/**
*
*/
package com.thinkbiganalytics.metadata.modeshape.security.action;
/*-
* #%L
* thinkbig-metadata-modeshape
* %%
* 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.metadata.modeshape.JcrMetadataAccess;
import com.thinkbiganalytics.metadata.modeshape.MetadataRepositoryException;
import com.thinkbiganalytics.metadata.modeshape.common.SecurityPaths;
import com.thinkbiganalytics.metadata.modeshape.security.JcrAccessControlUtil;
import com.thinkbiganalytics.metadata.modeshape.security.ModeShapeAdminPrincipal;
import com.thinkbiganalytics.metadata.modeshape.support.JcrUtil;
import com.thinkbiganalytics.security.action.Action;
import com.thinkbiganalytics.security.action.AllowedActions;
import com.thinkbiganalytics.security.action.AllowedEntityActionsProvider;
import java.nio.file.Path;
import java.security.AccessControlException;
import java.security.Principal;
import java.util.Optional;
import javax.jcr.AccessDeniedException;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.security.Privilege;
import org.modeshape.jcr.security.SimplePrincipal;
/**
*
*/
public class JcrAllowedEntityActionsProvider implements AllowedEntityActionsProvider {
/* (non-Javadoc)
* @see com.thinkbiganalytics.security.action.AllowedEntityActionsProvider#getAvailavleActions(java.lang.String)
*/
@Override
public Optional<AllowedActions> getAvailableActions(String entityName) {
Path modulePath = SecurityPaths.prototypeActionsPath(entityName);
return getActions(entityName, modulePath);
}
/* (non-Javadoc)
* @see com.thinkbiganalytics.security.action.AllowedEntityActionsProvider#getAllowedActions(java.lang.String)
*/
@Override
public Optional<AllowedActions> getAllowedActions(String entityName) {
Path modulePath = SecurityPaths.moduleActionPath(entityName);
return getActions(entityName, modulePath);
}
/* (non-Javadoc)
* @see com.thinkbiganalytics.security.action.AllowedEntityActionsProvider#checkPermission(java.lang.String, com.thinkbiganalytics.security.action.Action)
*/
@Override
public void checkPermission(String moduleName, Action action) {
getAllowedActions(moduleName)
.map((allowed) -> {
allowed.checkPermission(action);
return null;
})
.orElseThrow(() -> new AccessControlException("No actions are defined for a madule named: " + moduleName));
}
public JcrAllowedActions createEntityAllowedActions(String entityName, Node destActionsNode) {
return getAvailableActions(entityName)
.map(protoAllowed -> {
Principal mgmtPrincipal = new ModeShapeAdminPrincipal();
JcrAllowedActions jcrProtoAllowed = (JcrAllowedActions) protoAllowed;
JcrAllowedActions entityAllowed = jcrProtoAllowed.copy(destActionsNode, mgmtPrincipal, Privilege.JCR_ALL);
JcrAccessControlUtil.addPermissions(destActionsNode, mgmtPrincipal, Privilege.JCR_ALL);
JcrAccessControlUtil.addPermissions(destActionsNode, SimplePrincipal.EVERYONE, Privilege.JCR_READ);
for (Node actionNode : JcrUtil.getNodesOfType(destActionsNode, JcrAllowableAction.NODE_TYPE)) {
// Initially only allow the mgmt principal access to the actions themselves
JcrAccessControlUtil.addPermissions(actionNode, mgmtPrincipal, Privilege.JCR_ALL);
}
return entityAllowed;
})
.orElseThrow(() -> new MetadataRepositoryException("No prototype AllowedActions found for entity named: " + entityName));
}
protected Optional<AllowedActions> getActions(String groupName, Path groupPath) {
try {
Session session = JcrMetadataAccess.getActiveSession();
if (session.getRootNode().hasNode(groupPath.toString())) {
Node node = session.getRootNode().getNode(groupPath.toString());
JcrAllowedActions actions = new JcrAllowedActions(node);
return Optional.of(actions);
} else {
return Optional.empty();
}
} catch (AccessDeniedException e) {
return Optional.empty();
} catch (RepositoryException e) {
throw new MetadataRepositoryException("Failed to access allowable actions for module: " + groupName, e);
}
}
}