001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements. See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache license, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License. You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the license for the specific language governing permissions and
015     * limitations under the license.
016     */
017    package org.apache.logging.log4j.core.net.ssl;
018    
019    import java.io.FileInputStream;
020    import java.io.FileNotFoundException;
021    import java.io.IOException;
022    import java.security.KeyStore;
023    import java.security.KeyStoreException;
024    import java.security.NoSuchAlgorithmException;
025    import java.security.cert.CertificateException;
026    
027    /**
028     * Configuration of the KeyStore
029     */
030    public class AbstractKeyStoreConfiguration extends StoreConfiguration<KeyStore> {
031        private final KeyStore keyStore;
032        private final String keyStoreType;
033    
034        public AbstractKeyStoreConfiguration(final String location, final String password, final String keyStoreType)
035                throws StoreConfigurationException {
036            super(location, password);
037            this.keyStoreType = keyStoreType == null ? SslConfigurationDefaults.KEYSTORE_TYPE : keyStoreType;
038            this.keyStore = this.load();
039        }
040    
041        @Override
042        protected KeyStore load() throws StoreConfigurationException {
043            FileInputStream fin = null;
044    
045            LOGGER.debug("Loading keystore from file with params(location={})", this.getLocation());
046            try {
047                if (this.getLocation() == null) {
048                    throw new IOException("The location is null");
049                }
050                fin = new FileInputStream(this.getLocation());
051                final KeyStore ks = KeyStore.getInstance(this.keyStoreType);
052                ks.load(fin, this.getPasswordAsCharArray());
053                LOGGER.debug("Keystore successfully loaded with params(location={})", this.getLocation());
054                return ks;
055            } catch (final CertificateException e) {
056                LOGGER.error("No Provider supports a KeyStoreSpi implementation for the specified type {}", this.keyStoreType);
057                throw new StoreConfigurationException(e);
058            } catch (final NoSuchAlgorithmException e) {
059                LOGGER.error("The algorithm used to check the integrity of the keystore cannot be found");
060                throw new StoreConfigurationException(e);
061            } catch (final KeyStoreException e) {
062                LOGGER.error(e);
063                throw new StoreConfigurationException(e);
064            } catch (final FileNotFoundException e) {
065                LOGGER.error("The keystore file({}) is not found", this.getLocation());
066                throw new StoreConfigurationException(e);
067            } catch (final IOException e) {
068                LOGGER.error("Something is wrong with the format of the keystore or the given password");
069                throw new StoreConfigurationException(e);
070            } finally {
071                try {
072                    if (fin != null) {
073                        fin.close();
074                    }
075                } catch (final IOException e) {
076                    LOGGER.debug(e);
077                }
078            }
079        }
080    
081        public KeyStore getKeyStore() {
082            return this.keyStore;
083        }
084    
085    }