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"""
The tool to check the availability or syntax of domain, IP or URL.
::
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Provides our registrar extractor.
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, 2025 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.
"""
from typing import Any, List, Optional
from PyFunceble.helpers.regex import RegexHelper
from PyFunceble.query.whois.converter.base import ConverterBase
class RegistrarExtractor(ConverterBase):
"""
Provides an interface for the extraction of the registrar.
"""
PATTERNS: List[str] = [
r"authorized\s+agency(\s+|):(.*)",
r"domain\s+support(\s+|):(.*)",
r"registrar\s+name(\s+|):(.*)",
r"registrar_name(\s+|):(.*)",
r"registrar(\s+|):(.*)",
r"registrar\.+(\s+|):(.*)",
r"registration\s+service\s+provider(\s+|):(.*)",
r"sponsoring\s+registrar(\s+|):(.*)",
r"sponsoring\s+registrar\s+organization(\s+|):(.*)",
]
_regex_helper: Optional[RegexHelper] = None
@property
def regex_helper(self) -> "RegexHelper":
"""
Provides the regex helper to use.
"""
if self._regex_helper is None:
self._regex_helper = RegexHelper()
return self._regex_helper
@ConverterBase.data_to_convert.setter
def data_to_convert(self, value: Any) -> None:
"""
Sets the data to convert and work with.
:param value:
The record to work with.
:raise TypeError:
When the given data to convert is not :py:class:`str`.
:raise ValueError:
When the given :code:`value` is empty.
"""
if not isinstance(value, str):
raise TypeError(f"<value> should be {str}, {type(value)} given.")
if not value:
raise ValueError("<value> should not be empty.")
# pylint: disable=no-member
super(RegistrarExtractor, self.__class__).data_to_convert.fset(self, value)
def __get_line(self) -> Optional[str]:
"""
Tries to get the registrar line from the given record.
"""
for regex in self.PATTERNS:
registrar_line = self.regex_helper.set_regex(r"(?i)" + regex).match(
self.data_to_convert, return_match=True, rematch=True, group=0
)
if not registrar_line:
continue
return registrar_line
return None
@ConverterBase.ensure_data_to_convert_is_given
def get_converted(self) -> Optional[str]:
"""
Provides the registrar of the record (if found).
"""
registrar_line = self.__get_line()
if registrar_line:
try:
return [x.strip() for x in registrar_line if x.strip()][0]
except IndexError:
pass
return None
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