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// Copyright 2012 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/p2p/socket_dispatcher_host.h"
#include <stddef.h>
#include <algorithm>
#include "base/containers/heap_array.h"
#include "base/functional/bind.h"
#include "content/browser/bad_message.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/storage_partition_impl.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/remote_set.h"
#include "net/base/net_errors.h"
#include "services/network/public/cpp/p2p_param_traits.h"
#include "services/network/public/mojom/network_context.mojom.h"
using content::BrowserMessageFilter;
using content::BrowserThread;
namespace content {
P2PSocketDispatcherHost::P2PSocketDispatcherHost(int render_process_id)
: render_process_id_(render_process_id) {}
P2PSocketDispatcherHost::~P2PSocketDispatcherHost() = default;
void P2PSocketDispatcherHost::StartRtpDump(
bool incoming,
bool outgoing,
RenderProcessHost::WebRtcRtpPacketCallback packet_callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if ((!dump_incoming_rtp_packet_ && incoming) ||
(!dump_outgoing_rtp_packet_ && outgoing)) {
if (incoming)
dump_incoming_rtp_packet_ = true;
if (outgoing)
dump_outgoing_rtp_packet_ = true;
packet_callback_ = std::move(packet_callback);
for (auto& trusted_socket_manager : trusted_socket_managers_) {
trusted_socket_manager->StartRtpDump(incoming, outgoing);
}
}
}
void P2PSocketDispatcherHost::StopRtpDump(bool incoming, bool outgoing) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if ((dump_incoming_rtp_packet_ && incoming) ||
(dump_outgoing_rtp_packet_ && outgoing)) {
if (incoming)
dump_incoming_rtp_packet_ = false;
if (outgoing)
dump_outgoing_rtp_packet_ = false;
if (!dump_incoming_rtp_packet_ && !dump_outgoing_rtp_packet_)
packet_callback_.Reset();
for (auto& trusted_socket_manager : trusted_socket_managers_) {
trusted_socket_manager->StopRtpDump(incoming, outgoing);
}
}
}
void P2PSocketDispatcherHost::BindReceiver(
RenderProcessHostImpl& process,
mojo::PendingReceiver<network::mojom::P2PSocketManager> receiver,
net::NetworkAnonymizationKey anonymization_key,
const GlobalRenderFrameHostId& render_frame_host_id) {
DCHECK_EQ(process.GetDeprecatedID(), render_process_id_);
mojo::PendingRemote<network::mojom::P2PTrustedSocketManagerClient>
trusted_socket_manager_client;
receivers_.Add(
this, trusted_socket_manager_client.InitWithNewPipeAndPassReceiver());
mojo::PendingRemote<network::mojom::P2PTrustedSocketManager>
pending_trusted_socket_manager;
process.GetStoragePartition()->GetNetworkContext()->CreateP2PSocketManager(
anonymization_key, std::move(trusted_socket_manager_client),
pending_trusted_socket_manager.InitWithNewPipeAndPassReceiver(),
std::move(receiver));
mojo::Remote<network::mojom::P2PTrustedSocketManager> trusted_socket_manager(
std::move(pending_trusted_socket_manager));
if (dump_incoming_rtp_packet_ || dump_outgoing_rtp_packet_) {
trusted_socket_manager->StartRtpDump(dump_incoming_rtp_packet_,
dump_outgoing_rtp_packet_);
}
mojo::RemoteSetElementId manager_id =
trusted_socket_managers_.Add(std::move(trusted_socket_manager));
frame_host_to_socket_manager_id_.emplace(render_frame_host_id, manager_id);
}
void P2PSocketDispatcherHost::PauseSocketManagerForRenderFrameHost(
const GlobalRenderFrameHostId& frame_id) {
if (frame_host_to_socket_manager_id_.contains(frame_id)) {
mojo::RemoteSetElementId manager_id =
frame_host_to_socket_manager_id_[frame_id];
if (trusted_socket_managers_.Contains(manager_id)) {
trusted_socket_managers_.Get(manager_id)
->PauseNetworkChangeNotifications();
}
}
}
void P2PSocketDispatcherHost::ResumeSocketManagerForRenderFrameHost(
const GlobalRenderFrameHostId& frame_id) {
if (frame_host_to_socket_manager_id_.contains(frame_id)) {
mojo::RemoteSetElementId manager_id =
frame_host_to_socket_manager_id_[frame_id];
if (trusted_socket_managers_.Contains(manager_id)) {
trusted_socket_managers_.Get(manager_id)
->ResumeNetworkChangeNotifications();
}
}
}
base::WeakPtr<P2PSocketDispatcherHost> P2PSocketDispatcherHost::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
void P2PSocketDispatcherHost::InvalidSocketPortRangeRequested() {
bad_message::ReceivedBadMessage(render_process_id_,
bad_message::SDH_INVALID_PORT_RANGE);
}
void P2PSocketDispatcherHost::DumpPacket(
const std::vector<uint8_t>& packet_header,
uint64_t packet_length,
bool incoming) {
if (!packet_callback_) {
return;
}
auto header_buffer = base::HeapArray<uint8_t>::Uninit(packet_header.size());
header_buffer.copy_from(packet_header);
packet_callback_.Run(std::move(header_buffer),
static_cast<size_t>(packet_length), incoming);
}
} // namespace content
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