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100 lines
3.4 KiB
100 lines
3.4 KiB
/*
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* Copyright 2019-2020 Zheng Jie
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package me.zhengjie.utils;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import lombok.extern.slf4j.Slf4j;
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import me.zhengjie.exception.BadRequestException;
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import me.zhengjie.utils.enums.DataScopeEnum;
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import org.springframework.http.HttpStatus;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.security.core.userdetails.UserDetails;
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import org.springframework.security.core.userdetails.UserDetailsService;
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import java.util.List;
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/**
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* 获取当前登录的用户
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* @author Zheng Jie
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* @date 2019-01-17
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*/
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@Slf4j
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public class SecurityUtils {
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/**
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* 获取当前登录的用户
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* @return UserDetails
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*/
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public static UserDetails getCurrentUser() {
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UserDetailsService userDetailsService = SpringContextHolder.getBean(UserDetailsService.class);
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return userDetailsService.loadUserByUsername(getCurrentUsername());
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}
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/**
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* 获取系统用户名称
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*
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* @return 系统用户名称
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*/
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public static String getCurrentUsername() {
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final Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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if (authentication == null) {
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throw new BadRequestException(HttpStatus.UNAUTHORIZED, "当前登录状态过期");
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}
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if (authentication.getPrincipal() instanceof UserDetails) {
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UserDetails userDetails = (UserDetails) authentication.getPrincipal();
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return userDetails.getUsername();
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}
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throw new BadRequestException(HttpStatus.UNAUTHORIZED, "找不到当前登录的信息");
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}
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/**
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* 获取系统用户ID
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* @return 系统用户ID
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*/
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public static Long getCurrentUserId() {
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UserDetails userDetails = getCurrentUser();
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// 将 Java 对象转换为 JSONObject 对象
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JSONObject jsonObject = (JSONObject) JSON.toJSON(userDetails);
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return jsonObject.getJSONObject("user").getLong("id");
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}
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/**
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* 获取当前用户的数据权限
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* @return /
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*/
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public static List<Long> getCurrentUserDataScope(){
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UserDetails userDetails = getCurrentUser();
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// 将 Java 对象转换为 JSONObject 对象
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JSONObject jsonObject = (JSONObject) JSON.toJSON(userDetails);
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JSONArray jsonArray = jsonObject.getJSONArray("dataScopes");
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return JSON.parseArray(jsonArray.toJSONString(), Long.class);
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}
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/**
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* 获取数据权限级别
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* @return 级别
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*/
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public static String getDataScopeType() {
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List<Long> dataScopes = getCurrentUserDataScope();
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if(dataScopes.size() != 0){
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return "";
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}
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return DataScopeEnum.ALL.getValue();
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}
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}
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