vendor/api-platform/core/src/Core/JsonSchema/SchemaFactory.php line 61

  1. <?php
  3. /*
  4.  * This file is part of the API Platform project.
  5.  *
  6.  * (c) Kévin Dunglas <dunglas@gmail.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. declare(strict_types=1);
  14. namespace ApiPlatform\Core\JsonSchema;
  16. use ApiPlatform\Api\ResourceClassResolverInterface;
  17. use ApiPlatform\Core\Api\OperationType;
  18. use ApiPlatform\Core\Metadata\Property\Factory\PropertyMetadataFactoryInterface as LegacyPropertyMetadataFactoryInterface;
  19. use ApiPlatform\Core\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface as LegacyPropertyNameCollectionFactoryInterface;
  20. use ApiPlatform\Core\Metadata\Property\PropertyMetadata;
  21. use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface;
  22. use ApiPlatform\Core\Metadata\Resource\ResourceMetadata;
  23. use ApiPlatform\Core\Swagger\Serializer\DocumentationNormalizer;
  24. use ApiPlatform\JsonSchema\TypeFactoryInterface;
  25. use ApiPlatform\Metadata\ApiProperty;
  26. use ApiPlatform\Metadata\HttpOperation;
  27. use ApiPlatform\Metadata\Property\Factory\PropertyMetadataFactoryInterface;
  28. use ApiPlatform\Metadata\Property\Factory\PropertyNameCollectionFactoryInterface;
  29. use ApiPlatform\Metadata\Resource\Factory\ResourceMetadataCollectionFactoryInterface;
  30. use ApiPlatform\Metadata\Resource\ResourceMetadataCollection;
  31. use ApiPlatform\OpenApi\Factory\OpenApiFactory;
  32. use ApiPlatform\Util\ResourceClassInfoTrait;
  33. use Symfony\Component\PropertyInfo\Type;
  34. use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
  35. use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
  37. /**
  38.  * @experimental
  39.  *
  40.  * @author Kévin Dunglas <dunglas@gmail.com>
  41.  */
  42. final class SchemaFactory implements SchemaFactoryInterface
  43. {
  44.     use ResourceClassInfoTrait;
  46.     private $typeFactory;
  47.     /**
  48.      * @var LegacyPropertyNameCollectionFactoryInterface|PropertyNameCollectionFactoryInterface
  49.      */
  50.     private $propertyNameCollectionFactory;
  51.     /**
  52.      * @var LegacyPropertyMetadataFactoryInterface|PropertyMetadataFactoryInterface
  53.      */
  54.     private $propertyMetadataFactory;
  55.     private $nameConverter;
  56.     private $distinctFormats = [];
  58.     /**
  59.      * @param TypeFactoryInterface $typeFactory
  60.      */
  61.     public function __construct($typeFactory, $resourceMetadataFactory, $propertyNameCollectionFactory, $propertyMetadataFactory, NameConverterInterface $nameConverter = null, ResourceClassResolverInterface $resourceClassResolver = null)
  62.     {
  63.         $this->typeFactory = $typeFactory;
  64.         if (!$resourceMetadataFactory instanceof ResourceMetadataCollectionFactoryInterface) {
  65.             trigger_deprecation('api-platform/core', '2.7', sprintf('Use "%s" instead of "%s".', ResourceMetadataCollectionFactoryInterface::class, ResourceMetadataFactoryInterface::class));
  66.         }
  67.         $this->resourceMetadataFactory = $resourceMetadataFactory;
  68.         $this->propertyNameCollectionFactory = $propertyNameCollectionFactory;
  69.         $this->propertyMetadataFactory = $propertyMetadataFactory;
  70.         $this->nameConverter = $nameConverter;
  71.         $this->resourceClassResolver = $resourceClassResolver;
  72.     }
  74.     /**
  75.      * When added to the list, the given format will lead to the creation of a new definition.
