X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/819b31d46c05c00d4183f824f74bfe3836471d78..7e7dea078bce3437b9a14d96079ddd68a5f0aab9:/IkiWiki/Plugin/meta.pm
diff --git a/IkiWiki/Plugin/meta.pm b/IkiWiki/Plugin/meta.pm
index adfd688a6..eebe3460f 100644
--- a/IkiWiki/Plugin/meta.pm
+++ b/IkiWiki/Plugin/meta.pm
@@ -4,95 +4,432 @@ package IkiWiki::Plugin::meta;
use warnings;
use strict;
-use IkiWiki;
-
-my %meta;
-my %title;
-my %permalink;
-my %author;
-my %authorurl;
-
-sub import { #{{{
- IkiWiki::hook(type => "preprocess", id => "meta",
- call => \&preprocess);
- IkiWiki::hook(type => "filter", id => "meta",
- call => \&filter);
- IkiWiki::hook(type => "pagetemplate", id => "meta",
- call => \&pagetemplate);
-} # }}}
-
-sub filter (@) { #{{{
- my %params=@_;
-
- $meta{$params{page}}='';
+use IkiWiki 3.00;
- return $params{content};
-} # }}}
+my %metaheaders;
-sub preprocess (@) { #{{{
- if (! @_) {
- return "";
+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 dencode, even if encoding later, since it might not be
+ # Always decode, even if encoding later, since it might not be
# fully encoded.
$value=decode_entities($value);
- if ($key eq 'link') {
- if (%params) {
- $meta{$page}.="\n";
+ # 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}}, '';
+ $pagestate{$page}{meta}{license}=$value;
+ return "";
+ }
+ elsif ($key eq 'copyright') {
+ push @{$metaheaders{$page}}, '';
+ $pagestate{$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}=$params{sortas};
}
else {
- # hidden WikiLink
- push @{$IkiWiki::links{$page}}, $value;
+ delete $pagestate{$page}{meta}{authorsort};
}
+ # fallthorough
}
- elsif ($key eq 'title') {
- $title{$page}=$value;
+ elsif ($key eq 'authorurl') {
+ $pagestate{$page}{meta}{authorurl}=$value if safeurl($value);
+ # fallthrough
}
elsif ($key eq 'permalink') {
- $permalink{$page}=$value;
+ $pagestate{$page}{meta}{permalink}=$value if safeurl($value);
+ # fallthrough
}
- else {
- $meta{$page}.="\n";
- if ($key eq 'author') {
- $author{$page}=$value;
+ elsif ($key eq 'date') {
+ eval q{use Date::Parse};
+ if (! $@) {
+ my $time = str2time($value);
+ $IkiWiki::pagectime{$page}=$time if defined $time;
}
- elsif ($key eq 'authorurl') {
- $authorurl{$page}=$value;
+ }
+ elsif ($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('', $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}}, scrub('", $page, $destpage);
+ }
+ elsif ($key eq 'script') {
+ my $defer=exists $params{defer} ? ' defer="defer"' : '';
+ my $async=exists $params{async} ? ' async="async"' : '';
+ my $js=bestlink($page, $value.".js");
+ if (! length $js) {
+ error gettext("script not found");
+ }
+ push @{$metaheaders{$page}}, scrub('',
+ $page, $destpage);
+ }
+ elsif ($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}}, '' if $delegate ne 2;
+ push @{$metaheaders{$page}}, '' if $delegate ne 1;
+ }
+ if (safeurl($value)) {
+ push @{$metaheaders{$page}}, '' if $delegate ne 2;
+ push @{$metaheaders{$page}}, '' 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{$page}}, '';
+ }
+ }
+ elsif ($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="";
+ if (! $safe) {
+ $redir=scrub($redir, $page, $destpage);
+ }
+ push @{$metaheaders{$page}}, $redir;
+ }
+ elsif ($key eq 'link') {
+ if (%params) {
+ push @{$metaheaders{$page}}, scrub("\n", $page, $destpage);
+ }
+ }
+ elsif ($key eq 'robots') {
+ push @{$metaheaders{$page}}, '';
+ }
+ elsif ($key eq 'description') {
+ push @{$metaheaders{$page}}, '';
+ }
+ elsif ($key eq 'name') {
+ push @{$metaheaders{$page}}, scrub('', $page, $destpage);
+ }
+ else {
+ push @{$metaheaders{$page}}, scrub('', $page, $destpage);
+ }
+
return "";
-} # }}}
+}
-sub pagetemplate (@) { #{{{
+sub pagetemplate (@) {
my %params=@_;
my $page=$params{page};
+ my $destpage=$params{destpage};
my $template=$params{template};
- $template->param(meta => $meta{$page})
- if exists $meta{$page} && $template->query(name => "meta");
- $template->param(title => $title{$page})
- if exists $title{$page} && $template->query(name => "title");
- $template->param(permalink => $permalink{$page})
- if exists $permalink{$page} && $template->query(name => "permalink");
- $template->param(author => $author{$page})
- if exists $author{$page} && $template->query(name => "author");
- $template->param(authorurl => $authorurl{$page})
- if exists $authorurl{$page} && $template->query(name => "authorurl");
+ 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