ClientAuthentification.cpp

#include "Server.hpp"

void    Server::ERR_NEEDMOREPARAMS(int fd)
{
    SendMessage(fd, ":HALAL_TINDER 461 Client PASS :Not enough parameters\r\n");
}

void    Server::ERR_ALREADYREGISTERED(int fd)
{
    SendMessage(fd, ":HALAL_TINDER 462 Client :You may not reregister\r\n");
}

bool    Server::duplicateNick(std::string NICK)
{
    std::map<int, Client>::iterator it;

    for (it = clients.begin(); it != clients.end(); it++)
    {
        if (it->second.get_nick() == NICK)
            return 1;
    }
    return 0;
}

bool    Server::checkNICK(std::string NICK)
{
    if ((NICK[0] < 'a' || NICK[0] > 'z') && (NICK[0] < 'A' || NICK[0] > 'Z'))
        return 1;
    for (unsigned long i = 1; i < NICK.size(); i++)
    {
        if(!isalnum(NICK[i]) && NICK[i] != '[' && NICK[i] != ']' && NICK[i] != '{' && NICK[i] != '}' && NICK[i] != '\\' && NICK[i] != '|')
            return 1;
    }
    return 0;
}

void Server::cmd_PASS(std::vector<std::string> &cmd, int fd)
{
        // SendMessage(fd, ":HALAL_TINDER 461 Client PASS :Not enough parameters\r\n");
    if (cmd.size() > 2)
        SendMessage(fd, ":HALAL_TINDER Client :Too many arguments:\r\n");
    else if (cmd.size() == 1)
        ERR_NEEDMOREPARAMS(fd);
    else if (password == cmd[1])
    {
        clients[fd].set_registered(1);
        SendMessage(fd, "Please enter your NICK:\r\n");
    }
    else
        SendMessage(fd, ":HALAL_TINDER 464 Client :Password incorrect\r\n");
}

void Server::RegisterClient(std::vector<std::string> &cmd, int fd)
{
    std::string message;

    if (cmd[0] == "PASS" || cmd[0] == "pass")
    {
        cmd_PASS(cmd, fd);
    }
    else if (clients[fd].get_registered() == 1 && (cmd[0] == "NICK" || cmd[0] == "nick"))
    {
        int flag = 0;
        if (cmd.size() == 1)
        {
            flag = 1;
            message = ":HALAL_TINDER 431 Client :No nickname given\r\n";
            send(fd, message.c_str(), message.size(), 0);
        }
        else if (cmd.size() > 1)
        {
            if (duplicateNick(cmd[1]) == 1)
            {
                flag = 1;
                message = ":HALAL_TINDER 433 Client "+ cmd[1] +" :Nickname is already in use\r\n";
                send(fd, message.c_str(), message.size(), 0);
            }
            else if (cmd.size() > 2 || checkNICK(cmd[1]))
            {
                flag = 1;
                message = ":HALAL_TINDER 432 Client " + cmd[1] + ":Erroneus nickname\r\n";
                send(fd, message.c_str(), message.size(), 0);
            }
        }
        if (flag == 0)
        {
            clients[fd].set_nick(cmd[1]);
            clients[fd].set_registered(2);
            message = "Please enter your USER:\r\n";
            send(fd, message.c_str(), message.size(), 0);
        }
    }
    else if (cmd[0] == "USER")
    {
        if(clients[fd].get_registered() == 2)
        {
            if (cmd.size() > 5)
                SendMessage(fd, ":HALAL_TINDER 461 Client USER :Too many parameters\r\n");
            else if (cmd.size() < 5)
                SendMessage(fd, ":HALAL_TINDER 461 Client USER :Not enough parameters\r\n");
            else {
                clients[fd].set_user(cmd[1]);
                clients[fd].set_real_name(cmd[4]);
                clients[fd].set_registered(3);

                message = ":HALAL_TINDER 001 " + clients[fd].get_nick() + " :Welcome to the HALAL_TINDER Network, " + clients[fd].get_nick() + "[!" + clients[fd].get_user() + "@HALAL_TINDER]\r\n";

                send(fd, message.c_str(), message.size(), 0);

                message = ":HALAL_TINDER 002 " + clients[fd].get_nick() + " :Your host is HALAL_TINDER, running version 2.0\r\n";

                send(fd, message.c_str(), message.size(), 0);

                message = ":HALAL_TINDER 003 " + clients[fd].get_nick() + " :This server was created " + creationTime + "\r\n";

                send(fd, message.c_str(), message.size(), 0);

                message = ":HALAL_TINDER 004 " + clients[fd].get_nick() + " :HALAL_TINDER 2.0 \r\n";

                send(fd, message.c_str(), message.size(), 0);
            }
        }
    }
}