/**
*
*/
package com.thinkbiganalytics.auth;
/*-
* #%L
* thinkbig-security-auth-simple
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* Licensed 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.
* #L%
*/
import com.thinkbiganalytics.auth.jaas.AbstractLoginModule;
import com.thinkbiganalytics.security.GroupPrincipal;
import com.thinkbiganalytics.security.UsernamePrincipal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
/**
* A LoginModule that delegates to an AuthenticationService to authenticate a user name and password.
*/
public class AuthServiceLoginModule extends AbstractLoginModule {
private static final Logger log = LoggerFactory.getLogger(AuthServiceLoginModule.class);
private static final String AUTH_SERVICE_OPTION = "authService";
private AuthenticationService authService;
private UsernamePrincipal user;
/* (non-Javadoc)
* @see javax.security.auth.spi.LoginModule#initialize(javax.security.auth.Subject, javax.security.auth.callback.CallbackHandler, java.util.Map, java.util.Map)
*/
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState, Map<String, ?> options) {
super.initialize(subject, callbackHandler, sharedState, options);
if (options.containsKey(AUTH_SERVICE_OPTION)) {
this.authService = (AuthenticationService) options.get(AUTH_SERVICE_OPTION);
} else {
log.error("This login module requires an \"authService\" option");
throw new IllegalArgumentException("This login module requires an \"authService\" option");
}
}
@Override
public boolean doLogin() throws Exception {
NameCallback nameCb = new NameCallback("username");
PasswordCallback passwordCb = new PasswordCallback("password", false);
handle(nameCb, passwordCb);
if (this.authService.authenticate(nameCb.getName(), new String(passwordCb.getPassword()))) {
log.debug("Login success for: {}", nameCb.getName());
this.user = new UsernamePrincipal(nameCb.getName());
} else {
log.debug("Login failure for: {}", nameCb.getName());
}
return true;
}
@Override
public boolean doCommit() throws Exception {
getSubject().getPrincipals().add(this.user);
// For now assume everyone who authenticates in this simple implementation are administrators.
getSubject().getPrincipals().add(new GroupPrincipal("admin"));
return true;
}
@Override
public boolean doAbort() throws Exception {
return logout();
}
@Override
public boolean doLogout() throws Exception {
getSubject().getPrincipals().remove(this.user);
getSubject().getPrincipals().remove(new GroupPrincipal("admin"));
return true;
}
}