SpringBoot2.0如何启用https协议

SpringBoot2.0之后，启用https协议的方式与1.*时有点儿不同，贴一下代码。

我的代码能够根据配置参数中的condition.http2https，确定是否启用https协议，如果启用https协议时，会将所有http协议的访问，自动转到https协议上。

一、启动程序 

package com.wallimn.iteye.sp.asset;
import org.apache.catalina.Context;
import org.apache.catalina.connector.Connector;
import org.apache.tomcat.util.descriptor.web.SecurityCollection;
import org.apache.tomcat.util.descriptor.web.SecurityConstraint;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.context.annotation.Bean; 

/**
 * SpringBoot2.0启动程序
 * @author wallimn，http://wallimn.iteye.com
 *
 */
@SpringBootApplication
public class AssetApplication { 

  public static void main(String[] args) {
    SpringApplication.run(AssetApplication.class, args);
  }
  //如果没有使用默认值80
  @Value("${http.port:80}")
  Integer httpPort; 

  //正常启用的https端口 如443
  @Value("${server.port}")
  Integer httpsPort; 

  // springboot2 写法
  @Bean
  @ConditionalOnProperty(name="condition.http2https",havingValue="true", matchIfMissing=false)
  public TomcatServletWebServerFactory servletContainer() {
    TomcatServletWebServerFactory tomcat = new TomcatServletWebServerFactory() {
      @Override
      protected void postProcessContext(Context context) {
        SecurityConstraint constraint = new SecurityConstraint();
        constraint.setUserConstraint("CONFIDENTIAL");
        SecurityCollection collection = new SecurityCollection();
        collection.addPattern("/*");
        constraint.addCollection(collection);
        context.addConstraint(constraint);
      }
    };
    tomcat.addAdditionalTomcatConnectors(httpConnector());
    return tomcat;
  } 

  @Bean
  @ConditionalOnProperty(name="condition.http2https",havingValue="true", matchIfMissing=false)
  public Connector httpConnector() {
    System.out.println("启用http转https协议，http端口："+this.httpPort+"，https端口："+this.httpsPort);
    Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
    connector.setScheme("http");
    //Connector监听的http的端口号
    connector.setPort(httpPort);
    connector.setSecure(false);
    //监听到http的端口号后转向到的https的端口号
    connector.setRedirectPort(httpsPort);
    return connector;
  }}

二、配置文件

1.使用http协议时的配置

server.port=80 

2.使用https及http协议时的配置

server.port=443
server.ssl.key-store=classpath:keystore.p12
server.ssl.key-store-password=your-password
server.ssl.keyStoreType=PKCS12
server.ssl.keyAlias=your-cert-alias
condition.http2https=true
http.port=80

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