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Geo-aware locale, audio noise off, font prefs for the bundled-font binary

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locale defaults to "auto" and resolves from the proxy egress country the same
way timezone does - it reuses the egress IP, maps the country to a BCP-47 locale
with the offline mmdb, and falls back to en-US. prefs emit juggler.locale.override
(the full Accept-Language list) so the binary keeps navigator.languages and the
Intl default locale in sync.

The audio fingerprint noise is off in the baseline. Font prefs match the new
binary: the sampled whitelist drives font.system.whitelist, system-ui is Segoe
UI, the bundled fonts are activated, and the CSS generics are pinned to Windows
defaults so they resolve on a non-Windows host too.
This commit is contained in:
feder-cr 2026-06-23 17:51:58 +02:00
parent 8f4b20a19d
commit 3c0efa2d4f
13 changed files with 353 additions and 1015 deletions
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53
tests/test_prefs.py
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@ -5,9 +5,7 @@ import pytest
from invisible_playwright._fpforge import generate_profile
from invisible_playwright.prefs import (
_LINUX_GENERIC_FONT_FACTORS,
_accept_language,
_font_metrics_for_platform,
_WIN_LIGHT_COLORS,
translate_profile_to_prefs,
)
@ -82,29 +80,6 @@ def test_accept_language_underscore_normalized():
assert _accept_language("pt_BR") == "pt-BR, pt"
# ──────────────────────────────────────────────────────────────────────
# _font_metrics_for_platform
# ──────────────────────────────────────────────────────────────────────
@pytest.mark.unit
def test_font_metrics_windows_applies_named_factors(monkeypatch):
# FM2: Windows/mac apply the per-NAMED-font factors (so whitelisted named
# families don't collapse to the list-head width on the canvas measureText
# path), but WITHOUT the Linux generic-family compensation (generics bypass
# the whitelist and render native there).
monkeypatch.setattr(sys, "platform", "win32")
out = _font_metrics_for_platform("Arial|1.0,Verdana|0.9,")
assert out == "Arial|1.0,Verdana|0.9,"
assert "sans-serif|" not in out # no generic compensation on Windows
@pytest.mark.unit
def test_font_metrics_empty_input_returns_empty():
# FM3: Empty input always returns "" regardless of platform.
assert _font_metrics_for_platform("") == ""
# ──────────────────────────────────────────────────────────────────────
# Platform-specific GPU / MSAA (Windows)
# ──────────────────────────────────────────────────────────────────────
@ -385,34 +360,6 @@ def test_lan_ip_seed_zero_has_no_zero_octets():
# ──────────────────────────────────────────────────────────────────────
@pytest.mark.unit
def test_font_metrics_linux_prepends_generic_factors(monkeypatch):
# FM1: Linux prepends the GTK/DejaVu compensation block to the
# per-font metrics string sampled from the profile.
monkeypatch.setattr(sys, "platform", "linux")
out = _font_metrics_for_platform("Arial|1.0,Verdana|0.9,")
assert out.startswith(_LINUX_GENERIC_FONT_FACTORS)
assert out.endswith("Arial|1.0,Verdana|0.9,")
@pytest.mark.unit
def test_font_metrics_linux_empty_input_returns_empty(monkeypatch):
# FM1b: even on Linux, empty profile metrics short-circuits before
# the prepend so we never emit a metrics pref containing only the
# generic block (which would surface as a tampering signal).
monkeypatch.setattr(sys, "platform", "linux")
assert _font_metrics_for_platform("") == ""
@pytest.mark.unit
def test_font_metrics_linux2_variant_uses_linux_branch(monkeypatch):
# FM1c: ``sys.platform`` can be ``linux2`` on older Pythons / odd
# WSL builds. ``startswith("linux")`` accepts both.
monkeypatch.setattr(sys, "platform", "linux2")
out = _font_metrics_for_platform("Verdana|0.9,")
assert out.startswith(_LINUX_GENERIC_FONT_FACTORS)
@pytest.mark.unit
def test_gpu_renderer_set_from_profile_on_linux(monkeypatch):
# PG1: on Linux (as on EVERY host) we apply the camoufox-derived Windows-ANGLE GPU persona,