enigma-bbs/core/combatnet.js

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JavaScript
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2017-11-02 00:41:20 +00:00
/* jslint node: true */
'use strict';
// enigma-bbs
const MenuModule = require('../core/menu_module.js').MenuModule;
const resetScreen = require('../core/ansi_term.js').resetScreen;
// deps
const async = require('async');
const _ = require('lodash');
const RLogin = require('rlogin');
exports.moduleInfo = {
name : 'CombatNet',
desc : 'CombatNet Access Module',
author : 'Dave Stephens',
};
exports.getModule = class CombatNetModule extends MenuModule {
constructor(options) {
super(options);
// establish defaults
this.config = options.menuConfig.config;
this.config.host = this.config.host || 'bbs.combatnet.us';
this.config.rloginPort = this.config.rloginPort || 4513;
}
initSequence() {
const self = this;
async.series(
[
function validateConfig(callback) {
if(!_.isString(self.config.password)) {
return callback(new Error('Config requires "password"!'));
}
if(!_.isString(self.config.bbsTag)) {
return callback(new Error('Config requires "bbsTag"!'));
}
return callback(null);
},
function establishRloginConnection(callback) {
self.client.term.write(resetScreen());
self.client.term.write('Connecting to CombatNet, please wait...\n');
const restorePipeToNormal = function() {
self.client.term.output.removeListener('data', sendToRloginBuffer);
};
const rlogin = new RLogin(
{ 'clientUsername' : self.config.password,
'serverUsername' : `${self.config.bbsTag}${self.client.user.username}`,
'host' : self.config.host,
'port' : self.config.rloginPort,
'terminalType' : self.client.term.termClient,
'terminalSpeed' : 57600
}
);
// If there was an error ...
rlogin.on('error', err => {
self.client.log.info(`CombatNet rlogin client error: ${err.message}`);
restorePipeToNormal();
callback(err);
});
// If we've been disconnected ...
rlogin.on('disconnect', () => {
self.client.log.info(`Disconnected from CombatNet`);
restorePipeToNormal();
callback(null);
});
function sendToRloginBuffer(buffer) {
rlogin.send(buffer);
};
rlogin.on("connect",
/* The 'connect' event handler will be supplied with one argument,
a boolean indicating whether or not the connection was established. */
function(state) {
if(state) {
self.client.log.info('Connected to CombatNet');
self.client.term.output.on('data', sendToRloginBuffer);
} else {
return callback(new Error('Failed to establish establish CombatNet connection'));
}
}
);
// If data (a Buffer) has been received from the server ...
rlogin.on("data", (data) => {
self.client.term.rawWrite(data);
});
// connect...
rlogin.connect();
// note: no explicit callback() until we're finished!
}
],
err => {
if(err) {
self.client.log.warn( { error : err.message }, 'CombatNet error');
}
// if the client is still here, go to previous
self.prevMenu();
}
);
}
};