Symfony Profiler

<?php
declare(strict_types=1);
namespace GraphQL\Type;
use GraphQL\Error\Error;
use GraphQL\Language\AST\DirectiveDefinitionNode;
use GraphQL\Language\AST\DirectiveNode;
use GraphQL\Language\AST\EnumValueDefinitionNode;
use GraphQL\Language\AST\FieldDefinitionNode;
use GraphQL\Language\AST\InputValueDefinitionNode;
use GraphQL\Language\AST\InterfaceTypeDefinitionNode;
use GraphQL\Language\AST\InterfaceTypeExtensionNode;
use GraphQL\Language\AST\ListTypeNode;
use GraphQL\Language\AST\NamedTypeNode;
use GraphQL\Language\AST\Node;
use GraphQL\Language\AST\NodeList;
use GraphQL\Language\AST\NonNullTypeNode;
use GraphQL\Language\AST\ObjectTypeDefinitionNode;
use GraphQL\Language\AST\ObjectTypeExtensionNode;
use GraphQL\Language\AST\SchemaDefinitionNode;
use GraphQL\Language\AST\TypeDefinitionNode;
use GraphQL\Language\AST\TypeNode;
use GraphQL\Language\DirectiveLocation;
use GraphQL\Type\Definition\Directive;
use GraphQL\Type\Definition\EnumType;
use GraphQL\Type\Definition\EnumValueDefinition;
use GraphQL\Type\Definition\FieldDefinition;
use GraphQL\Type\Definition\ImplementingType;
use GraphQL\Type\Definition\InputObjectField;
use GraphQL\Type\Definition\InputObjectType;
use GraphQL\Type\Definition\InterfaceType;
use GraphQL\Type\Definition\NamedType;
use GraphQL\Type\Definition\NonNull;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\ScalarType;
use GraphQL\Type\Definition\Type;
use GraphQL\Type\Definition\UnionType;
use GraphQL\Type\Validation\InputObjectCircularRefs;
use GraphQL\Utils\TypeComparators;
use GraphQL\Utils\Utils;
use function array_filter;
use function array_key_exists;
use function array_merge;
use function count;
use function in_array;
use function is_array;
use function is_object;
use function sprintf;
class SchemaValidationContext
{
/** @var Error[] */
private $errors = [];
/** @var Schema */
private $schema;
/** @var InputObjectCircularRefs */
private $inputObjectCircularRefs;
public function __construct(Schema $schema)
{
$this->schema = $schema;
$this->inputObjectCircularRefs = new InputObjectCircularRefs($this);
}
/**
* @return Error[]
*/
public function getErrors()
{
return $this->errors;
}
public function validateRootTypes() : void
{
$queryType = $this->schema->getQueryType();
if (! $queryType) {
$this->reportError(
'Query root type must be provided.',
$this->schema->getAstNode()
);
} elseif (! $queryType instanceof ObjectType) {
$this->reportError(
'Query root type must be Object type, it cannot be ' . Utils::printSafe($queryType) . '.',
$this->getOperationTypeNode($queryType, 'query')
);
}
$mutationType = $this->schema->getMutationType();
if ($mutationType && ! $mutationType instanceof ObjectType) {
$this->reportError(
'Mutation root type must be Object type if provided, it cannot be ' . Utils::printSafe($mutationType) . '.',
$this->getOperationTypeNode($mutationType, 'mutation')
);
}
$subscriptionType = $this->schema->getSubscriptionType();
if ($subscriptionType === null || $subscriptionType instanceof ObjectType) {
return;
}
$this->reportError(
'Subscription root type must be Object type if provided, it cannot be ' . Utils::printSafe($subscriptionType) . '.',
$this->getOperationTypeNode($subscriptionType, 'subscription')
);
}
/**
* @param string $message
* @param Node[]|Node|TypeNode|TypeDefinitionNode|null $nodes
*/
public function reportError($message, $nodes = null)
{
$nodes = array_filter($nodes && is_array($nodes) ? $nodes : [$nodes]);
$this->addError(new Error($message, $nodes));
}
/**
* @param Error $error
*/
private function addError($error)
{
$this->errors[] = $error;
}
/**
* @param Type $type
* @param string $operation
*
* @return NamedTypeNode|ListTypeNode|NonNullTypeNode|TypeDefinitionNode
*/
private function getOperationTypeNode($type, $operation)
{
$astNode = $this->schema->getAstNode();
$operationTypeNode = null;
if ($astNode instanceof SchemaDefinitionNode) {
$operationTypeNode = null;
foreach ($astNode->operationTypes as $operationType) {
if ($operationType->operation === $operation) {
$operationTypeNode = $operationType;
break;
}
}
}
return $operationTypeNode ? $operationTypeNode->type : ($type ? $type->astNode : null);
}
public function validateDirectives()
{
$this->validateDirectiveDefinitions();
// Validate directives that are used on the schema
$this->validateDirectivesAtLocation(
$this->getDirectives($this->schema),
DirectiveLocation::SCHEMA
);
}
public function validateDirectiveDefinitions()
{
$directiveDefinitions = [];
$directives = $this->schema->getDirectives();
foreach ($directives as $directive) {
// Ensure all directives are in fact GraphQL directives.
