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96 lines
3.7 KiB
Python
96 lines
3.7 KiB
Python
# coding=utf-8
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"""
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@project: qabot
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@Author：虎
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@file： authenticate.py
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@date：2023/9/4 11:16
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@desc: 认证类
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"""
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import traceback
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from importlib import import_module
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from django.conf import settings
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from django.core import cache
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from django.core import signing
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from rest_framework.authentication import TokenAuthentication
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from common.exception.app_exception import AppAuthenticationFailed, AppEmbedIdentityFailed, AppChatNumOutOfBoundsFailed, \
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ChatException, AppApiException
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from django.utils.translation import gettext_lazy as _
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token_cache = cache.caches['token_cache']
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class AnonymousAuthentication(TokenAuthentication):
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def authenticate(self, request):
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return None, None
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def new_instance_by_class_path(class_path: str):
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parts = class_path.rpartition('.')
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package_path = parts[0]
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class_name = parts[2]
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module = import_module(package_path)
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HandlerClass = getattr(module, class_name)
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return HandlerClass()
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handles = [new_instance_by_class_path(class_path) for class_path in settings.AUTH_HANDLES]
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class TokenDetails:
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token_details = None
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is_load = False
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def __init__(self, token: str):
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self.token = token
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def get_token_details(self):
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if self.token_details is None and not self.is_load:
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try:
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self.token_details = signing.loads(self.token)
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except Exception as e:
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self.is_load = True
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return self.token_details
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class OpenAIKeyAuth(TokenAuthentication):
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def authenticate(self, request):
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auth = request.META.get('HTTP_AUTHORIZATION')
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auth = auth.replace('Bearer ', '')
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# 未认证
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if auth is None:
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raise AppAuthenticationFailed(1003, _('Not logged in, please log in first'))
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try:
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token_details = TokenDetails(auth)
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for handle in handles:
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if handle.support(request, auth, token_details.get_token_details):
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return handle.handle(request, auth, token_details.get_token_details)
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raise AppAuthenticationFailed(1002, _('Authentication information is incorrect! illegal user'))
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except Exception as e:
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traceback.format_exc()
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if isinstance(e, AppEmbedIdentityFailed) or isinstance(e, AppChatNumOutOfBoundsFailed) or isinstance(e,
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AppApiException):
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raise e
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raise AppAuthenticationFailed(1002, _('Authentication information is incorrect! illegal user'))
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class TokenAuth(TokenAuthentication):
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# 重新 authenticate 方法，自定义认证规则
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def authenticate(self, request):
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auth = request.META.get('HTTP_AUTHORIZATION')
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# 未认证
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if auth is None:
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raise AppAuthenticationFailed(1003, _('Not logged in, please log in first'))
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try:
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token_details = TokenDetails(auth)
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for handle in handles:
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if handle.support(request, auth, token_details.get_token_details):
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return handle.handle(request, auth, token_details.get_token_details)
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raise AppAuthenticationFailed(1002, _('Authentication information is incorrect! illegal user'))
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except Exception as e:
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traceback.format_exc()
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if isinstance(e, AppEmbedIdentityFailed) or isinstance(e, AppChatNumOutOfBoundsFailed) or isinstance(e,
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AppApiException):
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raise e
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raise AppAuthenticationFailed(1002, _('Authentication information is incorrect! illegal user'))
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