ColumnEncryption.java
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org.compiere.process |
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Compiere |
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These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
/******************************************************************************
* Product: Compiere ERP & CRM Smart Business Solution *
* Copyright (C) 1999-2007 ComPiere, Inc. All Rights Reserved. *
* This program is free software, you can redistribute it and/or modify it *
* under the terms version 2 of the GNU General Public License as published *
* by the Free Software Foundation. This program 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 General Public License for more details. *
* You should have received a copy of the GNU General Public License along *
* with this program, if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
* For the text or an alternative of this public license, you may reach us *
* ComPiere, Inc., 3600 Bridge Parkway #102, Redwood City, CA 94065, USA *
* or via info@compiere.org or http://www.compiere.org/license.html *
*****************************************************************************/
package org.compiere.process;
import java.util.logging.*;
import org.compiere.common.*;
import org.compiere.model.*;
import org.compiere.util.*;
/**
* Column Encryption Test
*
* @author Jorg Janke
* @version $Id: ColumnEncryption.java,v 1.2 2006/07/30 00:51:01 jjanke Exp $
*/
public class ColumnEncryption extends SvrProcess
{
/** Enable/Disable Encryption */
private boolean p_IsEncrypted = false;
/** Change Encryption Settings */
private boolean p_ChangeSetting = false;
/** Maximum Length */
private int p_MaxLength = 0;
/** Test Value */
private String p_TestValue = null;
/** The Column */
private int p_AD_Column_ID = 0;
/**
* Prepare - e.g., get Parameters.
*/
@Override
protected void prepare()
{
ProcessInfoParameter[] para = getParameter();
for (int i = 0; i < para.length; i++)
{
String name = para[i].getParameterName();
if (para[i].getParameter() == null)
;
else if (name.equals("IsEncrypted"))
p_IsEncrypted = "Y".equals(para[i].getParameter());
else if (name.equals("ChangeSetting"))
p_ChangeSetting = "Y".equals(para[i].getParameter());
else if (name.equals("MaxLength"))
p_MaxLength = para[i].getParameterAsInt();
else if (name.equals("TestValue"))
p_TestValue = (String)para[i].getParameter();
else
log.log(Level.SEVERE, "Unknown Parameter: " + name);
}
p_AD_Column_ID = getRecord_ID();
} // prepare
/**
* Process
* @return info
* @throws Exception
*/
@Override
protected String doIt () throws Exception
{
log.info("AD_Column_ID=" + p_AD_Column_ID
+ ", IsEncrypted=" + p_IsEncrypted
+ ", ChangeSetting=" + p_ChangeSetting
+ ", MaxLength=" + p_MaxLength);
MColumn column = new MColumn (getCtx(), p_AD_Column_ID, null);
if (column.get_ID() == 0 || column.get_ID() != p_AD_Column_ID)
throw new CompiereUserException("@NotFound@ @AD_Column_ID@ - " + p_AD_Column_ID);
//
String columnName = column.getColumnName();
int dt = column.getAD_Reference_ID();
// Can it be enabled?
if (column.isKey()
|| column.isParent()
|| column.isStandardColumn()
|| column.isVirtualColumn()
|| column.isIdentifier()
|| column.isTranslated()
|| FieldType.isLookup(dt)
|| FieldType.isLOB(dt)
|| "DocumentNo".equalsIgnoreCase(column.getColumnName())
|| "Value".equalsIgnoreCase(column.getColumnName())
|| "Name".equalsIgnoreCase(column.getColumnName()))
{
if (column.isEncrypted())
{
column.setIsEncrypted(false);
column.save();
}
return columnName + ": cannot be encrypted";
}
// Start
addLog(0, null, null, "Encryption Class = " + SecureEngine.getClassName());
boolean error = false;
// Test Value
if (p_TestValue != null && p_TestValue.length() > 0)
{
String encString = SecureEngine.encrypt(p_TestValue);
addLog(0, null, null, "Encrypted Test Value=" + encString);
String clearString = SecureEngine.decrypt(encString);
if (p_TestValue.equals(clearString))
addLog(0, null, null, "Decrypted=" + clearString
+ " (same as test value)");
else
{
addLog(0, null, null, "Decrypted=" + clearString
+ " (NOT the same as test value - check algorithm)");
error = true;
}
int encLength = encString.length();
addLog(0, null, null, "Test Length=" + p_TestValue.length() + " -> " + encLength);
if (encLength <= column.getFieldLength())
addLog(0, null, null, "Encrypted Length (" + encLength
+ ") fits into field (" + column.getFieldLength() + ")");
else
{
addLog(0, null, null, "Encrypted Length (" + encLength
+ ") does NOT fit into field (" + column.getFieldLength() + ") - resize field");
error = true;
}
}
// Length Test
if (p_MaxLength != 0)
{
String testClear = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
while (testClear.length() < p_MaxLength)
testClear += testClear;
testClear = testClear.substring(0, p_MaxLength);
log.config("Test=" + testClear + " (" + p_MaxLength + ")");
//
String encString = SecureEngine.encrypt(testClear);
int encLength = encString.length();
addLog(0, null, null, "Test Max Length=" + testClear.length() + " -> " + encLength);
if (encLength <= column.getFieldLength())
addLog(0, null, null, "Encrypted Max Length (" + encLength
+ ") fits into field (" + column.getFieldLength() + ")");
else
{
addLog(0, null, null, "Encrypted Max Length (" + encLength
+ ") does NOT fit into field (" + column.getFieldLength() + ") - resize field");
error = true;
}
}
if (p_IsEncrypted != column.isEncrypted())
{
if (error || !p_ChangeSetting)
addLog(0, null, null, "Encryption NOT changed - Encryption=" + column.isEncrypted());
else
{
column.setIsEncrypted(p_IsEncrypted);
if (column.save())
addLog(0, null, null, "Encryption CHANGED - Encryption=" + column.isEncrypted());
else
addLog(0, null, null, "Save Error");
}
}
return "Encryption=" + column.isEncrypted();
} // doIt
} // EncryptionTest
The table below shows all metrics for ColumnEncryption.java.