  76.      *
  77.      * @internal
  78.      */
  79.     public function addDistinctFormat(string $format): void
  80.     {
  81.         $this->distinctFormats[$format] = true;
  82.     }
  84.     public function buildSchema(string $className, string $format = 'json', string $type = Schema::TYPE_OUTPUT, string $operationType = null, string $operationName = null, Schema $schema = null, array $serializerContext = null, bool $forceCollection = false): Schema
  85.     {
  86.         $schema = $schema ? clone $schema : new Schema();
  87.         if (null === $metadata = $this->getMetadata($className, $type, $operationType, $operationName, $serializerContext)) {
  88.             return $schema;
  89.         }
  91.         [$resourceMetadata, $serializerContext, $validationGroups, $inputOrOutputClass] = $metadata;
  93.         if (null === $resourceMetadata && (null !== $operationType || null !== $operationName)) {
  94.             throw new \LogicException('The $operationType and $operationName arguments must be null for non-resource class.');
  95.         }
  97.         $operation = $resourceMetadata instanceof ResourceMetadataCollection ? $resourceMetadata->getOperation($operationName, OperationType::COLLECTION === $operationType) : null;
  99.         $version = $schema->getVersion();
  100.         $definitionName = $this->buildDefinitionName($className, $format, $inputOrOutputClass, $resourceMetadata instanceof ResourceMetadata ? $resourceMetadata : $operation, $serializerContext);
  102.         $method = $operation instanceof HttpOperation ? $operation->getMethod() : 'GET';
  103.         if (!$operation && (null === $operationType || null === $operationName)) {
  104.             $method = Schema::TYPE_INPUT === $type ? 'POST' : 'GET';
  105.         } elseif ($resourceMetadata instanceof ResourceMetadata) {
  106.             $method = $resourceMetadata->getTypedOperationAttribute($operationType, $operationName, 'method', 'GET');
  107.         }
  109.         if (Schema::TYPE_OUTPUT !== $type && !\in_array($method, ['POST', 'PATCH', 'PUT'], true)) {
  110.             return $schema;
  111.         }
  113.         if (!isset($schema['$ref']) && !isset($schema['type'])) {
  114.             $ref = Schema::VERSION_OPENAPI === $version ? '#/components/schemas/'.$definitionName : '#/definitions/'.$definitionName;
  116.             if ($forceCollection || (OperationType::COLLECTION === $operationType && 'POST' !== $method)) {
  117.                 $schema['type'] = 'array';
  118.                 $schema['items'] = ['$ref' => $ref];
  119.             } else {
  120.                 $schema['$ref'] = $ref;
  121.             }
  122.         }
  124.         $definitions = $schema->getDefinitions();
  125.         if (isset($definitions[$definitionName])) {
  126.             // Already computed
  127.             return $schema;
  128.         }
  130.         /** @var \ArrayObject<string, mixed> $definition */
  131.         $definition = new \ArrayObject(['type' => 'object']);
  132.         $definitions[$definitionName] = $definition;
  134.         if ($resourceMetadata instanceof ResourceMetadata) {
  135.             $definition['description'] = $resourceMetadata->getDescription() ?? '';
  136.         } else {
  137.             $definition['description'] = $operation ? ($operation->getDescription() ?? '') : '';
  138.         }
  140.         // additionalProperties are allowed by default, so it does not need to be set explicitly, unless allow_extra_attributes is false
  141.         // See https://json-schema.org/understanding-json-schema/reference/object.html#properties
  142.         if (false === ($serializerContext[AbstractNormalizer::ALLOW_EXTRA_ATTRIBUTES] ?? true)) {
  143.             $definition['additionalProperties'] = false;
  144.         }
  146.         // see https://github.com/json-schema-org/json-schema-spec/pull/737
  147.         if (
  148.             Schema::VERSION_SWAGGER !== $version
  149.         ) {
  150.             if (($resourceMetadata instanceof ResourceMetadata
  151.                     && ($operationType && $operationName ? $resourceMetadata->getTypedOperationAttribute($operationType, $operationName, 'deprecation_reason', null, true) : $resourceMetadata->getAttribute('deprecation_reason', null))
  152.             ) || ($operation && $operation->getDeprecationReason())
  153.             ) {
  154.                 $definition['deprecated'] = true;
  155.             }
  156.         }
  158.         // externalDocs is an OpenAPI specific extension, but JSON Schema allows additional keys, so we always add it
  159.         // See https://json-schema.org/latest/json-schema-core.html#rfc.section.6.4
  160.         if ($resourceMetadata instanceof ResourceMetadata && $resourceMetadata->getIri()) {
  161.             $definition['externalDocs'] = ['url' => $resourceMetadata->getIri()];
