1/生成證書
直接使用java自帶的命令keytool來生成,生成命令如下:
keytool -genkey -alias server -storetype PKCS12 -keyalg RSA -keysize 2048 -keystore keystore.p12 -validity 3650
各個參數的含義:
0.-alias 別名
1.-storetype 指定密鑰倉庫類型
2.-keyalg 生證書的算法名稱,RSA是一種非對稱加密算法
3.-keysize 證書大小
4.-keystore 生成的證書文件的存儲路徑
5.-validity 證書的有效期
如下圖所示:
2/application.properties文件配置證書,啓用HTTPS
生成證書後,將keystone文件拷貝到我們項目的src/main/resources下,然後修改application.properties文件,添加HTTPS支持。在application.properties中添加如下代碼:
#SpringBoot啓動端口指定
server.port=9999
# 證書目錄
server.ssl.key-store=classpath:keystore.p12
server.ssl.key-store-password=QC_class
server.ssl.key-store-type=PKCS12
server.ssl.key-alias=server
如下圖所示:
3/添加SSL配置類,開啓HTTP自動轉向HTTPS
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.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* SSLConfig
*
* @author QC班長
* @since 2019/12/25
*/
@Configuration
public class SSLConfig {
//SSLConfig
@Bean
public TomcatServletWebServerFactory servletContainer() { //springboot2 新變化
TomcatServletWebServerFactory tomcatServletWebServerFactory = new TomcatServletWebServerFactory() {
@Override
protected void postProcessContext(Context context) {
SecurityConstraint securityConstraint = new SecurityConstraint();
securityConstraint.setUserConstraint("CONFIDENTIAL");
SecurityCollection collection = new SecurityCollection();
collection.addPattern("/*");
securityConstraint.addCollection(collection);
context.addConstraint(securityConstraint);
}
};
Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
connector.setScheme("http");
connector.setPort(8080);//Connector監聽的http的端口號,端口號可以自己指定
connector.setSecure(false);
connector.setRedirectPort(9999);//監聽到http的端口號後轉向到的https的端口號,端口號可以自己指定
tomcatServletWebServerFactory.addAdditionalTomcatConnectors(connector);
return tomcatServletWebServerFactory;
}
}