X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/da26603e0780b3079ee8e94ec3651fdc615cc3f9..98f0d672dfcbc178b80a2d5f9a8b2f2633c8f039:/IkiWiki/Plugin/po.pm

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index 7cec589ab..1955ac304 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;
@@ -39,7 +49,7 @@ sub import {
 	hook(type => "rename", id => "po", call => \&renamepages, first => 1);
 	hook(type => "delete", id => "po", call => \&mydelete);
 	hook(type => "change", id => "po", call => \&change);
-	hook(type => "cansave", id => "po", call => \&cansave);
+	hook(type => "checkcontent", id => "po", call => \&checkcontent);
 	hook(type => "canremove", id => "po", call => \&canremove);
 	hook(type => "canrename", id => "po", call => \&canrename);
 	hook(type => "editcontent", id => "po", call => \&editcontent);
@@ -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);
 }
 
 
@@ -128,7 +140,8 @@ sub getsetup () {
 sub checkconfig () {
 	foreach my $field (qw{po_master_language po_slave_languages}) {
 		if (! exists $config{$field} || ! defined $config{$field}) {
-			error(sprintf(gettext("Must specify %s when using the %s plugin"), $field, 'po'));
+			error(sprintf(gettext("Must specify %s when using the %s plugin"),
+				      $field, 'po'));
 		}
 	}
 	if (! (keys %{$config{po_slave_languages}})) {
@@ -150,8 +163,8 @@ sub checkconfig () {
 	elsif (! grep {
 			$config{po_link_to} eq $_
 		} ('default', 'current', 'negotiated')) {
-		warn(sprintf(gettext('po_link_to=%s is not a valid setting, falling back to po_link_to=default'),
-				$config{po_link_to}));
+		warn(sprintf(gettext('%s is not a valid value for po_link_to, falling back to po_link_to=default'),
+			     $config{po_link_to}));
 		$config{po_link_to}='default';
 	}
 	elsif ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
@@ -262,7 +275,7 @@ sub pagetemplate (@) {
 		$template->param(percenttranslated => percenttranslated($page));
 	}
 	if ($template->query(name => "istranslation")) {
-		$template->param(istranslation => scalar istranslation($page));
+		$template->param(istranslation => istranslation($page));
 	}
 	if ($template->query(name => "istranslatable")) {
 		$template->param(istranslatable => istranslatable($page));
@@ -354,6 +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 (@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.
@@ -387,11 +436,11 @@ sub change(@) {
 	}
 }
 
-sub cansave ($$$$) {
-	my ($page, $content, $cgi, $session) = (shift, shift, shift, shift);
+sub checkcontent (@) {
+	my %params=@_;
 
-	if (istranslation($page)) {
-		my $res = isvalidpo($content);
+	if (istranslation($params{page})) {
+		my $res = isvalidpo($params{content});
 		if ($res) {
 			return undef;
 		}
@@ -425,7 +474,7 @@ sub canrename ($$@) {
 		# by looking for the master page in the list of to-be-renamed pages we
 		# saved early in the renaming process.
 		my $orig_torename = $session->param("po_orig_torename");
-		unless (scalar grep { $_->{src} eq $masterpage } @{$orig_torename}) {
+		unless (grep { $_->{src} eq $masterpage } @{$orig_torename}) {
 			return gettext("Can not rename a translation. Renaming the master page, ".
 				       "though, renames its translations as well.");
 		}
@@ -474,28 +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;
-			$field->options(\@types) if scalar @types;
-		}
-		else {
-			# make sure the default value is not po;
-			# does this case actually happen?
-			debug sprintf("po(formbuilder) type field is not select - not implemented yet");
+	# Do not allow to create pages of type po: they are automatically created.
+	# The main reason to do so is to bypass the "favor the type of linking page
+	# on page creation" logic, which is unsuitable when a broken link is clicked
+	# on a slave (PO) page.
+	# This cannot be done in the formbuilder_setup hook as the list of types is
+	# computed later.
+	if ($form->field("do") eq "create") {
+	        foreach 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;
+				$field->options(\@types) if @types;
+			}
+			else {
+				# make sure the default value is not po;
+				# does this case actually happen?
+				debug "po(formbuilder) ".gettext("type field is not selected - not implemented yet");
+			}
 		}
 	}
 }
@@ -588,9 +641,22 @@ sub mynicepagetitle ($;$) {
 	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 $origsubs{'cgiurl'}->(%params);
+}
+
 # ,----
 # | Blackboxes for private data
 # `----
@@ -643,8 +709,9 @@ sub istranslatablefile ($) {
 	my $file=shift;
 
 	return 0 unless defined $file;
-	return 0 if (defined pagetype($file) && pagetype($file) eq 'po');
+	return 0 if defined pagetype($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), $config{po_translatable_pages});
 	return;
 }
@@ -660,18 +727,19 @@ sub istranslatable ($) {
 sub _istranslation ($) {
 	my $page=shift;
 
