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[common] use 'cf-mitigated' header to detect challenges

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Mike Fährmann 2024-09-07 20:16:06 +02:00
parent 4b04ccb3a1
commit 0db3c11ab0
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1 changed files with 4 additions and 0 deletions
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gallery_dl/extractor/common.py
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@ -196,6 +196,10 @@ class Extractor():
server = response.headers.get("Server")
if server and server.startswith("cloudflare") and \
code in (403, 503):
mitigated = response.headers.get("cf-mitigated")
if mitigated and mitigated.lower() == "challenge":
self.log.warning("Cloudflare challenge")
break
content = response.content
if b"_cf_chl_opt" in content or b"jschl-answer" in content:
self.log.warning("Cloudflare challenge")