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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.password;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.password.EPasswordCheckException;
import com.netscape.certsrv.password.IConfigPasswordCheck;
import com.netscape.certsrv.password.IPasswordCheck;
/**
* This class checks the given password if it meets the specific requirements.
* For example, it can also specify the format of the password which has to
* be 8 characters long and must be in alphanumeric.
* <P>
*
* @version $Revision$, $Date$
*/
public class PasswordChecker implements IPasswordCheck, IConfigPasswordCheck {
public static final int MIN_LEN = 8;
/**
* Default constructor.
*/
public PasswordChecker() {
}
public boolean isGoodConfigPassword(String mPassword) {
if (mPassword == null || mPassword.length() == 0) {
return false;
} else if (mPassword.length() < MIN_LEN) {
return false;
}
return true;
}
public String getConfigReason(String mPassword) {
if (mPassword == null || mPassword.length() == 0) {
EPasswordCheckException e = new EPasswordCheckException(
"Empty Password");
return e.toString();
} else if (mPassword.length() < MIN_LEN) {
EPasswordCheckException e = new EPasswordCheckException(
"Minimium Length is " + MIN_LEN);
return e.toString();
}
return null;
}
/**
* Returns true if the given password meets the quality requirement;
* otherwise returns false.
*
* @param mPassword The given password being checked.
* @return true if the password meets the quality requirement; otherwise
* returns false.
*/
public boolean isGoodPassword(String mPassword) {
if (mPassword == null || mPassword.length() == 0) {
return false;
} else if (mPassword.length() < MIN_LEN) {
return false;
}
return true;
}
/**
* Returns a reason if the password doesnt meet the quality requirement.
*
* @return string as a reason if the password quality requirement is not met.
*/
public String getReason(String mPassword) {
if (mPassword == null || mPassword.length() == 0) {
EPasswordCheckException e = new EPasswordCheckException(
CMS.getUserMessage("CMS_PASSWORD_EMPTY_PASSWORD"));
return e.toString();
} else if (mPassword.length() < MIN_LEN) {
EPasswordCheckException e = new EPasswordCheckException(
CMS.getUserMessage("CMS_PASSWORD_INVALID_LEN", "" + MIN_LEN));
return e.toString();
}
return null;
}
}
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