/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.web.deployment.annotation.handlers;
import org.glassfish.apf.*;
import org.glassfish.security.common.Role;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.deployment.WebComponentDescriptor;
import com.sun.enterprise.deployment.web.SecurityConstraint;
import com.sun.enterprise.deployment.web.UserDataConstraint;
import com.sun.enterprise.deployment.web.WebResourceCollection;
import com.sun.enterprise.deployment.annotation.context.WebBundleContext;
import com.sun.enterprise.deployment.annotation.context.WebComponentContext;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.web.deployment.descriptor.*;
import javax.servlet.annotation.HttpConstraint;
import javax.servlet.annotation.HttpMethodConstraint;
import javax.servlet.annotation.ServletSecurity;
import javax.servlet.annotation.ServletSecurity.EmptyRoleSemantic;
import javax.servlet.annotation.ServletSecurity.TransportGuarantee;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import java.lang.annotation.Annotation;
import java.util.HashSet;
import java.util.Enumeration;
import java.util.Set;
import java.util.logging.Level;
/**
* This handler is responsible in handling
* javax.servlet.annotation.ServletSecurity.
*
* @author Shing Wai Chan
*/
@Service
@AnnotationHandlerFor(ServletSecurity.class)
public class ServletSecurityHandler extends AbstractWebHandler {
protected final static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(ServletSecurityHandler.class);
public ServletSecurityHandler() {
}
@Override
protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
WebComponentContext[] webCompContexts)
throws AnnotationProcessorException {
HandlerProcessingResult result = null;
for (WebComponentContext webCompContext : webCompContexts) {
result = processAnnotation(ainfo,
webCompContext.getDescriptor());
if (result.getOverallResult() == ResultType.FAILED) {
break;
}
}
return result;
}
@Override
protected HandlerProcessingResult processAnnotation(
AnnotationInfo ainfo, WebBundleContext webBundleContext)
throws AnnotationProcessorException {
return getInvalidAnnotatedElementHandlerResult(
ainfo.getProcessingContext().getHandler(), ainfo);
}
@Override
public Class<? extends Annotation>[] getTypeDependencies() {
return getWebAnnotationTypes();
}
private HandlerProcessingResult processAnnotation(
AnnotationInfo ainfo, WebComponentDescriptor webCompDesc)
throws AnnotationProcessorException {
Class webCompClass = (Class)ainfo.getAnnotatedElement();
if (!HttpServlet.class.isAssignableFrom(webCompClass)) {
log(Level.SEVERE, ainfo,
localStrings.getLocalString(
"web.deployment.annotation.handlers.needtoextend",
"The Class {0} having annotation {1} need to be a derived class of {2}.",
new Object[] { webCompClass.getName(), SecurityConstraint.class.getName(), HttpServlet.class.getName() }));
return getDefaultFailedResult();
}
Set<String> urlPatterns = getUrlPatternsWithoutSecurityConstraint(webCompDesc);
if (urlPatterns != null && urlPatterns.size() > 0) {
WebBundleDescriptor webBundleDesc = webCompDesc.getWebBundleDescriptor();
ServletSecurity servletSecurityAn = (ServletSecurity)ainfo.getAnnotation();
HttpConstraint httpConstraint = servletSecurityAn.value();
SecurityConstraint securityConstraint =
createSecurityConstraint(webBundleDesc,
urlPatterns, httpConstraint.rolesAllowed(),
httpConstraint.value(),
httpConstraint.transportGuarantee(),
null);
// we know there is one WebResourceCollection there
WebResourceCollection webResColl =
securityConstraint.getWebResourceCollections().iterator().next();
HttpMethodConstraint[] httpMethodConstraints = servletSecurityAn.httpMethodConstraints();
for (HttpMethodConstraint httpMethodConstraint : httpMethodConstraints) {
String httpMethod = httpMethodConstraint.value();
if (httpMethod == null || httpMethod.length() == 0) {
return getDefaultFailedResult();
}
createSecurityConstraint(webBundleDesc,
urlPatterns, httpMethodConstraint.rolesAllowed(),
httpMethodConstraint.emptyRoleSemantic(),
httpMethodConstraint.transportGuarantee(),
httpMethod);
//exclude this from the top level constraint
webResColl.addHttpMethodOmission(httpMethod);
}
}
return getDefaultProcessedResult();
}
/**
* Given a WebComponentDescriptor, find the set of urlPattern which does not have
* any existing url pattern in SecurityConstraint
* @param webCompDesc
* @return a list of url String
*/
public static Set<String> getUrlPatternsWithoutSecurityConstraint(WebComponentDescriptor webCompDesc) {
Set<String> urlPatternsWithoutSC = new HashSet<String>(webCompDesc.getUrlPatternsSet());
WebBundleDescriptor webBundleDesc = webCompDesc.getWebBundleDescriptor();
Enumeration<SecurityConstraint> eSecConstr = webBundleDesc.getSecurityConstraints();
while (eSecConstr.hasMoreElements()) {
SecurityConstraint sc = eSecConstr.nextElement();
for (WebResourceCollection wrc : sc.getWebResourceCollections()) {
urlPatternsWithoutSC.removeAll(wrc.getUrlPatterns());
}
}
return urlPatternsWithoutSC;
}
public static SecurityConstraint createSecurityConstraint(
WebBundleDescriptor webBundleDesc,
Set<String> urlPatterns, String[] rolesAllowed,
EmptyRoleSemantic emptyRoleSemantic,
TransportGuarantee transportGuarantee,
String httpMethod) {
SecurityConstraint securityConstraint = new SecurityConstraintImpl();
WebResourceCollectionImpl webResourceColl = new WebResourceCollectionImpl();
securityConstraint.addWebResourceCollection(webResourceColl);
for (String urlPattern : urlPatterns) {
webResourceColl.addUrlPattern(urlPattern);
}
AuthorizationConstraintImpl ac = null;
if (rolesAllowed != null && rolesAllowed.length > 0) {
if (emptyRoleSemantic == EmptyRoleSemantic.DENY) {
throw new IllegalArgumentException(localStrings.getLocalString(
"web.deployment.annotation.handlers.denyWithRolesAllowed",
"One cannot specify DENY with an non-empty array of rolesAllowed in @ServletSecurity / ServletSecurityElement"));
}
ac = new AuthorizationConstraintImpl();
for (String roleName : rolesAllowed) {
Role role = new Role(roleName);
webBundleDesc.addRole(role);
ac.addSecurityRole(roleName);
}
} else if (emptyRoleSemantic == EmptyRoleSemantic.PERMIT) {
// ac is null
} else { // DENY
ac = new AuthorizationConstraintImpl();
}
securityConstraint.setAuthorizationConstraint(ac);
UserDataConstraint udc = new UserDataConstraintImpl();
udc.setTransportGuarantee(
((transportGuarantee == TransportGuarantee.CONFIDENTIAL) ?
UserDataConstraint.CONFIDENTIAL_TRANSPORT :
UserDataConstraint.NONE_TRANSPORT));
securityConstraint.setUserDataConstraint(udc);
if (httpMethod != null) {
webResourceColl.addHttpMethod(httpMethod);
}
webBundleDesc.addSecurityConstraint(securityConstraint);
return securityConstraint;
}
}