SEC-21: Initial commit.
This commit is contained in:
Ben Alex
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/* Copyright 2004, 2005 Acegi Technology Pty Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.sf.acegisecurity.vote;
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import net.sf.acegisecurity.Authentication;
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import net.sf.acegisecurity.AuthenticationTrustResolver;
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import net.sf.acegisecurity.AuthenticationTrustResolverImpl;
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import net.sf.acegisecurity.ConfigAttribute;
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import net.sf.acegisecurity.ConfigAttributeDefinition;
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import org.springframework.util.Assert;
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import java.util.Iterator;
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/**
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* <p>
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* Votes if a {@link ConfigAttribute#getAttribute()} of
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* <code>IS_AUTHENTICATED_FULLY</code> or
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* <code>IS_AUTHENTICATED_REMEMBERED</code> or
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* <code>IS_AUTHENTICATED_ANONYMOUSLY</code> is present. This list is in order
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* of most strict checking to least strict checking.
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* </p>
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*
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* <p>
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* The current <code>Authentication</code> will be inspected to determine if
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* the principal has a particular level of authentication. The "FULLY"
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* authenticated option means the user is authenticated fully (ie {@link
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* net.sf.acegisecurity.AuthenticationTrustResolver#isAnonymous(Authentication)}
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* is false and {@link
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* net.sf.acegisecurity.AuthenticationTrustResolver#isRememberMe(Authentication)}
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* is false. The "REMEMBERED" will grant access if the principal was either
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* authenticated via remember-me OR is fully authenticated. The "ANONYMOUSLY"
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* will grant access if the principal was authenticated via remember-me, OR
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* anonymously, OR via full authentication.
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* </p>
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*
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* <p>
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* All comparisons and prefixes are case sensitive.
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* </p>
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*
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* @author Ben Alex
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* @version $Id$
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*/
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public class AuthenticatedVoter implements AccessDecisionVoter {
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//~ Static fields/initializers =============================================
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public static final String IS_AUTHENTICATED_FULLY = "IS_AUTHENTICATED_FULLY";
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public static final String IS_AUTHENTICATED_REMEMBERED = "IS_AUTHENTICATED_REMEMBERED";
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public static final String IS_AUTHENTICATED_ANONYMOUSLY = "IS_AUTHENTICATED_ANONYMOUSLY";
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//~ Instance fields ========================================================
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private AuthenticationTrustResolver authenticationTrustResolver = new AuthenticationTrustResolverImpl();
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//~ Methods ================================================================
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public void setAuthenticationTrustResolver(
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AuthenticationTrustResolver authenticationTrustResolver) {
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Assert.notNull(authenticationTrustResolver,
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"AuthenticationTrustResolver cannot be set to null");
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this.authenticationTrustResolver = authenticationTrustResolver;
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}
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public boolean supports(ConfigAttribute attribute) {
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if ((attribute.getAttribute() != null)
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&& (IS_AUTHENTICATED_FULLY.equals(attribute.getAttribute())
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|| IS_AUTHENTICATED_REMEMBERED.equals(attribute.getAttribute())
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|| IS_AUTHENTICATED_ANONYMOUSLY.equals(attribute.getAttribute()))) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* This implementation supports any type of class, because it does not
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* query the presented secure object.
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*
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* @param clazz the secure object
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*
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* @return always <code>true</code>
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*/
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public boolean supports(Class clazz) {
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return true;
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}
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public int vote(Authentication authentication, Object object,
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ConfigAttributeDefinition config) {
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int result = ACCESS_ABSTAIN;
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Iterator iter = config.getConfigAttributes();
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while (iter.hasNext()) {
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ConfigAttribute attribute = (ConfigAttribute) iter.next();
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if (this.supports(attribute)) {
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result = ACCESS_DENIED;
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if (IS_AUTHENTICATED_FULLY.equals(attribute.getAttribute())) {
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if (isFullyAuthenticated(authentication)) {
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return ACCESS_GRANTED;
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}
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}
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if (IS_AUTHENTICATED_REMEMBERED.equals(attribute.getAttribute())) {
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if (authenticationTrustResolver.isRememberMe(authentication)
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|| isFullyAuthenticated(authentication)) {
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return ACCESS_GRANTED;
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}
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}
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if (IS_AUTHENTICATED_ANONYMOUSLY.equals(
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attribute.getAttribute())) {
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if (authenticationTrustResolver.isAnonymous(authentication)
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|| isFullyAuthenticated(authentication)
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|| authenticationTrustResolver.isRememberMe(
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authentication)) {
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return ACCESS_GRANTED;
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}
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}
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}
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}
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return result;
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}
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private boolean isFullyAuthenticated(Authentication authentication) {
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return (!authenticationTrustResolver.isAnonymous(authentication)
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&& !authenticationTrustResolver.isRememberMe(authentication));
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}
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}
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@ -0,0 +1,135 @@
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/* Copyright 2004, 2005 Acegi Technology Pty Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.sf.acegisecurity.vote;
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import junit.framework.TestCase;
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import net.sf.acegisecurity.Authentication;
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import net.sf.acegisecurity.ConfigAttributeDefinition;
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import net.sf.acegisecurity.GrantedAuthority;
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import net.sf.acegisecurity.GrantedAuthorityImpl;
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import net.sf.acegisecurity.SecurityConfig;
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import net.sf.acegisecurity.providers.UsernamePasswordAuthenticationToken;
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import net.sf.acegisecurity.providers.anonymous.AnonymousAuthenticationToken;
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import net.sf.acegisecurity.providers.rememberme.RememberMeAuthenticationToken;
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/**
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* Tests {@link AuthenticatedVoter}.
