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import logging
from ..constants import OVAL_NAMESPACES, oval_footer, oval_header
from ..xml import ElementTree
from .oval_container import OVALContainer
def _get_xml_element_from_string_shorthand(shorthand):
valid_oval_xml_string = "{}{}{}".format(oval_header, shorthand, oval_footer).encode(
"utf-8"
)
xml_element = ElementTree.fromstring(valid_oval_xml_string)
return xml_element.findall("./{%s}def-group/*" % OVAL_NAMESPACES.definition)
def _is_definition_applicable_for_product(definition, product):
if product is None or definition.is_applicable_for_product(product):
return True
logging.info(
"Definition '{}' is not applicable for product '{}'.".format(
definition.id_, product
)
)
return False
def _is_definitions_applicable_for_product(definitions_dict, product):
is_present_applicable_definition = []
for definition in definitions_dict.values():
definition.check_affected()
is_present_applicable_definition.append(
_is_definition_applicable_for_product(definition, product)
)
return any(is_present_applicable_definition)
class OVALShorthand(OVALContainer):
def _load_element(self, xml_el):
if xml_el.tag.endswith("definition"):
self.load_definition(xml_el)
elif xml_el.tag.endswith("_test"):
self.load_test(xml_el)
elif xml_el.tag.endswith("_object"):
self.load_object(xml_el)
elif xml_el.tag.endswith("_state"):
self.load_state(xml_el)
elif xml_el.tag.endswith("_variable"):
self.load_variable(xml_el)
elif xml_el.tag is not ElementTree.Comment:
logging.warning("Unknown element '{}'\n".format(xml_el.tag))
@staticmethod
def _skip_if_is_none(value, component_id):
return value is None
def validate(self, product, rule_id):
if not _is_definitions_applicable_for_product(self.definitions, product):
return False
if rule_id is not None and rule_id not in self.definitions:
raise ValueError(
(
"ERROR: OVAL definition that match the rule ID '{}'"
" do not appear in the shorthand."
).format(rule_id)
)
return True
def load_shorthand(self, xml_string):
for xml_el in _get_xml_element_from_string_shorthand(xml_string):
self._load_element(xml_el)
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