Ignore entries in __MACOSX folder when importing zip archive (#33147)

GitOrigin-RevId: e990d593d96085e13a209d4155823097b0814276
This commit is contained in:
Alf Eaton
2026-05-20 08:06:40 +00:00
committed by Copybot
parent efab968153
commit 7eed283b11
2 changed files with 148 additions and 10 deletions
@@ -13,8 +13,9 @@ import {
EmptyZipFileError,
ZipContentsTooLargeError,
} from './ArchiveErrors.mjs'
import FileTypeManager from './FileTypeManager.mjs'
const ONE_MEG = 1024 * 1024
const MAX_UNCOMPRESSED_BYTES = 1024 * 1024 * 300 // 300MB
/**
* Check if a zip entry's file path is safe and return the destination path.
@@ -69,34 +70,55 @@ function _isZipTooLarge(source) {
return done(new InvalidZipFileError().withCause(err))
}
// Initial rejection of pathological zips without enumerating the central directory.
// The per-entry check below applies the real limit after filtering out ignored files.
if (
Settings.maxEntitiesPerProject != null &&
zipfile.entryCount > Settings.maxEntitiesPerProject
Number.isFinite(Settings.maxEntitiesPerProject) &&
zipfile.entryCount > Settings.maxEntitiesPerProject * 10
) {
zipfile.close()
return done(null, true) // too many files in zip file
return done(null, true)
}
let totalSizeInBytes = null
let projectEntryCount = 0
zipfile.on('error', err => done(err))
// read all the entries
zipfile.readEntry()
zipfile.on('entry', entry => {
totalSizeInBytes += entry.uncompressedSize
if (!FileTypeManager.shouldIgnore(entry.fileName)) {
totalSizeInBytes += entry.uncompressedSize
if (totalSizeInBytes > MAX_UNCOMPRESSED_BYTES) {
zipfile.close()
return done(null, true) // total uncompressed size too large
}
projectEntryCount++
if (
Number.isFinite(Settings.maxEntitiesPerProject) &&
projectEntryCount > Settings.maxEntitiesPerProject
) {
zipfile.close()
return done(null, true) // too many files in zip file
}
}
zipfile.readEntry()
})
// no more entries to read
zipfile.on('end', () => {
if (totalSizeInBytes == null || isNaN(totalSizeInBytes)) {
if (!Number.isFinite(totalSizeInBytes)) {
logger.warn(
{ source, totalSizeInBytes },
'error getting bytes of zip'
)
return done(new InvalidZipFileError({ info: { totalSizeInBytes } }))
}
done(null, totalSizeInBytes > ONE_MEG * 300)
done(null, false)
})
})
})
@@ -121,6 +143,10 @@ function _extractZipFiles(source, destination) {
let entryFileCount = 0
zipfile.on('entry', entry => {
if (FileTypeManager.shouldIgnore(entry.fileName)) {
return zipfile.readEntry()
}
let destFile
try {
destFile = _checkFilePath(entry, destination)