suikawiki/script/wiki.cgi

#!/usr/bin/perl
use strict;
use lib qw[/home/httpd/html/www/markup/html/whatpm
           /home/wakaba/work/manakai2/lib
           /home/httpd/html/swe/lib/];

use CGI::Carp qw[fatalsToBrowser];
require Message::CGI::Carp;

my $sw4_url = q<http://suika.fam.cx/~wakaba/wiki/sw/>;

require Message::CGI::HTTP;
require Encode::EUCJPSW;
my $cgi = Message::CGI::HTTP->new;

my $page = $ENV{QUERY_STRING};
if ($page =~ /[&;]/) {
  $page = $cgi->get_parameter ('mypage') // '';

  my $charset = $cgi->get_parameter ('_charset_') // 'euc-jp-sw';
  $charset = 'euc-jp-sw' unless $charset eq 'utf-8';
  $page = Encode::decode ($charset, $page);
} else {
  $page = Encode::decode ('euc-jp-sw', percent_decode_byte ($page));
}

my $url = get_page_url ($page);

print qq[Status: 301 Moved
Location: $url
Content-Type: text/html; charset=utf-8

<!DOCTYPE HTML>
<html lang=en>
<title>301 Moved</title>
<h1>Moved</h1>
<p>See <a href="@{[htescape ($url)]}">other page</a>.];
exit;

sub get_page_url ($) {
  my $wiki_name = shift;
  $wiki_name = percent_encode ($wiki_name);
  $wiki_name =~ s/%2F/+/g;
  $wiki_name = $sw4_url . 'n/' . $wiki_name;
  return $wiki_name;
} # get_page_url

sub percent_encode ($) {
  my $s = Encode::encode ('utf8', $_[0]);
  $s =~ s/([^A-Za-z0-9_~-])/sprintf '%%%02X', ord $1/ges;
  return $s;
} # percent_encode

sub percent_decode ($) { # input should be a byte string.
  my $s = shift;
  $s =~ s/%([0-9A-Fa-f]{2})/pack 'C', hex $1/ge;
  return Encode::decode ('utf-8', $s); # non-UTF-8 octet converted to \xHH
} # percent_decode

sub percent_decode_byte ($) { # input should be a byte string.
  my $s = shift;
  $s =~ s/%([0-9A-Fa-f]{2})/pack 'C', hex $1/ge;
  return $s;
} # percent_decode_byte

sub htescape ($) {
  my $s = shift;
  $s =~ s/&/&amp;/g;
  $s =~ s/</&lt;/g;
  $s =~ s/"/&quot;/g;
  return $s;
} # htescape
1	wakaba	1.60	#!/usr/bin/perl
2	wakaba	1.16	use strict;
3	wakaba	1.60	use lib qw[/home/httpd/html/www/markup/html/whatpm
4			/home/wakaba/work/manakai2/lib
5			/home/httpd/html/swe/lib/];
6
7			use CGI::Carp qw[fatalsToBrowser];
8			require Message::CGI::Carp;
9
10			my $sw4_url = q<http://suika.fam.cx/~wakaba/wiki/sw/>;
11
12			require Message::CGI::HTTP;
13			require Encode::EUCJPSW;
14			my $cgi = Message::CGI::HTTP->new;
15
16			my $page = $ENV{QUERY_STRING};
17			if ($page =~ /[&;]/) {
18			$page = $cgi->get_parameter ('mypage') // '';
19	wakaba	1.61
20			my $charset = $cgi->get_parameter ('_charset_') // 'euc-jp-sw';
21			$charset = 'euc-jp-sw' unless $charset eq 'utf-8';
22			$page = Encode::decode ($charset, $page);
23	wakaba	1.60	} else {
24			$page = Encode::decode ('euc-jp-sw', percent_decode_byte ($page));
25			}
26
27			my $url = get_page_url ($page);
28
29			print qq[Status: 301 Moved
30			Location: $url
31			Content-Type: text/html; charset=utf-8
32
33			<!DOCTYPE HTML>
34			<html lang=en>
35			<title>301 Moved</title>
36			<h1>Moved</h1>
37			<p>See <a href="@{[htescape ($url)]}">other page</a>.];
38			exit;
39
40			sub get_page_url ($) {
41			my $wiki_name = shift;
42			$wiki_name = percent_encode ($wiki_name);
43			$wiki_name =~ s/%2F/+/g;
44			$wiki_name = $sw4_url . 'n/' . $wiki_name;
45			return $wiki_name;
46			} # get_page_url
47
48			sub percent_encode ($) {
49			my $s = Encode::encode ('utf8', $_[0]);
50			$s =~ s/([^A-Za-z0-9_~-])/sprintf '%%%02X', ord $1/ges;
51			return $s;
52			} # percent_encode
53
54			sub percent_decode ($) { # input should be a byte string.
55			my $s = shift;
56			$s =~ s/%([0-9A-Fa-f]{2})/pack 'C', hex $1/ge;
57			return Encode::decode ('utf-8', $s); # non-UTF-8 octet converted to \xHH
58			} # percent_decode
59
60			sub percent_decode_byte ($) { # input should be a byte string.
61			my $s = shift;
62			$s =~ s/%([0-9A-Fa-f]{2})/pack 'C', hex $1/ge;
63			return $s;
64			} # percent_decode_byte
65
66			sub htescape ($) {
67			my $s = shift;
68			$s =~ s/&/&/g;
69			$s =~ s/</</g;
70			$s =~ s/"/"/g;
71			return $s;
72			} # htescape