FilePondField show existing uploads? about silverstripe-base HOT 3 CLOSED

/**
     * Set initial values to FilePondField
     * See: https://pqina.nl/filepond/docs/patterns/api/filepond-object/#setting-initial-files
     * @TODO: (especially in front-end) existing file-IDs may be spoofed which may result in unauthorized attachment of files
     * 
     * @return array
     */
    public function getExistingUploadsData()
    {
        // Both Value() & dataValue() seem to return an array eg: ['Files' => [258, 259, 257]]
        $fileIDarray = $this->Value() ?: ['Files' => []];
        if(!isset($fileIDarray['Files']) || !count($fileIDarray['Files'])) return [];

        $existingUploads = [];
        foreach($fileIDarray['Files'] as $fileID) {
            if($file = File::get()->byID($fileID)){
                $existingUploads[] = [
                    // the server file reference
                    'source' => (int) $fileID,
                    // set type to local to indicate an already uploaded file
                    'options' => [
                        'type' => 'local',
                        // file information
                        'file' => [
                            'name' => $file->Name,
                            'size' => (int) $file->getAbsoluteSize(),
                            'type' => $file->getMimeType(),
                        ]
                    ]
                ];
            }
        }

        return $existingUploads;
    }

    public function Field($properties = array())
    {
        ...
        $config = [
            ...
            'files' => $this->getExistingUploadsData(),
        ];
        ...
    }