1/*
2 * Copyright (C) 2014 Square, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.squareup.okhttp.recipes;
17
18import com.squareup.okhttp.CertificatePinner;
19import com.squareup.okhttp.OkHttpClient;
20import com.squareup.okhttp.Request;
21import com.squareup.okhttp.Response;
22import java.io.IOException;
23import java.security.cert.Certificate;
24
25public final class CertificatePinning {
26  private final OkHttpClient client;
27
28  public CertificatePinning() {
29    client = new OkHttpClient();
30    client.setCertificatePinner(
31        new CertificatePinner.Builder()
32            .add("publicobject.com", "sha1/DmxUShsZuNiqPQsX2Oi9uv2sCnw=")
33            .add("publicobject.com", "sha1/SXxoaOSEzPC6BgGmxAt/EAcsajw=")
34            .add("publicobject.com", "sha1/blhOM3W9V/bVQhsWAcLYwPU6n24=")
35            .add("publicobject.com", "sha1/T5x9IXmcrQ7YuQxXnxoCmeeQ84c=")
36            .build());
37  }
38
39  public void run() throws Exception {
40    Request request = new Request.Builder()
41        .url("https://publicobject.com/robots.txt")
42        .build();
43
44    Response response = client.newCall(request).execute();
45    if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
46
47    for (Certificate certificate : response.handshake().peerCertificates()) {
48      System.out.println(CertificatePinner.pin(certificate));
49    }
50  }
51
52  public static void main(String... args) throws Exception {
53    new CertificatePinning().run();
54  }
55}
56