enigma-bbs/core/combatnet.js

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/* jslint node: true */
'use strict';
// enigma-bbs
const { MenuModule } = require('../core/menu_module.js');
const { resetScreen } = require('../core/ansi_term.js');
const { Errors } = require('./enig_error.js');
const { trackDoorRunBegin, trackDoorRunEnd } = require('./door_util.js');
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// deps
const async = require('async');
const RLogin = require('rlogin');
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exports.moduleInfo = {
name: 'CombatNet',
desc: 'CombatNet Access Module',
author: 'Dave Stephens',
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};
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) {
return self.validateConfigFields(
{
host: 'string',
password: 'string',
bbsTag: 'string',
rloginPort: 'number',
},
callback
);
},
function establishRloginConnection(callback) {
self.client.term.write(resetScreen());
self.client.term.write('Connecting to CombatNet, please wait...\n');
let doorTracking;
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const restorePipeToNormal = function () {
if (self.client.term.output) {
self.client.term.output.removeListener(
'data',
sendToRloginBuffer
);
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if (doorTracking) {
trackDoorRunEnd(doorTracking);
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}
}
};
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();
return callback(err);
});
// If we've been disconnected ...
rlogin.on('disconnect', () => {
self.client.log.info('Disconnected from CombatNet');
restorePipeToNormal();
return callback(null);
});
function sendToRloginBuffer(buffer) {
rlogin.send(buffer);
}
rlogin.on(
'connect',
/* The 'connect' event handler will be supplied with one argument,
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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);
doorTracking = trackDoorRunBegin(self.client);
} else {
return callback(
Errors.General(
'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();
}
);
}
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};