49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
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import { Meteor } from 'meteor/meteor';
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import Logger from '/imports/startup/server/logger';
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const ETHERPAD = Meteor.settings.private.etherpad;
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const BASE_URL = `http://${ETHERPAD.host}:${ETHERPAD.port}/api/${ETHERPAD.version}`;
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/**
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* Calculate a 32 bit FNV-1a hash
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* Found here: https://gist.github.com/vaiorabbit/5657561
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* Ref.: http://isthe.com/chongo/tech/comp/fnv/
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*
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* @param {string} str the input value
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* @param {boolean} [asString=false] set to true to return the hash value as
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* 8-digit hex string instead of an integer
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* @param {integer} [seed] optionally pass the hash of the previous chunk
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* @returns {integer | string}
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*/
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const hashFNV32a = (str, asString, seed) => {
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let hval = (seed === undefined) ? 0x811c9dc5 : seed;
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for (let i = 0, l = str.length; i < l; i++) {
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hval ^= str.charCodeAt(i);
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hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
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}
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if (asString) {
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return (`0000000${(hval >>> 0).toString(16)}`).substr(-8);
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}
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return hval >>> 0;
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};
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const createPadURL = padId => {
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return `${BASE_URL}/createPad?apikey=${ETHERPAD.apikey}&padID=${padId}`;
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}
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const getReadOnlyIdURL = padId => {
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return `${BASE_URL}/getReadOnlyID?apikey=${ETHERPAD.apikey}&padID=${padId}`;
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};
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const generateNoteId = meetingId => {
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const noteId = hashFNV32a(meetingId, true);
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return noteId;
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};
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export {
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generateNoteId,
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createPadURL,
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getReadOnlyIdURL,
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};
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