Carmelo Messina
ed56703892
the function is not currently exposed to websites but is only allowed for testing. disabled as it is an advanced fingerprinting mechanism. also fixed the possibility of using internal selectors (-internal-*) for speculation rules.
41 lines
2.2 KiB
Diff
41 lines
2.2 KiB
Diff
From: uazo <uazo@users.noreply.github.com>
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Date: Mon, 29 Jul 2024 06:48:25 +0000
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Subject: Disable CSS blink-feature support
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the function is not currently exposed to websites but is only allowed for testing.
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disabled as it is an potentially advanced fingerprinting mechanism.
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also fixed the possibility of using internal selectors for speculation rules.
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see https://chromium-review.googlesource.com/c/chromium/src/+/5540782
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License: GPL-2.0-or-later - https://spdx.org/licenses/GPL-2.0-or-later.html
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---
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.../blink/renderer/core/css/parser/css_supports_parser.cc | 2 +-
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.../renderer/core/speculation_rules/document_rule_predicate.cc | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/third_party/blink/renderer/core/css/parser/css_supports_parser.cc b/third_party/blink/renderer/core/css/parser/css_supports_parser.cc
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--- a/third_party/blink/renderer/core/css/parser/css_supports_parser.cc
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+++ b/third_party/blink/renderer/core/css/parser/css_supports_parser.cc
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@@ -322,7 +322,7 @@ CSSSupportsParser::Result CSSSupportsParser::ConsumeBlinkFeatureFn(
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stream.ConsumeUntilPeekedTypeIs<kRightParenthesisToken>();
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return RuntimeEnabledFeatures::IsFeatureEnabledFromString(
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feature_name_block.Peek().Value().Utf8())
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- ? Result::kSupported
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+ ? Result::kUnsupported
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: Result::kUnsupported;
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}
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diff --git a/third_party/blink/renderer/core/speculation_rules/document_rule_predicate.cc b/third_party/blink/renderer/core/speculation_rules/document_rule_predicate.cc
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--- a/third_party/blink/renderer/core/speculation_rules/document_rule_predicate.cc
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+++ b/third_party/blink/renderer/core/speculation_rules/document_rule_predicate.cc
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@@ -604,7 +604,7 @@ DocumentRulePredicate* DocumentRulePredicate::Parse(
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HeapVector<Member<StyleRule>> selectors;
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HeapVector<CSSSelector> arena;
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CSSPropertyValueSet* empty_properties =
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- ImmutableCSSPropertyValueSet::Create(nullptr, 0, kUASheetMode);
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+ ImmutableCSSPropertyValueSet::Create(nullptr, 0, kHTMLStandardMode);
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CSSParserContext* css_parser_context =
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MakeGarbageCollected<CSSParserContext>(*execution_context);
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for (auto* raw_selector : raw_selectors) {
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--
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