@Transactional(propagation = Propagation.SUPPORTS)
public boolean hasAccessToDevice(AccessKey accessKey, String deviceGuid) {
Set<AccessKeyPermission> permissions = accessKey.getPermissions();
Set<String> allowedDevices = new HashSet<>();
Set<Long> allowedNetworks = new HashSet<>();
User accessKeyUser = userService.findUserWithNetworks(accessKey.getUser().getId());
Set<AccessKeyPermission> toRemove = new HashSet<>();
Device device =
genericDAO
.createNamedQuery(Device.class, "Device.findByUUID", of(CacheConfig.refresh()))
.setParameter("guid", deviceGuid)
.getSingleResult();
for (AccessKeyPermission currentPermission : permissions) {
if (currentPermission.getDeviceGuidsAsSet() == null) {
allowedDevices.add(null);
} else {
if (!currentPermission.getDeviceGuidsAsSet().contains(deviceGuid)) {
toRemove.add(currentPermission);
} else {
allowedDevices.addAll(currentPermission.getDeviceGuidsAsSet());
}
}
if (currentPermission.getNetworkIdsAsSet() == null) {
allowedNetworks.add(null);
} else {
if (device.getNetwork() != null) {
if (!currentPermission.getNetworkIdsAsSet().contains(device.getNetwork().getId())) {
toRemove.add(currentPermission);
} else {
allowedNetworks.addAll(currentPermission.getNetworkIdsAsSet());
}
}
}
}
permissions.removeAll(toRemove);
boolean hasAccess;
hasAccess =
allowedDevices.contains(null)
? userService.hasAccessToDevice(accessKeyUser, device.getGuid())
: allowedDevices.contains(device.getGuid())
&& userService.hasAccessToDevice(accessKeyUser, device.getGuid());
hasAccess =
hasAccess && allowedNetworks.contains(null)
? accessKeyUser.isAdmin() || accessKeyUser.getNetworks().contains(device.getNetwork())
: (accessKeyUser.isAdmin() || accessKeyUser.getNetworks().contains(device.getNetwork()))
&& allowedNetworks.contains(device.getNetwork().getId());
return hasAccess;
}
