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content / browser / renderer_host / pepper / pepper_network_monitor_host.cc [blame]
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/pepper/pepper_network_monitor_host.h"
#include <stddef.h>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
#include "content/browser/renderer_host/pepper/pepper_socket_utils.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/common/socket_permission_request.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/private/net_address_private_impl.h"
#include "services/network/public/mojom/network_service.mojom.h"
namespace content {
namespace {
bool CanUseNetworkMonitor(bool external_plugin,
int render_process_id,
int render_frame_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
SocketPermissionRequest request = SocketPermissionRequest(
SocketPermissionRequest::NETWORK_STATE, std::string(), 0);
return pepper_socket_utils::CanUseSocketAPIs(external_plugin,
false /* private_api */,
&request,
render_process_id,
render_frame_id);
}
void OnGetNetworkList(
base::OnceCallback<void(const net::NetworkInterfaceList&)> callback,
const std::optional<net::NetworkInterfaceList>& networks) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback), networks.has_value()
? *networks
: net::NetworkInterfaceList()));
}
void GetNetworkList(
base::OnceCallback<void(const net::NetworkInterfaceList&)> callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
content::GetNetworkService()->GetNetworkList(
net::INCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES,
base::BindOnce(&OnGetNetworkList, std::move(callback)));
}
} // namespace
PepperNetworkMonitorHost::PepperNetworkMonitorHost(BrowserPpapiHostImpl* host,
PP_Instance instance,
PP_Resource resource)
: ResourceHost(host->GetPpapiHost(), instance, resource),
network_connection_tracker_(nullptr) {
int render_process_id;
int render_frame_id;
host->GetRenderFrameIDsForInstance(
instance, &render_process_id, &render_frame_id);
GetUIThreadTaskRunner({})->PostTaskAndReplyWithResult(
FROM_HERE,
base::BindOnce(&CanUseNetworkMonitor, host->external_plugin(),
render_process_id, render_frame_id),
base::BindOnce(&PepperNetworkMonitorHost::OnPermissionCheckResult,
weak_factory_.GetWeakPtr()));
}
PepperNetworkMonitorHost::~PepperNetworkMonitorHost() {
if (network_connection_tracker_)
network_connection_tracker_->RemoveNetworkConnectionObserver(this);
}
void PepperNetworkMonitorHost::OnConnectionChanged(
network::mojom::ConnectionType type) {
auto current_type = network::mojom::ConnectionType::CONNECTION_UNKNOWN;
network_connection_tracker_->GetConnectionType(¤t_type,
base::DoNothing());
if (type == current_type)
GetAndSendNetworkList();
}
void PepperNetworkMonitorHost::OnPermissionCheckResult(
bool can_use_network_monitor) {
if (!can_use_network_monitor) {
host()->SendUnsolicitedReply(pp_resource(),
PpapiPluginMsg_NetworkMonitor_Forbidden());
return;
}
GetUIThreadTaskRunner({})->PostTaskAndReplyWithResult(
FROM_HERE, base::BindOnce(&content::GetNetworkConnectionTracker),
base::BindOnce(&PepperNetworkMonitorHost::SetNetworkConnectionTracker,
weak_factory_.GetWeakPtr()));
GetAndSendNetworkList();
}
void PepperNetworkMonitorHost::SetNetworkConnectionTracker(
network::NetworkConnectionTracker* network_connection_tracker) {
DCHECK_EQ(network_connection_tracker_, nullptr);
network_connection_tracker_ = network_connection_tracker;
network_connection_tracker_->AddNetworkConnectionObserver(this);
}
void PepperNetworkMonitorHost::GetAndSendNetworkList() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
GetUIThreadTaskRunner({})->PostTask(
FROM_HERE,
base::BindOnce(&GetNetworkList,
base::BindOnce(&PepperNetworkMonitorHost::SendNetworkList,
weak_factory_.GetWeakPtr())));
}
void PepperNetworkMonitorHost::SendNetworkList(
const net::NetworkInterfaceList& list) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
std::unique_ptr<ppapi::proxy::SerializedNetworkList> list_copy(
new ppapi::proxy::SerializedNetworkList(list.size()));
for (size_t i = 0; i < list.size(); ++i) {
const net::NetworkInterface& network = list.at(i);
ppapi::proxy::SerializedNetworkInfo& network_copy = list_copy->at(i);
network_copy.name = network.name;
network_copy.addresses.resize(
1, ppapi::NetAddressPrivateImpl::kInvalidNetAddress);
bool result = ppapi::NetAddressPrivateImpl::IPEndPointToNetAddress(
network.address.bytes(), 0, &(network_copy.addresses[0]));
DCHECK(result);
// TODO(sergeyu): Currently net::NetworkInterfaceList provides
// only name and one IP address. Add all other fields and copy
// them here.
network_copy.type = PP_NETWORKLIST_TYPE_UNKNOWN;
network_copy.state = PP_NETWORKLIST_STATE_UP;
network_copy.display_name = network.name;
network_copy.mtu = 0;
}
host()->SendUnsolicitedReply(
pp_resource(), PpapiPluginMsg_NetworkMonitor_NetworkList(*list_copy));
}
} // namespace content