From fb2c9fa355cc2e09bc051677dba89f86e9c0bd00 Mon Sep 17 00:00:00 2001
From: chenjiahe <763432473@qq.com>
Date: 星期一, 25 四月 2022 17:45:21 +0800
Subject: [PATCH] 修复MYSQL查询语句不兼容问题
---
src/main/java/com/hx/mybatis/aes/springbean/SqlUtils.java | 85 ++++++++++++++++++++++++++++++++++++++----
1 files changed, 76 insertions(+), 9 deletions(-)
diff --git a/src/main/java/com/hx/mybatis/aes/springbean/SqlUtils.java b/src/main/java/com/hx/mybatis/aes/springbean/SqlUtils.java
index 90d2228..f872b42 100644
--- a/src/main/java/com/hx/mybatis/aes/springbean/SqlUtils.java
+++ b/src/main/java/com/hx/mybatis/aes/springbean/SqlUtils.java
@@ -15,6 +15,8 @@
import com.alibaba.druid.util.JdbcConstants;
import com.alibaba.druid.util.JdbcUtils;
import com.hx.util.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.Collection;
@@ -26,8 +28,11 @@
* @author CJH 2022-01-12
*/
public class SqlUtils {
+ //log4j鏃ュ織
+ private static Logger logger = LoggerFactory.getLogger(SqlUtils.class.getName());
- /**鏌ヨ鍔犲瘑鏁版嵁澶勭悊锛屽彧瀵规煡璇㈠仛澶勭悊锛宻elect杩斿洖涓嶅仛澶勭悊
+
+ /**鏌ヨ鍔犲瘑鏁版嵁澶勭悊锛屽彧瀵规煡璇㈠仛澶勭悊
* @param sql sql璇彞
* @param aesKeysTable aes绉橀挜
* @return
@@ -36,15 +41,77 @@
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLSelectStatement sqlStatement = (SQLSelectStatement) parser.parseSelect();
+
+ //鑾峰彇琛ㄥ拰鍒悕
+ ExportTableAliasVisitor visitorTable = new ExportTableAliasVisitor();
+ sqlStatement.accept(visitorTable);
+ Map<String,String> tableMaps = visitorTable.getTableMap();
+
+ //鑾峰彇鎵�鏈夌殑瀛楁
+ MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+ sqlStatement.accept(visitor);
+ //閬嶅巻鎵�鏈夊瓧娈�
+ Collection<TableStat.Column> columns= visitor.getColumns();
+
+ //澶勭悊闇�瑕佸姞瀵嗗緱瀛楁
+
+ if(!StringUtils.isEmpty(sql)){
+ Map<String,String> aesKeys = null;
+ String aeskey = null;
+ //鎶婂墿涓嬬殑鎷兼帴涓婃潵
+ String tableAl = null;
+ for(TableStat.Column column:columns){
+ aesKeys= aesKeysTable.get(column.getTable());
+ if(aesKeys == null){
+ continue;
+ }
+ aeskey = aesKeys.getOrDefault(column.getName(),null);
+ if(StringUtils.isEmpty(aeskey)){
+ continue;
+ }
+ tableAl = tableMaps.get(column.getTable());
+ if(!StringUtils.isEmpty(tableAl)){
+ tableAl = tableAl+"."+column.getName();
+ }else{
+ tableAl = column.getName();
+ }
+ sql = sql.replaceAll("((?<!\\.)\\b"+tableAl+"\\b(?!\\.))","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
+ }
+ }
+ return sql;
+ }
+
+
+ /**鏌ヨ鍔犲瘑鏁版嵁澶勭悊锛屽彧瀵规煡璇㈠仛澶勭悊锛宻elect杩斿洖涓嶅仛澶勭悊锛堝浠斤級
+ * @param sql sql璇彞
+ * @param aesKeysTable aes绉橀挜
+ * @return
+ */
+ public static String selectSqlDemo(String sql,Map<String,Map<String,String>> aesKeysTable){
+
+ MySqlStatementParser parser = new MySqlStatementParser(sql);
+ SQLSelectStatement sqlStatement = (SQLSelectStatement) parser.parseSelect();
//鑾峰彇鏍煎紡鍖栫殑slq璇彞
sql = sqlStatement.toString();
- System.out.println("sql:"+sql);
+
//瑙ｆ瀽select鏌ヨ
//SQLSelect sqlSelect = sqlStatement.getSelect()
//鑾峰彇sql鏌ヨ鍧�
- SQLSelectQueryBlock sqlSelectQuery = (SQLSelectQueryBlock)sqlStatement.getSelect().getQuery() ;
+ SQLSelectQueryBlock sqlSelectQuery = null;
+ boolean b = true;
+ try{
+ sqlSelectQuery = (SQLSelectQueryBlock)sqlStatement.getSelect().getQuery() ;
+ }catch (Exception e){
+ b = false;
+ logger.error("瑙ｆ瀽sql鎶ラ敊锛�"+e.getMessage());
+ }
+
+ if(!b){
+ return "err";
+ }
+
StringBuffer out = new StringBuffer() ;
//鍒涘缓sql瑙ｆ瀽鐨勬爣鍑嗗寲杈撳嚭
SQLASTOutputVisitor sqlastOutputVisitor = SQLUtils.createFormatOutputVisitor(out , null , JdbcUtils.MYSQL) ;
@@ -140,7 +207,7 @@
}else{
tableAl = column.getName();
}
- sql = sql.replaceAll("\\b"+tableAl+"\\b","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
+ sql = sql.replaceAll("((?<!\\.)\\b"+tableAl+"\\b(?!\\.))","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
}
}
return sqlSelect.toString()+sql;
@@ -249,7 +316,7 @@
}else{
tableAl = column.getName();
}
- sql = sql.replaceAll("\\b"+tableAl+"\\b","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
+ sql = sql.replaceAll("((?<!\\.)\\b"+tableAl+"\\b(?!\\.))","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
}
}
return sqlSelect.toString()+sql;
@@ -413,11 +480,11 @@
}else{
tableAl = column.getName();
}
- sqlWhere = sqlWhere.replaceAll("\\b"+tableAl+"\\b","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
+ sqlWhere = sqlWhere.replaceAll("((?<!\\.)\\b"+tableAl+"\\b(?!\\.))","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
}
}
- splicingSql.append(sqlWhere.toString());
+ splicingSql.append(sqlWhere);
return splicingSql.toString();
}
@@ -491,11 +558,11 @@
}else{
tableAl = column.getName();
}
- sqlWhere = sqlWhere.replaceAll("\\b"+tableAl+"\\b","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
+ sqlWhere = sqlWhere.replaceAll("((?<!\\.)\\b"+tableAl+"\\b(?!\\.))","AES_DECRYPT(UNHEX("+tableAl+"),'"+aeskey+"')");
}
}
- splicingSql.append(sqlWhere.toString());
+ splicingSql.append(sqlWhere);
return splicingSql.toString();
}
--
Gitblit v1.8.0