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LeOSium_webview/LeOS/patches/Client-hints-overrides.patch

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From: csagan5 <32685696+csagan5@users.noreply.github.com>
Date: Thu, 22 Jul 2021 23:10:52 +0200
Subject: Client hints overrides
Disable critical client hints and network early hints
Use Google Chrome branding for client hints
License: GPL-3.0-only - https://spdx.org/licenses/GPL-3.0-only.html
---
components/embedder_support/user_agent_utils.cc | 4 +---
content/browser/client_hints/client_hints.cc | 3 ++-
content/browser/loader/navigation_url_loader_impl.cc | 5 +++++
content/common/features.cc | 4 ++--
net/http/http_network_transaction.cc | 1 +
services/network/public/cpp/client_hints.cc | 1 +
services/network/public/cpp/features.cc | 2 +-
third_party/blink/common/client_hints/client_hints.cc | 1 +
.../blink/common/client_hints/enabled_client_hints.cc | 4 +++-
.../blink/renderer/platform/runtime_enabled_features.json5 | 4 ++--
10 files changed, 19 insertions(+), 10 deletions(-)
diff --git a/components/embedder_support/user_agent_utils.cc b/components/embedder_support/user_agent_utils.cc
--- a/components/embedder_support/user_agent_utils.cc
+++ b/components/embedder_support/user_agent_utils.cc
@@ -187,9 +187,7 @@ const blink::UserAgentBrandList GetUserAgentBrandList(
bool parse_result = base::StringToInt(major_version, &major_version_number);
DCHECK(parse_result);
absl::optional<std::string> brand;
-#if !BUILDFLAG(CHROMIUM_BRANDING)
- brand = version_info::GetProductName();
-#endif
+ brand = "Google Chrome";
absl::optional<std::string> maybe_brand_override =
base::GetFieldTrialParamValueByFeature(features::kGreaseUACH,
"brand_override");
diff --git a/content/browser/client_hints/client_hints.cc b/content/browser/client_hints/client_hints.cc
--- a/content/browser/client_hints/client_hints.cc
+++ b/content/browser/client_hints/client_hints.cc
@@ -516,7 +516,8 @@ void AddPrefersReducedTransparencyHeader(net::HttpRequestHeaders* headers,
: network::kPrefersReducedTransparencyNoPreference);
}
-bool IsValidURLForClientHints(const url::Origin& origin) {
+bool IsValidURLForClientHints(const url::Origin& origin) { // disabled in Bromite
+ if ((true)) return false;
return network::IsOriginPotentiallyTrustworthy(origin);
}
diff --git a/content/browser/loader/navigation_url_loader_impl.cc b/content/browser/loader/navigation_url_loader_impl.cc
--- a/content/browser/loader/navigation_url_loader_impl.cc
+++ b/content/browser/loader/navigation_url_loader_impl.cc
@@ -1067,6 +1067,11 @@ void NavigationURLLoaderImpl::OnAcceptCHFrameReceived(
return;
}
+ if (!base::FeatureList::IsEnabled(network::features::kAcceptCHFrame)) {
+ std::move(callback).Run(net::OK);
+ return;
+ }
+
LogAcceptCHFrameStatus(AcceptCHFrameRestart::kFramePresent);
// Given that this is happening in the middle of navigation, there should
diff --git a/content/common/features.cc b/content/common/features.cc
--- a/content/common/features.cc
+++ b/content/common/features.cc
@@ -114,8 +114,8 @@ BASE_FEATURE(kConsolidatedMovementXY,
// Enables support for the `Critical-CH` response header.
// https://github.com/WICG/client-hints-infrastructure/blob/master/reliability.md#critical-ch
BASE_FEATURE(kCriticalClientHint,
- "CriticalClientHint",
- base::FEATURE_ENABLED_BY_DEFAULT);
+ "CriticalClientHint", // disabled
+ base::FEATURE_DISABLED_BY_DEFAULT); // by default
// Enable changing source dynamically for desktop capture.
