Fix MSGraph UsernamePassword Authentication (#497)

parsedmarc/pull/471 broke UsernamePassword authentication for me. This change fixes it.

Co-authored-by: Tim Nowaczyk <tnowaczyk@eqx-kibana-1.allpointsbroadband.net>

parsedmarc/cli.py

@@ -662,6 +662,11 @@ def _main():
                 else:
                     logger.critical("password setting missing from the "
                                     "msgraph config section")
+                if "client_secret" in graph_config:
+                    opts.graph_client_secret = graph_config["client_secret"]
+                else:
+                    logger.critical("client_secret setting missing from the "
+                                    "msgraph config section")
                     exit(-1)
 
             if opts.graph_auth_method == AuthMethod.DeviceCode.name:

parsedmarc/mail/graph.py

@@ -59,6 +59,7 @@ def _generate_credential(auth_method: str, token_path: Path, **kwargs):
     elif auth_method == AuthMethod.UsernamePassword.name:
         credential = UsernamePasswordCredential(
             client_id=kwargs['client_id'],
+            client_credential=kwargs['client_secret'],
             disable_automatic_authentication=True,
             username=kwargs['username'],
             password=kwargs['password'],