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*
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* @author Ben Alex
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* @version $Id$
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*/
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public class AuthenticatedVoterTests extends TestCase {
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//~ Constructors ===========================================================
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public AuthenticatedVoterTests() {
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super();
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}
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public AuthenticatedVoterTests(String arg0) {
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super(arg0);
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}
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//~ Methods ================================================================
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public final void setUp() throws Exception {
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super.setUp();
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}
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public static void main(String[] args) {
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junit.textui.TestRunner.run(AuthenticatedVoterTests.class);
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}
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public void testAnonymousWorks() {
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AuthenticatedVoter voter = new AuthenticatedVoter();
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ConfigAttributeDefinition def = new ConfigAttributeDefinition();
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def.addConfigAttribute(new SecurityConfig(
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AuthenticatedVoter.IS_AUTHENTICATED_ANONYMOUSLY));
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assertEquals(AccessDecisionVoter.ACCESS_GRANTED,
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voter.vote(createAnonymous(), null, def));
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assertEquals(AccessDecisionVoter.ACCESS_GRANTED,
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voter.vote(createRememberMe(), null, def));
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assertEquals(AccessDecisionVoter.ACCESS_GRANTED,
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voter.vote(createFullyAuthenticated(), null, def));
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}
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public void testFullyWorks() {
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AuthenticatedVoter voter = new AuthenticatedVoter();
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ConfigAttributeDefinition def = new ConfigAttributeDefinition();
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def.addConfigAttribute(new SecurityConfig(
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AuthenticatedVoter.IS_AUTHENTICATED_FULLY));
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assertEquals(AccessDecisionVoter.ACCESS_DENIED,
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voter.vote(createAnonymous(), null, def));
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assertEquals(AccessDecisionVoter.ACCESS_DENIED,
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voter.vote(createRememberMe(), null, def));
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assertEquals(AccessDecisionVoter.ACCESS_GRANTED,
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voter.vote(createFullyAuthenticated(), null, def));
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}
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public void testRememberMeWorks() {
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AuthenticatedVoter voter = new AuthenticatedVoter();
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ConfigAttributeDefinition def = new ConfigAttributeDefinition();
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def.addConfigAttribute(new SecurityConfig(
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AuthenticatedVoter.IS_AUTHENTICATED_REMEMBERED));
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assertEquals(AccessDecisionVoter.ACCESS_DENIED,
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voter.vote(createAnonymous(), null, def));
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assertEquals(AccessDecisionVoter.ACCESS_GRANTED,
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voter.vote(createRememberMe(), null, def));
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assertEquals(AccessDecisionVoter.ACCESS_GRANTED,
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voter.vote(createFullyAuthenticated(), null, def));
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}
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public void testSetterRejectsNull() {
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AuthenticatedVoter voter = new AuthenticatedVoter();
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try {
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voter.setAuthenticationTrustResolver(null);
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fail("Expected IAE");
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} catch (IllegalArgumentException expected) {
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assertTrue(true);
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}
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}
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public void testSupports() {
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AuthenticatedVoter voter = new AuthenticatedVoter();
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assertTrue(voter.supports(String.class));
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assertTrue(voter.supports(
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new SecurityConfig(
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AuthenticatedVoter.IS_AUTHENTICATED_ANONYMOUSLY)));
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assertTrue(voter.supports(
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new SecurityConfig(AuthenticatedVoter.IS_AUTHENTICATED_FULLY)));
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assertTrue(voter.supports(
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new SecurityConfig(
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AuthenticatedVoter.IS_AUTHENTICATED_REMEMBERED)));
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assertFalse(voter.supports(new SecurityConfig("FOO")));
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}
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private Authentication createAnonymous() {
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return new AnonymousAuthenticationToken("ignored", "ignored",
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new GrantedAuthority[] {new GrantedAuthorityImpl("ignored")});
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}
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private Authentication createFullyAuthenticated() {
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return new UsernamePasswordAuthenticationToken("ignored", "ignored",
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new GrantedAuthority[] {new GrantedAuthorityImpl("ignored")});
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}
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private Authentication createRememberMe() {
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return new RememberMeAuthenticationToken("ignored", "ignored",
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new GrantedAuthority[] {new GrantedAuthorityImpl("ignored")});
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}
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}
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