From 2790342a095619fef8ab715805e919d1bac83cb0 Mon Sep 17 00:00:00 2001
From: Alexander Graf <17130992+aandergr@users.noreply.github.com>
Date: Wed, 25 Mar 2020 18:17:02 +0100
Subject: [PATCH] Catch KeyError: 'authenticated' when Logging In

Fixes #472.
---
 instaloader/instaloadercontext.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/instaloader/instaloadercontext.py b/instaloader/instaloadercontext.py
index c327286..24305b0 100644
--- a/instaloader/instaloadercontext.py
+++ b/instaloader/instaloadercontext.py
@@ -239,6 +239,12 @@ class InstaloaderContext:
                                                                                                resp_json['message']))
             else:
                 raise ConnectionException("Login error: \"{}\" status.".format(resp_json['status']))
+        if 'authenticated' not in resp_json:
+            # Issue #472
+            if 'message' in resp_json:
+                raise ConnectionException("Login error: Unexpected response, \"{}\".".format(resp_json['message']))
+            else:
+                raise ConnectionException("Login error: Unexpected response, this might indicate a blocked IP.")
         if not resp_json['authenticated']:
             if resp_json['user']:
                 # '{"authenticated": false, "user": true, "status": "ok"}'