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ImportEtherpad: Don't make any changes if data is bad

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This commit is contained in:
Richard Hansen 2021-11-26 01:35:02 -05:00
parent a2e77a7128
commit 23f8a12922
2 changed files with 22 additions and 2 deletions
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14
src/node/utils/ImportEtherpad.js
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@ -47,6 +47,11 @@ exports.setPadRaw = async (padId, r) => {
if (originalPadId !== padId) throw new Error('unexpected pad ID in record');
};
// First validate and transform values. Do not commit any records to the database yet in case
// there is a problem with the data.
const dbRecords = new Map();
const existingAuthors = new Set();
await Promise.all(Object.entries(records).map(async ([key, value]) => {
if (!value) {
return;
@ -62,7 +67,7 @@ exports.setPadRaw = async (padId, r) => {
}
checkOriginalPadId(value.padIDs);
if (await authorManager.doesAuthorExist(id)) {
await authorManager.addPad(id, padId);
existingAuthors.add(id);
return;
}
value.padIDs = {[padId]: 1};
@ -79,11 +84,16 @@ exports.setPadRaw = async (padId, r) => {
logger.warn(`(pad ${padId}) Ignoring record with unsupported key: ${key}`);
return;
}
await db.set(key, value);
dbRecords.set(key, value);
}));
if (unsupportedElements.size) {
logger.warn('Ignoring unsupported elements (you might want to install a plugin): ' +
`${[...unsupportedElements].join(', ')}`);
}
await Promise.all([
...[...dbRecords].map(async ([k, v]) => await db.set(k, v)),
...[...existingAuthors].map(async (authorId) => await authorManager.addPad(authorId, padId)),
]);
};