added support for keys in external files

dyn_gandi/main.py

@@ -1,11 +1,21 @@
-import requests, json, re
+import requests, json, re, os
 from datetime import datetime
 
 def loadSettings() -> dict:
     # TODO: check integrity
     try:
         with open('config.json', 'r') as file:
-            return json.load(file)
+            # Read if the API keys are path to files
+            config = json.load(file)
+            keys = config['api'].keys()
+            mask = dict()
+            for key in keys:
+                api_key = key
+                if os.path.exists(key):
+                    with open(key, 'r') as file:
+                        api_key = file.readline().strip()
+                mask[key] = api_key
+            config['api'] = { mask[key]: value for key, value in config['api'].items() }
     except FileNotFoundError:
         sample_config = {
             'api': {},