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fix(fidelity): inject sec-ch-ua headers in extractor

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- Derive sec-ch-ua from Browser UA using HandoverValidator
- Closes gap in modern Chrome impersonation fidelity
- Verified with verify_tls.py
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Luciabrightcode 2025-12-23 17:38:16 +08:00
parent ad394d38e7
commit 720a1ebcee
1 changed files with 4 additions and 0 deletions
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4
src/extractor/client.py
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@ -1,5 +1,6 @@
from curl_cffi.requests import AsyncSession from curl_cffi.requests import AsyncSession
from src.core.session import SessionState from src.core.session import SessionState
from src.core.handover import HandoverValidator
import logging import logging
# Configure logging # Configure logging
@ -53,6 +54,9 @@ class CurlClient:
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
"Accept-Language": "en-US,en;q=0.9", "Accept-Language": "en-US,en;q=0.9",
# Add sec-ch-ua derivation here if strict mode # Add sec-ch-ua derivation here if strict mode
"sec-ch-ua": HandoverValidator.derive_sec_ch_ua(self.session_state.user_agent),
"sec-ch-ua-mobile": "?0",
"sec-ch-ua-platform": '"Windows"',
} }
logger.info(f"CurlClient initialized with impersonation: {self.session_state.tls_fingerprint}") logger.info(f"CurlClient initialized with impersonation: {self.session_state.tls_fingerprint}")