if (! $directive instanceof Directive) {
$nodes = is_object($directive)
? $directive->astNode
: null;
$this->reportError(
'Expected directive but got: ' . Utils::printSafe($directive) . '.',
$nodes
);
continue;
}
$existingDefinitions = $directiveDefinitions[$directive->name] ?? [];
$existingDefinitions[] = $directive;
$directiveDefinitions[$directive->name] = $existingDefinitions;
// Ensure they are named correctly.
$this->validateName($directive);
// TODO: Ensure proper locations.
$argNames = [];
foreach ($directive->args as $arg) {
$argName = $arg->name;
// Ensure they are named correctly.
$this->validateName($directive);
if (isset($argNames[$argName])) {
$this->reportError(
sprintf('Argument @%s(%s:) can only be defined once.', $directive->name, $argName),
$this->getAllDirectiveArgNodes($directive, $argName)
);
continue;
}
$argNames[$argName] = true;
// Ensure the type is an input type.
if (Type::isInputType($arg->getType())) {
continue;
}
$this->reportError(
sprintf(
'The type of @%s(%s:) must be Input Type but got: %s.',
$directive->name,
$argName,
Utils::printSafe($arg->getType())
),
$this->getDirectiveArgTypeNode($directive, $argName)
);
}
}
foreach ($directiveDefinitions as $directiveName => $directiveList) {
if (count($directiveList) <= 1) {
continue;
}
$nodes = Utils::map(
$directiveList,
static function (Directive $directive) : ?DirectiveDefinitionNode {
return $directive->astNode;
}
);
$this->reportError(
sprintf('Directive @%s defined multiple times.', $directiveName),
array_filter($nodes)
);
}
}
/**
* @param Type|Directive|FieldDefinition|EnumValueDefinition|InputObjectField $node
*/
private function validateName($node)
{
// Ensure names are valid, however introspection types opt out.
$error = Utils::isValidNameError($node->name, $node->astNode);
if (! $error || Introspection::isIntrospectionType($node)) {
return;
}
$this->addError($error);
}
/**
* @param string $argName
*
* @return InputValueDefinitionNode[]
*/
private function getAllDirectiveArgNodes(Directive $directive, $argName)
{
$subNodes = $this->getAllSubNodes(
$directive,
static function ($directiveNode) {
return $directiveNode->arguments;
}
);
return Utils::filter(
$subNodes,
static function ($argNode) use ($argName) : bool {
return $argNode->name->value === $argName;
}
);
}
/**
* @param string $argName
*
* @return NamedTypeNode|ListTypeNode|NonNullTypeNode|null
*/
private function getDirectiveArgTypeNode(Directive $directive, $argName) : ?TypeNode
{
$argNode = $this->getAllDirectiveArgNodes($directive, $argName)[0];
return $argNode ? $argNode->type : null;
}
public function validateTypes() : void
{
$typeMap = $this->schema->getTypeMap();
foreach ($typeMap as $typeName => $type) {
// Ensure all provided types are in fact GraphQL type.
if (! $type instanceof NamedType) {
$this->reportError(
'Expected GraphQL named type but got: ' . Utils::printSafe($type) . '.',
$type instanceof Type ? $type->astNode : null
);
continue;
}
$this->validateName($type);
if ($type instanceof ObjectType) {
// Ensure fields are valid
$this->validateFields($type);
// Ensure objects implement the interfaces they claim to.
