fix: allow files with 255 characters in filenamefix/allow-255-filenames

Align with Linux length limit instead of arbitrary 250 characters.
Migration should not be too expensive as only the metadata is updated
but no table data is touched.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/private/Files/FilenameValidator.php b/lib/private/Files/FilenameValidator.php
index b1979789ec8..e07c07a9208 100644
--- a/lib/private/Files/FilenameValidator.php
+++ b/lib/private/Files/FilenameValidator.php
@@ -180,9 +180,9 @@ class FilenameValidator implements IFilenameValidator {
 			throw new InvalidDirectoryException($this->l10n->t('Dot files are not allowed'));
 		}
 
-		// 255 characters is the limit on common file systems (ext/xfs)
-		// oc_filecache has a 250 char length limit for the filename
-		if (isset($filename[250])) {
+		// 255 characters is the limit on common file systems (ext/xfs) and in general on Linux.
+		// this is also the limit of oc_filecache for the filename
+		if (isset($filename[255])) {
 			throw new FileNameTooLongException();
 		}