/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2013, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.jdbc;
/**
* Perform basic SQL validation on input string. This is to allow safe encoding
* of parameters that must contain quotes, while still protecting users from SQL
* injection.
*
* We prevent SQL from breaking out of quotes by replacing any quotes in input
* stream with double quotes. Backslashes are too risky to allow so are removed
* completely
*/
public class EscapeSql {
public static String escapeSql(String str) {
// ' --> ''
str = str.replaceAll("'", "''");
// " --> ""
str = str.replaceAll("\"", "\"\"");
// \ --> (remove backslashes)
str = str.replaceAll("\\\\", "");
return str;
}
}