Use callback_url from env. set default to demo page

flickr_plugin/config.py

@@ -5,4 +5,7 @@ load_dotenv()
 
 SERVICE_NAME = "flickr"
 API_KEY = os.getenv("FLICKR_API_KEY")
-SECRET_KEY = os.getenv("FLICKR_API_SECRET")
\ No newline at end of file
+SECRET_KEY = os.getenv("FLICKR_API_SECRET")
+
+# OAuth callback url
+CALLBACK_URL = os.environ.get("CALLBACK_URL", 'https://d37rcpzq1f4qlq.cloudfront.net')
\ No newline at end of file

flickr_plugin/plugin.py

@@ -19,7 +19,7 @@ from .data.schema import (
 )
 from time import time, sleep
 from .service.flickr_api import FlickrService
-from .config import SERVICE_NAME
+from .config import SERVICE_NAME, CALLBACK_URL
 from flickrapi.auth import FlickrAccessToken
 from concurrent.futures import ThreadPoolExecutor
 from urllib.parse import parse_qs
@@ -92,7 +92,7 @@ class FlickrPlugin(PluginBase):
     def auth(self):
         oauth_flow = self.get_authentication_flow()
         if not oauth_flow or not oauth_flow.accessToken or oauth_flow.status == 'fail':
-            url = self.flickr_service.get_oauth_url('http://localhost:1234')
+            url = self.flickr_service.get_oauth_url(CALLBACK_URL)
             oauth_flow.authUrl = url
             oauth_flow.status = 'await_user_action'
             self.client.update_item(oauth_flow)