From 58e55198c1b13949b20f6912feed9ec9d9214950 Mon Sep 17 00:00:00 2001
From: Andrew Udvare <audvare@gmail.com>
Date: Mon, 28 Oct 2019 03:54:03 -0400
Subject: [PATCH] [instagram] Fix extraction when authenticated (closes #27422)

---
 youtube_dl/extractor/instagram.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/youtube_dl/extractor/instagram.py b/youtube_dl/extractor/instagram.py
index b061850a1..0755896de 100644
--- a/youtube_dl/extractor/instagram.py
+++ b/youtube_dl/extractor/instagram.py
@@ -137,6 +137,16 @@ class InstagramIE(InfoExtractor):
                 (lambda x: x['entry_data']['PostPage'][0]['graphql']['shortcode_media'],
                  lambda x: x['entry_data']['PostPage'][0]['media']),
                 dict)
+            if not media:
+                additional_data = self._parse_json(
+                    self._search_regex(r'window\.__additionalDataLoaded\(\'[^\']+\',\s*({.+?})\);',
+                                       webpage, 'additional data', default='{}'),
+                    video_id, fatal=False)
+                if additional_data:
+                    media = try_get(
+                        additional_data,
+                        lambda x: x['graphql']['shortcode_media'],
+                        dict)
             if media:
                 video_url = media.get('video_url')
                 height = int_or_none(media.get('dimensions', {}).get('height'))