Garry Tan
1067b12e96
fix(browse): recreateContext() re-applies stealth (closes 4th un-stealth path)
...
useragent and viewport --scale route through recreateContext(), which rebuilds
the BrowserContext via newContext() — a fresh context with no init scripts. It
never called applyStealth, so a routine useragent/viewport-scale command
silently dropped webdriver masking, window.chrome.* shape, hardware spoof, and
the cdc/Permissions cleanup on every restored page. Caught by the cross-model
adversarial review (Codex) after the Claude pass and eng review missed it.
Both the main and fallback paths now call applyStealth before any page is
created. The launch-path tripwire is raised to >= 4 sites and now asserts the
recreateContext() body specifically, so the regression class can't recur.
Also documents the load-bearing trust assumption on buildGStackLaunchArgs /
readHostProfile (GSTACK_* must be gbd-sourced, never page/remote data — the
injection-safety argument depends on it) and the notifications-permission
spoof tradeoff.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com >
2026-06-18 01:39:23 -07:00
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