$this->validateInterfaces($type);
// Ensure directives are valid
$this->validateDirectivesAtLocation(
$this->getDirectives($type),
DirectiveLocation::OBJECT
);
} elseif ($type instanceof InterfaceType) {
// Ensure fields are valid.
$this->validateFields($type);
// Ensure interfaces implement the interfaces they claim to.
$this->validateInterfaces($type);
// Ensure directives are valid
$this->validateDirectivesAtLocation(
$this->getDirectives($type),
DirectiveLocation::IFACE
);
} elseif ($type instanceof UnionType) {
// Ensure Unions include valid member types.
$this->validateUnionMembers($type);
// Ensure directives are valid
$this->validateDirectivesAtLocation(
$this->getDirectives($type),
DirectiveLocation::UNION
);
} elseif ($type instanceof EnumType) {
// Ensure Enums have valid values.
$this->validateEnumValues($type);
// Ensure directives are valid
$this->validateDirectivesAtLocation(
$this->getDirectives($type),
DirectiveLocation::ENUM
);
} elseif ($type instanceof InputObjectType) {
// Ensure Input Object fields are valid.
$this->validateInputFields($type);
// Ensure directives are valid
$this->validateDirectivesAtLocation(
$this->getDirectives($type),
DirectiveLocation::INPUT_OBJECT
);
// Ensure Input Objects do not contain non-nullable circular references
$this->inputObjectCircularRefs->validate($type);
} elseif ($type instanceof ScalarType) {
// Ensure directives are valid
$this->validateDirectivesAtLocation(
$this->getDirectives($type),
DirectiveLocation::SCALAR
);
}
}
}
/**
* @param NodeList<DirectiveNode> $directives
*/
private function validateDirectivesAtLocation($directives, string $location)
{
/** @var array<string, array<int, DirectiveNode>> $potentiallyDuplicateDirectives */
$potentiallyDuplicateDirectives = [];
$schema = $this->schema;
foreach ($directives as $directive) {
$directiveName = $directive->name->value;
// Ensure directive used is also defined
$schemaDirective = $schema->getDirective($directiveName);
if ($schemaDirective === null) {
$this->reportError(
sprintf('No directive @%s defined.', $directiveName),
$directive
);
continue;
}
$includes = Utils::some(
$schemaDirective->locations,
static function ($schemaLocation) use ($location) : bool {
return $schemaLocation === $location;
}
);
if (! $includes) {
$errorNodes = $schemaDirective->astNode
? [$directive, $schemaDirective->astNode]
: [$directive];
$this->reportError(
sprintf('Directive @%s not allowed at %s location.', $directiveName, $location),
$errorNodes
);
}
if ($schemaDirective->isRepeatable) {
continue;
}
$existingNodes = $potentiallyDuplicateDirectives[$directiveName] ?? [];
$existingNodes[] = $directive;
$potentiallyDuplicateDirectives[$directiveName] = $existingNodes;
}
foreach ($potentiallyDuplicateDirectives as $directiveName => $directiveList) {
if (count($directiveList) <= 1) {
continue;
}
$this->reportError(
sprintf('Non-repeatable directive @%s used more than once at the same location.', $directiveName),
$directiveList
);
}
}
/**
* @param ObjectType|InterfaceType $type
*/
private function validateFields($type)
{
$fieldMap = $type->getFields();
// Objects and Interfaces both must define one or more fields.
if ($fieldMap === []) {
$this->reportError(
sprintf('Type %s must define one or more fields.', $type->name),
$this->getAllNodes($type)
);
}
foreach ($fieldMap as $fieldName => $field) {
// Ensure they are named correctly.
$this->validateName($field);
// Ensure they were defined at most once.
