1 # Copyright (C) 2013, Eric Wong <normalperson@yhbt.net> and all contributors
2 # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
3 package PublicInbox::Feed;
6 use XML::Atom::SimpleFeed;
9 use URI::Escape qw/uri_escape/;
10 use Encode qw/encode decode/;
11 use Encode::MIME::Header;
12 use CGI qw(escapeHTML);
13 use POSIX qw(strftime);
14 use Date::Parse qw(strptime);
15 use constant DATEFMT => '%Y-%m-%dT%H:%M:%SZ';
16 use PublicInbox::View;
20 my ($class, $args) = @_;
21 my $max = $args->{max} || 25;
22 my $top = $args->{top}; # bool
24 local $ENV{GIT_DIR} = $args->{git_dir};
25 my $feed_opts = get_feedopts($args);
27 my $feed = XML::Atom::SimpleFeed->new(
28 title => $feed_opts->{description} || "unnamed feed",
29 link => $feed_opts->{url} || "http://example.com/",
32 href => $feed_opts->{atomurl} ||
33 "http://example.com/atom",
35 id => $feed_opts->{address} || 'public-inbox@example.com',
36 updated => strftime(DATEFMT, gmtime),
42 # we could use git log -z, but, we already know ssoma will not
43 # leave us with filenames with spaces in them..
44 my $cmd = "git log --no-color --raw -r --no-abbrev HEAD |";
45 my $pid = open my $log, $cmd or die "open `$cmd' pipe failed: $!\n";
48 foreach my $line (<$log>) {
49 if ($line =~ /^:000000 100644 0{40} ([a-f0-9]{40})/) {
51 next if $deleted{$add};
52 $nr += add_to_feed($feed_opts, $feed, $add, $top);
54 } elsif ($line =~ /^:100644 000000 ([a-f0-9]{40}) 0{40}/) {
64 # private functions below
67 my $pi_config = $args->{pi_config};
68 my $listname = $args->{listname};
69 my $cgi = $args->{cgi};
72 if ($pi_config && defined $listname && length $listname) {
73 foreach my $key (qw(description address)) {
74 $rv{$key} = $pi_config->get($listname, $key);
78 my $cgi_url = $cgi->self_url;
79 my $url_base = $cgi_url;
80 $url_base =~ s!/?(?:index|all)\.atom\.xml\z!!;
81 $rv{url} ||= "$url_base/";
82 $rv{midurl} = "$url_base/mid/";
83 $rv{fullurl} = "$url_base/full/";
84 $rv{atomurl} = $cgi_url;
91 my ($mime, $name) = @_;
92 encode('utf8', decode('MIME-Header', $mime->header($name)));
97 my @t = eval { strptime($date) };
99 scalar(@t) ? strftime(DATEFMT, @t) : 0;
102 # returns 0 (skipped) or 1 (added)
104 my ($feed_opts, $feed, $add, $top) = @_;
106 # we can use git cat-file --batch if performance becomes a
107 # problem, but I doubt it...
108 my $str = `git cat-file blob $add`;
110 my $mime = Email::MIME->new($str);
112 if ($top && $mime->header("In-Reply-To")) {
116 my $midurl = $feed_opts->{midurl} || 'http://example.com/mid/';
117 my $fullurl = $feed_opts->{fullurl} || 'http://example.com/full/';
119 my $content = PublicInbox::View->as_feed_entry($mime, $fullurl);
120 defined($content) or return 0;
122 my $mid = utf8_header($mime, "Message-ID") or return 0;
126 my $subject = utf8_header($mime, "Subject") || "";
127 defined($subject) && length($subject) or return 0;
129 my $from = utf8_header($mime, "From") or return 0;
131 my @from = Email::Address->parse($from);
132 my $name = $from[0]->name;
133 defined $name or $name = "";
134 my $email = $from[0]->address;
135 defined $email or $email = "";
137 my $url = $midurl . uri_escape($mid);
138 my $date = utf8_header($mime, "Date");
140 $date = feed_date($date) or return 0;
142 author => { name => $name, email => $email },
145 content => { type => "html", content => $content },