这里使用 aop 来实现权限验证
引入依赖
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<dependency>
<groupid>org.springframework.boot</groupid>
<artifactid>spring-boot-starter-aop</artifactid>
</dependency>
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定义注解
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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();
}
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拦截实现登录和权限验证
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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);
}
}
}
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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
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/**
* 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);
}
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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服务器之家。
原文链接：https://segmentfault.com/a/1190000017131530