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
|
/*
* Copyright (c) 2011 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Session/BOSHSessionStream.h>
#include <boost/bind.hpp>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/random/variate_generator.hpp>
#include <Swiften/Base/foreach.h>
#include <Swiften/Elements/StreamType.h>
#include <Swiften/StreamStack/XMPPLayer.h>
#include <Swiften/StreamStack/StreamStack.h>
#include <Swiften/StreamStack/ConnectionLayer.h>
#include <Swiften/StreamStack/WhitespacePingLayer.h>
#include <Swiften/StreamStack/CompressionLayer.h>
#include <Swiften/StreamStack/TLSLayer.h>
#include <Swiften/TLS/TLSContextFactory.h>
#include <Swiften/TLS/TLSContext.h>
#include <Swiften/EventLoop/EventLoop.h>
namespace Swift {
BOSHSessionStream::BOSHSessionStream(
boost::shared_ptr<BOSHConnectionFactory> connectionFactory, /*FIXME: probably rip out*/
PayloadParserFactoryCollection* payloadParserFactories,
PayloadSerializerCollection* payloadSerializers,
TLSContextFactory* tlsContextFactory,
TimerFactory* timerFactory,
XMLParserFactory* xmlParserFactory,
EventLoop* eventLoop,
const std::string& to,
const URL& boshHTTPConnectProxyURL,
const SafeString& boshHTTPConnectProxyAuthID,
const SafeString& boshHTTPConnectProxyAuthPassword) :
available(false),
payloadParserFactories(payloadParserFactories),
payloadSerializers(payloadSerializers),
tlsContextFactory(tlsContextFactory),
timerFactory(timerFactory),
xmlParserFactory(xmlParserFactory),
eventLoop(eventLoop),
firstHeader(true) {
boost::mt19937 random;
boost::uniform_int<> dist(0, LONG_MAX);
random.seed(time(NULL));
boost::variate_generator<boost::mt19937&, boost::uniform_int<> > randomRID(random, dist);
long initialRID = randomRID();
connectionPool = new BOSHConnectionPool(connectionFactory, to, initialRID, boshHTTPConnectProxyURL, boshHTTPConnectProxyAuthID, boshHTTPConnectProxyAuthPassword);
connectionPool->onSessionTerminated.connect(boost::bind(&BOSHSessionStream::handlePoolSessionTerminated, this, _1));
connectionPool->onSessionStarted.connect(boost::bind(&BOSHSessionStream::handlePoolSessionStarted, this));
connectionPool->onXMPPDataRead.connect(boost::bind(&BOSHSessionStream::handlePoolXMPPDataRead, this, _1));
connectionPool->onBOSHDataRead.connect(boost::bind(&BOSHSessionStream::handlePoolBOSHDataRead, this, _1));
connectionPool->onBOSHDataWritten.connect(boost::bind(&BOSHSessionStream::handlePoolBOSHDataWritten, this, _1));
xmppLayer = new XMPPLayer(payloadParserFactories, payloadSerializers, xmlParserFactory, ClientStreamType);
xmppLayer->onStreamStart.connect(boost::bind(&BOSHSessionStream::handleStreamStartReceived, this, _1));
xmppLayer->onElement.connect(boost::bind(&BOSHSessionStream::handleElementReceived, this, _1));
xmppLayer->onError.connect(boost::bind(&BOSHSessionStream::handleXMPPError, this));
xmppLayer->onWriteData.connect(boost::bind(&BOSHSessionStream::handleXMPPLayerDataWritten, this, _1));
available = true;
}
BOSHSessionStream::~BOSHSessionStream() {
close();
connectionPool->onSessionTerminated.disconnect(boost::bind(&BOSHSessionStream::handlePoolSessionTerminated, this, _1));
connectionPool->onSessionStarted.disconnect(boost::bind(&BOSHSessionStream::handlePoolSessionStarted, this));
connectionPool->onXMPPDataRead.disconnect(boost::bind(&BOSHSessionStream::handlePoolXMPPDataRead, this, _1));
connectionPool->onBOSHDataRead.disconnect(boost::bind(&BOSHSessionStream::handlePoolBOSHDataRead, this, _1));
connectionPool->onBOSHDataWritten.disconnect(boost::bind(&BOSHSessionStream::handlePoolBOSHDataWritten, this, _1));
delete connectionPool;
connectionPool = NULL;
xmppLayer->onStreamStart.disconnect(boost::bind(&BOSHSessionStream::handleStreamStartReceived, this, _1));
