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Merge pull request #59597 from nextcloud/fix/s3_repeating_delimiter

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fix(s3): ignore prefixes with repeating delimiters
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Kent Delante 2026-04-22 17:30:55 +08:00 committed by GitHub
commit fdfcc004dd
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6
apps/files_external/lib/Lib/Storage/AmazonS3.php
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@ -608,6 +608,12 @@ class AmazonS3 extends Common {
// sub folders
if (is_array($result['CommonPrefixes'])) {
foreach ($result['CommonPrefixes'] as $prefix) {
if (preg_match('/\/{2,}$/', $prefix['Prefix'])) {
$this->logger->warning('Detected a repeating delimiter in prefix \'' . $prefix['Prefix']
. '\'. This is unsupported and its contents have been ignored.');
continue;
}
$dir = $this->getDirectoryMetaData($prefix['Prefix']);
if ($dir) {
yield $dir;