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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 package org.conscrypt;
     18 
     19 import java.io.File;
     20 import java.io.FileInputStream;
     21 import java.io.FileNotFoundException;
     22 import java.io.IOException;
     23 import java.security.InvalidAlgorithmParameterException;
     24 import java.security.KeyStore;
     25 import java.security.KeyStoreException;
     26 import java.security.NoSuchAlgorithmException;
     27 import java.security.UnrecoverableKeyException;
     28 import java.security.cert.CertificateException;
     29 import javax.net.ssl.KeyManager;
     30 import javax.net.ssl.KeyManagerFactorySpi;
     31 import javax.net.ssl.ManagerFactoryParameters;
     32 import org.conscrypt.util.EmptyArray;
     33 
     34 /**
     35  * KeyManagerFactory implementation.
     36  * @see KeyManagerFactorySpi
     37  */
     38 public class KeyManagerFactoryImpl extends KeyManagerFactorySpi {
     39 
     40     // source of key material
     41     private KeyStore keyStore;
     42 
     43     //password
     44     private char[] pwd;
     45 
     46     /**
     47      * @see KeyManagerFactorySpi#engineInit(KeyStore ks, char[] password)
     48      */
     49     @Override
     50     protected void engineInit(KeyStore ks, char[] password)
     51             throws KeyStoreException, NoSuchAlgorithmException,
     52             UnrecoverableKeyException {
     53         if (ks != null) {
     54             keyStore = ks;
     55             if (password != null) {
     56                 pwd = password.clone();
     57             } else {
     58                 pwd = EmptyArray.CHAR;
     59             }
     60         } else {
     61             keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
     62             String keyStoreName = System.getProperty("javax.net.ssl.keyStore");
     63             String keyStorePwd = null;
     64             if (keyStoreName == null || keyStoreName.equalsIgnoreCase("NONE") || keyStoreName.isEmpty()) {
     65                 try {
     66                     keyStore.load(null, null);
     67                 } catch (IOException e) {
     68                     throw new KeyStoreException(e);
     69                 } catch (CertificateException e) {
     70                     throw new KeyStoreException(e);
     71                 }
     72             } else {
     73                 keyStorePwd = System.getProperty("javax.net.ssl.keyStorePassword");
     74                 if (keyStorePwd == null) {
     75                     pwd = EmptyArray.CHAR;
     76                 } else {
     77                     pwd = keyStorePwd.toCharArray();
     78                 }
     79                 try {
     80                     keyStore.load(new FileInputStream(new File(keyStoreName)), pwd);
     81                 } catch (FileNotFoundException e) {
     82                     throw new KeyStoreException(e);
     83                 } catch (IOException e) {
     84                     throw new KeyStoreException(e);
     85                 } catch (CertificateException e) {
     86                     throw new KeyStoreException(e);
     87                 }
     88             }
     89 
     90         }
     91 
     92     }
     93 
     94     /**
     95      * @see KeyManagerFactorySpi#engineInit(ManagerFactoryParameters spec)
     96      */
     97     @Override
     98     protected void engineInit(ManagerFactoryParameters spec)
     99             throws InvalidAlgorithmParameterException {
    100         throw new InvalidAlgorithmParameterException(
    101                 "ManagerFactoryParameters not supported");
    102 
    103     }
    104 
    105     /**
    106      * @see KeyManagerFactorySpi#engineGetKeyManagers()
    107      */
    108     @Override
    109     protected KeyManager[] engineGetKeyManagers() {
    110         if (keyStore == null) {
    111             throw new IllegalStateException("KeyManagerFactory is not initialized");
    112         }
    113         return new KeyManager[] { new KeyManagerImpl(keyStore, pwd) };
    114     }
    115 
    116 }
    117