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<?php |
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declare(strict_types=1); |
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namespace Shlinkio\Shlink\Rest\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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use Throwable; |
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use Zend\Diactoros\Response\JsonResponse; |
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use function Functional\reduce_left; |
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use function Shlinkio\Shlink\Common\json_decode; |
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use function strpos; |
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class BackwardsCompatibleProblemDetailsMiddleware implements MiddlewareInterface |
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{ |
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private const BACKWARDS_COMPATIBLE_FIELDS = [ |
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'error' => 'type', |
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'message' => 'detail', |
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]; |
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/** @var array */ |
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private $defaultTypeFallbacks; |
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/** @var int */ |
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private $jsonFlags; |
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public function __construct(array $defaultTypeFallbacks, int $jsonFlags) |
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{ |
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$this->defaultTypeFallbacks = $defaultTypeFallbacks; |
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$this->jsonFlags = $jsonFlags; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$resp = $handler->handle($request); |
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if ($resp->getHeaderLine('Content-type') !== 'application/problem+json') { |
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return $resp; |
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} |
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try { |
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$body = (string) $resp->getBody(); |
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$payload = json_decode($body); |
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} catch (Throwable $e) { |
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return $resp; |
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} |
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$payload = $this->mapStandardErrorTypes($payload, $resp->getStatusCode()); |
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if ($this->isVersionOne($request)) { |
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$payload = $this->makePayloadBackwardsCompatible($payload); |
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} |
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return new JsonResponse($payload, $resp->getStatusCode(), $resp->getHeaders(), $this->jsonFlags); |
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} |
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private function mapStandardErrorTypes(array $payload, int $respStatusCode): array |
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{ |
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$type = $payload['type'] ?? ''; |
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if (strpos($type, 'https://httpstatus.es') === 0) { |
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$payload['type'] = $this->defaultTypeFallbacks[$respStatusCode] ?? $type; |
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} |
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return $payload; |
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} |
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/** @deprecated When Shlink 2 is released, do not chekc the version */ |
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private function isVersionOne(ServerRequestInterface $request): bool |
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{ |
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$path = $request->getUri()->getPath(); |
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return strpos($path, '/v') === false || strpos($path, '/v1') === 0; |
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} |
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/** @deprecated When Shlink v2 is released, do not map old fields */ |
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2 |
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private function makePayloadBackwardsCompatible(array $payload): array |
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{ |
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return reduce_left(self::BACKWARDS_COMPATIBLE_FIELDS, function (string $newKey, string $oldKey, $c, $acc) { |
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$acc[$oldKey] = $acc[$newKey]; |
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return $acc; |
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}, $payload); |
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} |
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} |
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shlinkio /
shlink
Loading history...
This function has been deprecated. The supplier of the function has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the function will be removed and what other function to use instead.