use strict;
use warnings;
-use Carp;
+use Carp qw( carp );
+use CGI qw ( -utf8 );
+use List::MoreUtils qw( uniq );
# Copyright 2009 Chris Cormack and The Koha Dev Team
#
# This file is part of Koha.
#
-# Koha is free software; you can redistribute it and/or modify it under the
-# terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
+# Koha is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
#
-# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
-# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# Koha is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License along with
-# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA 02111-1307 USA
+# You should have received a copy of the GNU General Public License
+# along with Koha; if not, see <http://www.gnu.org/licenses>.
=head1 NAME
- Koha::Templates - Object for manipulating templates for use with Koha
+C4::Templates - Object for manipulating templates for use with Koha
=cut
use base qw(Class::Accessor);
use Template;
-use Template::Constants qw( :debug );
+use C4::Languages qw( get_bidi getTranslatedLanguages regex_lang_subtags );
use C4::Context;
-__PACKAGE__->mk_accessors(qw( theme lang filename htdocs interface vars));
+use Koha::Cache::Memory::Lite;
+use Koha::Exceptions;
+
+__PACKAGE__->mk_accessors(qw( theme activethemes preferredtheme lang filename htdocs interface vars));
+
+
sub new {
my $class = shift;
my $interface = shift;
my $filename = shift;
+ my $tmplbase = shift;
+ my $query = @_? shift: undef;
my $htdocs;
if ( $interface ne "intranet" ) {
$htdocs = C4::Context->config('opachtdocs');
else {
$htdocs = C4::Context->config('intrahtdocs');
}
-
-# my ( $theme, $lang ) = themelanguage( $htdocs, $tmplbase, $interface, $query );
- my $theme = 'prog';
- my $lang = 'en';
+ my ($theme, $lang, $activethemes)= themelanguage( $htdocs, $tmplbase, $interface, $query);
+ my @includes;
+ foreach (@$activethemes) {
+ push @includes, "$htdocs/$_/$lang/includes";
+ push @includes, "$htdocs/$_/en/includes" unless $lang eq 'en';
+ }
+ # Do not use template cache if script is called from commandline
+ my $use_template_cache = C4::Context->config('template_cache_dir') && defined $ENV{GATEWAY_INTERFACE};
my $template = Template->new(
- {
- EVAL_PERL => 1,
+ { EVAL_PERL => 1,
ABSOLUTE => 1,
- INCLUDE_PATH => "$htdocs/$theme/$lang/includes",
- FILTERS => {},
-
+ PLUGIN_BASE => 'Koha::Template::Plugin',
+ COMPILE_EXT => $use_template_cache ? '.ttc' : '',
+ COMPILE_DIR => $use_template_cache ? C4::Context->config('template_cache_dir') : '',
+ INCLUDE_PATH => \@includes,
+ FILTERS => {},
+ ENCODING => 'UTF-8',
}
) or die Template->error();
my $self = {
TEMPLATE => $template,
- VARS => {},
+ VARS => {},
};
bless $self, $class;
$self->theme($theme);
$self->lang($lang);
+ $self->activethemes($activethemes);
+ $self->preferredtheme($activethemes->[0]);
$self->filename($filename);
$self->htdocs($htdocs);
$self->interface($interface);
sub output {
my $self = shift;
my $vars = shift;
+
# my $file = $self->htdocs . '/' . $self->theme .'/'.$self->lang.'/'.$self->filename;
my $template = $self->{TEMPLATE};
- if ($self->interface eq 'intranet'){
- $vars->{themelang} = '/intranet-tmpl';
+ if ( $self->interface eq 'intranet' ) {
+ $vars->{themelang} = '/intranet-tmpl';
}
else {
- $vars->{themelang} = '/opac-tmpl';
+ $vars->{themelang} = '/opac-tmpl';
}
$vars->{lang} = $self->lang;
- $vars->{themelang} .= '/' . $self->theme . '/' . $self->lang;
- $vars->{yuipath} = (C4::Context->preference("yuipath") eq "local"?$self->{themelang}."/lib/yui":C4::Context->preference("yuipath"));
- $vars->{interface} = ( $vars->{interface} ne 'intranet' ? '/opac-tmpl' : '/intranet-tmpl' );
- $vars->{theme} = $self->theme;
- $vars->{opaccolorstylesheet} = C4::Context->preference('opaccolorstylesheet');
- $vars->{opacsmallimage} = C4::Context->preference('opacsmallimage');
- $vars->{opacstylesheet} = C4::Context->preference('opacstylesheet');
- #add variables set via param to $vars for processing
- for my $k(keys %{$self->{VARS}}){
- $vars->{$k} = $self->{VARS}->{$k};
+ $vars->{themelang} .= '/' . $self->preferredtheme . '/' . $self->lang;
