1 /*
2 * Copyright 2022 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.example.util;
17
18 import io.netty.handler.ssl.SslContext;
19 import io.netty.handler.ssl.SslContextBuilder;
20 import io.netty.pkitesting.CertificateBuilder;
21 import io.netty.pkitesting.X509Bundle;
22
23 /**
24 * Some useful methods for server side.
25 */
26 public final class ServerUtil {
27
28 private static final boolean SSL = System.getProperty("ssl") != null;
29
30 private ServerUtil() {
31 }
32
33 public static SslContext buildSslContext() throws Exception {
34 if (!SSL) {
35 return null;
36 }
37 X509Bundle ssc = new CertificateBuilder()
38 .subject("cn=localhost")
39 .setIsCertificateAuthority(true)
40 .buildSelfSigned();
41 return SslContextBuilder
42 .forServer(ssc.toKeyManagerFactory())
43 .build();
44 }
45 }