com.mysql.cj.sasl.ScramSha1SaslProvider Maven / Gradle / Ivy
/*
* Copyright (c) 2020, Oracle and/or its affiliates.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* 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, version 2.0,
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.sasl;
import java.security.AccessController;
import java.security.InvalidParameterException;
import java.security.NoSuchAlgorithmException;
import java.security.PrivilegedAction;
import java.security.Provider;
import java.security.ProviderException;
/**
* A SASL provider for the authentication mechanism SCRAM-SHA-1 here renamed to MYSQLCJ-SCRAM-SHA-1 to avoid conflicts with future standard implementations.
*/
public final class ScramSha1SaslProvider extends Provider {
private static final long serialVersionUID = 728657701379380668L;
private static final String INFO = "MySQL Connector/J SASL provider (implements a client mechanism for " + ScramSha1SaslClient.MECHANISM_NAME + ")";
private static final class ProviderService extends Provider.Service {
public ProviderService(Provider provider, String type, String algorithm, String className) {
super(provider, type, algorithm, className, null, null);
}
@Override
public Object newInstance(Object constructorParameter) throws NoSuchAlgorithmException {
String type = getType();
if (constructorParameter != null) {
throw new InvalidParameterException("constructorParameter not used with " + type + " engines");
}
String algorithm = getAlgorithm();
if (type.equals("SaslClientFactory") && algorithm.equals(ScramSha1SaslClient.MECHANISM_NAME)) {
return new ScramSha1SaslClientFactory();
}
throw new ProviderException("No implementation for " + algorithm + " " + type);
}
}
public ScramSha1SaslProvider() {
super("MySQLScramSha1Sasl", 1.0, INFO);
AccessController.doPrivileged((PrivilegedAction) () -> {
putService(new ProviderService(ScramSha1SaslProvider.this, "SaslClientFactory", ScramSha1SaslClient.MECHANISM_NAME,
ScramSha1SaslClientFactory.class.getName()));
return null;
});
}
}