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65 lines
2.1 KiB
Python
65 lines
2.1 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 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.auth.handle.impl.application_key import ApplicationKey
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from common.auth.handle.impl.public_access_token import PublicAccessToken
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from common.auth.handle.impl.user_token import UserToken
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from common.exception.app_exception import AppAuthenticationFailed, AppEmbedIdentityFailed, AppChatNumOutOfBoundsFailed
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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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handles = [UserToken(), PublicAccessToken(), ApplicationKey()]
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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 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, '未登录,请先登录')
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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, "身份验证信息不正确！非法用户")
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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):
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raise e
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raise AppAuthenticationFailed(1002, "身份验证信息不正确！非法用户")
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