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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/extensions/chrome_extensions_renderer_client.h"
#include <utility>
#include "base/lazy_instance.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/common/chrome_isolated_world_ids.h"
#include "chrome/renderer/extensions/chrome_resource_request_policy_delegate.h"
#include "chrome/renderer/extensions/renderer_permissions_policy_delegate.h"
#include "chrome/renderer/process_state.h"
#include "components/guest_view/buildflags/buildflags.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/renderer_extension_registry.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/cookies/site_for_cookies.h"
#include "services/metrics/public/cpp/mojo_ukm_recorder.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "third_party/blink/public/platform/web_url.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_plugin_params.h"
#include "url/origin.h"
#if BUILDFLAG(ENABLE_GUEST_VIEW)
#include "extensions/renderer/guest_view/mime_handler_view/mime_handler_view_container_manager.h"
#endif
using extensions::Extension;
namespace {
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class GoogleDocsExtensionAvailablity {
kAvailableRegular = 0,
kNotAvailableRegular = 1,
kAvailableIncognito = 2,
kNotAvailableIncognito = 3,
kMaxValue = kNotAvailableIncognito
};
} // namespace
ChromeExtensionsRendererClient::ChromeExtensionsRendererClient() {
ExtensionsRendererClient::Set(this);
}
ChromeExtensionsRendererClient::~ChromeExtensionsRendererClient() {
ExtensionsRendererClient::Set(nullptr);
}
// static
void ChromeExtensionsRendererClient::Create() {
static base::LazyInstance<ChromeExtensionsRendererClient>::Leaky client =
LAZY_INSTANCE_INITIALIZER;
client.Pointer();
}
bool ChromeExtensionsRendererClient::IsIncognitoProcess() const {
return ::IsIncognitoProcess();
}
int ChromeExtensionsRendererClient::GetLowestIsolatedWorldId() const {
return ISOLATED_WORLD_ID_EXTENSIONS;
}
void ChromeExtensionsRendererClient::FinishInitialization() {
permissions_policy_delegate_ =
std::make_unique<extensions::RendererPermissionsPolicyDelegate>(
dispatcher());
}
std::unique_ptr<extensions::ResourceRequestPolicy::Delegate>
ChromeExtensionsRendererClient::CreateResourceRequestPolicyDelegate() {
return std::make_unique<extensions::ChromeResourceRequestPolicyDelegate>();
}
void ChromeExtensionsRendererClient::RecordMetricsForURLRequest(
blink::WebLocalFrame* frame,
const blink::WebURL& target_url) {
// TODO(crbug.com/41240557): Remove metrics after bug is fixed.
GURL request_url(target_url);
if (target_url.ProtocolIs(extensions::kExtensionScheme) &&
request_url.host_piece() == extension_misc::kDocsOfflineExtensionId) {
if (!ukm_recorder_) {
mojo::Remote<ukm::mojom::UkmRecorderFactory> factory;
content::RenderThread::Get()->BindHostReceiver(
factory.BindNewPipeAndPassReceiver());
ukm_recorder_ = ukm::MojoUkmRecorder::Create(*factory);
}
const ukm::SourceId source_id = frame->GetDocument().GetUkmSourceId();
ukm::builders::GoogleDocsOfflineExtension(source_id)
.SetResourceRequested(true)
.Record(ukm_recorder_.get());
bool is_available = extensions::RendererExtensionRegistry::Get()->GetByID(
extension_misc::kDocsOfflineExtensionId) != nullptr;
bool is_incognito = IsIncognitoProcess();
GoogleDocsExtensionAvailablity vote;
if (is_incognito) {
vote = is_available
? GoogleDocsExtensionAvailablity::kAvailableIncognito
: GoogleDocsExtensionAvailablity::kNotAvailableIncognito;
} else {
vote = is_available
? GoogleDocsExtensionAvailablity::kAvailableRegular
: GoogleDocsExtensionAvailablity::kNotAvailableRegular;
}
base::UmaHistogramEnumeration(
"Extensions.GoogleDocOffline.AvailabilityOnResourceRequest", vote);
}
}
// static
void ChromeExtensionsRendererClient::DidBlockMimeHandlerViewForDisallowedPlugin(
const blink::WebElement& plugin_element) {
#if BUILDFLAG(ENABLE_GUEST_VIEW)
extensions::MimeHandlerViewContainerManager::Get(
content::RenderFrame::FromWebFrame(
plugin_element.GetDocument().GetFrame()),
true /* create_if_does_not_exist */)
->DidBlockMimeHandlerViewForDisallowedPlugin(plugin_element);
#endif
}
// static
bool ChromeExtensionsRendererClient::MaybeCreateMimeHandlerView(
const blink::WebElement& plugin_element,
const GURL& resource_url,
const std::string& mime_type,
const content::WebPluginInfo& plugin_info) {
#if BUILDFLAG(ENABLE_GUEST_VIEW)
return extensions::MimeHandlerViewContainerManager::Get(
content::RenderFrame::FromWebFrame(
plugin_element.GetDocument().GetFrame()),
true /* create_if_does_not_exist */)
->CreateFrameContainer(plugin_element, resource_url, mime_type,
plugin_info);
#else
return false;
#endif
}
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