68 lines
1.7 KiB
PHP
68 lines
1.7 KiB
PHP
<?php
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$current_dir= basename (getcwd ());
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/*
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* Language registration
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*/
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$registered_languages= array();
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function register_lang ( $code, $lang ) {
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global $registered_languages;
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$registered_languages[$code]= $lang;
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}
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if ($current_dir == "htdocs")
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include ("languages.php");
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else
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include ("../languages.php");
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/*
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* Prefered language detection
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*/
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function prefered_language () {
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global $registered_languages;
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$locale= locale_accept_from_http ($_SERVER['HTTP_ACCEPT_LANGUAGE']);
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return locale_lookup (array_keys ($registered_languages), $locale, true, 'fr');
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}
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/*
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* URL translation
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*/
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function url_translate ($url, $to) {
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global $registered_languages;
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$current_dir= basename (getcwd ());
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if ($current_dir == "htdocs")
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$from= 'fr';
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else
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$from= $current_dir;
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$name= basename ($url);
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$index= array_search ($name, $registered_languages[$from]['pages']);
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if ($index === false)
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return $registered_languages[$to]['loc'];
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return $registered_languages[$to]['loc'] . $registered_languages[$to]['pages'][$index];
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}
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/*
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* Redirect to prefered language, if needed, when referer is none or ourself
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*/
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$server_names= array('expolibre.org', 'www.expolibre.org', 'libreexpo.org', 'www.libreexpo.org');
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if (!isset ($_SERVER['HTTP_REFERER']) or (
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strrpos ($_SERVER['HTTP_REFERER'], 'expolibre.org') === false and
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strrpos ($_SERVER['HTTP_REFERER'], 'libreexpo.org') === false)) {
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if ($current_dir == "htdocs")
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$current_dir= $registered_languages['fr']['loc'];
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$prefered_dir= $registered_languages[prefered_language ()]['loc'];
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if (basename($current_dir) != basename ($prefered_dir)) {
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header ("Location: " . url_translate ($_SERVER['REQUEST_URI'], prefered_language ()));
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exit ();
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}
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}
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?>
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