use Digest::SHA qw(sha1_hex);
use Time::Local qw(timegm timelocal);
use PublicInbox::GitAsyncCat;
+use PublicInbox::Address;
+
use constant {
LINE_MAX => 512, # RFC 977 section 2.3
r501 => '501 command syntax error',
my $ONE_MSGID = qr/\A$MID_EXTRACT\z/;
my @OVERVIEW = qw(Subject From Date Message-ID References);
my $OVERVIEW_FMT = join(":\r\n", @OVERVIEW, qw(Bytes Lines), '') .
- "Xref:full\r\n";
+ "Xref:full\r\n.";
my $LIST_HEADERS = join("\r\n", @OVERVIEW,
- qw(:bytes :lines Xref To Cc)) . "\r\n";
+ qw(:bytes :lines Xref To Cc)) . "\r\n.";
my $CAPABILITIES = <<"";
101 Capability list:\r
VERSION 2\r
err($self, 'error from: %s (%s)', $l, $err);
$res = '503 program fault - command not performed';
}
- return 0 unless defined $res;
- res($self, $res);
+ defined($res) ? res($self, $res) : 0;
}
# The keyword argument is not used (rfc3977 5.2.2)
sub cmd_mode ($$) {
my ($self, $arg) = @_;
- $arg = uc $arg;
- return r501 unless $arg eq 'READER';
- '201 Posting prohibited';
+ uc($arg) eq 'READER' ? '201 Posting prohibited' : r501;
}
sub cmd_slave ($) { '202 slave status noted' }
my ($self, $wildmat) = @_;
more($self, '282 list of groups and descriptions follows');
list_newsgroups($self, $wildmat);
- '.'
}
-sub list_overview_fmt ($) {
- my ($self) = @_;
- $self->msg_more($OVERVIEW_FMT);
-}
+sub list_overview_fmt ($) { $OVERVIEW_FMT }
-sub list_headers ($;$) {
- my ($self) = @_;
- $self->msg_more($LIST_HEADERS);
+sub list_headers ($;$) { $LIST_HEADERS }
+
+sub list_active_i { # "LIST ACTIVE" and also just "LIST" (no args)
+ my ($self, $groupnames) = @_;
+ my @window = splice(@$groupnames, 0, 100) or return 0;
+ my $ibx;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ for my $ngname (@window) {
+ $ibx = $groups->{$ngname} and group_line($self, $ibx);
+ }
+ scalar(@$groupnames); # continue if there's more
}
-sub list_active ($;$) {
+sub list_active ($;$) { # called by cmd_list
my ($self, $wildmat) = @_;
wildmat2re($wildmat);
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $wildmat or next;
- group_line($self, $ng);
+ long_response($self, \&list_active_i, [
+ grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+}
+
+sub list_active_times_i {
+ my ($self, $groupnames) = @_;
+ my @window = splice(@$groupnames, 0, 100) or return 0;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ for my $ngname (@window) {
+ my $ibx = $groups->{$ngname} or next;
+ my $c = eval { $ibx->uidvalidity } // time;
+ more($self, "$ngname $c <$ibx->{-primary_address}>");
}
+ scalar(@$groupnames); # continue if there's more
}
-sub list_active_times ($;$) {
+sub list_active_times ($;$) { # called by cmd_list
my ($self, $wildmat) = @_;
wildmat2re($wildmat);
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $wildmat or next;
- my $c = eval { $ng->uidvalidity } // time;
- more($self, "$ng->{newsgroup} $c $ng->{-primary_address}");
+ long_response($self, \&list_active_times_i, [
+ grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+}
+
+sub list_newsgroups_i {
+ my ($self, $groupnames) = @_;
+ my @window = splice(@$groupnames, 0, 100) or return 0;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ my $ibx;
+ for my $ngname (@window) {
+ $ibx = $groups->{$ngname} and
+ more($self, "$ngname ".$ibx->description);
}
+ scalar(@$groupnames); # continue if there's more
}
-sub list_newsgroups ($;$) {
+sub list_newsgroups ($;$) { # called by cmd_list
my ($self, $wildmat) = @_;
wildmat2re($wildmat);
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $wildmat or next;
- my $d = $ng->description;
- more($self, "$ng->{newsgroup} $d");
- }
+ long_response($self, \&list_newsgroups_i, [
+ grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
}
# LIST SUBSCRIPTIONS, DISTRIB.PATS are not supported
if (scalar @args) {
my $arg = shift @args;
$arg =~ tr/A-Z./a-z_/;
+ my $ret = $arg eq 'active';
$arg = "list_$arg";
$arg = $self->can($arg);
return r501 unless $arg && args_ok($arg, scalar @args);
$arg->($self, @args);
} else {
more($self, '215 list of newsgroups follows');
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- group_line($self, $ng);
- }
+ long_response($self, \&list_active_i, [ # copy array
+ @{$self->{nntpd}->{groupnames}} ]);
}
- '.'
