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