# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Each instance of this represents a NNTP client socket
+# fields:
+# nntpd: PublicInbox::NNTPD ref
+# article: per-session current article number
+# ibx: PublicInbox::Inbox ref
+# long_cb: long_response private data
package PublicInbox::NNTP;
use strict;
-use warnings;
-use base qw(PublicInbox::DS);
-use fields qw(nntpd article ng long_cb);
+use parent qw(PublicInbox::DS);
use PublicInbox::MID qw(mid_escape $MID_EXTRACT);
use PublicInbox::Eml;
use POSIX qw(strftime);
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
sub new ($$$) {
my ($class, $sock, $nntpd) = @_;
- my $self = fields::new($class);
+ my $self = bless { nntpd => $nntpd }, $class;
my $ev = EPOLLIN;
my $wbuf;
if ($sock->can('accept_SSL') && !$sock->accept_SSL) {
return CORE::close($sock) if $! != EAGAIN;
- $ev = PublicInbox::TLS::epollbit();
+ $ev = PublicInbox::TLS::epollbit() or return CORE::close($sock);
$wbuf = [ \&PublicInbox::DS::accept_tls_step, \&greet ];
}
$self->SUPER::new($sock, $ev | EPOLLONESHOT);
- $self->{nntpd} = $nntpd;
if ($wbuf) {
$self->{wbuf} = $wbuf;
} else {
err($self, 'error from: %s (%s)', $l, $err);
$res = '503 program fault - command not performed';
}
- return 0 unless defined $res;
- res($self, $res);
+ defined($res) ? res($self, $res) : 0;
}
# The keyword argument is not used (rfc3977 5.2.2)
sub cmd_mode ($$) {
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 { $ng->mm->created_at } || time;
- more($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');
+ my $r = $self->{ibx}->mm->msg_range($beg, $end, 'num');
scalar(@$r) or return;
- more($self, join("\r\n", map { $_->[0] } @$r));
+ $self->msg_more(join('', map { "$_->[0]\r\n" } @$r));
1;
}
sub listgroup_all_i {
my ($self, $num) = @_;
- my $ary = $self->{ng}->mm->ids_after($num);
+ my $ary = $self->{ibx}->mm->ids_after($num);
scalar(@$ary) or return;
more($self, join("\r\n", @$ary));
1;
return $res if ($res !~ /\A211 /);
more($self, $res);
}
- $self->{ng} or return '412 no newsgroup selected';
+ $self->{ibx} or return '412 no newsgroup selected';
if (defined $range) {
my $r = get_range($self, $range);
return $r unless ref $r;
}
sub group_line ($$) {
- my ($self, $ng) = @_;
- my ($min, $max) = $ng->mm->minmax;
- more($self, "$ng->{newsgroup} $max $min n") if defined $min && defined $max;
+ my ($self, $ibx) = @_;
+ my ($min, $max) = $ibx->mm->minmax;
+ more($self, "$ibx->{newsgroup} $max $min n");
+}
+
+sub newgroups_i {
+ my ($self, $ts, $i, $groupnames) = @_;
+ my $end = $$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 ($$$;$$) {
# TODO dists
more($self, '231 list of new newsgroups follows');
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- my $c = eval { $ng->mm->created_at } || 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 ($$) {
my ($self, $group) = @_;
- my $no_such = '411 no such news group';
my $nntpd = $self->{nntpd};
- my $ng = $nntpd->{groups}->{$group} or return $no_such;
+ my $ibx = $nntpd->{pi_config}->{-by_newsgroup}->{$group} or
+ return '411 no such news group';
$nntpd->idler_start;
- $self->{ng} = $ng;
- my ($min, $max) = $ng->mm->minmax;
- $min ||= 0;
- $max ||= 0;
+ $self->{ibx} = $ibx;
+ my ($min, $max) = $ibx->mm->minmax;
$self->{article} = $min;
my $est_size = $max - $min;
"211 $est_size $min $max $group";
sub article_adj ($$) {
my ($self, $off) = @_;
- my $ng = $self->{ng} or return '412 no newsgroup selected';
+ my $ibx = $self->{ibx} or return '412 no newsgroup selected';
my $n = $self->{article};
defined $n or return '420 no current article has been selected';
$n += $off;
- my $mid = $ng->mm->mid_for($n);
+ my $mid = $ibx->mm->mid_for($n);
unless ($mid) {
$n = $off > 0 ? 'next' : 'previous';
return "421 no $n article in this group";
