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Mail - Reorganize and use same cleaning function when saving mail as infolog as for saving to VFS

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nathangray 2018-01-22 09:13:01 -07:00
parent a084094f1d
commit e3ad2ebdf0
1 changed files with 19 additions and 0 deletions
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19
api/src/Mail.php
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@ -6394,6 +6394,25 @@ class Mail
return $headdata;
}
/**
* Make the provided filename safe to store in the VFS
*
* Some characters found in subjects that cause problems if we try to put
* them as filenames (Windows) so we remove any characters that might result
* in additional directories, or issues on Windows.
*
* Under Windows the characters < > ? " : | \ / * are not allowed.
* % causes problems with VFS UI
*
* @param string $filename
* @return Cleaned filename, with problematic characters replaced with '_'.
*/
protected static function clean_subject_for_filename($filename)
{
static $filter_pattern = '$[\f\n\t\v\\:*#?<>%"\|/\\\?]$';
return preg_replace($filter_pattern, "_", trim($filename));
}
/**
* adaptSubjectForImport - strips subject from unwanted Characters, and does some normalization
* to meet expectations