疯狂的狮子Li
4 years ago
parent
79fc16eeb7
commit
aae3fe5305
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package com.ruoyi.common.annotation;
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import java.lang.annotation.*;
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/**
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* 数据权限
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*
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* @author Lion Li
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*/
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@Target(ElementType.METHOD)
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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public @interface DataColumn {
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/**
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* 占位符关键字
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*/
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String key() default "deptName";
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/**
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* 占位符替换值
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*/
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String value() default "dept_id";
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}
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package com.ruoyi.common.annotation;
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import java.lang.annotation.*;
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/**
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* 数据权限组
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*
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* @author Lion Li
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*/
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@Target(ElementType.METHOD)
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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public @interface DataPermission {
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DataColumn[] value();
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}
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package com.ruoyi.common.enums;
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import com.ruoyi.common.utils.StringUtils;
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import lombok.AllArgsConstructor;
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import lombok.Getter;
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/**
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* 数据权限类型
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*
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* 语法支持 spel 模板表达式
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*
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* 内置数据 user 当前用户 内容参考 SysUser
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* 如需扩展数据 需往 SysUser 内注入
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* 内置服务 sdss 系统数据权限服务 内容参考 SysDataScopeService
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* 如需扩展更多自定义服务 可以参考 sdss 自行编写
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*
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* @author Lion Li
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*/
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@Getter
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@AllArgsConstructor
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public enum DataScopeType {
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/**
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* 全部数据权限
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*/
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ALL("1", ""),
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/**
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* 自定数据权限
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*/
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CUSTOM("2", " #{#deptName} IN ( #{@sdss.getRoleCustom( #user.roleId )} ) "),
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/**
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* 部门数据权限
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*/
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DEPT("3", " #{#deptName} = #{#user.deptId} "),
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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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DEPT_AND_CHILD("4", " #{#deptName} IN ( #{@sdss.getDeptAndChild( #user.deptId )} )"),
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/**
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* 仅本人数据权限
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*/
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SELF("5", " #{#userName?:1} = #{#user.userId} ");
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private final String code;
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/**
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* 语法 采用 spel 模板表达式
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*/
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private final String sql;
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public static DataScopeType findCode(String code) {
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if (StringUtils.isBlank(code)) {
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return null;
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}
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for (DataScopeType type : values()) {
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if (type.getCode().equals(code)) {
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return type;
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}
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}
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return null;
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}
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}
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package com.ruoyi.framework.Interceptor;
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import com.baomidou.mybatisplus.core.plugins.InterceptorIgnoreHelper;
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import com.baomidou.mybatisplus.core.toolkit.PluginUtils;
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import com.baomidou.mybatisplus.extension.parser.JsqlParserSupport;
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import com.baomidou.mybatisplus.extension.plugins.inner.InnerInterceptor;
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import com.ruoyi.framework.handler.PlusDataPermissionHandler;
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import net.sf.jsqlparser.expression.Expression;
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import net.sf.jsqlparser.statement.delete.Delete;
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import net.sf.jsqlparser.statement.select.PlainSelect;
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import net.sf.jsqlparser.statement.select.Select;
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import net.sf.jsqlparser.statement.select.SelectBody;
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import net.sf.jsqlparser.statement.select.SetOperationList;
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import net.sf.jsqlparser.statement.update.Update;
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import org.apache.ibatis.executor.Executor;
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import org.apache.ibatis.executor.statement.StatementHandler;
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import org.apache.ibatis.mapping.BoundSql;
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import org.apache.ibatis.mapping.MappedStatement;
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import org.apache.ibatis.mapping.SqlCommandType;
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import org.apache.ibatis.session.ResultHandler;
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import org.apache.ibatis.session.RowBounds;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.List;
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public class PlusDataPermissionInterceptor extends JsqlParserSupport implements InnerInterceptor {
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private final PlusDataPermissionHandler dataPermissionHandler = new PlusDataPermissionHandler();
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@Override
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public void beforeQuery(Executor executor, MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler, BoundSql boundSql) throws SQLException {
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if (InterceptorIgnoreHelper.willIgnoreDataPermission(ms.getId())) {
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return;
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}
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PluginUtils.MPBoundSql mpBs = PluginUtils.mpBoundSql(boundSql);
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mpBs.sql(parserSingle(mpBs.sql(), ms.getId()));
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}
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@Override
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public void beforePrepare(StatementHandler sh, Connection connection, Integer transactionTimeout) {
