14ae2ee950
From https://github.com/ether/etherpad-lite/pull/3717#issuecomment-602179127 > Afaik I used async / await that's pretty much all, I think I had to do some > polish because something was broken, remember stuff like pad.getPadAuthors was > b0rked in 1.7 or so
120 lines
3.6 KiB
JavaScript
120 lines
3.6 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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var expect = require('expect.js')
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var diff = require('diff')
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var async = require('async')
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let npm = require('../src/node_modules/npm');
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var async = require("ep_etherpad-lite/node_modules/async");
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var Changeset = require("ep_etherpad-lite/static/js/Changeset");
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npm.load({}, async function() {
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try {
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// initialize database
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let settings = require('../src/node/utils/Settings');
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let db = require('../src/node/db/DB');
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await db.init();
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// load modules
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let Changeset = require('ep_etherpad-lite/static/js/Changeset');
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let padManager = require('../src/node/db/PadManager');
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let 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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let 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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var head = pad.getHeadRevisionNumber();
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var keyRevisions = [];
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for(var i=0;i<head;i+=100)
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{
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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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var revisions = [];
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for(var i=0;i<=head;i++)
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{
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revisions.push(i);
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}
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var atext = Changeset.makeAText("\n")
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//run trough all revisions
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async.forEachSeries(revisions, function(revNum, callback)
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{
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//console.log('Fetching', revNum)
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db.db.get("pad:"+padId+":revs:" + revNum, function(err, revision)
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{
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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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var cs = revision.changeset;
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atext = Changeset.applyToAText(cs, atext, pad.pool);
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}
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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(function(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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}, function(er) {
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if(pad.atext.text == atext.text) console.log('ok')
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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(function(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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