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qtranslate_core.php
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<?php
if ( !defined( 'ABSPATH' ) ) exit;
function qtranxf_init_language() {
global $q_config, $pagenow;
//qtranxf_dbg_log('1.qtranxf_init_language:');
//if(defined('QTRANS_INIT')){
// //qtranxf_dbg_log('qtranxf_init_language: QTRANS_INIT: url_info: ',$q_config['url_info']);
// return;
//}
//define('QTRANS_INIT',true);
qtranxf_loadConfig();
//'url_info' hash is not for external use, it is subject to change at any time.
//'url_info' is preserved on reloadConfig
if(!isset($q_config['url_info']))
$q_config['url_info'] = array();
$url_info = &$q_config['url_info'];
$url_info['cookie_enabled'] = isset($_COOKIE[QTX_COOKIE_NAME_FRONT]) || isset($_COOKIE[QTX_COOKIE_NAME_ADMIN]);
if(WP_DEBUG){
$url_info['pagenow'] = $pagenow;
$url_info['REQUEST_METHOD'] = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : '';
if(defined('WP_ADMIN')&&WP_ADMIN) $url_info['WP_ADMIN'] = true;
if(defined('DOING_AJAX')) $url_info['DOING_AJAX_POST'] = $_POST;
if(defined('DOING_CRON')) $url_info['DOING_CRON_POST'] = $_POST;
}
//fill $url_info the same way as _parseURL does
$url_info['scheme'] = is_ssl() ? 'https' : 'http';
$url_info['host'] = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ''; //https://wordpress.org/support/topic/messy-wp-cronphp-command-line-output
if(empty($_SERVER['REQUEST_URI'])){
$url_info['path'] = '';
}else{
$url_info['path'] = $_SERVER['REQUEST_URI'];
$p = strpos($url_info['path'],'?');
if($p){
$url_info['path'] = substr($url_info['path'],0,$p);
if(empty($_SERVER['QUERY_STRING'])){
$url_info['query'] = substr($url_info['path'],$p+1);
}else{
$url_info['query'] = $_SERVER['QUERY_STRING'];
}
$url_info['query'] = qtranxf_sanitize_url($url_info['query']); // to prevent xss
if(strpos($url_info['query'],'qtranslate-mode=raw')!==false){
$url_info['qtranslate-mode'] = 'raw';
$url_info['doing_front_end'] = true;
$q_config['url_info'] = $url_info;
$q_config['url_info']['language'] = $q_config['default_language'];
$q_config['language'] = $q_config['default_language'];
//qtranxf_load_option_qtrans_compatibility();
return;
}
}
}
$url_info['original_url'] = $_SERVER['REQUEST_URI'];//is in use in -slug, here is for debugging purpose only
//qtranxf_dbg_log('qtranxf_init_language: SERVER: ',$_SERVER);
$url_info['language'] = qtranxf_detect_language($url_info);
$q_config['language'] = apply_filters('qtranslate_language', $url_info['language'], $url_info);
//qtranxf_dbg_log('qtranxf_init_language: detected: url_info: ',$url_info);
if( $q_config['url_info']['doing_front_end'] && qtranxf_can_redirect() ){
$lang = $q_config['language'];
$url_orig = $url_info['scheme'].'://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
$url_lang = qtranxf_convertURL('',$lang);//uses $q_config['url_info'] and caches information, which will be needed later anyway.
if(!isset($url_info['doredirect']) && $url_orig != $url_lang){
$url_info['doredirect'] = '$url_orig != $url_lang';
}
if(isset($url_info['doredirect'])){
/**
* Filter provides a chance to alter redirect behaviour.
* @param string $url_lang proposed target URL for the active language to redirect to.
* @param string $url_orig original URL supplied to browser, which needs to be standardized.
* @param array $url_info a hash of various information parsed from original URL, coockies and other site configuration. The key names should be self-explanatory.
* @return mixed A new URL to be redirected to instead of $url_lang or "false" to cancel redirection.
*/
$target = apply_filters('qtranslate_language_detect_redirect', $url_lang, $url_orig, $url_info);
//qtranxf_dbg_log('qtranxf_init_language: doredirect to '.$lang.PHP_EOL .'urlorg:'.$url_orig.PHP_EOL .'target:'.$target.PHP_EOL .'url_info: ',$url_info);
if($target!==false && $target != $url_orig){
nocache_headers();
wp_redirect($target);
//header('Location: '.$target);
exit();
}else{
//neutral path
$url_info['doredirect'] .= ' - cancelled, because it goes to the same target - neutral URL';
if($pagenow == 'index.php' && $q_config['url_mode'] == QTX_URL_PATH){
$_SERVER['REQUEST_URI'] = trailingslashit($url_info['path-base']).$lang.$url_info['wp-path'];//should not hurt?
if(!empty($url_info['query'])) $_SERVER['REQUEST_URI'] .= '?'.$url_info['query'];
}
}
//qtranxf_dbg_log('qtranxf_init_language: doredirect canceled: $url_info: ',$url_info);
}
}elseif(isset($url_info['doredirect'])){
$url_info['doredirect'] .= ' - cancelled by can_redirect';
//qtranxf_dbg_log('qtranxf_init_language: doredirect canceled: $url_info: ',$url_info);
}
// fix url to prevent xss - how does this prevents xss?
