/*
* Copyright 2015-2016 the original author or authors.
*
* 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 org.springframework.statemachine.config.configurers;
import org.springframework.security.access.AccessDecisionManager;
import org.springframework.statemachine.config.builders.StateMachineConfigurationBuilder;
import org.springframework.statemachine.config.builders.StateMachineConfigurationConfigurer;
import org.springframework.statemachine.config.common.annotation.AnnotationConfigurerAdapter;
import org.springframework.statemachine.config.model.ConfigurationData;
import org.springframework.statemachine.security.SecurityRule;
import org.springframework.statemachine.security.SecurityRule.ComparisonType;
/**
* Default implementation of a {@link SecurityConfigurer}.
*
* @author Janne Valkealahti
*
* @param <S> the type of state
* @param <E> the type of event
*/
public class DefaultSecurityConfigurer<S, E>
extends AnnotationConfigurerAdapter<ConfigurationData<S, E>, StateMachineConfigurationConfigurer<S, E>, StateMachineConfigurationBuilder<S, E>>
implements SecurityConfigurer<S, E> {
private boolean enabled = true;
private AccessDecisionManager transitionAccessDecisionManager;
private AccessDecisionManager eventAccessDecisionManager;
private SecurityRule eventSecurityRule;
private SecurityRule transitionSecurityRule;
@Override
public void configure(StateMachineConfigurationBuilder<S, E> builder) throws Exception {
if (enabled) {
builder.setSecurityEnabled(true);
builder.setTransitionSecurityAccessDecisionManager(transitionAccessDecisionManager);
builder.setEventSecurityAccessDecisionManager(eventAccessDecisionManager);
builder.setEventSecurityRule(eventSecurityRule);
builder.setTransitionSecurityRule(transitionSecurityRule);
}
}
@Override
public SecurityConfigurer<S, E> enabled(boolean enabled) {
this.enabled = enabled;
return this;
}
@Override
public SecurityConfigurer<S, E> transitionAccessDecisionManager(AccessDecisionManager accessDecisionManager) {
this.transitionAccessDecisionManager = accessDecisionManager;
return this;
}
@Override
public SecurityConfigurer<S, E> eventAccessDecisionManager(AccessDecisionManager accessDecisionManager) {
this.eventAccessDecisionManager = accessDecisionManager;
return this;
}
@Override
public SecurityConfigurer<S, E> event(String attributes, ComparisonType match) {
if (eventSecurityRule == null) {
eventSecurityRule = new SecurityRule();
}
eventSecurityRule.setAttributes(SecurityRule.commaDelimitedListToSecurityAttributes(attributes));
return this;
}
@Override
public SecurityConfigurer<S, E> event(String expression) {
if (eventSecurityRule == null) {
eventSecurityRule = new SecurityRule();
}
eventSecurityRule.setExpression(expression);
return this;
}
@Override
public SecurityConfigurer<S, E> transition(String attributes, ComparisonType match) {
if (transitionSecurityRule == null) {
transitionSecurityRule = new SecurityRule();
}
transitionSecurityRule.setAttributes(SecurityRule.commaDelimitedListToSecurityAttributes(attributes));
return this;
}
@Override
public SecurityConfigurer<S, E> transition(String expression) {
if (transitionSecurityRule == null) {
transitionSecurityRule = new SecurityRule();
}
transitionSecurityRule.setExpression(expression);
return this;
}
}