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<?php |
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declare(strict_types = 1); |
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/** |
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* Copyright 2015 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupSelfService\SelfServiceBundle\Locale; |
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use Surfnet\StepupSelfService\SelfServiceBundle\Exception\InvalidArgumentException; |
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use Surfnet\StepupSelfService\SelfServiceBundle\Locale\PreferredLocaleProvider; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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/** |
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* Fetches the client's preferred locale from the request (specifically from the Accept header), falling back to a |
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* default locale if no preferred locale can be determined. |
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*/ |
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final class RequestStackLocaleProvider implements PreferredLocaleProvider |
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{ |
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private readonly string $defaultLocale; |
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/** |
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* @var string[] |
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*/ |
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private $supportedLocales; |
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/** |
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* @param string $defaultLocale |
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* @param string[] $supportedLocales |
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*/ |
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public function __construct( |
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private readonly RequestStack $requestStack, |
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$defaultLocale, |
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$supportedLocales |
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) { |
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if (!is_string($defaultLocale)) { |
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throw InvalidArgumentException::invalidType('string', 'defaultLocale', $defaultLocale); |
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} |
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foreach ($supportedLocales as $key => $supportedLocale) { |
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if (!is_string($supportedLocale)) { |
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$parameterName = sprintf('supportedLocales[%s]', $key); |
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throw InvalidArgumentException::invalidType('string', $parameterName, $supportedLocale); |
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} |
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} |
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$this->defaultLocale = $defaultLocale; |
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$this->supportedLocales = $supportedLocales; |
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} |
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public function providePreferredLocale(): string |
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{ |
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$preferredLocale = $this->requestStack->getCurrentRequest()->getPreferredLanguage($this->supportedLocales); |
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if (!$preferredLocale) { |
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return $this->defaultLocale; |
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} |
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return $preferredLocale; |
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} |
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} |
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OpenConext /
Stepup-SelfService
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