//$q_config['url_info']['url'] = qtranxf_convertURL(add_query_arg('lang',$q_config['default_language'],$q_config['url_info']['url']));
//qtranslate_hooks.php has to go before load_plugin_textdomain()
require_once(dirname(__FILE__).'/qtranslate_hooks.php');//common hooks moved here from qtranslate.php since 3.2.9.2, because they all need language already detected
// load plugin translations
// since 3.2-b3 moved it here as https://codex.wordpress.org/Function_Reference/load_plugin_textdomain seem to recommend to run load_plugin_textdomain in 'plugins_loaded' action, which is this function respond to
$lang_dir = qtranxf_plugin_dirname().'/lang';
load_plugin_textdomain('qtranslate', false, $lang_dir);
/**
* allow other plugins to initialize whatever they need before the fork between front and admin.
*/
do_action('qtranslate_load_front_admin',$url_info);
if($q_config['url_info']['doing_front_end']) {
require_once(QTRANSLATE_DIR.'/qtranslate_frontend.php');
}else{
require_once(QTRANSLATE_DIR.'/admin/qtx_admin.php');
}
apply_filters('wp_translator', null);//create QTX_Translator object
qtranxf_load_option_qtrans_compatibility();
/**
* allow other plugins to initialize whatever they need for language
*/
do_action('qtranslate_init_language',$url_info);
//qtranxf_dbg_log('qtranxf_init_language: done: url_info: ',$url_info);
}
add_action('plugins_loaded', 'qtranxf_init_language', 2);//user is not authenticated yet
function qtranxf_detect_language(&$url_info) {
global $q_config;
if(defined('WP_ADMIN') || defined('WP_CLI')){
$siteinfo = qtranxf_get_site_info();
$url_info['path-base'] = $siteinfo['path'];
$url_info['path-base-length'] = $siteinfo['path-length'];
}else{
qtranxf_complete_url_info($url_info);
if(!isset($url_info['path-base'])){
//path did not match neither 'site' nor 'home', but it came to this code, then redirect to home.
//may happen for testing
$target = get_option('home');
wp_redirect($target);
exit();
}
$url_info['doing_front_end'] = true;
}
$lang = qtranxf_parse_language_info($url_info);
if( (!$lang || !isset($url_info['doing_front_end']))
&& (defined('DOING_AJAX') || !$url_info['cookie_enabled'])
&& isset($_SERVER['HTTP_REFERER'])
){
//get language from HTTP_REFERER, if needed, and detect front- vs back-end
$http_referer = $_SERVER['HTTP_REFERER'];
$url_info['http_referer'] = $http_referer;
if(strpos($http_referer,'/wp-admin')!==FALSE){
$url_info['referer_admin'] = true;
if(!isset($url_info['doing_front_end'])) $url_info['doing_front_end'] = false;
}else{
$ref_info = qtranxf_parseURL($http_referer);
if( !qtranxf_external_host($ref_info['host']) ) {
//determine $ref_info['path-base']
qtranxf_complete_url_info($ref_info);
if(isset($ref_info['path-base'])){
$url_info['internal_referer'] = true;
//$ref_info['url'] = $ref_info['path'];
if(!$lang || !(isset($url_info['doing_front_end']) || isset($ref_info['doing_front_end']))){
$lang = qtranxf_parse_language_info($ref_info,true);
if($lang === false) unset($url_info['internal_referer']);
}
$url_info['referer_language'] = $lang;
if(!isset($url_info['doing_front_end']) && isset($ref_info['doing_front_end'])){
$url_info['doing_front_end'] = $ref_info['doing_front_end'];
}
}
}
if(!$lang && $q_config['hide_default_language']
&& isset($url_info['doing_front_end']) && $url_info['doing_front_end'] )
{
$lang = $q_config['default_language'];
}
}
}
//$url_info['doing_front_end'] defines if we are in front- or back-end. Why WP does not have that, or does it?
