1 <?php namespace BookStack\Http\Middleware;
5 use Illuminate\Http\Request;
11 * Array of right-to-left locales
13 protected $rtlLocales = ['ar', 'he'];
16 * Map of BookStack locale names to best-estimate system locale names.
18 protected $localeMap = [
25 'de_informal' => 'de_DE',
53 * Handle an incoming request.
55 * @param \Illuminate\Http\Request $request
56 * @param \Closure $next
59 public function handle($request, Closure $next)
61 $defaultLang = config('app.locale');
62 config()->set('app.default_locale', $defaultLang);
64 $locale = $this->getUserLocale($request, $defaultLang);
65 config()->set('app.lang', str_replace('_', '-', $this->getLocaleIso($locale)));
68 if (in_array($locale, $this->rtlLocales)) {
69 config()->set('app.rtl', true);
72 app()->setLocale($locale);
73 Carbon::setLocale($locale);
74 $this->setSystemDateLocale($locale);
75 return $next($request);
79 * Get the locale specifically for the currently logged in user if available.
81 protected function getUserLocale(Request $request, string $default): string
85 } catch (\Exception $exception) {
89 if ($user->isDefault() && config('app.auto_detect_locale')) {
90 return $this->autoDetectLocale($request, $default);
93 return setting()->getUser($user, 'language', $default);
97 * Autodetect the visitors locale by matching locales in their headers
98 * against the locales supported by BookStack.
100 protected function autoDetectLocale(Request $request, string $default): string
102 $availableLocales = config('app.locales');
103 foreach ($request->getLanguages() as $lang) {
104 if (in_array($lang, $availableLocales)) {
112 * Get the ISO version of a BookStack language name
114 public function getLocaleIso(string $locale): string
116 return $this->localeMap[$locale] ?? $locale;
120 * Set the system date locale for localized date formatting.
121 * Will try both the standard locale name and the UTF8 variant.
123 protected function setSystemDateLocale(string $locale)
125 $systemLocale = $this->getLocaleIso($locale);
126 $set = setlocale(LC_TIME, $systemLocale);
127 if ($set === false) {
128 setlocale(LC_TIME, $systemLocale . '.utf8');