$fieldNodes = $this->getAllFieldNodes($type, $fieldName);
if ($fieldNodes && count($fieldNodes) > 1) {
$this->reportError(
sprintf('Field %s.%s can only be defined once.', $type->name, $fieldName),
$fieldNodes
);
continue;
}
// Ensure the type is an output type
if (! Type::isOutputType($field->getType())) {
$this->reportError(
sprintf(
'The type of %s.%s must be Output Type but got: %s.',
$type->name,
$fieldName,
Utils::printSafe($field->getType())
),
$this->getFieldTypeNode($type, $fieldName)
);
}
// Ensure the arguments are valid
$argNames = [];
foreach ($field->args as $arg) {
$argName = $arg->name;
// Ensure they are named correctly.
$this->validateName($arg);
if (isset($argNames[$argName])) {
$this->reportError(
sprintf(
'Field argument %s.%s(%s:) can only be defined once.',
$type->name,
$fieldName,
$argName
),
$this->getAllFieldArgNodes($type, $fieldName, $argName)
);
}
$argNames[$argName] = true;
// Ensure the type is an input type
if (! Type::isInputType($arg->getType())) {
$this->reportError(
sprintf(
'The type of %s.%s(%s:) must be Input Type but got: %s.',
$type->name,
$fieldName,
$argName,
Utils::printSafe($arg->getType())
),
$this->getFieldArgTypeNode($type, $fieldName, $argName)
);
}
// Ensure argument definition directives are valid
if (! isset($arg->astNode, $arg->astNode->directives)) {
continue;
}
$this->validateDirectivesAtLocation(
$arg->astNode->directives,
DirectiveLocation::ARGUMENT_DEFINITION
);
}
// Ensure any directives are valid
if (! isset($field->astNode, $field->astNode->directives)) {
continue;
}
$this->validateDirectivesAtLocation(
$field->astNode->directives,
DirectiveLocation::FIELD_DEFINITION
);
}
}
/**
* @param Schema|ObjectType|InterfaceType|UnionType|EnumType|InputObjectType|Directive $obj
*
* @return ObjectTypeDefinitionNode[]|ObjectTypeExtensionNode[]|InterfaceTypeDefinitionNode[]|InterfaceTypeExtensionNode[]
*/
private function getAllNodes($obj)
{
if ($obj instanceof Schema) {
$astNode = $obj->getAstNode();
$extensionNodes = $obj->extensionASTNodes;
} else {
$astNode = $obj->astNode;
$extensionNodes = $obj->extensionASTNodes;
}
return $astNode
? ($extensionNodes
? array_merge([$astNode], $extensionNodes)
: [$astNode])
: ($extensionNodes ?? []);
}
/**
* @param Schema|ObjectType|InterfaceType|UnionType|EnumType|Directive $obj
*/
private function getAllSubNodes($obj, callable $getter) : NodeList
{
$result = new NodeList([]);
foreach ($this->getAllNodes($obj) as $astNode) {
if (! $astNode) {
continue;
}
$subNodes = $getter($astNode);
if (! $subNodes) {
continue;
}
$result = $result->merge($subNodes);
}
return $result;
}
/**
* @param ObjectType|InterfaceType $type
* @param string $fieldName
*
* @return FieldDefinitionNode[]
*/
private function getAllFieldNodes($type, $fieldName)
{
$subNodes = $this->getAllSubNodes($type, static function ($typeNode) {
return $typeNode->fields;
});
return Utils::filter($subNodes, static function ($fieldNode) use ($fieldName) : bool {
return $fieldNode->name->value === $fieldName;
});
}
/**
* @param ObjectType|InterfaceType $type
* @param string $fieldName
*
* @return NamedTypeNode|ListTypeNode|NonNullTypeNode|null
*/
private function getFieldTypeNode($type, $fieldName) : ?TypeNode
{
$fieldNode = $this->getFieldNode($type, $fieldName);
return $fieldNode ? $fieldNode->type : null;
}
/**
* @param ObjectType|InterfaceType $type
* @param string $fieldName
*
* @return FieldDefinitionNode|null
*/
private function getFieldNode($type, $fieldName)
{
$nodes = $this->getAllFieldNodes($type, $fieldName);
