X-Git-Url: https://scripts.mit.edu/gitweb/www/ikiwiki.git/blobdiff_plain/33f9eeb4fb2a530840922098121a5d22d92cf890..832d4d31d177d5d5f848250496048a00e9d70e2f:/IkiWiki/Plugin/po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index a920618fa..0a970284c 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -10,6 +10,16 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Encode;
+BEGIN {
+	eval 'use Locale::Po4a::Common qw(nowrapi18n)';
+	if ($@) {
+		warning(sprintf(gettext('%s is too old, can not disable %s; '.
+					'a denial of service can thus be '.
+					'triggered by malicious content'),
+				'Locale::Po4a', 'Text::WrapI18N'));
+		eval 'use Locale::Po4a::Common';
+	}
+}
 use Locale::Po4a::Chooser;
 use Locale::Po4a::Po;
 use File::Basename;
@@ -56,6 +66,8 @@ sub import {
 	inject(name => "IkiWiki::urlto", call => \&myurlto);
 	$origsubs{'nicepagetitle'}=\&IkiWiki::nicepagetitle;
 	inject(name => "IkiWiki::nicepagetitle", call => \&mynicepagetitle);
+	$origsubs{'cgiurl'}=\&IkiWiki::cgiurl;
+	inject(name => "IkiWiki::cgiurl", call => \&mycgiurl);
 }
 
 
@@ -355,6 +367,42 @@ sub mydelete(@) {
 sub change(@) {
 	my @rendered=@_;
 
+	# All meta titles are first extracted at scan time, i.e. before we turn
+	# PO files back into translated markdown; escaping of double-quotes in
+	# PO files breaks the meta plugin's parsing enough to save ugly titles
+	# to %pagestate at this time.
+	#
+	# Then, at render time, every page's passes on row through the Great
+	# Rendering Chain (filter->preprocess->linkify->htmlize), and the meta
+	# plugin's preprocess hook is this time in a position to correctly
+	# extract the titles from slave pages.
+	#
+	# This is, unfortunately, too late: if the page A, linking to the page B,
+	# is rendered before B, it will display the wrongly-extracted meta title
+	# as the link text to B.
+	#
+	# On the one hand, such a corner case only happens on rebuild: on
+	# refresh, every rendered page is fixed to contain correct meta titles.
+	# On the other hand, it can take some time to get every page fixed.
+	# We therefore re-render every rendered page after a rebuild to fix them
+	# at once. As this more or less doubles the time needed to rebuild the
+	# wiki, we do so only when really needed.
+
+	if (scalar @rendered
+	    && exists $config{rebuild} && defined $config{rebuild} && $config{rebuild}
+	    && UNIVERSAL::can("IkiWiki::Plugin::meta", "getsetup")
+	    && exists $config{meta_overrides_page_title}
+	    && defined $config{meta_overrides_page_title}
+	    && $config{meta_overrides_page_title}) {
+		debug(sprintf(gettext("re-rendering all pages to fix meta titles")));
+		resetalreadyfiltered();
+		require IkiWiki::Render;
+		foreach my $file (@rendered) {
+			debug(sprintf(gettext("rendering %s"), $file));
+			IkiWiki::render($file);
+		}
+	}
+
 	my $updated_po_files=0;
 
 	# Refresh/create POT and PO files as needed.
@@ -475,28 +523,32 @@ sub formbuilder_setup (@) {
 	}
 }
 
-# Do not allow to create pages of type po: they are automatically created.
-# The main reason to do so is to bypass the "favor the type of linking page
-# on page creation" logic, which is unsuitable when a broken link is clicked
-# on a slave (PO) page.
 sub formbuilder (@) {
 	my %params=@_;
 	my $form=$params{form};
 	my $q=$params{cgi};
 
-	return unless (defined $form->field("do") && $form->field("do") eq "create");
+	return unless defined $form->field("do");
 
-        for my $field ($form->field) {
-		next unless "$field" eq "type";
-		if ($field->type eq 'select') {
-			# remove po from the types list
-			my @types = grep { $_ ne 'po' } $field->options;
-			$field->options(\@types) if scalar @types;
-		}
-		else {
-			# make sure the default value is not po;
-			# does this case actually happen?
-			debug "po(formbuilder) ".gettext("type field is not select - not implemented yet");
+	# Do not allow to create pages of type po: they are automatically created.
+	# The main reason to do so is to bypass the "favor the type of linking page
+	# on page creation" logic, which is unsuitable when a broken link is clicked
+	# on a slave (PO) page.
+	# This cannot be done in the formbuilder_setup hook as the list of types is
+	# computed later.
+	if ($form->field("do") eq "create") {
+	        for my $field ($form->field) {
+			next unless "$field" eq "type";
+			if ($field->type eq 'select') {
+				# remove po from the list of types
+				my @types = grep { $_ ne 'po' } $field->options;
+				$field->options(\@types) if scalar @types;
+			}
+			else {
+				# make sure the default value is not po;
+				# does this case actually happen?
+				debug "po(formbuilder) ".gettext("type field is not select - not implemented yet");
+			}
 		}
 	}
 }
@@ -589,9 +641,22 @@ sub mynicepagetitle ($;$) {
 	my $res = $origsubs{'nicepagetitle'}->($page, $unescaped);
 	return $res unless istranslation($page);
 	return $res unless $config{po_translation_status_in_links};
+	my @caller = caller(1);
+	return $res if (exists $caller[3] && defined $caller[3]
+			&& $caller[3] eq "IkiWiki::Plugin::parentlinks::parentlinks");
 	return $res.' ('.percenttranslated($page).' %)';
 }
 
+sub mycgiurl (@) {
+	my %params=@_;
+
+	# slave pages have no subpages
+	if (istranslation($params{'from'})) {
+		$params{'from'} = masterpage($params{'from'});
+	}
+	return $origsubs{'cgiurl'}->(%params);
+}
+
 # ,----
 # | Blackboxes for private data
 # `----
@@ -646,6 +711,7 @@ sub istranslatablefile ($) {
 	return 0 unless defined $file;
 	return 0 if (defined pagetype($file) && pagetype($file) eq 'po');
 	return 0 if $file =~ /\.pot$/;
+	return 0 unless -e "$config{srcdir}/$file"; # underlay dirs may be read-only
 	return 1 if pagespec_match(pagename($file), $config{po_translatable_pages});
 	return;
 }
@@ -661,6 +727,7 @@ sub istranslatable ($) {
 sub _istranslation ($) {
 	my $page=shift;
 
+	$page='' unless (defined $page && length $page);
 	my $hasleadingslash = ($page=~s#^/##);
 	my $file=$pagesources{$page};
 	return 0 unless (defined $file
@@ -1053,7 +1120,8 @@ sub isvalidpo ($) {
 	if ($res) {
 	    return IkiWiki::SuccessReason->new("valid gettext data");
 	}
-	return IkiWiki::FailReason->new("invalid gettext data");
+	return IkiWiki::FailReason->new("invalid gettext data, go back ".
+					"to previous page to go on with edit");
 }
 
 # ,----