enigma-bbs/core/mrc.js
2019-05-19 00:01:58 +01:00

352 lines
12 KiB
JavaScript

/* jslint node: true */
'use strict';
// ENiGMA½
const Log = require('./logger.js').log;
const { MenuModule } = require('./menu_module.js');
const { Errors } = require('./enig_error.js');
const {
pipeToAnsi
} = require('./color_codes.js');
const stringFormat = require('./string_format.js');
const StringUtil = require('./string_util.js')
const { getThemeArt } = require('./theme.js');
// deps
const _ = require('lodash');
const async = require('async');
const net = require('net');
const moment = require('moment');
exports.moduleInfo = {
name : 'MRC Client',
desc : 'Connects to an MRC chat server',
author : 'RiPuk',
packageName : 'codes.l33t.enigma.mrc.client',
// Whilst this module was put together by me (RiPuk), it should be noted that a lot of the ideas (and even some code snippets) were
// borrowed from the Synchronet implementation of MRC by echicken. So...thanks, your code was very helpful in putting this together.
// Source at http://cvs.synchro.net/cgi-bin/viewcvs.cgi/xtrn/mrc/.
};
const FormIds = {
mrcChat : 0,
};
var MciViewIds = {
mrcChat : {
chatLog : 1,
inputArea : 2,
roomName : 3,
roomTopic : 4,
mrcUsers : 5,
mrcBbses : 6,
customRangeStart : 10, // 10+ = customs
}
};
const state = {
socket: '',
alias: '',
room: '',
room_topic: '',
nicks: [],
last_ping: 0
};
exports.getModule = class mrcModule extends MenuModule {
constructor(options) {
super(options);
this.log = Log.child( { module : 'MRC' } );
this.config = Object.assign({}, _.get(options, 'menuConfig.config'), { extraArgs : options.extraArgs });
state.alias = this.client.user.username;
this.menuMethods = {
sendChatMessage : (formData, extraArgs, cb) => {
const inputAreaView = this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.inputArea);
const inputData = inputAreaView.getData();
this.processSentMessage(inputData);
inputAreaView.clearText();
return cb(null);
},
movementKeyPressed : (formData, extraArgs, cb) => {
const bodyView = this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.chatLog); // :TODO: use const here vs magic #
console.log("got arrow key");
switch(formData.key.name) {
case 'down arrow' : bodyView.scrollDocumentUp(); break;
case 'up arrow' : bodyView.scrollDocumentDown(); break;
case 'page up' : bodyView.keyPressPageUp(); break;
case 'page down' : bodyView.keyPressPageDown(); break;
}
this.viewControllers.mrcChat.switchFocus(MciViewIds.mrcChat.inputArea);
return cb(null);
}
}
}
mciReady(mciData, cb) {
super.mciReady(mciData, err => {
if(err) {
return cb(err);
}
async.series(
[
// (callback) => {
// console.log("stop idle monitor")
// this.client.stopIdleMonitor();
// return(callback);
// },
(callback) => {
return this.prepViewController('mrcChat', FormIds.mrcChat, mciData.menu, callback);
},
(callback) => {
return this.validateMCIByViewIds('mrcChat', [ MciViewIds.mrcChat.chatLog, MciViewIds.mrcChat.inputArea ], callback);
},
(callback) => {
const connectOpts = {
port : 5000,
host : "localhost",
};
// connect to multiplexer
state.socket = net.createConnection(connectOpts, () => {
// handshake with multiplexer
state.socket.write(`--DUDE-ITS--|${state.alias}\n`);
sendClientConnect()
// send register to central MRC and get stats every 60s
setInterval(function () {
sendHeartbeat(state.socket)
sendServerCommand('STATS')
}, 60000);
});
// when we get data, process it
state.socket.on('data', data => {
data = data.toString();
this.processReceivedMessage(data);
});
return(callback);
}
],
err => {
return cb(err);
}
);
});
}
processReceivedMessage(blob) {
blob.split('\n').forEach( message => {
try {
message = JSON.parse(message)
} catch (e) {
return
}
const chatMessageView = this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.chatLog);
if (message.from_user == 'SERVER') {
const params = message.body.split(':');
switch (params[0]) {
case 'BANNER':
chatMessageView.addText(pipeToAnsi(params[1].replace(/^\s+/, '')));
chatMessageView.redraw();
break;