if(!isset($url_info['doing_front_end'])) $url_info['doing_front_end'] = !defined('WP_ADMIN');
if(!$lang) {
if( $url_info['doing_front_end'] ){
$lang = qtranxf_detect_language_front($url_info);
}else{
$lang = qtranxf_detect_language_admin($url_info);
}
}
$url_info['set_cookie'] = !defined('DOING_AJAX');
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$lang = apply_filters_ref_array('i18n_detect_language', array($lang, &$url_info));
$url_info['language'] = $lang;
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$url_info = apply_filters('qtranslate_detect_language', $url_info);//obsolete, use the above filter instead
$lang = $url_info['language'];
//qtranxf_dbg_log('qtranxf_detect_language: detected: url_info: ',$url_info);
if($url_info['set_cookie']) qtranxf_set_language_cookie($lang);
return $lang;
}
/**
* Expects to be set before call:
* - $url_info['host']
* - $url_info['path']
* - $url_info['query']
* - $url_info['path-base']
* - $url_info['path-base-length']
*/
function qtranxf_parse_language_info(&$url_info, $link=false) {
global $q_config;
qtranxf_complete_url_info_path($url_info);
if(!isset($url_info['wp-path']))
return false;// url is not from this WP installation
$doredirect=false;
if( !defined('WP_ADMIN') || $link ){
$lang = null;
$url_mode = $q_config['url_mode'];
switch($url_mode) {
case QTX_URL_PATH: // pre path
if( !empty($url_info['wp-path']) && preg_match('!^/([a-z]{2})(/|$)!i',$url_info['wp-path'],$match)) {
$lang = qtranxf_resolveLangCase($match[1],$doredirect);
if($lang){
$url_info['lang_url'] = $lang;
$url_info['wp-path'] = substr($url_info['wp-path'],3);
$url_info['doing_front_end'] = true;
if(WP_DEBUG){
$url_info['url_mode'] = 'pre-path';
}
}
}
//}
break;
case QTX_URL_DOMAIN: // pre domain
if(!empty($url_info['host'])) {
if(preg_match('#^([a-z]{2})\.#i',$url_info['host'],$match)) {
$lang = qtranxf_resolveLangCase($match[1],$doredirect);
if($lang){
$url_info['lang_url'] = $lang;
$url_info['host'] = substr($url_info['host'],3);
$url_info['doing_front_end'] = true;
if(WP_DEBUG){
$url_info['url_mode'] = 'pre-domain';
}
}
}
}
break;
case QTX_URL_DOMAINS: // domain per language
if(!empty($url_info['host'])){
foreach($q_config['enabled_languages'] as $lang){//todo should have hash host->lang
if(!isset($q_config['domains'][$lang])) continue;
if($q_config['domains'][$lang] != $url_info['host']) continue;
$url_info['lang_url'] = $lang;
if($lang != $q_config['default_language'] || strpos(get_option('siteurl'),$url_info['host']) === FALSE){
$url_info['doing_front_end'] = true;
}
if(WP_DEBUG){
$url_info['url_mode'] = 'per-domain';
}
break;
}
}
break;
default:
/**
* Hook for possible other methods
* Set, if applicable:
* $url_info['lang_url']
* $url_info['doing_front_end']
* $url_info['path'] - convert to language neutral or default
*/
$url_info = apply_filters('qtranslate_parse_language_info_mode', $url_info, $q_config['url_mode']);
if(isset($url_info['lang_url'])) $lang = $url_info['lang_url'];
break;
}
}
$lang = null;
if(!$link){
if(isset($_GET['lang'])){
$lang = qtranxf_resolveLangCase($_GET['lang'],$doredirect);
if($lang) $url_info['lang_query_get'] = $lang;
}else if(isset($_POST['lang'])){
$lang = qtranxf_resolveLangCase($_POST['lang'],$doredirect);
if($lang) $url_info['lang_query_post'] = $lang;//todo excessive?
}
}elseif( !empty($url_info['query']) && preg_match('/(^|&|&|&|\?)lang=([a-z]{2})/i',$url_info['query'],$match) ) { //rx is changed in 3.4.6.5: https://github.com/qTranslate-Team/qtranslate-x/issues/288
$lang = qtranxf_resolveLangCase($match[2],$doredirect);
if($lang) $url_info['lang_query_link'] = $lang;//todo excessive?
