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<?php |
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/** |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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* |
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* @see https://github.com/ecphp |
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*/ |
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declare(strict_types=1); |
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namespace EcPhp\ReverseProxyHelperBundle\Service; |
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use InvalidArgumentException; |
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use Symfony\Component\HttpFoundation\Request; |
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use function array_key_exists; |
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use const FILTER_VALIDATE_URL; |
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final class RequestHeadersAlter implements RequestAlterInterface |
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{ |
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/** |
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* @var array<mixed> |
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*/ |
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private $parameters; |
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/** |
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* @param array<mixed> $parameters |
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*/ |
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public function __construct(array $parameters) |
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{ |
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$this->parameters = $parameters; |
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} |
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public function alter(Request $request): Request |
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{ |
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$parsed = parse_url($this->parameters['base_url']); |
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if (false === $parsed) { |
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throw new InvalidArgumentException('Unable to parse the provided URL.'); |
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} |
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if (false === array_key_exists('host', $parsed)) { |
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return $request; |
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} |
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if (false === filter_var($this->parameters['base_url'], FILTER_VALIDATE_URL)) { |
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return $request; |
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} |
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$request |
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->headers |
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->add( |
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array_map( |
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static function (string $key) use ($parsed): string { |
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return (string) $parsed[$key]; |
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}, |
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array_filter( |
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[ |
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'X-Forwarded-Host' => 'host', |
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'X-Forwarded-Proto' => 'scheme', |
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'X-Forwarded-Port' => 'port', |
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'X-Forwarded-Prefix' => 'path', |
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], |
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static function (string $key) use ($parsed): bool { |
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return array_key_exists($key, $parsed); |
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} |
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) |
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) |
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); |
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return $request; |
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} |
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} |
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ecphp /
reverse-proxy-helper-bundle
