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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.config;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Optional;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.core.env.CompositePropertySource;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.PropertySource;
import org.springframework.stereotype.Component;
public class PropertyPasswordConfiguration implements ApplicationContextInitializer<ConfigurableApplicationContext> {
private static final Pattern decodePasswordPattern = Pattern.compile("password\\((.*?)\\)");
private PasswordDecoder passwordDecoder = new JettyPasswordDecoder();
@Override
public void initialize(ConfigurableApplicationContext applicationContext) {
ConfigurableEnvironment environment = applicationContext.getEnvironment();
for (PropertySource<?> propertySource : environment.getPropertySources()) {
Map<String, Object> propertyOverrides = new LinkedHashMap<>();
decodePasswords(propertySource, propertyOverrides);
if (!propertyOverrides.isEmpty()) {
PropertySource<?> decodedProperties = new MapPropertySource("decoded "+ propertySource.getName(), propertyOverrides);
environment.getPropertySources().addBefore(propertySource.getName(), decodedProperties);
}
}
}
private void decodePasswords(PropertySource<?> source, Map<String, Object> propertyOverrides) {
if (source instanceof EnumerablePropertySource) {
EnumerablePropertySource<?> enumerablePropertySource = (EnumerablePropertySource<?>) source;
for (String key : enumerablePropertySource.getPropertyNames()) {
Object rawValue = source.getProperty(key);
if (rawValue instanceof String) {
String decodedValue = decodePasswordsInString((String) rawValue);
propertyOverrides.put(key, decodedValue);
}
}
}
}
private String decodePasswordsInString(String input) {
if (input == null) return null;
StringBuffer output = new StringBuffer();
Matcher matcher = decodePasswordPattern.matcher(input);
while (matcher.find()) {
String replacement = passwordDecoder.decode(matcher.group(1));
matcher.appendReplacement(output, replacement);
}
matcher.appendTail(output);
return output.toString();
}
}
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