return $nodes[0] ?? null;
}
/**
* @param ObjectType|InterfaceType $type
* @param string $fieldName
* @param string $argName
*
* @return InputValueDefinitionNode[]
*/
private function getAllFieldArgNodes($type, $fieldName, $argName)
{
$argNodes = [];
$fieldNode = $this->getFieldNode($type, $fieldName);
if ($fieldNode && $fieldNode->arguments) {
foreach ($fieldNode->arguments as $node) {
if ($node->name->value !== $argName) {
continue;
}
$argNodes[] = $node;
}
}
return $argNodes;
}
/**
* @param ObjectType|InterfaceType $type
* @param string $fieldName
* @param string $argName
*
* @return NamedTypeNode|ListTypeNode|NonNullTypeNode|null
*/
private function getFieldArgTypeNode($type, $fieldName, $argName) : ?TypeNode
{
$fieldArgNode = $this->getFieldArgNode($type, $fieldName, $argName);
return $fieldArgNode ? $fieldArgNode->type : null;
}
/**
* @param ObjectType|InterfaceType $type
* @param string $fieldName
* @param string $argName
*
* @return InputValueDefinitionNode|null
*/
private function getFieldArgNode($type, $fieldName, $argName)
{
$nodes = $this->getAllFieldArgNodes($type, $fieldName, $argName);
return $nodes[0] ?? null;
}
/**
* @param ObjectType|InterfaceType $type
*/
private function validateInterfaces(ImplementingType $type) : void
{
$ifaceTypeNames = [];
foreach ($type->getInterfaces() as $iface) {
if (! $iface instanceof InterfaceType) {
$this->reportError(
sprintf(
'Type %s must only implement Interface types, it cannot implement %s.',
$type->name,
Utils::printSafe($iface)
),
$this->getImplementsInterfaceNode($type, $iface)
);
continue;
}
if ($type === $iface) {
$this->reportError(
sprintf(
'Type %s cannot implement itself because it would create a circular reference.',
$type->name
),
$this->getImplementsInterfaceNode($type, $iface)
);
continue;
}
if (isset($ifaceTypeNames[$iface->name])) {
$this->reportError(
sprintf('Type %s can only implement %s once.', $type->name, $iface->name),
$this->getAllImplementsInterfaceNodes($type, $iface)
);
continue;
}
$ifaceTypeNames[$iface->name] = true;
$this->validateTypeImplementsAncestors($type, $iface);
$this->validateTypeImplementsInterface($type, $iface);
}
}
/**
* @param Schema|Type $object
*
* @return NodeList<DirectiveNode>
*/
private function getDirectives($object)
{
return $this->getAllSubNodes($object, static function ($node) {
return $node->directives;
});
}
/**
* @param ObjectType|InterfaceType $type
*/
private function getImplementsInterfaceNode(ImplementingType $type, Type $shouldBeInterface) : ?NamedTypeNode
{
$nodes = $this->getAllImplementsInterfaceNodes($type, $shouldBeInterface);
return $nodes[0] ?? null;
}
/**
* @param ObjectType|InterfaceType $type
*
* @return array<int, NamedTypeNode>
*/
private function getAllImplementsInterfaceNodes(ImplementingType $type, Type $shouldBeInterface) : array
{
$subNodes = $this->getAllSubNodes($type, static function (Node $typeNode) : NodeList {
/** @var ObjectTypeDefinitionNode|ObjectTypeExtensionNode|InterfaceTypeDefinitionNode|InterfaceTypeExtensionNode $typeNode */
return $typeNode->interfaces;
});
return Utils::filter($subNodes, static function (NamedTypeNode $ifaceNode) use ($shouldBeInterface) : bool {
return $ifaceNode->name->value === $shouldBeInterface->name;
});
}
/**
* @param ObjectType|InterfaceType $type
*/
private function validateTypeImplementsInterface(ImplementingType $type, InterfaceType $iface)
{
$typeFieldMap = $type->getFields();
$ifaceFieldMap = $iface->getFields();
// Assert each interface field is implemented.
