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26 lines
997 B
26 lines
997 B
import { GraphQLError } from "../../../error/GraphQLError.mjs";
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import { getNamedType } from "../../../type/definition.mjs";
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import { isIntrospectionType } from "../../../type/introspection.mjs";
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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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export function NoSchemaIntrospectionCustomRule(context) {
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return {
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Field: function Field(node) {
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var type = getNamedType(context.getType());
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if (type && isIntrospectionType(type)) {
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context.reportError(new GraphQLError("GraphQL introspection has been disabled, but the requested query contained the field \"".concat(node.name.value, "\"."), node));
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}
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}
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};
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}
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