/*
* 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.deltaspike.security.impl.authorization;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Annotated;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.interceptor.InvocationContext;
import org.apache.deltaspike.core.util.metadata.builder.ParameterValueRedefiner;
import org.apache.deltaspike.security.api.authorization.annotation.SecurityParameterBinding;
/**
* Responsible for supplying requested method invocation values to the security binding method.
*/
public class SecurityParameterValueRedefiner implements ParameterValueRedefiner
{
private CreationalContext<?> creationalContext;
private InvocationContext invocation;
public SecurityParameterValueRedefiner(CreationalContext<?> creationalContext, InvocationContext invocation)
{
this.invocation = invocation;
this.creationalContext = creationalContext;
}
@Override
public Object redefineParameterValue(ParameterValue value)
{
InjectionPoint injectionPoint = value.getInjectionPoint();
if (injectionPoint != null)
{
if (value.getInjectionPoint().getAnnotated().getBaseType().equals(InvocationContext.class))
{
return invocation;
}
else
{
Annotated securingParameterAnnotatedType = injectionPoint.getAnnotated();
Set<Annotation> securingParameterAnnotations = securingParameterAnnotatedType.getAnnotations();
Set<Annotation> requiredBindingAnnotations = new HashSet<Annotation>();
for (Annotation annotation : securingParameterAnnotations)
{
if (annotation.annotationType().isAnnotationPresent(SecurityParameterBinding.class))
{
requiredBindingAnnotations.add(annotation);
}
}
if (!requiredBindingAnnotations.isEmpty())
{
Method method = invocation.getMethod();
Annotation[][] businessMethodParameterAnnotations = method.getParameterAnnotations();
for (int i = 0; i < businessMethodParameterAnnotations.length; i++)
{
List<Annotation> businessParameterAnnotations = Arrays
.asList(businessMethodParameterAnnotations[i]);
for (Annotation annotation : requiredBindingAnnotations)
{
if (businessParameterAnnotations.contains(annotation))
{
return invocation.getParameters()[i];
}
}
}
throw new IllegalStateException("Missing required security parameter binding "
+ requiredBindingAnnotations + " on method invocation ["
+ method.getDeclaringClass().getName() + "." + method.getName()
+ Arrays.asList(method.getParameterTypes()).toString().replaceFirst("\\[", "(")
.replaceFirst("\\]$", ")") + "]");
}
}
}
return value.getDefaultValue(creationalContext);
}
}