}
if($lang){
$url_info['lang_query'] = $lang;
qtranxf_del_query_arg($url_info['query'],'lang');
//if(isset($url_info['lang_url'])){
// if($lang !== $url_info['lang_url']) $doredirect=true;
//}elseif(!defined('WP_ADMIN')){
if( $q_config['url_mode'] != QTX_URL_QUERY ) $doredirect=true;
//}
}else if(isset($url_info['lang_url'])){
$lang = $url_info['lang_url'];
if($q_config['hide_default_language'] && $lang == $q_config['default_language']) $doredirect=true;
}
if($lang) $url_info['language'] = $lang;
if($doredirect){
$url_info['doredirect'] = 'detected in parse_language_info';
}
if(!isset($url_info['doing_front_end'])){
$language_neutral_path = qtranxf_language_neutral_path($url_info['wp-path']);
$url_info['language_neutral_path'] = $language_neutral_path;
if(!$language_neutral_path){
$url_info['doing_front_end'] = true;
}
}
/**
* Hook for possible other methods
* Set $url_info['language'] with the result
*/
$url_info = apply_filters('qtranslate_parse_language_info', $url_info, $link);//slug?
if(isset($url_info['language'])) $lang = $url_info['language'];
return $lang;
}
function qtranxf_detect_language_admin(&$url_info) {
require_once(dirname(__FILE__).'/admin/qtx_admin_utils.php');
$url_info = apply_filters('qtranslate_detect_admin_language',$url_info);
return $url_info['lang_admin'];
}
function qtranxf_detect_language_front(&$url_info) {
global $q_config;
//assert($url_info['doing_front_end']);
while(true){
if( isset($_COOKIE[QTX_COOKIE_NAME_FRONT]) ){
$cs=null;
$lang=qtranxf_resolveLangCase($_COOKIE[QTX_COOKIE_NAME_FRONT],$cs);
$url_info['lang_cookie_front'] = $lang;
if($lang) break;
}
if( $q_config['detect_browser_language']
&& ( !isset($_SERVER['HTTP_REFERER']) || strpos($_SERVER['HTTP_REFERER'],$url_info['host'])===FALSE )//external referrer or no referrer
&& ( empty($url_info['wp-path']) || $url_info['wp-path'] == '/' )// home page is requested
){
$lang=qtranxf_http_negotiate_language();
$url_info['lang_browser'] = $lang;
if($lang) break;
}
$lang = $q_config['default_language'];
break;
}
if( !isset($url_info['doredirect'])
&& (!$q_config['hide_default_language'] || $lang != $q_config['default_language'])
//&& !$url_info['language_neutral_path']//already so
){
$url_info['doredirect']='language needs to be shown in url';
}
return $lang;
}
function qtranxf_setcookie_language($lang, $cookie_name, $cookie_path, $cookie_domain = NULL, $secure = false){
//qtranxf_dbg_log('qtranxf_setcookie_language: lang='.$lang.'; cookie_name='.$cookie_name.'; cookie_path='.$cookie_path);
setcookie($cookie_name, $lang, time()+31536000, $cookie_path, $cookie_domain, $secure);//one year
//two weeks 1209600
}
function qtranxf_set_language_cookie($lang){
global $q_config;
if(defined('WP_ADMIN')){
//qtranxf_dbg_log('qtranxf_set_language_cookie: QTX_COOKIE_NAME_ADMIN: lang=',$lang);
qtranxf_setcookie_language( $lang, QTX_COOKIE_NAME_ADMIN, ADMIN_COOKIE_PATH );
}elseif(!$q_config['disable_client_cookies']){
qtranxf_setcookie_language( $lang, QTX_COOKIE_NAME_FRONT, COOKIEPATH, NULL, $q_config['use_secure_cookie'] );
}
}
function qtranxf_get_browser_language(){
//qtranxf_dbg_log('qtranxf_get_browser_language: HTTP_ACCEPT_LANGUAGE:',$_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_log('qtranxf_get_browser_language: prefered_languages:',$prefered_languages);
foreach($prefered_languages as $language => $priority) {
$lang = qtranxf_match_language_locale($language);
if($lang) return $lang;
}
return null;
}
function qtranxf_http_negotiate_language(){
global $q_config;
if(function_exists('http_negotiate_language')){
$default_language = $q_config['default_language'];
$supported=array();
$supported[] = qtranxf_html_locale($q_config['locale'][$default_language]);//needs to be the first
if(!empty($q_config['locale_html'][$default_language])){
$supported[] = $q_config['locale_html'][$default_language];
}
foreach($q_config['enabled_languages'] as $lang){
if($lang == $default_language) continue;
$supported[] = qtranxf_html_locale($q_config['locale'][$lang]);
if(!empty($q_config['locale_html'][$lang])){
$supported[] = $q_config['locale_html'][$lang];
}
}
$locale_negotiated = http_negotiate_language($supported);
return qtranxf_match_language_locale($locale_negotiated);
}else{
return qtranxf_get_browser_language();
}
}
function qtranxf_resolveLangCase($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_load_option_qtrans_compatibility(){
global $q_config;
qtranxf_load_option_bool('qtrans_compatibility',false);
$q_config['qtrans_compatibility'] = apply_filters('qtranslate_compatibility', $q_config['qtrans_compatibility']);
if( !isset($q_config['qtrans_compatibility']) || !$q_config['qtrans_compatibility'] ) return;
require_once(dirname(__FILE__).'/qtranslate_compatibility.php');
}
/**
* Response to action 'init', which runs after user is authenticated.
