Endpoint api/geturl.php always returns .txt instead of the real file extension

[imarinoff]

Request
GET https://some-domain.com
Payload:
url: https://some-domain.com/zqgnbb.mp4 (URL encoded)
uploadcode: someuploadcode

Response:
{
"status": "ok",
"hash": "fndvdz.txt",
"url": "https://some-domain.com/fndvdz.txt",
"filetype": "text",
"delete_code": "oniqXXXXXXXczlz6uot59cahxbo0",
"delete_url": "https://some-domain.com/delete_oniqXXXXXXXczlz6uot59cahxbo0/fndvdz.txt"
}