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qtranslate_core.php
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<?php // encoding: utf-8
/*
Copyright 2014 qTranslate Team (email : [email protected] )
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// Exit if accessed directly
if ( !defined( 'ABSPATH' ) ) exit;
function qtranxf_init_language() {
global $q_config;
// check if it isn't already initialized - it is always called once only
//if(defined('QTRANX_INIT')){ echo "qtranxf_init_language second time"; return; }
//define('QTRANX_INIT',true);
//global $pagenow; //qtranxf_dbg_log('qtranxf_init_language: pagenow='.$pagenow);
//qtranxf_dbg_log('qtranxf_init_language: WP_ADMIN=',defined('WP_ADMIN'));
//qtranxf_dbg_log('qtranxf_init_language: DOING_AJAX=',defined('DOING_AJAX'));
//if(defined('DOING_AJAX')){
// //qtranxf_dbg_log('qtranxf_init_language: _REQUEST=',$_REQUEST);
// //qtranxf_dbg_log('qtranxf_init_language: _GET=',$_GET);
// //qtranxf_dbg_log('qtranxf_init_language: _POST=',$_POST);
//}
qtranxf_loadConfig();
$q_config['cookie_enabled'] = isset($_COOKIE[QTX_COOKIE_NAME_FRONT]) || isset($_COOKIE[QTX_COOKIE_NAME_ADMIN]);
$host=$_SERVER['HTTP_HOST'];
if(isset($_SERVER['SERVER_PORT']) && !empty($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT']!='80'){
$host.=':'.$_SERVER['SERVER_PORT'];
}
//$referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '';
//qtranxf_dbg_log('qtranxf_init_language: IP='.$_SERVER['REMOTE_ADDR']);
//qtranxf_dbg_log('qtranxf_init_language: URL='.$host.$_SERVER['REQUEST_URI']);
$url = $_SERVER['REQUEST_URI'];
$url_info = array();
$url_info['host'] = $host;
$url_info['url'] = $url;
$url_info['original_url'] = $url;//move below for debugging purpose only
$url_info['language'] = qtranxf_detect_language($url_info);
//qtranxf_dbg_log('qtranxf_init_language: url_info: ',$url_info);
$q_config['url_info'] = apply_filters('qtranslate_url_info', $url_info);//slug redirection etc.?
$url_info = $q_config['url_info'];
//qtranxf_dbg_log('qtranxf_init_language: url_info: ',$url_info);
if( !defined('WP_ADMIN') && !defined('DOING_AJAX') && !defined('DOING_CRON') && isset($url_info['doredirect'])){
$lang = $url_info['language'];
$scheme = isset($_SERVER['HTTPS'])?'https://':'http://';
$urlorg = $scheme.$host.$url;
$urlstd = $scheme.$url_info['host'].$url_info['url'];
$urlnew = qtranxf_convertURL($urlstd,$lang);
$target = apply_filters('qtranslate_language_detect_redirect', $urlnew, $urlorg, $url_info);
//qtranxf_dbg_log('qtranxf_init_language: doredirect to '.$lang.PHP_EOL.'urlstd:'.$urlstd.PHP_EOL.'urlorg:'.$urlorg.PHP_EOL.'target:'.$target);
if($target!==false && $target != $urlorg){
wp_redirect($target);
//header('Location: '.$target);
exit();
}
}
$q_config['language'] = apply_filters('qtranslate_language', $url_info['language']);
// fix url to prevent xss
$q_config['url_info']['url'] = qtranxf_convertURL(add_query_arg('lang',$q_config['default_language'],$q_config['url_info']['url']));
// Filter all options for language tags
if($q_config['doing_front_end']) {
$alloptions = wp_load_alloptions();
foreach($alloptions as $option => $value) {
add_filter('option_'.$option, 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage',0);
}
require_once(dirname(__FILE__)."/qtranslate_frontend.php");
}else{
require_once(dirname(__FILE__).'/qtranslate_configuration.php');
require_once(dirname(__FILE__).'/admin/admin_utils.php');
// load qTranslate Services if available
if(file_exists(dirname(__FILE__).'/qtranslate_services.php'))
require_once(dirname(__FILE__).'/qtranslate_services.php');
}
if(isset($q_config['qtrans_compatibility']) && $q_config['qtrans_compatibility']){
require_once(dirname(__FILE__).'/qtranslate_compatibility.php');
}
//allow other plugins to initialize whatever they need for language
do_action('qtranslate_init_language',$url_info);
//qtranxf_dbg_log('qtranxf_init_language: url_info.url='.$q_config['url_info']['url']);
//qtranxf_dbg_log('qtranxf_init_language: language='.$q_config['language']);
}
function qtranxf_detect_language(&$url_info) {
global $q_config;
//qtranxf_dbg_log('qtranxf_detect_language: url_info passed: ',$url_info);
//$home = parse_url(get_option('home'));//qtranxf_dbg_log("home:",$home);
//$home['path'] = isset($home['path'])?trailingslashit($home['path']):'/';
//$home['host'] = isset($home['host'])?$home['host'];
$home = qtranxf_parseURL(get_option('home'));
$home['path'] = isset($home['path']) ? trailingslashit($home['path']) : '/';
$url_info['home'] = $home['path'];
$lang = qtranxf_parse_language_info($url_info);
$q_config['doing_front_end'] = !defined('WP_ADMIN');
//$q_config['doing_front_end'] defines if we are at front- or back-end. Why WP do not have that, or do they?
