etherpad-lite/bin/extractPadData.js
2020-11-24 20:06:12 +00:00

75 lines
2 KiB
JavaScript

/*
* This is a debug tool. It helps to extract all datas of a pad and move it from
* a productive environment and to a develop environment to reproduce bugs
* there. It outputs a dirtydb file
*/
if (process.argv.length != 3) {
console.error('Use: node extractPadData.js $PADID');
process.exit(1);
}
// get the padID
const padId = process.argv[2];
const npm = require('../src/node_modules/npm');
npm.load({}, async (er) => {
if (er) {
console.error(`Could not load NPM: ${er}`);
process.exit(1);
}
try {
// initialize database
const settings = require('../src/node/utils/Settings');
const db = require('../src/node/db/DB');
await db.init();
// load extra modules
const dirtyDB = require('../src/node_modules/dirty');
const padManager = require('../src/node/db/PadManager');
const util = require('util');
// initialize output database
const dirty = dirtyDB(`${padId}.db`);
// Promise wrapped get and set function
const wrapped = db.db.db.wrappedDB;
const get = util.promisify(wrapped.get.bind(wrapped));
const set = util.promisify(dirty.set.bind(dirty));
// array in which required key values will be accumulated
const neededDBValues = [`pad:${padId}`];
// get the actual pad object
const pad = await padManager.getPad(padId);
// add all authors
neededDBValues.push(...pad.getAllAuthors().map((author) => `globalAuthor:${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}`);
}
for (const dbkey of neededDBValues) {
let dbvalue = await get(dbkey);
if (dbvalue && typeof dbvalue !== 'object') {
dbvalue = JSON.parse(dbvalue);
}
await set(dbkey, dbvalue);
}
console.log('finished');
process.exit(0);
} catch (er) {
console.error(er);
process.exit(1);
}
});