1/*
2 * Copyright (C) 2011 The Android Open Source Project
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 */
16
17package android.webkit;
18
19import java.security.PrivateKey;
20import java.util.HashMap;
21import java.util.HashSet;
22import java.util.Map;
23import java.util.Set;
24
25/**
26 * A simple class to store client certificates that user has chosen.
27 */
28final class SslClientCertLookupTable {
29    private static SslClientCertLookupTable sTable;
30    private final Map<String, PrivateKey> privateKeys;
31    private final Map<String, byte[][]> certificateChains;
32    private final Set<String> denied;
33
34    public static synchronized SslClientCertLookupTable getInstance() {
35        if (sTable == null) {
36            sTable = new SslClientCertLookupTable();
37        }
38        return sTable;
39    }
40
41    private SslClientCertLookupTable() {
42        privateKeys = new HashMap<String, PrivateKey>();
43        certificateChains = new HashMap<String, byte[][]>();
44        denied = new HashSet<String>();
45    }
46
47    public void Allow(String host_and_port, PrivateKey privateKey, byte[][] chain) {
48        privateKeys.put(host_and_port, privateKey);
49        certificateChains.put(host_and_port, chain);
50        denied.remove(host_and_port);
51    }
52
53    public void Deny(String host_and_port) {
54        privateKeys.remove(host_and_port);
55        certificateChains.remove(host_and_port);
56        denied.add(host_and_port);
57    }
58
59    public boolean IsAllowed(String host_and_port) {
60        return privateKeys.containsKey(host_and_port);
61    }
62
63    public boolean IsDenied(String host_and_port) {
64        return denied.contains(host_and_port);
65    }
66
67    public PrivateKey PrivateKey(String host_and_port) {
68        return privateKeys.get(host_and_port);
69    }
70
71    public byte[][] CertificateChain(String host_and_port) {
72        return certificateChains.get(host_and_port);
73    }
74}
75