项目代码

package com.hst.ces.config;

import io.undertow.Undertow;
import io.undertow.UndertowOptions;
import io.undertow.servlet.api.SecurityConstraint;
import io.undertow.servlet.api.SecurityInfo;
import io.undertow.servlet.api.TransportGuaranteeType;
import io.undertow.servlet.api.WebResourceCollection;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.web.embedded.undertow.UndertowServletWebServerFactory;
import org.springframework.boot.web.servlet.server.ServletWebServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @author SunYang
 * @version 1.0
 * @description: 容器https配置
 * @date 2021/01/19 20:22
 */
@Configuration
@ConditionalOnProperty(name = "server.ssl.enabled", havingValue = "true")
public class HttpsConfig {

    /**
     * http服务端口
     */
    @Value("${server.http.port}")
    private Integer httpPort;

    /**
     * https服务端口
     */
    @Value("${server.port}")
    private Integer httpsPort;

    /**
     * http服务模式配置
     */
    @Bean
    public ServletWebServerFactory undertowFactory() {
        UndertowServletWebServerFactory undertowFactory = new UndertowServletWebServerFactory();
        undertowFactory.addBuilderCustomizers((Undertow.Builder builder) -> {
            builder.addHttpListener(httpPort, "0.0.0.0");
            // 开启HTTP2
            builder.setServerOption(UndertowOptions.ENABLE_HTTP2, true);
        });
        //二维码地址下载使用http,客户端不支持HTTPS下载升级文件
        undertowFactory.addDeploymentInfoCustomizers(deploymentInfo ->
                deploymentInfo.addSecurityConstraint(
                        new SecurityConstraint()
                                .addWebResourceCollection(new WebResourceCollection()
                                        .addUrlPatterns(
                                                "/serv/v1/index/down",
                                                "/serv/v1/index/version",
                                                "/conf/v1/product/version/down/*"
                                        ))
                                .setTransportGuaranteeType(TransportGuaranteeType.NONE)
                                .setEmptyRoleSemantic(SecurityInfo.EmptyRoleSemantic.PERMIT)
                )
        );
        // 业务资源请求自动跳转至HTTPS
        undertowFactory.addDeploymentInfoCustomizers(deploymentInfo ->
                deploymentInfo.addSecurityConstraint(
                        new SecurityConstraint()
                                .addWebResourceCollection(new WebResourceCollection().addUrlPattern("/*"))
                                .setTransportGuaranteeType(TransportGuaranteeType.CONFIDENTIAL)
                                .setEmptyRoleSemantic(SecurityInfo.EmptyRoleSemantic.PERMIT)
                ).setConfidentialPortManager(exchange -> httpsPort)
        );
        return undertowFactory;
    }
}

实例分析

上面一个对指定路径拦截，NONE代表不做任何处理并将拦截的路径不转为https协议，下面的则是全量拦截都转为https协议。

配置文件

证书则参考文章头的链接，一般我们项目的证书是阿里上面申请的或者厂商提供的。

结果-------------------》
输入http:127.0.0.1:8080会跳转到https://localhost：8443

配置文件部分参考链接参考链接