use strict;
use warnings;
-use Carp;
-use CGI;
+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(getTranslatedLanguages get_bidi regex_lang_subtags language_get_description accept_language );
+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));
else {
$htdocs = C4::Context->config('intrahtdocs');
}
-
- my ($theme, $lang)= themelanguage( $htdocs, $tmplbase, $interface, $query);
+ my ($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 = {
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);
$vars->{themelang} = '/opac-tmpl';
}
$vars->{lang} = $self->lang;
- $vars->{themelang} .= '/' . $self->theme . '/' . $self->lang;
- $vars->{yuipath} =
- ( C4::Context->preference("yuipath") eq "local"
- ? $vars->{themelang} . "/lib/yui"
- : C4::Context->preference("yuipath") );
+ $vars->{themelang} .= '/' . $self->preferredtheme . '/' . $self->lang;
$vars->{interface} =
( $self->{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');
+ $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
- # and clean any utf8 mess
- for my $k ( keys %{ $self->{VARS} } ) {
- $vars->{$k} = $self->{VARS}->{$k};
- if (ref($vars->{$k}) eq 'ARRAY'){
- utf8_arrayref($vars->{$k});
- }
- elsif (ref($vars->{$k}) eq 'HASH'){
- utf8_hashref($vars->{$k});
- }
- else {
- utf8::encode($vars->{$k}) if utf8::is_utf8($vars->{$k});
- }
- }
+ $vars = { %$vars, %{ $self->{VARS} } };
+
my $data;
-# binmode( STDOUT, ":utf8" );
+ binmode( STDOUT, ":encoding(UTF-8)" );
$template->process( $self->filename, $vars, \$data )
|| die "Template process failed: ", $template->error();
return $data;
}
-sub utf8_arrayref {
- my $arrayref = shift;
- foreach my $element (@$arrayref){
- if (ref($element) eq 'ARRAY'){
- utf8_arrayref($element);
- next;
- }
- if (ref($element) eq 'HASH'){
- utf8_hashref($element);
- next;
- }
- utf8::encode($element) if utf8::is_utf8($element);
- }
-}
-
-sub utf8_hashref {
- my $hashref = shift;
- for my $key (keys %{$hashref}){
- if (ref($hashref->{$key}) eq 'ARRAY'){
- utf8_arrayref($hashref->{$key});
- next;
- }
- if (ref($hashref->{$key}) eq 'HASH'){
- utf8_hashref($hashref->{$key});
- next;
- }
- utf8::encode($hashref->{$key}) if utf8::is_utf8($hashref->{$key});
- }
-}
-
-
-# FIXME - this is a horrible hack to cache
-# the current known-good language, temporarily
-# put in place to resolve bug 4403. It is
-# used only by C4::XSLT::XSLTParse4Display;
-# the language is set via the usual call
-# to themelanguage.
-my $_current_language = 'en';
-
-sub _current_language {
- return $_current_language;
-}
-
-sub themelanguage_lite {
- my ( $htdocs, $tmpl, $interface ) = @_;
- my $query = new CGI;
-
- # Set some defaults for language and theme
- # First, check the user's preferences
- my $lang;
-
- # But, if there's a cookie set, obey it
- $lang = $query->cookie('KohaOpacLanguage')
- if ( defined $query and $query->cookie('KohaOpacLanguage') );
-
- # Fall back to English
- my @languages;
- if ( $interface eq 'intranet' ) {
- @languages = split ",", C4::Context->preference("language");
- }
- else {
- @languages = split ",", C4::Context->preference("opaclanguages");
- }
- if ($lang) {
- @languages = ( $lang, @languages );
- }
- else {
- $lang = $languages[0] || 'en';
- }
- my $theme = 'prog'; # in the event of theme failure default to 'prog' -fbcit
- my @themes;
- if ( $interface eq "intranet" ) {
- @themes = split " ", C4::Context->preference("template");
- }
- else {
- @themes = split " ", C4::Context->preference("opacthemes");
- }
-
- # searches through the themes and languages. First template it find it returns.
- # Priority is for getting the theme right.
- THEME:
- foreach my $th (@themes) {
- foreach my $la (@languages) {
- if ( -e "$htdocs/$th/$la/modules/$tmpl" ) {
- $theme = $th;
- $lang = $la;
- last THEME;
- }
- last unless $la =~ /[-_]/;
- }
- }
- $_current_language = $lang; # FIXME part of bad hack to paper over bug 4403
- return ( $theme, $lang );
-}
-
# wrapper method to allow easier transition from HTML template pro to Template Toolkit
sub param {
my $self = shift;
my $val = shift;
if ( ref($val) eq 'ARRAY' && !scalar @$val ) { $val = undef; }
elsif ( ref($val) eq 'HASH' && !scalar %$val ) { $val = undef; }
- $self->{VARS}->{$key} = $val;
+ if ( $key ) {
+ $self->{VARS}->{$key} = $val;
+ } else {
+ warn "Problem = a value of $val has been passed to param without key";
+ }
}
}
=head1 FUNCTIONS
-=over 2
-
=cut
-#FIXME: this is a quick fix to stop rc1 installing broken
-#Still trying to figure out the correct fix.
