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Pad: Add strict validation checks

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Richard Hansen 2021-11-27 03:37:34 -05:00
parent 2608a81654
commit 7c870f8a58
5 changed files with 166 additions and 238 deletions
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68
src/bin/checkPad.js
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@ -8,75 +8,13 @@
process.on('unhandledRejection', (err) => { throw err; });
if (process.argv.length !== 3) throw new Error('Use: node src/bin/checkPad.js $PADID');
// get the padID
const padId = process.argv[2];
let checkRevisionCount = 0;
(async () => {
// initialize database
require('../node/utils/Settings');
const db = require('../node/db/DB');
await db.init();
// load modules
const Changeset = require('../static/js/Changeset');
const padManager = require('../node/db/PadManager');
const exists = await padManager.doesPadExists(padId);
if (!exists) throw new Error('Pad does not exist');
// get the pad
if (!await padManager.doesPadExists(padId)) throw new Error('Pad does not exist');
const pad = await padManager.getPad(padId);
// create an array with key revisions
// key revisions always save the full pad atext
const head = pad.getHeadRevisionNumber();
const keyRevisions = [];
for (let rev = 0; rev < head; rev += 100) {
keyRevisions.push(rev);
}
// run through all key revisions
for (let keyRev of keyRevisions) {
keyRev = parseInt(keyRev);
// create an array of revisions we need till the next keyRevision or the End
const revisionsNeeded = [];
for (let rev = keyRev; rev <= keyRev + 100 && rev <= head; rev++) {
revisionsNeeded.push(rev);
}
// this array will hold all revision changesets
const revisions = [];
// run through all needed revisions and get them from the database
for (const revNum of revisionsNeeded) {
const revision = await db.get(`pad:${padId}:revs:${revNum}`);
revisions[revNum] = revision;
}
// check if the pad has a pool
if (pad.pool == null) throw new Error('Attribute pool is missing');
// check if there is an atext in the keyRevisions
let {meta: {atext} = {}} = revisions[keyRev] || {};
if (atext == null) {
console.error(`No atext in key revision ${keyRev}`);
continue;
}
const apool = pad.pool;
for (let rev = keyRev + 1; rev <= keyRev + 100 && rev <= head; rev++) {
checkRevisionCount++;
try {
const cs = revisions[rev].changeset;
atext = Changeset.applyToAText(cs, atext, apool);
} catch (e) {
console.error(`Bad changeset at revision ${rev} - ${e.message}`);
continue;
}
}
console.log(`Finished: Checked ${checkRevisionCount} revisions`);
}
await pad.check();
console.log('Finished.');
})();