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"""
The tool to check the availability or syntax of domain, IP or URL.
::
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██████╔╝ ╚████╔╝ █████╗ ██║ ██║██╔██╗ ██║██║ █████╗ ██████╔╝██║ █████╗
██╔═══╝ ╚██╔╝ ██╔══╝ ██║ ██║██║╚██╗██║██║ ██╔══╝ ██╔══██╗██║ ██╔══╝
██║ ██║ ██║ ╚██████╔╝██║ ╚████║╚██████╗███████╗██████╔╝███████╗███████╗
╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═══╝ ╚═════╝╚══════╝╚═════╝ ╚══════╝╚══════╝
Provides the IPv6 syntax checker.
Author:
Nissar Chababy, @funilrys, contactTATAfunilrysTODTODcom
Special thanks:
https://pyfunceble.github.io/#/special-thanks
Contributors:
https://pyfunceble.github.io/#/contributors
Project link:
https://github.com/funilrys/PyFunceble
Project documentation:
https://docs.pyfunceble.com
Project homepage:
https://pyfunceble.github.io/
License:
::
Copyright 2017, 2018, 2019, 2020, 2022, 2023, 2024 Nissar Chababy
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
https://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.
"""
import ipaddress
from PyFunceble.checker.base import CheckerBase
class IPv6SyntaxChecker(CheckerBase):
"""
Provides an interface to check the syntax of an IPv6.
:param str subject:
Optional, The subject to work with.
"""
@CheckerBase.ensure_subject_is_given
def is_valid(self) -> bool:
"""
Validate the given subject.
"""
try:
try:
return ipaddress.ip_address(self.idna_subject).version == 6
except ValueError:
try:
return ipaddress.ip_interface(self.idna_subject).version == 6
except ValueError:
return (
ipaddress.ip_network(self.idna_subject, strict=False).version
== 6
)
except ValueError:
return False
@CheckerBase.ensure_subject_is_given
def is_valid_range(self) -> bool:
"""
Checks if the given subject is an IPv6 range.
"""
if self.is_valid() and "/" in self.idna_subject:
return (
0 <= int(self.idna_subject[self.idna_subject.rfind("/") + 1 :]) <= 128
)
return False
@CheckerBase.ensure_subject_is_given
def is_reserved(self) -> bool:
"""
Checks if the given subject is a reserved IPv6.
"""
if self.is_valid():
try:
address = ipaddress.IPv6Address(self.idna_subject)
return (
address.is_multicast
or address.is_private
or address.is_unspecified
or address.is_reserved
or address.is_loopback
or address.is_link_local
or not address.is_global
)
except ipaddress.AddressValueError:
pass
return False
|