# the single-point-of-failure a single server provides.
sub cmd_post ($) {
my ($self) = @_;
- my $ng = $self->{ng};
- $ng ? "440 mailto:$ng->{-primary_address} to post"
+ my $ibx = $self->{ibx};
+ $ibx ? "440 mailto:$ibx->{-primary_address} to post"
: '440 posting not allowed'
}
$hdr->header_set($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 ($$$) {
+ my ($self, $cur_ibx, $smsg) = @_;
+ my $nntpd = $self->{nntpd};
+ my $cur_ng = $cur_ibx->{newsgroup};
+ my $xref;
+ if (my $ALL = $nntpd->{pi_config}->ALL) {
+ $xref = $ALL->nntp_xref_for($cur_ibx, $smsg);
+ xref_by_tc($xref, $nntpd->{pi_config}, $smsg);
+ } else { # slow path
+ $xref = { $cur_ng => $smsg->{num} };
+ my $mid = $smsg->{mid};
+ for my $ibx (values %{$nntpd->{pi_config}->{-by_newsgroup}}) {
+ next if defined($xref->{$ibx->{newsgroup}});
+ my $num = eval { $ibx->mm->num_for($mid) } // next;
+ $xref->{$ibx->{newsgroup}} = $num;
+ }
}
+ my $ret = "$nntpd->{servername} $cur_ng:".delete($xref->{$cur_ng});
+ $ret .= " $_:$xref->{$_}" for (sort keys %$xref);
$ret;
}
-sub set_nntp_headers ($$$) {
- my ($self, $hdr, $smsg) = @_;
+sub set_nntp_headers ($$) {
+ my ($hdr, $smsg) = @_;
my ($mid) = $smsg->{mid};
- # why? leafnode requires a Path: header for some inexplicable
- # reason. We'll fake the shortest one possible.
- $hdr->header_set('Path', 'y');
-
# leafnode (and maybe other NNTP clients) have trouble dealing
# with v2 messages which have multiple Message-IDs (either due
# to our own content-based dedupe or buggy git-send-email versions).
$hdr->header_set('X-Alt-Message-ID', @alt);
}
- # clobber some
- my $ng = $self->{ng};
- my $xref = xref($self, $ng, $smsg->{num}, $mid);
+ # clobber some existing headers
+ my $ibx = $smsg->{-ibx};
+ my $xref = xref($smsg->{nntp}, $ibx, $smsg);
$hdr->header_set('Xref', $xref);
- $xref =~ s/:[0-9]+//g;
- $hdr->header_set('Newsgroups', (split(/ /, $xref, 2))[1]);
- header_append($hdr, 'List-Post', "<mailto:$ng->{-primary_address}>");
- if (my $url = $ng->base_url) {
+
+ # RFC 5536 3.1.4
+ my ($server_name, $newsgroups) = split(/ /, $xref, 2);
+ $newsgroups =~ s/:[0-9]+\b//g; # drop NNTP article numbers
+ $newsgroups =~ tr/ /,/;
+ $hdr->header_set('Newsgroups', $newsgroups);
+
+ # *something* here is required for leafnode, try to follow
+ # RFC 5536 3.1.5...
