/*
* 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.util.Map;
import javax.annotation.Nonnull;
import javax.security.auth.login.Configuration;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
import org.apache.jackrabbit.oak.api.ContentRepository;
import org.apache.jackrabbit.oak.spi.security.ConfigurationBase;
import org.apache.jackrabbit.oak.spi.security.ConfigurationParameters;
import org.apache.jackrabbit.oak.spi.security.SecurityConfiguration;
import org.apache.jackrabbit.oak.spi.security.SecurityProvider;
import org.apache.jackrabbit.oak.spi.security.authentication.AuthenticationConfiguration;
import org.apache.jackrabbit.oak.spi.security.authentication.ConfigurationUtil;
import org.apache.jackrabbit.oak.spi.security.authentication.LoginContextProvider;
import org.apache.jackrabbit.oak.spi.whiteboard.Whiteboard;
import org.apache.jackrabbit.oak.spi.whiteboard.WhiteboardAware;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Default implementation of the {@code AuthenticationConfiguration} with the
* following characteristics:
*
* <ul>
* <li>
* {@link LoginContextProvider}: Returns the default implementation of
* {@code LoginContextProvider} that handles standard JAAS based logins and
* deals with pre-authenticated subjects.</li>
* </ul>
*
*/
@Component
@Service({AuthenticationConfiguration.class, SecurityConfiguration.class})
public class AuthenticationConfigurationImpl extends ConfigurationBase implements AuthenticationConfiguration {
private static final Logger log = LoggerFactory.getLogger(AuthenticationConfigurationImpl.class);
/**
* Constructor for OSGi
*/
public AuthenticationConfigurationImpl() {
super();
}
@Activate
private void activate(Map<String, Object> properties) {
setParameters(ConfigurationParameters.of(properties));
}
/**
* Constructor for non-OSGi
* @param securityProvider
*/
public AuthenticationConfigurationImpl(SecurityProvider securityProvider) {
super(securityProvider, securityProvider.getParameters(NAME));
}
//----------------------------------------------< SecurityConfiguration >---
@Nonnull
@Override
public String getName() {
return NAME;
}
//----------------------------------------< AuthenticationConfiguration >---
/**
* Create a {@code LoginContextProvider} using standard
* {@link javax.security.auth.login.Configuration#getConfiguration() JAAS}
* functionality. In case no login configuration for the specified app name
* can be retrieve this implementation uses the default as defined by
* {@link ConfigurationUtil#getDefaultConfiguration(org.apache.jackrabbit.oak.spi.security.ConfigurationParameters)}.
* <p>
* The {@link LoginContextProvider} implementation is intended to be used with
* <ul>
* <li>Regular login using JAAS {@link javax.security.auth.spi.LoginModule} or</li>
* <li>Pre-authenticated subjects in which case any authentication
* related validation is omitted</li>
* </ul>
*
* <h4>Configuration Options</h4>
* <ul>
* <li>{@link #PARAM_APP_NAME}: The appName passed to
* {@code Configuration#getAppConfigurationEntry(String)}. The default
* value is {@link #DEFAULT_APP_NAME}.</li>
* </ul>
*
* @param contentRepository The content repository.
* @return An new instance of {@link LoginContextProvider}.
*/
@Nonnull
@Override
public LoginContextProvider getLoginContextProvider(ContentRepository contentRepository) {
String appName = getParameters().getConfigValue(PARAM_APP_NAME, DEFAULT_APP_NAME);
Configuration loginConfig = null;
try {
loginConfig = Configuration.getConfiguration();
// NOTE: workaround for Java7 behavior (see OAK-497)
if (loginConfig.getAppConfigurationEntry(appName) == null) {
loginConfig = null;
}
} catch (SecurityException e) {
log.info("Failed to retrieve login configuration: using default. " + e);
}
if (loginConfig == null) {
log.debug("No login configuration available for {}; using default", appName);
loginConfig = ConfigurationUtil.getDefaultConfiguration(getParameters());
}
// todo: temporary workaround
SecurityProvider provider = getSecurityProvider();
Whiteboard whiteboard = null;
if (provider instanceof WhiteboardAware) {
whiteboard = ((WhiteboardAware) provider).getWhiteboard();
} else {
log.warn("Unable to obtain whiteboard from SecurityProvider");
}
return new LoginContextProviderImpl(appName, loginConfig, contentRepository, getSecurityProvider(), whiteboard);
}
}