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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.security.PrivateKey;
     20 import java.util.HashMap;
     21 import java.util.HashSet;
     22 import java.util.Map;
     23 import java.util.Set;
     24 
     25 /**
     26  * A simple class to store client certificates that user has chosen.
     27  */
     28 final 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