File: SoapServerFormatterSink.cs

package info (click to toggle)
mono 4.6.2.7+dfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 778,148 kB
  • ctags: 914,052
  • sloc: cs: 5,779,509; xml: 2,773,713; ansic: 432,645; sh: 14,749; makefile: 12,361; perl: 2,488; python: 1,434; cpp: 849; asm: 531; sql: 95; sed: 16; php: 1
file content (217 lines) | stat: -rw-r--r-- 7,270 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
//
// System.Runtime.Remoting.Channels.SoapServerFormatterSink.cs
//
// Authors: 	Duncan Mak (duncan@ximian.com)
// 		Jean-Marc Andre (jean-marc.andre@polymtl.ca)
//
// 2002 (C) Copyright, Ximian, Inc.
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System.Collections;
using System.IO;
using System.Reflection;
using System.Runtime.Remoting.Messaging;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters;
using System.Runtime.Serialization.Formatters.Soap;
using System.Runtime.InteropServices;


namespace System.Runtime.Remoting.Channels {

	/// <summary>
	//	The formatter sink that uses SoapFormatter
	/// </summary>
	// <remarks>
	// 	The formatter sink deserializes the message from the channel sink
	// 	and passes the result to the remoting infrastructure
	// </remark>
	// 	
	public class SoapServerFormatterSink : IServerChannelSink, IChannelSinkBase
	{
		IServerChannelSink next_sink;
		IChannelReceiver _receiver;
		private SoapCore _soapCore = SoapCore.DefaultInstance;
		
		public SoapServerFormatterSink (SoapServerFormatterSink.Protocol protocol,
						IServerChannelSink nextSink,
						IChannelReceiver receiver)
		{
			this.next_sink = nextSink;
			_receiver = receiver;
		}

		internal SoapCore SoapCore
		{
			get { return _soapCore; }
			set { _soapCore = value; }
		}
		
		/// <summary>
		//	Gets the next channel sink in the channel sink chain
		//  </summary>
		/// <value>
		//	The next channel sink in the sink chain
		//  </value>
		public IServerChannelSink NextChannelSink {
			get {
				return next_sink;
			}
		}

		public IDictionary Properties {
			get {
				return null;
			}
		}

		[ComVisible(false)]
		public TypeFilterLevel TypeFilterLevel
		{
			get { return _soapCore.TypeFilterLevel; }
			set 
			{
				IDictionary props = (IDictionary) ((ICloneable)_soapCore.Properties).Clone ();
				props ["typeFilterLevel"] = value;
				_soapCore = new SoapCore (this, props, SoapServerFormatterSinkProvider.AllowedProperties);
			}
		}

		public void AsyncProcessResponse (IServerResponseChannelSinkStack sinkStack, object state,
						  IMessage msg, ITransportHeaders headers, Stream stream)
						  
		{
			ITransportHeaders responseHeaders = new TransportHeaders();

			if(sinkStack != null) stream = sinkStack.GetResponseStream(msg, responseHeaders);
			if(stream == null) stream = new MemoryStream();

			SoapMessageFormatter soapMsgFormatter = (SoapMessageFormatter)state;

			SoapMessage soapMessage = (SoapMessage) soapMsgFormatter.BuildSoapMessageFromMethodResponse((IMethodReturnMessage)msg, out responseHeaders);

			_soapCore.Serializer.Serialize(stream, soapMessage, null);

			if(stream is MemoryStream) stream.Position = 0;
			sinkStack.AsyncProcessResponse (msg, responseHeaders, stream);
		}

		public Stream GetResponseStream (IServerResponseChannelSinkStack sinkStack, object state,
						IMessage msg, ITransportHeaders headers)
		{
			// this method shouldn't be called
			throw new NotSupportedException ();
		}
		
		public ServerProcessing ProcessMessage (IServerChannelSinkStack sinkStack,
							IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream,
							out IMessage responseMsg, out ITransportHeaders responseHeaders, out Stream responseStream)
		{
			// Check whether the request was already processed by another
			// formatter sink and pass the request to the next sink if so.
			if (requestMsg != null)
				return next_sink.ProcessMessage (sinkStack,
								 requestMsg,
								 requestHeaders,
								 requestStream,
								 out responseMsg,
								 out responseHeaders,
								 out responseStream);

			// Check whether the request is suitable for this formatter
			// and pass the request to the next sink if not.
			// Note that a null content-type is handled as suitable,
			// otherwise no other sink will be able to handle the request.
			string contentType = requestHeaders["Content-Type"] as string;
			if (contentType == null || !contentType.StartsWith ("text/xml") || requestHeaders["SOAPAction"] == null) {
				return next_sink.ProcessMessage (sinkStack,
					requestMsg,
					requestHeaders,
					requestStream,
					out responseMsg,
					out responseHeaders,
					out responseStream);
			}

			responseMsg = null;
			responseHeaders = null;
			responseStream = null;

			ServerProcessing sp;
			SoapMessageFormatter soapMsgFormatter = new SoapMessageFormatter();
			sinkStack.Push(this, soapMsgFormatter);

			try {
				string url = (string)requestHeaders[CommonTransportKeys.RequestUri];
				string uri;
				_receiver.Parse(url, out uri);
				if(uri == null)	uri = url;
				Type serverType = RemotingServices.GetServerTypeForUri(uri);
				if (serverType == null) throw new RemotingException ("No receiver for uri " + uri);
			
				SoapFormatter fm = _soapCore.GetSafeDeserializer ();
				SoapMessage soapMessage = soapMsgFormatter.CreateSoapMessage (true);
				fm.TopObject = soapMessage;
				fm.Deserialize(requestStream);

				requestMsg = soapMsgFormatter.BuildMethodCallFromSoapMessage(soapMessage, uri);
				
				sp = next_sink.ProcessMessage(sinkStack, requestMsg, requestHeaders, null, out responseMsg, out responseHeaders, out responseStream);
				
				if(sp == ServerProcessing.Complete) {
					if(responseMsg != null && responseStream == null) {

						object rtnMessageObject = soapMsgFormatter.BuildSoapMessageFromMethodResponse((IMethodReturnMessage) responseMsg, out responseHeaders);
						responseStream = new MemoryStream();
						_soapCore.Serializer.Serialize(responseStream, rtnMessageObject);
						responseStream.Position = 0;
					}
				}
			}
			catch(Exception e)
			{
				responseMsg = (IMethodReturnMessage)new ReturnMessage(e, (IMethodCallMessage)requestMsg);
				object rtnMessageObject = soapMsgFormatter.BuildSoapMessageFromMethodResponse((IMethodReturnMessage) responseMsg, out responseHeaders);
				responseStream = new MemoryStream();
				_soapCore.Serializer.Serialize(responseStream, rtnMessageObject);
				responseStream.Position = 0;
				sp = ServerProcessing.Complete;
			}

			if (sp == ServerProcessing.Complete)
				sinkStack.Pop(this);

			return sp;
			
		}

		[Serializable]
		public enum Protocol
		{
			Http = 0,
			Other = 1,
		}
	}

}