SpringBoot2.0+Shiro+JWT 整合
JSON Web Token（JWT）是一个非常轻巧的规范。这个规范允许我们使用 JWT 在用户和服务器之间传递安全可靠的信息。 我们利用一定的编码生成 Token，并在 Token 中加入一些非敏感信息，将其传递。
安装环境
开发工具：STS
Maven版本：apache-maven-3.5.2
java jdk 1.8
MySQL版本：5.7
系统：Windows10
一.新建Maven项目
配置Maven项目的pom.xml文件
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>cn.codepeople</groupId>
<artifactId>SpringBoot-Shiro-JWT</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<log4j.version>1.2.17</log4j.version>
<shiro.version>1.4.0</shiro.version>
<com.alibaba.druid.version>1.1.10</com.alibaba.druid.version>
<mysql.version>5.1.47</mysql.version>
<mybatis.version>2.0.0</mybatis.version>
<jwt.version>3.8.0</jwt.version>
<swagger2.version>2.8.0</swagger2.version>
</properties>
<dependencies>
<!-- spring boot -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-log4j2 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-log4j2</artifactId>
</dependency>
<!-- 引入shiro的spring整合框架 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>${shiro.version}</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>${com.alibaba.druid.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis.spring.boot/mybatis-spring-boot-starter -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>${mybatis.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<scope>provided</scope>
</dependency>
<!-- Apache Commons -->
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.2</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.54</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.auth0/java-jwt -->
<dependency>
<groupId>com.auth0</groupId>
<artifactId>java-jwt</artifactId>
<version>${jwt.version}</version>
</dependency>
<!-- swagger -->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${swagger2.version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${swagger2.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
<!-- 打包时拷贝MyBatis的映射文件 -->
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.*</include>
</includes>
<filtering>true</filtering>
</resource>
</resources>
</build>
</project>
二.准备shiro和jwt工具和相关类
JWTFilter.java
/**
* @Title: JWTFilter.java
* @Package www.codepeople.cn.shiro
* @Description:
* Copyright: Copyright (c) 2019 www.codepeople.cn Inc. All rights reserved.
* Website: www.codepeople.cn
* @Author 刘仁
* @DateTime 2019年4月1日 下午4:52:19
* @version V1.0
*/
package www.codepeople.cn.shiro;
import java.io.IOException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.shiro.web.filter.authc.BasicHttpAuthenticationFilter;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.RequestMethod;
import lombok.extern.slf4j.Slf4j;
/**
* @ClassName: JWTFilter
* @Description:
* @Author 刘仁
* @DateTime 2019年4月1日 下午4:52:19
*/
@Slf4j
public class JWTFilter extends BasicHttpAuthenticationFilter{
/**
* 判断用户是否想要登入。
* 检测header里面是否包含Authorization字段即可
*/
@Override
protected boolean isLoginAttempt(ServletRequest request, ServletResponse response) {
HttpServletRequest req = (HttpServletRequest) request;
String authorization = req.getHeader("Authorization");
log.info("判断用户是否想要登录：{}",authorization);
return authorization != null;
}
/**
*
*/
@Override
protected boolean executeLogin(ServletRequest request, ServletResponse response) throws Exception {
HttpServletRequest httpServletRequest = (HttpServletRequest) request;
String authorization = httpServletRequest.getHeader("Authorization");
log.info("判断用户是否想要登录x：{}",authorization);
JWTToken token = new JWTToken(authorization);
// 提交给realm进行登入，如果错误他会抛出异常并被捕获
getSubject(request, response).login(token);
// 如果没有抛出异常则代表登入成功，返回true
return true;
}
/**
* 这里我们详细说明下为什么最终返回的都是true，即允许访问
* 例如我们提供一个地址 GET /article
* 登入用户和游客看到的内容是不同的
* 如果在这里返回了false，请求会被直接拦截，用户看不到任何东西
* 所以我们在这里返回true，Controller中可以通过 subject.isAuthenticated() 来判断用户是否登入
* 如果有些资源只有登入用户才能访问，我们只需要在方法上面加上 @RequiresAuthentication 注解即可
* 但是这样做有一个缺点，就是不能够对GET,POST等请求进行分别过滤鉴权(因为我们重写了官方的方法)，但实际上对应用影响不大
*/
@Override
protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) {
if (isLoginAttempt(request, response)) {
try {
executeLogin(request, response);
} catch (Exception e) {
response401(request, response);
}
}
return true;
}
/**
* 对跨域提供支持
*/
@Override
protected boolean preHandle(ServletRequest request, ServletResponse response) throws Exception {
HttpServletRequest httpServletRequest = (HttpServletRequest) request;
HttpServletResponse httpServletResponse = (HttpServletResponse) response;
httpServletResponse.setHeader("Access-control-Allow-Origin", httpServletRequest