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1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 | * contributor license agreements. See the NOTICE file distributed with | |
4 | * this work for additional information regarding copyright ownership. | |
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 | * (the "License"); you may not use this file except in compliance with | |
7 | * the License. You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 | * See the License for the specific language governing permissions and | |
15 | * limitations under the License. | |
16 | */ | |
17 | ||
18 | package org.apache.arrow.flight.auth; | |
19 | ||
20 | import java.util.Iterator; | |
21 | ||
22 | import org.apache.arrow.flight.impl.Flight.BasicAuth; | |
23 | ||
24 | /** | |
25 | * A client auth handler that supports username and password. | |
26 | */ | |
27 | public class BasicClientAuthHandler implements ClientAuthHandler { | |
28 | ||
29 | private final String name; | |
30 | private final String password; | |
31 | private byte[] token = null; | |
32 | ||
33 | public BasicClientAuthHandler(String name, String password) { | |
34 | this.name = name; | |
35 | this.password = password; | |
36 | } | |
37 | ||
38 | @Override | |
39 | public void authenticate(ClientAuthSender outgoing, Iterator<byte[]> incoming) { | |
40 | BasicAuth.Builder builder = BasicAuth.newBuilder(); | |
41 | if (name != null) { | |
42 | builder.setUsername(name); | |
43 | } | |
44 | ||
45 | if (password != null) { | |
46 | builder.setPassword(password); | |
47 | } | |
48 | ||
49 | outgoing.send(builder.build().toByteArray()); | |
50 | this.token = incoming.next(); | |
51 | } | |
52 | ||
53 | @Override | |
54 | public byte[] getCallToken() { | |
55 | return token; | |
56 | } | |
57 | ||
58 | } |