Marc Mintel
5397309103
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42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true,
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});
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exports.NoSchemaIntrospectionCustomRule = NoSchemaIntrospectionCustomRule;
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var _GraphQLError = require('../../../error/GraphQLError.js');
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var _definition = require('../../../type/definition.js');
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var _introspection = require('../../../type/introspection.js');
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/**
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* Prohibit introspection queries
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*
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* A GraphQL document is only valid if all fields selected are not fields that
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* return an introspection type.
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*
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* Note: This rule is optional and is not part of the Validation section of the
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* GraphQL Specification. This rule effectively disables introspection, which
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* does not reflect best practices and should only be done if absolutely necessary.
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*/
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function NoSchemaIntrospectionCustomRule(context) {
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return {
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Field(node) {
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const type = (0, _definition.getNamedType)(context.getType());
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if (type && (0, _introspection.isIntrospectionType)(type)) {
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context.reportError(
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new _GraphQLError.GraphQLError(
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`GraphQL introspection has been disabled, but the requested query contained the field "${node.name.value}".`,
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{
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nodes: 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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};
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}
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