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;
19 # FIXME: workaround https://rt.cpan.org/Public/Bug/Display.html?id=22817
23 my ($class, $args) = @_;
24 my $max = $args->{max} || 25;
25 my $top = $args->{top}; # bool
27 local $ENV{GIT_DIR} = $args->{git_dir};
28 my $feed_opts = get_feedopts($args);
30 my $feed = XML::Atom::SimpleFeed->new(
31 title => $feed_opts->{description} || "unnamed feed",
32 link => $feed_opts->{url} || "http://example.com/",
35 href => $feed_opts->{atomurl} ||
36 "http://example.com/atom",
38 id => $feed_opts->{address} || 'public-inbox@example.com',
39 updated => strftime(DATEFMT, gmtime),
42 each_recent_blob($max, sub {
44 add_to_feed($feed_opts, $feed, $add, $top);
49 sub generate_html_index {
50 my ($class, $args) = @_;
51 my $max = $args->{max} || 50;
52 my $top = $args->{top}; # bool
53 local $ENV{GIT_DIR} = $args->{git_dir};
54 my $feed_opts = get_feedopts($args);
55 my $title = escapeHTML($feed_opts->{description} || "");
57 each_recent_blob($max, sub {
58 my $str = `git cat-file blob $_[0]`;
60 my $simple = Email::Simple->new($str);
61 if ($top && ($simple->header("In-Reply-To") ||
62 $simple->header("References"))) {
65 $simple->body_set(""); # save some memory
66 push @messages, $simple;
70 my $th = Mail::Thread->new(@messages);
73 "<html><head><title>$title</title>" .
74 '<link rel=alternate title=Atom.feed href="' .
75 $feed_opts->{atomurl} . '" type="application/atom+xml"/>' .
76 '</head><body><pre>');
77 push @args, $feed_opts->{midurl};
78 dump_html_line($_, 0, \@args) for $th->rootset;
79 $args[0] . '</pre></html>';
84 sub each_recent_blob {
88 # we could use git log -z, but, we already know ssoma will not
89 # leave us with filenames with spaces in them..
90 my $cmd = "git log --no-notes --no-color --raw -r --no-abbrev HEAD |";
91 my $pid = open my $log, $cmd or die "open `$cmd' pipe failed: $!\n";
94 foreach my $line (<$log>) {
95 if ($line =~ /^:000000 100644 0{40} ([a-f0-9]{40})/) {
97 next if $deleted{$add};
100 } elsif ($line =~ /^:100644 000000 ([a-f0-9]{40}) 0{40}/) {
108 # private functions below
111 my $pi_config = $args->{pi_config};
112 my $listname = $args->{listname};
113 my $cgi = $args->{cgi};
116 if ($pi_config && defined $listname && length $listname) {
117 foreach my $key (qw(description address)) {
118 $rv{$key} = $pi_config->get($listname, $key) || "";
123 my $cgi_url = $cgi->url(-path=>1, -query=>1, -relative=>1);
124 my $base = $cgi->url(-base);
125 $url_base = $cgi_url;
126 if ($url_base =~ s!/(?:|(index|all)\.html)?\z!!) {
127 my $ia = $1 || 'index';
128 $rv{atomurl} = "$base$url_base/$ia.atom.xml";
130 $url_base =~ s!/?(?:index|all)\.atom\.xml\z!!;
131 $rv{atomurl} = $base . $cgi_url;
132 $url_base = $base . $url_base; # XXX is this needed?
135 $url_base = "http://example.com";
136 $rv{atomurl} = "$url_base/index.atom.xml";
138 $rv{url} ||= "$url_base/";
139 $rv{midurl} = "$url_base/m/";
140 $rv{fullurl} = "$url_base/f/";
146 my ($simple, $name) = @_;
147 my $val = $simple->header($name);
148 return "" unless defined $val;
149 $val =~ tr/\t\r\n / /s;
150 encode('utf8', decode('MIME-Header', $val));
155 my @t = eval { strptime($date) };
157 scalar(@t) ? strftime(DATEFMT, @t) : 0;
160 # returns 0 (skipped) or 1 (added)
162 my ($feed_opts, $feed, $add, $top) = @_;
164 # we can use git cat-file --batch if performance becomes a
165 # problem, but I doubt it...
166 my $str = `git cat-file blob $add`;
168 my $mime = Email::MIME->new($str);
170 if ($top && $mime->header("In-Reply-To")) {
174 my $midurl = $feed_opts->{midurl} || 'http://example.com/m/';
175 my $fullurl = $feed_opts->{fullurl} || 'http://example.com/f/';
177 my $content = PublicInbox::View->as_feed_entry($mime, $fullurl);
178 defined($content) or return 0;
180 my $mid = utf8_header($mime, "Message-ID") or return 0;
181 $mid =~ s/\A<//; $mid =~ s/>\z//;
183 my $subject = utf8_header($mime, "Subject") || "";
184 length($subject) or return 0;
186 my $from = utf8_header($mime, "From") or return 0;
188 my @from = Email::Address->parse($from);
189 my $name = $from[0]->name;
190 defined $name or $name = "";
191 my $email = $from[0]->address;
192 defined $email or $email = "";
194 my $url = $midurl . uri_escape($mid);
195 my $date = utf8_header($mime, "Date");
197 $date = feed_date($date) or return 0;
199 author => { name => $name, email => $email },
202 content => { type => "html", content => $content },
210 my ($self, $level, $args) = @_; # args => [ $html, $midurl ]
211 $args->[0] .= (' ' x $level);
212 if ($self->message) {
213 my $simple = $self->message;
214 my $subj = utf8_header($simple, "Subject");
215 my $mid = utf8_header($simple, "Message-ID");
218 my $url = $args->[1] . uri_escape($mid);
219 my $from = utf8_header($simple, "From");
220 my @from = Email::Address->parse($from);
221 $from = $from[0]->name;
222 (defined($from) && length($from)) or $from = $from[0]->address;
223 $from = escapeHTML($from);
224 $subj = escapeHTML($subj);
225 $args->[0] .= "<a href=\"$url.html\">`-> $subj</a> $from\n";
227 $args->[0] .= "[ Message not available ]\n";
229 dump_html_line($self->child, $level+1, $args) if $self->child;
230 dump_html_line($self->next, $level, $args) if $self->next;