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<?php declare(strict_types=1); /** * @license Apache 2.0 */ namespace OpenApi\Annotations; use OpenApi\Analysis; use OpenApi\Generator; use OpenApi\Util; /** * This is the root document object for the API specification. * * @see [OAI OpenApi Object](https://github.com/OAI/OpenAPI-Specification/blob/OpenAPI.next/versions/3.0.md#openapi-object) * * @Annotation */ class OpenApi extends AbstractAnnotation { public const VERSION_3_0_0 = '3.0.0'; public const VERSION_3_1_0 = '3.1.0'; public const DEFAULT_VERSION = self::VERSION_3_0_0; public const SUPPORTED_VERSIONS = [self::VERSION_3_0_0, self::VERSION_3_1_0]; /** * The semantic version number of the OpenAPI Specification version that the OpenAPI document uses. * * The openapi field should be used by tooling specifications and clients to interpret the OpenAPI document. * * A version specified via `Generator::setVersion()` will overwrite this value. * * This is not related to the API info::version string. * * @var string */ public $openapi = self::DEFAULT_VERSION; /** * Provides metadata about the API. The metadata may be used by tooling as required. * * @var Info */ public $info = Generator::UNDEFINED; /** * An array of <code>@Server</code> objects, which provide connectivity information to a target server. * * If not provided, or is an empty array, the default value would be a Server Object with an url value of <code>/</code>. * * @var Server[] */ public $servers = Generator::UNDEFINED; /** * The available paths and operations for the API. * * @var PathItem[] */ public $paths = Generator::UNDEFINED; /** * An element to hold various components for the specification. * * @var Components */ public $components = Generator::UNDEFINED; /** * A declaration of which security mechanisms can be used across the API. * * The list of values includes alternative security requirement objects that can be used. * Only one of the security requirement objects need to be satisfied to authorize a request. * Individual operations can override this definition. * To make security optional, an empty security requirement `({})` can be included in the array. * * @var array */ public $security = Generator::UNDEFINED; /** * A list of tags used by the specification with additional metadata. * * The order of the tags can be used to reflect on their order by the parsing tools. * Not all tags that are used by the Operation Object must be declared. * The tags that are not declared may be organized randomly or based on the tools' logic. * Each tag name in the list must be unique. * * @var Tag[] */ public $tags = Generator::UNDEFINED; /** * Additional external documentation. * * @var ExternalDocumentation */ public $externalDocs = Generator::UNDEFINED; /** * The available webhooks for the API. * * @var Webhook[] */ public $webhooks = Generator::UNDEFINED; /** * @var Analysis */ public $_analysis = Generator::UNDEFINED; /** * @inheritdoc */ public static $_required = ['openapi', 'info']; /** * @inheritdoc */ public static $_nested = [ Info::class => 'info', Server::class => ['servers'], PathItem::class => ['paths', 'path'], Components::class => 'components', Tag::class => ['tags'], ExternalDocumentation::class => 'externalDocs', Webhook::class => ['webhooks', 'webhook'], Attachable::class => ['attachables'], ]; /** * @inheritdoc */ public static $_types = []; /** * @inheritdoc */ public function validate(array $stack = null, array $skip = null, string $ref = '', $context = null): bool { if ($stack !== null || $skip !== null || $ref !== '') { $this->_context->logger->warning('Nested validation for ' . $this->identity() . ' not allowed'); return false; } if (!in_array($this->openapi, self::SUPPORTED_VERSIONS)) { $this->_context->logger->warning('Unsupported OpenAPI version "' . $this->openapi . '". Allowed versions are: ' . implode(', ', self::SUPPORTED_VERSIONS)); return false; } /* paths is optional in 3.1.0 */ if ($this->openapi === self::VERSION_3_0_0 && Generator::isDefault($this->paths)) { $this->_context->logger->warning('Required @OA\PathItem() not found'); } if ($this->openapi === self::VERSION_3_1_0 && Generator::isDefault($this->paths) && Generator::isDefault($this->webhooks) && Generator::isDefault($this->components) ) { $this->_context->logger->warning("At least one of 'Required @OA\PathItem(), @OA\Components() or @OA\Webhook() not found'"); return false; } return parent::validate([], [], '#', new \stdClass()); } /** * Save the OpenAPI documentation to a file. */ public function saveAs(string $filename, string $format = 'auto'): void { if ($format === 'auto') { $format = strtolower(substr($filename, -5)) === '.json' ? 'json' : 'yaml'; } if (strtolower($format) === 'json') { $content = $this->toJson(); } else { $content = $this->toYaml(); } if (file_put_contents($filename, $content) === false) { throw new \Exception('Failed to saveAs("' . $filename . '", "' . $format . '")'); } } /** * Look up an annotation with a $ref url. * * @param string $ref The $ref value, for example: "#/components/schemas/Product" */ public function ref(string $ref) { if (substr($ref, 0, 2) !== '#/') { // @todo Add support for external (http) refs? throw new \Exception('Unsupported $ref "' . $ref . '", it should start with "#/"'); } return $this->resolveRef($ref, '#/', $this, []); } /** * Recursive helper for ref(). * * @param array|AbstractAnnotation $container */ private static function resolveRef(string $ref, string $resolved, $container, array $mapping) { if ($ref === $resolved) { return $container; } $path = substr($ref, strlen($resolved)); $slash = strpos($path, '/'); $subpath = $slash === false ? $path : substr($path, 0, $slash); $property = Util::refDecode($subpath); $unresolved = $slash === false ? $resolved . $subpath : $resolved . $subpath . '/'; if (is_object($container)) { if (property_exists($container, $property) === false) { throw new \Exception('$ref "' . $ref . '" not found'); } if ($slash === false) { return $container->{$property}; } $mapping = []; if ($container instanceof AbstractAnnotation) { foreach ($container::$_nested as $nestedClass => $nested) { if (is_string($nested) === false && count($nested) === 2 && $nested[0] === $property) { $mapping[$nestedClass] = $nested[1]; } } } return self::resolveRef($ref, $unresolved, $container->{$property}, $mapping); } elseif (is_array($container)) { if (array_key_exists($property, $container)) { return self::resolveRef($ref, $unresolved, $container[$property], []); } foreach ($mapping as $nestedClass => $keyField) { foreach ($container as $key => $item) { if (is_numeric($key) && is_object($item) && $item instanceof $nestedClass && (string) $item->{$keyField} === $property) { return self::resolveRef($ref, $unresolved, $item, []); } } } } throw new \Exception('$ref "' . $unresolved . '" not found'); } /** * @inheritdoc */ #[\ReturnTypeWillChange] public function jsonSerialize() { $data = parent::jsonSerialize(); if (false === $this->_context->isVersion(OpenApi::VERSION_3_1_0)) { unset($data->webhooks); } return $data; } }