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.camel.util.jsse;
018    
019    import java.io.IOException;
020    import java.io.InputStream;
021    import java.security.GeneralSecurityException;
022    import java.security.KeyStore;
023    import java.security.Security;
024    
025    import org.slf4j.Logger;
026    import org.slf4j.LoggerFactory;
027    
028    /**
029     * A representation of configuration options for creating and loading a
030     * {@link KeyStore} instance.
031     */
032    public class KeyStoreParameters extends JsseParameters {
033    
034        private static final Logger LOG = LoggerFactory.getLogger(KeyStoreParameters.class);
035    
036        /**
037         * The optional type of the key store to load. See Appendix A in the 
038         * <a href="http://download.oracle.com/javase/6/docs/technotes/guides/security/StandardNames.html#KeyStore">
039         * Java Cryptography Architecture Standard Algorithm Name Documentation</a> for more information on standard names.
040         */
041        protected String type;
042        
043        /**
044         * The optional password for reading/opening/verifying the key store.
045         */
046        protected String password;
047        
048        /**
049         * The optional provider identifier for instantiating the key store.
050         */
051        protected String provider;
052        
053        /**
054         * The optional file path, class path resource, or URL of the resource
055         * used to load the key store.
056         */
057        protected String resource;
058    
059        /**
060         * @see #setType(String)
061         */
062        public String getType() {
063            return type;
064        }
065    
066        /**
067         * Sets the type of the key store to create and load. See Appendix A in the
068         * <a href="http://download.oracle.com/javase/6/docs/technotes/guides/security/StandardNames.html#KeyStore"
069         * >Java Cryptography Architecture Standard Algorithm Name
070         * Documentation</a> for more information on standard names.
071         * 
072         * @param value the key store type identifier (may be {@code null})
073         */
074        public void setType(String value) {
075            this.type = value;
076        }
077    
078        /**
079         * @see #getPassword()
080         */
081        public String getPassword() {
082            return password;
083        }
084    
085        /**
086         * Set the optional password for reading/opening/verifying the key store.
087         * 
088         * @param value the password value (may be {@code null})
089         */
090        public void setPassword(String value) {
091            this.password = value;
092        }
093    
094        /**
095         * @see #setProvider(String)
096         */
097        public String getProvider() {
098            return provider;
099        }
100    
101        /**
102         * Sets the optional provider identifier for instantiating the key store.
103         *
104         * @param value the provider identifier (may be {@code null})
105         *
106         * @see Security#getProviders()
107         */
108        public void setProvider(String value) {
109            this.provider = value;
110        }
111    
112        /**
113         * @see #getResource()
114         */
115        public String getResource() {
116            return resource;
117        }
118    
119        /**
120         * Sets the optional file path, class path resource, or URL of the resource
121         * used to load the key store.
122         * 
123         * @param value the resource (may be {@code null})
124         */
125        public void setResource(String value) {
126            this.resource = value;
127        }
128    
129        /**
130         * Creates a {@link KeyStoreParameters} instance based off of the configuration state
131         * of this instance. If {@link #getType()} returns {@code null}, the default
132         * key store type is loaded, otherwise the type will be of that specified.
133         * <p/>
134         * The created instance will always be loaded, but if the type requires an
135         * input stream and {@link #getResource()} returns {@code null}, the
136         * instance will be empty. The loading of the resource, if not {@code null},
137         * is attempted by treating the resource as a file path, a class path
138         * resource, and a URL in that order. An exception is thrown if the resource
139         * cannot be resolved to readable input stream using any of the above
140         * methods.
141         * 
142         * @return a configured and loaded key store
143         * @throws GeneralSecurityException if there is an error creating an instance
144         *             with the given configuration
145         * @throws IOException if there is an error resolving the configured
146         *             resource to an input stream
147         */
148        public KeyStore createKeyStore() throws GeneralSecurityException, IOException {
149            LOG.debug("Creating KeyStore instance from KeyStoreParameters: {}", this);
150    
151            String ksType = this.parsePropertyValue(this.type);
152            if (ksType == null) {
153                ksType = KeyStore.getDefaultType();
154            }
155    
156            char[] ksPassword = null;
157            if (this.password != null) {
158                ksPassword = this.parsePropertyValue(this.password).toCharArray();
159            }
160    
161            KeyStore ks;
162            if (this.provider == null) {
163                ks = KeyStore.getInstance(ksType);
164            } else {
165                ks = KeyStore.getInstance(ksType, this.parsePropertyValue(this.provider));
166            }
167    
168            if (this.resource == null) {
169                ks.load(null, ksPassword);
170            } else {
171                InputStream is = this.resolveResource(this.parsePropertyValue(this.resource));
172                ks.load(is, ksPassword);
173            }
174    
175            return ks;
176        }
177    
178        @Override
179        public String toString() {
180            StringBuilder builder = new StringBuilder();
181            builder.append("KeyStoreParameters [type=");
182            builder.append(type);
183            builder.append(", password=");
184            builder.append(password);
185            builder.append(", provider=");
186            builder.append(provider);
187            builder.append(", resource=");
188            builder.append(resource);
189            builder.append(", getContext()=");
190            builder.append(getCamelContext());
191            builder.append("]");
192            return builder.toString();
193        }
194    }