+ $vars->{interface} =
+ ( $self->{interface} ne 'intranet' ? '/opac-tmpl' : '/intranet-tmpl' );
+ $vars->{theme} = $self->theme;
+ $vars->{OpacAdditionalStylesheet} =
+ C4::Context->preference('OpacAdditionalStylesheet');
+ $vars->{opaclayoutstylesheet} =
+ C4::Context->preference('opaclayoutstylesheet');
+
+ if(exists $self->{VARS}{lang}) {
+ warn "Preventing \$template->lang='" . ($self->{vars}{lang}//'-undef-')
+ . "' to be overwritten by template->{VARS}{lang}='" . ($self->{VARS}{lang}//'-undef-') . "'";
+ delete $self->{VARS}{lang};
}
+
+ # add variables set via param to $vars for processing
+ $vars = { %$vars, %{ $self->{VARS} } };
+
my $data;
- $template->process( $self->filename, $vars, \$data) || die "Template process failed: ", $template->error();;
+ binmode( STDOUT, ":encoding(UTF-8)" );
+ $template->process( $self->filename, $vars, \$data )
+ || die "Template process failed: ", $template->error();
return $data;
}
# wrapper method to allow easier transition from HTML template pro to Template Toolkit
-sub param{
+sub param {
my $self = shift;
- while(@_){
- my $key = shift;
- my $val = shift;
- utf8::encode($val) if utf8::is_utf8($val);
- if( ref($val) eq 'ARRAY' && ! scalar @$val ){ $val = undef; }
- elsif( ref($val) eq 'HASH' && ! scalar %$val ){ $val = undef; }
- $self->{VARS}->{$key} = $val;
+ while (@_) {
+ my $key = shift;
+ my $val = shift;
+ if ( ref($val) eq 'ARRAY' && !scalar @$val ) { $val = undef; }
+ elsif ( ref($val) eq 'HASH' && !scalar %$val ) { $val = undef; }
+ if ( $key ) {
+ $self->{VARS}->{$key} = $val;
+ } else {
+ warn "Problem = a value of $val has been passed to param without key";
+ }
+ }
+}
+
+
+=head1 NAME
+
+C4::Templates - Functions for managing templates
+
+=head1 FUNCTIONS
+
+=cut
+
+# FIXME: this is a quick fix to stop rc1 installing broken
+# Still trying to figure out the correct fix.
+my $path = C4::Context->config('intrahtdocs') . "/prog/en/includes/";
+
+#---------------------------------------------------------------------------------------------------------
+# FIXME - POD
+
+sub _get_template_file {
+ my ($tmplbase, $interface, $query) = @_;
+
+ my $is_intranet = $interface eq 'intranet';
+ my $htdocs = C4::Context->config($is_intranet ? 'intrahtdocs' : 'opachtdocs');
+ my ($theme, $lang, $availablethemes) = themelanguage($htdocs, $tmplbase, $interface, $query);
+ $lang //= 'en';
+ $theme //= '';
+ $tmplbase = "$htdocs/$theme/$lang/modules/$tmplbase" if $tmplbase !~ /^\//;
+ # do not prefix an absolute path
+
+ return ( $htdocs, $theme, $lang, $tmplbase );
+}
+
+=head2 badtemplatecheck
+
+ badtemplatecheck( $template_path );
+
+ The sub will throw an exception if the template path is not allowed.
+
+ Note: At this moment the sub is actually a helper routine for
+ sub gettemplate.
+
+=cut
+
+sub badtemplatecheck {
+ my ( $template ) = @_;
+ if( !$template || $template !~ m/^[a-zA-Z0-9_\-\/]+\.(tt|pref)$/ ) {
+ # This also includes two dots
+ Koha::Exceptions::NoPermission->throw( 'bad template path' );
+ } else {
+ # Check allowed dirs - make sure we operate on a copy of the config
+ my $dirs = C4::Context->config("pluginsdir");
+ if ( !ref($dirs) ) {
+ $dirs = [ $dirs ];
+ }
+ else {
+ $dirs = [ @$dirs ];
+ }
+ unshift @$dirs, C4::Context->config('opachtdocs'), C4::Context->config('intrahtdocs');
+ my $found = 0;
+ foreach my $dir ( @$dirs ) {
+ $dir .= '/' if $dir !~ m/\/$/;
+ $found++ if $template =~ m/^$dir/;
+ last if $found;
+ }
+ Koha::Exceptions::NoPermission->throw( 'bad template path' ) if !$found;
}
}
+sub gettemplate {
+ my ( $tmplbase, $interface, $query ) = @_;
+ my ($htdocs, $theme, $lang, $filename)
+ = _get_template_file($tmplbase, $interface, $query);
+ badtemplatecheck( $filename ); # single trip for bad templates
+ my $template = C4::Templates->new($interface, $filename, $tmplbase, $query);
+
+# NOTE: Commenting these out rather than deleting them so that those who need
+# to know how we previously shimmed these directories will be able to understand.
+# my $is_intranet = $interface eq 'intranet';
+# my $themelang =
+# ($is_intranet ? '/intranet-tmpl' : '/opac-tmpl') .
