Is the Joomla Archive Class and Adapaters able to extract this?
use Joomla\Archive\Archive;
$file = 'möp.zip';
$archive = new Archive;
$result = $archive->extract($file, $tmp_directory);
Getting this:
0 Unable to open archive
Call stack
# Function Location
1 () JROOT\libraries\vendor\joomla\archive\src\Zip.php:282
2 Joomla\Archive\Zip->extractNative() JROOT\libraries\vendor\joomla\archive\src\Zip.php:168
3 Joomla\Archive\Zip->extract() JROOT\libraries\vendor\joomla\archive\src\Archive.php:80