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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#pragma once
#include "Swiften/Base/boost_bsignals.h"
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include "Swiften/Base/Error.h"
#include "Swiften/Session/SessionStream.h"
#include "Swiften/Session/BasicSessionStream.h"
#include "Swiften/Base/String.h"
#include "Swiften/JID/JID.h"
#include "Swiften/Elements/Element.h"
namespace Swift {
class ClientAuthenticator;
class ClientSession : public boost::enable_shared_from_this<ClientSession> {
public:
enum State {
Initial,
WaitingForStreamStart,
Negotiating,
Compressing,
WaitingForEncrypt,
Encrypting,
WaitingForCredentials,
Authenticating,
BindingResource,
StartingSession,
Initialized,
Finished
};
struct Error : public Swift::Error {
enum Type {
AuthenticationFailedError,
CompressionFailedError,
ServerVerificationFailedError,
NoSupportedAuthMechanismsError,
UnexpectedElementError,
ResourceBindError,
SessionStartError,
TLSClientCertificateError,
TLSError,
} type;
Error(Type type) : type(type) {}
};
~ClientSession();
static boost::shared_ptr<ClientSession> create(const JID& jid, boost::shared_ptr<SessionStream> stream) {
return boost::shared_ptr<ClientSession>(new ClientSession(jid, stream));
}
State getState() const {
return state;
}
void setAllowPLAINOverNonTLS(bool b) {
allowPLAINOverNonTLS = b;
}
void start();
void finish();
void sendCredentials(const String& password);
void sendElement(boost::shared_ptr<Element> element);
public:
boost::signal<void ()> onNeedCredentials;
boost::signal<void ()> onInitialized;
boost::signal<void (boost::shared_ptr<Swift::Error>)> onFinished;
boost::signal<void (boost::shared_ptr<Element>)> onElementReceived;
private:
ClientSession(
const JID& jid,
boost::shared_ptr<SessionStream>);
void finishSession(Error::Type error);
void finishSession(boost::shared_ptr<Swift::Error> error);
JID getRemoteJID() const {
return JID("", localJID.getDomain());
}
void sendStreamHeader();
void sendSessionStart();
void handleElement(boost::shared_ptr<Element>);
void handleStreamStart(const ProtocolHeader&);
void handleStreamError(boost::shared_ptr<Swift::Error>);
void handleTLSEncrypted();
bool checkState(State);
private:
JID localJID;
State state;
boost::shared_ptr<SessionStream> stream;
bool allowPLAINOverNonTLS;
bool needSessionStart;
ClientAuthenticator* authenticator;
};
}
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Swift