content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.
   */
  package org.apache.camel.component.jasypt.springboot;
  
  import org.apache.camel.component.jasypt.JasyptPropertiesParser;
  import org.apache.camel.component.properties.PropertiesParser;
  import org.apache.camel.util.ObjectHelper;
  import org.apache.camel.util.StringHelper;
  import org.jasypt.encryption.StringEncryptor;
  import org.jasypt.encryption.pbe.config.EnvironmentStringPBEConfig;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
  import org.springframework.boot.origin.OriginTrackedValue;
  import org.springframework.context.ApplicationListener;
  import org.springframework.core.env.ConfigurableEnvironment;
  import org.springframework.core.env.MapPropertySource;
  import org.springframework.core.env.PropertiesPropertySource;
  import org.springframework.core.env.PropertySource;
  
  import java.util.Properties;
  
  public class SpringBootJasyptPropertiesParser implements ApplicationListener<ApplicationEnvironmentPreparedEvent> {
      private static final Logger LOG = LoggerFactory.getLogger(SpringBootJasyptPropertiesParser.class);
  
      public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
          ConfigurableEnvironment environment = event.getEnvironment();
  
          // Manual Autoconfigure jasypt component
          JasyptEncryptedPropertiesAutoconfiguration jasyptEncryptedPropertiesAutoconfiguration = new JasyptEncryptedPropertiesAutoconfiguration();
          JasyptEncryptedPropertiesConfiguration jasyptEncryptedPropertiesConfiguration =
                  jasyptEncryptedPropertiesAutoconfiguration.JasyptEncryptedPropertiesAutoconfiguration(event.getEnvironment());
  
          if (jasyptEncryptedPropertiesConfiguration != null && jasyptEncryptedPropertiesConfiguration.isEarlyDecryptionEnabled()) {
              // Too early in the lifecycle, the property has to be resolved manually
              String password = jasyptEncryptedPropertiesConfiguration.getPassword();
              if (password.startsWith("sysenv:")) {
                  password = System.getenv(StringHelper.after(password, "sysenv:"));
              }
              if (ObjectHelper.isNotEmpty(password) && password.startsWith("sys:")) {
                  password = System.getProperty(StringHelper.after(password, "sys:"));
              }
              jasyptEncryptedPropertiesConfiguration.setPassword(password);
  
              EnvironmentStringPBEConfig environmentStringPBEConfig =
                      jasyptEncryptedPropertiesAutoconfiguration.environmentVariablesConfiguration(jasyptEncryptedPropertiesConfiguration);
              StringEncryptor stringEncryptor =
                      jasyptEncryptedPropertiesAutoconfiguration.stringEncryptor(environmentStringPBEConfig);
              EncryptablePropertySourcesPlaceholderConfigurer encryptablePropertySourcesPlaceholderConfigurer =
                      jasyptEncryptedPropertiesAutoconfiguration.propertyConfigurer(stringEncryptor);
              PropertiesParser propertiesParser = jasyptEncryptedPropertiesAutoconfiguration.encryptedPropertiesParser(environment,
                      stringEncryptor,
                      environment);
  
              final Properties props = new Properties();
              for (PropertySource mutablePropertySources : event.getEnvironment().getPropertySources()) {
                  if (mutablePropertySources instanceof MapPropertySource mapPropertySource) {
                      mapPropertySource.getSource().forEach((key, value) -> {
                          if (value instanceof OriginTrackedValue originTrackedValue &&
                                  originTrackedValue.getValue() instanceof String stringValue &&
                                  stringValue.startsWith(JasyptPropertiesParser.JASYPT_PREFIX_TOKEN) &&
                                  stringValue.endsWith(JasyptPropertiesParser.JASYPT_SUFFIX_TOKEN)) {
  
                              LOG.debug("decrypting and overriding property {}", key);
                              try {
                                  props.put(key, propertiesParser.parseProperty(key.toString(), stringValue, null));
                              } catch (Exception e) {
                                  // Log and do nothing
                                  LOG.debug("failed to parse property {}", key, e);
                              }
                          }
                      });
                  }
              }
  
              environment.getPropertySources().addFirst(new PropertiesPropertySource("overridden-camel-jasypt-properties", props));
          }
      }
  }
  
  