425 lines
11 KiB
Perl
425 lines
11 KiB
Perl
#!/usr/bin/perl
|
|
# Ikiwiki metadata plugin.
|
|
package IkiWiki::Plugin::meta;
|
|
|
|
use warnings;
|
|
use strict;
|
|
use IkiWiki 3.00;
|
|
|
|
my %metaheaders;
|
|
|
|
sub import {
|
|
hook(type => "getsetup", id => "meta", call => \&getsetup);
|
|
hook(type => "needsbuild", id => "meta", call => \&needsbuild);
|
|
hook(type => "preprocess", id => "meta", call => \&preprocess, scan => 1);
|
|
hook(type => "pagetemplate", id => "meta", call => \&pagetemplate);
|
|
}
|
|
|
|
sub getsetup () {
|
|
return
|
|
plugin => {
|
|
safe => 1,
|
|
rebuild => undef,
|
|
section => "core",
|
|
},
|
|
}
|
|
|
|
sub needsbuild (@) {
|
|
my $needsbuild=shift;
|
|
foreach my $page (keys %pagestate) {
|
|
if (exists $pagestate{$page}{meta}) {
|
|
if (exists $pagesources{$page} &&
|
|
grep { $_ eq $pagesources{$page} } @$needsbuild) {
|
|
# remove state, it will be re-added
|
|
# if the preprocessor directive is still
|
|
# there during the rebuild
|
|
delete $pagestate{$page}{meta};
|
|
}
|
|
}
|
|
}
|
|
return $needsbuild;
|
|
}
|
|
|
|
sub scrub ($$$) {
|
|
if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
|
|
return IkiWiki::Plugin::htmlscrubber::sanitize(
|
|
content => shift, page => shift, destpage => shift);
|
|
}
|
|
else {
|
|
return shift;
|
|
}
|
|
}
|
|
|
|
sub safeurl ($) {
|
|
my $url=shift;
|
|
if (exists $IkiWiki::Plugin::htmlscrubber::{safe_url_regexp} &&
|
|
defined $IkiWiki::Plugin::htmlscrubber::safe_url_regexp) {
|
|
return $url=~/$IkiWiki::Plugin::htmlscrubber::safe_url_regexp/;
|
|
}
|
|
else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sub htmlize ($$$) {
|
|
my $page = shift;
|
|
my $destpage = shift;
|
|
|
|
return IkiWiki::htmlize($page, $destpage, pagetype($pagesources{$page}),
|
|
IkiWiki::linkify($page, $destpage,
|
|
IkiWiki::preprocess($page, $destpage, shift)));
|
|
}
|
|
|
|
sub preprocess (@) {
|
|
return "" unless @_;
|
|
my %params=@_;
|
|
my $key=shift;
|
|
my $value=$params{$key};
|
|
delete $params{$key};
|
|
my $page=$params{page};
|
|
delete $params{page};
|
|
my $destpage=$params{destpage};
|
|
delete $params{destpage};
|
|
delete $params{preview};
|
|
|
|
eval q{use HTML::Entities};
|
|
# Always decode, even if encoding later, since it might not be
|
|
# fully encoded.
|
|
$value=decode_entities($value);
