Using the refresh token parse util provided by google-auth (#118)

Author: hiranya911

firebase_admin/credentials.py

@@ -175,17 +175,7 @@ def __init__(self, refresh_token):
         if json_data.get('type') != self._CREDENTIAL_TYPE:
             raise ValueError('Invalid refresh token configuration. JSON must contain a '
                              '"type" field set to "{0}".'.format(self._CREDENTIAL_TYPE))
-        try:
-            client_id = json_data['client_id']
-            client_secret = json_data['client_secret']
-            refresh_token = json_data['refresh_token']
-        except KeyError as error:
-            raise ValueError('Failed to initialize a refresh token credential. '
-                             'Missing key: {0}'.format(error))
-        self._g_credential = credentials.Credentials(
-            token=None, refresh_token=refresh_token,
-            token_uri='https://accounts.google.com/o/oauth2/token',
-            client_id=client_id, client_secret=client_secret, scopes=_scopes)
+        self._g_credential = credentials.Credentials.from_authorized_user_info(json_data, _scopes)
 
     @property
     def client_id(self):

requirements.txt

@@ -3,7 +3,7 @@ pytest >= 3.0.6
 pytest-cov >= 2.4.0
 tox >= 2.6.0
 
-google-auth >= 1.1.0
+google-auth >= 1.3.0
 google-cloud-firestore >= 0.27.0
 google-cloud-storage >= 1.2.0
 requests >= 2.13.0

setup.py

@@ -32,9 +32,9 @@
 long_description = ('The Firebase Admin Python SDK enables server-side (backend) Python developers '
                     'to integrate Firebase into their services and applications.')
 install_requires = [
-    'google-auth>=1.1.0',
+    'google-auth>=1.3.0',
     'google-cloud-firestore>=0.27.0',
-    'google-cloud-storage>=1.2.0',    
+    'google-cloud-storage>=1.2.0',
     'requests>=2.13.0',
     'six>=1.6.1'
 ]