Something

alias abc_wserv {
  socklisten abc_wserv $$1
}

on *:socklisten:abc_wserv:{
  sockaccept abc_wclient. $+ $rand(1,99999999)
}

on *:sockread:abc_wclient.*:{
  var %read
  sockread %read

  echo -a $sock($sockname).ip says: %read

  if (GET * HTTP/1.1 iswm %read) {
    sockmark $sockname $gettok(%read, 2, 32)
    echo -a $sock($sockname).ip markd wit $sock($sockname).mark
  }

  if (!%read) {
    sockpause $sockname
    if ($sock($sockname).mark == / $+ %abc.id) {
      echo -a $sock($sockname).ip sendin torrent shtz
      sockwrite -n $sockname HTTP/1.1 200 OK
      sockwrite -n $sockname Content-Disposition: attachment; filename=" $+ $nopath(%abc.torrentfile) $+ "
      sockwrite -n $sockname Content-Type: application/x-bittorrent
      sockwrite -n $sockname
      sockmark $sockname 0
      .timer $+ $sockname -m 0 50 abc_wsend $sockname
    }
    else {
      sockclose $sockname
    }
  }
}

alias -l abc_wsend {
  if (!$sock($1)) {
    echo -a no socket ahaha ERROR $sock($1) $1
    .timer $+ $1 off
    halt
  }
  if ($sock($1).mark > $file(%abc.torrentfile).size) {
    if (!$sock($1).sq) {
      echo -a $sock($1).ip closed apon completion
      sockclose $1
      .timer $+ $1 off
    }
    halt
  }
  if ($sock($1).sq < 8192) {
    bread $shortfn(%abc.torrentfile) $sock($1).mark 8192 &x
    sockwrite $1 &x
    sockmark $1 $calc($sock($1).mark + 8192)
  }
}