[youtube] Use sp field value for signature field name (closes #18841, closes #18927, closes #21028)

6 years ago · 027ffdca0d
parent a5b92d3590
commit 027ffdca0d
1 changed files with 2 additions and 1 deletions
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@ -1987,7 +1987,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):

                    signature = self._decrypt_signature(
                        encrypted_sig, video_id, player_url, age_gate)
-                    url += '&signature=' + signature
+                    sp = try_get(url_data, lambda x: x['sp'][0], compat_str) or 'signature'
+                    url += '&%s=%s' % (sp, signature)
                if 'ratebypass' not in url:
                    url += '&ratebypass=yes'