驗證Firebase身份驗證令牌權限被拒絕

按照google docs中關於在GAE中使用Firebase進行身份驗證的指示，我正在從Android向我的後端python服務器發送授權令牌。驗證Firebase身份驗證令牌權限被拒絕

import google.auth.transport.requests 
import google.oauth2.id_token 

HTTP_REQUEST = google.auth.transport.requests.Request() 
id_token = headers['authorization'].split(' ').pop() 
user_info = google.oauth2.id_token.verify_firebase_token(
    id_token, HTTP_REQUEST)

導致以下堆棧跟蹤：

File "/Users/alex/projects/don/don_server/mobile/main.py", line 61, in get_video 
    user_id = get_user_id(self.request_state.headers) 
    File "/Users/alex/projects/don/don_server/mobile/main.py", line 37, in get_user_id 
    id_token, HTTP_REQUEST) 
    File "/Users/alex/projects/don/don_server/mobile/lib/google/oauth2/id_token.py", line 115, in verify_firebase_token 
    id_token, request, audience=audience, certs_url=_GOOGLE_APIS_CERTS_URL) 
    File "/Users/alex/projects/don/don_server/mobile/lib/google/oauth2/id_token.py", line 76, in verify_token 
    certs = _fetch_certs(request, certs_url) 
    File "/Users/alex/projects/don/don_server/mobile/lib/google/oauth2/id_token.py", line 50, in _fetch_certs 
    response = request(certs_url, method='GET') 
    File "/Users/alex/projects/don/don_server/mobile/lib/google/auth/transport/requests.py", line 111, in __call__ 
    raise exceptions.TransportError(exc) 
TransportError: ('Connection aborted.', error(13, 'Permission denied'))

我仔細檢查過我的火力點項目設置和localhost被列爲認證標誌授權域使用下面的代碼讀取令牌（我正在GAE本地開發服務器上運行此操作）。

至於我記得這是工作幾個星期前。有任何想法嗎？

UPDATE：

我實現了使用服務帳戶相同的身份驗證作爲firebase docs建議，但我得到同樣的錯誤信息：

from firebase_admin import auth, credentials 
import firebase_admin 

fpath = os.path.join(os.path.dirname(__file__), 'shared', 'firebase-admin-private-key.json') 
cred = credentials.Certificate(fpath) 
firebase_admin.initialize_app(cred)

然後處理傳入的令牌

id_token = headers['authorization'].split(' ').pop() 
user_info = auth.verify_id_token(id_token)

來源

2017-07-11 Alex

在某些時候，我升級了我的requests庫。因爲使用GAE的requestsdoesn't play well，對Firebase服務器的調用失敗。降級到版本2.3.0現在可以工作。

pip install -t lib requests==2.3.0

或者monkeypatching requests爲this answer工作建議以及！

import requests_toolbelt.adapters.appengine 

requests_toolbelt.adapters.appengine.monkeypatch()

來源

2017-07-11 19:17:22 Alex

驗證Firebase身份驗證令牌權限被拒絕

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