sanitizers/src/test/java/com/example/SsrfHttpClient.java

// Copyright 2023 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 java.io.IOException;
import java.net.*;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class SsrfHttpClient {
  private static final HttpClient CLIENT =
      HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();

  public static void fuzzerTestOneInput(FuzzedDataProvider data)
      throws IOException, InterruptedException {
    String hostname = data.consumeString(15);
    URI uri;
    try {
      uri = URI.create("https://" + hostname);
      HttpRequest request = HttpRequest.newBuilder().uri(uri).GET().build();
      CLIENT.send(request, HttpResponse.BodyHandlers.ofString());
    } catch (IllegalArgumentException ignored) {
    }
  }
}