mirror of https://github.com/google/oss-fuzz.git
41 lines
1.5 KiB
Java
41 lines
1.5 KiB
Java
// Copyright 2021 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 com.google.json.JsonSanitizer;
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public class DenylistFuzzer {
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public static void fuzzerTestOneInput(FuzzedDataProvider data) {
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String input = data.consumeRemainingAsString();
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String output;
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try {
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output = JsonSanitizer.sanitize(input, 10);
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} catch (ArrayIndexOutOfBoundsException e) {
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// ArrayIndexOutOfBoundsException is expected if nesting depth is
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// exceeded.
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return;
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}
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// See https://github.com/OWASP/json-sanitizer#output.
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if (output.contains("</script") || output.contains("<script")
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|| output.contains("<!--") || output.contains("]]>")) {
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System.err.println("input : " + input);
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System.err.println("output: " + output);
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throw new IllegalStateException("Output contains forbidden substring");
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}
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}
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}
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