+ $hdr->header_set('Path', $server_name . '!not-for-mail');
+
+ header_append($hdr, 'List-Post', "<mailto:$ibx->{-primary_address}>");
+ if (my $url = $ibx->base_url) {
$mid = mid_escape($mid);
header_append($hdr, 'Archived-At', "<$url$mid/>");
header_append($hdr, 'List-Archive', "<$url>");
}
}
-sub art_lookup ($$) {
- my ($self, $art) = @_;
- my $ng = $self->{ng};
- my ($n, $mid);
+sub art_lookup ($$$) {
+ my ($self, $art, $code) = @_;
+ my ($ibx, $n);
my $err;
if (defined $art) {
if ($art =~ /\A[0-9]+\z/) {
$err = '423 no such article number in this group';
$n = int($art);
- goto find_mid;
+ goto find_ibx;
} elsif ($art =~ $ONE_MSGID) {
- $mid = $1;
- $err = r430;
- $n = $ng->mm->num_for($mid) if $ng;
- goto found if defined $n;
- foreach my $g (values %{$self->{nntpd}->{groups}}) {
- $n = $g->mm->num_for($mid);
- if (defined $n) {
- $ng = $g;
- goto found;
- }
- }
- return $err;
+ ($ibx, $n) = mid_lookup($self, $1);
+ goto found if $ibx;
+ return r430;
} else {
return r501;
}
} else {
$err = '420 no current article has been selected';
- $n = $self->{article};
- defined $n or return $err;
-find_mid:
- $ng or return '412 no newsgroup has been selected';
- $mid = $ng->mm->mid_for($n);
- defined $mid or return $err;
+ $n = $self->{article} // return $err;
+find_ibx:
+ $ibx = $self->{ibx} or
+ return '412 no newsgroup has been selected';
}
found:
- my $smsg = $ng->over->get_art($n) or return $err;
- $smsg;
+ my $smsg = $ibx->over->get_art($n) or return $err;
+ $smsg->{-ibx} = $ibx;
+ if ($code == 223) { # STAT
+ set_art($self, $n);
+ "223 $n <$smsg->{mid}> article retrieved - " .
+ "request text separately";
+ } else { # HEAD | BODY | ARTICLE
+ $smsg->{nntp} = $self;
+ $smsg->{nntp_code} = $code;
+ set_art($self, $art);
+ # this dereferences to `undef'
+ ${git_async_cat($ibx->git, $smsg->{blob}, \&blob_cb, $smsg)};
+ }
}
sub msg_body_write ($$) {
$self->{article} = $art if defined $art && $art =~ /\A[0-9]+\z/;
}
-sub msg_hdr_write ($$$) {
- my ($self, $eml, $smsg) = @_;
- set_nntp_headers($self, $eml, $smsg);
+sub msg_hdr_write ($$) {
+ my ($eml, $smsg) = @_;
+ set_nntp_headers($eml, $smsg);
my $hdr = $eml->{hdr} // \(my $x = '');
