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// Copyright (c) 2017-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#ifndef MONERO_EXCEPTIONS_H
#define MONERO_EXCEPTIONS_H
#include <exception>
#include <string>
#include <boost/optional.hpp>
namespace hw {
namespace trezor {
namespace exc {
class SecurityException : public std::exception {
protected:
boost::optional<std::string> reason;
public:
SecurityException(): reason("General Security exception"){}
explicit SecurityException(std::string what): reason(what){}
virtual const char* what() const throw() {
return reason.get().c_str();
}
};
class Poly1305TagInvalid: public SecurityException {
public:
using SecurityException::SecurityException;
Poly1305TagInvalid(): SecurityException("Poly1305 authentication tag invalid"){}
};
class TrezorException : public std::exception {
protected:
boost::optional<std::string> reason;
public:
TrezorException(): reason("General Trezor exception"){}
explicit TrezorException(std::string what): reason(what){}
virtual const char* what() const throw() {
return reason.get().c_str();
}
};
class CommunicationException: public TrezorException {
public:
using TrezorException::TrezorException;
CommunicationException(): TrezorException("Trezor communication error"){}
};
class EncodingException: public CommunicationException {
public:
using CommunicationException::CommunicationException;
EncodingException(): CommunicationException("Trezor message encoding error"){}
};
class NotConnectedException : public CommunicationException {
public:
using CommunicationException::CommunicationException;
NotConnectedException(): CommunicationException("Trezor not connected"){}
};
class DeviceNotResponsiveException : public CommunicationException {
public:
using CommunicationException::CommunicationException;
DeviceNotResponsiveException(): CommunicationException("Trezor does not respond to ping"){}
};
class DeviceAcquireException : public CommunicationException {
public:
using CommunicationException::CommunicationException;
DeviceAcquireException(): CommunicationException("Trezor could not be acquired"){}
};
class SessionException: public CommunicationException {
public:
using CommunicationException::CommunicationException;
SessionException(): CommunicationException("Trezor session expired"){}
};
class TimeoutException: public CommunicationException {
public:
using CommunicationException::CommunicationException;
TimeoutException(): CommunicationException("Trezor communication timeout"){}
};
class ProtocolException: public CommunicationException {
public:
using CommunicationException::CommunicationException;
ProtocolException(): CommunicationException("Trezor protocol error"){}
};
// Communication protocol namespace
// Separated to distinguish between client and Trezor side exceptions.
namespace proto {
class SecurityException : public ProtocolException {
public:
using ProtocolException::ProtocolException;
SecurityException(): ProtocolException("Security assertion violated in the protocol"){}
};
class FailureException : public ProtocolException {
private:
boost::optional<uint32_t> code;
boost::optional<std::string> message;
public:
using ProtocolException::ProtocolException;
FailureException(): ProtocolException("Trezor returned failure"){}
FailureException(boost::optional<uint32_t> code,
boost::optional<std::string> message)
: code(code), message(message) {
reason = "Trezor returned failure: code="
+ (code ? std::to_string(code.get()) : "")
+ ", message=" + (message ? message.get() : "");
};
};
class UnexpectedMessageException : public FailureException {
public:
using FailureException::FailureException;
UnexpectedMessageException(): FailureException("Trezor claims unexpected message received"){}
};
class CancelledException : public FailureException {
public:
using FailureException::FailureException;
CancelledException(): FailureException("Trezor returned: cancelled operation"){}
};
class PinExpectedException : public FailureException {
public:
using FailureException::FailureException;
PinExpectedException(): FailureException("Trezor claims PIN is expected"){}
};
class InvalidPinException : public FailureException {
public:
using FailureException::FailureException;
InvalidPinException(): FailureException("Trezor claims PIN is invalid"){}
};
class NotEnoughFundsException : public FailureException {
public:
using FailureException::FailureException;
NotEnoughFundsException(): FailureException("Trezor claims not enough funds"){}
};
class NotInitializedException : public FailureException {
public:
using FailureException::FailureException;
NotInitializedException(): FailureException("Trezor claims not initialized"){}
};
class FirmwareErrorException : public FailureException {
public:
using FailureException::FailureException;
FirmwareErrorException(): FailureException("Trezor returned firmware error"){}
};
}
}
}
}
#endif //MONERO_EXCEPTIONS_H
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