BASE_FEATURE(kDesktopCaptureChangeSource,
diff --git a/net/http/http_network_transaction.cc b/net/http/http_network_transaction.cc
--- a/net/http/http_network_transaction.cc
+++ b/net/http/http_network_transaction.cc
@@ -99,6 +99,7 @@ const size_t kMaxRestarts = 32;
// Returns true when Early Hints are allowed on the given protocol.
bool EarlyHintsAreAllowedOn(HttpResponseInfo::ConnectionInfo connection_info) {
+ if ((true)) return false;
switch (connection_info) {
case HttpResponseInfo::ConnectionInfo::CONNECTION_INFO_HTTP0_9:
case HttpResponseInfo::ConnectionInfo::CONNECTION_INFO_HTTP1_0:
diff --git a/services/network/public/cpp/client_hints.cc b/services/network/public/cpp/client_hints.cc
--- a/services/network/public/cpp/client_hints.cc
+++ b/services/network/public/cpp/client_hints.cc
@@ -120,6 +120,7 @@ const DecodeMap& GetDecodeMap() {
absl::optional<std::vector<network::mojom::WebClientHintsType>>
ParseClientHintsHeader(const std::string& header) {
+ if ((true)) return absl::nullopt;
// Accept-CH is an sh-list of tokens; see:
// https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-header-structure-19#section-3.1
absl::optional<net::structured_headers::List> maybe_list =
diff --git a/services/network/public/cpp/features.cc b/services/network/public/cpp/features.cc
--- a/services/network/public/cpp/features.cc
+++ b/services/network/public/cpp/features.cc
@@ -207,7 +207,7 @@ BASE_FEATURE(kWebSocketReassembleShortMessages,
// Enable support for ACCEPT_CH H2/3 frame as part of Client Hint Reliability.
// See:
// https://tools.ietf.org/html/draft-davidben-http-client-hint-reliability-02#section-4.3
-BASE_FEATURE(kAcceptCHFrame, "AcceptCHFrame", base::FEATURE_ENABLED_BY_DEFAULT);
+BASE_FEATURE(kAcceptCHFrame, "AcceptCHFrame", base::FEATURE_DISABLED_BY_DEFAULT); // disabled by default in Bromite
// Enable
BASE_FEATURE(kGetCookiesStringUma,
diff --git a/third_party/blink/common/client_hints/client_hints.cc b/third_party/blink/common/client_hints/client_hints.cc
--- a/third_party/blink/common/client_hints/client_hints.cc
+++ b/third_party/blink/common/client_hints/client_hints.cc
@@ -105,6 +105,7 @@ const PolicyFeatureToClientHintMap& GetPolicyFeatureToClientHintMap() {
}
bool IsClientHintSentByDefault(network::mojom::WebClientHintsType type) {
+ if ((true)) return false;
switch (type) {
case network::mojom::WebClientHintsType::kSaveData:
case network::mojom::WebClientHintsType::kUA:
diff --git a/third_party/blink/common/client_hints/enabled_client_hints.cc b/third_party/blink/common/client_hints/enabled_client_hints.cc
--- a/third_party/blink/common/client_hints/enabled_client_hints.cc
+++ b/third_party/blink/common/client_hints/enabled_client_hints.cc
@@ -15,6 +15,7 @@ namespace {
using ::network::mojom::WebClientHintsType;
bool IsDisabledByFeature(const WebClientHintsType type) {
+ if ((true)) return true;
switch (type) {
case WebClientHintsType::kUA:
case WebClientHintsType::kUAArch:
@@ -99,7 +100,7 @@ bool IsDisabledByFeature(const WebClientHintsType type) {
} // namespace
bool EnabledClientHints::IsEnabled(const WebClientHintsType type) const {
- return enabled_types_[static_cast<int>(type)];
+ return false;
}
void EnabledClientHints::SetIsEnabled(const WebClientHintsType type,
@@ -110,6 +111,7 @@ void EnabledClientHints::SetIsEnabled(const WebClientHintsType type,
std::vector<WebClientHintsType> EnabledClientHints::GetEnabledHints() const {
std::vector<WebClientHintsType> hints;
+ if ((true)) return hints;
for (const auto& elem : network::GetClientHintToNameMap()) {
const auto& type = elem.first;
if (IsEnabled(type))
diff --git a/third_party/blink/renderer/platform/runtime_enabled_features.json5 b/third_party/blink/renderer/platform/runtime_enabled_features.json5
--- a/third_party/blink/renderer/platform/runtime_enabled_features.json5
+++ b/third_party/blink/renderer/platform/runtime_enabled_features.json5
@@ -3906,8 +3906,8 @@
public: true,
},
{
- name: "UserAgentClientHint",
- status: "stable",
+ name: "UserAgentClientHint", // always disabled
+ status: "experimental", // in bromite
},
{
// https://chromestatus.com/feature/5132477781245952
--
2.25.1
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