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<?php |
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namespace Yiisoft\Yii\Web\Middleware; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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class BasicNetworkResolver implements MiddlewareInterface |
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{ |
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private const DEFAULT_PROTOCOL_AND_ACCEPTABLE_VALUES = [ |
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'http' => ['http'], |
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'https' => ['https', 'on'], |
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]; |
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private $protocolHeaders = []; |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$newScheme = null; |
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foreach ($this->protocolHeaders as $header => $data) { |
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if (!$request->hasHeader($header)) { |
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1 |
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continue; |
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} |
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$headerValues = $request->getHeader($header); |
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if (is_callable($data)) { |
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$newScheme = call_user_func($data, $headerValues, $header, $request); |
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if ($newScheme === null) { |
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continue; |
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1 |
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} elseif (!is_string($newScheme)) { |
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throw new \RuntimeException('The scheme is neither string nor null!'); |
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} elseif (strlen($newScheme) === 0) { |
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throw new \RuntimeException('The scheme cannot be an empty string!'); |
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} |
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break; |
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} |
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$headerValue = strtolower($headerValues[0]); |
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foreach ($data as $protocol => $acceptedValues) { |
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if (!in_array($headerValue, $acceptedValues)) { |
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continue; |
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} |
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$newScheme = $protocol; |
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break 2; |
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} |
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} |
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$uri = $request->getUri(); |
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if ($newScheme !== null && $newScheme !== $uri->getScheme()) { |
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$request = $request->withUri($uri->withScheme($newScheme)); |
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} |
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return $handler->handle($request); |
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} |
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/** |
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* @TODO: documentation |
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* @param callable|array|null $protocolAndAcceptedValues |
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* @return static |
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*/ |
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public function withProtocolHeader(string $header, $protocolAndAcceptedValues = null) |
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{ |
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$new = clone $this; |
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$header = strtolower($header); |
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if ($protocolAndAcceptedValues === null) { |
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$new->protocolHeaders[$header] = self::DEFAULT_PROTOCOL_AND_ACCEPTABLE_VALUES; |
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} elseif (is_callable($protocolAndAcceptedValues)) { |
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$new->protocolHeaders[$header] = $protocolAndAcceptedValues; |
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} elseif (!is_array($protocolAndAcceptedValues)) { |
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throw new \RuntimeException('$protocolAndAcceptedValues is not array nor callable!'); |
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} elseif (is_array($protocolAndAcceptedValues) && count($protocolAndAcceptedValues) === 0) { |
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throw new \RuntimeException('$protocolAndAcceptedValues cannot be an empty array!'); |
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} else { |
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$new->protocolHeaders[$header] = []; |
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foreach ($protocolAndAcceptedValues as $protocol => $acceptedValues) { |
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if (!is_string($protocol)) { |
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throw new \RuntimeException('The protocol must be type of string!'); |
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} |
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$new->protocolHeaders[$header][$protocol] = array_map('strtolower', (array)$acceptedValues); |
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} |
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} |
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return $new; |
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} |
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/** |
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* @return static |
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*/ |
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2 |
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public function withoutProtocolHeader(string $header) |
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{ |
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$new = clone $this; |
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unset($new->protocolHeaders[strtolower($header)]); |
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return $new; |
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} |
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/** |
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* @return static |
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*/ |
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2 |
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public function withoutProtocolHeaders(?array $headers = null) |
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{ |
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2 |
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$new = clone $this; |
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2 |
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if ($headers === null) { |
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1 |
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$new->protocolHeaders = []; |
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} else { |
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1 |
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foreach ($headers as $header) { |
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1 |
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$new = $new->withoutProtocolHeader($header); |
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} |
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} |
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2 |
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return $new; |
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} |
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} |
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yiisoft /
yii-web