while(!$lang)
{
if( defined('DOING_AJAX') && isset($_SERVER['HTTP_REFERER']) ){ //try to get language from HTTP_REFERER
$http_referer = $_SERVER['HTTP_REFERER'];
if(WP_DEBUG){
$url_info['http_referer'] = $http_referer;
//qtranxf_dbg_log('qtranxf_detect_language: http_referer=',$http_referer);
}
$referer = qtranxf_parseURL($http_referer);
if( $referer['host']==$url_info['host'] && qtranxf_startsWith($referer['path'],$home['path']) ) {
$url_info['internal_referer'] = true;
$referer['home'] = $home['path'];
$referer['url'] = $referer['path'];
if(!empty($referer['query'])) $referer['url'] .= '?'.$referer['query'];
//qtranxf_dbg_log('qtranxf_detect_language: referer_info: ',$referer);
$lang = qtranxf_parse_language_info($referer,true);
//qtranxf_dbg_log('qtranxf_detect_language: http_referer: lang=',$lang);
if($lang){
$url_info['referer_language'] = $lang;
$q_config['doing_front_end'] = true;
}else{
$url_info['referer_language'] = $q_config['default_language'];
}
}
if(!$lang && !qtranxf_language_neutral_path($referer['path'])){
$lang = $q_config['default_language'];
$q_config['doing_front_end'] = true;
}
//qtranxf_dbg_log('qtranxf_detect_language: DOING_AJAX: lang=',$lang);
}
if($lang) break;
if( defined('WP_ADMIN') ){
$lang = apply_filters('qtranslate_detect_admin_language',$lang,$url_info);
//qtranxf_dbg_log('qtranxf_detect_language: admin: lang=',$lang);
}
if($lang) break;
if( !defined('WP_ADMIN') && isset($_COOKIE[QTX_COOKIE_NAME_FRONT]) ){
$cs;
$lang=qtranxf_resolveLangCase($_COOKIE[QTX_COOKIE_NAME_FRONT],$cs);
//qtranxf_dbg_log('qtranxf_detect_language: COOKIE: lang=',$lang);
if( $lang && (!$q_config['hide_default_language'] || $lang != $q_config['default_language']) ){
$url_info['doredirect']=true;
}
}
if($lang) break;
if($q_config['detect_browser_language']
&& ( !isset($_SERVER['HTTP_REFERER']) || strpos($_SERVER['HTTP_REFERER'],$home['host'])===FALSE ) ){
$urlunslashed=untrailingslashit($url_info['url']);
if(empty($urlunslashed)){
$lang=qtranxf_http_negotiate_language();
//qtranxf_dbg_log('qtranxf_detect_language: browser: lang=',$lang);
}
}
if($lang) break;
$lang = $q_config['default_language'];
if( !isset($url_info['doredirect'])
&& !defined('WP_ADMIN') && !defined('DOING_CRON') && !defined('DOING_AJAX')
&& (!$q_config['hide_default_language'] || $lang != $q_config['default_language'])
){
$language_neutral_path=qtranxf_language_neutral_path($url_info['path']);
//qtranxf_dbg_log('qtranxf_detect_language: language_neutral_path=',$language_neutral_path);
if(!$language_neutral_path){
$url_info['doredirect']=true;
}
}
break;
}
if(!defined('DOING_AJAX')) qtranxf_set_language_cookie($lang);
//qtranxf_dbg_log('qtranxf_detect_language: url_info: result: ',$url_info);
return $lang;
}
/**
Expected:
- $url_info['url']
- $url_info['host']
- $url_info['home']
*/
function qtranxf_parse_language_info(&$url_info, $link=false) {
global $q_config;
$doredirect=false;
$lang_url=null;
if( !defined('WP_ADMIN') || $link )
switch($q_config['url_mode']) {
case QTX_URL_PATH: // pre path
$count;
$url=preg_replace('#^'.$url_info['home'].'#','',$url_info['url'],-1,$count);
//qtranxf_dbg_log('qtranxf_parse_language_info: count='.$count.'; url='.$url.PHP_EOL.'url_info[url]='.$url_info['url']);
if( $count > 0 && $url ) {
// might have language information
if(preg_match("#^([a-z]{2})(/.*)?$#i",$url,$match)) {
$lang_url = qtranxf_resolveLangCase($match[1],$doredirect);
if($lang_url) $url_info['url'] = $url_info['home'].substr($url, 3);
}
}
break;
case QTX_URL_DOMAIN: // pre domain
$host=$url_info['host'];
if(!empty($host)) {
if(preg_match("#^([a-z]{2})\.#i",$host,$match)) {
$lang_url = qtranxf_resolveLangCase($match[1],$doredirect);
if($lang_url) $url_info['host'] = substr($host, 3);
}
}
break;
case QTX_URL_DOMAINS: // domain per language
$host=$url_info['host'];
if(!empty($host)){
foreach($q_config['enabled_languages'] as $lang){
if(!isset($q_config['domains'][$lang])) continue;
if($q_config['domains'][$lang] != $host) continue;
$lang_url = $lang;
break;
}
}
break;
default: break;
}
//qtranxf_dbg_log('qtranxf_parse_language_info: lang_url:',$lang_url);
$lang = null;
if( isset($_GET['lang']) && !$link ){
$lang = qtranxf_resolveLangCase($_GET['lang'],$doredirect);
//qtranxf_dbg_log('qtranxf_parse_language_info: GET[lang]='.$lang);
}else if(preg_match('/(&|&|&|\?)lang=([a-z]{2})/i',$url_info['url'],$match)) {