|
|
|
|
# Metadata collection that needs to happen during the scan pass.
|
|
if ($key eq 'title') {
|
|
$pagestate{$page}{meta}{title}=$value;
|
|
if (exists $params{sortas}) {
|
|
$pagestate{$page}{meta}{titlesort}=$params{sortas};
|
|
}
|
|
else {
|
|
delete $pagestate{$page}{meta}{titlesort};
|
|
}
|
|
return "";
|
|
}
|
|
elsif ($key eq 'description') {
|
|
$pagestate{$page}{meta}{description}=$value;
|
|
# fallthrough
|
|
}
|
|
elsif ($key eq 'guid') {
|
|
$pagestate{$page}{meta}{guid}=$value;
|
|
# fallthrough
|
|
}
|
|
elsif ($key eq 'license') {
|
|
push @{$metaheaders{$page}}, '<link rel="license" href="#page_license" />';
|
|
$pagestate{$page}{meta}{license}=$value;
|
|
return "";
|
|
}
|
|
elsif ($key eq 'copyright') {
|
|
push @{$metaheaders{$page}}, '<link rel="copyright" href="#page_copyright" />';
|
|
$pagestate{$page}{meta}{copyright}=$value;
|
|
return "";
|
|
}
|
|
elsif ($key eq 'link' && ! %params) {
|
|
# hidden WikiLink
|
|
add_link($page, $value);
|
|
return "";
|
|
}
|
|
elsif ($key eq 'author') {
|
|
$pagestate{$page}{meta}{author}=$value;
|
|
if (exists $params{sortas}) {
|
|
$pagestate{$page}{meta}{authorsort}=$params{sortas};
|
|
}
|
|
else {
|
|
delete $pagestate{$page}{meta}{authorsort};
|
|
}
|
|
# fallthorough
|
|
}
|
|
elsif ($key eq 'authorurl') {
|
|
$pagestate{$page}{meta}{authorurl}=$value if safeurl($value);
|
|
# fallthrough
|
|
}
|
|
elsif ($key eq 'permalink') {
|
|
$pagestate{$page}{meta}{permalink}=$value if safeurl($value);
|
|
# fallthrough
|
|
}
|
|
elsif ($key eq 'date') {
|
|
eval q{use Date::Parse};
|
|
if (! $@) {
|
|
my $time = str2time($value);
|
|
$IkiWiki::pagectime{$page}=$time if defined $time;
|
|
}
|
|
}
|
|
elsif ($key eq 'updated') {
|
|
eval q{use Date::Parse};
|
|
if (! $@) {
|
|
my $time = str2time($value);
|
|
$pagestate{$page}{meta}{updated}=$time if defined $time;
|
|
}
|
|
}
|
|
|
|
if (! defined wantarray) {
|
|
# avoid collecting duplicate data during scan pass
|
|
return;
|
|
}
|
|
|
|
# Metadata handling that happens only during preprocessing pass.
|
|
if ($key eq 'permalink') {
|
|
if (safeurl($value)) {
|
|
push @{$metaheaders{$page}}, scrub('<link rel="bookmark" href="'.encode_entities($value).'" />', $page, $destpage);
|
|
}
|
|
}
|
|
elsif ($key eq 'stylesheet') {
|
|
my $rel=exists $params{rel} ? $params{rel} : "alternate stylesheet";
|
|
my $title=exists $params{title} ? $params{title} : $value;
|
|
# adding .css to the value prevents using any old web
|
|
# editable page as a stylesheet
|
|
my $stylesheet=bestlink($page, $value.".css");
|
|
if (! length $stylesheet) {
|
|
error gettext("stylesheet not found")
|
|
}
|
|
push @{$metaheaders{$page}}, '<link href="'.urlto($stylesheet, $page).
|
|
'" rel="'.encode_entities($rel).
|
|
'" title="'.encode_entities($title).
|
|
"\" type=\"text/css\" />";
|
|
}
|
|
elsif ($key eq 'openid') {
|
|
my $delegate=0; # both by default
|
|
if (exists $params{delegate}) {
|
|
$delegate = 1 if lc $params{delegate} eq 'openid';
|
|
$delegate = 2 if lc $params{delegate} eq 'openid2';
|
|
}
|
|
if (exists $params{server} && safeurl($params{server})) {
|
|
push @{$metaheaders{$page}}, '<link href="'.encode_entities($params{server}).
|
|
'" rel="openid.server" />' if $delegate ne 2;
|
|
push @{$metaheaders{$page}}, '<link href="'.encode_entities($params{server}).
|
|
'" rel="openid2.provider" />' if $delegate ne 1;
|
|
}
|
|
if (safeurl($value)) {
|
|
push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
|
|
'" rel="openid.delegate" />' if $delegate ne 2;
|
|
push @{$metaheaders{$page}}, '<link href="'.encode_entities($value).
|
|
'" rel="openid2.local_id" />' if $delegate ne 1;
|
|
}
|
|
if (exists $params{"xrds-location"} && safeurl($params{"xrds-location"})) {
|
|
# force url absolute
|
|
eval q{use URI};
|
|
error($@) if $@;
|
|
my $url=URI->new_abs($params{"xrds-location"}, $config{url});
|
|
push @{$metaheaders{$page}}, '<meta http-equiv="X-XRDS-Location" '.
