From 73a52a95b0f6c627e8fb28962c51ac291f95cd82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Mon, 12 Sep 2022 11:40:06 +0200
Subject: [PATCH] update Cloudflare IUAM detection

---
 gallery_dl/extractor/common.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gallery_dl/extractor/common.py b/gallery_dl/extractor/common.py
index 1b41101f..f7ee51f1 100644
--- a/gallery_dl/extractor/common.py
+++ b/gallery_dl/extractor/common.py
@@ -152,7 +152,8 @@ class Extractor():
                 server = response.headers.get("Server")
                 if server and server.startswith("cloudflare"):
                     if code == 503 and \
-                            b"jschl-answer" in response.content:
+                            (b"_cf_chl_opt" in response.content or
+                             b"jschl-answer" in response.content):
                         self.log.warning("Cloudflare IUAM challenge")
                         break
                     if code == 403 and \