org.graylog.plugins.views.search.SearchDomain Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog.plugins.views.search;
import org.graylog.plugins.views.search.db.SearchDbService;
import org.graylog.plugins.views.search.errors.PermissionException;
import org.graylog.plugins.views.search.views.ViewDTO;
import org.graylog2.plugin.database.users.User;
import javax.inject.Inject;
import java.util.List;
import java.util.Optional;
import java.util.function.Predicate;
import java.util.stream.Collectors;
public class SearchDomain {
private final SearchDbService dbService;
private final ViewPermissions viewPermissions;
@Inject
public SearchDomain(SearchDbService dbService, ViewPermissions viewPermissions) {
this.dbService = dbService;
this.viewPermissions = viewPermissions;
}
public Optional getForUser(String id, User user, Predicate viewReadPermission) {
final Optional search = dbService.get(id);
search.ifPresent(s -> checkPermission(user, viewReadPermission, s));
return search;
}
private void checkPermission(User user, Predicate viewReadPermission, Search s) {
if (!hasReadPermissionFor(user, viewReadPermission, s))
throw new PermissionException("User " + user.getName() + " does not have permission to load search " + s.id());
}
public List getAllForUser(User user, Predicate viewReadPermission) {
return dbService.streamAll()
.filter(s -> hasReadPermissionFor(user, viewReadPermission, s))
.collect(Collectors.toList());
}
private boolean hasReadPermissionFor(User user, Predicate viewReadPermission, Search search) {
return isOwned(search, user) || hasPermissionFromViews(search, user, viewReadPermission);
}
private boolean hasPermissionFromViews(Search search, User user, Predicate hasViewReadPermission) {
return viewPermissions.isSearchPermitted(search.id(), user, hasViewReadPermission);
}
private boolean isOwned(Search search, User user) {
return search.owner().map(o -> o.equals(user.getName())).orElse(false);
}
}