nntp: remove DISABLED hash checks

Before I figured out the long_response API, I figured there'd
be expensive, process-monopolizing commands which admins might
want to disable.  Nearly 4 years later, we've never needed it
and running a server without commands such as OVER/XOVER is
unimaginable.

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 26bc679f2996b67e0008b8f90bfb1a1d9732521f..57a67a50ff8475f1882a4aa6a90aa2e477c1d4cc 100644 (file)
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -32,9 +32,6 @@ my $OVERVIEW_FMT = join(":\r\n", @OVERVIEW, qw(Bytes Lines)) . ":\r\n";
 my $LIST_HEADERS = join("\r\n", @OVERVIEW,
                        qw(:bytes :lines Xref To Cc)) . "\r\n";
 
-# disable commands with easy DoS potential:
-my %DISABLED; # = map { $_ => 1 } qw(xover list_overview_fmt newnews xhdr);
-
 my $EXPMAP; # fd -> [ idle_time, $self ]
 my $expt;
 our $EXPTIME = 180; # 3 minutes
@@ -105,10 +102,9 @@ sub process_line ($$) {
        my ($self, $l) = @_;
        my ($req, @args) = split(/[ \t]/, $l);
        return 1 unless defined($req); # skip blank line
-       $req = lc($req);
        $req = eval {
                no strict 'refs';
-               $req = $DISABLED{$req} ? undef : *{'cmd_'.$req}{CODE};
+               *{'cmd_'.lc($req)}{CODE};
        };
        return res($self, '500 command not recognized') unless $req;
        return res($self, r501) unless args_ok($req, scalar @args);
@@ -187,7 +183,6 @@ sub cmd_list ($;$$) {
                my $arg = shift @args;
                $arg =~ tr/A-Z./a-z_/;
                $arg = "list_$arg";
-               return r501 if $DISABLED{$arg};
 
                $arg = eval {
                        no strict 'refs';