com.cloudimpl.outstack.spring.security.SecurityProperties Maven / Gradle / Ivy

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package com.cloudimpl.outstack.spring.security;

import java.io.UnsupportedEncodingException;
import java.util.Base64;
import java.util.logging.Level;
import java.util.logging.Logger;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

@Data
@ConfigurationProperties(prefix = "jwt-auth")
@Slf4j
public class SecurityProperties {

    private Resource publicKeyFile = ResourceSelector.load("jwtauth.crt");
    private Resource privateKeyFile = ResourceSelector.load("jwtauth.jks");

    public static final class ResourceSelector {

        public static Resource load(String resourceName) {
            String r = resourceName.replaceAll("\\.", "_");
            String val = System.getenv(r);
            if (val == null) {
                log.info("resource {} loaded from classpath",resourceName);
                return new ClassPathResource(resourceName);
            } else {
                    log.info("resource {} loaded from environment variable {}",resourceName,r);
                    return new ByteArrayResource(Base64.getDecoder().decode(val.replaceAll(" ","")));
            }
        }

    }

}