138 lines
3.5 KiB
Perl
138 lines
3.5 KiB
Perl
#!/usr/bin/perl
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# Ikiwiki metadata plugin.
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package IkiWiki::Plugin::meta;
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use warnings;
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use strict;
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use IkiWiki;
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my %meta;
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my %title;
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my %permalink;
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my %author;
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my %authorurl;
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sub import { #{{{
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hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
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hook(type => "filter", id => "meta", call => \&filter);
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hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
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} # }}}
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sub filter (@) { #{{{
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my %params=@_;
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$meta{$params{page}}='';
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return $params{content};
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} # }}}
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sub scrub ($) { #{{{
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if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
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return IkiWiki::Plugin::htmlscrubber::sanitize(content => shift);
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}
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else {
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return shift;
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}
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} #}}}
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sub preprocess (@) { #{{{
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if (! @_) {
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return "";
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}
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my %params=@_;
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my $key=shift;
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my $value=$params{$key};
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delete $params{$key};
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my $page=$params{page};
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delete $params{page};
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delete $params{destpage};
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delete $params{preview};
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eval q{use HTML::Entities};
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# Always dencode, even if encoding later, since it might not be
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# fully encoded.
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$value=decode_entities($value);
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if ($key eq 'link') {
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if (%params) {
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$meta{$page}.=scrub("<link href=\"".encode_entities($value)."\" ".
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join(" ", map { encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\"" } keys %params).
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" />\n");
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}
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else {
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# hidden WikiLink
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push @{$links{$page}}, $value;
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}
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}
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elsif ($key eq 'title') {
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$title{$page}=encode_entities($value);
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}
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elsif ($key eq 'permalink') {
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$permalink{$page}=$value;
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$meta{$page}.=scrub("<link rel=\"bookmark\" href=\"".encode_entities($value)."\" />\n");
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}
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elsif ($key eq 'date') {
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eval q{use Date::Parse};
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if (! $@) {
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my $time = str2time($value);
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$IkiWiki::pagectime{$page}=$time if defined $time;
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}
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}
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elsif ($key eq 'stylesheet') {
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my $rel=exists $params{rel} ? $params{rel} : "alternate stylesheet";
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my $title=exists $params{title} ? $params{title} : $value;
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# adding .css to the value prevents using any old web
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# editable page as a stylesheet
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my $stylesheet=bestlink($page, $value.".css");
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if (! length $stylesheet) {
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return "[[meta ".gettext("stylesheet not found")."]]";
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}
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$meta{$page}.='<link href="'.$stylesheet.
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'" rel="'.encode_entities($rel).
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'" title="'.encode_entities($title).
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"\" style=\"text/css\" />\n";
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}
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elsif ($key eq 'openid') {
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if (exists $params{server}) {
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$meta{$page}.='<link href="'.encode_entities($params{server}).
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"\" rel=\"openid.server\" />\n";
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}
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$meta{$page}.='<link href="'.encode_entities($value).
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"\" rel=\"openid.delegate\" />\n";
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}
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else {
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$meta{$page}.=scrub("<meta name=\"".encode_entities($key).
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"\" content=\"".encode_entities($value)."\" />\n");
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if ($key eq 'author') {
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$author{$page}=$value;
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}
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elsif ($key eq 'authorurl') {
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$authorurl{$page}=$value;
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}
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}
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return "";
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} # }}}
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sub pagetemplate (@) { #{{{
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my %params=@_;
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my $page=$params{page};
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my $template=$params{template};
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$template->param(meta => $meta{$page})
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if exists $meta{$page} && $template->query(name => "meta");
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if (exists $title{$page} && $template->query(name => "title")) {
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$template->param(title => $title{$page});
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$template->param(title_overridden => 1);
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}
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$template->param(permalink => $permalink{$page})
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if exists $permalink{$page} && $template->query(name => "permalink");
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$template->param(author => $author{$page})
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if exists $author{$page} && $template->query(name => "author");
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$template->param(authorurl => $authorurl{$page})
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if exists $authorurl{$page} && $template->query(name => "authorurl");
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} # }}}
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1
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