# fixup old bug from import (pre-a0c07cba0e5d8b6a)
# for leafnode compatibility, we need to ensure Message-ID headers
# are only a single line.
$$hdr =~ s/^(Message-ID:)[ \t]*\r\n[ \t]+([^\r]+)\r\n/$1 $2\r\n/igsm;
- $self->msg_more($$hdr);
+ $smsg->{nntp}->msg_more($$hdr);
}
sub blob_cb { # called by git->cat_async via git_async_cat
my ($bref, $oid, $type, $size, $smsg) = @_;
my $self = $smsg->{nntp};
- my $code = $smsg->{nntp_code} // 220;
+ my $code = $smsg->{nntp_code};
if (!defined($oid)) {
# it's possible to have TOCTOU if an admin runs
# public-inbox-(edit|purge), just move onto the next message
+ warn "E: $smsg->{blob} missing in $smsg->{-ibx}->{inboxdir}\n";
return $self->requeue;
} elsif ($smsg->{blob} ne $oid) {
$self->close;
my $eml = PublicInbox::Eml->new($bref);
if ($code == 220) {
more($self, $r .= 'head and body follow');
- msg_hdr_write($self, $eml, $smsg);
+ msg_hdr_write($eml, $smsg);
$self->msg_more("\r\n");
msg_body_write($self, $bref);
} elsif ($code == 221) {
more($self, $r .= 'head follows');
- msg_hdr_write($self, $eml, $smsg);
+ msg_hdr_write($eml, $smsg);
} elsif ($code == 222) {
more($self, $r .= 'body follows');
msg_body_write($self, $bref);
sub cmd_article ($;$) {
my ($self, $art) = @_;
- my $smsg = art_lookup($self, $art);
- return $smsg unless ref $smsg;
- set_art($self, $art);
- $smsg->{nntp} = $self;
- git_async_cat($self->{ng}->git, $smsg->{blob}, \&blob_cb, $smsg);
- undef;
+ art_lookup($self, $art, 220);
}
sub cmd_head ($;$) {
my ($self, $art) = @_;
- my $smsg = art_lookup($self, $art);
- return $smsg unless ref $smsg;
- set_art($self, $art);
- $smsg->{nntp} = $self;
- $smsg->{nntp_code} = 221;
- git_async_cat($self->{ng}->git, $smsg->{blob}, \&blob_cb, $smsg);
- undef;
+ art_lookup($self, $art, 221);
}
sub cmd_body ($;$) {
my ($self, $art) = @_;
- my $smsg = art_lookup($self, $art);
- return $smsg unless ref $smsg;
- set_art($self, $art);
- $smsg->{nntp} = $self;
- $smsg->{nntp_code} = 222;
- git_async_cat($self->{ng}->git, $smsg->{blob}, \&blob_cb, $smsg);
- undef;
+ art_lookup($self, $art, 222);
}
sub cmd_stat ($;$) {
my ($self, $art) = @_;
- my $r = art_lookup($self, $art);
- return $r unless ref $r;
- my ($n, $mid) = @$r;
- set_art($self, $art);
- "223 $n <$mid> article retrieved - request text separately";
+ art_lookup($self, $art, 223); # art may be msgid
}
sub cmd_ihave ($) { '435 article not wanted - do not send it' }
sub get_range ($$) {
my ($self, $range) = @_;
- my $ng = $self->{ng} or return '412 no news group has been selected';
+ my $ibx = $self->{ibx} or return '412 no news group has been selected';
defined $range or return '420 No article(s) selected';
my ($beg, $end);
- my ($min, $max) = $ng->mm->minmax;
+ my ($min, $max) = $ibx->mm->minmax;
if ($range =~ /\A([0-9]+)\z/) {
$beg = $end = $1;
} elsif ($range =~ /\A([0-9]+)-\z/) {
sub hdr_msgid_range_i {
my ($self, $beg, $end) = @_;
- my $r = $self->{ng}->mm->msg_range($beg, $end);
+ my $r = $self->{ibx}->mm->msg_range($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 ($self, $xhdr, $range) = @_;
if (defined $range && $range =~ $ONE_MSGID) {
- my ($ng, $n) = mid_lookup($self, $1);
+ my ($ibx, $n) = mid_lookup($self, $1);
return r430 unless $n;
- hdr_mid_response($self, $xhdr, $ng, $n, $range, $range);
+ hdr_mid_response($self, $xhdr, $ibx, $n, $range, $range);
} else { # numeric range
$range = $self->{article} unless defined $range;
my $r = get_range($self, $range);
sub mid_lookup ($$) {
my ($self, $mid) = @_;
- my $self_ng = $self->{ng};
- if ($self_ng) {
- my $n = $self_ng->mm->num_for($mid);
- return ($self_ng, $n) if defined $n;
+ my $cur_ibx = $self->{ibx};
+ if ($cur_ibx) {
+ my $n = $cur_ibx->mm->num_for($mid);
+ return ($cur_ibx, $n) if defined $n;
}
- foreach my $ng (values %{$self->{nntpd}->{groups}}) {
- next if defined $self_ng && $ng eq $self_ng;
- my $n = $ng->mm->num_for($mid);
- return ($ng, $n) if defined $n;
+ my $pi_cfg = $self->{nntpd}->{pi_config};
+ if (my $ALL = $pi_cfg->ALL) {
+ my ($id, $prev);
+ while (my $smsg = $ALL->over->next_by_mid($mid, \$id, \$prev)) {
+ my $xr3 = $ALL->over->get_xref3($smsg->{num});
+ if (my @x = grep(/:$smsg->{blob}\z/, @$xr3)) {
+ my ($ngname, $xnum) = split(/:/, $x[0]);
+ my $ibx = $pi_cfg->{-by_newsgroup}->{$ngname};
+ return ($ibx, $xnum) if $ibx;
+ # fall through to trying all xref3s
+ } else {
+ warn <<EOF;
+W: xref3 missing for <$mid> ($smsg->{blob}) in $ALL->{topdir}, -extindex bug?
