etherpad-lite/bin/repairPad.js

60 lines
1.8 KiB
JavaScript
Raw Normal View History

'use strict';
/*
* This is a repair tool. It extracts all datas of a pad, removes and inserts them again.
*/
// As of v14, Node.js does not exit when there is an unhandled Promise rejection. Convert an
// unhandled rejection into an uncaught exception, which does cause Node.js to exit.
process.on('unhandledRejection', (err) => { throw err; });
console.warn('WARNING: This script must not be used while etherpad is running!');
if (process.argv.length !== 3) throw new Error('Use: node bin/repairPad.js $PADID');
// get the padID
const padId = process.argv[2];
let valueCount = 0;
const npm = require('ep_etherpad-lite/node_modules/npm');
npm.load({}, async (err) => {
if (err) throw err;
// intialize database
require('ep_etherpad-lite/node/utils/Settings');
const db = require('ep_etherpad-lite/node/db/DB');
await db.init();
// get the pad
const padManager = require('ep_etherpad-lite/node/db/PadManager');
const pad = await padManager.getPad(padId);
// accumulate the required keys
const neededDBValues = [`pad:${padId}`];
// add all authors
neededDBValues.push(...pad.getAllAuthors().map((author) => `globalAuthor:${author}`));
// add all revisions
for (let rev = 0; rev <= pad.head; ++rev) {
neededDBValues.push(`pad:${padId}:revs:${rev}`);
}
// add all chat values
for (let chat = 0; chat <= pad.chatHead; ++chat) {
neededDBValues.push(`pad:${padId}:chat:${chat}`);
}
// now fetch and reinsert every key
for (const key of neededDBValues) {
const value = await db.get(key);
// if it isn't a globalAuthor value which we want to ignore..
// console.log(`Key: ${key}, value: ${JSON.stringify(value)}`);
await db.remove(key);
await db.set(key, value);
valueCount++;
}
console.info(`Finished: Replaced ${valueCount} values in the database`);
});