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/*
* Copyright © 2016-2018 European Support Limited
*
* 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.
*/
package org.openecomp.sdc.itempermissions.dao.impl;
import static org.openecomp.sdc.itempermissions.notifications.NotificationConstants.ITEM_ID_PROP;
import static org.openecomp.sdc.itempermissions.notifications.NotificationConstants.ITEM_NAME_PROP;
import static org.openecomp.sdc.itempermissions.notifications.NotificationConstants.PERMISSION_CHANGED;
import static org.openecomp.sdc.itempermissions.notifications.NotificationConstants.PERMISSION_GRANTED;
import static org.openecomp.sdc.itempermissions.notifications.NotificationConstants.PERMISSION_ITEM;
import static org.openecomp.sdc.itempermissions.notifications.NotificationConstants.PERMISSION_USER;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import org.openecomp.sdc.common.errors.CoreException;
import org.openecomp.sdc.common.errors.ErrorCategory;
import org.openecomp.sdc.common.errors.ErrorCode;
import org.openecomp.sdc.common.errors.Messages;
import org.openecomp.sdc.common.session.SessionContextProviderFactory;
import org.openecomp.sdc.itempermissions.PermissionsManager;
import org.openecomp.sdc.itempermissions.PermissionsServices;
import org.openecomp.sdc.itempermissions.impl.types.PermissionTypes;
import org.openecomp.sdc.itempermissions.type.ItemPermissionsEntity;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.openecomp.sdc.notification.dtos.Event;
import org.openecomp.sdc.notification.services.NotificationPropagationManager;
import org.openecomp.sdc.notification.services.SubscriptionService;
import org.openecomp.sdc.versioning.AsdcItemManager;
import org.openecomp.sdc.versioning.types.Item;
/**
* Created by ayalaben on 6/18/2017.
*/
public class PermissionsManagerImpl implements PermissionsManager {
private static final Logger LOGGER = LoggerFactory.getLogger(PermissionsManagerImpl.class);
private static final String CHANGE_PERMISSIONS = "Change_Item_Permissions";
private PermissionsServices permissionsServices;
private AsdcItemManager asdcItemManager;
private NotificationPropagationManager notifier;
private SubscriptionService subscriptionService;
public PermissionsManagerImpl(PermissionsServices permissionsServices, AsdcItemManager asdcItemManager,
NotificationPropagationManager notificationPropagationManager, SubscriptionService subscriptionService) {
this.permissionsServices = permissionsServices;
this.asdcItemManager = asdcItemManager;
this.notifier = notificationPropagationManager;
this.subscriptionService = subscriptionService;
}
@Override
public Collection<ItemPermissionsEntity> listItemPermissions(String itemId) {
return permissionsServices.listItemPermissions(itemId);
}
@Override
public Set<String> listUserPermittedItems(String userId, String permission) {
return permissionsServices.listUserPermittedItems(userId, permission);
}
@Override
public void updateItemPermissions(String itemId, String permission, Set<String> addedUsersIds, Set<String> removedUsersIds) {
String currentUser = SessionContextProviderFactory.getInstance().createInterface().get().getUser().getUserId();
if (!permissionsServices.isAllowed(itemId, currentUser, CHANGE_PERMISSIONS)) {
throw new CoreException(
new ErrorCode.ErrorCodeBuilder().withMessage(Messages.PERMISSIONS_ERROR.getErrorMessage()).withId(Messages.PERMISSIONS_ERROR.name())
.withCategory(ErrorCategory.SECURITY).build());
}
if (permission.equals(PermissionTypes.Owner.name())) {
if (addedUsersIds.size() == 1) {
asdcItemManager.updateOwner(itemId, addedUsersIds.iterator().next());
} else {
throw new CoreException(new ErrorCode.ErrorCodeBuilder().withMessage(Messages.PERMISSIONS_OWNER_ERROR.getErrorMessage())
.withId(Messages.PERMISSIONS_OWNER_ERROR.name()).withCategory(ErrorCategory.SECURITY).build());
}
}
permissionsServices.updateItemPermissions(itemId, permission, addedUsersIds, removedUsersIds);
sendNotifications(itemId, permission, addedUsersIds, removedUsersIds, currentUser);
}
private void sendNotifications(String itemId, String permission, Set<String> addedUsersIds, Set<String> removedUsersIds, String userName) {
Item item = asdcItemManager.get(itemId);
addedUsersIds.forEach(affectedUser -> {
notifyUser(userName, true, item.getName(), itemId, affectedUser, permission);
subscriptionService.subscribe(affectedUser, itemId);
});
removedUsersIds.forEach(affectedUser -> {
notifyUser(userName, false, item.getName(), itemId, affectedUser, permission);
subscriptionService.unsubscribe(affectedUser, itemId);
});
}
private void notifyUser(String userName, boolean granted, String itemName, String itemId, String affectedUser, String permission) {
Map<String, Object> details = new HashMap<>();
details.put(PERMISSION_ITEM, permission);
details.put(ITEM_ID_PROP, itemId);
details.put(ITEM_NAME_PROP, itemName);
details.put(PERMISSION_GRANTED, granted);
details.put(PERMISSION_USER, userName);
PermissionEvent permissionEvent = new PermissionEvent(PERMISSION_CHANGED, affectedUser, details, affectedUser);
try {
notifier.directNotification(permissionEvent, affectedUser);
} catch (Exception e) {
LOGGER.error("Failed to send notification on permission changed for user '" + affectedUser + "'");
}
}
@Override
public boolean isAllowed(String itemId, String userId, String action) {
return permissionsServices.isAllowed(itemId, userId, action);
}
@Override
public Optional<String> getUserItemPermission(String itemId, String userId) {
return permissionsServices.getUserItemPermission(itemId, userId);
}
@Override
public void deleteItemPermissions(String itemId) {
permissionsServices.deleteItemPermissions(itemId);
}
private class PermissionEvent implements Event {
private String eventType;
private String originatorId;
private Map<String, Object> attributes;
private String entityId;
private PermissionEvent(String eventType, String originatorId, Map<String, Object> attributes, String entityId) {
this.eventType = eventType;
this.originatorId = originatorId;
this.attributes = attributes;
this.entityId = entityId;
}
@Override
public String getEventType() {
return eventType;
}
@Override
public String getOriginatorId() {
return originatorId;
}
@Override
public Map<String, Object> getAttributes() {
return attributes;
}
@Override
public String getEntityId() {
return entityId;
}
}
}
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