}
sub listgroup_range_i {
my ($self, $beg, $end) = @_;
my $r = $self->{ng}->mm->msg_range($beg, $end, 'num');
scalar(@$r) or return;
- more($self, join("\r\n", map { $_->[0] } @$r));
+ $self->msg_more(join('', map { "$_->[0]\r\n" } @$r));
1;
}
more($self, "$ng->{newsgroup} $max $min n");
}
+sub newgroups_i {
+ my ($self, $ts, $i, $groupnames) = @_;
+ my $end = $$i + 100;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ while ($$i < $end) {
+ my $ngname = $groupnames->[$$i++] // return;
+ my $ibx = $groups->{$ngname} or next; # expired on reload
+ next unless (eval { $ibx->uidvalidity } // 0) > $ts;
+ group_line($self, $ibx);
+ }
+ 1;
+}
+
sub cmd_newgroups ($$$;$$) {
my ($self, $date, $time, $gmt, $dists) = @_;
my $ts = eval { parse_time($date, $time, $gmt) };
# TODO dists
more($self, '231 list of new newsgroups follows');
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- my $c = eval { $ng->uidvalidity } // 0;
- next unless $c > $ts;
- group_line($self, $ng);
- }
- '.'
+ long_response($self, \&newgroups_i, $ts, \(my $i = 0),
+ $self->{nntpd}->{groupnames});
}
sub wildmat2re (;$) {
}
sub newnews_i {
- my ($self, $overs, $ts, $prev) = @_;
- my $over = $overs->[0];
- my $msgs = $over->query_ts($ts, $$prev);
- if (scalar @$msgs) {
- more($self, '<' .
- join(">\r\n<", map { $_->{mid} } @$msgs ).
- '>');
- $$prev = $msgs->[-1]->{num};
- } else {
- shift @$overs;
- if (@$overs) { # continue onto next newsgroup
- $$prev = 0;
- return 1;
- } else { # break out of the long response.
- return;
+ my ($self, $names, $ts, $prev) = @_;
+ my $ngname = $names->[0];
+ if (my $ibx = $self->{nntpd}->{pi_config}->{-by_newsgroup}->{$ngname}) {
+ if (my $over = $ibx->over) {
+ my $msgs = $over->query_ts($ts, $$prev);
+ if (scalar @$msgs) {
+ $self->msg_more(join('', map {
+ "<$_->{mid}>\r\n";
+ } @$msgs));
+ $$prev = $msgs->[-1]->{num};
+ return 1; # continue on current group
+ }
}
}
+ shift @$names;
+ if (@$names) { # continue onto next newsgroup
+ $$prev = 0;
+ 1;
+ } else { # all done, break out of the long_response
+ undef;
+ }
}
sub cmd_newnews ($$$$;$$) {
my ($keep, $skip) = split('!', $newsgroups, 2);
ngpat2re($keep);
ngpat2re($skip);
- my @overs;
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $keep or next;
- $ng->{newsgroup} =~ $skip and next;
- my $over = $ng->over or next;
- push @overs, $over;
- };
- return '.' unless @overs;
-
+ my @names = grep(!/$skip/, grep(/$keep/,
+ @{$self->{nntpd}->{groupnames}}));
+ return '.' unless scalar(@names);
my $prev = 0;
