ircproxy  The Ultimate Cyborg

---

Prefix.cc

Go to the documentation of this file.

// ircproxy -- An IRC bouncer.
//
//! @file Prefix.cc
//! @brief This file contains the implementation of class Prefix.
//
// Copyright (C) 2007 by
//
// Carlo Wood, Run on IRC <carlo@alinoe.com>
// RSA-1024 0x624ACAD5 1997-01-26                    Sign & Encrypt
// Fingerprint16 = 32 EC A7 B6 AC DB 65 A6  F6 F6 55 DD 1C DC FF 61
//
// This file may be distributed under the terms of the Q Public License
// version 1.0 as appearing in the file LICENSE.QPL included in the
// packaging of this file.

#ifndef USE_PCH
#include "sys.h"
#include "debug.h"
#endif

#include "Prefix.h"
#include "MessageIn.h"
#include "exceptions.h"
#include "ServerSession.h"
#include "ClientSession.h"

template<class SESSION>
void Prefix::init(SESSION& session, std::string const& prefix)
{
  Dout(dc::objects, "Constructing Prefix(" << session << ", \"" << prefix << "\")");

  // Decode the prefix.
  std::string::size_type nicklen = prefix.find('!');
  if (nicklen != std::string::npos)
  {
    std::string nickname = prefix.substr(0, nicklen);
    std::string::size_type hostpos = prefix.find('@', nicklen + 1);
    ASSERT(hostpos != std::string::npos);
    std::string::size_type usernamelen = hostpos - nicklen - 1;
    std::string username = prefix.substr(nicklen + 1, usernamelen);
    std::string hostname = prefix.substr(hostpos + 1);

    Debug(attach_gdb());
    M_nick = session.get_nick(nickname, true);
    M_nick->data().set_username(username);
    M_nick->data().set_hostname(hostname);
  }
  else
  {
    // FIXME: Lookup server in some server map, and store a Target pointer to it (is that really necessary?)
    // Must be server name.
    M_server_name = prefix;
  }
}

Prefix::Prefix(ServerMessageIn const& msg)
{
  if (msg.has_prefix())
    init(msg.server_session(), msg.prefix_str());
}

Prefix::Prefix(ClientMessageIn const& msg)
{
  if (msg.has_prefix())
    init(msg.client_session(), msg.prefix_str());
}

//! Return the serverside prefix.
std::string Prefix::out_prefix(ServerSession const& server_session, bool allow_uninitialized) const
{
  if (!M_server_name.empty())
    return M_server_name;
  bool username_initialized = (M_nick->data().initialized() & username_bit);
  bool hostname_initialized = (M_nick->data().initialized() & hostname_bit);
  ASSERT(!M_nick->is_me() || !debug::secondary_connection);
  if (M_nick->is_me() && !(username_initialized && hostname_initialized))
    return M_nick->out_name(server_session);
  std::string result = M_nick->out_name(server_session);
  if (!username_initialized && allow_uninitialized)
    result += "!~unknown";
  else
  {
    result += '!';
    result += M_nick->data().username();
  }
  if (!hostname_initialized && allow_uninitialized)
    result += "@unknown.ircproxy.net";
  else
  {
    result += '@';
    result += M_nick->data().hostname();
  }
  return result;
}

//! Return the clientside prefix.
std::string Prefix::out_prefix(ClientSession const& client_session, bool allow_uninitialized) const
{
  if (!M_server_name.empty())
    return M_server_name;
  bool username_initialized = (M_nick->data().initialized() & username_bit);
  bool hostname_initialized = (M_nick->data().initialized() & hostname_bit);
  if (M_nick->is_me() && !(username_initialized && hostname_initialized))
    return M_nick->out_name(client_session);
  std::string result = M_nick->out_name(client_session);
  if (!username_initialized && allow_uninitialized)
    result += "!~unknown";
  else
  {
    result += '!';
    result += M_nick->data().username();
  }
  if (!hostname_initialized && allow_uninitialized)
    result += "@unknown.ircproxy.net";
  else
  {
    result += '@';
    result += M_nick->data().hostname();
  }
  return result;
}

---