[ie/instagram] Fix extraction of older private posts (#12451)

Authored by: bashonly
1 week ago · a59abe0636
parent a90641c836
commit a59abe0636
1 changed files with 4 additions and 2 deletions
--- a/yt_dlp/extractor/instagram.py
+++ b/yt_dlp/extractor/instagram.py
@ -33,8 +33,10 @@ def _pk_to_id(media_id):


 def _id_to_pk(shortcode):
-    """Covert a shortcode to a numeric value"""
-    return decode_base_n(shortcode[:11], table=_ENCODING_CHARS)
+    """Convert a shortcode to a numeric value"""
+    if len(shortcode) > 28:
+        shortcode = shortcode[:-28]
+    return decode_base_n(shortcode, table=_ENCODING_CHARS)


 class InstagramBaseIE(InfoExtractor):