ad0296addf
* createMessageUuidAlternate(): Mmethod for FTN message v5 UUID generation when no MSGID to work with * parseAbbreviatedNetNodeList() now works properly * Add core/uuid_util.js for various UUID utilities such as v5 named UUID generation * Fix message meta load/retrieval * Add lookup for REPLY kludge -> MSGID -> local reply IDs * Fix SEEN-BY additions @ export * Don't override MSGIDs if they already exist * Store MSGID @ export so it can be inspected later * Add import functionality (working, but WIP!) * Clean up bundles and packets after import
41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
/* jslint node: true */
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'use strict';
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let uuid = require('node-uuid');
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let assert = require('assert');
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let _ = require('lodash');
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let createHash = require('crypto').createHash;
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exports.createNamedUUID = createNamedUUID;
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function createNamedUUID(namespaceUuid, key) {
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//
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// v5 UUID generation code based on the work here:
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// https://github.com/download13/uuidv5/blob/master/uuid.js
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//
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if(!Buffer.isBuffer(namespaceUuid)) {
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namespaceUuid = new Buffer(namespaceUuid);
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}
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if(!Buffer.isBuffer(key)) {
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key = new Buffer(key);
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}
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let digest = createHash('sha1').update(
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Buffer.concat( [ namespaceUuid, key ] )).digest();
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let u = new Buffer(16);
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// bbbb - bb - bb - bb - bbbbbb
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digest.copy(u, 0, 0, 4); // time_low
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digest.copy(u, 4, 4, 6); // time_mid
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digest.copy(u, 6, 6, 8); // time_hi_and_version
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u[6] = (u[6] & 0x0f) | 0x50; // version, 4 most significant bits are set to version 5 (0101)
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u[8] = (digest[8] & 0x3f) | 0x80; // clock_seq_hi_and_reserved, 2msb are set to 10
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u[9] = digest[9];
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digest.copy(u, 10, 10, 16);
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return u;
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} |