android_webview/renderer/aw_websocket_handshake_throttle_provider.cc

// Copyright 2018 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.

#include "android_webview/renderer/aw_websocket_handshake_throttle_provider.h"

#include <utility>

#include "base/feature_list.h"
#include "components/safe_browsing/features.h"
#include "components/safe_browsing/renderer/websocket_sb_handshake_throttle.h"
#include "content/public/common/content_features.h"
#include "content/public/common/service_names.mojom.h"
#include "content/public/renderer/render_thread.h"
#include "services/network/public/cpp/features.h"
#include "services/service_manager/public/cpp/connector.h"
#include "third_party/blink/public/platform/websocket_handshake_throttle.h"

namespace android_webview {

AwWebSocketHandshakeThrottleProvider::AwWebSocketHandshakeThrottleProvider() {
  DETACH_FROM_THREAD(thread_checker_);
  if (!base::FeatureList::IsEnabled(network::features::kNetworkService))
    return;
  content::RenderThread::Get()->GetConnector()->BindInterface(
      content::mojom::kBrowserServiceName,
      mojo::MakeRequest(&safe_browsing_info_));
}

AwWebSocketHandshakeThrottleProvider::~AwWebSocketHandshakeThrottleProvider() {
  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
}

AwWebSocketHandshakeThrottleProvider::AwWebSocketHandshakeThrottleProvider(
    const AwWebSocketHandshakeThrottleProvider& other) {
  DETACH_FROM_THREAD(thread_checker_);
  if (other.safe_browsing_)
    other.safe_browsing_->Clone(mojo::MakeRequest(&safe_browsing_info_));
}

std::unique_ptr<content::WebSocketHandshakeThrottleProvider>
AwWebSocketHandshakeThrottleProvider::Clone(
    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
  if (safe_browsing_info_)
    safe_browsing_.Bind(std::move(safe_browsing_info_), std::move(task_runner));
  return base::WrapUnique(new AwWebSocketHandshakeThrottleProvider(*this));
}

std::unique_ptr<blink::WebSocketHandshakeThrottle>
AwWebSocketHandshakeThrottleProvider::CreateThrottle(
    int render_frame_id,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
  DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
  if (!base::FeatureList::IsEnabled(network::features::kNetworkService))
    return nullptr;
  if (safe_browsing_info_)
    safe_browsing_.Bind(std::move(safe_browsing_info_), std::move(task_runner));
  return std::make_unique<safe_browsing::WebSocketSBHandshakeThrottle>(
      safe_browsing_.get(), render_frame_id);
}

}  // namespace android_webview