Spring Boot 整合 Security 权限控制-4:解决 Security 跨域

修改 pom 文件, 使其支持 jdk1.8

<plugin.compiler.version>2.0.2</plugin.compiler.version>
 
 
<!-- 设置 java sdk 版本 -->
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>${plugin.compiler.version}</version>
    <configuration>
        <source>${system.java.version}</source>
        <target>${system.java.version}</target>
    </configuration>
</plugin>

• 修改 Security 配置文件使其支持跨域(使用 SpringBoot 内置跨域(不友好))

@Override
protected void configure(HttpSecurity http) throws Exception {
    // 允许直接访问/路径
    http.authorizeRequests().antMatchers("/").permitAll()
            // 使其支持跨域
            .requestMatchers(CorsUtils :: isPreFlightRequest).permitAll()
            // 其他路径需要授权访问
            .anyRequest().authenticated()
            // 指定登录页面
            .and().formLogin().loginPage("/user/login")
            // 登录成功后的默认路径
            .defaultSuccessUrl("/").permitAll()
            // 退出登录后的默认路径
            .and().logout().logoutSuccessUrl("/user/login").permitAll();
}

使用html 页面进行跨域, 即每次请求将后台的跨域字符串写到前端页面隐藏域, 每次请求的时候在携带这两个隐藏域值访问后台请求(不推荐)

• 在 config 目录中创建 CorsConfig 跨域配置文件(用户自定义实现跨域)

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.edurt.config;
 
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
 
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
 
/**
 * CorsConfig <br/>
 * 描述 : CorsConfig <br/>
 * 作者 : qianmoQ <br/>
 * 版本 : 1.0 <br/>
 * 创建时间 : 2018-03-20 下午3:15 <br/>
 * 联系作者 : <a href="mailTo:shichengoooo@163.com">qianmoQ</a>
 */
@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class CorsConfig implements Filter {
 
    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        HttpServletRequest request = (HttpServletRequest) req;
        // 配置跨域请求的主机/ip
        response.setHeader("Access-Control-Allow-Origin", "*");
        // 配置跨域请求的方法
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        // 配置跨域请求的缓冲时间
        response.setHeader("Access-Control-Max-Age", "3600");
        // 配置跨域的 header 头信息
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with, authorization");
        if ("OPTIONS".equalsIgnoreCase(request.getMethod())) {
            response.setStatus(HttpServletResponse.SC_OK);
        } else {
            chain.doFilter(req, res);
        }
    }
 
    @Override
    public void init(FilterConfig filterConfig) {
    }
 
    @Override
    public void destroy() {
    }
 
}

spring Security 3默认关闭csrf，Spring Security 4默认启动了csrf. 加上
.csrf().disable()即可关闭csrf

修改App 应用入口文件配置扫描路径

package com.edurt;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
 
/**
 * Hello world!
 */
@SpringBootApplication
// 设置扫描路径
@ComponentScan(value = "com.edurt")
public class App {
 
    public static void main(String[] args) {
        SpringApplication.run(App.class, args);
    }
 
}