~singpolyma/biboumi

ref: bf7b05ef72bbdac97704d262ddfe418908267535 biboumi/src/irc/irc_client.cpp -rw-r--r-- 4.7 KiB
bf7b05ef — Florent Le Coz Implement the Bridge class to translate between the two protocols 10 years ago
                                                                                
87aaacdb Florent Le Coz
bf7b05ef Florent Le Coz
7869ef2a Florent Le Coz
bf7b05ef Florent Le Coz
7869ef2a Florent Le Coz
bf7b05ef Florent Le Coz
4027ef8c Florent Le Coz
bf7b05ef Florent Le Coz
4027ef8c Florent Le Coz
7869ef2a Florent Le Coz
bf7b05ef Florent Le Coz
7869ef2a Florent Le Coz
4027ef8c Florent Le Coz
bf7b05ef Florent Le Coz
4027ef8c Florent Le Coz
bf7b05ef Florent Le Coz
358b53fa Florent Le Coz
4027ef8c Florent Le Coz
bf7b05ef Florent Le Coz
7869ef2a Florent Le Coz
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#include <irc/irc_message.hpp>
#include <irc/irc_client.hpp>
#include <bridge/bridge.hpp>
#include <irc/irc_user.hpp>

#include <utils/make_unique.hpp>
#include <utils/split.hpp>

#include <iostream>
#include <stdexcept>

IrcClient::IrcClient(const std::string& hostname, const std::string& username, Bridge* bridge):
  hostname(hostname),
  username(username),
  bridge(bridge)
{
  std::cout << "IrcClient()" << std::endl;
}

IrcClient::~IrcClient()
{
  std::cout << "~IrcClient()" << std::endl;
}

void IrcClient::start()
{
  this->connect(this->hostname, "6667");
}

void IrcClient::on_connected()
{
  this->send_nick_command(this->username);
  this->send_user_command(this->username, this->username);
}

void IrcClient::on_connection_close()
{
  std::cout << "Connection closed by remote server." << std::endl;
}

IrcChannel* IrcClient::get_channel(const std::string& name)
{
  try
    {
      return this->channels.at(name).get();
    }
  catch (const std::out_of_range& exception)
    {
      this->channels.emplace(name, std::make_unique<IrcChannel>());
      return this->channels.at(name).get();
    }
}

void IrcClient::parse_in_buffer()
{
  while (true)
    {
      auto pos = this->in_buf.find("\r\n");
      if (pos == std::string::npos)
        break ;
      IrcMessage message(this->in_buf.substr(0, pos));
      this->in_buf = this->in_buf.substr(pos + 2, std::string::npos);
      std::cout << message << std::endl;
      // TODO map function and command name properly
      if (message.command == "PING")
        this->send_pong_command();
      else if (message.command == "NOTICE" ||
               message.command == "375" ||
               message.command == "372")
        this->forward_server_message(message);
      else if (message.command == "JOIN")
        this->on_self_channel_join(message);
      else if (message.command == "353")
        this->set_and_forward_user_list(message);
      else if (message.command == "332")
        this->on_topic_received(message);
      else if (message.command == "366")
        this->on_channel_completely_joined(message);
    }
}

void IrcClient::send_message(IrcMessage&& message)
{
  std::string res;
  if (!message.prefix.empty())
    res += ":" + std::move(message.prefix) + " ";
  res += std::move(message.command);
  for (const std::string& arg: message.arguments)
    {
      if (arg.find(" ") != std::string::npos)
        {
          res += " :" + arg;
          break;
        }
      res += " " + arg;
    }
  res += "\r\n";
  std::cout << "=== IRC SENDING ===" << std::endl;
  std::cout << res << std::endl;
  this->send_data(std::move(res));
}

void IrcClient::send_user_command(const std::string& username, const std::string& realname)
{
  this->send_message(IrcMessage("USER", {username, "NONE", "NONE", realname}));
}

void IrcClient::send_nick_command(const std::string& nick)
{
  this->send_message(IrcMessage("NICK", {nick}));
}

void IrcClient::send_join_command(const std::string& chan_name)
{
  IrcChannel* channel = this->get_channel(chan_name);
  if (channel->joined == false)
    this->send_message(IrcMessage("JOIN", {chan_name}));
}

void IrcClient::send_pong_command()
{
  this->send_message(IrcMessage("PONG", {}));
}

void IrcClient::forward_server_message(const IrcMessage& message)
{
  const std::string from = message.prefix;
  const std::string body = message.arguments[1];

  this->bridge->send_xmpp_message(this->hostname, from, body);
}

void IrcClient::set_and_forward_user_list(const IrcMessage& message)
{
  const std::string chan_name = message.arguments[2];
  IrcChannel* channel = this->get_channel(chan_name);
  std::vector<std::string> nicks = utils::split(message.arguments[3], ' ');
  for (const std::string& nick: nicks)
    {
      IrcUser* user = channel->add_user(nick);
      if (user->nick != channel->get_self()->nick)
        {
          std::cout << "Adding user [" << nick << "] to chan " << chan_name << std::endl;
          this->bridge->send_user_join(this->hostname, chan_name, user->nick);
        }
    }
}

void IrcClient::on_self_channel_join(const IrcMessage& message)
{
  const std::string chan_name = message.arguments[0];
  IrcChannel* channel = this->get_channel(chan_name);
  channel->joined = true;
  channel->set_self(message.prefix);
}

void IrcClient::on_topic_received(const IrcMessage& message)
{
  const std::string chan_name = message.arguments[1];
  IrcChannel* channel = this->get_channel(chan_name);
  channel->topic = message.arguments[2];
}

void IrcClient::on_channel_completely_joined(const IrcMessage& message)
{
  const std::string chan_name = message.arguments[1];
  IrcChannel* channel = this->get_channel(chan_name);
  this->bridge->send_self_join(this->hostname, chan_name, channel->get_self()->nick);
  this->bridge->send_topic(this->hostname, chan_name, channel->topic);
}