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-rw-r--r--OpenSim/Framework/Servers/RestSessionService.cs292
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diff --git a/OpenSim/Framework/Servers/RestSessionService.cs b/OpenSim/Framework/Servers/RestSessionService.cs
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--- a/OpenSim/Framework/Servers/RestSessionService.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.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 OpenSimulator 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.IO;
30using System.Net;
31using System.Reflection;
32using System.Text;
33using System.Xml;
34using System.Xml.Serialization;
35using log4net;
36using OpenSim.Framework.Servers.Interfaces;
37
38namespace OpenSim.Framework.Servers
39{
40 public class RestSessionObject<TRequest>
41 {
42 private string sid;
43 private string aid;
44 private TRequest request_body;
45
46 public string SessionID
47 {
48 get { return sid; }
49 set { sid = value; }
50 }
51
52 public string AvatarID
53 {
54 get { return aid; }
55 set { aid = value; }
56 }
57
58 public TRequest Body
59 {
60 get { return request_body; }
61 set { request_body = value; }
62 }
63 }
64
65 public class SynchronousRestSessionObjectPoster<TRequest, TResponse>
66 {
67 public static TResponse BeginPostObject(string verb, string requestUrl, TRequest obj, string sid, string aid)
68 {
69 RestSessionObject<TRequest> sobj = new RestSessionObject<TRequest>();
70 sobj.SessionID = sid;
71 sobj.AvatarID = aid;
72 sobj.Body = obj;
73
74 Type type = typeof(RestSessionObject<TRequest>);
75
76 WebRequest request = WebRequest.Create(requestUrl);
77 request.Method = verb;
78 request.ContentType = "text/xml";
79
80 MemoryStream buffer = new MemoryStream();
81
82 XmlWriterSettings settings = new XmlWriterSettings();
83 settings.Encoding = Encoding.UTF8;
84
85 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
86 {
87 XmlSerializer serializer = new XmlSerializer(type);
88 serializer.Serialize(writer, sobj);
89 writer.Flush();
90 }
91
92 int length = (int)buffer.Length;
93 request.ContentLength = length;
94
95 Stream requestStream = request.GetRequestStream();
96 requestStream.Write(buffer.ToArray(), 0, length);
97 TResponse deserial = default(TResponse);
98 using (WebResponse resp = request.GetResponse())
99 {
100 XmlSerializer deserializer = new XmlSerializer(typeof(TResponse));
101 deserial = (TResponse)deserializer.Deserialize(resp.GetResponseStream());
102 }
103 return deserial;
104 }
105 }
106
107 public class RestSessionObjectPosterResponse<TRequest, TResponse>
108 {
109 public ReturnResponse<TResponse> ResponseCallback;
110
111 public void BeginPostObject(string requestUrl, TRequest obj, string sid, string aid)
112 {
113 BeginPostObject("POST", requestUrl, obj, sid, aid);
114 }
115
116 public void BeginPostObject(string verb, string requestUrl, TRequest obj, string sid, string aid)
117 {
118 RestSessionObject<TRequest> sobj = new RestSessionObject<TRequest>();
119 sobj.SessionID = sid;
120 sobj.AvatarID = aid;
121 sobj.Body = obj;
122
123 Type type = typeof(RestSessionObject<TRequest>);
124
125 WebRequest request = WebRequest.Create(requestUrl);
126 request.Method = verb;
127 request.ContentType = "text/xml";
128 request.Timeout = 10000;
129
130 MemoryStream buffer = new MemoryStream();
131
132 XmlWriterSettings settings = new XmlWriterSettings();
133 settings.Encoding = Encoding.UTF8;
134
135 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
136 {
137 XmlSerializer serializer = new XmlSerializer(type);
138 serializer.Serialize(writer, sobj);
139 writer.Flush();
140 }
141
142 int length = (int)buffer.Length;
143 request.ContentLength = length;
144
145 Stream requestStream = request.GetRequestStream();
146 requestStream.Write(buffer.ToArray(), 0, length);
147 requestStream.Close();
148 // IAsyncResult result = request.BeginGetResponse(AsyncCallback, request);
149 request.BeginGetResponse(AsyncCallback, request);
150 }
151
152 private void AsyncCallback(IAsyncResult result)
153 {
154 WebRequest request = (WebRequest)result.AsyncState;
155 using (WebResponse resp = request.EndGetResponse(result))
156 {
157 TResponse deserial;
158 XmlSerializer deserializer = new XmlSerializer(typeof(TResponse));
159 Stream stream = resp.GetResponseStream();
160
161 // This is currently a bad debug stanza since it gobbles us the response...
