encrypt.cpp

#include <iostream>
#include <fstream>
#include "steam/steam_api.h"
#include "steam/steamencryptedappticket.h"
#include "base64.h"

bool finish = false;

class CGameManager
{
public:
  void RequestEncryptedAppTicket();

private:
  void OnGetEncryptedAppTicket(EncryptedAppTicketResponse_t *pCallback, bool bIOFailure);
  CCallResult<CGameManager, EncryptedAppTicketResponse_t> m_EncryptedAppTicketResponseCallResult;
};

void CGameManager::RequestEncryptedAppTicket()
{
  std::cout<<"Requesting encrypted app ticket"<<std::endl;
  SteamAPICall_t hSteamAPICall = SteamUser()->RequestEncryptedAppTicket(NULL, 0);
  m_EncryptedAppTicketResponseCallResult.Set(hSteamAPICall, this, &CGameManager::OnGetEncryptedAppTicket);
}

void CGameManager::OnGetEncryptedAppTicket(EncryptedAppTicketResponse_t *pCallback, bool bIOFailure)
{
  if (bIOFailure)
  {
    std::cout<<"There has been an IO Failure when requesting the Encrypted App Ticket."<<std::endl;
    return;
  }
  switch (pCallback->m_eResult)
  {
  case k_EResultOK:
  {
    std::cout<<"Encrypted ticket retreived correctly from steam."<<std::endl;
    uint8 rgubTicket[1024];
    uint32 cubTicket;
    if (SteamUser()->GetEncryptedAppTicket(rgubTicket, sizeof(rgubTicket), &cubTicket))
    {
      std::cout<<"Encoding ticket on base64"<<std::endl;
      std::string encoded = base64_encode((unsigned char const *)rgubTicket, (unsigned int)cubTicket);
      std::cout << "Ticket encoded: " << encoded << std::endl;
    }
    else
      std::cout<<"GetEncryptedAppTicket failed."<<std::endl;
  }
  break;
  case k_EResultNoConnection:
    std::cout<<"Calling RequestEncryptedAppTicket while not connected to steam results in this error."<<std::endl;
    break;
  case k_EResultDuplicateRequest:
    std::cout<<"Calling RequestEncryptedAppTicket while there is already a pending request results in this error."<<std::endl;
    break;
  case k_EResultLimitExceeded:
    std::cout<<"Calling RequestEncryptedAppTicket more than once per minute returns this error."<<std::endl;
    break;
  }

  finish = true;
}

int main()
{
  SteamAPI_Init();
  CGameManager game_manager;
  game_manager.RequestEncryptedAppTicket();

  while (!finish)
  {
    SteamAPI_RunCallbacks();
  }

  std::cout<<"Process finished"<<std::endl;

  return 0;
}