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PluginUtils.MPStatementHandler mpSh = PluginUtils.mpStatementHandler(sh);
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MappedStatement ms = mpSh.mappedStatement();
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SqlCommandType sct = ms.getSqlCommandType();
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if (sct == SqlCommandType.UPDATE || sct == SqlCommandType.DELETE) {
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if (InterceptorIgnoreHelper.willIgnoreDataPermission(ms.getId())) {
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return;
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}
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PluginUtils.MPBoundSql mpBs = mpSh.mPBoundSql();
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mpBs.sql(parserMulti(mpBs.sql(), ms.getId()));
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}
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}
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@Override
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protected void processSelect(Select select, int index, String sql, Object obj) {
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SelectBody selectBody = select.getSelectBody();
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if (selectBody instanceof PlainSelect) {
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this.setWhere((PlainSelect) selectBody, (String) obj);
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} else if (selectBody instanceof SetOperationList) {
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SetOperationList setOperationList = (SetOperationList) selectBody;
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List<SelectBody> selectBodyList = setOperationList.getSelects();
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selectBodyList.forEach(s -> this.setWhere((PlainSelect) s, (String) obj));
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}
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}
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@Override
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protected void processUpdate(Update update, int index, String sql, Object obj) {
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Expression sqlSegment = dataPermissionHandler.getSqlSegment(update.getWhere(), (String) obj, false);
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if (null != sqlSegment) {
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update.setWhere(sqlSegment);
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}
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}
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@Override
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protected void processDelete(Delete delete, int index, String sql, Object obj) {
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Expression sqlSegment = dataPermissionHandler.getSqlSegment(delete.getWhere(), (String) obj, false);
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if (null != sqlSegment) {
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delete.setWhere(sqlSegment);
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}
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}
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/**
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* 设置 where 条件
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*
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* @param plainSelect 查询对象
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* @param mappedStatementId 执行方法id
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*/
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protected void setWhere(PlainSelect plainSelect, String mappedStatementId) {
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Expression sqlSegment = dataPermissionHandler.getSqlSegment(plainSelect.getWhere(), mappedStatementId, true);
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if (null != sqlSegment) {
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plainSelect.setWhere(sqlSegment);
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}
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}
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}
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package com.ruoyi.framework.handler;
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import cn.hutool.core.annotation.AnnotationUtil;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.ClassUtil;
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import cn.hutool.core.util.ObjectUtil;
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import com.ruoyi.common.annotation.DataColumn;
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import com.ruoyi.common.annotation.DataPermission;
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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.service.UserService;
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import com.ruoyi.common.enums.DataScopeType;
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import com.ruoyi.common.exception.ServiceException;
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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.spring.SpringUtils;
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import lombok.extern.slf4j.Slf4j;
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import net.sf.jsqlparser.JSQLParserException;
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import net.sf.jsqlparser.expression.Expression;
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import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
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import net.sf.jsqlparser.parser.CCJSqlParserUtil;
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import org.springframework.context.expression.BeanFactoryResolver;
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import org.springframework.expression.BeanResolver;
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import org.springframework.expression.ExpressionParser;
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import org.springframework.expression.ParserContext;
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import org.springframework.expression.common.TemplateParserContext;
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import org.springframework.expression.spel.standard.SpelExpressionParser;
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import org.springframework.expression.spel.support.StandardEvaluationContext;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 数据权限过滤
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*
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* @author Lion Li
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*/
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@Slf4j
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public class PlusDataPermissionHandler {
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private final ExpressionParser parser = new SpelExpressionParser();
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private final ParserContext parserContext = new TemplateParserContext();
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private final BeanResolver beanResolver = new BeanFactoryResolver(SpringUtils.getBeanFactory());
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public Expression getSqlSegment(Expression where, String mappedStatementId, boolean isSelect) {
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DataColumn[] dataColumns = findAnnotation(mappedStatementId);
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if (ArrayUtil.isEmpty(dataColumns)) {
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return where;
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}
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SysUser currentUser = SpringUtils.getBean(UserService.class).selectUserById(SecurityUtils.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.isNull(currentUser) || currentUser.isAdmin()) {
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return where;
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}
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String dataFilterSql = buildDataFilter(currentUser, dataColumns, isSelect);
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if (StringUtils.isBlank(dataFilterSql)) {
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return where;
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}
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try {
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Expression expression = CCJSqlParserUtil.parseExpression(dataFilterSql);
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if (ObjectUtil.isNotNull(where)) {
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return new AndExpression(where, expression);
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} else {
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return expression;
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}
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} catch (JSQLParserException e) {
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throw new ServiceException("数据权限解析异常 => " + e.getMessage());
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}
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}
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/**
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* 构造数据过滤sql
