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nicer file type search

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* the previous one could allow a SQL injection, since the
  `opts.filetype` value came straight from the browser

* this more precise regex match will not produce spurious
  matches (which were very unlikely, true, but still, let's be
  precise) (`video/movingimages` would have matched `%image%`!)
This commit is contained in:
dakkar 2023-10-22 13:35:11 +01:00
parent 6b3b805a3e
commit b74fd71d67
1 changed files with 12 additions and 1 deletions
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13
packages/backend/src/core/SearchService.ts
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@ -220,7 +220,18 @@ export class SearchService {
}
if (opts.filetype) {
query.andWhere(`note."attachedFileTypes"::varchar LIKE '%${opts.filetype}%'`);
// this is very ugly, but the "correct" solution would
// be `and exists (select 1 from
// unnest(note."attachedFileTypes") x(t) where t like
// :type)` and I can't find a way to get TypeORM to
// generate that; this hack works because `~*` is
// "regexp match, ignoring case" and the stringified
// version of an array of varchars (which is what
// `attachedFileTypes` is) looks like `{foo,bar}`, so
// we're looking for opts.filetype as the first half
// of a MIME type, either at start of the array (after
// the `{`) or later (after a `,`)
query.andWhere(`note."attachedFileTypes"::varchar ~* :type`, { type: `[{,]${opts.filetype}/` });
}
this.queryService.generateVisibilityQuery(query, me);