//qtranxf_dbg_log('qtranxf_parse_language_info: match:',$match);
$lang = qtranxf_resolveLangCase($match[2],$doredirect);
}
//qtranxf_dbg_log('qtranxf_parse_language_info: lang_query:',$lang);
if($lang){
//$url_info['url'] = preg_replace("#(&|\?)lang=".$lang."&?#i","$1",$url_info['url']);
//$url_info['url'] = preg_replace("#[\?\&]+$#i","",$url_info['url']);
$url_info['url'] = preg_replace('/(&|&|&|\?)lang=[a-z]{2}(&|#)?/i',"$1",$url_info['url']);
$url_info['url'] = preg_replace('/(&|&|&|\?)+$/','',$url_info['url']);
if($lang_url && $lang !== $lang_url) $doredirect=true;
if( $q_config['url_mode']!=QTX_URL_QUERY || ($lang_url && $lang !== $lang_url) ) $doredirect=true;
}else if($lang_url){
$lang = $lang_url;
if($q_config['hide_default_language'] && $lang_url == $q_config['default_language']) $doredirect=true;
}
if($doredirect){
$url_info['doredirect'] = true;
}
//qtranxf_dbg_log('qtranxf_parse_language_info: lang=',$lang);
//qtranxf_dbg_log('qtranxf_parse_language_info: doredirect=',$doredirect);
return $lang;
}
function qtranxf_setcookie_language($lang, $cookie_name, $cookie_path)
{
//qtranxf_dbg_log('qtranxf_setcookie_language: lang='.$lang.'; cookie_name='.$cookie_name.'; cookie_path='.$cookie_path);
setcookie($cookie_name, $lang, time()+31536000, $cookie_path);//one year
//two weeks 1209600
}
function qtranxf_set_language_cookie($lang)
{
if(defined('WP_ADMIN')){
qtranxf_setcookie_language( $lang, QTX_COOKIE_NAME_ADMIN, ADMIN_COOKIE_PATH );
}else{
qtranxf_setcookie_language( $lang, QTX_COOKIE_NAME_FRONT, COOKIEPATH );
}
}
/*
function qtranxf_get_language_cookie()
{
if(defined('WP_ADMIN')){
if(isset($_COOKIE[QTX_COOKIE_NAME_ADMIN])) return $_COOKIE[QTX_COOKIE_NAME_ADMIN];
}
if(isset($_COOKIE[QTX_COOKIE_NAME_FRONT])) return $_COOKIE[QTX_COOKIE_NAME_FRONT];
return false;
}
function qtranxf_detect_language($url, $host, $referer) {
global $q_config;
//$home = parse_url(get_option('home'));//qtranxf_dbg_log("home:",$home);
//$home['path'] = isset($home['path'])?trailingslashit($home['path']):'/';
//$home['host'] = isset($home['host'])?$home['host'];
$home = qtranxf_parseURL(get_option('home'));
$home['path'] = isset($home['path'])?trailingslashit($home['path']):'/';
$result = array();
//$result['language'] = $q_config['default_language'];
$result['url'] = $url;
$result['original_url'] = $url;
$result['host'] = $host;
$result['redirect'] = false;
$result['internal_referer'] = false;
$result['referer'] = $referer;
$result['home'] = $home['path'];
$referer = qtranxf_parseURL($referer);
$site = qtranxf_parseURL(get_option('siteurl'));
$site['path'] = isset($site['path'])?trailingslashit($site['path']):'/';
$language_neutral_path=$site['path']!=$home['path'] && qtranxf_startsWith($url,$site['path']);
if($language_neutral_path){
$url = substr($url,strlen($site['path']));
}else{
$url = substr($url,strlen($home['path']));
}
//$result['site_path']=$site['path'];
$doredirect=false;
$lang_url=null;
switch($q_config['url_mode']) {
case QTX_URL_PATH:
// pre url
if(!$language_neutral_path && $url) {
// might have language information
if(preg_match("#^([a-z]{2})(/.*)?$#i",$url,$match)) {
$lang_url = qtranxf_resolveLangCase($match[1],$doredirect);
if($lang_url){
// found language information
//$result['language'] = $lang_url;
$result['url'] = $home['path'].substr($url, 3);
}
}
}
break;
case QTX_URL_DOMAIN:
// pre domain
if($host) {
if(preg_match("#^([a-z]{2})\.#i",$host,$match)) {
$lang_url = qtranxf_resolveLangCase($match[1],$doredirect);
if($lang_url){
// found language information
//$result['language'] = $lang_url;
$result['host'] = substr($host, 3);
}
}
}
default: break;
}
//qtranxf_dbg_log('qtranxf_detect_language: url='.$url);
//qtranxf_dbg_log('qtranxf_detect_language: lang_url='.$lang_url);
// check if referrer is internal
if( $referer['host']==$result['host'] && qtranxf_startsWith($referer['path'], $home['path']) ) {
// user coming from internal link
$result['internal_referer'] = true;
}
$lang=null;
if(isset($_GET['lang'])){// language override given
$lang = qtranxf_resolveLangCase($_GET['lang'],$doredirect);
if($lang){
$result['url'] = preg_replace("#(&|\?)lang=".$lang."&?#i","$1",$result['url']);
$result['url'] = preg_replace("#[\?\&]+$#i","",$result['url']);
} elseif($home['host'] == $result['host'] && $home['path'] == $result['url']) {
