#!/usr/bin/perl use strict; use lib qw[/home/httpd/html/www/markup/html/whatpm /home/wakaba/work/manakai/lib /home/wakaba/public_html/-temp/wiki/lib]; use CGI::Carp qw[fatalsToBrowser]; use Scalar::Util qw[refaddr]; use SuikaWiki::Input::HTTP; ## TODO: Use some better CGI module sub htescape ($) { my $s = $_[0]; $s =~ s/&/&/g; $s =~ s//>/g; $s =~ s/"/"/g; $s =~ s!([\x00-\x09\x0B-\x1F\x7F-\x80])!sprintf 'U+%04X', ord $1!ge; return $s; } # htescape my $http = SuikaWiki::Input::HTTP->new; ## TODO: _charset_ if ($http->meta_variable ('PATH_INFO') ne '/') { print STDOUT "Status: 404 Not Found\nContent-Type: text/plain; charset=us-ascii\n\n400"; exit; } require Message::DOM::DOMImplementation; my $dom = Message::DOM::DOMImplementation->new; my $input = get_input_document ($http, $dom); my $inner_html_element = $http->parameter ('e'); load_text_catalog ('en'); ## TODO: conneg my @nav; print STDOUT qq[Content-Type: text/html; charset=utf-8 Web Document Conformance Checker (BETA)

Web Document Conformance Checker (beta)

Request URI
<@{[htescape $input->{request_uri}]}>
Document URI
<@{[htescape $input->{uri}]}>
]; # no
yet push @nav, ['#document-info' => 'Information']; if (defined $input->{s}) { print STDOUT qq[
Base URI
<@{[htescape $input->{base_uri}]}>
Internet Media Type
@{[htescape $input->{media_type}]} @{[$input->{media_type_overridden} ? '(overridden)' : '']}
Character Encoding
@{[defined $input->{charset} ? ''.htescape ($input->{charset}).'' : '(none)']} @{[$input->{charset_overridden} ? '(overridden)' : '']}
]; print_http_header_section ($input); my $doc; my $el; if ($input->{media_type} eq 'text/html') { require Encode; require Whatpm::HTML; $input->{charset} ||= 'ISO-8859-1'; ## TODO: for now. my $t = Encode::decode ($input->{charset}, $input->{s}); print STDOUT qq[

Parse Errors

]; push @nav, ['#parse-errors' => 'Parse Error']; my $onerror = sub { my (%opt) = @_; my ($type, $cls, $msg) = get_text ($opt{type}, $opt{level}); if ($opt{column} > 0) { print STDOUT qq[
Line $opt{line} column $opt{column}
\n]; } else { $opt{line} = $opt{line} - 1 || 1; print STDOUT qq[
Line $opt{line}
\n]; } $type =~ tr/ /-/; $type =~ s/\|/%7C/g; $msg .= qq[ [Description]]; print STDOUT qq[
$msg
\n]; }; $doc = $dom->create_document; if (defined $inner_html_element and length $inner_html_element) { $el = $doc->create_element_ns ('http://www.w3.org/1999/xhtml', [undef, $inner_html_element]); Whatpm::HTML->set_inner_html ($el, $t, $onerror); } else { Whatpm::HTML->parse_string ($t => $doc, $onerror); } print STDOUT qq[
]; print_source_string_section (\($input->{s}), $input->{charset}); } elsif ({ 'text/xml' => 1, 'application/xhtml+xml' => 1, 'application/xml' => 1, }->{$input->{media_type}}) { require Message::DOM::XMLParserTemp; print STDOUT qq[

Parse Errors

]; push @nav, ['#parse-errors' => 'Parse Error']; my $onerror = sub { my $err = shift; my $line = $err->location->line_number; print STDOUT qq[
Line $line column ]; print STDOUT $err->location->column_number, "
"; print STDOUT htescape $err->text, "
\n"; return 1; }; open my $fh, '<', \($input->{s}); $doc = Message::DOM::XMLParserTemp->parse_byte_stream ($fh => $dom, $onerror, charset => $input->{charset}); print STDOUT qq[
]; print_source_string_section (\($input->{s}), $doc->input_encoding); } else { ## TODO: Change HTTP status code?? print STDOUT qq[

Media type @{[htescape $input->{media_type}]} is not supported!