foreach ($ifaceFieldMap as $fieldName => $ifaceField) {
$typeField = array_key_exists($fieldName, $typeFieldMap)
? $typeFieldMap[$fieldName]
: null;
// Assert interface field exists on type.
if (! $typeField) {
$this->reportError(
sprintf(
'Interface field %s.%s expected but %s does not provide it.',
$iface->name,
$fieldName,
$type->name
),
array_merge(
[$this->getFieldNode($iface, $fieldName)],
$this->getAllNodes($type)
)
);
continue;
}
// Assert interface field type is satisfied by type field type, by being
// a valid subtype. (covariant)
if (! TypeComparators::isTypeSubTypeOf(
$this->schema,
$typeField->getType(),
$ifaceField->getType()
)
) {
$this->reportError(
sprintf(
'Interface field %s.%s expects type %s but %s.%s is type %s.',
$iface->name,
$fieldName,
$ifaceField->getType(),
$type->name,
$fieldName,
Utils::printSafe($typeField->getType())
),
[
$this->getFieldTypeNode($iface, $fieldName),
$this->getFieldTypeNode($type, $fieldName),
]
);
}
// Assert each interface field arg is implemented.
foreach ($ifaceField->args as $ifaceArg) {
$argName = $ifaceArg->name;
$typeArg = null;
foreach ($typeField->args as $arg) {
if ($arg->name === $argName) {
$typeArg = $arg;
break;
}
}
// Assert interface field arg exists on type field.
if (! $typeArg) {
$this->reportError(
sprintf(
'Interface field argument %s.%s(%s:) expected but %s.%s does not provide it.',
$iface->name,
$fieldName,
$argName,
$type->name,
$fieldName
),
[
$this->getFieldArgNode($iface, $fieldName, $argName),
$this->getFieldNode($type, $fieldName),
]
);
continue;
}
// Assert interface field arg type matches type field arg type.
// (invariant)
// TODO: change to contravariant?
if (! TypeComparators::isEqualType($ifaceArg->getType(), $typeArg->getType())) {
$this->reportError(
sprintf(
'Interface field argument %s.%s(%s:) expects type %s but %s.%s(%s:) is type %s.',
$iface->name,
$fieldName,
$argName,
Utils::printSafe($ifaceArg->getType()),
$type->name,
$fieldName,
$argName,
Utils::printSafe($typeArg->getType())
),
[
$this->getFieldArgTypeNode($iface, $fieldName, $argName),
$this->getFieldArgTypeNode($type, $fieldName, $argName),
]
);
}
// TODO: validate default values?
}
// Assert additional arguments must not be required.
foreach ($typeField->args as $typeArg) {
$argName = $typeArg->name;
$ifaceArg = null;
foreach ($ifaceField->args as $arg) {
if ($arg->name === $argName) {
$ifaceArg = $arg;
break;
}
}
if ($ifaceArg || ! $typeArg->isRequired()) {
continue;
}
$this->reportError(
sprintf(
'Object field %s.%s includes required argument %s that is missing from the Interface field %s.%s.',
$type->name,
$fieldName,
$argName,
$iface->name,
$fieldName
),
[
$this->getFieldArgNode($type, $fieldName, $argName),
$this->getFieldNode($iface, $fieldName),
]
);
}
}
}
/**
* @param ObjectType|InterfaceType $type
*/
private function validateTypeImplementsAncestors(ImplementingType $type, InterfaceType $iface) : void
{
$typeInterfaces = $type->getInterfaces();
foreach ($iface->getInterfaces() as $transitive) {
if (in_array($transitive, $typeInterfaces, true)) {
continue;
}
$error = $transitive === $type ?
