132 lines
5.0 KiB
JavaScript
132 lines
5.0 KiB
JavaScript
/* 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 SSHClient = require('ssh2').Client;
|
|
|
|
exports.moduleInfo = {
|
|
name : 'DoorParty',
|
|
desc : 'DoorParty Access Module',
|
|
author : 'NuSkooler',
|
|
};
|
|
|
|
exports.getModule = class DoorPartyModule extends MenuModule {
|
|
constructor(options) {
|
|
super(options);
|
|
|
|
// establish defaults
|
|
this.config = options.menuConfig.config;
|
|
this.config.host = this.config.host || 'dp.throwbackbbs.com';
|
|
this.config.sshPort = this.config.sshPort || 2022;
|
|
this.config.rloginPort = this.config.rloginPort || 513;
|
|
}
|
|
|
|
initSequence() {
|
|
let clientTerminated;
|
|
const self = this;
|
|
|
|
async.series(
|
|
[
|
|
function validateConfig(callback) {
|
|
if(!_.isString(self.config.username)) {
|
|
return callback(new Error('Config requires "username"!'));
|
|
}
|
|
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 establishSecureConnection(callback) {
|
|
self.client.term.write(resetScreen());
|
|
self.client.term.write('Connecting to DoorParty, please wait...\n');
|
|
|
|
const sshClient = new SSHClient();
|
|
|
|
let pipeRestored = false;
|
|
let pipedStream;
|
|
const restorePipe = function() {
|
|
if(pipedStream && !pipeRestored && !clientTerminated) {
|
|
self.client.term.output.unpipe(pipedStream);
|
|
self.client.term.output.resume();
|
|
}
|
|
};
|
|
|
|
sshClient.on('ready', () => {
|
|
// track client termination so we can clean up early
|
|
self.client.once('end', () => {
|
|
self.client.log.info('Connection ended. Terminating DoorParty connection');
|
|
clientTerminated = true;
|
|
sshClient.end();
|
|
});
|
|
|
|
// establish tunnel for rlogin
|
|
sshClient.forwardOut('127.0.0.1', self.config.sshPort, self.config.host, self.config.rloginPort, (err, stream) => {
|
|
if(err) {
|
|
return callback(new Error('Failed to establish tunnel'));
|
|
}
|
|
|
|
//
|
|
// Send rlogin
|
|
// DoorParty wants the "server username" portion to be in the format of [BBS_TAG]USERNAME, e.g.
|
|
// [XA]nuskooler
|
|
//
|
|
const rlogin = `\x00${self.client.user.username}\x00[${self.config.bbsTag}]${self.client.user.username}\x00${self.client.term.termType}\x00`;
|
|
stream.write(rlogin);
|
|
|
|
pipedStream = stream; // :TODO: this is hacky...
|
|
self.client.term.output.pipe(stream);
|
|
|
|
stream.on('data', d => {
|
|
// :TODO: we should just pipe this...
|
|
self.client.term.rawWrite(d);
|
|
});
|
|
|
|
stream.on('close', () => {
|
|
restorePipe();
|
|
sshClient.end();
|
|
});
|
|
});
|
|
});
|
|
|
|
sshClient.on('error', err => {
|
|
self.client.log.info(`DoorParty SSH client error: ${err.message}`);
|
|
});
|
|
|
|
sshClient.on('close', () => {
|
|
restorePipe();
|
|
callback(null);
|
|
});
|
|
|
|
sshClient.connect( {
|
|
host : self.config.host,
|
|
port : self.config.sshPort,
|
|
username : self.config.username,
|
|
password : self.config.password,
|
|
});
|
|
|
|
// note: no explicit callback() until we're finished!
|
|
}
|
|
],
|
|
err => {
|
|
if(err) {
|
|
self.client.log.warn( { error : err.message }, 'DoorParty error');
|
|
}
|
|
|
|
// if the client is stil here, go to previous
|
|
if(!clientTerminated) {
|
|
self.prevMenu();
|
|
}
|
|
}
|
|
);
|
|
}
|
|
};
|