* Currently unused.
* Is in use by 3rd-party plugins (for example, alo_easymail) to test q-X presence,
* which they should have done by testing "if ( defined( 'QTRANSLATE_FILE' )" instead.
* @since 3.4
*/
function qtranxf_init() {
//qtranxf_dbg_log('3.qtranxf_init:');
}
add_action('init', 'qtranxf_init',2);//user is authenticated
function qtranxf_front_header_css_default(){
global $q_config;
$flag_location=qtranxf_flag_location();
$css = '';
foreach($q_config['enabled_languages'] as $lang)
{
$css .= '.qtranxs_flag_'.$lang.' {background-image: url('.$flag_location.$q_config['flag'][$lang].'); background-repeat: no-repeat;}'.PHP_EOL;
}
return $css;
}
function qtranxf_flag_location() {
global $q_config;
return trailingslashit(content_url()).$q_config['flag_location'];
}
function qtranxf_flag_location_default() {
return qtranxf_plugin_dirname_from_wp_content().'/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, $default_value) {
if($var==='0') return false; elseif($var==='1') return true; else return $default_value;
}
function qtranxf_load_option($nm, $default_value=null) {
global $q_config, $qtranslate_options;
$val = get_option('qtranslate_'.$nm);
if($val===FALSE){
if(is_null($default_value)){
if(!isset($qtranslate_options['default_value'][$nm])) return;
$default_value = $qtranslate_options['default_value'][$nm];
}
if(is_string($default_value) && function_exists($default_value)){
$val = call_user_func($default_value);
}else{
$val = $default_value;
}
}
$q_config[$nm]=$val;
}
function qtranxf_load_option_array($nm, $default_value=null) {
global $q_config;
$vals = get_option('qtranslate_'.$nm);
if($vals === FALSE){
if(is_null($default_value)) return;
if(is_string($default_value)){
if(function_exists($default_value)){
$vals = call_user_func($default_value);
}else{
$vals = preg_split('/[\s,]+/',$default_value,null,PREG_SPLIT_NO_EMPTY);
}
}else if(is_array($default_value)) $vals = $default_value;
}
if(!is_array($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, $default_value=null ) {
global $q_config;
$val = get_option('qtranslate_'.$nm);
if($val===FALSE){ if(!is_null($default_value)) $q_config[$nm] = $default_value; }
elseif($val==='0') $q_config[$nm] = false;
elseif($val==='1') $q_config[$nm] = true;
}
function qtranxf_load_option_func($nm, $opn=null, $func=null) {
global $q_config;
if(!$opn) $opn = 'qtranslate_'.$nm;
$val = get_option($opn);
if($val===FALSE){
if(!$func) $func = 'qtranxf_default_'.$nm;
$val = call_user_func($func);
}
$q_config[$nm]=$val;
}
function qtranxf_is_permalink_structure_query(){
//global $wp_rewrite;//object is not ready in 'plugins_loaded'
//qtranxf_dbg_log('qtranxf_is_permalink_structure_query: $wp_rewrite->permalink_structure: ', $wp_rewrite->permalink_structure);
$permalink_structure = get_option('permalink_structure');
//qtranxf_dbg_log('qtranxf_is_permalink_structure_query: ', $permalink_structure);
return empty($permalink_structure)||strpos($permalink_structure, '?')!==false||strpos($permalink_structure, 'index.php')!==false;
}
function qtranxf_loadConfig() {
global $qtranslate_options, $q_config;
qtranxf_set_default_options($qtranslate_options);
$q_config = array();
qtranxf_load_option_func('default_language');
qtranxf_load_option_array('enabled_languages');
qtranxf_load_option_flag_location('flag_location');
foreach($qtranslate_options['front']['int'] as $nm => $def){
qtranxf_load_option($nm, $def);
}
