@thaunknown/web-irc/commands/handlers/user.js

A TypeScript port of irc-framework's WebIRC client, without the bloat of unnceessary packages.

import Helpers from '../../helpers';
import { each, map } from '../../util';
const handlers = {
    NICK: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        handler.emit('nick', {
            nick: command.nick,
            ident: command.ident,
            hostname: command.hostname,
            new_nick: command.params[0],
            time,
            tags: command.tags,
            batch: command.batch
        });
    },
    ACCOUNT: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        const account = command.params[0] === '*'
            ? false
            : command.params[0];
        handler.emit('account', {
            nick: command.nick,
            ident: command.ident,
            hostname: command.hostname,
            account,
            time,
            tags: command.tags
        });
    },
    // If the chghost CAP is enabled and 'enable_chghost' option is true
    CHGHOST: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        handler.emit('user updated', {
            nick: command.nick,
            ident: command.ident,
            hostname: command.hostname,
            new_ident: command.params[0],
            new_hostname: command.params[1],
            time,
            tags: command.tags,
            batch: command.batch
        });
    },
    SETNAME: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        handler.emit('user updated', {
            nick: command.nick,
            ident: command.ident,
            hostname: command.hostname,
            new_gecos: command.params[0],
            time,
            tags: command.tags,
            batch: command.batch
        });
    },
    AWAY: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        const message = command.params[command.params.length - 1] || '';
        if (message === '') { // back
            handler.emit('back', {
                self: false,
                nick: command.nick,
                message: '',
                time,
                tags: command.tags
            });
        }
        else {
            handler.emit('away', {
                self: false,
                nick: command.nick,
                message,
                time,
                tags: command.tags
            });
        }
    },
    RPL_NOWAWAY: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        handler.emit('away', {
            self: true,
            nick: command.params[0],
            message: command.params[1] || '',
            time,
            tags: command.tags
        });
    },
    RPL_UNAWAY: function (command, handler) {
        // Check if we have a server-time
        const time = command.getServerTime();
        handler.emit('back', {
            self: true,
            nick: command.params[0],
            message: command.params[1] || '', // example: "<nick> is now back."
            time,
            tags: command.tags
        });
    },
    RPL_ISON: function (command, handler) {
        handler.emit('users online', {
            nicks: (command.params[command.params.length - 1] || '').split(' '),
            tags: command.tags
        });
    },
    ERR_NICKNAMEINUSE: function (command, handler) {
        handler.emit('nick in use', {
            nick: command.params[1],
            reason: command.params[command.params.length - 1],
            tags: command.tags
        });
    },
    ERR_ERRONEOUSNICKNAME: function (command, handler) {
        handler.emit('nick invalid', {
            nick: command.params[1],
            reason: command.params[command.params.length - 1],
            tags: command.tags
        });
    },
    RPL_ENDOFWHOIS: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        if (!cache.nick) {
            cache.nick = command.params[1];
            cache.error = 'not_found';
        }
        handler.emit('whois', cache);
        cache.destroy();
    },
    RPL_AWAY: function (command, handler) {
        const cache_key = 'whois.' + command.params[1].toLowerCase();
        const message = command.params[command.params.length - 1] || 'is away';
        // RPL_AWAY may come as a response to PRIVMSG, and not be a part of whois
        // If so, emit away event separately for it
        if (!handler.hasCache(cache_key)) {
            // Check if we have a server-time
            const time = command.getServerTime();
            handler.emit('away', {
                self: false,
                nick: command.params[1],
                message,
                time,
                tags: command.tags
            });
            return;
        }
        const cache = handler.cache(cache_key);
        cache.away = message;
    },
    RPL_WHOISUSER: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.nick = command.params[1];
        cache.ident = command.params[2];
        cache.hostname = command.params[3];
        cache.real_name = command.params[5];
    },
    RPL_WHOISHELPOP: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.helpop = command.params[command.params.length - 1];
    },
    RPL_WHOISBOT: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.bot = command.params[command.params.length - 1];
    },
    RPL_WHOISSERVER: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.server = command.params[2];
        cache.server_info = command.params[command.params.length - 1];
    },
    RPL_WHOISOPERATOR: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.operator = command.params[command.params.length - 1];
    },
    RPL_WHOISCHANNELS: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        if (cache.channels) {
            cache.channels += ' ' + command.params[command.params.length - 1];
        }
        else {
