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// Copyright 2021 Code Intelligence GmbH
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.example;
import com.code_intelligence.jazzer.api.FuzzedDataProvider;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.json.JsonSanitizer;
public class JsonSanitizerFuzzer {
public static boolean fuzzerTestOneInput(FuzzedDataProvider data) {
String input = data.consumeRemainingAsString();
String validJson;
try {
validJson = JsonSanitizer.sanitize(input, 60);
} catch (ArrayIndexOutOfBoundsException e) {
// ArrayIndexOutOfBoundsException is expected if nesting depth is
// exceeded.
return false;
}
Gson gson = new Gson();
gson.fromJson(validJson, JsonElement.class);
if (validJson.contains("</script>") || validJson.contains("<script")
|| validJson.contains("<!--") || validJson.contains("]]>")) {
System.out.println(validJson);
return true;
}
return false;
}
}
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