Jesse.Markowitz/ai-chatexport
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fix: remove User-Agent override to prevent TLS/UA fingerprint mismatch

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curl_cffi sets a User-Agent consistent with its JA3 TLS fingerprint.
BaseProvider's custom UA (Chrome/121) conflicted with the chrome120
TLS fingerprint, causing Cloudflare to flag the request as a bot.
Removing the UA from session headers lets curl_cffi manage its own.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
JesseMarkowitz
2026-02-28 05:27:53 -05:00
parent bb92ed2731
commit f500c038cb
1 changed files with 6 additions and 0 deletions
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6
src/providers/chatgpt.py
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@@ -40,6 +40,12 @@ class ChatGPTProvider(BaseProvider):
cf_session = curl_requests.Session(impersonate=IMPERSONATE) cf_session = curl_requests.Session(impersonate=IMPERSONATE)
super().__init__(session=cf_session) # type: ignore[arg-type] super().__init__(session=cf_session) # type: ignore[arg-type]
# Remove the User-Agent set by BaseProvider. curl_cffi sets a UA that is
# consistent with its TLS JA3 fingerprint for chrome120. If we leave a
# mismatched UA (e.g. Chrome/121 header with Chrome/120 TLS), Cloudflare's
# bot detection flags it. Removing it lets curl_cffi manage its own UA.
self._session.headers.pop("User-Agent", None)
token = session_token or os.getenv("CHATGPT_SESSION_TOKEN", "").strip() token = session_token or os.getenv("CHATGPT_SESSION_TOKEN", "").strip()
if not token: if not token:
raise ProviderError( raise ProviderError(