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*/
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private String buildDataFilter(SysUser user, DataColumn[] dataColumns, boolean isSelect) {
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StringBuilder sqlString = new StringBuilder();
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StandardEvaluationContext context = new StandardEvaluationContext();
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context.setBeanResolver(beanResolver);
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context.setVariable("user", user);
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for (DataColumn dataColumn : dataColumns) {
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// 设置注解变量 key 为表达式变量 value 为变量值
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context.setVariable(dataColumn.key(), dataColumn.value());
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for (SysRole role : user.getRoles()) {
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user.setRoleId(role.getRoleId());
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// 获取角色权限泛型
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DataScopeType type = DataScopeType.findCode(role.getDataScope());
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if (ObjectUtil.isNull(type)) {
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throw new ServiceException("角色数据范围异常 => " + role.getDataScope());
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}
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// 全部数据权限直接返回
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if (type == DataScopeType.ALL) {
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return "";
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}
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// 不包含 key 变量 则不处理
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if (!StringUtils.contains(type.getSql(), "#" + dataColumn.key())) {
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continue;
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}
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// 更新或删除需满足所有条件
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sqlString.append(isSelect ? " OR " : " AND ");
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// 解析sql模板并填充
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String sql = parser.parseExpression(type.getSql(), parserContext).getValue(context, String.class);
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sqlString.append(sql);
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}
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}
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if (StringUtils.isNotBlank(sqlString.toString())) {
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return sqlString.substring(isSelect ? 4 : 5);
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}
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return "";
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}
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private DataColumn[] findAnnotation(String mappedStatementId) {
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StringBuilder sb = new StringBuilder(mappedStatementId);
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int index = sb.lastIndexOf(".");
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String clazzName = sb.substring(0, index);
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String methodName = sb.substring(index + 1, sb.length());
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Class<?> clazz = ClassUtil.loadClass(clazzName);
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List<Method> methods = Arrays.stream(ClassUtil.getDeclaredMethods(clazz))
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.filter(method -> method.getName().equals(methodName)).collect(Collectors.toList());
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DataPermission dataPermission;
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for (Method method : methods) {
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if (AnnotationUtil.hasAnnotation(method, DataPermission.class)) {
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dataPermission = AnnotationUtil.getAnnotation(method, DataPermission.class);
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return dataPermission.value();
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}
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}
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return null;
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}
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}
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@ -0,0 +1,24 @@
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package com.ruoyi.system.service;
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/**
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* 通用 数据权限 服务
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*
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* @author Lion Li
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*/
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public interface SysDataScopeService {
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/**
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* 获取角色自定义权限
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* @param roleId 角色id
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* @return 部门id组
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*/
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String getRoleCustom(Long roleId);
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/**
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* 获取部门及以下权限
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* @param deptId 部门id
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* @return 部门id组
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*/
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String getDeptAndChild(Long deptId);
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}
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@ -0,0 +1,50 @@
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package com.ruoyi.system.service.impl;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.convert.Convert;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.ruoyi.common.core.domain.entity.SysDept;
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import com.ruoyi.system.domain.SysRoleDept;
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import com.ruoyi.system.mapper.SysDeptMapper;
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import com.ruoyi.system.mapper.SysRoleDeptMapper;
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import com.ruoyi.system.service.SysDataScopeService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.List;
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import java.util.stream.Collectors;
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@Service("sdss")
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public class SysDataScopeServiceImpl implements SysDataScopeService {
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@Autowired
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private SysRoleDeptMapper roleDeptMapper;
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@Autowired
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private SysDeptMapper deptMapper;
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@Override
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public String getRoleCustom(Long roleId) {
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List<SysRoleDept> list = roleDeptMapper.selectList(
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new LambdaQueryWrapper<SysRoleDept>()
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.select(SysRoleDept::getDeptId)
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.eq(SysRoleDept::getRoleId, roleId));
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if (CollUtil.isNotEmpty(list)) {
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return list.stream().map(rd -> Convert.toStr(rd.getDeptId())).collect(Collectors.joining(","));
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}
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return null;
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}
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@Override
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public String getDeptAndChild(Long deptId) {
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List<SysDept> list = deptMapper.selectList(new LambdaQueryWrapper<SysDept>()
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.select(SysDept::getDeptId)
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.eq(SysDept::getDeptId, deptId)
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.or()
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.apply("find_in_set({0},ancestors)", deptId));
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if (CollUtil.isNotEmpty(list)) {
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return list.stream().map(d -> Convert.toStr(d.getDeptId())).collect(Collectors.joining(","));
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}
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return null;
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}
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}
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