xmppLayer->onElement.disconnect(boost::bind(&BOSHSessionStream::handleElementReceived, this, _1));
xmppLayer->onError.disconnect(boost::bind(&BOSHSessionStream::handleXMPPError, this));
xmppLayer->onWriteData.disconnect(boost::bind(&BOSHSessionStream::handleXMPPLayerDataWritten, this, _1));
delete xmppLayer;
xmppLayer = NULL;
}
void BOSHSessionStream::handlePoolXMPPDataRead(const SafeByteArray& data) {
xmppLayer->handleDataRead(data);
}
void BOSHSessionStream::writeElement(boost::shared_ptr<Element> element) {
assert(available);
xmppLayer->writeElement(element);
}
void BOSHSessionStream::writeFooter() {
connectionPool->writeFooter();
}
void BOSHSessionStream::writeData(const std::string& data) {
assert(available);
xmppLayer->writeData(data);
}
void BOSHSessionStream::close() {
connectionPool->close();
}
bool BOSHSessionStream::isOpen() {
return available;
}
bool BOSHSessionStream::supportsTLSEncryption() {
return false;
}
void BOSHSessionStream::addTLSEncryption() {
assert(available);
}
bool BOSHSessionStream::isTLSEncrypted() {
return false;
}
Certificate::ref BOSHSessionStream::getPeerCertificate() const {
return Certificate::ref();
}
boost::shared_ptr<CertificateVerificationError> BOSHSessionStream::getPeerCertificateVerificationError() const {
return boost::shared_ptr<CertificateVerificationError>();
}
ByteArray BOSHSessionStream::getTLSFinishMessage() const {
return ByteArray();
}
bool BOSHSessionStream::supportsZLibCompression() {
return false;
}
void BOSHSessionStream::addZLibCompression() {
}
void BOSHSessionStream::setWhitespacePingEnabled(bool /*enabled*/) {
return;
}
void BOSHSessionStream::resetXMPPParser() {
xmppLayer->resetParser();
}
void BOSHSessionStream::handleStreamStartReceived(const ProtocolHeader& header) {
onStreamStartReceived(header);
}
void BOSHSessionStream::handleElementReceived(boost::shared_ptr<Element> element) {
onElementReceived(element);
}
void BOSHSessionStream::handleXMPPError() {
available = false;
onClosed(boost::shared_ptr<Error>(new Error(Error::ParseError)));
}
void BOSHSessionStream::handlePoolSessionStarted() {
fakeStreamHeaderReceipt();
}
void BOSHSessionStream::handlePoolSessionTerminated(BOSHError::ref error) {
eventLoop->postEvent(boost::bind(&BOSHSessionStream::fakeStreamFooterReceipt, this, error), shared_from_this());
}
void BOSHSessionStream::writeHeader(const ProtocolHeader& header) {
streamHeader = header;
/*First time we're told to do this, don't (the sending of the initial header is handled on connect)
On subsequent requests we should restart the stream the BOSH way.
*/
if (!firstHeader) {
eventLoop->postEvent(boost::bind(&BOSHSessionStream::fakeStreamHeaderReceipt, this), shared_from_this());
eventLoop->postEvent(boost::bind(&BOSHConnectionPool::restartStream, connectionPool), shared_from_this());
}
firstHeader = false;
}
void BOSHSessionStream::fakeStreamHeaderReceipt() {
std::stringstream header;
header << "<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' from='";
header << streamHeader.getTo() << "' id='dummy' version='1.0'>";
xmppLayer->handleDataRead(createSafeByteArray(header.str()));
}
void BOSHSessionStream::fakeStreamFooterReceipt(BOSHError::ref error) {
std::string footer("</stream:stream>");
xmppLayer->handleDataRead(createSafeByteArray(footer));
onClosed(error);
}
void BOSHSessionStream::handleXMPPLayerDataWritten(const SafeByteArray& data) {
eventLoop->postEvent(boost::bind(&BOSHConnectionPool::write, connectionPool, data), shared_from_this());
}
void BOSHSessionStream::handlePoolBOSHDataRead(const SafeByteArray& data) {
onDataRead(data);
}
void BOSHSessionStream::handlePoolBOSHDataWritten(const SafeByteArray& data) {
onDataWritten(data);
}
};
|
Swift