            cache.channels = command.params[command.params.length - 1];
        }
    },
    RPL_WHOISMODES: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.modes = command.params[command.params.length - 1];
    },
    RPL_WHOISIDLE: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.idle = command.params[2];
        if (command.params[3]) {
            cache.logon = command.params[3];
        }
    },
    RPL_WHOISREGNICK: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.registered_nick = command.params[command.params.length - 1];
    },
    RPL_WHOISHOST: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        const last_param = command.params[command.params.length - 1];
        // <source> 378 <target> <nick> :is connecting from <user>@<host> <ip>
        const match = last_param.match(/.*@([^ ]+) ([^ ]+).*$/); // https://regex101.com/r/AQz7RE/2
        if (!match) {
            return;
        }
        cache.actual_ip = match[2];
        cache.actual_hostname = match[1];
    },
    RPL_WHOISSECURE: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.secure = true;
    },
    RPL_WHOISCERTFP: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        const certfp = command.params[command.params.length - 1];
        cache.certfp = cache.certfp || certfp;
        cache.certfps = cache.certfps || [];
        cache.certfps.push(certfp);
    },
    RPL_WHOISACCOUNT: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.account = command.params[2];
    },
    RPL_WHOISSPECIAL: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.special = cache.special || [];
        cache.special.push(command.params[command.params.length - 1]);
    },
    RPL_WHOISCOUNTRY: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.country = command.params[command.params.length - 1];
        if (command.params.length === 4) {
            cache.country_code = command.params[2];
        }
    },
    RPL_WHOISASN: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.asn = command.params[command.params.length - 1];
    },
    RPL_WHOISACTUALLY: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        // <source> 338 <target> <nick> <user>@<host> <ip> :Actual user@host, Actual IP
        const user_host = command.params[command.params.length - 3] || '';
        const host = user_host.substring(user_host.indexOf('@') + 1);
        const ip = command.params[command.params.length - 2];
        // UnrealIRCd uses this numeric for something else resulting in ip+host
        // to be empty, so ignore this is that's the case
        if (ip && host) {
            cache.actual_ip = ip;
            cache.actual_hostname = host;
        }
    },
    RPL_WHOWASUSER: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.nick = command.params[1];
        cache.ident = command.params[2];
        cache.hostname = command.params[3];
        cache.real_name = command.params[command.params.length - 1];
    },
    RPL_ENDOFWHOWAS: function (command, handler) {
        // Because the WHOIS and WHOWAS numerics clash with eachother,
        // a cache key will have more than what is just in RPL_WHOWASUSER.
        // This is why we borrow from the whois.* cache key ID.
        //
        // This exposes some fields (that may or may not be set).
        // Valid keys that should always be set: nick, ident, hostname, real_name
        // Valid optional keys: actual_ip, actual_hostname, account, server,
        //   server_info
        // More optional fields MAY exist, depending on the type of ircd.
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        // Should, in theory, never happen.
        if (!cache.nick) {
            cache.nick = command.params[1];
            cache.error = 'no_such_nick';
        }
        handler.emit('whowas', cache);
        cache.destroy();
    },
    ERR_WASNOSUCHNICK: function (command, handler) {
        const cache_key = command.params[1].toLowerCase();
        const cache = handler.cache('whois.' + cache_key);
        cache.nick = command.params[1];
        cache.error = 'no_such_nick';
    },
    RPL_UMODEIS: function (command, handler) {
        const nick = command.params[0];
        const raw_modes = command.params[1];
        handler.emit('user info', {
            nick,
            raw_modes,
            tags: command.tags
        });
    },
    RPL_HOSTCLOAKING: function (command, handler) {
        handler.emit('displayed host', {
            nick: command.params[0],
            hostname: command.params[1],
            tags: command.tags
        });
    },
    RPL_MONONLINE: function (command, handler) {
        const users = (command.params[command.params.length - 1] || '').split(',');
        const parsed = map(users, user => Helpers.parseMask(user).nick);
        handler.emit('users online', {
            nicks: parsed,
            tags: command.tags
        });
    },
    RPL_MONOFFLINE: function (command, handler) {
        const users = (command.params[command.params.length - 1] || '').split(',');
        handler.emit('users offline', {
            nicks: users,
            tags: command.tags
        });
    },
    RPL_MONLIST: function (command, handler) {
        const cache = handler.cache('monitorList.' + command.params[0]);
        if (!cache.nicks) {
            cache.nicks = [];
        }
        const users = command.params[command.params.length - 1].split(',');
        cache.nicks.push(...users);
    },
    RPL_ENDOFMONLIST: function (command, handler) {
        const cache = handler.cache('monitorList.' + command.params[0]);
        handler.emit('monitorList', {
            nicks: cache.nicks || []
        });
        cache.destroy();
    }
};
export default function AddCommandHandlers(command_controller) {
    each(handlers, function (handler, handler_command) {
        command_controller.addHandler(handler_command, handler);
    });
}
//# sourceMappingURL=user.js.map