diff options
Diffstat (limited to 'Swiften/Session')
-rw-r--r-- | Swiften/Session/BasicSessionStream.cpp | 89 | ||||
-rw-r--r-- | Swiften/Session/BasicSessionStream.h | 22 | ||||
-rw-r--r-- | Swiften/Session/SessionStream.h | 43 |
3 files changed, 133 insertions, 21 deletions
diff --git a/Swiften/Session/BasicSessionStream.cpp b/Swiften/Session/BasicSessionStream.cpp index 46d4e16..8b14367 100644 --- a/Swiften/Session/BasicSessionStream.cpp +++ b/Swiften/Session/BasicSessionStream.cpp @@ -1,5 +1,3 @@ -// TODO: whitespacePingLayer_->setInactive(); - #include "Swiften/Session/BasicSessionStream.h" #include <boost/bind.hpp> @@ -13,18 +11,26 @@ namespace Swift { -BasicSessionStream::BasicSessionStream(boost::shared_ptr<Connection> connection, PayloadParserFactoryCollection* payloadParserFactories, PayloadSerializerCollection* payloadSerializers, TLSLayerFactory* tlsLayerFactory) : tlsLayerFactory(tlsLayerFactory) { +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::ref(onStreamStartReceived)); - xmppLayer->onElement.connect(boost::ref(onElementReceived)); + 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, this)); + &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() { @@ -32,41 +38,92 @@ BasicSessionStream::~BasicSessionStream() { } 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(); - streamStack->addLayer(tlsLayer); - // TODO: Add tls layer certificate if needed - tlsLayer->onError.connect(boost::bind(&BasicSessionStream::handleTLSError, this)); - tlsLayer->connect(); + 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::addWhitespacePing() { - whitespacePingLayer = boost::shared_ptr<WhitespacePingLayer>(new WhitespacePingLayer()); - streamStack->addLayer(whitespacePingLayer); - whitespacePingLayer->setActive(); +void BasicSessionStream::setWhitespacePingEnabled(bool enabled) { + if (enabled && !whitespacePingLayer) { + whitespacePingLayer = boost::shared_ptr<WhitespacePingLayer>(new WhitespacePingLayer()); + streamStack->addLayer(whitespacePingLayer); + } + if (enabled) { + whitespacePingLayer->setActive(); + } + else { + 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() { - // TODO + available = false; + onError(boost::shared_ptr<Error>(new Error(Error::ParseError))); +} + +void BasicSessionStream::handleTLSConnected() { + onTLSEncrypted(); } void BasicSessionStream::handleTLSError() { - // TODO + available = false; + onError(boost::shared_ptr<Error>(new Error(Error::TLSError))); +} + +void BasicSessionStream::handleConnectionError(const boost::optional<Connection::Error>&) { + available = false; + onError(boost::shared_ptr<Error>(new Error(Error::ConnectionError))); +} + +void BasicSessionStream::handleDataRead(const ByteArray& data) { + onDataRead(String(data.getData(), data.getSize())); +} + +void BasicSessionStream::handleDataWritten(const ByteArray& data) { + onDataWritten(String(data.getData(), data.getSize())); } }; diff --git a/Swiften/Session/BasicSessionStream.h b/Swiften/Session/BasicSessionStream.h index bf92bbb..0cb50eb 100644 --- a/Swiften/Session/BasicSessionStream.h +++ b/Swiften/Session/BasicSessionStream.h @@ -1,6 +1,7 @@ #pragma once #include <boost/shared_ptr.hpp> +#include <boost/enable_shared_from_this.hpp> #include "Swiften/Network/Connection.h" #include "Swiften/Session/SessionStream.h" @@ -17,7 +18,7 @@ namespace Swift { class BasicSessionStream : public SessionStream, - public boost::BOOST_SIGNALS_NAMESPACE::trackable { + public boost::enable_shared_from_this<BasicSessionStream> { public: BasicSessionStream( boost::shared_ptr<Connection> connection, @@ -27,25 +28,40 @@ namespace Swift { ); ~BasicSessionStream(); + void initialize(); + + virtual bool isAvailable(); + virtual void writeHeader(const ProtocolHeader& header); virtual void writeElement(boost::shared_ptr<Element>); + virtual void writeFooter(); virtual bool supportsTLSEncryption(); virtual void addTLSEncryption(); - virtual void addWhitespacePing(); + virtual void setWhitespacePingEnabled(bool); virtual void resetXMPPParser(); private: + void handleConnectionError(const boost::optional<Connection::Error>& error); void handleXMPPError(); + void handleTLSConnected(); void handleTLSError(); + void handleStreamStartReceived(const ProtocolHeader&); + void handleElementReceived(boost::shared_ptr<Element>); + void handleDataRead(const ByteArray& data); + void handleDataWritten(const ByteArray& data); private: + bool available; + boost::shared_ptr<Connection> connection; + PayloadParserFactoryCollection* payloadParserFactories; + PayloadSerializerCollection* payloadSerializers; + TLSLayerFactory* tlsLayerFactory; boost::shared_ptr<XMPPLayer> xmppLayer; boost::shared_ptr<ConnectionLayer> connectionLayer; StreamStack* streamStack; - TLSLayerFactory* tlsLayerFactory; boost::shared_ptr<TLSLayer> tlsLayer; boost::shared_ptr<WhitespacePingLayer> whitespacePingLayer; }; diff --git a/Swiften/Session/SessionStream.h b/Swiften/Session/SessionStream.h index 17d9a24..6bba237 100644 --- a/Swiften/Session/SessionStream.h +++ b/Swiften/Session/SessionStream.h @@ -5,23 +5,62 @@ #include "Swiften/Elements/ProtocolHeader.h" #include "Swiften/Elements/Element.h" +#include "Swiften/Base/Error.h" +#include "Swiften/TLS/PKCS12Certificate.h" namespace Swift { class SessionStream { public: + class Error : public Swift::Error { + public: + enum Type { + ParseError, + TLSError, + InvalidTLSCertificateError, + ConnectionError + }; + + Error(Type type) : type(type) {} + + Type type; + }; + virtual ~SessionStream(); + virtual bool isAvailable() = 0; + virtual void writeHeader(const ProtocolHeader& header) = 0; + virtual void writeFooter() = 0; virtual void writeElement(boost::shared_ptr<Element>) = 0; virtual bool supportsTLSEncryption() = 0; virtual void addTLSEncryption() = 0; - - virtual void addWhitespacePing() = 0; + virtual void setWhitespacePingEnabled(bool enabled) = 0; virtual void resetXMPPParser() = 0; + void setTLSCertificate(const PKCS12Certificate& cert) { + certificate = cert; + } + + virtual bool hasTLSCertificate() { + return !certificate.isNull(); + } + + boost::signal<void (const ProtocolHeader&)> onStreamStartReceived; boost::signal<void (boost::shared_ptr<Element>)> onElementReceived; + boost::signal<void (boost::shared_ptr<Error>)> onError; + boost::signal<void ()> onTLSEncrypted; + boost::signal<void (const String&)> onDataRead; + boost::signal<void (const String&)> onDataWritten; + + protected: + const PKCS12Certificate& getTLSCertificate() const { + return certificate; + } + + private: + PKCS12Certificate certificate; }; } |