]; push @nav, ['#result-summary' => 'Result']; } if (defined $doc or defined $el) { print STDOUT qq[

Document Tree

]; push @nav, ['#document-tree' => 'Tree']; print_document_tree ($el || $doc); print STDOUT qq[

Document Errors

]; push @nav, ['#document-errors' => 'Document Error']; require Whatpm::ContentChecker; my $onerror = sub { my %opt = @_; my ($type, $cls, $msg) = get_text ($opt{type}, $opt{level}); $type =~ tr/ /-/; $type =~ s/\|/%7C/g; $msg .= qq[ [Description]]; print STDOUT qq[
] . get_node_link ($opt{node}) . qq[
\n
], $msg, "
\n"; }; my $elements; if ($el) { $elements = Whatpm::ContentChecker->check_element ($el, $onerror); } else { $elements = Whatpm::ContentChecker->check_document ($doc, $onerror); } print STDOUT qq[
]; if (@{$elements->{table}}) { require JSON; print STDOUT qq[

Tables

]; my $i = 0; for my $table_el (@{$elements->{table}}) { $i++; print STDOUT qq[

] . get_node_link ($table_el) . q[

]; my $table = Whatpm::HTMLTable->form_table ($table_el); for (@{$table->{column_group}}, @{$table->{column}}, $table->{caption}) { next unless $_; delete $_->{element}; } for (@{$table->{row_group}}) { next unless $_; next unless $_->{element}; $_->{type} = $_->{element}->manakai_local_name; delete $_->{element}; } for (@{$table->{cell}}) { next unless $_; for (@{$_}) { next unless $_; for (@$_) { $_->{id} = refaddr $_->{element} if defined $_->{element}; delete $_->{element}; $_->{is_header} = $_->{is_header} ? 1 : 0; } } } print STDOUT '
]; } print STDOUT qq[
]; } if (keys %{$elements->{term}}) { print STDOUT qq[

Terms

]; for my $term (sort {$a cmp $b} keys %{$elements->{term}}) { print STDOUT qq[
@{[htescape $term]}
]; for (@{$elements->{term}->{$term}}) { print STDOUT qq[
].get_node_link ($_).qq[
]; } } print STDOUT qq[
]; } } ## TODO: Show result } else { print STDOUT qq[

Input Error: @{[htescape ($input->{error_status_text})]}

]; push @nav, ['#result-summary' => 'Result']; } print STDOUT qq[ ]; exit; sub print_http_header_section ($) { my $input = shift; return unless defined $input->{header_status_code} or defined $input->{header_status_text} or @{$input->{header_field}}; push @nav, ['#source-header' => 'HTTP Header']; print STDOUT qq[

HTTP Header

Note: Due to the limitation of the network library in use, the content of this section might not be the real header.

]; if (defined $input->{header_status_code}) { print STDOUT qq[]; print STDOUT qq[]; } if (defined $input->{header_status_text}) { print STDOUT qq[]; print STDOUT qq[]; } for (@{$input->{header_field}}) { print STDOUT qq[]; print STDOUT qq[]; } print STDOUT qq[
Status code@{[htescape ($input->{header_status_code})]}
Status text@{[htescape ($input->{header_status_text})]}
@{[htescape ($_->[0])]}@{[htescape ($_->[1])]}
]; } # print_http_header_section sub print_source_string_section ($$) { require Encode; my $enc = Encode::find_encoding ($_[1]); ## TODO: charset name -> Perl name return unless $enc; my $s = \($enc->decode (${$_[0]})); my $i = 1; push @nav, ['#source-string' => 'Source']; print STDOUT qq[