//qtranxf_dbg_log('qtranxf_loadConfig: $q_config[use_strftime]: ',$q_config['use_strftime']);
if($q_config['use_strftime'] != QTX_DATE_WP && qtranxf_windows_os()){
$q_config['use_strftime'] = QTX_DATE_WP;
}
qtranxf_load_languages_enabled();
foreach($qtranslate_options['front']['bool'] as $nm => $def){
qtranxf_load_option_bool($nm,$def);
}
foreach($qtranslate_options['front']['str'] as $nm => $def){
qtranxf_load_option($nm, $def);
}
foreach($qtranslate_options['front']['text'] as $nm => $def){
qtranxf_load_option($nm, $def);
}
foreach($qtranslate_options['front']['array'] as $nm => $def){
qtranxf_load_option_array($nm,$def);
}
qtranxf_load_option_array('term_name', array());
if($q_config['filter_options_mode'] == QTX_FILTER_OPTIONS_LIST){
qtranxf_load_option_array('filter_options',QTX_FILTER_OPTIONS_DEFAULT);
}
$url_mode = $q_config['url_mode'];
// check for invalid permalink/url mode combinations
if(qtranxf_is_permalink_structure_query()){
switch($url_mode){
case QTX_URL_QUERY:
case QTX_URL_DOMAIN:
case QTX_URL_DOMAINS: break;
default: $q_config['url_mode'] = $url_mode = QTX_URL_QUERY; break;
}
}
switch($url_mode){
case QTX_URL_DOMAINS:
$q_config['domains']=array();
qtranxf_load_option_array('domains');
//qtranxf_dbg_echo('domains loaded: ',$q_config['domains']);
foreach( $q_config['enabled_languages'] as $lang ){
if(isset($q_config['domains'][$lang])) continue;
$homeinfo = qtranxf_get_home_info();
$q_config['domains'][$lang] = $lang.'.'.$homeinfo['host'];
}
$q_config['disable_client_cookies'] = true;
$q_config['hide_default_language'] = false;
break;
case QTX_URL_QUERY:
case QTX_URL_PATH:
$q_config['disable_client_cookies'] = false;
qtranxf_load_option_bool('disable_client_cookies');
break;
case QTX_URL_DOMAIN:
default:
$q_config['disable_client_cookies'] = true;
break;
}
$ignore_file_types = get_option('qtranslate_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'] = $val;
if(empty($q_config['front_config'])){
//todo this should be granulated to load only what is needed
require_once(QTRANSLATE_DIR.'/admin/qtx_activation_hook.php');
require_once(QTRANSLATE_DIR.'/admin/qtx_admin_options_update.php');
qtranxf_update_i18n_config();
}
/**
* Opportunity to load additional front-end features.
*/
do_action('qtranslate_loadConfig');
}
/**
* @since 3.4
*/
function qtranxf_use_term($lang, $obj, $taxonomy) {
global $q_config;
if(is_array($obj)) {
// handle arrays recursively
foreach($obj as $key => $t) {
$obj[$key] = qtranxf_use_term($lang, $obj[$key], $taxonomy);
}
return $obj;
}
if(is_object($obj)) {
// object conversion
if(isset($q_config['term_name'][$obj->name][$lang])) {
//qtranxf_dbg_echo('qtranxf_translate_term: object: ',$obj,true);
$obj->name = $q_config['term_name'][$obj->name][$lang];
}
} elseif(isset($q_config['term_name'][$obj][$lang])) {
//qtranxf_dbg_echo('qtranxf_translate_term: string: ',$obj,true);
$obj = $q_config['term_name'][$obj][$lang];
}
return $obj;
}
function qtranxf_useTermLib($obj) {
global $q_config;
return qtranxf_use_term($q_config['language'], $obj, null);
}
// check if it is a link to an ignored file type
function qtranxf_ignored_file_type($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_log('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/)#", $path)) return true;
if( empty($path) ) return false;
static $language_neutral_path_cache;
if(isset($language_neutral_path_cache[$path])){
