FAST Search & Transfer Image

import magic
# Libmagic does not contain definitions for this proprietary streaming format and will likely fall back to 'application/octet-stream'
print(magic.from_file('legacy_media.fst', mime=True))

const mime = require('mime');
// Standard JS MIME libraries map .fst to image/vnd.fst purely based on the historical IANA registry string match
console.log(mime.getType('legacy_media.fst')); // Likely outputs 'image/vnd.fst'

import "net/http"
// The standard net/http library cannot detect FST files internally via byte sniffing. You must rely on extension string matching.

$mime = mime_content_type('legacy_media.fst');
echo $mime; // Standard server environments will map this to application/octet-stream