1 # Copyright (C) 2013-2020 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # Used for generating Atom feeds for web-accessible mailing list archives.
5 package PublicInbox::Feed;
9 use PublicInbox::WwwAtomStream;
10 use PublicInbox::Smsg; # this loads w/o Search::Xapian
14 while (my $smsg = shift @{$ctx->{msgs}}) {
22 my $msgs = $ctx->{msgs} = recent_msgs($ctx);
23 return _no_thread() unless @$msgs;
24 PublicInbox::WwwAtomStream->response($ctx, 200, \&generate_i);
27 sub generate_thread_atom {
29 my $msgs = $ctx->{msgs} = $ctx->{-inbox}->over->get_thread($ctx->{mid});
30 return _no_thread() unless @$msgs;
31 PublicInbox::WwwAtomStream->response($ctx, 200, \&generate_i);
34 sub generate_html_index {
36 # if the 'r' query parameter is given, it is a legacy permalink
37 # which we must continue supporting:
39 my $ibx = $ctx->{-inbox};
40 if ($qp && !$qp->{r} && $ibx->over) {
41 return PublicInbox::View::index_topics($ctx);
44 my $env = $ctx->{env};
45 my $url = $ibx->base_url($env) . 'new.html';
46 my $qs = $env->{QUERY_STRING};
47 $url .= "?$qs" if $qs ne '';
48 [302, [ 'Location', $url, 'Content-Type', 'text/plain'],
49 [ "Redirecting to $url\n" ] ];
54 my $msgs = $ctx->{msgs};
55 while (my $smsg = shift @$msgs) {
56 my $m = $ctx->{-inbox}->smsg_mime($smsg) or next;
57 my $more = scalar @$msgs;
58 return PublicInbox::View::index_entry($m, $ctx, $more);
60 PublicInbox::View::pagination_footer($ctx, './new.html');
65 my $msgs = $ctx->{msgs} = recent_msgs($ctx);
67 return [404, ['Content-Type', 'text/plain'],
68 ["No messages, yet\n"] ];
70 $ctx->{-html_tip} = '<pre>';
73 PublicInbox::WwwStream->response($ctx, 200, \&new_html_i);
79 [404, ['Content-Type', 'text/plain'], ["No feed found for thread\n"]];
84 my $ibx = $ctx->{-inbox};
85 my $max = $ibx->{feedmax};
86 return PublicInbox::View::paginate_recent($ctx, $max) if $ibx->over;
88 # only for rare v1 inboxes which aren't indexed at all
91 my $addmsg = qr!^:000000 100644 \S+ (\S+) A\t${hex}{2}/${hex}{38}$!;
92 my $delmsg = qr!^:100644 000000 (\S+) \S+ D\t(${hex}{2}/${hex}{38})$!;
93 my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~[0-9]+)?/;
95 # revision ranges may be specified
97 my $r = $qp->{r} if $qp;
98 if ($r && ($r =~ /\A(?:$refhex\.\.)?$refhex\z/o)) {
102 # get recent messages
103 # we could use git log -z, but, we already know ssoma will not
104 # leave us with filenames with spaces in them..
105 my $log = $ibx->git->popen(qw/log
106 --no-notes --no-color --raw -r
107 --no-abbrev --abbrev-commit/,
108 "--format=%H", $range);
109 my %deleted; # only an optimization at this point
114 while (defined(my $line = <$log>)) {
115 if ($line =~ /$addmsg/o) {
117 next if $deleted{$add}; # optimization-only
119 if (scalar(@oids) >= $max) {
123 } elsif ($line =~ /$delmsg/o) {
130 while (my $line = <$log>) {
131 if ($line =~ /^(${hex}{7,40})/) {
138 $ctx->{next_page} = "r=$last_commit" if $last_commit;
139 [ map { bless {blob => $_ }, 'PublicInbox::Smsg' } @oids ];