Document Source

    \n]; if (length $$s) { while ($$s =~ /\G([^\x0A]*?)\x0D?\x0A/gc) { print STDOUT qq[
  1. ], htescape $1, "
    2. \n"; $i++; } if ($$s =~ /\G([^\x0A]+)/gc) { print STDOUT qq[
  2. ], htescape $1, "
    3. \n"; } } else { print STDOUT q[
  3. ]; } print STDOUT "
"; } # print_input_string_section sub print_document_tree ($) { my $node = shift; my $r = '
    '; my @node = ($node); while (@node) { my $child = shift @node; unless (ref $child) { $r .= $child; next; } my $node_id = 'node-'.refaddr $child; my $nt = $child->node_type; if ($nt == $child->ELEMENT_NODE) { my $child_nsuri = $child->namespace_uri; $r .= qq[
  1. ] . htescape ($child->tag_name) . ''; ## ISSUE: case if ($child->has_attributes) { $r .= ''; } if ($child->has_child_nodes) { $r .= '
      '; unshift @node, @{$child->child_nodes}, '
    2. '; } else { $r .= ''; } } elsif ($nt == $child->TEXT_NODE) { $r .= qq'
  2. ' . htescape ($child->data) . '
    3. '; } elsif ($nt == $child->CDATA_SECTION_NODE) { $r .= qq'
  3. <[CDATA[' . htescape ($child->data) . ']]>
    4. '; } elsif ($nt == $child->COMMENT_NODE) { $r .= qq'
  4. <!--' . htescape ($child->data) . '-->
    5. '; } elsif ($nt == $child->DOCUMENT_NODE) { $r .= qq'
  5. Document'; $r .= qq[]; if ($child->has_child_nodes) { $r .= '
      '; unshift @node, @{$child->child_nodes}, '
    6. '; } } elsif ($nt == $child->DOCUMENT_TYPE_NODE) { $r .= qq'
  6. <!DOCTYPE>
    7. '; } elsif ($nt == $child->PROCESSING_INSTRUCTION_NODE) { $r .= qq'
  7. <?@{[htescape ($child->target)]} @{[htescape ($child->data)]}?>
    8. '; } else { $r .= qq'
  8. @{[$child->node_type]} @{[htescape ($child->node_name)]}
    9. '; # error } } $r .= '
'; print STDOUT $r; } # print_document_tree sub get_node_path ($) { my $node = shift; my @r; while (defined $node) { my $rs; if ($node->node_type == 1) { $rs = $node->manakai_local_name; $node = $node->parent_node; } elsif ($node->node_type == 2) { $rs = '@' . $node->manakai_local_name; $node = $node->owner_element; } elsif ($node->node_type == 3) { $rs = '"' . $node->data . '"'; $node = $node->parent_node; } elsif ($node->node_type == 9) { @r = ('') unless @r; $rs = ''; $node = $node->parent_node; } else { $rs = '#' . $node->node_type; $node = $node->parent_node; } unshift @r, $rs; } return join '/', @r; } # get_node_path sub get_node_link ($) { return qq[] . htescape (get_node_path ($_[0])) . qq[]; } # get_node_link { my $Msg = {}; sub load_text_catalog ($) { my $lang = shift; # MUST be a canonical lang name open my $file, '<', "cc-msg.$lang.txt" or die "$0: cc-msg.$lang.txt: $!"; while (<$file>) { if (s/^([^;]+);([^;]*);//) { my ($type, $cls, $msg) = ($1, $2, $_); $msg =~ tr/\x0D\x0A//d; $Msg->{$type} = [$cls, $msg]; } } } # load_text_catalog sub get_text ($) { my ($type, $level) = @_; $type = $level . ':' . $type if defined $level; my @arg; { if (defined $Msg->{$type}) { my $msg = $Msg->{$type}->[1]; $msg =~ s{\$([0-9]+)}{ defined $arg[$1] ? htescape ($arg[$1]) : '(undef)'; }ge; return ($type, $Msg->{$type}->[0], $msg); } elsif ($type =~ s/:([^:]*)$//) { unshift @arg, $1; redo; } } return ($type, '', htescape ($_[0])); } # get_text } sub get_input_document ($$) { my ($http, $dom) = @_; my $request_uri = $http->parameter ('uri'); my $r = {}; if (defined $request_uri and length $request_uri) { my $uri = $dom->create_uri_reference ($request_uri); unless ({ http => 