Canada

For both, yes, parents have the freedom to raise their children within the limits set forth by the law including the Charter of Rights and Freedoms.

So parents can (try to) prevent their children from accessing pornography, but that doesn't mean parents have carte blanche to violate their human rights under the Charter. Parents can't legally beat or sexually abuse their children, either.

There have always been limits to parental authority when they violate children's human rights.