- long_response($self, \&newnews_i, \@overs, $ts, \$prev);
+ long_response($self, \&newnews_i, \@names, $ts, \$prev);
}
sub cmd_group ($$) {
my ($self, $group) = @_;
- my $no_such = '411 no such news group';
my $nntpd = $self->{nntpd};
- my $ng = $nntpd->{groups}->{$group} or return $no_such;
+ my $ibx = $nntpd->{pi_config}->{-by_newsgroup}->{$group} or
+ return '411 no such news group';
$nntpd->idler_start;
- $self->{ng} = $ng;
- my ($min, $max) = $ng->mm->minmax;
+ $self->{ng} = $ibx;
+ my ($min, $max) = $ibx->mm->minmax;
$self->{article} = $min;
my $est_size = $max - $min;
"211 $est_size $min $max $group";
$hdr->header_set($k, @v, $v);
}
-sub xref ($$$$) {
- my ($self, $ng, $n, $mid) = @_;
- my $ret = $self->{nntpd}->{servername} . " $ng->{newsgroup}:$n";
+sub xref_by_tc ($$$) {
+ my ($xref, $pi_cfg, $smsg) = @_;
+ my $by_addr = $pi_cfg->{-by_addr};
+ my $mid = $smsg->{mid};
+ for my $f (qw(to cc)) {
+ my @ibxs = map {
+ $by_addr->{lc($_)} // ()
+ } (PublicInbox::Address::emails($smsg->{$f} // ''));
+ for my $ibx (@ibxs) {
+ my $ngname = $ibx->{newsgroup} // next;
+ next if defined $xref->{$ngname};
+ $xref->{$ngname} = eval { $ibx->mm->num_for($mid) };
+ }
+ }
+}
- # num_for is pretty cheap and sometimes we'll lookup the existence
- # of an article without getting even the OVER info. In other words,
- # I'm not sure if its worth optimizing by scanning To:/Cc: and
- # PublicInbox::ExtMsg on the PSGI end is just as expensive
- foreach my $other (@{$self->{nntpd}->{grouplist}}) {
- next if $ng eq $other;
- my $num = eval { $other->mm->num_for($mid) } or next;
- $ret .= " $other->{newsgroup}:$num";
+sub xref ($$$) {
+ my ($self, $cur_ibx, $smsg) = @_;
+ my $nntpd = $self->{nntpd};
+ my $cur_ng = $cur_ibx->{newsgroup};
+ my $xref;
+ if (my $ALL = $nntpd->{pi_config}->ALL) {
+ $xref = $ALL->nntp_xref_for($cur_ibx, $smsg);
+ xref_by_tc($xref, $nntpd->{pi_config}, $smsg);
+ } else { # slow path
+ $xref = { $cur_ng => $smsg->{num} };
+ my $mid = $smsg->{mid};
+ for my $ibx (values %{$nntpd->{pi_config}->{-by_newsgroup}}) {
+ next if defined($xref->{$ibx->{newsgroup}});
+ my $num = eval { $ibx->mm->num_for($mid) } // next;
+ $xref->{$ibx->{newsgroup}} = $num;
+ }
}
+ my $ret = "$nntpd->{servername} $cur_ng:".delete($xref->{$cur_ng});
+ $ret .= " $_:$xref->{$_}" for (sort keys %$xref);
$ret;
}
# clobber some existing headers
my $ibx = $smsg->{-ibx};
- my $xref = xref($smsg->{nntp}, $ibx, $smsg->{num}, $mid);
+ my $xref = xref($smsg->{nntp}, $ibx, $smsg);
$hdr->header_set('Xref', $xref);
