package com.thinkbiganalytics.metadata.modeshape.template.security;
/*-
* #%L
* kylo-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.api.template.security.TemplateAccessControl;
import com.thinkbiganalytics.metadata.modeshape.JcrMetadataAccess;
import com.thinkbiganalytics.metadata.modeshape.security.JcrAccessControlUtil;
import com.thinkbiganalytics.metadata.modeshape.security.action.JcrAllowedActions;
import com.thinkbiganalytics.metadata.modeshape.support.JcrUtil;
import com.thinkbiganalytics.metadata.modeshape.template.JcrFeedTemplate;
import com.thinkbiganalytics.security.action.Action;
import com.thinkbiganalytics.security.action.AllowedActions;
import org.modeshape.jcr.security.SimplePrincipal;
import java.security.Principal;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import javax.jcr.Node;
import javax.jcr.security.Privilege;
/**
* A type of allowed actions that applies to templates. It intercepts certain action enable/disable
* calls related to visibility to update the underlying JCR node structure's ACL lists.
*/
public class JcrTemplateAllowedActions extends JcrAllowedActions {
private JcrFeedTemplate template;
/**
* @param allowedActionsNode
*/
public JcrTemplateAllowedActions(Node allowedActionsNode) {
super(allowedActionsNode);
this.template = JcrUtil.getJcrObject(JcrUtil.getParent(allowedActionsNode), JcrFeedTemplate.class);
}
@Override
public boolean enable(Principal principal, Set<Action> actions) {
boolean changed = super.enable(principal, actions);
updateEntityAccess(principal, getEnabledActions(principal));
return changed;
}
@Override
public boolean enableOnly(Principal principal, Set<Action> actions) {
boolean changed = super.enableOnly(principal, actions);
updateEntityAccess(principal, getEnabledActions(principal));
return changed;
}
@Override
public boolean enableOnly(Principal principal, AllowedActions actions) {
boolean changed = super.enableOnly(principal, actions);
updateEntityAccess(principal, getEnabledActions(principal));
return changed;
}
@Override
public boolean disable(Principal principal, Set<Action> actions) {
boolean changed = super.disable(principal, actions);
updateEntityAccess(principal, getEnabledActions(principal));
return changed;
}
@Override
public void setupAccessControl(Principal owner) {
enable(JcrMetadataAccess.getActiveUser(), TemplateAccessControl.EDIT_TEMPLATE);
//Granting everyone access to Modify properties on a template.
//this is needed since when a feed is created it needs to set the template bi-directional relationship.
//Kylo will handle the explicitly permission checks to modify a template using its permissions rather than JCR privileges.
JcrAccessControlUtil.addPermissions(template.getNode(), SimplePrincipal.EVERYONE,Privilege.JCR_MODIFY_PROPERTIES);
enable(JcrMetadataAccess.ADMIN, TemplateAccessControl.EDIT_TEMPLATE);
super.setupAccessControl(owner);
}
@Override
public void removeAccessControl(Principal owner) {
super.removeAccessControl(owner);
JcrAccessControlUtil.clearPermissions(getNode());
}
protected void updateEntityAccess(Principal principal, Set<? extends Action> actions) {
Set<String> privs = new HashSet<>();
actions.forEach(action -> {
//When Change Perms comes through the user needs write access to the allowed actions tree to grant additonal access
if (action.implies(TemplateAccessControl.CHANGE_PERMS)) {
Collections.addAll(privs, Privilege.JCR_READ_ACCESS_CONTROL, Privilege.JCR_MODIFY_ACCESS_CONTROL);
} else if (action.implies(TemplateAccessControl.EDIT_TEMPLATE)) {
privs.add(Privilege.JCR_ALL);
} else if (action.implies(TemplateAccessControl.ACCESS_TEMPLATE)) {
privs.add(Privilege.JCR_READ);
}
});
JcrAccessControlUtil.setPermissions(this.template.getNode(), principal, privs);
}
@Override
protected boolean isAdminAction(Action action) {
return action.implies(TemplateAccessControl.CHANGE_PERMS);
}
}