if(empty($referer['host'])||!$q_config['hide_default_language']) {
$result['redirect'] = true;
}else{
// check if activating language detection is possible
if(preg_match("#^([a-z]{2}).#i",$referer['host'],$match)) {
$cs=false;
$lang = qtranxf_resolveLangCase($match[1],$cs);
if($lang) {
// found language information
$referer['host'] = substr($referer['host'], 3);
}
}
if(!$result['internal_referer']) {
// user coming from external link
$result['redirect'] = true;
}
}
}
}
if($lang){
//qtranxf_dbg_log('qtranxf_detect_language: GET[lang]='.$lang);
if($lang_url && $lang !== $lang_url) $doredirect=true;
}else if($lang_url){
$lang = $lang_url;
if($q_config['hide_default_language'] && $lang_url == $q_config['default_language'])
$doredirect=true;
}else{
$lang=qtranxf_get_language_cookie();
if($lang){
$cs=false;
$lang=qtranxf_resolveLangCase($lang,$cs);
//qtranxf_dbg_log('qtranxf_detect_language: cookie: lang=',$lang);
}
if(!$lang && $q_config['detect_browser_language']){
$lang=qtranxf_http_negotiate_language();
//qtranxf_dbg_log('qtranxf_detect_language: browser: lang=',$lang);
}
if(!$lang)
$lang = $q_config['default_language'];
if(!defined('WP_ADMIN') && !defined('DOING_CRON')
&& (!$q_config['hide_default_language'] || $lang != $q_config['default_language'])
){
//qtranxf_dbg_log('qtranxf_detect_language: language_neutral_path=',$language_neutral_path);
if(!$language_neutral_path){
$url_parsed=parse_url($url);//$url now does not have language information
//qtranxf_dbg_log('qtranxf_detect_language: url_parsed:',$url_parsed);
if(isset($url_parsed['path'])){
$path=$url_parsed['path'];//$path does not have / in front
$language_neutral_path=qtranxf_language_neutral_path($path);
}
}
//qtranxf_dbg_log('qtranxf_detect_language: language_neutral_path=',$language_neutral_path);
if(!$language_neutral_path){
//qtranxf_dbg_log('qtranxf_detect_language: ignored_file_type=false; path='.$path);
$doredirect=true;
}
}
}
//qtranxf_dbg_log('doredirect=',$doredirect);
if($doredirect){
$urlto=$result['host'].$result['url'];
if(isset($_SERVER['HTTPS']))
$urlto='https://'.$urlto;
else
$urlto='http://'.$urlto;
//if(isset($_SERVER['QUERY_STRING'])) $url=
$target=qtranxf_convertURL($urlto,$lang,false,!$q_config['hide_default_language']);
$target = apply_filters('qtranslate_language_detect_redirect', $target, $result);
if($target!==false){
//qtranxf_dbg_log('qtranxf_detect_language:doredirect: url='.$url);
//qtranxf_dbg_log('qtranxf_detect_language:doredirect: urlto='.$urlto);
//qtranxf_dbg_log('qtranxf_detect_language:doredirect: target='.$target);
//qtranxf_dbg_log('qtranxf_detect_language:doredirect: POST: ',$_POST);
$url_parsed=parse_url($url);
$tgt_parsed=parse_url($target);
$url_parsed_path=isset($url_parsed['path'])?rtrim($url_parsed['path'],'/?#'):'';
$tgt_parsed_path=isset($tgt_parsed['path'])?rtrim($tgt_parsed['path'],'/?#'):'';
if($url_parsed_path!=$tgt_parsed_path){
qtranxf_set_language_cookie($lang);
wp_redirect($target);
//header('Location: '.$target);
exit();
}
}
}
qtranxf_set_language_cookie($lang);
$result['language'] = $lang;
return $result;
}
*/
function qtranxf_get_browser_language(){
//qtranxf_dbg_log('qtranxf_get_browser_language: HTTP_ACCEPT_LANGUAGE:',$_SERVER["HTTP_ACCEPT_LANGUAGE"]);
if(!isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) return null;
if(!preg_match_all("#([^;,]+)(;[^,0-9]*([0-9\.]+)[^,]*)?#i",$_SERVER["HTTP_ACCEPT_LANGUAGE"], $matches, PREG_SET_ORDER)) return null;
$prefered_languages = array();
$priority = 1.0;
foreach($matches as $match) {
if(!isset($match[3])) {
$pr = $priority;
$priority -= 0.001;
} else {
$pr = floatval($match[3]);
}
$prefered_languages[$match[1]] = $pr;
}
arsort($prefered_languages, SORT_NUMERIC);
//qtranxf_dbg_echo('qtranxf_get_browser_language: prefered_languages:',$prefered_languages);
foreach($prefered_languages as $language => $priority) {
if(strlen($language)>2) $language = substr($language,0,2);
if(qtranxf_isEnabled($language))
return $language;
}
}
function qtranxf_http_negotiate_language(){
global $q_config;
if(function_exists('http_negotiate_language')){
$supported=array();
$supported[]=str_replace('_','-',$q_config['locale'][$q_config['default_language']]);
foreach($q_config['enabled_languages'] as $lang){
$supported[]=str_replace('_','-',$q_config['locale'][$lang]);
}
$lang = http_negotiate_language($supported);
