| /* |
| |
| Derby - Class org.apache.derby.iapi.sql.dictionary.UserDescriptor |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to you under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| |
| package org.apache.derby.iapi.sql.dictionary; |
| |
| import java.sql.Timestamp; |
| import java.util.Arrays; |
| |
| import org.apache.derby.iapi.types.DataTypeUtilities; |
| |
| /** |
| * A Descriptor for a user stored in SYSUSERS. |
| */ |
| public final class UserDescriptor extends TupleDescriptor |
| { |
| private String _userName; |
| private String _hashingScheme; |
| private char[] _password; |
| private Timestamp _lastModified; |
| |
| /** |
| * Constructor for a UserDescriptor. |
| * |
| * @param dataDictionary The data dictionary that this descriptor lives in. |
| * @param userName Name of the user. |
| * @param hashingScheme How the password was hashed. |
| * @param password The user's password. |
| * @param lastModified Time that the password was last modified. |
| */ |
| UserDescriptor |
| ( |
| DataDictionary dataDictionary, |
| String userName, |
| String hashingScheme, |
| char[] password, |
| Timestamp lastModified |
| ) |
| { |
| super( dataDictionary ); |
| |
| _userName = userName; |
| _hashingScheme = hashingScheme; |
| |
| if ( password == null ) { _password = null; } |
| else |
| { |
| // copy the password because the caller will 0 it out |
| _password = new char[ password.length ]; |
| System.arraycopy( password, 0, _password, 0, password.length ); |
| } |
| |
| _lastModified = DataTypeUtilities.clone( lastModified ); |
| } |
| |
| public String getUserName(){ return _userName; } |
| public String getHashingScheme() { return _hashingScheme; } |
| public Timestamp getLastModified() { return DataTypeUtilities.clone( _lastModified ); } |
| |
| /** |
| * <p> |
| * Zero the password after getting it so that the char[] can't be memory-sniffed. |
| * </p> |
| */ |
| public char[] getAndZeroPassword() |
| { |
| int length = _password.length; |
| char[] retval = new char[ length ]; |
| System.arraycopy( _password, 0, retval, 0, length ); |
| Arrays.fill( _password, (char) 0 ); |
| |
| return retval; |
| } |
| |
| // |
| // class interface |
| // |
| |
| |
| /** @see TupleDescriptor#getDescriptorType */ |
| public String getDescriptorType() { return "User"; } |
| |
| /** @see TupleDescriptor#getDescriptorName */ |
| public String getDescriptorName() { return _userName; } |
| |
| |
| |
| } |