mirror of
https://github.com/dromara/RuoYi-Vue-Plus.git
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update [重大更新] 重写数据权限实现
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疯狂的狮子Li
@ -0,0 +1,96 @@
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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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@ -18,9 +18,11 @@ import org.springframework.stereotype.Component;
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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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* @deprecated 3.6.0 移除 {@link com.ruoyi.framework.handler.PlusDataPermissionHandler}
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*/
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@Aspect
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@Component
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@Deprecated
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public class DataScopeAspect {
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/**
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@ -9,6 +9,7 @@ import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
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import com.ruoyi.common.core.mybatisplus.methods.InsertAll;
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import com.ruoyi.framework.Interceptor.PlusDataPermissionInterceptor;
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import com.ruoyi.framework.handler.CreateAndUpdateMetaObjectHandler;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.context.annotation.Bean;
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@ -30,6 +31,8 @@ public class MybatisPlusConfig {
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@Bean
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public MybatisPlusInterceptor mybatisPlusInterceptor() {
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MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
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// 数据权限处理
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interceptor.addInnerInterceptor(dataPermissionInterceptor());
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// 分页插件
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interceptor.addInnerInterceptor(paginationInnerInterceptor());
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// 乐观锁插件
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@ -37,6 +40,13 @@ public class MybatisPlusConfig {
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return interceptor;
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}
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/**
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* 数据权限拦截器
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*/
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public PlusDataPermissionInterceptor dataPermissionInterceptor() {
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return new PlusDataPermissionInterceptor();
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}
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/**
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* 分页插件，自动识别数据库类型
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*/
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@ -0,0 +1,133 @@
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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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