+EOF
+ }
+ # try all xref3s
+ for my $x (@$xr3) {
+ my ($ngname, $xnum) = split(/:/, $x);
+ my $ibx = $pi_cfg->{-by_newsgroup}->{$ngname};
+ return ($ibx, $xnum) if $ibx;
+ warn "W: `$ngname' does not exist for #$xnum\n";
+ }
+ }
+ # no warning here, $mid is just invalid
+ } else { # slow path for non-ALL users
+ for my $ibx (values %{$pi_cfg->{-by_newsgroup}}) {
+ next if defined $cur_ibx && $ibx eq $cur_ibx;
+ my $n = $ibx->mm->num_for($mid);
+ return ($ibx, $n) if defined $n;
+ }
}
(undef, undef);
}
sub xref_range_i {
my ($self, $beg, $end) = @_;
- my $ng = $self->{ng};
- my $r = $ng->mm->msg_range($beg, $end);
- @$r or return;
- more($self, join("\r\n", map {
- my $num = $_->[0];
- "$num ".xref($self, $ng, $num, $_->[1]);
- } @$r));
+ my $ibx = $self->{ibx};
+ my $msgs = $ibx->over->query_xover($$beg, $end);
+ scalar(@$msgs) or return;
+ $$beg = $msgs->[-1]->{num} + 1;
+ $self->msg_more(join('', map {
+ "$_->{num} ".xref($self, $ibx, $_) . "\r\n";
+ } @$msgs));
1;
}
if (defined $range && $range =~ $ONE_MSGID) {
my $mid = $1;
- my ($ng, $n) = mid_lookup($self, $mid);
+ my ($ibx, $n) = mid_lookup($self, $mid);
return r430 unless $n;
- hdr_mid_response($self, $xhdr, $ng, $n, $range,
- xref($self, $ng, $n, $mid));
+ my $smsg = $ibx->over->get_art($n) or return;
+ hdr_mid_response($self, $xhdr, $ibx, $n, $range,
+ xref($self, $ibx, $smsg));
} else { # numeric range
$range = $self->{article} unless defined $range;
my $r = get_range($self, $range);
sub smsg_range_i {
my ($self, $beg, $end, $field) = @_;
- my $over = $self->{ng}->over;
+ my $over = $self->{ibx}->over;
my $msgs = $over->query_xover($$beg, $end);
scalar(@$msgs) or return;
my $tmp = '';
sub hdr_smsg ($$$$) {
my ($self, $xhdr, $field, $range) = @_;
if (defined $range && $range =~ $ONE_MSGID) {
- my ($ng, $n) = mid_lookup($self, $1);
+ my ($ibx, $n) = mid_lookup($self, $1);
return r430 unless defined $n;
- my $v = over_header_for($ng->over, $n, $field);
- hdr_mid_response($self, $xhdr, $ng, $n, $range, $v);
+ my $v = over_header_for($ibx->over, $n, $field);
+ hdr_mid_response($self, $xhdr, $ibx, $n, $range, $v);
} else { # numeric range
$range = $self->{article} unless defined $range;
my $r = get_range($self, $range);
}
sub hdr_mid_prefix ($$$$$) {
- my ($self, $xhdr, $ng, $n, $mid) = @_;
+ my ($self, $xhdr, $ibx, $n, $mid) = @_;
return $mid if $xhdr;
# HDR for RFC 3977 users
- if (my $self_ng = $self->{ng}) {