//qtranxf_dbg_log('qtranxf_language_neutral_path: cached='.$language_neutral_path_cache[$path].': path='.$path);
return $language_neutral_path_cache[$path];
}
//if(preg_match('#^/(wp-.*\.php|wp-admin/|xmlrpc.php|.*sitemap.*|robots.txt|oauth/)#', $path)){//sitemap.hml works ok without it
if(preg_match('#^/(wp-.*\.php|wp-login/|wp-admin/|xmlrpc.php|robots.txt|oauth/)#', $path)){
$language_neutral_path_cache[$path] = true;
//qtranxf_dbg_log('qtranxf_language_neutral_path: preg_match: path='.$path);
return true;
}
if(qtranxf_ignored_file_type($path)){
$language_neutral_path_cache[$path] = true;
//qtranxf_dbg_log('qtranxf_language_neutral_path: file_type: path='.$path);
return true;
}
$language_neutral_path_cache[$path] = false;
return false;
}
/**
* @since 3.0
*/
function qtranxf_url_del_language(&$urlinfo) {
global $q_config;
//$urlinfo = apply_filters('qtranslate_url_del_language_pre', $urlinfo);
if(!empty($urlinfo['query'])){
$query = &$urlinfo['query'];
// & workaround
if(strpos($query,'&')!==false){
$query = str_replace('&','&',$query);
$urlinfo['query_amp']=true;
}
if(strpos($urlinfo['query'],'&')!==false){
$query = str_replace('&','&',$query);
$urlinfo['query_amp']=true;
}
qtranxf_del_query_arg($query,'lang');
}
$url_mode = $q_config['url_mode'];
switch($url_mode) {
case QTX_URL_PATH: // pre-path
// might already have language information
if(!empty($urlinfo['wp-path']) && preg_match('!^/([a-z]{2})(/|$)!i',$urlinfo['wp-path'],$match)) {
if(qtranxf_isEnabled($match[1])){
// found language information, remove it
$urlinfo['wp-path'] = substr($urlinfo['wp-path'], 3);
}
}
break;
case QTX_URL_DOMAIN: // pre-domain
// remove language information
$homeinfo=qtranxf_get_home_info();
$urlinfo['host'] = $homeinfo['host'];
break;
case QTX_URL_DOMAINS: // per-domain
$urlinfo['host'] = $q_config['domains'][$q_config['default_language']];
break;
//case QTX_URL_QUERY: // query
// break;
//default: break;
}
$urlinfo = apply_filters('qtranslate_url_del_language',$urlinfo,$url_mode);
//qtranxf_dbg_log('qtranxf_url_del_language: $urlinfo:',$urlinfo);
}
function qtranxf_url_set_language($urlinfo,$lang,$showLanguage) {
global $q_config;
$urlinfo = qtranxf_copy_url_info($urlinfo);
//qtranxf_dbg_log('qtranxf_url_set_language: $urlinfo:',$urlinfo);
if($showLanguage){
$url_mode = $q_config['url_mode'];
$urlinfo = apply_filters('qtranslate_url_set_language_pre',$urlinfo,$lang,$url_mode);
switch($url_mode) {
case QTX_URL_PATH: // pre-path
//qtranxf_dbg_log_if(!isset($urlinfo['wp-path']),'qtranxf_url_set_language: wp-path not set $urlinfo:',$urlinfo,true);
$urlinfo['wp-path'] = '/'.$lang.$urlinfo['wp-path'];
break;
case QTX_URL_DOMAIN: // pre-domain
$urlinfo['host'] = $lang.'.'.$urlinfo['host'];
//qtranxf_dbg_log('qtranxf_url_set_language: QTX_URL_DOMAIN: urlinfo:',$urlinfo);
break;
case QTX_URL_DOMAINS: // per-domain
$urlinfo['host'] = $q_config['domains'][$lang];
break;
case QTX_URL_QUERY: // query
qtranxf_add_query_arg($urlinfo['query'],'lang='.$lang);
break;
//default: break;
}
$urlinfo = apply_filters('qtranslate_url_set_language',$urlinfo,$lang,$url_mode);
}
// see if cookies are activated
if( !$showLanguage//there still is no language information in the converted URL
&& !$q_config['url_info']['cookie_enabled']// there will be no way to take language from the cookie
//&& empty($urlinfo['path']) //why this was here?
//&& !isset($q_config['url_info']['internal_referer'])//three below replace this one?
