refactor: use dify_config to replace legacy usage of flask app's config (#9089)

api/extensions/storage/baidu_obs_storage.py

@@ -5,24 +5,23 @@ from collections.abc import Generator
 from baidubce.auth.bce_credentials import BceCredentials
 from baidubce.bce_client_configuration import BceClientConfiguration
 from baidubce.services.bos.bos_client import BosClient
-from flask import Flask
 
+from configs import dify_config
 from extensions.storage.base_storage import BaseStorage
 
 
 class BaiduObsStorage(BaseStorage):
     """Implementation for Baidu OBS storage."""
 
-    def __init__(self, app: Flask):
-        super().__init__(app)
-        app_config = self.app.config
-        self.bucket_name = app_config.get("BAIDU_OBS_BUCKET_NAME")
+    def __init__(self):
+        super().__init__()
+        self.bucket_name = dify_config.BAIDU_OBS_BUCKET_NAME
         client_config = BceClientConfiguration(
             credentials=BceCredentials(
-                access_key_id=app_config.get("BAIDU_OBS_ACCESS_KEY"),
-                secret_access_key=app_config.get("BAIDU_OBS_SECRET_KEY"),
+                access_key_id=dify_config.BAIDU_OBS_ACCESS_KEY,
+                secret_access_key=dify_config.BAIDU_OBS_SECRET_KEY,
             ),
-            endpoint=app_config.get("BAIDU_OBS_ENDPOINT"),
+            endpoint=dify_config.BAIDU_OBS_ENDPOINT,
         )
 
         self.client = BosClient(config=client_config)