1 # Copyright (C) 2013-2018 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;
10 use PublicInbox::WwwAtomStream;
11 use PublicInbox::SearchMsg; # this loads w/o Search::Xapian
16 my $msgs = recent_msgs($ctx);
17 return _no_thread() unless @$msgs;
19 my $ibx = $ctx->{-inbox};
20 PublicInbox::WwwAtomStream->response($ctx, 200, sub {
21 while (my $smsg = shift @$msgs) {
22 $ibx->smsg_mime($smsg) and return $smsg;
27 sub generate_thread_atom {
29 my $mid = $ctx->{mid};
30 my $ibx = $ctx->{-inbox};
31 my $msgs = $ibx->over->get_thread($mid);
32 return _no_thread() unless @$msgs;
34 my $html_url = $ibx->base_url($ctx->{env});
35 $html_url .= PublicInbox::Hval->new_msgid($mid)->{href};
36 $ctx->{-html_url} = $html_url;
37 PublicInbox::WwwAtomStream->response($ctx, 200, sub {
38 while (my $smsg = shift @$msgs) {
39 $ibx->smsg_mime($smsg) and return $smsg;
44 sub generate_html_index {
46 # if the 'r' query parameter is given, it is a legacy permalink
47 # which we must continue supporting:
49 my $ibx = $ctx->{-inbox};
50 if ($qp && !$qp->{r} && $ibx->over) {
51 return PublicInbox::View::index_topics($ctx);
54 my $env = $ctx->{env};
55 my $url = $ibx->base_url($env) . 'new.html';
56 my $qs = $env->{QUERY_STRING};
57 $url .= "?$qs" if $qs ne '';
58 [302, [ 'Location', $url, 'Content-Type', 'text/plain'],
59 [ "Redirecting to $url\n" ] ];
64 my $msgs = recent_msgs($ctx);
66 return [404, ['Content-Type', 'text/plain'],
67 ["No messages, yet\n"] ];
69 $ctx->{-html_tip} = '<pre>';
72 my $ibx = $ctx->{-inbox};
73 PublicInbox::WwwStream->response($ctx, 200, sub {
74 while (my $smsg = shift @$msgs) {
75 my $m = $ibx->smsg_mime($smsg) or next;
76 my $more = scalar @$msgs;
77 return PublicInbox::View::index_entry($m, $ctx, $more);
79 PublicInbox::View::pagination_footer($ctx, './new.html');
86 [404, ['Content-Type', 'text/plain'], ["No feed found for thread\n"]];
91 my $ibx = $ctx->{-inbox};
92 my $max = $ibx->{feedmax};
94 my $v = $ibx->{version} || 1;
96 die "BUG: unsupported inbox version: $v\n";
99 return PublicInbox::View::paginate_recent($ctx, $max);
102 my $hex = '[a-f0-9]';
103 my $addmsg = qr!^:000000 100644 \S+ (\S+) A\t${hex}{2}/${hex}{38}$!;
104 my $delmsg = qr!^:100644 000000 (\S+) \S+ D\t(${hex}{2}/${hex}{38})$!;
105 my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~[0-9]+)?/;
107 # revision ranges may be specified
109 my $r = $qp->{r} if $qp;
110 if ($r && ($r =~ /\A(?:$refhex\.\.)?$refhex\z/o)) {
114 # get recent messages
115 # we could use git log -z, but, we already know ssoma will not
116 # leave us with filenames with spaces in them..
117 my $log = $ibx->git->popen(qw/log
118 --no-notes --no-color --raw -r
119 --no-abbrev --abbrev-commit/,
120 "--format=%H", $range);
121 my %deleted; # only an optimization at this point
126 while (defined(my $line = <$log>)) {
127 if ($line =~ /$addmsg/o) {
129 next if $deleted{$add}; # optimization-only
131 if (scalar(@oids) >= $max) {
135 } elsif ($line =~ /$delmsg/o) {
142 while (my $line = <$log>) {
143 if ($line =~ /^(${hex}{7,40})/) {
150 $ctx->{next_page} = "r=$last_commit" if $last_commit;
151 [ map { bless {blob => $_ }, 'PublicInbox::SearchMsg' } @oids ];