  162.         } elseif ($operation instanceof HttpOperation && ($operation->getTypes()[0] ?? null)) {
  163.             $definition['externalDocs'] = ['url' => $operation->getTypes()[0]];
  164.         }
  166.         // TODO: getFactoryOptions should be refactored because Item & Collection Operations don't exist anymore (API Platform 3.0)
  167.         $options = $this->getFactoryOptions($serializerContext, $validationGroups, $operationType, $operationName, $operation instanceof HttpOperation ? $operation : null);
  168.         foreach ($this->propertyNameCollectionFactory->create($inputOrOutputClass, $options) as $propertyName) {
  169.             $propertyMetadata = $this->propertyMetadataFactory->create($inputOrOutputClass, $propertyName, $options);
  170.             if (!$propertyMetadata->isReadable() && !$propertyMetadata->isWritable()) {
  171.                 continue;
  172.             }
  174.             $normalizedPropertyName = $this->nameConverter ? $this->nameConverter->normalize($propertyName, $inputOrOutputClass, $format, $serializerContext) : $propertyName;
  175.             if ($propertyMetadata->isRequired()) {
  176.                 $definition['required'][] = $normalizedPropertyName;
  177.             }
  179.             $this->buildPropertySchema($schema, $definitionName, $normalizedPropertyName, $propertyMetadata, $serializerContext, $format);
  180.         }
  182.         return $schema;
  183.     }
  185.     private function buildPropertySchema(Schema $schema, string $definitionName, string $normalizedPropertyName, $propertyMetadata, array $serializerContext, string $format): void
  186.     {
  187.         $version = $schema->getVersion();
  188.         $swagger = Schema::VERSION_SWAGGER === $version;
  189.         $propertySchema = $propertyMetadata->getSchema() ?? [];
  191.         if ($propertyMetadata instanceof ApiProperty) {
  192.             $additionalPropertySchema = $propertyMetadata->getOpenapiContext() ?? [];
  193.         } else {
  194.             switch ($version) {
  195.                 case Schema::VERSION_SWAGGER:
  196.                     $basePropertySchemaAttribute = 'swagger_context';
  197.                     break;
  198.                 case Schema::VERSION_OPENAPI:
  199.                     $basePropertySchemaAttribute = 'openapi_context';
  200.                     break;
  201.                 default:
  202.                     $basePropertySchemaAttribute = 'json_schema_context';
  203.             }
  205.             $additionalPropertySchema = $propertyMetadata->getAttributes()[$basePropertySchemaAttribute] ?? [];
  206.         }
  208.         $propertySchema = array_merge(
  209.             $propertySchema,
  210.             $additionalPropertySchema
  211.         );
  213.         if (false === $propertyMetadata->isWritable() && !$propertyMetadata->isInitializable()) {
  214.             $propertySchema['readOnly'] = true;
  215.         }
  216.         if (!$swagger && false === $propertyMetadata->isReadable()) {
  217.             $propertySchema['writeOnly'] = true;
  218.         }
  219.         if (null !== $description = $propertyMetadata->getDescription()) {
  220.             $propertySchema['description'] = $description;
  221.         }
  223.         $deprecationReason = $propertyMetadata instanceof PropertyMetadata ? $propertyMetadata->getAttribute('deprecation_reason') : $propertyMetadata->getDeprecationReason();
  225.         // see https://github.com/json-schema-org/json-schema-spec/pull/737
  226.         if (!$swagger && null !== $deprecationReason) {
  227.             $propertySchema['deprecated'] = true;
  228.         }
  229.         // externalDocs is an OpenAPI specific extension, but JSON Schema allows additional keys, so we always add it
  230.         // See https://json-schema.org/latest/json-schema-core.html#rfc.section.6.4
  231.         $iri = $propertyMetadata instanceof PropertyMetadata ? $propertyMetadata->getIri() : $propertyMetadata->getTypes()[0] ?? null;
  232.         if (null !== $iri) {
  233.             $propertySchema['externalDocs'] = ['url' => $iri];
  234.         }
  236.         if (!isset($propertySchema['default']) && !empty($default = $propertyMetadata->getDefault())) {
  237.             $propertySchema['default'] = $default;
  238.         }
  240.         if (!isset($propertySchema['example']) && !empty($example = $propertyMetadata->getExample())) {
  241.             $propertySchema['example'] = $example;
  242.         }
  244.         if (!isset($propertySchema['example']) && isset($propertySchema['default'])) {
  245.             $propertySchema['example'] = $propertySchema['default'];
  246.         }
  248.         $valueSchema = [];
  249.         // TODO: 3.0 support multiple types, default value of types will be [] instead of null
  250.         $type = $propertyMetadata instanceof PropertyMetadata ? $propertyMetadata->getType() : $propertyMetadata->getBuiltinTypes()[0] ?? null;
