diff options
Diffstat (limited to 'src/core/client_hints.cpp')
| -rw-r--r-- | src/core/client_hints.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/core/client_hints.cpp b/src/core/client_hints.cpp new file mode 100644 index 000000000..9fa7531da --- /dev/null +++ b/src/core/client_hints.cpp @@ -0,0 +1,177 @@ +// Copyright (C) 2022 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only +#include "client_hints.h" + +#include "profile_qt.h" +#include "web_contents_delegate_qt.h" +#include "web_engine_settings.h" + +#include "components/embedder_support/user_agent_utils.h" +#include "components/keyed_service/content/browser_context_dependency_manager.h" +#include "content/public/browser/network_service_instance.h" +#include "extensions/buildflags/buildflags.h" +#include "services/network/public/cpp/is_potentially_trustworthy.h" +#include "services/network/public/cpp/network_quality_tracker.h" + +#if BUILDFLAG(ENABLE_EXTENSIONS) +#include "components/guest_view/browser/guest_view_base.h" +#endif + +namespace QtWebEngineCore { + +// based on weblayer/browser/client_hints_factory.cc: +// Copyright 2020 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// static +ClientHints *ClientHintsFactory::GetForBrowserContext(content::BrowserContext *browser_context) +{ + return static_cast<ClientHints*>(GetInstance()->GetServiceForBrowserContext(browser_context, true)); +} + +// static +ClientHintsFactory *ClientHintsFactory::GetInstance() +{ + static base::NoDestructor<ClientHintsFactory> factory; + return factory.get(); +} + +ClientHintsFactory::ClientHintsFactory() + : BrowserContextKeyedServiceFactory("ClientHints", BrowserContextDependencyManager::GetInstance()) +{ +} + +ClientHintsFactory::~ClientHintsFactory() = default; + +KeyedService *ClientHintsFactory::BuildServiceInstanceFor(content::BrowserContext *context) const +{ + return new ClientHints(context); +} + +content::BrowserContext *ClientHintsFactory::GetBrowserContextToUse(content::BrowserContext *context) const +{ + return context; +} + +// based on components/client_hints/browser/in_memory_client_hints_controller_delegate.cc: +// Copyright 2022 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +ClientHints::ClientHints(content::BrowserContext *context) + : context_(context) +{ +} + +ClientHints::~ClientHints() = default; + +// Enabled Client Hints are only cached and not persisted in this +// implementation. +void ClientHints::PersistClientHints(const url::Origin &primary_origin, + content::RenderFrameHost *parent_rfh, + const std::vector<network::mojom::WebClientHintsType> &client_hints) +{ + DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); + const GURL primary_url = primary_origin.GetURL(); + DCHECK(primary_url.is_valid()); + if (!network::IsUrlPotentiallyTrustworthy(primary_url)) + return; + + // Client hints should only be enabled when JavaScript is enabled. + if (!IsJavaScriptAllowed(primary_url, parent_rfh)) + return; + + blink::EnabledClientHints enabled_hints; + ProfileAdapter *profileAdapter = static_cast<ProfileQt *>(context_)->profileAdapter(); + for (auto hint : client_hints) { + enabled_hints.SetIsEnabled(hint, profileAdapter->clientHintsEnabled()); + } + accept_ch_cache_[primary_origin] = enabled_hints; +} + +// Looks up enabled Client Hints for the URL origin, and adds additional Client +// Hints if set. +void ClientHints::GetAllowedClientHintsFromSource(const url::Origin &origin, + blink::EnabledClientHints *client_hints) +{ + DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); + DCHECK(client_hints); + // Can not assert this, as we get here for unregistered custom schemes: + if (!network::IsOriginPotentiallyTrustworthy(origin)) + return; + + const auto &it = accept_ch_cache_.find(origin); + if (it != accept_ch_cache_.end()) { + *client_hints = it->second; + } + + ProfileAdapter *profileAdapter = static_cast<ProfileQt *>(context_)->profileAdapter(); + for (auto hint : additional_hints_) + client_hints->SetIsEnabled(hint, profileAdapter->clientHintsEnabled()); +} + +void ClientHints::SetAdditionalClientHints(const std::vector<network::mojom::WebClientHintsType> &hints) +{ + DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); + additional_hints_ = hints; +} + +void ClientHints::ClearAdditionalClientHints() +{ + DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); + additional_hints_.clear(); +} + +network::NetworkQualityTracker *ClientHints::GetNetworkQualityTracker() +{ + DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); + if (!network_quality_tracker_) { + network_quality_tracker_ = + std::make_unique<network::NetworkQualityTracker>( + base::BindRepeating(&content::GetNetworkService)); + } + return network_quality_tracker_.get(); +} + +bool ClientHints::IsJavaScriptAllowed(const GURL &url, content::RenderFrameHost *parent_rfh) +{ + content::WebContents *webContents = content::WebContents::FromRenderFrameHost(parent_rfh); + +#if BUILDFLAG(ENABLE_EXTENSIONS) + if (webContents && guest_view::GuestViewBase::IsGuest(webContents)) + webContents = guest_view::GuestViewBase::GetTopLevelWebContents(webContents); +#endif + + if (webContents) { + WebContentsDelegateQt* delegate = + static_cast<WebContentsDelegateQt*>(webContents->GetDelegate()); + if (delegate) { + WebEngineSettings *settings = delegate->webEngineSettings(); + if (settings) + return settings->testAttribute(QWebEngineSettings::JavascriptEnabled); + } + } + return true; +} + +bool ClientHints::AreThirdPartyCookiesBlocked(const GURL &url, content::RenderFrameHost *rfh) +{ + return false; // we probably can not report anything more specific +} + +blink::UserAgentMetadata ClientHints::GetUserAgentMetadata() +{ + return static_cast<ProfileQt *>(context_)->userAgentMetadata(); +} + +void ClientHints::SetMostRecentMainFrameViewportSize( + const gfx::Size& viewport_size) { + viewport_size_ = viewport_size; +} + +gfx::Size +ClientHints::GetMostRecentMainFrameViewportSize() { + return viewport_size_; +} +} // namespace |