pad.pub0.org/bin/extractPadData.js

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/*
* 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
*/
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if (process.argv.length != 3) {
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console.error("Use: node extractPadData.js $PADID");
process.exit(1);
}
// get the padID
let padId = process.argv[2];
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let npm = require('../src/node_modules/npm');
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npm.load({}, async function(er) {
if (er) {
console.error("Could not load NPM: " + er)
process.exit(1);
}
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try {
// initialize database
let settings = require('../src/node/utils/Settings');
let db = require('../src/node/db/DB');
await db.init();
// load extra modules
let dirtyDB = require('../src/node_modules/dirty');
let padManager = require('../src/node/db/PadManager');
let util = require('util');
// initialize output database
let dirty = dirtyDB(padId + '.db');
// Promise wrapped get and set function
let wrapped = db.db.db.wrappedDB;
let get = util.promisify(wrapped.get.bind(wrapped));
let set = util.promisify(dirty.set.bind(dirty));
// array in which required key values will be accumulated
let neededDBValues = ['pad:' + padId];
// get the actual pad object
let 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);
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}
// add all chat values
for (let chat = 0; chat <= pad.chatHead; ++chat) {
neededDBValues.push('pad:' + padId + ':chat:' + chat);
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}
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for (let 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);
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}
});