spring boot 利用注解实现权限验证的实现代码

这里使用 aop 来实现权限验证

引入依赖

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>

定义注解

package com.lmxdawn.api.admin.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
* 后台登录授权/权限验证的注解
*/
//此注解只能修饰方法
@Target(ElementType.METHOD)
//当前注解如何去保持
@Retention(RetentionPolicy.RUNTIME)
public @interface AuthRuleAnnotation {
String value();
}

拦截实现登录和权限验证

package com.lmxdawn.api.admin.aspect;

import com.lmxdawn.api.admin.annotation.AuthRuleAnnotation;
import com.lmxdawn.api.admin.enums.ResultEnum;
import com.lmxdawn.api.admin.exception.JsonException;
import com.lmxdawn.api.admin.service.auth.AuthLoginService;
import com.lmxdawn.api.common.utils.JwtUtils;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.lang.reflect.Method;
import java.util.List;

/**
* 登录验证 AOP
*/
@Aspect
@Component
@Slf4j
public class AuthorizeAspect {

@Resource
private AuthLoginService authLoginService;

@Pointcut("@annotation(com.lmxdawn.api.admin.annotation.AuthRuleAnnotation)")
public void adminLoginVerify() {
}

/**
* 登录验证
*
* @param joinPoint
*/
@Before("adminLoginVerify()")
public void doAdminAuthVerify(JoinPoint joinPoint) {

ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
if (attributes == null) {
throw new JsonException(ResultEnum.NOT_NETWORK);
}
HttpServletRequest request = attributes.getRequest();

String id = request.getHeader("X-Adminid");

Long adminId = Long.valueOf(id);

String token = request.getHeader("X-Token");
if (token == null) {
throw new JsonException(ResultEnum.LOGIN_VERIFY_FALL);
}

// 验证 token
Claims claims = JwtUtils.parse(token);
if (claims == null) {
throw new JsonException(ResultEnum.LOGIN_VERIFY_FALL);
}
Long jwtAdminId = Long.valueOf(claims.get("admin_id").toString());
if (adminId.compareTo(jwtAdminId) != 0) {
throw new JsonException(ResultEnum.LOGIN_VERIFY_FALL);
}

// 判断是否进行权限验证
MethodSignature signature = (MethodSignature) joinPoint.getSignature();
//从切面中获取当前方法
Method method = signature.getMethod();
//得到了方,提取出他的注解
AuthRuleAnnotation action = method.getAnnotation(AuthRuleAnnotation.class);
// 进行权限验证
authRuleVerify(action.value(), adminId);
}

/**
* 权限验证
*
* @param authRule
*/
private void authRuleVerify(String authRule, Long adminId) {

if (authRule != null && authRule.length() > 0) {

List<String> authRules = authLoginService.listRuleByAdminId(adminId);
// admin 为最高权限
for (String item : authRules) {
if (item.equals("admin") || item.equals(authRule)) {
return;
}
}
throw new JsonException(ResultEnum.AUTH_FAILED);
}

}

}

Controller 中使用

使用 AuthRuleAnnotation 注解, value 值就是在数据库里面定义的 权限规则名称

/**
* 获取管理员列表
*/
@AuthRuleAnnotation("admin/auth/admin/index")
@GetMapping("/admin/auth/admin/index")
public ResultVO index(@Valid AuthAdminQueryForm authAdminQueryForm,
BindingResult bindingResult) {

if (bindingResult.hasErrors()) {
return ResultVOUtils.error(ResultEnum.PARAM_VERIFY_FALL, bindingResult.getFieldError().getDefaultMessage());
}

if (authAdminQueryForm.getRoleId() != null) {
List<AuthRoleAdmin> authRoleAdmins = authRoleAdminService.listByRoleId(authAdminQueryForm.getRoleId());
List<Long> ids = new ArrayList<>();
if (authRoleAdmins != null && !authRoleAdmins.isEmpty()) {
ids = authRoleAdmins.stream().map(AuthRoleAdmin::getAdminId).collect(Collectors.toList());
}
authAdminQueryForm.setIds(ids);
}
List<AuthAdmin> authAdminList = authAdminService.listAdminPage(authAdminQueryForm);

// 查询所有的权限
List<Long> adminIds = authAdminList.stream().map(AuthAdmin::getId).collect(Collectors.toList());
List<AuthRoleAdmin> authRoleAdminList = authRoleAdminService.listByAdminIdIn(adminIds);

// 视图列表
List<AuthAdminVo> authAdminVoList = authAdminList.stream().map(item -> {
AuthAdminVo authAdminVo = new AuthAdminVo();
BeanUtils.copyProperties(item, authAdminVo);
List<Long> roles = authRoleAdminList.stream()
.filter(authRoleAdmin -> authAdminVo.getId().equals(authRoleAdmin.getAdminId()))
.map(AuthRoleAdmin::getRoleId)
.collect(Collectors.toList());
authAdminVo.setRoles(roles);
return authAdminVo;
}).collect(Collectors.toList());

PageInfo<AuthAdmin> authAdminPageInfo = new PageInfo<>(authAdminList);
PageSimpleVO<AuthAdminVo> authAdminPageSimpleVO = new PageSimpleVO<>();
authAdminPageSimpleVO.setTotal(authAdminPageInfo.getTotal());
authAdminPageSimpleVO.setList(authAdminVoList);

return ResultVOUtils.success(authAdminPageSimpleVO);

}

相关地址

GitHub 地址: https://github.com/lmxdawn/vue-admin-java

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

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