112 lines
3.5 KiB
JavaScript
112 lines
3.5 KiB
JavaScript
/*
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* This is a debug tool. It checks all revisions for data corruption
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*/
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if (process.argv.length != 3) {
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console.error('Use: node bin/checkPadDeltas.js $PADID');
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process.exit(1);
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}
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// get the padID
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const padId = process.argv[2];
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// load and initialize NPM;
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const expect = require('expect.js');
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const diff = require('diff');
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var async = require('async');
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const npm = require('../src/node_modules/npm');
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var async = require('ep_etherpad-lite/node_modules/async');
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const Changeset = require('ep_etherpad-lite/static/js/Changeset');
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npm.load({}, async () => {
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try {
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// initialize database
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const settings = require('../src/node/utils/Settings');
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const db = require('../src/node/db/DB');
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await db.init();
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// load modules
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const Changeset = require('ep_etherpad-lite/static/js/Changeset');
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const padManager = require('../src/node/db/PadManager');
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const exists = await padManager.doesPadExists(padId);
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if (!exists) {
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console.error('Pad does not exist');
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process.exit(1);
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}
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// get the pad
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const pad = await padManager.getPad(padId);
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// create an array with key revisions
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// key revisions always save the full pad atext
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const head = pad.getHeadRevisionNumber();
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const keyRevisions = [];
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for (var i = 0; i < head; i += 100) {
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keyRevisions.push(i);
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}
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// create an array with all revisions
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const revisions = [];
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for (var i = 0; i <= head; i++) {
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revisions.push(i);
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}
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let atext = Changeset.makeAText('\n');
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// run trough all revisions
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async.forEachSeries(revisions, (revNum, callback) => {
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// console.log('Fetching', revNum)
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db.db.get(`pad:${padId}:revs:${revNum}`, (err, revision) => {
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if (err) return callback(err);
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// check if there is a atext in the keyRevisions
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if (~keyRevisions.indexOf(revNum) && (revision === undefined || revision.meta === undefined || revision.meta.atext === undefined)) {
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console.error(`No atext in key revision ${revNum}`);
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callback();
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return;
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}
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try {
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// console.log("check revision ", revNum);
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const cs = revision.changeset;
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atext = Changeset.applyToAText(cs, atext, pad.pool);
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} catch (e) {
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console.error(`Bad changeset at revision ${revNum} - ${e.message}`);
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callback();
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return;
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}
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if (~keyRevisions.indexOf(revNum)) {
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try {
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expect(revision.meta.atext.text).to.eql(atext.text);
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expect(revision.meta.atext.attribs).to.eql(atext.attribs);
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} catch (e) {
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console.error(`Atext in key revision ${revNum} doesn't match computed one.`);
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console.log(diff.diffChars(atext.text, revision.meta.atext.text).map((op) => { if (!op.added && !op.removed) op.value = op.value.length; return op; }));
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// console.error(e)
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// console.log('KeyRev. :', revision.meta.atext)
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// console.log('Computed:', atext)
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callback();
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return;
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}
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}
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setImmediate(callback);
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});
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}, (er) => {
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if (pad.atext.text == atext.text) { console.log('ok'); } else {
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console.error('Pad AText doesn\'t match computed one! (Computed ', atext.text.length, ', db', pad.atext.text.length, ')');
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console.log(diff.diffChars(atext.text, pad.atext.text).map((op) => { if (!op.added && !op.removed) op.value = op.value.length; return op; }));
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}
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callback(er);
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});
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process.exit(0);
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} catch (e) {
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console.trace(e);
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process.exit(1);
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}
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});
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