102 lines
4.1 KiB
Python
102 lines
4.1 KiB
Python
from rest_framework import generics
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from collections import namedtuple
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from translation import models as translation_models
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from utils import exceptions
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from rest_framework.response import Response
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# JWT
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# Login base view mixin
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class JWTViewMixin(generics.GenericAPIView):
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"""JWT view mixin"""
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ACCESS_TOKEN_HTTP = True
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ACCESS_TOKEN_SECURE = False
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REFRESH_TOKEN_HTTP = True
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REFRESH_TOKEN_SECURE = False
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COOKIE = namedtuple('COOKIE', ['key', 'value', 'http', 'secure'])
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def _check_locale(self, locale: str):
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locale_qs = translation_models.Language.objects.by_locale(locale=locale)
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if not locale_qs.exists():
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raise exceptions.LocaleNotExisted()
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return locale
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def _put_data_in_cookies(self,
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locale: str,
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access_token: str,
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refresh_token: str):
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"""
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CHECK locale in cookies and PUT access and refresh tokens there.
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cookies it is list that contain namedtuples
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cookies would contain key, value and secure parameters.
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"""
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COOKIES = list()
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# Create locale namedtuple
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locale = self.COOKIE(key='locale',
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value=locale,
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http=True,
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secure=False)
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COOKIES.append(locale)
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# Write to cookie access and refresh token with secure flag
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_access_token = self.COOKIE(key='access_token',
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value=access_token,
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http=self.ACCESS_TOKEN_HTTP,
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secure=self.ACCESS_TOKEN_SECURE)
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_refresh_token = self.COOKIE(key='refresh_token',
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value=refresh_token,
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http=self.REFRESH_TOKEN_HTTP,
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secure=self.REFRESH_TOKEN_SECURE)
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COOKIES.extend((_access_token, _refresh_token))
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return COOKIES
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def _put_cookies_in_response(self, cookies: list, response: Response):
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"""Update COOKIES in response from namedtuple"""
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for cookie in cookies:
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response.set_cookie(key=cookie.key,
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value=cookie.value,
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secure=cookie.secure)
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return response
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def _get_tokens_from_cookies(self, request, cookies: dict = None):
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"""Get user tokens from cookies and put in namedtuple"""
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_cookies = request.COOKIES or cookies
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return [self.COOKIE(key='access_token',
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value=_cookies.get('access_token'),
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http=self.ACCESS_TOKEN_HTTP,
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secure=self.ACCESS_TOKEN_SECURE),
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self.COOKIE(key='refresh_token',
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value=_cookies.get('refresh_token'),
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http=self.REFRESH_TOKEN_HTTP,
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secure=self.REFRESH_TOKEN_SECURE)]
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def get(self, request, *args, **kwargs):
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"""Implement GET method"""
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_locale = request.COOKIES.get('locale')
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try:
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locale = self._check_locale(locale=_locale)
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queryset = self.filter_queryset(self.get_queryset())
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page = self.paginate_queryset(queryset)
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if page is not None:
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serializer = self.get_serializer(page, many=True)
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response = self.get_paginated_response(serializer.data)
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else:
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serializer = self.get_serializer(queryset, many=True)
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response = Response(serializer.data)
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access_token, refresh_token = self._get_tokens_from_cookies(request)
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except exceptions.LocaleNotExisted:
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raise exceptions.LocaleNotExisted(locale=_locale)
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else:
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return self._put_cookies_in_response(
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cookies=self._put_data_in_cookies(locale=locale,
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access_token=access_token,
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refresh_token=refresh_token),
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response=response)
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