/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.jackrabbit.oak.security.authentication;
import java.security.AccessController;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
import javax.jcr.Credentials;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.Configuration;
import javax.security.auth.login.LoginException;
import org.apache.jackrabbit.oak.api.ContentRepository;
import org.apache.jackrabbit.oak.spi.security.SecurityProvider;
import org.apache.jackrabbit.oak.spi.security.authentication.JaasLoginContext;
import org.apache.jackrabbit.oak.spi.security.authentication.LoginContext;
import org.apache.jackrabbit.oak.spi.security.authentication.LoginContextProvider;
import org.apache.jackrabbit.oak.spi.security.authentication.PreAuthContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* {@code LoginContextProvider}
*/
class LoginContextProviderImpl implements LoginContextProvider {
private static final Logger log = LoggerFactory.getLogger(LoginContextProviderImpl.class);
private final String appName;
private final Configuration configuration;
private final ContentRepository contentRepository;
private final SecurityProvider securityProvider;
LoginContextProviderImpl(String appName, Configuration configuration,
ContentRepository contentRepository,
SecurityProvider securityProvider) {
this.appName = appName;
this.configuration = configuration;
this.contentRepository = contentRepository;
this.securityProvider = securityProvider;
}
@Override
@Nonnull
public LoginContext getLoginContext(Credentials credentials, String workspaceName)
throws LoginException {
Subject subject = getSubject();
if (subject != null && credentials == null) {
log.debug("Found pre-authenticated subject: No further login actions required.");
return new PreAuthContext(subject);
}
if (subject == null) {
subject = new Subject();
}
CallbackHandler handler = getCallbackHandler(credentials, workspaceName);
return new JaasLoginContext(appName, subject, handler, configuration);
}
//------------------------------------------------------------< private >---
@CheckForNull
private static Subject getSubject() {
Subject subject = null;
try {
subject = Subject.getSubject(AccessController.getContext());
} catch (SecurityException e) {
log.debug("Can't check for pre-authenticated subject. Reason:", e.getMessage());
}
return subject;
}
@Nonnull
private CallbackHandler getCallbackHandler(Credentials credentials, String workspaceName) {
return new CallbackHandlerImpl(credentials, workspaceName, contentRepository, securityProvider);
}
}