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<?php declare(strict_types=1); |
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namespace WyriHaximus\React\Http\Middleware; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use function React\Promise\resolve; |
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final class WithRandomHeadersMiddleware |
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{ |
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private $headers = []; |
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private $minimum = 2; |
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private $maximum = 2; |
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/** |
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* @param array $headers |
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*/ |
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public function __construct(array $headers, int $minimum = 2, int $maximum = 2) |
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{ |
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$this->headers = $headers; |
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$this->minimum = $minimum; |
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$this->maximum = $maximum; |
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$headersCount = count($headers); |
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if ($this->minimum > $headersCount) { |
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$this->minimum = $headersCount; |
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} |
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if ($this->maximum > $headersCount) { |
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$this->maximum = $headersCount; |
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} |
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if ($this->maximum < $this->minimum) { |
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$this->maximum = $this->minimum; |
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} |
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} |
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public function __invoke(ServerRequestInterface $request, callable $next) |
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{ |
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return resolve($next($request))->then(function (ResponseInterface $response) { |
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$count = random_int($this->minimum, $this->maximum); |
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$headers = $this->headers; |
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for ($i = 0; $i < $count; $i++) { |
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$randomizer = array_keys($headers); |
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$header = $randomizer[random_int(0, count($headers) - 1)]; |
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$response = $response->withHeader($header, $headers[$header]); |
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unset($headers[$header]); |
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} |
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return resolve($response); |
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}); |
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} |
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} |
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WyriHaximus /
reactphp-http-middleware-with-headers
