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',
54 * Handle an incoming request.
56 * @param \Illuminate\Http\Request $request
57 * @param \Closure $next
60 public function handle($request, Closure $next)
62 $defaultLang = config('app.locale');
63 config()->set('app.default_locale', $defaultLang);
65 $locale = $this->getUserLocale($request, $defaultLang);
66 config()->set('app.lang', str_replace('_', '-', $this->getLocaleIso($locale)));
69 if (in_array($locale, $this->rtlLocales)) {
70 config()->set('app.rtl', true);
73 app()->setLocale($locale);
74 Carbon::setLocale($locale);
75 $this->setSystemDateLocale($locale);
76 return $next($request);
80 * Get the locale specifically for the currently logged in user if available.
82 protected function getUserLocale(Request $request, string $default): string
86 } catch (\Exception $exception) {
90 if ($user->isDefault() && config('app.auto_detect_locale')) {
91 return $this->autoDetectLocale($request, $default);
94 return setting()->getUser($user, 'language', $default);
98 * Autodetect the visitors locale by matching locales in their headers
99 * against the locales supported by BookStack.
101 protected function autoDetectLocale(Request $request, string $default): string
103 $availableLocales = config('app.locales');
104 foreach ($request->getLanguages() as $lang) {
105 if (in_array($lang, $availableLocales)) {
113 * Get the ISO version of a BookStack language name
115 public function getLocaleIso(string $locale): string
117 return $this->localeMap[$locale] ?? $locale;
121 * Set the system date locale for localized date formatting.
122 * Will try both the standard locale name and the UTF8 variant.
124 protected function setSystemDateLocale(string $locale)
126 $systemLocale = $this->getLocaleIso($locale);
127 $set = setlocale(LC_TIME, $systemLocale);
128 if ($set === false) {
129 setlocale(LC_TIME, $systemLocale . '.utf8');