fix `request error 401` problem (finally)

it turns out after reboot, we forget to re-authenticate in the script

dpt-tools.py

@@ -107,6 +107,8 @@ def main():
             "Make sure your id, key, and ip addresses are correct."
         )
         exit(1)
+    dpt.client_id_fp = args.get('dpt_id', "")
+    dpt.key_fp = args.get('dpt_key', "")
 
     interactive(dpt, diagnosis=args.get('diagnosis', False))
 

python_api/libDPT.py

@@ -25,6 +25,8 @@ class DPT():
         8444/tcp  open     unknown
         8445/tcp  open     unknown
         '''
+        self.client_id_fp = ""
+        self.key_fp = ""
         self.debug = debug
         if addr is None:
             self.addr = "digitalpaper.local"

python_api/libInteractive.py

@@ -125,6 +125,11 @@ def obtain_diagnosis_access(dpt):
     except BaseException as e:
         dpt.err_print(str(e))
         return False
+    if not dpt.authenticate(dpt.client_id_fp, dpt.key_fp):
+        dpt.err_print("Cannot reauthenticate after reboot")
+        dpt.err_print("Client id filepath: {}".format(dpt.client_id_fp))
+        dpt.err_print("Client key filepath: {}".format(dpt.key_fp))
+        return False
     # step 2: reset root password
     if not reset_root_password(dpt):
         return False