Add Exodus door server support
This commit is contained in:
Bryan Ashby
parent
4b8369a41f
commit
ca45656c11
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/* jslint node: true */
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'use strict';
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// ENiGMA½
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const MenuModule = require('../core/menu_module.js').MenuModule;
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const resetScreen = require('../core/ansi_term.js').resetScreen;
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const Config = require('./config.js').config;
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const Errors = require('./enig_error.js').Errors;
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const Log = require('./logger.js').log;
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const getEnigmaUserAgent = require('./misc_util.js').getEnigmaUserAgent;
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// deps
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const async = require('async');
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const _ = require('lodash');
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const joinPath = require('path').join;
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const crypto = require('crypto');
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const moment = require('moment');
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const https = require('https');
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const querystring = require('querystring');
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const fs = require('fs');
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const SSHClient = require('ssh2').Client;
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/*
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Configuration block:
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someDoor: {
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module: exodus
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config: {
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// defaults
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ticketHost: oddnetwork.org
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ticketPort: 1984
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ticketPath: /exodus
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rejectUnauthorized: false // set to true to allow untrusted CA's (dangerous!)
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sshHost: oddnetwork.org
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sshPort: 22
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sshUser: exodus
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sshKeyPem: /path/to/enigma-bbs/misc/exodus.id_rsa
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// optional
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caPem: /path/to/cacerts.pem // see https://curl.haxx.se/docs/caextract.html
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// required
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board: XXXX
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key: XXXX
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door: some_door
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}
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}
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*/
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exports.moduleInfo = {
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name : 'Exodus',
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desc : 'Exodus Door Server Access Module - https://oddnetwork.org/exodus/',
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author : 'NuSkooler',
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};
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exports.getModule = class ExodusModule extends MenuModule {
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constructor(options) {
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super(options);
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this.config = options.menuConfig.config || {};
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this.config.ticketHost = this.config.ticketHost || 'oddnetwork.org';
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this.config.ticketPort = this.config.ticketPort || 1984,
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this.config.ticketPath = this.config.ticketPath || '/exodus';
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this.config.rejectUnauthorized = _.get(this.config, 'rejectUnauthorized', true);
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this.config.sshHost = this.config.sshHost || this.config.ticketHost;
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this.config.sshPort = this.config.sshPort || 22;
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this.config.sshUser = this.config.sshUser || 'exodus_server';
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this.config.sshKeyPem = this.config.sshKeyPem || joinPath(Config.paths.misc, 'exodus.id_rsa');
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}
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initSequence() {
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const self = this;
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let clientTerminated = false;
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async.waterfall(
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[
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function validateConfig(callback) {
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// very basic validation on optionals
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async.each( [ 'board', 'key', 'door' ], (key, next) => {
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return _.isString(self.config[key]) ? next(null) : next(Errors.MissingConfig(`Config requires "${key}"!`));
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}, callback);
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},
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function loadCertAuthorities(callback) {
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if(!_.isString(self.config.caPem)) {
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return callback(null, null);
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}
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fs.readFile(self.config.caPem, (err, certAuthorities) => {
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return callback(err, certAuthorities);
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});
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},
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function getTicket(certAuthorities, callback) {
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const now = moment.utc().unix();
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const sha256 = crypto.createHash('sha256').update(`${self.config.key}${now}`).digest('hex');
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const token = `${sha256}|${now}`;
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const postData = querystring.stringify({
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token : token,
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board : self.config.board,
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user : self.client.user.username,
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door : self.config.door,
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});
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const reqOptions = {
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hostname : self.config.ticketHost,
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port : self.config.ticketPort,
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path : self.config.ticketPath,
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rejectUnauthorized : self.config.rejectUnauthorized,
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method : 'POST',
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headers : {
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'Content-Type' : 'application/x-www-form-urlencoded',
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'Content-Length' : postData.length,
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'User-Agent' : getEnigmaUserAgent(),
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}
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};
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if(certAuthorities) {
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reqOptions.ca = certAuthorities;
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}
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let ticket = '';
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const req = https.request(reqOptions, res => {
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res.on('data', data => {
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ticket += data;
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});
