142 lines
3.4 KiB
JavaScript
142 lines
3.4 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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{
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console.error("Use: node bin/checkPad.js $PADID");
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process.exit(1);
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}
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//get the padID
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var padId = process.argv[2];
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//initialize the variables
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var db, settings, padManager;
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var npm = require("../src/node_modules/npm");
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var async = require("../src/node_modules/async");
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var Changeset = require("ep_etherpad-lite/static/js/Changeset");
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async.series([
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//load npm
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function(callback) {
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npm.load({}, function(er) {
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callback(er);
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})
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},
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//load modules
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function(callback) {
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settings = require('../src/node/utils/Settings');
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db = require('../src/node/db/DB');
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//initialize the database
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db.init(callback);
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},
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//get the pad
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function (callback)
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{
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padManager = require('../src/node/db/PadManager');
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padManager.doesPadExists(padId, function(err, exists)
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{
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if(!exists)
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{
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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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padManager.getPad(padId, function(err, _pad)
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{
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pad = _pad;
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callback(err);
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});
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});
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},
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function (callback)
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{
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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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//run trough all key revisions
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async.forEachSeries(keyRevisions, function(keyRev, callback)
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{
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//create an array of revisions we need till the next keyRevision or the End
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var revisionsNeeded = [];
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for(var i=keyRev;i<=keyRev+100 && i<=head; i++)
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{
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revisionsNeeded.push(i);
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}
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//this array will hold all revision changesets
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var revisions = [];
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//run trough all needed revisions and get them from the database
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async.forEach(revisionsNeeded, function(revNum, callback)
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{
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db.db.get("pad:"+padId+":revs:" + revNum, function(err, revision)
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{
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revisions[revNum] = revision;
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callback(err);
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});
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}, function(err)
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{
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if(err)
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{
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callback(err);
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return;
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}
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//check if the pad has a pool
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if(pad.pool === undefined )
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{
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console.error("Attribute pool is missing");
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process.exit(1);
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}
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//check if there is an atext in the keyRevisions
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if(revisions[keyRev] === undefined || revisions[keyRev].meta === undefined || revisions[keyRev].meta.atext === undefined)
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{
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console.error("No atext in key revision " + keyRev);
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callback();
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return;
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}
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var apool = pad.pool;
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var atext = revisions[keyRev].meta.atext;
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for(var i=keyRev+1;i<=keyRev+100 && i<=head; i++)
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{
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try
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{
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//console.log("check revision " + i);
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var cs = revisions[i].changeset;
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atext = Changeset.applyToAText(cs, atext, apool);
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}
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catch(e)
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{
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console.error("Bad changeset at revision " + i + " - " + e.message);
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callback();
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return;
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}
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}
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callback();
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});
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}, callback);
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}
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], function (err)
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{
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if(err) throw err;
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else
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{
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console.log("finished");
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process.exit(0);
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}
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});
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