1import org.springframework.boot.SpringApplication;
2import org.springframework.boot.env.EnvironmentPostProcessor;
3import org.springframework.core.env.ConfigurableEnvironment;
4import org.springframework.core.env.MutablePropertySources;
5import org.springframework.core.env.PropertySource;
6import org.springframework.core.env.SystemEnvironmentPropertySource;
7import com.ulisesbocchio.jasyptspringboot.EncryptablePropertyResolver;
8import com.ulisesbocchio.jasyptspringboot.EncryptablePropertySourceConverter;
9import com.ulisesbocchio.jasyptspringboot.environment.StandardEncryptableEnvironment;
10
11public class JasyptEnvironmentPostProcessor implements EnvironmentPostProcessor {
12
13    @Override
14    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
15        MutablePropertySources propertySources = environment.getPropertySources();
16
17        for (PropertySource<?> propertySource : propertySources) {
18            if (propertySource instanceof SystemEnvironmentPropertySource) {
19                SystemEnvironmentPropertySource systemEnvironmentPropertySource = (SystemEnvironmentPropertySource) propertySource;
20                // Create a new property source with decrypted values
21                DecryptingPropertySource decryptingPropertySource = new DecryptingPropertySource(systemEnvironmentPropertySource, environment);
22                propertySources.replace(systemEnvironmentPropertySource.getName(), decryptingPropertySource);
23                break; // Assuming only one SystemEnvironmentPropertySource
24            }
25        }
26    }
27
28    static class DecryptingPropertySource extends PropertySource<SystemEnvironmentPropertySource> {
29        private final SystemEnvironmentPropertySource delegate;
30        private final ConfigurableEnvironment environment;
31
32        public DecryptingPropertySource(SystemEnvironmentPropertySource delegate, ConfigurableEnvironment environment) {
33            super(delegate.getName(), delegate);
34            this.delegate = delegate;
35            this.environment = environment;
36        }
37
38        @Override
39        public Object getProperty(String name) {
40            Object encryptedValue = delegate.getProperty(name);
41            if (encryptedValue instanceof String) {
42                StandardEncryptableEnvironment encryptableEnvironment = new StandardEncryptableEnvironment(environment);
43                EncryptablePropertyResolver resolver = encryptableEnvironment.getPropertyResolver();
44                if (resolver.isEncryptedValue(encryptedValue.toString())) {
45                    return resolver.resolvePropertyValue(encryptedValue.toString());
46                }
47            }
48            return encryptedValue;
49        }
50    }
51}

1import org.springframework.boot.SpringApplication;
2import org.springframework.boot.env.EnvironmentPostProcessor;
3import org.springframework.core.env.ConfigurableEnvironment;
4import org.springframework.core.env.MutablePropertySources;
5import org.springframework.core.env.PropertySource;
6import org.springframework.core.env.SystemEnvironmentPropertySource;
7import com.ulisesbocchio.jasyptspringboot.EncryptablePropertyResolver;
8import com.ulisesbocchio.jasyptspringboot.EncryptablePropertySourceConverter;
9import com.ulisesbocchio.jasyptspringboot.environment.StandardEncryptableEnvironment;
10
11public class JasyptEnvironmentPostProcessor implements EnvironmentPostProcessor {
12
13    @Override
14    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
15        MutablePropertySources propertySources = environment.getPropertySources();
16
17        for (PropertySource<?> propertySource : propertySources) {
18            if (propertySource instanceof SystemEnvironmentPropertySource) {
19                SystemEnvironmentPropertySource systemEnvironmentPropertySource = (SystemEnvironmentPropertySource) propertySource;
20                // Create a new property source with decrypted values
21                DecryptingPropertySource decryptingPropertySource = new DecryptingPropertySource(systemEnvironmentPropertySource, environment);
22                propertySources.replace(systemEnvironmentPropertySource.getName(), decryptingPropertySource);
23                break; // Assuming only one SystemEnvironmentPropertySource
24            }
25        }
26    }
27
28    static class DecryptingPropertySource extends PropertySource<SystemEnvironmentPropertySource> {
29        private final SystemEnvironmentPropertySource delegate;
30        private final ConfigurableEnvironment environment;
31
32        public DecryptingPropertySource(SystemEnvironmentPropertySource delegate, ConfigurableEnvironment environment) {
33            super(delegate.getName(), delegate);
34            this.delegate = delegate;
35            this.environment = environment;
36        }
37
38        @Override
39        public Object getProperty(String name) {
40            Object encryptedValue = delegate.getProperty(name);
41            if (encryptedValue instanceof String) {
42                StandardEncryptableEnvironment encryptableEnvironment = new StandardEncryptableEnvironment(environment);
43                EncryptablePropertyResolver resolver = encryptableEnvironment.getPropertyResolver();
44                if (resolver.isEncryptedValue(encryptedValue.toString())) {
45                    return resolver.resolvePropertyValue(encryptedValue.toString());
46                }
47            }
48            return encryptedValue;
49        }
50    }
51}

1org.springframework.boot.env.EnvironmentPostProcessor=com.example.JasyptEnvironmentPostProcessor

1org.springframework.boot.env.EnvironmentPostProcessor=com.example.JasyptEnvironmentPostProcessor

1import org.springframework.beans.factory.config.YamlPropertiesFactoryBean;
2import org.springframework.core.env.PropertiesPropertySource;
3import org.springframework.core.env.PropertySource;
4import org.springframework.core.io.support.DefaultPropertySourceFactory;
5import org.springframework.core.io.support.EncodedResource;
6import java.io.IOException;
7import java.util.Properties;
8
9public class DecryptingPropertySourceFactory extends DefaultPropertySourceFactory {
10

1import org.springframework.beans.factory.config.YamlPropertiesFactoryBean;
2import org.springframework.core.env.PropertiesPropertySource;
3import org.springframework.core.env.PropertySource;
4import org.springframework.core.io.support.DefaultPropertySourceFactory;
5import org.springframework.core.io.support.EncodedResource;
6import java.io.IOException;
7import java.util.Properties;
8
9public class DecryptingPropertySourceFactory extends DefaultPropertySourceFactory {
10

1import org.springframework.context.annotation.PropertySource;
2import org.springframework.context.annotation.Configuration;
3
4@Configuration
5@PropertySource(value = "classpath:application.properties", factory = DecryptingPropertySourceFactory.class)
6public class AppConfig {
7    // ...
8}

1import org.springframework.context.annotation.PropertySource;
2import org.springframework.context.annotation.Configuration;
3
4@Configuration
5@PropertySource(value = "classpath:application.properties", factory = DecryptingPropertySourceFactory.class)
6public class AppConfig {
7    // ...
8}