&& $q_config['language'] != $q_config['default_language']//we need to be able to get language other than default
&& empty($q_config['url_info']['lang_url'])//we will not be able to get language from referrer path
&& empty($q_config['url_info']['lang_query_get'])//we will not be able to get language from referrer query
) {
// :( now we have to make unpretty URLs
qtranxf_add_query_arg($urlinfo['query'],'lang='.$lang);
}
// & workaround
if(isset($urlinfo['query_amp'])){
$urlinfo['query'] = str_replace('&','&',$urlinfo['query']);
}
return $urlinfo;
}
function qtranxf_get_url_for_language($url, $lang, $showLanguage=true) {
global $q_config;
static $url_cache=array();
//qtranxf_dbg_log('qtranxf_get_url_for_language: $url_cache:',$url_cache);
if(!isset($url_cache[$url])) $url_cache[$url] = array();
$urlinfo = &$url_cache[$url];
//$urlinfo = apply_filters('qtranslate_url_for_language_pre', $urlinfo, $url, $lang, $showLanguage);
if($showLanguage){
if(isset($urlinfo[$lang])){
//qtranxf_dbg_log('qtranxf_get_url_for_language: cached: lang='.$lang.': ',$urlinfo);
return $urlinfo[$lang];
}
}else{
if(isset($urlinfo['bare'])){
//qtranxf_dbg_log('qtranxf_get_url_for_language: cached: bare: ',$urlinfo);
return $urlinfo['bare'];
}
}
if(isset($urlinfo['language_neutral'])){
//qtranxf_dbg_log('qtranxf_get_url_for_language: cached: language_neutral: ',$urlinfo);
return $urlinfo['language_neutral'];
}
$homeinfo = qtranxf_get_home_info();
if(!isset($urlinfo['url_parsed'])){
if(empty($url)){
$urlinfo = qtranxf_copy_url_info($q_config['url_info']);
if( isset($urlinfo['wp-path']) && qtranxf_language_neutral_path($urlinfo['wp-path']) ){
//qtranxf_dbg_log('qtranxf_get_url_for_language: language_neutral: wp-path: url='.$url.':',$urlinfo);
$complete = qtranxf_buildURL($urlinfo,$homeinfo);
if(!isset($url_cache[$complete])) $url_cache[$complete] = $urlinfo;
$urlinfo['language_neutral'] = $complete;
return $complete;
}
}
else{
$urlinfo = qtranxf_get_url_info($url);
// check if it's an external link
if(!isset($urlinfo['wp-path'])){
$urlinfo['language_neutral'] = $url;
//qtranxf_dbg_log('qtranxf_get_url_for_language: language_neutral: external path: ',$urlinfo);
return $url;
}
if(empty($urlinfo['host'])){
if(empty($urlinfo['wp-path'])){
if(empty($urlinfo['query']) ){
$urlinfo['language_neutral'] = $url;
//qtranxf_dbg_log('qtranxf_get_url_for_language: language_neutral: relative path: ',$urlinfo);
return $url;
}
}else{
switch($urlinfo['wp-path'][0]){
case '/': break;
case '#': {
$urlinfo['language_neutral'] = $url;
//qtranxf_dbg_log('qtranxf_get_url_for_language: language_neutral: relative hash: ',$urlinfo);
return $url;
}
default: $urlinfo['wp-path'] = trailingslashit($q_config['url_info']['wp-path']).$urlinfo['wp-path']; break;
}
}
}elseif(qtranxf_external_host_ex($urlinfo['host'],$homeinfo)){
$urlinfo['language_neutral'] = $url;
//qtranxf_dbg_log('qtranxf_get_url_for_language: language_neutral: external host: ',$urlinfo);
return $url;
}
if(qtranxf_language_neutral_path($urlinfo['wp-path'])){
$urlinfo['language_neutral'] = $url;
//qtranxf_dbg_log('qtranxf_get_url_for_language: language_neutral: wp-path: ',$urlinfo);
return $url;
}
qtranxf_url_del_language($urlinfo);
}
$urlinfo['url_parsed'] = $url;
}
$urlinfo_lang = qtranxf_url_set_language($urlinfo,$lang,$showLanguage);
$complete = qtranxf_buildURL($urlinfo_lang,$homeinfo);
//$complete = apply_filters('qtranslate_url_for_language',$complete,$lang,$urlinfo_lang,$homeinfo);
if($showLanguage){
$urlinfo[$lang] = $complete;
}else{
$urlinfo['bare'] = $complete;
}
if(!isset($url_cache[$complete])) $url_cache[$complete] = $urlinfo;
//qtranxf_dbg_log('done: qtranxf_get_url_for_language('.$lang.($showLanguage?', true':', false').'): $urlinfo=',$urlinfo,false);
return $complete;
}
/**
* Encode URL $url with language $lang.
* @param (string) $url URL to be converted.
* @param (string) $lang two-letter language code of the language to convert $url to.
* @param (bool) $forceadmin $url is not converted on admin side, unless $forceadmin is set to true.
* @param (bool) $showDefaultLanguage When set to true, $url is always encoded with a language, otherwise it senses option "Hide URL language information for default language" to keep $url consistent with the currently active language.
*
* If you need a URL to switch the language, set $showDefaultLanguage=true, if you need a URL to keep the current language, set it to false.
*/
function qtranxf_convertURL($url='', $lang='', $forceadmin = false, $showDefaultLanguage = false) {
global $q_config;
if(empty($lang)) $lang = $q_config['language'];
if(empty($url)){
if( $q_config['url_info']['doing_front_end'] && defined('QTS_VERSION') && $q_config['url_mode'] != QTX_URL_QUERY){
//quick workaround, but need a permanent solution
$url = qts_get_url($lang);
//qtranxf_dbg_log('qtranxf_convertURL: qts_get_url: url=', $url);
if(!empty($url)){
if($showDefaultLanguage && $q_config['hide_default_language'] && $lang==$q_config['default_language'])
$url=qtranxf_convertURL($url,$lang,$forceadmin,true);
return $url;
}