|
|
'content="'.encode_entities($url).'" />';
|
|
}
|
|
}
|
|
elsif ($key eq 'redir') {
|
|
return "" if $page ne $destpage;
|
|
my $safe=0;
|
|
if ($value !~ /^\w+:\/\//) {
|
|
my ($redir_page, $redir_anchor) = split /\#/, $value;
|
|
|
|
my $link=bestlink($page, $redir_page);
|
|
if (! length $link) {
|
|
error gettext("redir page not found")
|
|
}
|
|
add_depends($page, $link, deptype("presence"));
|
|
|
|
$value=urlto($link, $page);
|
|
$value.='#'.$redir_anchor if defined $redir_anchor;
|
|
$safe=1;
|
|
|
|
# redir cycle detection
|
|
$pagestate{$page}{meta}{redir}=$link;
|
|
my $at=$page;
|
|
my %seen;
|
|
while (exists $pagestate{$at}{meta}{redir}) {
|
|
if ($seen{$at}) {
|
|
error gettext("redir cycle is not allowed")
|
|
}
|
|
$seen{$at}=1;
|
|
$at=$pagestate{$at}{meta}{redir};
|
|
}
|
|
}
|
|
else {
|
|
$value=encode_entities($value);
|
|
}
|
|
my $delay=int(exists $params{delay} ? $params{delay} : 0);
|
|
my $redir="<meta http-equiv=\"refresh\" content=\"$delay; URL=$value\" />";
|
|
if (! $safe) {
|
|
$redir=scrub($redir, $page, $destpage);
|
|
}
|
|
push @{$metaheaders{$page}}, $redir;
|
|
}
|
|
elsif ($key eq 'link') {
|
|
if (%params) {
|
|
push @{$metaheaders{$page}}, scrub("<link href=\"".encode_entities($value)."\" ".
|
|
join(" ", map {
|
|
encode_entities($_)."=\"".encode_entities(decode_entities($params{$_}))."\""
|
|
} keys %params).
|
|
" />\n", $page, $destpage);
|
|
}
|
|
}
|
|
elsif ($key eq 'robots') {
|
|
push @{$metaheaders{$page}}, '<meta name="robots"'.
|
|
' content="'.encode_entities($value).'" />';
|
|
}
|
|
elsif ($key eq 'description') {
|
|
push @{$metaheaders{$page}}, '<meta name="'.
|
|
encode_entities($key).
|
|
'" content="'.encode_entities($value).'" />';
|
|
}
|
|
elsif ($key eq 'name') {
|
|
push @{$metaheaders{$page}}, scrub('<meta '.$key.'="'.
|
|
encode_entities($value).
|
|
join(' ', map { "$_=\"$params{$_}\"" } keys %params).
|
|
' />', $page, $destpage);
|
|
}
|
|
else {
|
|
push @{$metaheaders{$page}}, scrub('<meta name="'.
|
|
encode_entities($key).'" content="'.
|
|
encode_entities($value).'" />', $page, $destpage);
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
sub pagetemplate (@) {
|
|
my %params=@_;
|
|
my $page=$params{page};
|
|
my $destpage=$params{destpage};
|
|
my $template=$params{template};
|
|
|
|
if (exists $metaheaders{$page} && $template->query(name => "meta")) {
|
|
# avoid duplicate meta lines
|
|
my %seen;
|
|
$template->param(meta => join("\n", grep { (! $seen{$_}) && ($seen{$_}=1) } @{$metaheaders{$page}}));
|
|
}
|
|
if (exists $pagestate{$page}{meta}{title} && $template->query(name => "title")) {
|
|
$template->param(title => HTML::Entities::encode_numeric($pagestate{$page}{meta}{title}));
|
|
$template->param(title_overridden => 1);
|
|
}
|
|
|
|
foreach my $field (qw{author authorurl permalink}) {
|
|
$template->param($field => $pagestate{$page}{meta}{$field})
|
|
if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
|
|
}
|
|
|
|
foreach my $field (qw{permalink}) {
|
|
$template->param($field => IkiWiki::urlabs($pagestate{$page}{meta}{$field}, $config{url}))
|
|
if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
|
|
}
|
|
|
|