//qtranxf_dbg_log('qtranxf_http_negotiate_language:http_negotiate_language: lang=',$lang);
}else{
$lang = qtranxf_get_browser_language();
//qtranxf_dbg_log('qtranxf_http_negotiate_language:qtranxf_get_browser_language: lang=',$lang);
}
return $lang;
}
function qtranxf_resolveLangCase($lang,&$caseredirect)
{
if(qtranxf_isEnabled($lang)) return $lang;
$lng=strtolower($lang);
if(qtranxf_isEnabled($lng)){
$caseredirect=true;
return $lng;
}
$lng=strtoupper($lang);
if(qtranxf_isEnabled($lng)){
$caseredirect=true;
return $lng;
}
return FALSE;
}
function qtranxf_init() {
global $q_config;
do_action('qtranslate_init_begin');
/*
// Check for WP Secret Key Mismatch
global $wp_default_secret_key;
if(strpos($q_config['url_info']['url'],'wp-login.php')!==false && defined('AUTH_KEY') && isset($wp_default_secret_key) && $wp_default_secret_key != AUTH_KEY) {
global $error;
$error = __('Your $wp_default_secret_key is mismatchting with your AUTH_KEY. This might cause you not to be able to login anymore.', 'qtranslate');
}
*/
// load plugin translations
load_plugin_textdomain('qtranslate', false, dirname(plugin_basename( __FILE__ )).'/lang');
if($q_config['doing_front_end']){
// don't filter untranslated posts in admin
if($q_config['hide_untranslated']){
add_filter('posts_where_request', 'qtranxf_excludeUntranslatedPosts',10,2);
add_filter('comments_clauses','qtranxf_excludeUntranslatedPostComments',10,2);
}
foreach($q_config['text_field_filters'] as $nm){
add_filter($nm, 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage');
}
}
/*
//"WordPress SEO" plugin support - not yet
//if(is_plugin_active( 'wordpress-seo/wp-seo.php' )){//in admin only
if ( defined( 'WPSEO_FILE' ) ) {
//add_filter('wpseo_replacements', 'qtranxf_wpseo_replacements', 0);
add_filter('wpseo_replacements', 'qtranxf_useCurrentLanguageIfNotFoundUseDefaultLanguage', 0);
}
*/
//allow other plugins to initialize whatever they need for qTranslate
do_action('qtranslate_init');
}
function qtranxf_flag_location() {
global $q_config;
return trailingslashit(WP_CONTENT_URL).$q_config['flag_location'];
}
function qtranxf_flag_location_default() {
//$q_config['flag_location'] = 'plugins/qtranslate-x/flags/';
$plugindir = dirname(plugin_basename( __FILE__ ));
return 'plugins/'.$plugindir.'/flags/';
}
function qtranxf_load_option_flag_location($nm) {
global $q_config;
$default_value = qtranxf_flag_location_default();
$option_value = get_option('qtranslate_'.$nm);
if($option_value===FALSE){
$q_config[$nm] = $default_value;
}else{
// url fix for upgrading users
$flag_location = trailingslashit(preg_replace('#^wp-content/#','',$option_value));
if(file_exists(trailingslashit(WP_CONTENT_DIR).$flag_location) && $default_value != $flag_location){
$q_config[$nm] = $flag_location;
}else{
$q_config[$nm] = $default_value;
delete_option('qtranslate_'.$nm);
}
}
}
function qtranxf_validateBool($var, $default) {
if($var==='0') return false; elseif($var==='1') return true; else return $default;
}
function qtranxf_load_option($nm) {
global $q_config;
$val = get_option('qtranslate_'.$nm);
if($val===FALSE) return;
$q_config[$nm]=$val;
}
function qtranxf_load_option_array($nm) {
global $q_config;
$vals = get_option('qtranslate_'.$nm);
if(!is_array($vals)) return;
//clean up array due to previous configuration imperfections
foreach($vals as $key => $val){
if(!empty($val)) continue;
unset($vals[$key]);
if(!empty($vals)) continue;
delete_option('qtranslate_'.$nm);
break;
}
$q_config[$nm]=$vals;
}
function qtranxf_load_option_bool( $nm ) {
global $q_config;
$val = get_option('qtranslate_'.$nm);
if($val==='0') $q_config[$nm] = false;
elseif($val==='1') $q_config[$nm] = true;
}
// loads config via get_option and defaults to values set on top
function qtranxf_loadConfig() {
global $q_config;
//for other plugins and jave scripts to be able to fork by version
//$q_config['version'] = get_plugin_data( plugins_url( '/qtranslate.php', __FILE__ ), false, false )['Version'];
// Load everything
$language_names = get_option('qtranslate_language_names');
//$enabled_languages = get_option('qtranslate_enabled_languages');
qtranxf_load_option_array('enabled_languages');
$default_language = get_option('qtranslate_default_language');
//$flag_location = get_option('qtranslate_flag_location');
$flags = get_option('qtranslate_flags');
$locales = get_option('qtranslate_locales');
