Files
U2FDevice/Channel.cpp

45 lines
1.1 KiB
C++

#include "Channel.hpp"
#include <stdexcept>
#include "u2f.hpp"
#include "U2F_CMD.hpp"
#include <iostream>
using namespace std;
Channel::Channel(const uint32_t channelID)
: cid{ channelID }, initState{ ChannelInitState::Unitialised }, lockedState{ ChannelLockedState::Unlocked }
{}
uint32_t Channel::getCID() const
{
return cid;
}
void Channel::handle(const shared_ptr<U2FMessage> uMsg)
{
if (uMsg->cmd == U2FHID_INIT)
this->initState = ChannelInitState::Initialised;
else if (uMsg->cid != this->cid)
throw runtime_error{ "CID of request invalid for this channel" };
if (this->initState != ChannelInitState::Initialised)
throw runtime_error{ "Channel in incorrect (uninitialized) state to handle request" };
else if (this->lockedState != ChannelLockedState::Unlocked)
throw runtime_error{ "Channel in incorrect (locked) state to handle request" };
auto cmd = U2F_CMD::get(uMsg);
if (cmd)
return cmd->respond(this->cid);
}
void Channel::init(const ChannelInitState newInitState)
{
this->initState = newInitState;
}
void Channel::lock(const ChannelLockedState newLockedState)
{
this->lockedState = newLockedState;
}