  251.         if (null !== $type) {
  252.             if ($isCollection = $type->isCollection()) {
  253.                 $keyType = method_exists(Type::class, 'getCollectionKeyTypes') ? ($type->getCollectionKeyTypes()[0] ?? null) : $type->getCollectionKeyType();
  254.                 $valueType = method_exists(Type::class, 'getCollectionValueTypes') ? ($type->getCollectionValueTypes()[0] ?? null) : $type->getCollectionValueType();
  255.             } else {
  256.                 $keyType = null;
  257.                 $valueType = $type;
  258.             }
  260.             if (null === $valueType) {
  261.                 $builtinType = 'string';
  262.                 $className = null;
  263.             } else {
  264.                 $builtinType = $valueType->getBuiltinType();
  265.                 $className = $valueType->getClassName();
  266.             }
  268.             $valueSchema = $this->typeFactory->getType(new Type($builtinType, $type->isNullable(), $className, $isCollection, $keyType, $valueType), $format, $propertyMetadata->isReadableLink(), $serializerContext, $schema);
  269.         }
  271.         if (\array_key_exists('type', $propertySchema) && \array_key_exists('$ref', $valueSchema)) {
  272.             $propertySchema = new \ArrayObject($propertySchema);
  273.         } else {
  274.             $propertySchema = new \ArrayObject($propertySchema + $valueSchema);
  275.         }
  276.         $schema->getDefinitions()[$definitionName]['properties'][$normalizedPropertyName] = $propertySchema;
  277.     }
  279.     private function buildDefinitionName(string $className, string $format = 'json', string $inputOrOutputClass = null, $resourceMetadata = null, array $serializerContext = null): string
  280.     {
  281.         if ($resourceMetadata) {
  282.             $prefix = $resourceMetadata instanceof ResourceMetadata ? $resourceMetadata->getShortName() : $resourceMetadata->getShortName();
  283.         }
  285.         if (!isset($prefix)) {
  286.             $prefix = (new \ReflectionClass($className))->getShortName();
  287.         }
  289.         if (null !== $inputOrOutputClass && $className !== $inputOrOutputClass) {
  290.             $parts = explode('\\', $inputOrOutputClass);
  291.             $shortName = end($parts);
  292.             $prefix .= '.'.$shortName;
  293.         }
  295.         if (isset($this->distinctFormats[$format])) {
  296.             // JSON is the default, and so isn't included in the definition name
  297.             $prefix .= '.'.$format;
  298.         }
  300.         $definitionName = $serializerContext[OpenApiFactory::OPENAPI_DEFINITION_NAME] ?? $serializerContext[DocumentationNormalizer::SWAGGER_DEFINITION_NAME] ?? null;
  301.         if ($definitionName) {
  302.             $name = sprintf('%s-%s', $prefix, $definitionName);
  303.         } else {
  304.             $groups = (array) ($serializerContext[AbstractNormalizer::GROUPS] ?? []);
  305.             $name = $groups ? sprintf('%s-%s', $prefix, implode('_', $groups)) : $prefix;
  306.         }
  308.         return $this->encodeDefinitionName($name);
  309.     }
  311.     private function encodeDefinitionName(string $name): string
  312.     {
  313.         return preg_replace('/[^a-zA-Z0-9.\-_]/', '.', $name);
  314.     }
  316.     private function getMetadata(string $className, string $type = Schema::TYPE_OUTPUT, string $operationType = null, string $operationName = null, array $serializerContext = null): ?array
  317.     {
  318.         if (!$this->isResourceClass($className)) {
  319.             return [
  320.                 null,
  321.                 $serializerContext ?? [],
  322.                 [],
  323.                 $className,
  324.             ];
  325.         }
  327.         /** @var ResourceMetadata|ResourceMetadataCollection $resourceMetadata */
  328.         $resourceMetadata = $this->resourceMetadataFactory->create($className);
  329.         $attribute = Schema::TYPE_OUTPUT === $type ? 'output' : 'input';
  330.         $operation = ($this->resourceMetadataFactory instanceof ResourceMetadataFactoryInterface) ? null : $resourceMetadata->getOperation($operationName);
  332.         if ($this->resourceMetadataFactory instanceof ResourceMetadataFactoryInterface) {
  333.             if (null === $operationType || null === $operationName) {
  334.                 $inputOrOutput = $resourceMetadata->getAttribute($attribute, ['class' => $className]);
  335.             } else {
  336.                 $inputOrOutput = $resourceMetadata->getTypedOperationAttribute($operationType, $operationName, $attribute, ['class' => $className], true);
  337.             }
  338.         } elseif ($operation) {
  339.             $inputOrOutput = (Schema::TYPE_OUTPUT === $type ? $operation->getOutput() : $operation->getInput()) ?? ['class' => $className];
  340.         } else {
  341.             $inputOrOutput = ['class' => $className];
