ft_irc/Authenti.cpp at main · fredrukundo/ft_irc · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Authenti.cpp                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: frukundo <frukundo@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/08/28 10:50:13 by frukundo          #+#    #+#             */
/*   Updated: 2024/08/29 20:57:27 by frukundo         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "Server.hpp"

/*
*   PASS COMMAND
*/

void Server::client_authen(int fd, std::string cmd)
{
	Client *cli = GetClient(fd);
	cmd = cmd.substr(4);
	size_t pos = cmd.find_first_not_of("\t\v ");
	if(pos < cmd.size())
	{
		cmd = cmd.substr(pos);
		if(cmd[0] == ':')
			cmd.erase(cmd.begin());
	}
	if(pos == std::string::npos || cmd.empty())
		_sendResponse(ERR_NOTENOUGHPARAM(std::string("*")), fd);
	else if(!cli->getRegistered())
	{
		std::string pass = cmd;
		if(pass == password)
			cli->setRegistered(true);
		else
            _sendResponse(ERR_INCORPASS(std::string("*")), fd);
	}
	else
        _sendResponse(ERR_ALREADYREGISTERED(GetClient(fd)->GetNickName()), fd);
}


/*
*    NICK COMMAND
*/

bool Server::is_validNickname(std::string& nickname)
{

	if(!nickname.empty() && (nickname[0] == '&' || nickname[0] == '#' || nickname[0] == ':'))
		return false;
	for(size_t i = 1; i < nickname.size(); i++)
	{
		if(!std::isalnum(nickname[i]) && nickname[i] != '_')
			return false;
	}
	return true;
}


bool Server::nickNameInUse(std::string& nickname)
{
	for (size_t i = 0; i < this->clients.size(); i++)
	{
		if (this->clients[i].GetNickName() == nickname)
			return true;
	}
	return false;
}


void Server::set_nickname(std::string cmd, int fd)
{
	std::string inuse;
	cmd = cmd.substr(4);
	size_t pos = cmd.find_first_not_of("\t\v ");
	if(pos < cmd.size())
	{
		cmd = cmd.substr(pos);
		if(cmd[0] == ':')
			cmd.erase(cmd.begin());
	}
	Client *cli = GetClient(fd);
	if(pos == std::string::npos || cmd.empty())
		{_sendResponse(ERR_NOTENOUGHPARAM(std::string("*")), fd); return;}
	if (nickNameInUse(cmd) && cli->GetNickName() != cmd){
		inuse = "*";
		if(cli->GetNickName().empty())
			cli->SetNickname(inuse);
	    _sendResponse(ERR_NICKINUSE(std::string(cmd)), fd);
		return;
	}
	if(!is_validNickname(cmd)) {
		_sendResponse(ERR_ERRONEUSNICK(std::string(cmd)), fd);
		return;
	}
	else
	{
		if(cli && cli->getRegistered())
		{
			std::string oldnick = cli->GetNickName();
			cli->SetNickname(cmd);
			if(!oldnick.empty() && oldnick != cmd)
			{
				if(oldnick == "*" && !cli->GetUserName().empty())
				{
					cli->setLogedin(true);
					_sendResponse(RPL_CONNECTED(cli->GetNickName()), fd);
					_sendResponse(RPL_NICKCHANGE(cli->GetNickName(),cmd), fd);
				}
				else
					_sendResponse(RPL_NICKCHANGE(oldnick,cmd), fd);
				return;
			}

		}
		else if (cli && !cli->getRegistered())
			_sendResponse(ERR_NOTREGISTERED(cmd), fd);
	}
	if(cli && cli->getRegistered() && !cli->GetUserName().empty() && !cli->GetNickName().empty() && cli->GetNickName() != "*" && !cli->GetLogedIn())
	{
		cli->setLogedin(true);
		_sendResponse(RPL_CONNECTED(cli->GetNickName()), fd);
	}
}

/*
    USER COMMAND
*/

void	Server::set_username(std::string& cmd, int fd)
{
	std::vector<std::string> splited_cmd = split_cmd(cmd);

	Client *cli = GetClient(fd);
	if((cli && splited_cmd.size() < 5))
		{_sendResponse(ERR_NOTENOUGHPARAM(cli->GetNickName()), fd); return; }
	if(!cli  || !cli->getRegistered())
		_sendResponse(ERR_NOTREGISTERED(std::string("*")), fd);
	else if (cli && !cli->GetUserName().empty())
		{_sendResponse(ERR_ALREADYREGISTERED(cli->GetNickName()), fd); return;}
	else
		cli->SetUsername(splited_cmd[1]);
	if(cli && cli->getRegistered() && !cli->GetUserName().empty() && !cli->GetNickName().empty() && cli->GetNickName() != "*"  && !cli->GetLogedIn())
	{
		cli->setLogedin(true);
		_sendResponse(RPL_CONNECTED(cli->GetNickName()), fd);
	}
}