/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.domain.management.security;
import static org.jboss.as.domain.management.logging.DomainManagementLogger.SECURITY_LOGGER;
import java.io.IOException;
import java.security.Principal;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import javax.security.auth.Subject;
import org.jboss.as.core.security.RealmGroup;
import org.jboss.as.core.security.RealmUser;
import org.jboss.as.domain.management.SecurityRealm;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.wildfly.security.auth.SupportLevel;
import org.wildfly.security.auth.server.RealmIdentity;
import org.wildfly.security.auth.server.RealmUnavailableException;
import org.wildfly.security.authz.AuthorizationIdentity;
import org.wildfly.security.authz.MapAttributes;
import org.wildfly.security.credential.Credential;
import org.wildfly.security.evidence.Evidence;
/**
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public class PropertiesSubjectSupplemental extends PropertiesFileLoader implements Service<SubjectSupplementalService>, SubjectSupplementalService,
SubjectSupplemental {
private static final String SERVICE_SUFFIX = "properties_authorization";
private static final String COMMA = ",";
private final String realmName;
public PropertiesSubjectSupplemental(final String realmName, final String path, final String relativeTo) {
super(path, relativeTo);
this.realmName = realmName;
}
/*
* Service Methods
*/
public SubjectSupplementalService getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
public void start(StartContext context) throws StartException {
super.start(context);
}
public void stop(StopContext context) {
super.stop(context);
}
/*
* SubjectSupplementalService Method
*/
public SubjectSupplemental getSubjectSupplemental(Map<String, Object> sharedState) {
return this;
}
/*
* SubjectSupplementalMethods
*/
@Override
public org.wildfly.security.auth.server.SecurityRealm getElytronSecurityRealm() {
return new SecurityRealmImpl();
}
/**
* @see org.jboss.as.domain.management.security.SubjectSupplemental#supplementSubject(javax.security.auth.Subject)
*/
public void supplementSubject(Subject subject) throws IOException {
Set<RealmUser> users = subject.getPrincipals(RealmUser.class);
Set<Principal> principals = subject.getPrincipals();
Properties properties = getProperties();
// In general we expect exactly one RealmUser, however we could cope with multiple
// identities so load the groups for them all.
for (RealmUser current : users) {
principals.addAll(loadGroups(properties, current));
}
}
private Set<RealmGroup> loadGroups(final Properties properties, final RealmUser user) {
Set<RealmGroup> response;
String groupString = properties.getProperty(user.getName(), "").trim();
if (groupString.length() > 0) {
String[] groups = groupString.split(COMMA);
response = new HashSet<RealmGroup>(groups.length);
for (String current : groups) {
String cleaned = current.trim();
if (cleaned.length() > 0) {
RealmGroup newGroup = new RealmGroup(realmName, cleaned);
SECURITY_LOGGER.tracef("Adding group '%s' for user '%s'.", newGroup, user);
response.add(newGroup);
}
}
} else {
SECURITY_LOGGER.tracef("No groups found for user '%s' in properties file.", user);
response = Collections.emptySet();
}
return response;
}
private class SecurityRealmImpl implements org.wildfly.security.auth.server.SecurityRealm {
@Override
public RealmIdentity getRealmIdentity(Principal principal) throws RealmUnavailableException {
try {
Properties groups = getProperties();
String name = principal.getName();
return new RealmIdentityImpl(name, groups.getProperty(name, "").trim());
} catch (IOException e) {
throw new RealmUnavailableException(e);
}
}
@Override
public SupportLevel getCredentialAcquireSupport(Class<? extends Credential> credentialType, String algorithmName)
throws RealmUnavailableException {
return SupportLevel.UNSUPPORTED;
}
@Override
public SupportLevel getEvidenceVerifySupport(Class<? extends Evidence> evidenceType, String algorithmName)
throws RealmUnavailableException {
return SupportLevel.UNSUPPORTED;
}
private class RealmIdentityImpl implements RealmIdentity {
private final String name;
private final String groups;
private RealmIdentityImpl(final String name, final String groups) {
this.name = name;
this.groups = groups;
}
@Override
public SupportLevel getCredentialAcquireSupport(Class<? extends Credential> credentialType, String algorithmName)
throws RealmUnavailableException {
return SupportLevel.UNSUPPORTED;
}
@Override
public <C extends Credential> C getCredential(Class<C> credentialType) throws RealmUnavailableException {
return null;
}
@Override
public SupportLevel getEvidenceVerifySupport(Class<? extends Evidence> evidenceType, String algorithmName)
throws RealmUnavailableException {
return SupportLevel.UNSUPPORTED;
}
@Override
public boolean verifyEvidence(Evidence evidence) throws RealmUnavailableException {
return false;
}
@Override
public boolean exists() throws RealmUnavailableException {
return true;
}
@Override
public AuthorizationIdentity getAuthorizationIdentity() throws RealmUnavailableException {
if (groups.length() > 0) {
String[] temp = groups.split(COMMA);
Set<String> groups = new HashSet<>(temp.length);
for (String current : temp) {
String cleaned = current.trim();
if (cleaned.length() > 0) {
SECURITY_LOGGER.tracef("Adding group '%s' for identity '%s'.", cleaned, name);
groups.add(cleaned);
}
}
Map<String, Set<String>> groupsAttributeMap = new HashMap<String, Set<String>>();
groupsAttributeMap.put("GROUPS",Collections.unmodifiableSet(groups));
return AuthorizationIdentity.basicIdentity(new MapAttributes(Collections.unmodifiableMap(groupsAttributeMap)));
} else {
SECURITY_LOGGER.tracef("No groups found for identity '%s' in properties file.", name);
return AuthorizationIdentity.EMPTY;
}
}
}
}
public static final class ServiceUtil {
private ServiceUtil() {
}
public static ServiceName createServiceName(final String realmName) {
return SecurityRealm.ServiceUtil.createServiceName(realmName).append(SERVICE_SUFFIX);
}
}
}