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[bookstack] / app / Http / Middleware / Localization.php

diff --git a/app/Http/Middleware/Localization.php b/app/Http/Middleware/Localization.php
index 528ff40478dbeb92f436ee747b0cb9f07b9071d8..b29bbe4b3c60491acf2e2e7e1e1eb64c4fc56dec 100644 (file)
--- a/app/Http/Middleware/Localization.php
+++ b/app/Http/Middleware/Localization.php
@@ -1,4 +1,6 @@
-<?php namespace BookStack\Http\Middleware;
+<?php
+
+namespace BookStack\Http\Middleware;
 
 use Carbon\Carbon;
 use Closure;
@@ -6,25 +8,64 @@ use Illuminate\Http\Request;
 
 class Localization
 {
+    /**
+     * Array of right-to-left locales.
+     */
+    protected $rtlLocales = ['ar', 'he'];
 
-    protected $rtlLocales = ['ar'];
+    /**
+     * Map of BookStack locale names to best-estimate system locale names.
+     */
+    protected $localeMap = [
+        'ar'          => 'ar',
+        'bg'          => 'bg_BG',
+        'bs'          => 'bs_BA',
+        'ca'          => 'ca',
+        'da'          => 'da_DK',
+        'de'          => 'de_DE',
+        'de_informal' => 'de_DE',
+        'en'          => 'en_GB',
+        'es'          => 'es_ES',
+        'es_AR'       => 'es_AR',
+        'fr'          => 'fr_FR',
+        'he'          => 'he_IL',
+        'hr'          => 'hr_HR',
+        'id'          => 'id_ID',
+        'it'          => 'it_IT',
+        'ja'          => 'ja',
+        'ko'          => 'ko_KR',
+        'lv'          => 'lv_LV',
+        'nl'          => 'nl_NL',
+        'nb'          => 'nb_NO',
+        'pl'          => 'pl_PL',
+        'pt'          => 'pt_PT',
+        'pt_BR'       => 'pt_BR',
+        'ru'          => 'ru',
+        'sk'          => 'sk_SK',
+        'sl'          => 'sl_SI',
+        'sv'          => 'sv_SE',
+        'uk'          => 'uk_UA',
+        'vi'          => 'vi_VN',
+        'zh_CN'       => 'zh_CN',
+        'zh_TW'       => 'zh_TW',
+        'tr'          => 'tr_TR',
+    ];
 
     /**
      * Handle an incoming request.
      *
-     * @param  \Illuminate\Http\Request  $request
-     * @param  \Closure  $next
+     * @param \Illuminate\Http\Request $request
+     * @param \Closure                 $next
+     *
      * @return mixed
      */
     public function handle($request, Closure $next)
     {
         $defaultLang = config('app.locale');
+        config()->set('app.default_locale', $defaultLang);
 
-        if (user()->isDefault() && config('app.auto_detect_locale')) {
-            $locale = $this->autoDetectLocale($request, $defaultLang);
-        } else {
-            $locale = setting()->getUser(user(), 'language', $defaultLang);
-        }
+        $locale = $this->getUserLocale($request, $defaultLang);
+        config()->set('app.lang', str_replace('_', '-', $this->getLocaleIso($locale)));
 
         // Set text direction
         if (in_array($locale, $this->rtlLocales)) {
@@ -33,17 +74,34 @@ class Localization
 
         app()->setLocale($locale);
         Carbon::setLocale($locale);
+        $this->setSystemDateLocale($locale);
+
         return $next($request);
     }
 
+    /**
+     * Get the locale specifically for the currently logged in user if available.
+     */
+    protected function getUserLocale(Request $request, string $default): string
+    {
+        try {
+            $user = user();
+        } catch (\Exception $exception) {
+            return $default;
+        }
+
+        if ($user->isDefault() && config('app.auto_detect_locale')) {
+            return $this->autoDetectLocale($request, $default);
+        }
+
+        return setting()->getUser($user, 'language', $default);
+    }
+
     /**
      * Autodetect the visitors locale by matching locales in their headers
      * against the locales supported by BookStack.
-     * @param Request $request
-     * @param string $default
-     * @return string
      */
-    protected function autoDetectLocale(Request $request, string $default)
+    protected function autoDetectLocale(Request $request, string $default): string
     {
         $availableLocales = config('app.locales');
         foreach ($request->getLanguages() as $lang) {
@@ -51,6 +109,28 @@ class Localization
                 return $lang;
             }
         }
+
         return $default;
     }
+
+    /**
+     * Get the ISO version of a BookStack language name.
+     */
+    public function getLocaleIso(string $locale): string
+    {
+        return $this->localeMap[$locale] ?? $locale;
+    }
+
+    /**
+     * Set the system date locale for localized date formatting.
+     * Will try both the standard locale name and the UTF8 variant.
+     */
+    protected function setSystemDateLocale(string $locale)
+    {
+        $systemLocale = $this->getLocaleIso($locale);
+        $set = setlocale(LC_TIME, $systemLocale);
+        if ($set === false) {
+            setlocale(LC_TIME, $systemLocale . '.utf8');
+        }
+    }
 }