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* FTN BSO module: Export to <domain>.<zone> dirs where appropriate

Browse source 
* Code cleanup
* Fix FTN packet header writing
* Add CHRS support to FTN packet I/O
* Change to FNV-1a hash of ms since 2016-1-1 ("enigma epoc") + message ID for MSGID serial number and <packet>.pkt BSO export
* Only write some FTN kludges for EchoMail (vs NetMail)
* If config specifies, call message network modoule(s) .record() method @ persist (WIP)
This commit is contained in:
Bryan Ashby 2016-02-20 17:57:38 -07:00
parent 75698f62af
commit a858a93ee1
9 changed files with 413 additions and 322 deletions
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115
core/ftn_util.js
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@ -1,24 +1,26 @@
/* jslint node: true */
'use strict';
var Config = require('./config.js').config;
var Address = require('./ftn_address.js');
let Config = require('./config.js').config;
let Address = require('./ftn_address.js');
let FNV1a = require('./fnv1a.js');
var _ = require('lodash');
var assert = require('assert');
var binary = require('binary');
var fs = require('fs');
var util = require('util');
var iconv = require('iconv-lite');
var moment = require('moment');
var createHash = require('crypto').createHash;
var uuid = require('node-uuid');
var os = require('os');
let _ = require('lodash');
let assert = require('assert');
let binary = require('binary');
let fs = require('fs');
let util = require('util');
let iconv = require('iconv-lite');
let moment = require('moment');
let createHash = require('crypto').createHash;
let uuid = require('node-uuid');
let os = require('os');
var packageJson = require('../package.json');
let packageJson = require('../package.json');
// :TODO: Remove "Ftn" from most of these -- it's implied in the module
exports.stringToNullPaddedBuffer = stringToNullPaddedBuffer;
exports.getMessageSerialNumber = getMessageSerialNumber;
exports.createMessageUuid = createMessageUuid;
exports.getDateFromFtnDateTime = getDateFromFtnDateTime;
exports.getDateTimeString = getDateTimeString;
@ -34,6 +36,9 @@ exports.parseAbbreviatedNetNodeList = parseAbbreviatedNetNodeList;
exports.getUpdatedSeenByEntries = getUpdatedSeenByEntries;
exports.getUpdatedPathEntries = getUpdatedPathEntries;
exports.getCharacterSetIdentifierByEncoding = getCharacterSetIdentifierByEncoding;
exports.getEncodingFromCharacterSetIdentifier = getEncodingFromCharacterSetIdentifier;
exports.getQuotePrefix = getQuotePrefix;
//
@ -134,8 +139,11 @@ function createMessageUuid(ftnMsgId, ftnArea) {
}
function getMessageSerialNumber(message) {
return ('00000000' + ((Math.floor((Date.now() - Date.UTC(2016, 1, 1)) / 1000) +
message.messageId)).toString(16)).substr(-8);
const msSinceEnigmaEpoc = (Date.now() - Date.UTC(2016, 1, 1));
const hash = Math.abs(new FNV1a(msSinceEnigmaEpoc + message.messageId).value).toString(16);
return `00000000${hash}`.substr(-8);
// return ('00000000' + ((Math.floor((Date.now() - Date.UTC(2016, 1, 1)) / 1000) +
// message.messageId)).toString(16)).substr(-8);
}
//
@ -236,7 +244,8 @@ function getOrigin(address) {
}
function getTearLine() {
return `--- ENiGMA 1/2 v{$packageJson.version} (${os.platform()}; ${os.arch()}; ${nodeVer})`;
const nodeVer = process.version.substr(1); // remove 'v' prefix
return `--- ENiGMA 1/2 v${packageJson.version} (${os.platform()}; ${os.arch()}; ${nodeVer})`;
}
//
@ -363,3 +372,77 @@ function getUpdatedPathEntries(existingEntries, localAddress) {
return existingEntries;
}
//
// Return FTS-5000.001 "CHRS" value
// http://ftsc.org/docs/fts-5003.001
//
const ENCODING_TO_FTS_5003_001_CHARS = {
// level 1 - generally should not be used
ascii : [ 'ASCII', 1 ],
'us-ascii' : [ 'ASCII', 1 ],
// level 2 - 8 bit, ASCII based
cp437 : [ 'CP437', 2 ],
cp850 : [ 'CP850', 2 ],
// level 3 - reserved
// level 4
utf8 : [ 'UTF-8', 4 ],
'utf-8' : [ 'UTF-8', 4 ],
};
function getCharacterSetIdentifierByEncoding(encodingName) {
const value = ENCODING_TO_FTS_5003_001_CHARS[encodingName.toLowerCase()];
return value ? `${value[0]} ${value[1]}` : encodingName.toUpperCase();
}
function getEncodingFromCharacterSetIdentifier(chrs) {
const ident = chrs.split(' ')[0].toUpperCase();
// :TODO: fill in the rest!!!
return {
// level 1
'ASCII' : 'iso-646-1',
'DUTCH' : 'iso-646',
'FINNISH' : 'iso-646-10',
'FRENCH' : 'iso-646',
'CANADIAN' : 'iso-646',
'GERMAN' : 'iso-646',
'ITALIAN' : 'iso-646',
'NORWEIG' : 'iso-646',
'PORTU' : 'iso-646',
'SPANISH' : 'iso-656',
'SWEDISH' : 'iso-646-10',
'SWISS' : 'iso-646',
'UK' : 'iso-646',
'ISO-10' : 'iso-646-10',
// level 2
'CP437' : 'cp437',
'CP850' : 'cp850',
'CP852' : 'cp852',
'CP866' : 'cp866',
'CP848' : 'cp848',
'CP1250' : 'cp1250',
'CP1251' : 'cp1251',
'CP1252' : 'cp1252',
'CP10000' : 'macroman',
'LATIN-1' : 'iso-8859-1',
'LATIN-2' : 'iso-8859-2',
'LATIN-5' : 'iso-8859-9',
'LATIN-9' : 'iso-8859-15',
// level 4
'UTF-8' : 'utf8',
// deprecated stuff
'IBMPC' : 'cp1250', // :TODO: validate
'+7_FIDO' : 'cp866',
'+7' : 'cp866',
'MAC' : 'macroman', // :TODO: validate
}[ident];
}