1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.hc.client5.testing.auth;
29
30 import java.nio.charset.StandardCharsets;
31
32 import org.apache.hc.client5.http.utils.Base64;
33 import org.apache.hc.client5.http.auth.StandardAuthScheme;
34 import org.apache.hc.core5.http.HttpException;
35 import org.apache.hc.core5.http.ProtocolException;
36
37 public class BasicAuthTokenExtractor {
38
39 public String extract(final String challengeResponse) throws HttpException {
40 if (challengeResponse != null) {
41 final int i = challengeResponse.indexOf(' ');
42 if (i == -1) {
43 throw new ProtocolException("Invalid challenge response: " + challengeResponse);
44 }
45 final String schemeName = challengeResponse.substring(0, i);
46 if (schemeName.equalsIgnoreCase(StandardAuthScheme.BASIC)) {
47 final String s = challengeResponse.substring(i + 1).trim();
48 try {
49 final byte[] credsRaw = s.getBytes(StandardCharsets.US_ASCII);
50 final Base64 codec = new Base64();
51 return new String(codec.decode(credsRaw), StandardCharsets.US_ASCII);
52 } catch (final IllegalArgumentException ex) {
53 throw new ProtocolException("Malformed Basic credentials");
54 }
55 }
56 }
57 return null;
58 }
59
60 }