grails.plugin.springsecurity.authentication.encoding.BCryptPasswordEncoder.java Source code

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Here is the source code for grails.plugin.springsecurity.authentication.encoding.BCryptPasswordEncoder.java

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/* Copyright 2013-2015 SpringSource.
 *
 * Licensed 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 grails.plugin.springsecurity.authentication.encoding;

import org.springframework.util.Assert;

/**
 * Wrapper for the Spring Security crypto version (different interface).
 *
 * @author <a href='mailto:burt@burtbeckwith.com'>Burt Beckwith</a>
 */
@SuppressWarnings("deprecation")
public class BCryptPasswordEncoder implements org.springframework.security.authentication.encoding.PasswordEncoder {

    protected final org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder delegate;

    /**
     * Constructor.
     * @param logRounds the log rounds to use
     */
    public BCryptPasswordEncoder(int logRounds) {
        delegate = new org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder(logRounds);
    }

    public String encodePassword(String rawPass, Object salt) {
        checkSalt(salt);
        return delegate.encode(rawPass);
    }

    public boolean isPasswordValid(String encPass, String rawPass, Object salt) {
        checkSalt(salt);
        return delegate.matches(rawPass, encPass);
    }

    protected void checkSalt(Object salt) {
        Assert.isNull(salt, "Salt value must be null when used with crypto module PasswordEncoder");
    }
}