162 // StreamReader reader = new StreamReader(stream);
163 // m_log.DebugFormat("[REST OBJECT POSTER RESPONSE]: Received {0}", reader.ReadToEnd());
164
165 deserial = (TResponse)deserializer.Deserialize(stream);
166
167 if (deserial != null && ResponseCallback != null)
168 {
169 ResponseCallback(deserial);
170 }
171 }
172 }
173 }
174
175 public delegate bool CheckIdentityMethod(string sid, string aid);
176
177 public class RestDeserialiseSecureHandler<TRequest, TResponse> : BaseRequestHandler, IStreamHandler
178 where TRequest : new()
179 {
180 private static readonly ILog m_log
181 = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
182
183 private RestDeserialiseMethod<TRequest, TResponse> m_method;
184 private CheckIdentityMethod m_smethod;
185
186 public RestDeserialiseSecureHandler(
187 string httpMethod, string path,
188 RestDeserialiseMethod<TRequest, TResponse> method, CheckIdentityMethod smethod)
189 : base(httpMethod, path)
190 {
191 m_smethod = smethod;
192 m_method = method;
193 }
194
195 public void Handle(string path, Stream request, Stream responseStream,
196 OSHttpRequest httpRequest, OSHttpResponse httpResponse)
197 {
198 RestSessionObject<TRequest> deserial = default(RestSessionObject<TRequest>);
199 bool fail = false;
200
201 using (XmlTextReader xmlReader = new XmlTextReader(request))
202 {
203 try
204 {
205 XmlSerializer deserializer = new XmlSerializer(typeof(RestSessionObject<TRequest>));
206 deserial = (RestSessionObject<TRequest>)deserializer.Deserialize(xmlReader);
207 }
208 catch (Exception e)
209 {
210 m_log.Error("[REST]: Deserialization problem. Ignoring request. " + e);
211 fail = true;
212 }
213 }
214
215 TResponse response = default(TResponse);
216 if (!fail && m_smethod(deserial.SessionID, deserial.AvatarID))
217 {
218 response = m_method(deserial.Body);
219 }
220
221 using (XmlWriter xmlWriter = XmlTextWriter.Create(responseStream))
222 {
223 XmlSerializer serializer = new XmlSerializer(typeof(TResponse));
224 serializer.Serialize(xmlWriter, response);
225 }
226 }
227 }
228
229 public delegate bool CheckTrustedSourceMethod(IPEndPoint peer);
230
231 public class RestDeserialiseTrustedHandler<TRequest, TResponse> : BaseRequestHandler, IStreamHandler
232 where TRequest : new()
233 {
234 private static readonly ILog m_log
235 = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
236
237 /// <summary>
238 /// The operation to perform once trust has been established.
239 /// </summary>
240 /// <param name="httpMethod"></param>
241 /// <param name="path"></param>
242 /// <param name="method"></param>
243 /// <param name="tmethod"></param>
244 private RestDeserialiseMethod<TRequest, TResponse> m_method;
245
246 /// <summary>
247 /// The method used to check whether a request is trusted.
248 /// </summary>
249 private CheckTrustedSourceMethod m_tmethod;
250
251 public RestDeserialiseTrustedHandler(string httpMethod, string path, RestDeserialiseMethod<TRequest, TResponse> method, CheckTrustedSourceMethod tmethod)
252 : base(httpMethod, path)
253 {
254 m_tmethod = tmethod;
255 m_method = method;
256 }
257
258 public void Handle(string path, Stream request, Stream responseStream,
259 OSHttpRequest httpRequest, OSHttpResponse httpResponse)
260 {
261 TRequest deserial = default(TRequest);
262 bool fail = false;
263
264 using (XmlTextReader xmlReader = new XmlTextReader(request))
265 {
266 try
267 {
268 XmlSerializer deserializer = new XmlSerializer(typeof(TRequest));
269 deserial = (TRequest)deserializer.Deserialize(xmlReader);
270 }
271 catch (Exception e)
272 {
273 m_log.Error("[REST]: Deserialization problem. Ignoring request. " + e);
274 fail = true;
275 }
276 }
277
278 TResponse response = default(TResponse);
279 if (!fail && m_tmethod(httpRequest.RemoteIPEndPoint))
280 {
281 response = m_method(deserial);
282 }
283
284 using (XmlWriter xmlWriter = XmlTextWriter.Create(responseStream))
285 {
286 XmlSerializer serializer = new XmlSerializer(typeof(TResponse));
287 serializer.Serialize(xmlWriter, response);
288 }
289 }
290 }
291
292}
generated by cgit v1.1 at 2024-07-15 22:22:33 +0000