/**
* 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.controller.internal;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
import org.apache.ambari.server.controller.spi.NoSuchResourceException;
import org.apache.ambari.server.controller.spi.Predicate;
import org.apache.ambari.server.controller.spi.Request;
import org.apache.ambari.server.controller.spi.RequestStatus;
import org.apache.ambari.server.controller.spi.Resource;
import org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException;
import org.apache.ambari.server.controller.spi.SystemException;
import org.apache.ambari.server.controller.spi.UnsupportedPropertyException;
import org.apache.ambari.server.orm.dao.PermissionDAO;
import org.apache.ambari.server.orm.entities.PermissionEntity;
import org.apache.ambari.server.orm.entities.ResourceTypeEntity;
import org.apache.ambari.server.orm.entities.ViewEntity;
import org.apache.ambari.server.view.ViewRegistry;
/**
* Resource provider for custom view permissions.
*/
public class ViewPermissionResourceProvider extends AbstractResourceProvider {
/**
* Data access object used to obtain permission entities.
*/
protected static PermissionDAO permissionDAO;
/**
* Permission property id constants.
*/
public static final String VIEW_NAME_PROPERTY_ID = "PermissionInfo/view_name";
public static final String VIEW_VERSION_PROPERTY_ID = "PermissionInfo/version";
public static final String PERMISSION_ID_PROPERTY_ID = "PermissionInfo/permission_id";
public static final String PERMISSION_NAME_PROPERTY_ID = "PermissionInfo/permission_name";
public static final String RESOURCE_NAME_PROPERTY_ID = "PermissionInfo/resource_name";
/**
* The key property ids for a permission resource.
*/
private static Map<Resource.Type, String> keyPropertyIds = new HashMap<>();
static {
keyPropertyIds.put(Resource.Type.View, VIEW_NAME_PROPERTY_ID);
keyPropertyIds.put(Resource.Type.ViewVersion, VIEW_VERSION_PROPERTY_ID);
keyPropertyIds.put(Resource.Type.ViewPermission, PERMISSION_ID_PROPERTY_ID);
}
/**
* The property ids for a permission resource.
*/
private static Set<String> propertyIds = new HashSet<>();
static {
propertyIds.add(VIEW_NAME_PROPERTY_ID);
propertyIds.add(VIEW_VERSION_PROPERTY_ID);
propertyIds.add(PERMISSION_ID_PROPERTY_ID);
propertyIds.add(PERMISSION_NAME_PROPERTY_ID);
propertyIds.add(RESOURCE_NAME_PROPERTY_ID);
}
// ----- Constructors ------------------------------------------------------
/**
* Construct a permission resource provider.
*/
public ViewPermissionResourceProvider() {
super(propertyIds, keyPropertyIds);
}
// ----- PermissionResourceProvider ----------------------------------------
/**
* Static initialization.
*
* @param dao permission data access object
*/
public static void init(PermissionDAO dao) {
permissionDAO = dao;
}
// ----- ResourceProvider --------------------------------------------------
@Override
public RequestStatus createResources(Request request)
throws SystemException, UnsupportedPropertyException,
ResourceAlreadyExistsException, NoSuchParentResourceException {
throw new UnsupportedOperationException("Not supported.");
}
@Override
public Set<Resource> getResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
ViewRegistry viewRegistry = ViewRegistry.getInstance();
Set<Resource> resources = new HashSet<>();
Set<String> requestedIds = getRequestPropertyIds(request, predicate);
PermissionEntity viewUsePermission = permissionDAO.findViewUsePermission();
for (Map<String, Object> propertyMap: getPropertyMaps(predicate)) {
Object viewName = propertyMap.get(VIEW_NAME_PROPERTY_ID);
Object viewVersion = propertyMap.get(VIEW_VERSION_PROPERTY_ID);
if (viewName != null && viewVersion != null) {
ViewEntity viewEntity = viewRegistry.getDefinition(viewName.toString(), viewVersion.toString());
// do not report permissions for views that are not loaded.
if (viewEntity.isDeployed()) {
resources.add(toResource(viewUsePermission, viewEntity.getResourceType(), viewEntity, requestedIds));
}
}
}
for(PermissionEntity permissionEntity : permissionDAO.findAll()){
ResourceTypeEntity resourceType = permissionEntity.getResourceType();
ViewEntity viewEntity = viewRegistry.getDefinition(resourceType);
if (viewEntity != null && viewEntity.isDeployed()) {
resources.add(toResource(permissionEntity, resourceType, viewEntity, requestedIds));
}
}
return resources;
}
@Override
public RequestStatus updateResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
throw new UnsupportedOperationException("Not supported.");
}
@Override
public RequestStatus deleteResources(Request request, Predicate predicate)
throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
throw new UnsupportedOperationException("Not supported.");
}
@Override
public Map<Resource.Type, String> getKeyPropertyIds() {
return keyPropertyIds;
}
// ----- AbstractResourceProvider ------------------------------------------
@Override
protected Set<String> getPKPropertyIds() {
return new HashSet<>(keyPropertyIds.values());
}
// ----- helper methods ----------------------------------------------------
// convert the given permission entity to a resource
private Resource toResource(PermissionEntity entity, ResourceTypeEntity resourceType,
ViewEntity viewEntity, Set<String> requestedIds) {
Resource resource = new ResourceImpl(Resource.Type.ViewPermission);
setResourceProperty(resource, VIEW_NAME_PROPERTY_ID, viewEntity.getCommonName(), requestedIds);
setResourceProperty(resource, VIEW_VERSION_PROPERTY_ID, viewEntity.getVersion(), requestedIds);
setResourceProperty(resource, PERMISSION_ID_PROPERTY_ID, entity.getId(), requestedIds);
setResourceProperty(resource, PERMISSION_NAME_PROPERTY_ID, entity.getPermissionName(), requestedIds);
setResourceProperty(resource, RESOURCE_NAME_PROPERTY_ID, resourceType.getName(), requestedIds);
return resource;
}
}