foreach my $field (qw{description}) {
|
|
$template->param($field => HTML::Entities::encode_numeric($pagestate{$page}{meta}{$field}))
|
|
if exists $pagestate{$page}{meta}{$field} && $template->query(name => $field);
|
|
}
|
|
|
|
foreach my $field (qw{license copyright}) {
|
|
if (exists $pagestate{$page}{meta}{$field} && $template->query(name => $field) &&
|
|
($page eq $destpage || ! exists $pagestate{$destpage}{meta}{$field} ||
|
|
$pagestate{$page}{meta}{$field} ne $pagestate{$destpage}{meta}{$field})) {
|
|
$template->param($field => htmlize($page, $destpage, $pagestate{$page}{meta}{$field}));
|
|
}
|
|
}
|
|
}
|
|
|
|
sub get_sort_key {
|
|
my $page = shift;
|
|
my $meta = shift;
|
|
|
|
# e.g. titlesort (also makes sense for author)
|
|
my $key = $pagestate{$page}{meta}{$meta . "sort"};
|
|
return $key if defined $key;
|
|
|
|
# e.g. title
|
|
$key = $pagestate{$page}{meta}{$meta};
|
|
return $key if defined $key;
|
|
|
|
# fall back to closer-to-core things
|
|
if ($meta eq 'title') {
|
|
return pagetitle(IkiWiki::basename($page));
|
|
}
|
|
elsif ($meta eq 'date') {
|
|
return $IkiWiki::pagectime{$page};
|
|
}
|
|
elsif ($meta eq 'updated') {
|
|
return $IkiWiki::pagemtime{$page};
|
|
}
|
|
else {
|
|
return '';
|
|
}
|
|
}
|
|
|
|
sub match {
|
|
my $field=shift;
|
|
my $page=shift;
|
|
|
|
# turn glob into a safe regexp
|
|
my $re=IkiWiki::glob2re(shift);
|
|
|
|
my $val;
|
|
if (exists $pagestate{$page}{meta}{$field}) {
|
|
$val=$pagestate{$page}{meta}{$field};
|
|
}
|
|
elsif ($field eq 'title') {
|
|
$val = pagetitle($page);
|
|
}
|
|
|
|
if (defined $val) {
|
|
if ($val=~$re) {
|
|
return IkiWiki::SuccessReason->new("$re matches $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
|
|
}
|
|
else {
|
|
return IkiWiki::FailReason->new("$re does not match $field of $page", $page => $IkiWiki::DEPEND_CONTENT, "" => 1);
|
|
}
|
|
}
|
|
else {
|
|
return IkiWiki::FailReason->new("$page does not have a $field", $page => $IkiWiki::DEPEND_CONTENT);
|
|
}
|
|
}
|
|
|
|
package IkiWiki::PageSpec;
|
|
|
|
sub match_title ($$;@) {
|
|
IkiWiki::Plugin::meta::match("title", @_);
|
|
}
|
|
|
|
sub match_author ($$;@) {
|
|
IkiWiki::Plugin::meta::match("author", @_);
|
|
}
|
|
|
|
sub match_authorurl ($$;@) {
|
|
IkiWiki::Plugin::meta::match("authorurl", @_);
|
|
}
|
|
|
|
sub match_license ($$;@) {
|
|
IkiWiki::Plugin::meta::match("license", @_);
|
|
}
|
|
|
|
sub match_copyright ($$;@) {
|
|
IkiWiki::Plugin::meta::match("copyright", @_);
|
|
}
|
|
|
|
sub match_guid ($$;@) {
|
|
IkiWiki::Plugin::meta::match("guid", @_);
|
|
}
|
|
|
|
package IkiWiki::SortSpec;
|
|
|
|
sub cmp_meta {
|
|
my $meta = shift;
|
|
error(gettext("sort=meta requires a parameter")) unless defined $meta;
|
|
|
|
if ($meta eq 'updated' || $meta eq 'date') {
|
|
return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
|
|
<=>
|
|
IkiWiki::Plugin::meta::get_sort_key($b, $meta);
|
|
}
|
|
|
|
return IkiWiki::Plugin::meta::get_sort_key($a, $meta)
|
|
cmp
|
|
IkiWiki::Plugin::meta::get_sort_key($b, $meta);
|
|
}
|
|
|
|
# A prototype of how sort=title could behave in 4.0 or something
|
|
sub cmp_meta_title {
|
|
$_[0] = 'title';
|
|
return cmp_meta(@_);
|
|
}
|
|
|
|
1
|