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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.annotations;
import java.util.List;
import javax.servlet.Servlet;
import org.eclipse.jetty.annotations.AnnotationIntrospector.AbstractIntrospectableAnnotationHandler;
import org.eclipse.jetty.annotations.AnnotationParser.Value;
import org.eclipse.jetty.plus.annotation.RunAsCollection;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.webapp.Descriptor;
import org.eclipse.jetty.webapp.MetaData;
import org.eclipse.jetty.webapp.WebAppContext;
public class RunAsAnnotationHandler extends AbstractIntrospectableAnnotationHandler
{
private static final Logger LOG = Log.getLogger(RunAsAnnotationHandler.class);
protected WebAppContext _context;
public RunAsAnnotationHandler (WebAppContext wac)
{
//Introspect only the given class for a RunAs annotation, as it is a class level annotation,
//and according to Common Annotation Spec p2-6 a class-level annotation is not inheritable.
super(false);
_context = wac;
}
public void doHandle (Class clazz)
{
if (!Servlet.class.isAssignableFrom(clazz))
return;
javax.annotation.security.RunAs runAs = (javax.annotation.security.RunAs)clazz.getAnnotation(javax.annotation.security.RunAs.class);
if (runAs != null)
{
String role = runAs.value();
if (role != null)
{
ServletHolder holder = getServletHolderForClass(clazz);
if (holder != null)
{
MetaData metaData = _context.getMetaData();
Descriptor d = metaData.getOriginDescriptor(holder.getName()+".servlet.run-as");
//if a descriptor has already set the value for run-as, do not
//let the annotation override it
if (d == null)
{
metaData.setOrigin(holder.getName()+".servlet.run-as");
org.eclipse.jetty.plus.annotation.RunAs ra = new org.eclipse.jetty.plus.annotation.RunAs();
ra.setTargetClassName(clazz.getCanonicalName());
ra.setRoleName(role);
RunAsCollection raCollection = (RunAsCollection)_context.getAttribute(RunAsCollection.RUNAS_COLLECTION);
if (raCollection == null)
{
raCollection = new RunAsCollection();
_context.setAttribute(RunAsCollection.RUNAS_COLLECTION, raCollection);
}
raCollection.add(ra);
}
}
}
else
LOG.warn("Bad value for @RunAs annotation on class "+clazz.getName());
}
}
public void handleField(String className, String fieldName, int access, String fieldType, String signature, Object value, String annotation,
List<Value> values)
{
LOG.warn ("@RunAs annotation not applicable for fields: "+className+"."+fieldName);
}
public void handleMethod(String className, String methodName, int access, String params, String signature, String[] exceptions, String annotation,
List<Value> values)
{
LOG.warn("@RunAs annotation ignored on method: "+className+"."+methodName+" "+signature);
}
private ServletHolder getServletHolderForClass (Class clazz)
{
ServletHolder holder = null;
ServletHolder[] holders = _context.getServletHandler().getServlets();
if (holders != null)
{
for (ServletHolder h : holders)
{
if (h.getClassName().equals(clazz.getName()))
{
holder = h;
}
}
}
return holder;
}
}
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