mirror of https://github.com/google/oss-fuzz.git
48 lines
1.8 KiB
Java
48 lines
1.8 KiB
Java
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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///////////////////////////////////////////////////////////////////////////
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import com.code_intelligence.jazzer.api.FuzzedDataProvider;
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import graphql.GraphQL;
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import graphql.GraphQLException;
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import graphql.schema.GraphQLSchema;
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import graphql.schema.idl.RuntimeWiring;
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import graphql.schema.idl.SchemaGenerator;
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import graphql.schema.idl.SchemaParser;
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import graphql.schema.idl.TypeDefinitionRegistry;
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public class GraphqlFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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GraphQLSchema graphQLSchema;
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SchemaParser schemaParser = new SchemaParser();
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SchemaGenerator schemaGenerator = new SchemaGenerator();
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try {
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if (data.consumeBoolean()) {
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TypeDefinitionRegistry registry =
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schemaParser.parse(data.consumeString(data.remainingBytes() / 2));
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graphQLSchema = schemaGenerator.makeExecutableSchema(
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registry, RuntimeWiring.newRuntimeWiring().build());
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} else {
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graphQLSchema =
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schemaGenerator.createdMockedSchema(data.consumeString(data.remainingBytes() / 2));
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}
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GraphQL.newGraphQL(graphQLSchema).build().execute(data.consumeRemainingAsString());
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} catch (GraphQLException | ClassCastException e) {
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// Known exception
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}
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}
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}
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