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<?php |
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declare(strict_types=1); |
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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\InputValueDefinitionNode; |
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use GraphQL\Language\AST\NodeKind; |
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use GraphQL\Language\AST\NodeList; |
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use GraphQL\Type\Definition\Directive; |
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use GraphQL\Type\Definition\FieldArgument; |
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use GraphQL\Validator\ValidationContext; |
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use function array_map; |
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use function in_array; |
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use function iterator_to_array; |
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/** |
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* Known argument names on directives |
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* |
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* A GraphQL directive is only valid if all supplied arguments are defined by |
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* that field. |
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*/ |
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class KnownArgumentNamesOnDirectives extends ValidationRule |
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{ |
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protected static function unknownDirectiveArgMessage(string $argName, string $directionName) |
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{ |
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return 'Unknown argument "' . $argName . '" on directive "@' . $directionName . '".'; |
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} |
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52 |
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public function getVisitor(ValidationContext $context) |
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{ |
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$directiveArgs = []; |
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$schema = $context->getSchema(); |
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$definedDirectives = $schema !== null ? $schema->getDirectives() : Directive::getInternalDirectives(); |
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foreach ($definedDirectives as $directive) { |
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$directiveArgs[$directive->name] = array_map( |
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static function (FieldArgument $arg) : string { |
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return $arg->name; |
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}, |
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$directive->args |
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); |
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} |
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$astDefinitions = $context->getDocument()->definitions; |
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foreach ($astDefinitions as $def) { |
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if (! ($def instanceof DirectiveDefinitionNode)) { |
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continue; |
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} |
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$name = $def->name->value; |
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if ($def->arguments !== null) { |
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$arguments = $def->arguments; |
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if ($arguments instanceof NodeList) { |
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$arguments = iterator_to_array($arguments->getIterator()); |
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} |
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$directiveArgs[$name] = array_map(static function (InputValueDefinitionNode $arg) : string { |
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return $arg->name->value; |
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}, $arguments); |
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} else { |
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$directiveArgs[$name] = []; |
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} |
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} |
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return [ |
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NodeKind::DIRECTIVE => static function (DirectiveNode $directiveNode) use ($directiveArgs, $context) { |
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$directiveName = $directiveNode->name->value; |
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$knownArgs = $directiveArgs[$directiveName] ?? null; |
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if ($directiveNode->arguments === null || ! $knownArgs) { |
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1 |
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return; |
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} |
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foreach ($directiveNode->arguments as $argNode) { |
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$argName = $argNode->name->value; |
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3 |
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if (in_array($argName, $knownArgs)) { |
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continue; |
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} |
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$context->reportError(new Error( |
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self::unknownDirectiveArgMessage($argName, $directiveName), |
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[$argNode] |
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)); |
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} |
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}, |
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]; |
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} |
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} |
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webonyx /
graphql-php