$na_messages = get_option('qtranslate_na_messages');
$date_formats = get_option('qtranslate_date_formats');
$time_formats = get_option('qtranslate_time_formats');
$use_strftime = get_option('qtranslate_use_strftime');
$ignore_file_types = get_option('qtranslate_ignore_file_types');
$url_mode = get_option('qtranslate_url_mode');
$term_name = get_option('qtranslate_term_name');
qtranxf_load_option_flag_location('flag_location');
qtranxf_load_option_bool('editor_mode');//will be integer later
if($url_mode==QTX_URL_DOMAINS) $q_config['domains']=array();
qtranxf_load_option_array('domains');
qtranxf_load_option_array('custom_fields');
qtranxf_load_option_array('custom_field_classes');
qtranxf_load_option_array('text_field_filters');
qtranxf_load_option_array('custom_pages');
// default if not set
if(!is_array($date_formats)) $date_formats = $q_config['date_format'];
if(!is_array($time_formats)) $time_formats = $q_config['time_format'];
if(!is_array($na_messages)) $na_messages = $q_config['not_available'];
if(!is_array($locales)) $locales = $q_config['locale'];
if(!is_array($flags)) $flags = $q_config['flag'];
if(!is_array($language_names)) $language_names = $q_config['language_name'];
//if(!is_array($enabled_languages)) $enabled_languages = $q_config['enabled_languages'];
if(!is_array($term_name)) $term_name = $q_config['term_name'];
if(empty($default_language)) $default_language = $q_config['default_language'];
if(empty($use_strftime)) $use_strftime = $q_config['use_strftime'];
if(empty($url_mode)) $url_mode = $q_config['url_mode'];
//if(!is_string($flag_location) || $flag_location==='') $flag_location = $q_config['flag_location'];
qtranxf_load_option_bool('detect_browser_language');
qtranxf_load_option_bool('hide_untranslated');
qtranxf_load_option_bool('show_displayed_language_prefix');
qtranxf_load_option_bool('auto_update_mo');
qtranxf_load_option_bool('hide_default_language');
qtranxf_load_option_bool('qtrans_compatibility');
// check for invalid permalink/url mode combinations
$permalink_structure = get_option('permalink_structure');
if($permalink_structure===""||strpos($permalink_structure,'?')!==false||strpos($permalink_structure,'index.php')!==false) $url_mode = QTX_URL_QUERY;
// overwrite default values with loaded values
$q_config['date_format'] = $date_formats;
$q_config['time_format'] = $time_formats;
$q_config['not_available'] = $na_messages;
$q_config['locale'] = $locales;
$q_config['flag'] = $flags;
$q_config['language_name'] = $language_names;
//$q_config['enabled_languages'] = $enabled_languages;
$q_config['default_language'] = $default_language;
//$q_config['flag_location'] = $flag_location;
$q_config['use_strftime'] = $use_strftime;
//$q_config['ignore_file_types'] = $ignore_file_types;
$val=explode(',',QTX_IGNORE_FILE_TYPES);
if(!empty($ignore_file_types)){
$vals=preg_split('/[\s,]+/', strtolower($ignore_file_types), null, PREG_SPLIT_NO_EMPTY);
foreach($vals as $v){
if(empty($v)) continue;
if(in_array($v,$val)) continue;
$val[]=$v;
}
}
$q_config['ignore_file_types'] = $val;
$q_config['url_mode'] = $url_mode;
$q_config['term_name'] = $term_name;
do_action('qtranslate_loadConfig');
}
/* BEGIN DATE TIME FUNCTIONS */
function qtranxf_strftime($format, $date, $default = '', $before = '', $after = '') {
// don't do anything if format is not given
if($format=='') return $default;
// add date suffix ability (%q) to strftime
$day = intval(ltrim(strftime("%d",$date),'0'));
$search = array();
$replace = array();
// date S
$search[] = '/(([^%])%q|^%q)/';
if($day==1||$day==21||$day==31) {
$replace[] = '$2st';
} elseif($day==2||$day==22) {
$replace[] = '$2nd';
} elseif($day==3||$day==23) {
$replace[] = '$2rd';
} else {
$replace[] = '$2th';
}
$search[] = '/(([^%])%E|^%E)/'; $replace[] = '${2}'.$day; // date j
$search[] = '/(([^%])%f|^%f)/'; $replace[] = '${2}'.date('w',$date); // date w
$search[] = '/(([^%])%F|^%F)/'; $replace[] = '${2}'.date('z',$date); // date z
$search[] = '/(([^%])%i|^%i)/'; $replace[] = '${2}'.date('n',$date); // date i
$search[] = '/(([^%])%J|^%J)/'; $replace[] = '${2}'.date('t',$date); // date t
$search[] = '/(([^%])%k|^%k)/'; $replace[] = '${2}'.date('L',$date); // date L
$search[] = '/(([^%])%K|^%K)/'; $replace[] = '${2}'.date('B',$date); // date B
$search[] = '/(([^%])%l|^%l)/'; $replace[] = '${2}'.date('g',$date); // date g
