added exception check

This set snappy language same is cloud language

--- PageController.php	2023-11-29 00:29:13

+++ PageController-new.php	2023-11-29 00:40:50

+++ PageController-new.php	2023-12-06 10:37:52

@@ -12,11 +12,11 @@

 class PageController extends Controller

 		$lang = \strtolower(\str_replace('_', '-', $l->getLocaleCode()));

 		if (empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {

 			$_SERVER['HTTP_ACCEPT_LANGUAGE'] = $lang;

@@ -69,8 +69,20 @@

@@ -69,8 +69,23 @@

 		$oServiceActions = new \RainLoop\ServiceActions($oHttp, $oActions);

 		$sAppJsMin = $oConfig->Get('debug', 'javascript', false) ? '' : '.min';

 		$sAppCssMin = $oConfig->Get('debug', 'css', false) ? '' : '.min';

+		$languageSetting = (bool) $oConfig->Get('webmail', 'allow_languages_on_settings', true);

+		if (!$languageSetting) {

+			$aResultLang = \json_decode(\file_get_contents(APP_VERSION_ROOT_PATH . 'app/localization/langs.json'), true);

+			if ($aResultLang === null) {

+				throw new \Exception('Error decoding JSON content.');

+			}

+			$localeCode = \strtolower(\str_replace('_', '-', $this->l->getLocaleCode()));

+			if (!strpos($localeCode, '_') && !strpos($localeCode, '-')) {

+				$localeCode = $localeCode . '-' . strtoupper($localeCode);

 		$csp = new ContentSecurityPolicy();

 		$sNonce = $csp->getSnappyMailNonce();