fix(emulator): add anonymous credentials for emulator

Spirans · Spirans · commit 76c8cde41763 · 2023-08-14T23:36:32.000+03:00
diff --git a/firebase_admin/storage.py b/firebase_admin/storage.py
@@ -25,8 +25,9 @@
     raise ImportError('Failed to import the Cloud Storage library for Python. Make sure '
                       'to install the "google-cloud-storage" module.')
 
-from firebase_admin import _utils
+import os
 
+from firebase_admin import _utils
 
 _STORAGE_ATTRIBUTE = '_storage'
 
@@ -61,7 +62,11 @@ def __init__(self, credentials, project, default_bucket):
 
     @classmethod
     def from_app(cls, app):
-        credentials = app.credential.get_credential()
+        if os.getenv("STORAGE_EMULATOR_HOST") is not None:
+            from google.auth.credentials import AnonymousCredentials
+            credentials = AnonymousCredentials()
+        else:
+            credentials = app.credential.get_credential()
         default_bucket = app.options.get('storageBucket')
         # Specifying project ID is not required, but providing it when available
         # significantly speeds up the initialization of the storage client.
