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63 lines
2.4 KiB
63 lines
2.4 KiB
from django.conf import settings
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from django.utils.module_loading import import_string
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from django.utils.translation import ugettext_lazy as _
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from common.utils import get_logger
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from django.contrib.auth import get_user_model
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from authentication.signals import user_auth_failed, user_auth_success
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from .base import JMSModelBackend
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logger = get_logger(__file__)
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custom_authenticate_method = None
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if settings.AUTH_CUSTOM:
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""" 保证自定义认证方法在服务运行时不能被更改，只在第一次调用时加载一次 """
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try:
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custom_auth_method_path = 'data.auth.main.authenticate'
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custom_authenticate_method = import_string(custom_auth_method_path)
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except Exception as e:
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logger.warning('Import custom auth method failed: {}, Maybe not enabled'.format(e))
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class CustomAuthBackend(JMSModelBackend):
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def is_enabled(self):
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return settings.AUTH_CUSTOM and callable(custom_authenticate_method)
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@staticmethod
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def get_or_create_user_from_userinfo(userinfo: dict):
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username = userinfo['username']
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attrs = ['name', 'username', 'email', 'is_active']
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defaults = {attr: userinfo[attr] for attr in attrs}
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user, created = get_user_model().objects.get_or_create(
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username=username, defaults=defaults
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)
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return user, created
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def authenticate(self, request, username=None, password=None, **kwargs):
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try:
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userinfo: dict = custom_authenticate_method(
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username=username, password=password, **kwargs
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)
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user, created = self.get_or_create_user_from_userinfo(userinfo)
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except Exception as e:
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logger.error('Custom authenticate error: {}'.format(e))
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return None
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if self.user_can_authenticate(user):
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logger.info(f'Custom authenticate success: {user.username}')
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user_auth_success.send(
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sender=self.__class__, request=request, user=user,
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backend=settings.AUTH_BACKEND_CUSTOM
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)
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return user
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else:
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logger.info(f'Custom authenticate failed: {user.username}')
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user_auth_failed.send(
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sender=self.__class__, request=request, username=user.username,
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reason=_('User invalid, disabled or expired'),
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backend=settings.AUTH_BACKEND_CUSTOM
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)
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return None
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