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res.on('end', () => {
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if(ticket.length !== 36) {
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return callback(Errors.Invalid(`Invalid Exodus ticket: ${ticket}`));
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}
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return callback(null, ticket);
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});
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});
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req.on('error', err => {
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return callback(Errors.General(`Exodus error: ${err.message}`));
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});
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req.write(postData);
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req.end();
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},
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function loadPrivateKey(ticket, callback) {
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fs.readFile(self.config.sshKeyPem, (err, privateKey) => {
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return callback(err, ticket, privateKey);
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});
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},
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function establishSecureConnection(ticket, privateKey, callback) {
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let pipeRestored = false;
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let pipedStream;
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function restorePipe() {
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if(pipedStream && !pipeRestored && !clientTerminated) {
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self.client.term.output.unpipe(pipedStream);
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self.client.term.output.resume();
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}
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}
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self.client.term.write(resetScreen());
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self.client.term.write('Connecting to Exodus server, please wait...\n');
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const sshClient = new SSHClient();
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const shellOptions = {
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env : {
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exodus : ticket,
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}
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};
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sshClient.on('ready', () => {
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self.client.once('end', () => {
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self.client.log.info('Connection ended. Terminating Exodus connection');
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clientTerminated = true;
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return sshClient.end();
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});
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sshClient.shell(shellOptions, (err, stream) => {
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pipedStream = stream; // :TODO: ewwwwwwwww hack
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self.client.term.output.pipe(stream);
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stream.on('data', d => {
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return self.client.term.rawWrite(d);
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});
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stream.on('close', () => {
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restorePipe();
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return sshClient.end();
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});
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});
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});
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sshClient.on('close', () => {
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restorePipe();
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return callback(null);
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});
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sshClient.connect({
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host : self.config.sshHost,
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port : self.config.sshPort,
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username : self.config.sshUser,
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privateKey : privateKey,
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});
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}
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],
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err => {
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if(err) {
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self.client.log.warn( { error : err.message }, 'Exodus error');
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}
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if(!clientTerminated) {
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self.prevMenu();
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}
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}
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);
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}
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};
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@ -4,6 +4,7 @@
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let Config = require('./config.js').config;
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let Address = require('./ftn_address.js');
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let FNV1a = require('./fnv1a.js');
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const getCleanEnigmaVersion = require('./misc_util.js').getCleanEnigmaVersion;
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let _ = require('lodash');
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let iconv = require('iconv-lite');
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@ -146,11 +147,7 @@ function getMessageIdentifier(message, address) {
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// in which (<os>; <arch>; <nodeVer>) is used instead
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//
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function getProductIdentifier() {
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const version = packageJson.version
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.replace(/\-/g, '.')
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.replace(/alpha/,'a')
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.replace(/beta/,'b');
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const version = getCleanEnigmaVersion();
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const nodeVer = process.version.substr(1); // remove 'v' prefix
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return `ENiGMA1/2 ${version} (${os.platform()}; ${os.arch()}; ${nodeVer})`;
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@ -1,12 +1,17 @@
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/* jslint node: true */
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'use strict';
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var paths = require('path');
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const paths = require('path');
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const os = require('os');
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const packageJson = require('../package.json');
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exports.isProduction = isProduction;
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exports.isDevelopment = isDevelopment;
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exports.valueWithDefault = valueWithDefault;
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exports.resolvePath = resolvePath;
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exports.getCleanEnigmaVersion = getCleanEnigmaVersion;
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exports.getEnigmaUserAgent = getEnigmaUserAgent;
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function isProduction() {
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var env = process.env.NODE_ENV || 'dev';
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@ -28,3 +33,20 @@ function resolvePath(path) {
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}
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return paths.resolve(path);
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}
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function getCleanEnigmaVersion() {
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return packageJson.version
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.replace(/\-/g, '.')
