||
96 | |||
97 | } | ||
98 | else | ||
99 | { | ||
100 | response = String.Empty; | ||
101 | } | ||
102 | |||
103 | return response; | ||
104 | } | ||
105 | |||
106 | protected virtual string ParseLLSDXML(string requestBody) | ||
107 | { | ||
108 | // dummy function for now - IMPLEMENT ME! | ||
109 | return ""; | ||
110 | } | ||
111 | |||
112 | protected virtual string ParseXMLRPC(string requestBody) | ||
113 | { | ||
114 | string responseString = String.Empty; | ||
115 | |||
116 | try | ||
117 | { | ||
118 | XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody); | ||
119 | |||
120 | string methodName = request.MethodName; | ||
121 | |||
122 | responseString = ProcessXMLRPCMethod(methodName, request ); | ||
123 | } | ||
124 | catch (Exception e) | ||
125 | { | ||
126 | Console.WriteLine(e.ToString()); | ||
127 | } | ||
128 | return responseString; | ||
129 | } | ||
130 | |||
131 | public virtual void HandleRequest(Object stateinfo) | ||
132 | { | ||
133 | HttpListenerContext context = (HttpListenerContext)stateinfo; | ||
134 | |||
135 | HttpListenerRequest request = context.Request; | ||
136 | HttpListenerResponse response = context.Response; | ||
137 | |||
138 | response.KeepAlive = false; | ||
139 | response.SendChunked = false; | ||
140 | |||
141 | System.IO.Stream body = request.InputStream; | ||
142 | System.Text.Encoding encoding = System.Text.Encoding.UTF8; | ||
143 | System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding); | ||
144 | |||
145 | string requestBody = reader.ReadToEnd(); | ||
146 | body.Close(); | ||
147 | reader.Close(); | ||
148 | |||
149 | //Console.WriteLine(request.HttpMethod + " " + request.RawUrl + " Http/" + request.ProtocolVersion.ToString() + " content type: " + request.ContentType); | ||
150 | //Console.WriteLine(requestBody); | ||
151 | |||
152 | string responseString = ""; | ||
153 | switch (request.ContentType) | ||
154 | { | ||
155 | case "text/xml": | ||
156 | // must be XML-RPC, so pass to the XML-RPC parser | ||
157 | |||
158 | responseString = ParseXMLRPC(requestBody); | ||
159 | responseString = Regex.Replace(responseString, "utf-16", "utf-8"); | ||
160 | |||
161 | response.AddHeader("Content-type", "text/xml"); | ||
162 | break; | ||
163 | |||
164 | case "application/xml": | ||
165 | // probably LLSD we hope, otherwise it should be ignored by the parser | ||
166 | responseString = ParseLLSDXML(requestBody); | ||
167 | response.AddHeader("Content-type", "application/xml"); | ||
168 | break; | ||
169 | |||
170 | case "application/x-www-form-urlencoded": | ||
171 | // a form data POST so send to the REST parser | ||
172 | responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod); | ||
173 | response.AddHeader("Content-type", "text/html"); | ||
174 | break; | ||
175 | |||
176 | case null: | ||
177 | // must be REST or invalid crap, so pass to the REST parser | ||
178 | responseString = ParseREST(requestBody, request.RawUrl, request.HttpMethod); | ||
179 | response.AddHeader("Content-type", "text/html"); | ||
180 | break; | ||
181 | |||
182 | } | ||
183 | |||
184 | byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString); | ||
185 | System.IO.Stream output = response.OutputStream; | ||
186 | response.SendChunked = false; | ||
187 | response.ContentLength64 = buffer.Length; | ||
188 | output.Write(buffer, 0, buffer.Length); | ||
189 | output.Close(); | ||
190 | } | ||
191 | |||
192 | public void Start() | ||
193 | { | ||
194 | OpenSim.Framework.Console.MainConsole.Instance.WriteLine("BaseHttpServer.cs: Starting up HTTP Server"); | ||
195 | |||
196 | m_workerThread = new Thread(new ThreadStart(StartHTTP)); | ||
197 | m_workerThread.IsBackground = true; | ||
198 | m_workerThread.Start(); | ||
199 | } | ||
200 | |||
201 | private void StartHTTP() | ||
202 | { | ||
203 | try | ||
204 | { | ||
205 | OpenSim.Framework.Console.MainConsole.Instance.WriteLine("BaseHttpServer.cs: StartHTTP() - Spawned main thread OK"); | ||
206 | m_httpListener = new HttpListener(); | ||
207 | |||
208 | m_httpListener.Prefixes.Add("http://+:" + m_port + "/"); | ||
209 | m_httpListener.Start(); | ||
210 | |||
211 | HttpListenerContext context; | ||
212 | while (true) | ||
213 | { | ||
214 | context = m_httpListener.GetContext(); | ||
215 | ThreadPool.QueueUserWorkItem(new WaitCallback(HandleRequest), context); | ||
216 | } | ||
217 | } | ||
218 | catch (Exception e) | ||
219 | { | ||
220 | OpenSim.Framework.Console.MainConsole.Instance.WriteLine(e.Message); | ||
221 | } | ||
222 | } | ||
223 | } | ||
224 | } | ||