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<?php |
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declare(strict_types=1); |
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5
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namespace GraphQL\Validator\Rules; |
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use GraphQL\Error\Error; |
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use GraphQL\Language\AST\DirectiveDefinitionNode; |
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use GraphQL\Language\AST\DirectiveNode; |
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use GraphQL\Language\AST\InputObjectTypeDefinitionNode; |
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use GraphQL\Language\AST\Node; |
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use GraphQL\Language\AST\NodeKind; |
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use GraphQL\Language\AST\NodeList; |
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use GraphQL\Language\DirectiveLocation; |
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use GraphQL\Validator\ValidationContext; |
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use function array_map; |
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use function count; |
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use function in_array; |
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use function sprintf; |
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class KnownDirectives extends ValidationRule |
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{ |
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113 |
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public function getVisitor(ValidationContext $context) |
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{ |
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113 |
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$locationsMap = []; |
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113 |
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$schema = $context->getSchema(); |
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$definedDirectives = $schema->getDirectives(); |
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foreach ($definedDirectives as $directive) { |
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$locationsMap[$directive->name] = $directive->locations; |
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} |
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113 |
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$astDefinition = $context->getDocument()->definitions; |
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113 |
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foreach ($astDefinition as $def) { |
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if (! ($def instanceof DirectiveDefinitionNode)) { |
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continue; |
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} |
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$locationsMap[$def->name->value] = array_map(function ($name) { |
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return $name->value; |
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}, $def->locations); |
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} |
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return [ |
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NodeKind::DIRECTIVE => function (DirectiveNode $node, $key, $parent, $path, $ancestors) use ($context, $locationsMap) { |
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$name = $node->name->value; |
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$locations = $locationsMap[$name] ?? null; |
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7 |
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if (! $locations) { |
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$context->reportError(new Error( |
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self::unknownDirectiveMessage($name), |
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[$node] |
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)); |
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return; |
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} |
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$candidateLocation = $this->getDirectiveLocationForASTPath($ancestors); |
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if (! $candidateLocation || in_array($candidateLocation, $locations)) { |
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return; |
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} |
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2 |
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$context->reportError( |
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new Error( |
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self::misplacedDirectiveMessage($name, $candidateLocation), |
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[$node] |
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) |
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); |
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}, |
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]; |
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} |
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public static function unknownDirectiveMessage($directiveName) |
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{ |
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return sprintf('Unknown directive "%s".', $directiveName); |
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} |
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/** |
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* @param Node[]|NodeList[] $ancestors The type is actually (Node|NodeList)[] but this PSR-5 syntax is so far not supported by most of the tools |
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* |
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* @return string |
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*/ |
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private function getDirectiveLocationForASTPath(array $ancestors) |
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{ |
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$appliedTo = $ancestors[count($ancestors) - 1]; |
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switch ($appliedTo->kind) { |
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case NodeKind::OPERATION_DEFINITION: |
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2 |
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switch ($appliedTo->operation) { |
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2 |
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case 'query': |
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return DirectiveLocation::QUERY; |
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2 |
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case 'mutation': |
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return DirectiveLocation::MUTATION; |
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case 'subscription': |
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return DirectiveLocation::SUBSCRIPTION; |
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} |
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break; |
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5 |
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case NodeKind::FIELD: |
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return DirectiveLocation::FIELD; |
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case NodeKind::FRAGMENT_SPREAD: |
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return DirectiveLocation::FRAGMENT_SPREAD; |
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case NodeKind::INLINE_FRAGMENT: |
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return DirectiveLocation::INLINE_FRAGMENT; |
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2 |
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case NodeKind::FRAGMENT_DEFINITION: |
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return DirectiveLocation::FRAGMENT_DEFINITION; |
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2 |
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case NodeKind::SCHEMA_DEFINITION: |
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case NodeKind::SCHEMA_EXTENSION: |
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return DirectiveLocation::SCHEMA; |
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case NodeKind::SCALAR_TYPE_DEFINITION: |
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case NodeKind::SCALAR_TYPE_EXTENSION: |
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return DirectiveLocation::SCALAR; |
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case NodeKind::OBJECT_TYPE_DEFINITION: |
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case NodeKind::OBJECT_TYPE_EXTENSION: |
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return DirectiveLocation::OBJECT; |
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case NodeKind::FIELD_DEFINITION: |
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return DirectiveLocation::FIELD_DEFINITION; |
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2 |
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case NodeKind::INTERFACE_TYPE_DEFINITION: |
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2 |
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case NodeKind::INTERFACE_TYPE_EXTENSION: |
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return DirectiveLocation::IFACE; |
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case NodeKind::UNION_TYPE_DEFINITION: |
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case NodeKind::UNION_TYPE_EXTENSION: |
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return DirectiveLocation::UNION; |
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case NodeKind::ENUM_TYPE_DEFINITION: |
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case NodeKind::ENUM_TYPE_EXTENSION: |
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return DirectiveLocation::ENUM; |
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case NodeKind::ENUM_VALUE_DEFINITION: |
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return DirectiveLocation::ENUM_VALUE; |
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case NodeKind::INPUT_OBJECT_TYPE_DEFINITION: |
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case NodeKind::INPUT_OBJECT_TYPE_EXTENSION: |
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return DirectiveLocation::INPUT_OBJECT; |
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case NodeKind::INPUT_VALUE_DEFINITION: |
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$parentNode = $ancestors[count($ancestors) - 3]; |
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return $parentNode instanceof InputObjectTypeDefinitionNode |
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? DirectiveLocation::INPUT_FIELD_DEFINITION |
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: DirectiveLocation::ARGUMENT_DEFINITION; |
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} |
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} |
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public static function misplacedDirectiveMessage($directiveName, $location) |
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{ |
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return sprintf('Directive "%s" may not be used on "%s".', $directiveName, $location); |
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} |
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} |
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webonyx /
graphql-php