+	$page='' unless defined $page && length $page;
 	my $hasleadingslash = ($page=~s#^/##);
 	my $file=$pagesources{$page};
-	return 0 unless (defined $file
+	return 0 unless defined $file
 			 && defined pagetype($file)
-			 && pagetype($file) eq 'po');
+			 && pagetype($file) eq 'po';
 	return 0 if $file =~ /\.pot$/;
 
 	my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
-	return 0 unless (defined $masterpage && defined $lang
+	return 0 unless defined $masterpage && defined $lang
 			 && length $masterpage && length $lang
 			 && defined $pagesources{$masterpage}
-			 && defined $config{po_slave_languages}{$lang});
+			 && defined $config{po_slave_languages}{$lang};
 
 	return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang)
 		if istranslatable($masterpage);
@@ -685,7 +753,7 @@ sub istranslation ($) {
 		$translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
 		return (maybe_add_leading_slash($masterpage, $hasleadingslash), $lang);
 	}
-	return;
+	return "";
 }
 
 sub masterpage ($) {
@@ -724,7 +792,7 @@ sub otherlanguages ($) {
 	my $page=shift;
 
 	my %ret;
-	return \%ret unless (istranslation($page) || istranslatable($page));
+	return \%ret unless istranslation($page) || istranslatable($page);
 	my $curlang=lang($page);
 	foreach my $lang
 		($config{po_master_language}{code}, keys %{$config{po_slave_languages}}) {
@@ -783,20 +851,22 @@ sub refreshpofiles ($@) {
 	my @pofiles=@_;
 
 	my $potfile=potfile($masterfile);
-	(-e $potfile)
-		or error(sprintf(gettext("po(refreshpofiles) POT file (%s) does not exist"),
-				 $potfile));
+	if (! -e $potfile) {
+		error("po(refreshpofiles) ".sprintf(gettext("POT file (%s) does not exist"), $potfile));
+	}
 
 	foreach my $pofile (@pofiles) {
 		IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
 		if (-e $pofile) {
 			system("msgmerge", "-U", "--backup=none", $pofile, $potfile) == 0
-				or error(sprintf(gettext("po(refreshpofiles) failed to update %s"),
+				or error("po(refreshpofiles) ".
+					 sprintf(gettext("failed to update %s"),
 						 $pofile));
 		}
 		else {
 			File::Copy::syscopy($potfile,$pofile)
-				or error(sprintf(gettext("po(refreshpofiles) failed to copy the POT file to %s"),
+				or error("po(refreshpofiles) ".
+					 sprintf(gettext("failed to copy the POT file to %s"),
 						 $pofile));
 		}
 	}
@@ -844,8 +914,8 @@ sub percenttranslated ($) {
 		'file_in_name'	=> [ $masterfile ],
 		'file_in_charset'  => 'utf-8',
 		'file_out_charset' => 'utf-8',
-	) or error(sprintf(gettext("po(percenttranslated) failed to translate %s"),
-			   $page));
+	) or error("po(percenttranslated) ".
+		   sprintf(gettext("failed to translate %s"), $page));
 	my ($percent,$hit,$queries) = $doc->stats();
 	$percent =~ s/\.[0-9]+$//;
 	return $percent;
@@ -919,7 +989,7 @@ sub deletetranslations ($) {
 		}
 	} @todelete;
 
-	if (scalar @todelete) {
+	if (@todelete) {
 		commit_and_refresh(
 			gettext("removed obsolete PO files"),
 			"IkiWiki::Plugin::po::deletetranslations");
@@ -1050,7 +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");
 }
 
 # ,----
@@ -1090,7 +1161,7 @@ sub match_lang ($$;@) {
 
 	my $regexp=IkiWiki::glob2re($wanted);
 	my $lang=IkiWiki::Plugin::po::lang($page);
-	if ($lang!~/^$regexp$/i) {
+	if ($lang !~ /^$regexp$/i) {
 		return IkiWiki::FailReason->new("file language is $lang, not $wanted");
 	}
 	else {