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# ============LICENSE_START=======================================================
# org.onap.dcae
# ================================================================================
# Copyright (c) 2021 Nokia. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
from uritools import urisplit
from fqdn import FQDN
import validators
from validators.utils import ValidationFailure
class SansParser:
def parse_sans(self, sans):
"""
Method for parsing sans. As input require SANs separated by comma (,)
Return Map with sorted SANs by type:
ips -> IPv4 or IPv6
dnss -> dns name
emails -> email
uris -> uri
Example usage:
SansParser().parse_sans("example.org,onap@onap.org,127.0.0.1,onap://cluster.local/")
Output: { "ips": [127.0.0.1],
"uris": [onap://cluster.local/],
"dnss": [example.org],
"emails": [onap@onap.org]}
"""
sans_map = {"ips": [],
"uris": [],
"dnss": [],
"emails": []}
sans_arr = sans.split(",")
for san in sans_arr:
if self._is_email(san):
sans_map["emails"].append(san)
elif self._is_ip_v4(san) or self._is_ip_v6(san):
sans_map["ips"].append(san)
elif self._is_dns(san):
sans_map["dnss"].append(san)
elif self._is_uri(san):
sans_map["uris"].append(san)
return sans_map
def _is_email(self, san):
try:
return validators.email(san)
except ValidationFailure:
return False
def _is_ip_v4(self, san):
try:
return validators.ipv4(san)
except ValidationFailure:
return False
def _is_ip_v6(self, san):
try:
return validators.ipv6(san)
except ValidationFailure:
return False
def _is_uri(self, san):
parts = urisplit(san)
return parts.isuri()
def _is_dns(self, san):
fqdn = FQDN(san, min_labels=1)
return fqdn.is_valid
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