sprintf(
'Type %s cannot implement %s because it would create a circular reference.',
$type->name,
$iface->name
) :
sprintf(
'Type %s must implement %s because it is implemented by %s.',
$type->name,
$transitive->name,
$iface->name
);
$this->reportError(
$error,
array_merge(
$this->getAllImplementsInterfaceNodes($iface, $transitive),
$this->getAllImplementsInterfaceNodes($type, $iface)
)
);
}
}
private function validateUnionMembers(UnionType $union)
{
$memberTypes = $union->getTypes();
if (! $memberTypes) {
$this->reportError(
sprintf('Union type %s must define one or more member types.', $union->name),
$this->getAllNodes($union)
);
}
$includedTypeNames = [];
foreach ($memberTypes as $memberType) {
if (isset($includedTypeNames[$memberType->name])) {
$this->reportError(
sprintf('Union type %s can only include type %s once.', $union->name, $memberType->name),
$this->getUnionMemberTypeNodes($union, $memberType->name)
);
continue;
}
$includedTypeNames[$memberType->name] = true;
if ($memberType instanceof ObjectType) {
continue;
}
$this->reportError(
sprintf(
'Union type %s can only include Object types, it cannot include %s.',
$union->name,
Utils::printSafe($memberType)
),
$this->getUnionMemberTypeNodes($union, Utils::printSafe($memberType))
);
}
}
/**
* @param string $typeName
*
* @return NamedTypeNode[]
*/
private function getUnionMemberTypeNodes(UnionType $union, $typeName)
{
$subNodes = $this->getAllSubNodes($union, static function ($unionNode) {
return $unionNode->types;
});
return Utils::filter($subNodes, static function ($typeNode) use ($typeName) : bool {
return $typeNode->name->value === $typeName;
});
}
private function validateEnumValues(EnumType $enumType)
{
$enumValues = $enumType->getValues();
if (! $enumValues) {
$this->reportError(
sprintf('Enum type %s must define one or more values.', $enumType->name),
$this->getAllNodes($enumType)
);
}
foreach ($enumValues as $enumValue) {
$valueName = $enumValue->name;
// Ensure no duplicates
$allNodes = $this->getEnumValueNodes($enumType, $valueName);
if ($allNodes && count($allNodes) > 1) {
$this->reportError(
sprintf('Enum type %s can include value %s only once.', $enumType->name, $valueName),
$allNodes
);
}
// Ensure valid name.
$this->validateName($enumValue);
if ($valueName === 'true' || $valueName === 'false' || $valueName === 'null') {
$this->reportError(
sprintf('Enum type %s cannot include value: %s.', $enumType->name, $valueName),
$enumValue->astNode
);
}
// Ensure valid directives
if (! isset($enumValue->astNode, $enumValue->astNode->directives)) {
continue;
}
$this->validateDirectivesAtLocation(
$enumValue->astNode->directives,
DirectiveLocation::ENUM_VALUE
);
}
}
/**
* @param string $valueName
*
* @return EnumValueDefinitionNode[]
*/
private function getEnumValueNodes(EnumType $enum, $valueName)
{
$subNodes = $this->getAllSubNodes($enum, static function ($enumNode) {
return $enumNode->values;
});
return Utils::filter($subNodes, static function ($valueNode) use ($valueName) : bool {
return $valueNode->name->value === $valueName;
});
}
private function validateInputFields(InputObjectType $inputObj)
{
$fieldMap = $inputObj->getFields();
if (! $fieldMap) {
$this->reportError(
sprintf('Input Object type %s must define one or more fields.', $inputObj->name),
$this->getAllNodes($inputObj)
);
}
// Ensure the arguments are valid
foreach ($fieldMap as $fieldName => $field) {
// Ensure they are named correctly.
$this->validateName($field);
// TODO: Ensure they are unique per field.
// Ensure the type is an input type
if (! Type::isInputType($field->getType())) {
$this->reportError(
sprintf(
'The type of %s.%s must be Input Type but got: %s.',
$inputObj->name,
$fieldName,
Utils::printSafe($field->getType())
),
$field->astNode ? $field->astNode->type : null
);
}
// Ensure valid directives
if (! isset($field->astNode, $field->astNode->directives)) {
continue;
}
$this->validateDirectivesAtLocation(
$field->astNode->directives,
DirectiveLocation::INPUT_FIELD_DEFINITION
);
}
}
}

vendor/webonyx/graphql-php/src/Type/SchemaValidationContext.php line 293