case 'ROOMTOPIC':
this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.roomName).setText(`#${params[1]}`);
this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.roomTopic).setText(pipeToAnsi(params[2]));
state.room = params[1]
break;
case 'USERLIST':
state.nicks = params[1].split(',');
break;
case 'STATS':
const stats = params[1].split(' ');
this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.mrcUsers).setText(stats[2]);
this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.mrcBbses).setText(stats[0]);
break;
default:
chatMessageView.addText(pipeToAnsi(message.body));
break;
}
} else {
if (message.from_user == state.alias && message.to_user == "NOTME") {
// don't deliver NOTME messages
return;
} else {
// if we're here then we want to show it to the user
const currentTime = moment().format(this.client.currentTheme.helpers.getTimeFormat());
chatMessageView.addText(pipeToAnsi("|08" + currentTime + "|00 " + message.body + "|00"));
chatMessageView.redraw();
}
}
this.viewControllers.mrcChat.switchFocus(MciViewIds.mrcChat.inputArea);
return;
});
}
processSentMessage(message) {
if (message.startsWith('/')) {
const cmd = message.split(' ');
cmd[0] = cmd[0].substr(1).toLowerCase();
switch (cmd[0]) {
case 'rainbow':
const line = message.replace(/^\/rainbow\s/, '').split(' ').reduce(function (a, c) {
var cc = Math.floor((Math.random() * 31) + 1).toString().padStart(2, '0');
a += `|${cc}${c}|00 `
return a;
}, '').substr(0, 140).replace(/\\s\|\d*$/, '');
this.processSentMessage(line)
break;
case 'l33t':
this.processSentMessage(StringUtil.stylizeString(message.substr(5), 'l33t'));
break;
case 'kewl':
const text_modes = Array('f','v','V','i','M');
const mode = text_modes[Math.floor(Math.random() * text_modes.length)];
this.processSentMessage(StringUtil.stylizeString(message.substr(5), mode));
break;
case 'whoon':
sendServerCommand('WHOON');
break;
case 'motd':
sendServerCommand('MOTD');
break;
case 'meetups':
sendServerCommand('MEETUPS');
break;
case 'bbses':
sendServerCommand('CONNECTED');
break;
case 'topic':
sendServerCommand(`NEWTOPIC:${state.room}:${message.substr(7)}`)
break;
case 'join':
joinRoom(cmd[1]);
break;
case 'chatters':
sendServerCommand('CHATTERS');
break;
case 'rooms':
sendServerCommand('LIST');
break;
case 'clear':
const chatLogView = this.viewControllers.mrcChat.getView(MciViewIds.mrcChat.chatLog)
chatLogView.setText('');
sendServerCommand('STATS');
// chatLogView.redraw();
break;
default:
break;
}
} else {
// just format and send
const textFormatObj = {
fromUserName : state.alias,
message : message
};
const messageFormat =
this.config.messageFormat ||
'|00|10<|02{fromUserName}|10>|00 |03{message}|00';
try {
sendChat(stringFormat(messageFormat, textFormatObj));
} catch(e) {
self.client.log.warn( { error : e.message }, 'MRC error');
}
}
return;
}
};
function sendMessage(to_user, to_site, to_room, body) {
// drop message if user just mashes enter
if (body == '' || body == state.alias) return;
// otherwise construct message
const message = {
from_room: state.room,
to_user: to_user,
to_site: to_site,
to_room: to_room,
body: body
}
Log.debug({module: 'mrcclient', message: message}, 'Sending message to MRC multiplexer');
// TODO: check socket still exists here
state.socket.write(JSON.stringify(message) + '\n');
}
function sendChat(message, to_user) {
sendMessage(to_user || '', '', state.room, message)
}
function sendServerCommand(command, to_site) {
Log.debug({ module: 'mrc', command: command }, 'Sending server command');
sendMessage('SERVER', to_site || '', state.room, command);
return;
}
function sendHeartbeat() {
sendServerCommand('IAMHERE');
return;
}
function sendClientConnect() {
sendHeartbeat();
sendServerCommand('MOTD');
sendServerCommand('STATS');
joinRoom('lobby');
return;
}
function joinRoom(room) {
// room names are displayed with a # but referred to without. confusing.
room = room.replace(/^#/, '');
sendServerCommand(`NEWROOM:${state.room}:${room}`);
sendServerCommand('USERLIST')
}