/*
* 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.ambari.server.security.authorization;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.apache.ambari.server.orm.dao.ClusterDAO;
import org.apache.ambari.server.orm.dao.ViewInstanceDAO;
import org.apache.ambari.server.orm.entities.PrivilegeEntity;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import com.google.inject.Inject;
import com.google.inject.Singleton;
@Singleton
public class PermissionHelper {
private final static Logger LOG = LoggerFactory.getLogger(PermissionHelper.class);
@Inject
private ClusterDAO clusterDAO;
@Inject
private ViewInstanceDAO viewInstanceDAO;
/**
* Retrieve permission labels based on the details of the authenticated user
* @param authentication the authenticated user and associated access privileges
* @return human-readable permissions
*/
public Map<String,List<String>> getPermissionLabels(Authentication authentication) {
Map<String,List<String>> permissionLabels = new HashMap<>();
if (authentication.getAuthorities() != null) {
for (GrantedAuthority grantedAuthority : authentication.getAuthorities()) {
if(!(grantedAuthority instanceof AmbariGrantedAuthority)) {
continue;
}
AmbariGrantedAuthority ambariGrantedAuthority = (AmbariGrantedAuthority) grantedAuthority;
PrivilegeEntity privilegeEntity = ambariGrantedAuthority.getPrivilegeEntity();
String key = null;
try {
switch(privilegeEntity.getResource().getResourceType().getName()) {
case "CLUSTER":
key = clusterDAO.findByResourceId(privilegeEntity.getResource().getId()).getClusterName();
break;
case "AMBARI":
key = "Ambari";
break;
default:
key = viewInstanceDAO.findByResourceId(privilegeEntity.getResource().getId()).getLabel();
break;
}
} catch (Throwable ignored) {
LOG.warn("Error occurred when cluster or view is searched based on resource id", ignored);
}
if(key != null) {
if(!permissionLabels.containsKey(key)) {
permissionLabels.put(key, new LinkedList<String>());
}
permissionLabels.get(key).add(privilegeEntity.getPermission().getPermissionLabel());
}
}
}
return permissionLabels;
}
}