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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Flight Routing. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Flight\Routing; |
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use Flight\Routing\Interfaces\PublisherInterface; |
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use Laminas\HttpHandlerRunner\Emitter\EmitterInterface; |
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use LogicException; |
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use Psr\Http\Message\ResponseInterface as PsrResponseInterface; |
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use Psr\Http\Message\StreamInterface; |
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/** |
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* Class StreamPublisher. |
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* StreamPublisher publishes the given response. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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class Publisher implements PublisherInterface |
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{ |
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/** |
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* {@inheritdoc} |
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* |
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* @throws LogicException |
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*/ |
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public function publish($content, ?EmitterInterface $emitter): bool |
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{ |
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try { |
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if (null !== $emitter && $content instanceof PsrResponseInterface) { |
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return $emitter->emit($content); |
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} |
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if (null === $emitter && $content instanceof PsrResponseInterface) { |
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$this->emitResponseHeaders($content); |
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$content = $content->getBody(); |
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} |
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\flush(); |
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if ($content instanceof StreamInterface) { |
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return $this->emitStreamBody($content); |
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} |
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} finally { |
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if (\function_exists('fastcgi_finish_request')) { |
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fastcgi_finish_request(); |
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} |
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} |
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throw new LogicException('The response body must be instance of PsrResponseInterface or StreamInterface'); |
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} |
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/** |
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* Emit the message body. |
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* |
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* @param StreamInterface $body |
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* |
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* @return bool |
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*/ |
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private function emitStreamBody(StreamInterface $body): bool |
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{ |
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if ($body->isSeekable()) { |
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$body->rewind(); |
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} |
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if (!$body->isReadable()) { |
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echo $body; |
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return true; |
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} |
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while (!$body->eof()) { |
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echo $body->read(8192); |
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} |
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return true; |
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} |
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/** |
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* Emit the response header. |
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* |
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* @param PsrResponseInterface $response |
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*/ |
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private function emitResponseHeaders(PsrResponseInterface $response): void |
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{ |
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$statusCode = $response->getStatusCode(); |
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foreach ($response->getHeaders() as $name => $values) { |
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$name = \ucwords($name, '-'); // Filter a header name to wordcase |
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$first = $name !== 'Set-Cookie'; |
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foreach ($values as $value) { |
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\header(\sprintf('%s: %s', $name, $value), $first, $statusCode); |
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$first = false; |
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} |
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} |
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} |
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} |
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divineniiquaye /
flight-routing
