Examples with PermissionContext eu.bcvsolutions.idm.core.api.dto.filter.PermissionContext used on opensource projects

Example 1 with PermissionContext

use of eu.bcvsolutions.idm.core.api.dto.filter.PermissionContext in project CzechIdMng by bcvsolutions.

the class AbstractReadDtoService method toCriteria.

/**
 * Constructs find / count jpa criteria from given filter and permissions
 *
 * @param filter
 * @param applyFetchMode fetch related entities in the master select
 * @param permission
 * @return
 */
protected Specification<E> toCriteria(F filter, boolean applyFetchMode, BasePermission... permission) {
    return new Specification<E>() {

        private static final long serialVersionUID = 1L;

        public Predicate toPredicate(Root<E> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            List<Predicate> predicates = new ArrayList<>();
            // if filter is null, no filter predicates will be built
            if (filter != null) {
                predicates.addAll(AbstractReadDtoService.this.toPredicates(root, query, builder, filter));
            }
            // 
            // permissions are not evaluated, if no permission was given
            // or authorizable type is null (=> authorization policies are not supported)
            BasePermission[] permissions = PermissionUtils.trimNull(permission);
            if (!ObjectUtils.isEmpty(permissions) && (AbstractReadDtoService.this instanceof AuthorizableService)) {
                AuthorizableType authorizableType = ((AuthorizableService<?>) AbstractReadDtoService.this).getAuthorizableType();
                if (authorizableType != null && authorizableType.getType() != null) {
                    boolean usePermissionOperatorOr = false;
                    if (filter instanceof PermissionContext) {
                        PermissionContext permissionContext = (PermissionContext) filter;
                        usePermissionOperatorOr = permissionContext.usePermissionOperatorOr();
                    }
                    if (usePermissionOperatorOr) {
                        predicates.add(getAuthorizationManager().getPredicateOr(root, query, builder, permissions));
                    } else {
                        predicates.add(getAuthorizationManager().getPredicate(root, query, builder, permissions));
                    }
                }
            }
            // 
            // check IN predicates limit
            predicates.forEach(predicate -> {
                checkFilterSizeExceeded(predicate);
            });
            // include referenced entity in "master" select  => reduces number of sub selects
            if (applyFetchMode) {
            // FIXME: is needed in new hibernate?
            // applyFetchMode(root);
            }
            // 
            return query.where(predicates.toArray(new Predicate[predicates.size()])).getRestriction();
        }
    };
}