122 lines
3.2 KiB
PHP
122 lines
3.2 KiB
PHP
<?php namespace BookStack\Http\Middleware;
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use Carbon\Carbon;
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use Closure;
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use Illuminate\Http\Request;
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class Localization
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{
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/**
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* Array of right-to-left locales
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* @var array
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*/
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protected $rtlLocales = ['ar', 'he'];
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/**
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* Map of BookStack locale names to best-estimate system locale names.
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* @var array
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*/
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protected $localeMap = [
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'ar' => 'ar',
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'bg' => 'bg_BG',
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'da' => 'da_DK',
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'de' => 'de_DE',
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'de_informal' => 'de_DE',
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'en' => 'en_GB',
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'es' => 'es_ES',
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'es_AR' => 'es_AR',
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'fr' => 'fr_FR',
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'he' => 'he_IL',
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'it' => 'it_IT',
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'ja' => 'ja',
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'ko' => 'ko_KR',
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'nl' => 'nl_NL',
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'pl' => 'pl_PL',
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'pt' => 'pl_PT',
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'pt_BR' => 'pt_BR',
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'ru' => 'ru',
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'sk' => 'sk_SK',
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'sl' => 'sl_SI',
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'sv' => 'sv_SE',
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'uk' => 'uk_UA',
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'vi' => 'vi_VN',
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'zh_CN' => 'zh_CN',
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'zh_TW' => 'zh_TW',
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'tr' => 'tr_TR',
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];
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/**
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* Handle an incoming request.
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*
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* @param \Illuminate\Http\Request $request
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* @param \Closure $next
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* @return mixed
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*/
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public function handle($request, Closure $next)
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{
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$defaultLang = config('app.locale');
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config()->set('app.default_locale', $defaultLang);
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if (user()->isDefault() && config('app.auto_detect_locale')) {
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$locale = $this->autoDetectLocale($request, $defaultLang);
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} else {
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$locale = setting()->getUser(user(), 'language', $defaultLang);
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}
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config()->set('app.lang', str_replace('_', '-', $this->getLocaleIso($locale)));
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// Set text direction
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if (in_array($locale, $this->rtlLocales)) {
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config()->set('app.rtl', true);
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}
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app()->setLocale($locale);
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Carbon::setLocale($locale);
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$this->setSystemDateLocale($locale);
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return $next($request);
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}
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/**
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* Autodetect the visitors locale by matching locales in their headers
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* against the locales supported by BookStack.
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* @param Request $request
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* @param string $default
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* @return string
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*/
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protected function autoDetectLocale(Request $request, string $default)
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{
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$availableLocales = config('app.locales');
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foreach ($request->getLanguages() as $lang) {
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if (in_array($lang, $availableLocales)) {
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return $lang;
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}
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}
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return $default;
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}
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/**
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* Get the ISO version of a BookStack language name
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* @param string $locale
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* @return string
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*/
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public function getLocaleIso(string $locale)
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{
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return $this->localeMap[$locale] ?? $locale;
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}
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/**
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* Set the system date locale for localized date formatting.
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* Will try both the standard locale name and the UTF8 variant.
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* @param string $locale
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*/
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protected function setSystemDateLocale(string $locale)
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{
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$systemLocale = $this->getLocaleIso($locale);
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$set = setlocale(LC_TIME, $systemLocale);
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if ($set === false) {
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setlocale(LC_TIME, $systemLocale . '.utf8');
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}
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}
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}
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