# RFC 5536 3.1.4
sub art_lookup ($$$) {
my ($self, $art, $code) = @_;
- my $ng = $self->{ng};
- my ($n, $mid);
+ my ($ibx, $n);
my $err;
if (defined $art) {
if ($art =~ /\A[0-9]+\z/) {
$err = '423 no such article number in this group';
$n = int($art);
- goto find_mid;
+ goto find_ibx;
} elsif ($art =~ $ONE_MSGID) {
- $mid = $1;
- $err = r430;
- $n = $ng->mm->num_for($mid) if $ng;
- goto found if defined $n;
- foreach my $g (values %{$self->{nntpd}->{groups}}) {
- $n = $g->mm->num_for($mid);
- if (defined $n) {
- $ng = $g;
- goto found;
- }
- }
- return $err;
+ ($ibx, $n) = mid_lookup($self, $1);
+ goto found if $ibx;
+ return r430;
} else {
return r501;
}
} else {
$err = '420 no current article has been selected';
- $n = $self->{article};
- defined $n or return $err;
-find_mid:
- $ng or return '412 no newsgroup has been selected';
- $mid = $ng->mm->mid_for($n);
- defined $mid or return $err;
+ $n = $self->{article} // return $err;
+find_ibx:
+ $ibx = $self->{ng} or
+ return '412 no newsgroup has been selected';
}
found:
- my $smsg = $ng->over->get_art($n) or return $err;
- $smsg->{-ibx} = $ng;
+ my $smsg = $ibx->over->get_art($n) or return $err;
+ $smsg->{-ibx} = $ibx;
if ($code == 223) { # STAT
set_art($self, $n);
"223 $n <$smsg->{mid}> article retrieved - " .
$smsg->{nntp_code} = $code;
set_art($self, $art);
# this dereferences to `undef'
- ${git_async_cat($ng->git, $smsg->{blob}, \&blob_cb, $smsg)};
+ ${git_async_cat($ibx->git, $smsg->{blob}, \&blob_cb, $smsg)};
}
}
my ($self, $beg, $end) = @_;
my $r = $self->{ng}->mm->msg_range($beg, $end);
@$r or return;
- more($self, join("\r\n", map { "$_->[0] <$_->[1]>" } @$r));
+ $self->msg_more(join('', map { "$_->[0] <$_->[1]>\r\n" } @$r));
1;
}
my $n = $self_ng->mm->num_for($mid);
return ($self_ng, $n) if defined $n;
}
- foreach my $ng (values %{$self->{nntpd}->{groups}}) {
- next if defined $self_ng && $ng eq $self_ng;
- my $n = $ng->mm->num_for($mid);
- return ($ng, $n) if defined $n;
+ my $pi_cfg = $self->{nntpd}->{pi_config};
+ if (my $ALL = $pi_cfg->ALL) {
+ my ($id, $prev);
+ while (my $smsg = $ALL->over->next_by_mid($mid, \$id, \$prev)) {
+ my $xr3 = $ALL->over->get_xref3($smsg->{num});
+ if (my @x = grep(/:$smsg->{blob}\z/, @$xr3)) {
+ my ($ngname, $xnum) = split(/:/, $x[0]);
+ my $ibx = $pi_cfg->{-by_newsgroup}->{$ngname};
+ return ($ibx, $xnum) if $ibx;
+ # fall through to trying all xref3s
+ } else {
+ warn <<EOF;
+W: xref3 missing for <$mid> ($smsg->{blob}) in $ALL->{topdir}, -extindex bug?
