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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\ServerRequestInterface; |
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use function React\Promise\reject; |
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use function RingCentral\Psr7\stream_for; |
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final class CustomRequestBodyParsers |
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{ |
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/** |
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* @var array |
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*/ |
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private $types = []; |
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public function __construct() |
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{ |
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/** |
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* Via: https://github.com/reactphp/http/pull/220#discussion_r140863176. |
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*/ |
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$this->addType('application/json', function (ServerRequestInterface $request) { |
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$body = (string)$request->getBody(); |
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$result = \json_decode($body, true); |
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if (!\is_array($result)) { |
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return $request; |
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} |
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return $request->withParsedBody($result)->withBody(stream_for($body)); |
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}); |
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/** |
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* Via: https://github.com/reactphp/http/pull/220#discussion_r140863176. |
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*/ |
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$xmlParser = function (ServerRequestInterface $request) { |
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$body = (string)$request->getBody(); |
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$backup = \libxml_disable_entity_loader(true); |
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$backup_errors = \libxml_use_internal_errors(true); |
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$result = \simplexml_load_string($body); |
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\libxml_disable_entity_loader($backup); |
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\libxml_clear_errors(); |
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\libxml_use_internal_errors($backup_errors); |
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if ($result === false) { |
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return $request; |
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} |
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return $request->withParsedBody($result)->withBody(stream_for($body)); |
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}; |
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$this->addType('application/xml', $xmlParser); |
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$this->addType('text/xml', $xmlParser); |
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} |
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public function __invoke(ServerRequestInterface $request, $next) |
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{ |
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$type = \strtolower($request->getHeaderLine('Content-Type')); |
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list($type) = \explode(';', $type); |
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if (!isset($this->types[$type])) { |
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return $next($request); |
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} |
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try { |
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$parser = $this->types[$type]; |
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/** @var ServerRequestInterface $request */ |
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$request = $parser($request); |
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} catch (\Throwable $t) { |
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return reject($t); |
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} |
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return $next($request); |
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} |
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public function addType($type, $callback): void |
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{ |
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$this->types[$type] = $callback; |
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} |
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} |
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WyriHaximus /
reactphp-http-middleware-custom-request-body-parsers