+# "/$theme/$lang";
+# $template->param(
+# themelang => $themelang,
+# interface => $is_intranet ? '/intranet-tmpl' : '/opac-tmpl',
+# theme => $theme,
+# lang => $lang
+# );
+
+ # Bidirectionality, must be sent even if is the only language
+ my $current_lang = regex_lang_subtags($lang);
+ my $bidi;
+ $bidi = get_bidi($current_lang->{script}) if $current_lang->{script};
+ $template->param(
+ bidi => $bidi,
+ );
+ # Languages
+ my $languages_loop = getTranslatedLanguages($interface,$theme,$lang);
+ my $num_languages_enabled = 0;
+ foreach my $lang (@$languages_loop) {
+ foreach my $sublang (@{ $lang->{'sublanguages_loop'} }) {
+ $num_languages_enabled++ if $sublang->{enabled};
+ }
+ }
+ my $one_language_enabled = ($num_languages_enabled <= 1) ? 1 : 0; # deal with zero enabled langs as well
+ $template->param(
+ languages_loop => $languages_loop,
+ one_language_enabled => $one_language_enabled,
+ ) unless $one_language_enabled;
+
+ return $template;
+}
+
+
+=head2 themelanguage
+
+ my ($theme,$lang,\@themes) = themelanguage($htdocs,$tmpl,$interface,query);
+
+This function returns the theme and language to be used for rendering the UI.
+It also returns the list of themes that should be applied as a fallback. This is
+used for the theme overlay feature (i.e. if a file doesn't exist on the requested
+theme, fallback to the configured fallback).
+
+Important: this function is used on the webinstaller too, so always consider
+the use case where the DB is not populated already when rewriting/fixing.
+
+=cut
+
+sub themelanguage {
+ my ($htdocs, $tmpl, $interface, $query) = @_;
+
+ # Select a language based on cookie, syspref available languages & browser
+ my $lang = C4::Languages::getlanguage($query);
+
+ return availablethemes($htdocs, $tmpl, $interface, $lang);
+}
+
+sub availablethemes {
+ my ($htdocs, $tmpl, $interface, $lang) = @_;
+
+ # Get theme
+ my @themes;
+ my $theme_syspref = ($interface eq 'intranet') ? 'template' : 'opacthemes';
+ my $fallback_syspref = ($interface eq 'intranet') ? 'template' : 'OPACFallback';
+ # Yeah, hardcoded, last resort if the DB is not populated
+ my $hardcoded_theme = ($interface eq 'intranet') ? 'prog' : 'bootstrap';
+
+ # Configured theme is the first one
+ push @themes, C4::Context->preference( $theme_syspref )
+ if C4::Context->preference( $theme_syspref );
+ # Configured fallback next
+ push @themes, C4::Context->preference( $fallback_syspref )
+ if C4::Context->preference( $fallback_syspref );
+ # The hardcoded fallback theme is the last one
+ push @themes, $hardcoded_theme;
+
+ # Try to find first theme for the selected theme/lang, then for fallback/lang
+ my $where = $tmpl =~ /xsl$/ ? 'xslt' : 'modules';
+ for my $theme (@themes) {
+ if ( -e "$htdocs/$theme/$lang/$where/$tmpl" ) {
+ return ( $theme, $lang, [ uniq(@themes) ] );
+ }
+ }
+ # Otherwise return theme/'en', last resort fallback/'en'
+ for my $theme (@themes) {
+ if ( -e "$htdocs/$theme/en/$where/$tmpl" ) {
+ return ( $theme, 'en', [ uniq(@themes) ] );
+ }
+ }
+ # tmpl is a full path, so this is a template for a plugin
+ if ( $tmpl =~ /^\// && -e $tmpl ) {
+ return ( $themes[0], $lang, [ uniq(@themes) ] );
+ }
+}
+
+sub setlanguagecookie {
+ my ( $query, $language, $uri ) = @_;
+
+ my $cookie = getlanguagecookie( $query, $language );
+
+ # We do not want to set getlanguage in cache, some additional checks are
+ # done in C4::Languages::getlanguage
+ Koha::Cache::Memory::Lite->get_instance()->clear_from_cache( 'getlanguage' );
+
+ print $query->redirect(
+ -uri => $uri,
+ -cookie => $cookie
+ );
+}
+
+=head2 getlanguagecookie
+
+ my $cookie = getlanguagecookie($query,$language);
+
+Returns a cookie object containing the calculated language to be used.
+
+=cut
+
+sub getlanguagecookie {
+ my ( $query, $language ) = @_;
+ my $cookie = $query->cookie(
+ -name => 'KohaOpacLanguage',
+ -value => $language,
+ -HttpOnly => 1,
+ -expires => '+3y',
+ -sameSite => 'Lax',
+ -secure => ( C4::Context->https_enabled() ? 1 : 0 ),
+ );
+
+ return $cookie;
+}
+
1;
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