package com.ruoyi.framework.aspectj;
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import com.ruoyi.common.annotation.DataScope;
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import com.ruoyi.common.core.domain.BaseEntity;
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import com.ruoyi.common.core.domain.entity.SysRole;
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import com.ruoyi.common.core.domain.entity.SysUser;
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import com.ruoyi.common.core.domain.model.LoginUser;
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import com.ruoyi.common.core.service.UserService;
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import com.ruoyi.common.utils.SecurityUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.reflect.ReflectUtils;
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import com.ruoyi.common.utils.spring.SpringUtils;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.springframework.stereotype.Component;
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import java.util.Map;
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/**
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* 数据过滤处理
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*
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* @author Lion Li
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*/
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@Aspect
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@Component
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public class DataScopeAspect {
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/**
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* 全部数据权限
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*/
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public static final String DATA_SCOPE_ALL = "1";
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/**
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* 自定数据权限
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*/
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public static final String DATA_SCOPE_CUSTOM = "2";
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/**
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* 部门数据权限
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*/
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public static final String DATA_SCOPE_DEPT = "3";
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/**
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* 部门及以下数据权限
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*/
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public static final String DATA_SCOPE_DEPT_AND_CHILD = "4";
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/**
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* 仅本人数据权限
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*/
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public static final String DATA_SCOPE_SELF = "5";
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/**
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* 数据权限过滤关键字
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*/
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public static final String DATA_SCOPE = "dataScope";
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@Before("@annotation(controllerDataScope)")
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public void doBefore(JoinPoint point, DataScope controllerDataScope) throws Throwable {
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clearDataScope(point);
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handleDataScope(point, controllerDataScope);
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}
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protected void handleDataScope(final JoinPoint joinPoint, DataScope controllerDataScope) {
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// 获取当前的用户
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LoginUser loginUser = SecurityUtils.getLoginUser();
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if (StringUtils.isNotNull(loginUser)) {
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SysUser currentUser = SpringUtils.getBean(UserService.class).selectUserById(loginUser.getUserId());
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// 如果是超级管理员，则不过滤数据
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if (StringUtils.isNotNull(currentUser) && !currentUser.isAdmin()) {
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dataScopeFilter(joinPoint, currentUser, controllerDataScope.deptAlias(),
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controllerDataScope.userAlias(), controllerDataScope.isUser());
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}
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}
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}
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/**
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* 数据范围过滤
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*
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* @param joinPoint 切点
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* @param user 用户
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* @param userAlias 别名
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*/
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public static void dataScopeFilter(JoinPoint joinPoint, SysUser user, String deptAlias, String userAlias, boolean isUser) {
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StringBuilder sqlString = new StringBuilder();
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// 将 "." 提取出,不写别名为单表查询,写别名为多表查询
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deptAlias = StringUtils.isNotBlank(deptAlias) ? deptAlias + "." : "";
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userAlias = StringUtils.isNotBlank(userAlias) ? userAlias + "." : "";
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for (SysRole role : user.getRoles()) {
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String dataScope = role.getDataScope();
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if (DATA_SCOPE_ALL.equals(dataScope)) {
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sqlString = new StringBuilder();
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break;
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} else if (DATA_SCOPE_CUSTOM.equals(dataScope)) {
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sqlString.append(StringUtils.format(
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" OR {}dept_id IN ( SELECT dept_id FROM sys_role_dept WHERE role_id = {} ) ",
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deptAlias, role.getRoleId()));
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} else if (DATA_SCOPE_DEPT.equals(dataScope)) {
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sqlString.append(StringUtils.format(" OR {}dept_id = {} ",
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deptAlias, user.getDeptId()));
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} else if (DATA_SCOPE_DEPT_AND_CHILD.equals(dataScope)) {
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sqlString.append(StringUtils.format(
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" OR {}dept_id IN ( SELECT dept_id FROM sys_dept WHERE dept_id = {} or find_in_set( {} , ancestors ) )",
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deptAlias, user.getDeptId(), user.getDeptId()));
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} else if (DATA_SCOPE_SELF.equals(dataScope)) {
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if (isUser) {
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sqlString.append(StringUtils.format(" OR {}user_id = {} ",
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userAlias, user.getUserId()));
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} else {
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// 数据权限为仅本人且没有userAlias别名不查询任何数据
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sqlString.append(" OR 1=0 ");
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}
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}
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}
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if (StringUtils.isNotBlank(sqlString.toString())) {
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putDataScope(joinPoint, sqlString.substring(4));
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}
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}
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/**
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* 拼接权限sql前先清空params.dataScope参数防止注入
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*/
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private void clearDataScope(final JoinPoint joinPoint) {
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Object params = joinPoint.getArgs()[0];
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if (StringUtils.isNotNull(params)) {
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putDataScope(joinPoint, "");
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}
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}
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private static void putDataScope(JoinPoint joinPoint, String sql) {
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Object params = joinPoint.getArgs()[0];
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if (StringUtils.isNotNull(params)) {
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if (params instanceof BaseEntity) {
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BaseEntity baseEntity = (BaseEntity) params;
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baseEntity.getParams().put(DATA_SCOPE, sql);
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} else {
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Map<String, Object> invoke = ReflectUtils.invokeGetter(params, "params");
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invoke.put(DATA_SCOPE, sql);
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}
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}
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}
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}
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