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issue #2390 avoid generating duplicate paths during upload

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plegall
2025-07-15 14:14:42 +02:00
parent b6459958f0
commit 798f30ea51
1 changed files with 11 additions and 1 deletions
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12
admin/include/functions_upload.inc.php
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@@ -227,7 +227,7 @@ SELECT
// compute file path
$date_string = preg_replace('/[^\d]/', '', $dbnow);
$random_string = substr($md5sum, 0, 8);
$random_string = substr($md5sum, 0, 4).'%s';
$filename_wo_ext = $date_string.'-'.$random_string;
$file_path = $upload_dir.'/'.$filename_wo_ext.'.';
@@ -270,6 +270,16 @@ SELECT
}
prepare_directory($upload_dir);
$file_path_pattern = $file_path;
do
{
// we generate a random string for each upload. If the user uploads
// the same photo twice at the same time (same timestamp, same md5sum)
// we still want the path to be unique.
$file_path = sprintf($file_path_pattern, substr(bin2hex(random_bytes(4)), 0, 4));
}
while (file_exists($file_path));
}
if (is_uploaded_file($source_filepath))