$search[] = '/(([^%])%L|^%L)/'; $replace[] = '${2}'.date('G',$date); // date G
$search[] = '/(([^%])%N|^%N)/'; $replace[] = '${2}'.date('u',$date); // date u
$search[] = '/(([^%])%Q|^%Q)/'; $replace[] = '${2}'.date('e',$date); // date e
$search[] = '/(([^%])%o|^%o)/'; $replace[] = '${2}'.date('I',$date); // date I
$search[] = '/(([^%])%O|^%O)/'; $replace[] = '${2}'.date('O',$date); // date O
$search[] = '/(([^%])%s|^%s)/'; $replace[] = '${2}'.date('P',$date); // date P
$search[] = '/(([^%])%v|^%v)/'; $replace[] = '${2}'.date('T',$date); // date T
$search[] = '/(([^%])%1|^%1)/'; $replace[] = '${2}'.date('Z',$date); // date Z
$search[] = '/(([^%])%2|^%2)/'; $replace[] = '${2}'.date('c',$date); // date c
$search[] = '/(([^%])%3|^%3)/'; $replace[] = '${2}'.date('r',$date); // date r
$search[] = '/(([^%])%4|^%4)/'; $replace[] = '${2}'.$date; // date U
$format = preg_replace($search,$replace,$format);
return $before.strftime($format, $date).$after;
}
function qtranxf_dateFromPostForCurrentLanguage($old_date, $format ='') {
global $post;
return qtranxf_strftime(qtranxf_convertDateFormat($format), mysql2date('U',$post->post_date), $old_date);
}
function qtranxf_dateModifiedFromPostForCurrentLanguage($old_date, $format ='') {
global $post;
return qtranxf_strftime(qtranxf_convertDateFormat($format), mysql2date('U',$post->post_modified), $old_date);
}
function qtranxf_timeFromPostForCurrentLanguage($old_date, $format = '', $post = null, $gmt = false) {
$post = get_post($post);
$post_date = $gmt? $post->post_date_gmt : $post->post_date;
return qtranxf_strftime(qtranxf_convertTimeFormat($format), mysql2date('U',$post_date), $old_date);
}
function qtranxf_timeModifiedFromPostForCurrentLanguage($old_date, $format = '', $gmt = false) {
global $post;
$post_date = $gmt? $post->post_modified_gmt : $post->post_modified;
return qtranxf_strftime(qtranxf_convertTimeFormat($format), mysql2date('U',$post_date), $old_date);
}
function qtranxf_dateFromCommentForCurrentLanguage($old_date, $format ='') {
global $comment;
return qtranxf_strftime(qtranxf_convertDateFormat($format), mysql2date('U',$comment->comment_date), $old_date);
}
function qtranxf_timeFromCommentForCurrentLanguage($old_date, $format = '', $gmt = false, $translate = true) {
if(!$translate) return $old_date;
global $comment;
$comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
return qtranxf_strftime(qtranxf_convertTimeFormat($format), mysql2date('U',$comment_date), $old_date);
}
/* END DATE TIME FUNCTIONS */
if (!function_exists('qtranxf_useTermLib')){
function qtranxf_useTermLib($obj) {
global $q_config;
if(is_array($obj)) {
// handle arrays recursively
foreach($obj as $key => $t) {
$obj[$key] = qtranxf_useTermLib($obj[$key]);
}
return $obj;
}
if(is_object($obj)) {
// object conversion
if(isset($q_config['term_name'][$obj->name][$q_config['language']])) {
//qtranxf_dbg_echo('qtranxf_useTermLib: object: ',$obj,true);
$obj->name = $q_config['term_name'][$obj->name][$q_config['language']];
}
} elseif(isset($q_config['term_name'][$obj][$q_config['language']])) {
//qtranxf_dbg_echo('qtranxf_useTermLib: string: ',$obj,true);
$obj = $q_config['term_name'][$obj][$q_config['language']];
}
return $obj;
}
}
function qtranxf_convertBlogInfoURL($url, $what) {
if($what=='stylesheet_url') return $url;
if($what=='template_url') return $url;
if($what=='template_directory') return $url;
if($what=='stylesheet_directory') return $url;
return qtranxf_convertURL($url);
}
// check if it is a link to an ignored file type
function qtranxf_ignored_file_type($path) {
global $q_config;
//$pathinfo = pathinfo($path);//too much overhead
//qtranxf_dbg_echo('qtranxf_ignored_file_type: pathinfo:',$pathinfo);
//if(!isset($pathinfo['extension'])) return false;
//$ext=strtolower($pathinfo['extension']);
$i=strpos($path,'?');
if($i!==FALSE){
$path=substr($path,0,$i);
}
$i=strpos($path,'#');
if($i!==FALSE){
$path=substr($path,0,$i);
}
$i=strrpos($path,'.');
//qtranxf_dbg_echo('qtranxf_ignored_file_type: path='.$path.'; i='.$i);
if($i===FALSE) return false;
$ext=substr($path,$i+1);
//qtranxf_dbg_echo('qtranxf_ignored_file_type: ext='.$ext);
return in_array($ext, $q_config['ignore_file_types']);
}
function qtranxf_language_neutral_path($path) {
//qtranxf_dbg_echo('qtranxf_language_neutral_path: path='.$path);
//if(preg_match("#^(wp-comments-post.php|wp-login.php|wp-signup.php|wp-register.php|wp-cron.php|wp-admin/)#", $path)) return true;