+EOF
+ }
+ # try all xref3s
+ for my $x (@$xr3) {
+ my ($ngname, $xnum) = split(/:/, $x);
+ my $ibx = $pi_cfg->{-by_newsgroup}->{$ngname};
+ return ($ibx, $xnum) if $ibx;
+ warn "W: `$ngname' does not exist for #$xnum\n";
+ }
+ }
+ # no warning here, $mid is just invalid
+ } else { # slow path for non-ALL users
+ for my $ibx (values %{$pi_cfg->{-by_newsgroup}}) {
+ next if defined $self_ng && $ibx eq $self_ng;
+ my $n = $ibx->mm->num_for($mid);
+ return ($ibx, $n) if defined $n;
+ }
}
(undef, undef);
}
sub xref_range_i {
my ($self, $beg, $end) = @_;
my $ng = $self->{ng};
- my $r = $ng->mm->msg_range($beg, $end);
- @$r or return;
- more($self, join("\r\n", map {
- my $num = $_->[0];
- "$num ".xref($self, $ng, $num, $_->[1]);
- } @$r));
+ my $msgs = $ng->over->query_xover($$beg, $end);
+ scalar(@$msgs) or return;
+ $$beg = $msgs->[-1]->{num} + 1;
+ $self->msg_more(join('', map {
+ "$_->{num} ".xref($self, $ng, $_) . "\r\n";
+ } @$msgs));
1;
}
my $mid = $1;
my ($ng, $n) = mid_lookup($self, $mid);
return r430 unless $n;
+ my $smsg = $ng->over->get_art($n) or return;
hdr_mid_response($self, $xhdr, $ng, $n, $range,
- xref($self, $ng, $n, $mid));
+ xref($self, $ng, $smsg));
} else { # numeric range
$range = $self->{article} unless defined $range;
my $r = get_range($self, $range);
long_response($self, \&xrover_i, @$r);
}
-sub over_line ($$$$) {
- my ($self, $ng, $num, $smsg) = @_;
+sub over_line ($$$) {
+ my ($self, $ng, $smsg) = @_;
# n.b. field access and procedural calls can be
# 10%-15% faster than OO method calls:
- my $s = join("\t", $num,
+ my $s = join("\t", $smsg->{num},
$smsg->{subject},
$smsg->{from},
PublicInbox::Smsg::date($smsg),
$smsg->{references},
$smsg->{bytes},
$smsg->{lines},
- "Xref: " . xref($self, $ng, $num, $smsg->{mid}));
+ "Xref: " . xref($self, $ng, $smsg));
utf8::encode($s);
- $s
+ $s .= "\r\n";
}
sub cmd_over ($;$) {
more($self, '224 Overview information follows (multi-line)');
# Only set article number column if it's the current group
+ # (RFC 3977 8.3.2)
my $self_ng = $self->{ng};
- $n = 0 if (!$self_ng || $self_ng ne $ng);
- more($self, over_line($self, $ng, $n, $smsg));
+ if (!$self_ng || $self_ng ne $ng) {
+ # set {-orig_num} for nntp_xref_for
+ $smsg->{-orig_num} = $smsg->{num};
+ $smsg->{num} = 0;
+ }
+ $self->msg_more(over_line($self, $ng, $smsg));
'.';
} else {
cmd_xover($self, $range);
my $nr = scalar @$msgs or return;
# OVERVIEW.FMT
- more($self, join("\r\n", map {
- over_line($self, $ng, $_->{num}, $_);
+ $self->msg_more(join('', map {
+ over_line($self, $ng, $_);
} @$msgs));
$$beg = $msgs->[-1]->{num} + 1;
}
return r501 unless $mid =~ $ONE_MSGID;
$mid = $1;
my @paths;
- foreach my $ng (values %{$self->{nntpd}->{groups}}) {
- my $n = $ng->mm->num_for($mid);
- push @paths, "$ng->{newsgroup}/$n" if defined $n;
+ my $pi_cfg = $self->{nntpd}->{pi_config};
+ my $groups = $pi_cfg->{-by_newsgroup};
+ if (my $ALL = $pi_cfg->ALL) {
+ my ($id, $prev, %seen);
+ while (my $smsg = $ALL->over->next_by_mid($mid, \$id, \$prev)) {
+ my $xr3 = $ALL->over->get_xref3($smsg->{num});
+ for my $x (@$xr3) {
+ my ($ngname, $n) = split(/:/, $x);
+ $x = "$ngname/$n";
+ if ($groups->{$ngname} && !$seen{$x}++) {
+ push(@paths, $x);
+ }
+ }
+ }
+ } else { # slow path, no point in using long_response
+ for my $ibx (values %$groups) {
+ my $n = $ibx->mm->num_for($mid) // next;
+ push @paths, "$ibx->{newsgroup}/$n";
+ }
}
return '430 no such article on server' unless @paths;
- '223 '.join(' ', @paths);
+ '223 '.join(' ', sort(@paths));
}
sub res ($$) { do_write($_[0], $_[1] . "\r\n") }