- ($self_ng eq $ng) ? $n : '0';
+ if (my $cur_ibx = $self->{ibx}) {
+ ($cur_ibx eq $ibx) ? $n : '0';
} else {
'0';
}
}
sub hdr_mid_response ($$$$$$) {
- my ($self, $xhdr, $ng, $n, $mid, $v) = @_;
+ my ($self, $xhdr, $ibx, $n, $mid, $v) = @_;
my $res = '';
if ($xhdr) {
$res .= r221 . "\r\n";
$res .= "$mid $v\r\n";
} else {
$res .= r225 . "\r\n";
- my $pfx = hdr_mid_prefix($self, $xhdr, $ng, $n, $mid);
+ my $pfx = hdr_mid_prefix($self, $xhdr, $ibx, $n, $mid);
$res .= "$pfx $v\r\n";
}
res($self, $res .= '.');
sub xrover_i {
my ($self, $beg, $end) = @_;
- my $h = over_header_for($self->{ng}->over, $$beg, 'references');
+ my $h = over_header_for($self->{ibx}->over, $$beg, 'references');
more($self, "$$beg $h") if defined($h);
$$beg++ < $end;
}
sub cmd_xrover ($;$) {
my ($self, $range) = @_;
- my $ng = $self->{ng} or return '412 no newsgroup selected';
+ my $ibx = $self->{ibx} or return '412 no newsgroup selected';
(defined $range && $range =~ /[<>]/) and
return '420 No article(s) selected'; # no message IDs
long_response($self, \&xrover_i, @$r);
}
-sub over_line ($$$$) {
- my ($self, $ng, $num, $smsg) = @_;
+sub over_line ($$$) {
+ my ($self, $ibx, $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, $ibx, $smsg));
utf8::encode($s);
- $s
+ $s .= "\r\n";
}
sub cmd_over ($;$) {
my ($self, $range) = @_;
if ($range && $range =~ $ONE_MSGID) {
- my ($ng, $n) = mid_lookup($self, $1);
+ my ($ibx, $n) = mid_lookup($self, $1);
defined $n or return r430;
- my $smsg = $ng->over->get_art($n) or return r430;
+ my $smsg = $ibx->over->get_art($n) or return r430;
more($self, '224 Overview information follows (multi-line)');
# Only set article number column if it's the current group
- my $self_ng = $self->{ng};
- $n = 0 if (!$self_ng || $self_ng ne $ng);
- more($self, over_line($self, $ng, $n, $smsg));
+ # (RFC 3977 8.3.2)
+ my $cur_ibx = $self->{ibx};
+ if (!$cur_ibx || $cur_ibx ne $ibx) {
+ # set {-orig_num} for nntp_xref_for
+ $smsg->{-orig_num} = $smsg->{num};
+ $smsg->{num} = 0;
+ }
+ $self->msg_more(over_line($self, $ibx, $smsg));
'.';
} else {
cmd_xover($self, $range);
sub xover_i {
my ($self, $beg, $end) = @_;
- my $ng = $self->{ng};
- my $msgs = $ng->over->query_xover($$beg, $end);
+ my $ibx = $self->{ibx};
+ my $msgs = $ibx->over->query_xover($$beg, $end);
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, $ibx, $_);
} @$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") }