1 # Copyright (C) 2014, 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::View;
6 use URI::Escape qw/uri_escape/;
7 use CGI qw/escapeHTML/;
8 use Encode qw/decode encode/;
9 use Encode::MIME::Header;
13 my ($class, $mime, $full_pfx) = @_;
15 headers_to_html_header($mime) .
16 multipart_text_as_html($mime, $full_pfx) .
17 '</pre></body></html>';
21 my ($class, $mime, $full_pfx) = @_;
23 "<pre>" . multipart_text_as_html($mime, $full_pfx) . "</pre>";
27 # only private functions below.
29 sub multipart_text_as_html {
30 my ($mime, $full_pfx) = @_;
34 # scan through all parts, looking for displayable text
35 $mime->walk_parts(sub {
37 return if $part->subparts; # walk_parts already recurses
39 my $fn = $part->filename;
42 defined($fn) or $fn = "part #" . ($part_nr + 1);
43 $rv .= add_filename_line($fn);
46 if (defined $full_pfx) {
47 $rv .= add_text_body_short($part, $part_nr,
50 $rv .= add_text_body_full($part, $part_nr);
52 $rv .= "\n" unless $rv =~ /\n\z/s;
58 sub add_filename_line {
64 $pad x= ($len/2) if ($len > 0);
65 "$pad " . escapeHTML($fn) . " $pad\n";
68 sub add_text_body_short {
69 my ($part, $part_nr, $full_pfx) = @_;
71 my $s = escapeHTML($part->body);
72 $s =~ s!^((?:(?:>[^\n]+)\n)+)!
74 my @lines = split(/\n/, $cur);
76 # show a short snippet of quoted text
77 $cur = join(' ', @lines);
80 my @sum = split(/\s+/, $cur);
83 $cur .= shift(@sum) . ' ';
84 } while (@sum && length($cur) < 68);
86 "> <<a href=\"${full_pfx}#q${part_nr}_" . $n++ .
95 sub add_text_body_full {
96 my ($part, $part_nr) = @_;
98 my $s = escapeHTML($part->body);
99 $s =~ s!^((?:(?:>[^\n]+)\n)+)!
101 my @lines = split(/\n/, $cur);
103 "<a name=q${part_nr}_" . $n++ . ">$cur</a>";
111 sub trim_message_id {
115 my $html = escapeHTML($mid);
116 my $href = escapeHTML(uri_escape($mid));
121 sub headers_to_html_header {
126 foreach my $h (qw(From To Cc Subject Date)) {
127 my $v = $simple->header($h);
129 $v = decode("MIME-Header", $v);
130 $v = encode("utf8", $v);
135 if ($h eq "From" || $h eq "Subject") {
140 my $mid = $simple->header('Message-ID');
142 my ($html, $href) = trim_message_id($mid);
143 $rv .= "Message-ID: <<a href=\"$href.html\">$html</a>> ";
144 $rv .= "(<a href=\"$href.txt\">original</a>)\n";
147 my $irp = $simple->header('In-Reply-To');
149 my ($html, $href) = trim_message_id($irp);
150 $rv .= "In-Reply-To: <";
151 $rv .= "<a href=\"$href.html\">$html</a>>\n";
155 ("<html><head><title>". join(' - ', @title) .
156 '</title></head><body><pre style="white-space:pre-wrap">' . $rv);