if(preg_match("#^(wp-.*\.php|wp-admin/|xmlrpc.php)#", $path)) return true;
if(qtranxf_ignored_file_type($path)) return true;
return false;
}
if (!function_exists('qtranxf_get_url_for_language')){
function qtranxf_get_url_for_language($url, $lang, $showLanguage) {
global $q_config;
// check for trailing slash
$nottrailing = (strpos($url,'?')===false && strpos($url,'#')===false && substr($url,-1,1)!='/');
// check if it's an external link
$urlinfo = qtranxf_parseURL($url);
$home = rtrim(get_option('home'),'/');
//qtranxf_dbg_log('qtranxf_convertURL: $home: ',$home);
//qtranxf_dbg_log('qtranxf_convertURL: $urlinfo: ',$urlinfo);
//if($urlinfo['host']!='') {
if(!empty($urlinfo['host'])){
// check for already existing pre-domain language information
if($q_config['url_mode'] == QTX_URL_DOMAIN && preg_match("#^([a-z]{2}).#i",$urlinfo['host'],$match)) {
if(qtranxf_isEnabled($match[1])) {
// found language information, remove it
$url = preg_replace('/'.$match[1]."\./i","",$url, 1);
// reparse url
$urlinfo = qtranxf_parseURL($url);
}
}
if(substr($url,0,strlen($home))!=$home) return $url;
$site = rtrim(get_option('siteurl'),'/');
if($site != $home && qtranxf_startsWith($url,$site)) return $url;
// strip home path
$url = substr($url,strlen($home));
} else {
// relative url, strip home path
$homeinfo = qtranxf_parseURL($home);
if($homeinfo['path']==substr($url,0,strlen($homeinfo['path']))) {
$url = substr($url,strlen($homeinfo['path']));
}
}
// check for query language information and remove if found
if(preg_match("#(&|\?)lang=([^&\#]+)#i",$url,$match)){// && qtranxf_isEnabled($match[2])) {
$url = preg_replace("#(&|\?)lang=".$match[2]."&?#i","$1",$url);
}
// remove any slashes out front
$url = ltrim($url,'/');
// remove any useless trailing characters
$url = rtrim($url,"?&");
// re-parse url without home path
$urlinfo = qtranxf_parseURL($url);
// check if its a link to an ignored file type
//$ignore_file_types = preg_split('/\s*,\s*/', strtolower($q_config['ignore_file_types']));
//$pathinfo = pathinfo($urlinfo['path']);
//if(isset($pathinfo['extension']) && in_array(strtolower($pathinfo['extension']), $ignore_file_types)) {
//if(qtranxf_ignored_file_type($urlinfo['path'])){
// return $home.'/'.$url;
//}
// ignore wp internal links
//if(preg_match("#^(wp-login.php|wp-signup.php|wp-register.php|wp-admin/)#", $url)) {
if(qtranxf_language_neutral_path($url)) {
return $home.'/'.$url;
}
$url_mode = $q_config['url_mode'];
switch($url_mode) {
case QTX_URL_PATH: // pre path
// might already have language information
//qtranxf_dbg_echo('qtranxf_convertURL:url='.$url);
if(preg_match("#^([a-z]{2})(/|$)#i",$url,$match)) {
if(qtranxf_isEnabled($match[1])) {
// found language information, remove it
$url = substr($url, 3);
}
}
if($showLanguage) $url = $lang.'/'.$url;
break;
case QTX_URL_DOMAIN: // pre domain
if($showLanguage) $home = preg_replace("#//#","//".$lang.".",$home,1);
break;
case QTX_URL_DOMAINS: // domain per language
return $q_config['domains'][$lang].'/'.$url;
default: // query
if($showLanguage){
//$url=add_query_arg('lang',$lang,$url);//it is doing much more than needed here
if(strpos($url,'?')===false) {
$url .= '?';
} else {
$url .= '&';
}
$url .= 'lang='.$lang;
}
break;
}
// see if cookies are activated
//if($q_config['hide_default_language'] && !$showDefaultLanguage) &&
//if(!$showDefaultLanguage && $lang == $q_config['default_language'] &&
//if(!($showDefaultLanguage || $lang != $q_config['default_language']) &&
if( !$showLanguage
//&& !$q_config['cookie_enabled']
//&& !isset($q_config['url_info']['internal_referer'])
&& $urlinfo['path'] == ''
&& $q_config['language'] != $q_config['default_language']) {
// :( now we have to make unpretty URLs
//$url=add_query_arg('lang',$lang,$url);//it is doing much more than needed here
//$url = preg_replace("#(&|\?)lang=".$match[2]."&?#i","$1",$url);//already removed above
if(strpos($url,'?')===false) {
$url .= '?';
} else {
$url .= '&';
}
$url .= "lang=".$lang;
}
$complete = $home.'/'.$url;
// remove trailing slash if there wasn't one to begin with
if($nottrailing && strpos($complete,'?')===false && strpos($complete,'#')===false && substr($complete,-1,1)=='/')
$complete = substr($complete,0,-1);
$complete = apply_filters('qtranslate_get_url_for_language',$complete,$lang);
return $complete;