sub ilya_proof_path {
  my ( $path ) = @_ ;
  return '' unless $path;
  my ($type, $domain, $q_string );
  ( $path, $q_string ) = split '\?', $path;
  $q_string =~ tr/\0//d if $q_string;
  1 while $path =~ s/%([0-9a-fA-F]{2})/chr hex $1/ge;
  $path =~ s!\\+!/!g;
  $path =~ s![^\w \Q-:./#\E]!!g;
  $path =~ s!\.\.*/!!g;
  $path =~ s/^\s+//g;
  $path =~ s/ +/ /g;
  $type = $1 if  $path =~ s!^(\w+):/+!!;
  $domain = $1 if $type and $type =~ m/(?:https?|ftps?)/ and $path =~ s!^([\w\.-]+)/!!;
  # tolerate win32 drive letters as a pseudo domain
  $domain = $1 if $type and $type =~ m/file/ and $path =~ s!^([A-Z]:)/!!;
  return  $path, $type, $domain, $q_string ;
}