local function _split(s, sep)
	if not s then return nil; end
	sep = sep or ",";
	local parts = {};
	for part in s:gmatch("[^"..sep.."]+") do
		parts[#parts+1] = part;
	end
	return parts;
end

e2e_policy_chat = os.getenv("E2E_POLICY_CHAT")
e2e_policy_muc = os.getenv("E2E_POLICY_MUC")
e2e_policy_whitelist = _split(os.getenv("E2E_POLICY_WHITELIST"), ", ")
e2e_policy_message_optional_chat = "For security reasons, OMEMO, OTR or PGP encryption is STRONGLY recommended for conversations on this server."
e2e_policy_message_required_chat = "For security reasons, OMEMO, OTR or PGP encryption is required for conversations on this server."
e2e_policy_message_optional_muc = "For security reasons, OMEMO, OTR or PGP encryption is STRONGLY recommended for MUC on this server."
e2e_policy_message_required_muc = "For security reasons, OMEMO, OTR or PGP encryption is required for MUC on this server."