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<?php /* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* # ***** BEGIN LICENSE BLOCK ***** # This file is part of Plume Framework, a simple PHP Application Framework. # Copyright (C) 2001-2007 Loic d'Anterroches and contributors. # # Plume Framework is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # # Plume Framework 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 Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # # ***** END LICENSE BLOCK ***** */ /** * Translation middleware. * * Load the translation of the website based on the useragent. */ class Pluf_Middleware_Translation { /** * Process the request. * * @param Pluf_HTTP_Request The request * @return bool false */ function process_request(& $request ) { // Find which language to use. By priority: // A session value with 'pluf_language' // A cookie with 'pluf_language' // The browser information. $lang = false; if (! empty ( $request ->session)) { $lang = $request ->session->getData( 'pluf_language' , false); if ( $lang and !in_array( $lang , Pluf::f( 'languages' , array ( 'en' )))) { $lang = false; } } if ( $lang === false and ! empty ( $request ->COOKIE[Pluf::f( 'lang_cookie' , 'pluf_language' )])) { $lang = $request ->COOKIE[Pluf::f( 'lang_cookie' , 'pluf_language' )]; if ( $lang and !in_array( $lang , Pluf::f( 'languages' , array ( 'en' )))) { $lang = false; } } if ( $lang === false) { // will default to 'en' $lang = Pluf_Translation::getAcceptedLanguage(Pluf::f( 'languages' , array ( 'en' ))); } Pluf_Translation::loadSetLocale( $lang ); $request ->language_code = $lang ; return false; } /** * Process the response of a view. * * @param Pluf_HTTP_Request The request * @param Pluf_HTTP_Response The response * @return Pluf_HTTP_Response The response */ function process_response( $request , $response ) { $vary_h = array (); if (! empty ( $response ->headers[ 'Vary' ])) { $vary_h = preg_split( '/\s*,\s*/' , $response ->headers[ 'Vary' ], -1, PREG_SPLIT_NO_EMPTY); } if (!in_array( 'accept-language' , $vary_h )) { $vary_h [] = 'accept-language' ; } $response ->headers[ 'Vary' ] = implode( ', ' , $vary_h ); $response ->headers[ 'Content-Language' ] = $request ->language_code; return $response ; } } |