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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "headless/lib/browser/headless_client_hints_controller_delegate.h"
#include "base/feature_list.h"
#include "components/embedder_support/user_agent_utils.h"
#include "content/public/common/content_features.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "services/network/public/mojom/web_client_hints_types.mojom.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace headless {
namespace {
// These hints need a network quality tracker, which headless does not support,
// so never permit them.
constexpr network::mojom::WebClientHintsType kNotSupportedClientHints[] = {
network::mojom::WebClientHintsType::kRtt_DEPRECATED,
network::mojom::WebClientHintsType::kDownlink_DEPRECATED,
network::mojom::WebClientHintsType::kEct_DEPRECATED,
};
} // namespace
HeadlessClientHintsControllerDelegate::HeadlessClientHintsControllerDelegate() =
default;
HeadlessClientHintsControllerDelegate::
~HeadlessClientHintsControllerDelegate() = default;
// Always returns nullptr.
network::NetworkQualityTracker*
HeadlessClientHintsControllerDelegate::GetNetworkQualityTracker() {
return nullptr;
}
// Network related hints are disabled unconditionally due to not having a
// NetworkQualityTracker.
void HeadlessClientHintsControllerDelegate::GetAllowedClientHintsFromSource(
const url::Origin& origin,
blink::EnabledClientHints* client_hints) {
DCHECK(client_hints);
const auto& it = persist_hints_.find(origin);
if (it != persist_hints_.end()) {
*client_hints = it->second;
}
for (auto hint : additional_hints_) {
client_hints->SetIsEnabled(hint, true);
}
for (auto& hint : kNotSupportedClientHints) {
client_hints->SetIsEnabled(hint, false);
}
}
// TODO(crbug.com/40257952): Currently always returns true.
bool HeadlessClientHintsControllerDelegate::IsJavaScriptAllowed(
const GURL& url,
content::RenderFrameHost* parent_rfh) {
return true;
}
blink::UserAgentMetadata
HeadlessClientHintsControllerDelegate::GetUserAgentMetadata() {
return HeadlessBrowser::GetUserAgentMetadata();
}
void HeadlessClientHintsControllerDelegate::PersistClientHints(
const url::Origin& primary_origin,
content::RenderFrameHost* parent_rfh,
const std::vector<network::mojom::WebClientHintsType>& client_hints) {
const GURL primary_url = primary_origin.GetURL();
if (!primary_url.is_valid() ||
!network::IsUrlPotentiallyTrustworthy(primary_url)) {
return;
}
if (!IsJavaScriptAllowed(primary_url, parent_rfh)) {
return;
}
blink::EnabledClientHints persist_hints;
for (const auto& type : client_hints) {
persist_hints.SetIsEnabled(type, true);
}
persist_hints_[primary_origin] = persist_hints;
}
void HeadlessClientHintsControllerDelegate::SetAdditionalClientHints(
const std::vector<network::mojom::WebClientHintsType>& client_hints) {
additional_hints_ = client_hints;
}
void HeadlessClientHintsControllerDelegate::ClearAdditionalClientHints() {
additional_hints_.clear();
}
void HeadlessClientHintsControllerDelegate::SetMostRecentMainFrameViewportSize(
const gfx::Size& viewport_size) {
viewport_size_ = viewport_size;
}
gfx::Size
HeadlessClientHintsControllerDelegate::GetMostRecentMainFrameViewportSize() {
return viewport_size_;
}
} // namespace headless
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