/* * Copyright (c) 2010-2012 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/optional.hpp> #include <Swiften/Base/API.h> #include <Swiften/Elements/ProtocolHeader.h> #include <Swiften/Elements/Element.h> #include <Swiften/Base/Error.h> #include <Swiften/Base/SafeByteArray.h> #include <Swiften/TLS/CertificateWithKey.h> #include <Swiften/TLS/Certificate.h> #include <Swiften/TLS/CertificateVerificationError.h> namespace Swift { class SWIFTEN_API SessionStream { public: class SessionStreamError : public Swift::Error { public: enum Type { ParseError, TLSError, InvalidTLSCertificateError, ConnectionReadError, ConnectionWriteError }; SessionStreamError(Type type) : type(type) {} Type type; }; SessionStream(): certificate() {} virtual ~SessionStream(); virtual void close() = 0; virtual bool isOpen() = 0; virtual void writeHeader(const ProtocolHeader& header) = 0; virtual void writeFooter() = 0; virtual void writeElement(boost::shared_ptr<Element>) = 0; virtual void writeData(const std::string& data) = 0; virtual bool supportsZLibCompression() = 0; virtual void addZLibCompression() = 0; virtual bool supportsTLSEncryption() = 0; virtual void addTLSEncryption() = 0; virtual bool isTLSEncrypted() = 0; virtual void setWhitespacePingEnabled(bool enabled) = 0; virtual void resetXMPPParser() = 0; void setTLSCertificate(CertificateWithKey::ref cert) { certificate = cert; } virtual bool hasTLSCertificate() { return certificate && !certificate->isNull(); } virtual Certificate::ref getPeerCertificate() const = 0; virtual std::vector<Certificate::ref> getPeerCertificateChain() const = 0; virtual boost::shared_ptr<CertificateVerificationError> getPeerCertificateVerificationError() const = 0; virtual ByteArray getTLSFinishMessage() const = 0; boost::signal<void (const ProtocolHeader&)> onStreamStartReceived; boost::signal<void (boost::shared_ptr<Element>)> onElementReceived; boost::signal<void (boost::shared_ptr<Error>)> onClosed; boost::signal<void ()> onTLSEncrypted; boost::signal<void (const SafeByteArray&)> onDataRead; boost::signal<void (const SafeByteArray&)> onDataWritten; protected: CertificateWithKey::ref getTLSCertificate() const { return certificate; } private: CertificateWithKey::ref certificate; }; }