1, }->{lc $uri->uri_scheme}) { return {uri => $request_uri, request_uri => $request_uri, error_status_text => 'URI scheme not allowed'}; } require Message::Util::HostPermit; my $host_permit = new Message::Util::HostPermit; $host_permit->add_rule (<check ($uri->uri_host, $uri->uri_port || 80)) { return {uri => $request_uri, request_uri => $request_uri, error_status_text => 'Connection to the host is forbidden'}; } require LWP::UserAgent; my $ua = WDCC::LWPUA->new; $ua->{wdcc_dom} = $dom; $ua->{wdcc_host_permit} = $host_permit; $ua->agent ('Mozilla'); ## TODO: for now. $ua->parse_head (0); $ua->protocols_allowed ([qw/http/]); $ua->max_size (1000_000); my $req = HTTP::Request->new (GET => $request_uri); my $res = $ua->request ($req); if ($res->is_success or $http->parameter ('error-page')) { $r->{base_uri} = $res->base; ## NOTE: It does check |Content-Base|, |Content-Location|, and . ## TODO: Use our own code! $r->{uri} = $res->request->uri; $r->{request_uri} = $request_uri; ## TODO: More strict parsing... my $ct = $res->header ('Content-Type'); if (defined $ct and $ct =~ m#^([0-9A-Za-z._+-]+/[0-9A-Za-z._+-]+)#) { $r->{media_type} = lc $1; } if (defined $ct and $ct =~ /;\s*charset\s*=\s*"?(\S+)"?/i) { $r->{charset} = lc $1; $r->{charset} =~ tr/\\//d; } my $input_charset = $http->parameter ('charset'); if (defined $input_charset and length $input_charset) { $r->{charset_overridden} = (not defined $r->{charset} or $r->{charset} ne $input_charset); $r->{charset} = $input_charset; } $r->{s} = ''.$res->content; } else { $r->{uri} = $res->request->uri; $r->{request_uri} = $request_uri; $r->{error_status_text} = $res->status_line; } $r->{header_field} = []; $res->scan (sub { push @{$r->{header_field}}, [$_[0], $_[1]]; }); $r->{header_status_code} = $res->code; $r->{header_status_text} = $res->message; } else { $r->{s} = ''.$http->parameter ('s'); $r->{uri} = q; $r->{request_uri} = q; $r->{base_uri} = q; $r->{charset} = ''.$http->parameter ('_charset_'); $r->{charset} =~ s/\s+//g; $r->{charset} = 'utf-8' if $r->{charset} eq ''; $r->{header_field} = []; } my $input_format = $http->parameter ('i'); if (defined $input_format and length $input_format) { $r->{media_type_overridden} = (not defined $r->{media_type} or $input_format ne $r->{media_type}); $r->{media_type} = $input_format; } if (defined $r->{s} and not defined $r->{media_type}) { $r->{media_type} = 'text/html'; $r->{media_type_overridden} = 1; } if ($r->{media_type} eq 'text/xml') { unless (defined $r->{charset}) { $r->{charset} = 'us-ascii'; } elsif ($r->{charset_overridden} and $r->{charset} eq 'us-ascii') { $r->{charset_overridden} = 0; } } if (length $r->{s} > 1000_000) { $r->{error_status_text} = 'Entity-body too large'; delete $r->{s}; return $r; } return $r; } # get_input_document package WDCC::LWPUA; BEGIN { push our @ISA, 'LWP::UserAgent'; } sub redirect_ok { my $ua = shift; unless ($ua->SUPER::redirect_ok (@_)) { return 0; } my $uris = $_[1]->header ('Location'); return 0 unless $uris; my $uri = $ua->{wdcc_dom}->create_uri_reference ($uris); unless ({ http => 1, }->{lc $uri->uri_scheme}) { return 0; } unless ($ua->{wdcc_host_permit}->check ($uri->uri_host, $uri->uri_port || 80)) { return 0; } return 1; } # redirect_ok =head1 AUTHOR Wakaba . =head1 LICENSE Copyright 2007 Wakaba This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. =cut ## $Date: 2007/07/16 10:55:11 $