  342.         }
  344.         if (null === ($inputOrOutput['class'] ?? $inputOrOutput->class ?? null)) {
  345.             // input or output disabled
  346.             return null;
  347.         }
  349.         return [
  350.             $resourceMetadata,
  351.             $serializerContext ?? $this->getSerializerContext($resourceMetadata, $type, $operationType, $operationName),
  352.             $this->getValidationGroups($this->resourceMetadataFactory instanceof ResourceMetadataFactoryInterface ? $resourceMetadata : $operation, $operationType, $operationName),
  353.             $inputOrOutput['class'] ?? $inputOrOutput->class,
  354.         ];
  355.     }
  357.     private function getSerializerContext($resourceMetadata, string $type = Schema::TYPE_OUTPUT, string $operationType = null, string $operationName = null): array
  358.     {
  359.         if ($resourceMetadata instanceof ResourceMetadata) {
  360.             $attribute = Schema::TYPE_OUTPUT === $type ? 'normalization_context' : 'denormalization_context';
  361.         } else {
  362.             $operation = $resourceMetadata->getOperation($operationName);
  363.         }
  365.         if (null === $operationType || null === $operationName) {
  366.             if ($resourceMetadata instanceof ResourceMetadata) {
  367.                 return $resourceMetadata->getAttribute($attribute, []);
  368.             }
  370.             return Schema::TYPE_OUTPUT === $type ? ($operation->getNormalizationContext() ?? []) : ($operation->getDenormalizationContext() ?? []);
  371.         }
  373.         if ($resourceMetadata instanceof ResourceMetadata) {
  374.             return $resourceMetadata->getTypedOperationAttribute($operationType, $operationName, $attribute, [], true);
  375.         }
  377.         return Schema::TYPE_OUTPUT === $type ? ($operation->getNormalizationContext() ?? []) : ($operation->getDenormalizationContext() ?? []);
  378.     }
  380.     /**
  381.      * @param HttpOperation|ResourceMetadata|null $resourceMetadata
  382.      */
  383.     private function getValidationGroups($resourceMetadata, ?string $operationType, ?string $operationName): array
  384.     {
  385.         if ($resourceMetadata instanceof ResourceMetadata) {
  386.             $attribute = 'validation_groups';
  388.             if (null === $operationType || null === $operationName) {
  389.                 return \is_array($validationGroups = $resourceMetadata->getAttribute($attribute, [])) ? $validationGroups : [];
  390.             }
  392.             return \is_array($validationGroups = $resourceMetadata->getTypedOperationAttribute($operationType, $operationName, $attribute, [], true)) ? $validationGroups : [];
  393.         }
  395.         $groups = $resourceMetadata ? ($resourceMetadata->getValidationContext()['groups'] ?? []) : [];
  397.         return \is_array($groups) ? $groups : [$groups];
  398.     }
  400.     /**
  401.      * Gets the options for the property name collection / property metadata factories.
  402.      */
  403.     private function getFactoryOptions(array $serializerContext, array $validationGroups, ?string $operationType, ?string $operationName, HttpOperation $operation = null): array
  404.     {
  405.         $options = [
  406.             /* @see https://github.com/symfony/symfony/blob/v5.1.0/src/Symfony/Component/PropertyInfo/Extractor/ReflectionExtractor.php */
  407.             'enable_getter_setter_extraction' => true,
  408.         ];
  410.         if (isset($serializerContext[AbstractNormalizer::GROUPS])) {
  411.             /* @see https://github.com/symfony/symfony/blob/v4.2.6/src/Symfony/Component/PropertyInfo/Extractor/SerializerExtractor.php */
  412.             $options['serializer_groups'] = (array) $serializerContext[AbstractNormalizer::GROUPS];
  413.         }
  415.         if ($this->resourceMetadataFactory instanceof ResourceMetadataCollectionFactoryInterface && $operation) {
  416.             $options['normalization_groups'] = $operation->getNormalizationContext()['groups'] ?? null;
  417.             $options['denormalization_groups'] = $operation->getDenormalizationContext()['groups'] ?? null;
  418.         }
  420.         if (null !== $operationType && null !== $operationName) {
  421.             switch ($operationType) {
  422.                 case OperationType::COLLECTION:
  423.                     $options['collection_operation_name'] = $operationName;
  424.                     break;
  425.                 case OperationType::ITEM:
  426.                     $options['item_operation_name'] = $operationName;
  427.                     break;
  428.                 default:
  429.                     break;
  430.             }
  431.         }
  433.         if ($validationGroups) {
  434.             $options['validation_groups'] = $validationGroups;
  435.         }
  437.         return $options;
  438.     }
  439. }