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.replace(/alpha/,'a')
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.replace(/beta/,'b')
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;
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}
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// See also ftn_util.js getTearLine() & getProductIdentifier()
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function getEnigmaUserAgent() {
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// can't have 1/2 or ½ in User-Agent according to RFC 1945 :(
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const version = getCleanEnigmaVersion();
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const nodeVer = process.version.substr(1); // remove 'v' prefix
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return `ENiGMA-BBS/${version} (${os.platform()}; ${os.arch()}; ${nodeVer})`;
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}
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@ -0,0 +1,27 @@
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-----BEGIN RSA PRIVATE KEY-----
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MIIEowIBAAKCAQEAmpwn/vJ1CAIkVnQGDZumvEDsMyFSHioGO5RM/T2Id6XLX91r
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feJI6w48yqLV+HgKLUK7eeTOzb/l4VShH9AzOqTbAxwfZ6fgzV2cI/wZxO0S6QpS
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7IrwcVK1Bm7Wu45Kp7LcGHB66nHSb+wqIYkZobIc8Z9arClJxV4AzgaUxjJrk0wT
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hW81r5TicbTG7zm+bOMLO/mln+HA/EOtx/yfKDcfkl+mLzzbMpojor+KdwuKJUb1
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+r4PhPVl6pZgOuQIl37Qh5SPY3mMjwyXW/tUe+ZmPpfOm3CKf/pTLsA45QzUbNBY
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GPLjbEcMJ4R5T3c2LXCKR+Wi9/pCkeZT7/1BbQIDAQABAoIBAQCCasrKIddahAQG
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8SPSAsQo9FLJ5oeQbj6Hr1cqHueola/yE6KCs4hyzrW08JqxVwCuoSXncnyHziGp
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a2vmnAc6pqkf/G75TwEv+pClQhiyppBXB6Bfa+vai7ury39TAnoy74r9CpSEgrLS
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OlJnq3B1lvsXTiZ8Ju/Vjq/7Gk4QyFOVPugbmjhUtuCiyRXV9V2o/HUzZGtaXDp5
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n+XOfb90mLtPhtIRC6wmgMkhlRPpGir+NN0DWQ1oBWZO+TockIFusVInOTEXY4ui
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V+JJ3KRwfaogzJMnDcqkiCck6bMT8E85ucRScsJjpENsUyEjFAoRV2grbguc/rdx
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dgG5BMx5AoGBAMgCDFGwCctHfRvRXIac5goxYuTkVYjEh4yxj8d/Y+0HmDJiH5HM
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tiUAtsgq/KYKJKM9U0PJWdPW3DPJa+wDVPQSlIqUOiXEpwLA+yhXuAvTqia9chuI
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vaP1Ze/4yfW2eQg+3Ji0vC9VEr1eoRnAwJI+fDE3fRCvoPohlT4+zOhvAoGBAMXk
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ksy5DdtUOvt0wss7R030dEtHP/Hs+qheQJOhl+GLlQt5BKP6NsdM3OKXyXYLddOc
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xrKSWdjtiWOtap0D7o7cBFv44EmgzSvM2QltYxF4phPaNn2zPC/Mkvs1EaYnMtw4
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boKNDWbwixpCapheAE+lfA96DfqU/KyVaXls9MnjAoGAaL+B2ipbBsZ7BF2imrGD
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XOU+iOf4z/c1kn7P8UiLefEXSZPQOti+sCRulejFhuQbCg8tE3xZejO2Ab1Es0eP
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b4BnoSg+R9d1LGELaLaAIlmJbF6da0QzJbJ437QpeXFGdAYQHD3TrOpeNSVhNA6a
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DD2DZ3dLHbkNktKRyhaz1CsCgYBMJbIfOK4OUZEIpVs3XK4JXyFIvjfq3aduFiZ/
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KFULIuzNJ1oTxvpBImB0iLeqxqomLVN/7zTHdk/BnT9C//pR2nOK+G9FpayNSBvT
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ttXCKUyuou8I22kzc2Kzay5JYxf9CXHspl4b2D+OcTQXQUSZYTIlum+alq3LswqN
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ANIIxQKBgHauoT79sViuB/wHcp2W/mek0p9aLkgQKt+riPJ4vKXc8DtapTgQzXkk
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6yQCOSD8T9DcVGBcap9n6T21NOyDQwM0gg+DoHVeYqBrAa93jufOi7EY3MFrkjH6
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tC0crKBcUkxu43zhY4DkHLxId5btSPH57U+lhrJGjKXdvlJrGGOM
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-----END RSA PRIVATE KEY-----
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