lvzhikai пре 4 година
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1 измењених фајлова са 0 додато и 152 уклоњено
  1. 0 152
      src/main/java/com/chinaitop/depot/DatePermissionInterceptor.java

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src/main/java/com/chinaitop/depot/DatePermissionInterceptor.java

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-package com.chinaitop.depot;
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-
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-import com.chinaitop.depot.utils.DataPolicyEngine;
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-import com.chinaitop.depot.utils.RedisUtil;
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-import net.sf.jsqlparser.parser.CCJSqlParserUtil;
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-import net.sf.jsqlparser.statement.Statement;
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-import net.sf.jsqlparser.statement.select.Select;
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-import net.sf.jsqlparser.util.TablesNamesFinder;
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-import org.apache.commons.lang.ObjectUtils;
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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.plugin.*;
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-import org.apache.ibatis.reflection.DefaultReflectorFactory;
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-import org.apache.ibatis.reflection.MetaObject;
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-import org.apache.ibatis.reflection.ReflectorFactory;
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-import org.apache.ibatis.reflection.factory.DefaultObjectFactory;
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-import org.apache.ibatis.reflection.factory.ObjectFactory;
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-import org.apache.ibatis.reflection.wrapper.DefaultObjectWrapperFactory;
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-import org.apache.ibatis.reflection.wrapper.ObjectWrapperFactory;
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-import org.springframework.beans.factory.annotation.Autowired;
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-import org.springframework.stereotype.Component;
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-
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-import java.lang.reflect.Field;
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-import java.sql.Connection;
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-import java.util.HashSet;
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-import java.util.List;
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-import java.util.Properties;
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-import java.util.Set;
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-
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-/**
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- * Sql执行时间记录拦截器
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- */
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-@Intercepts({ @Signature(type = StatementHandler.class, method = "prepare", args = { Connection.class, Integer.class })})
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-@Component
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-public class DatePermissionInterceptor implements Interceptor {
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-	
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-	private static final ObjectFactory DEFAULT_OBJECT_FACTORY = new DefaultObjectFactory();
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-    private static final ObjectWrapperFactory DEFAULT_OBJECT_WRAPPER_FACTORY = new DefaultObjectWrapperFactory();
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-    private static final ReflectorFactory DEFAULT_REFLECTOR_FACTORY = new DefaultReflectorFactory();
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-
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-	@Autowired
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-	private RedisUtil redisUtil;
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-	
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-	@Override
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-	public Object intercept(Invocation invocation) throws Throwable {
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-		
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-		StatementHandler statementHandler = (StatementHandler) invocation.getTarget();
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-        MetaObject metaStatementHandler = MetaObject.forObject(statementHandler, DEFAULT_OBJECT_FACTORY,
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-                DEFAULT_OBJECT_WRAPPER_FACTORY, DEFAULT_REFLECTOR_FACTORY);
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-        
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-        MappedStatement mappedStatement = (MappedStatement) metaStatementHandler.getValue("delegate.mappedStatement");
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-        
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-		final BoundSql boundSql = statementHandler.getBoundSql();
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-		String bouString = boundSql.getSql();// 获取执行sql 
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-		
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-		//sql是查询的才进行权限过滤
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-	    if(mappedStatement.getSqlCommandType().toString().equals("select".toUpperCase())) {
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-	    
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-			//通过本地线程获取库id
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-			Object threadLocalObj = DataPolicyEngine.get();
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-			String orgId = null;
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-			if(threadLocalObj != null) {
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-				orgId = ObjectUtils.toString(threadLocalObj);
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-			}
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-			if(orgId!=null) {
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-				//解析sql中的表名
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-				Statement statement = CCJSqlParserUtil.parse(bouString);
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-			    Select selectStatement = (Select)statement;
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-			    TablesNamesFinder tablesNamesFinder = new TablesNamesFinder();
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-			    List<String> result = tablesNamesFinder.getTableList(selectStatement);
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-				
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-				Set<String> tableNames = new HashSet<String>();// 定义需要替换的table信息列表
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-				//获取业务表信息数据
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-				List<String> tableList = (List<String>)redisUtil.lGetAll("tableList").get(0);
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-				for(int i=0;i<result.size();i++) {
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-					for (int j = 0; j < tableList.size(); j++) {// 处理查看sql中是否有业务表
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-						if (result.get(i).equals(ObjectUtils.toString(tableList.get(j)))) {// 是否存在业务表
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-							tableNames.add(result.get(i));
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-						}
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-					}
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-				}
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-				
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-				if (tableNames != null && tableNames.size() > 0) {// sql中存在业务表进行sql拼接数据重新检索
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-					if(result.size() >= 2) {//sql中存在2张及以上表
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-						for (String table : tableNames) {// 进行业务表的数据权限替换
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-							table += " ";//表名后面加空格,防止两个表名一部分相似,导致替换出错
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-							bouString = bouString.replaceAll(table, "(SELECT * from " + table
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-									+ " WHERE org_id = '"+orgId+"') ");
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-						}
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-					}else {//sql中是单表
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-						for (String table : tableNames) {// 进行业务表的数据权限替换
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-							if(bouString.contains(table+" ")) {//防止是单表查询,表后面没有空格的时候替换不了
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-								table += " ";//表名后面加空格,防止两个表名一部分相似,导致替换出错
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-							}
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-							bouString = bouString.replaceAll(table, "(SELECT * from " + table
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-									+ " WHERE org_id = '"+orgId+"') "+table+" ");
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-						}
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-					}
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-					
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-					/*bouString = bouString.replaceAll(table, "(SELECT b.* from " + table
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-							+ " b,user_business u WHERE b.org_id = u.org_id AND u .user_id ='"+userId+"' AND u.business_type = '"+table+"') ");*/
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-					
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-				}
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-				
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-				//metaStatementHandler.setValue("delegate.boundSql.sql", bouString);
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-				
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-				Field field = getField(boundSql, "sql");
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-				if (field != null) {
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-					try {
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-						field.setAccessible(true);
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-						field.set(boundSql, bouString);
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-					} catch (IllegalArgumentException e) {
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-						// TODO Auto-generated catch block
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-						e.printStackTrace();
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-					} catch (IllegalAccessException e) {
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-						// TODO Auto-generated catch block
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-						e.printStackTrace();
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-					}
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-				}
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-			}
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-		
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-	    }
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-			
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-		return invocation.proceed();
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-		
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-
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-	}
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-
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-	private static Field getField(Object obj, String fieldName) {
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-		Field field = null;
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-		for (Class<?> clazz = obj.getClass(); clazz != Object.class; clazz = clazz.getSuperclass()) {
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-			try {
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-				field = clazz.getDeclaredField(fieldName);
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-				break;
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-			} catch (NoSuchFieldException e) {
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-				// 这里不用做处理,子类没有该字段可能对应的父类有,都没有就返回null。
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-			}
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-		}
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-		return field;
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-	}
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-
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-	@Override
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-	public Object plugin(Object target) {
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-		return Plugin.wrap(target, this);
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-	}
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-
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-	@Override
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-	public void setProperties(Properties properties) {
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-	}
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-
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-}