summaryrefslogtreecommitdiffstats
blob: e0fbce784885a18b10ca270da92ca7354538d50e (plain)
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
#include "Swiften/Session/BasicSessionStream.h"

#include <boost/bind.hpp>

#include "Swiften/StreamStack/XMPPLayer.h"
#include "Swiften/StreamStack/StreamStack.h"
#include "Swiften/StreamStack/ConnectionLayer.h"
#include "Swiften/StreamStack/WhitespacePingLayer.h"
#include "Swiften/StreamStack/TLSLayer.h"
#include "Swiften/StreamStack/TLSLayerFactory.h"

namespace Swift {

BasicSessionStream::BasicSessionStream(boost::shared_ptr<Connection> connection, PayloadParserFactoryCollection* payloadParserFactories, PayloadSerializerCollection* payloadSerializers, TLSLayerFactory* tlsLayerFactory) : available(false), connection(connection), payloadParserFactories(payloadParserFactories), payloadSerializers(payloadSerializers), tlsLayerFactory(tlsLayerFactory) {
}

void BasicSessionStream::initialize() {
	xmppLayer = boost::shared_ptr<XMPPLayer>(
			new XMPPLayer(payloadParserFactories, payloadSerializers));
	xmppLayer->onStreamStart.connect(boost::bind(&BasicSessionStream::handleStreamStartReceived, shared_from_this(), _1));
	xmppLayer->onElement.connect(boost::bind(&BasicSessionStream::handleElementReceived, shared_from_this(), _1));
	xmppLayer->onError.connect(boost::bind(
      &BasicSessionStream::handleXMPPError, shared_from_this()));
  xmppLayer->onDataRead.connect(boost::bind(&BasicSessionStream::handleDataRead, shared_from_this(), _1));
  xmppLayer->onWriteData.connect(boost::bind(&BasicSessionStream::handleDataWritten, shared_from_this(), _1));

	connection->onDisconnected.connect(boost::bind(&BasicSessionStream::handleConnectionError, shared_from_this(), _1));
	connectionLayer = boost::shared_ptr<ConnectionLayer>(
      new ConnectionLayer(connection));

	streamStack = new StreamStack(xmppLayer, connectionLayer);

	available = true;
}

BasicSessionStream::~BasicSessionStream() {
  delete streamStack;
}

void BasicSessionStream::writeHeader(const ProtocolHeader& header) {
	assert(available);
	xmppLayer->writeHeader(header);
}

void BasicSessionStream::writeElement(boost::shared_ptr<Element> element) {
	assert(available);
	xmppLayer->writeElement(element);
}

void BasicSessionStream::writeFooter() {
	assert(available);
	xmppLayer->writeFooter();
}

bool BasicSessionStream::isAvailable() {
	return available;
}

bool BasicSessionStream::supportsTLSEncryption() {
  return tlsLayerFactory && tlsLayerFactory->canCreate();
}

void BasicSessionStream::addTLSEncryption() {
	assert(available);
	tlsLayer = tlsLayerFactory->createTLSLayer();
	if (hasTLSCertificate() && !tlsLayer->setClientCertificate(getTLSCertificate())) {
		onError(boost::shared_ptr<Error>(new Error(Error::InvalidTLSCertificateError)));
	}
	else {
		streamStack->addLayer(tlsLayer);
		tlsLayer->onError.connect(boost::bind(&BasicSessionStream::handleTLSError, shared_from_this()));
		tlsLayer->onConnected.connect(boost::bind(&BasicSessionStream::handleTLSConnected, shared_from_this()));
		tlsLayer->connect();
	}
}

void BasicSessionStream::setWhitespacePingEnabled(bool enabled) {
	if (enabled) {
		if (!whitespacePingLayer) {
			whitespacePingLayer = boost::shared_ptr<WhitespacePingLayer>(new WhitespacePingLayer());
			streamStack->addLayer(whitespacePingLayer);
		}
		whitespacePingLayer->setActive();
	}
	else if (whitespacePingLayer) {
		whitespacePingLayer->setInactive();
	}
}

void BasicSessionStream::resetXMPPParser() {
  xmppLayer->resetParser();
}

void BasicSessionStream::handleStreamStartReceived(const ProtocolHeader& header) {
	onStreamStartReceived(header);
}

void BasicSessionStream::handleElementReceived(boost::shared_ptr<Element> element) {
	onElementReceived(element);
}

void BasicSessionStream::handleXMPPError() {
	available = false;
	onError(boost::shared_ptr<Error>(new Error(Error::ParseError)));
}

void BasicSessionStream::handleTLSConnected() {
	onTLSEncrypted();
}

void BasicSessionStream::handleTLSError() {
	available = false;
	onError(boost::shared_ptr<Error>(new Error(Error::TLSError)));
}

void BasicSessionStream::handleConnectionError(const boost::optional<Connection::Error>& error) {
	available = false;
	if (error == Connection::ReadError) {
		onError(boost::shared_ptr<Error>(new Error(Error::ConnectionReadError)));
	}
	else {
		onError(boost::shared_ptr<Error>(new Error(Error::ConnectionWriteError)));
	}
}

void BasicSessionStream::handleDataRead(const ByteArray& data) {
	onDataRead(String(data.getData(), data.getSize()));
}

void BasicSessionStream::handleDataWritten(const ByteArray& data) {
	onDataWritten(String(data.getData(), data.getSize()));
}

};