+# 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 $htdocs = C4::Context->config( $interface ne 'intranet' ? 'opachtdocs' : 'intrahtdocs' );
- my ( $theme, $lang ) = themelanguage( $htdocs, $tmplbase, $interface, $query );
- my $opacstylesheet = C4::Context->preference('opacstylesheet');
-
- # if the template doesn't exist, load the English one as a last resort
- my $filename = "$htdocs/$theme/$lang/modules/$tmplbase";
- unless (-f $filename) {
- $lang = 'en';
- $filename = "$htdocs/$theme/$lang/modules/$tmplbase";
- }
+ my ($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
- return ( $htdocs, $theme, $lang, $filename );
+ 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, $query ) = @_;
- ($query) or warn "no query in gettemplate";
- my $path = C4::Context->preference('intranet_includes') || 'includes';
- my $opacstylesheet = C4::Context->preference('opacstylesheet');
- $tmplbase =~ s/\.tmpl$/.tt/;
- my ( $htdocs, $theme, $lang, $filename ) = _get_template_file( $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);
- my $themelang=( $interface ne 'intranet' ? '/opac-tmpl' : '/intranet-tmpl' )
- . "/$theme/$lang";
- $template->param(
- themelang => $themelang,
- yuipath => (C4::Context->preference("yuipath") eq "local"?"$themelang/lib/yui":C4::Context->preference("yuipath")),
- interface => ( $interface ne 'intranet' ? '/opac-tmpl' : '/intranet-tmpl' ),
- theme => $theme,
- lang => $lang
- );
- # Bidirectionality
+# 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;
$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,
- bidi => $bidi,
- one_language_enabled => ($num_languages_enabled <= 1) ? 1 : 0, # deal with zero enabled langs as well
- ) unless @$languages_loop<2;
+ one_language_enabled => $one_language_enabled,
+ ) unless $one_language_enabled;
return $template;
}
-#---------------------------------------------------------------------------------------------------------
-# FIXME - POD
+=head2 themelanguage
+
+ my ($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, $query ) = @_;
- ($query) or warn "no query in themelanguage";
-
- # Set some defaults for language and theme
- # First, check the user's preferences
- my $lang;
- my $http_accept_language = $ENV{ HTTP_ACCEPT_LANGUAGE };
- $lang = accept_language( $http_accept_language,
- getTranslatedLanguages($interface,'prog') )
- if $http_accept_language;
- # But, if there's a cookie set, obey it
- $lang = $query->cookie('KohaOpacLanguage') if (defined $query and $query->cookie('KohaOpacLanguage'));
- # Fall back to English
- my @languages;
- if ($interface eq 'intranet') {
- @languages = split ",", C4::Context->preference("language");
- } else {
- @languages = split ",", C4::Context->preference("opaclanguages");
- }
- if ($lang){
- @languages=($lang,@languages);
- } else {
- $lang = $languages[0];
- }
- my $theme = 'prog'; # in the event of theme failure default to 'prog' -fbcit
- my $dbh = C4::Context->dbh;
+ my ($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;
- if ( $interface eq "intranet" ) {
- @themes = split " ", C4::Context->preference("template");
- }
- else {
- # we are in the opac here, what im trying to do is let the individual user
- # set the theme they want to use.
- # and perhaps the them as well.
- #my $lang = $query->cookie('KohaOpacLanguage');
- @themes = split " ", C4::Context->preference("opacthemes");
+ 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) ] );
+ }
}
-
- # searches through the themes and languages. First template it find it returns.
- # Priority is for getting the theme right.
- THEME:
- foreach my $th (@themes) {
- foreach my $la (@languages) {
- #for ( my $pass = 1 ; $pass <= 2 ; $pass += 1 ) {
- # warn "$htdocs/$th/$la/modules/$interface-"."tmpl";
- #$la =~ s/([-_])/ $1 eq '-'? '_': '-' /eg if $pass == 2;
- if ( -e "$htdocs/$th/$la/modules/$tmpl") {
- #".($interface eq 'intranet'?"modules":"")."/$tmpl" ) {
- $theme = $th;
- $lang = $la;
- last THEME;
- }
- last unless $la =~ /[-_]/;
- #}
+ # Otherwise return theme/'en', last resort fallback/'en'
+ for my $theme (@themes) {
+ if ( -e "$htdocs/$theme/en/$where/$tmpl" ) {
+ return ( $theme, 'en', [ uniq(@themes) ] );
}
}
-
- $_current_language = $lang; # FIXME part of bad hack to paper over bug 4403
- return ( $theme, $lang );
+ # 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 = $query->cookie(
- -name => 'KohaOpacLanguage',
- -value => $language,
- -expires => ''
- );
+
+ 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) = @_;
- my $lang;
- if ($query->cookie('KohaOpacLanguage')){
- $lang = $query->cookie('KohaOpacLanguage') ;
- }else{
- $lang = $ENV{HTTP_ACCEPT_LANGUAGE};
-
- }
- $lang = substr($lang, 0, 2);
+ 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 $lang;
+ return $cookie;
}
1;
-