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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/browser/devtools/device/tcp_device_provider.h"
#include <utility>
#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "net/base/completion_repeating_callback.h"
#include "net/base/net_errors.h"
#include "net/base/network_isolation_key.h"
#include "net/dns/public/host_resolver_results.h"
#include "net/dns/public/resolve_error_info.h"
#include "net/log/net_log_source.h"
#include "net/log/net_log_with_source.h"
#include "net/socket/tcp_client_socket.h"
#include "services/network/public/cpp/resolve_host_client_base.h"
#include "services/network/public/mojom/network_context.mojom.h"
namespace {
const char kDeviceModel[] = "Remote Target";
const char kBrowserName[] = "Target";
static void RunSocketCallback(AndroidDeviceManager::SocketCallback callback,
std::unique_ptr<net::StreamSocket> socket,
int result) {
std::move(callback).Run(result, std::move(socket));
}
class ResolveHostAndOpenSocket final : public network::ResolveHostClientBase {
public:
ResolveHostAndOpenSocket(const net::HostPortPair& address,
AndroidDeviceManager::SocketCallback callback)
: callback_(std::move(callback)) {
mojo::Remote<network::mojom::HostResolver> resolver;
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(
[](mojo::PendingReceiver<network::mojom::HostResolver>
pending_receiver) {
g_browser_process->system_network_context_manager()
->GetContext()
->CreateHostResolver(std::nullopt,
std::move(pending_receiver));
},
resolver.BindNewPipeAndPassReceiver()));
// Intentionally using a HostPortPair because scheme isn't specified.
// Fine to use a transient NetworkAnonymizationKey here - this is for
// debugging, so performance doesn't matter, and it doesn't need to share a
// DNS cache with anything else.
resolver->ResolveHost(
network::mojom::HostResolverHost::NewHostPortPair(address),
net::NetworkAnonymizationKey::CreateTransient(), nullptr,
receiver_.BindNewPipeAndPassRemote());
receiver_.set_disconnect_handler(base::BindOnce(
&ResolveHostAndOpenSocket::OnComplete, base::Unretained(this),
net::ERR_NAME_NOT_RESOLVED, net::ResolveErrorInfo(net::ERR_FAILED),
/*resolved_addresses=*/std::nullopt,
/*endpoint_results_with_metadata=*/std::nullopt));
}
private:
// network::mojom::ResolveHostClient implementation:
void OnComplete(int result,
const net::ResolveErrorInfo& resolve_error_info,
const std::optional<net::AddressList>& resolved_addresses,
const std::optional<net::HostResolverEndpointResults>&
endpoint_results_with_metadata) override {
if (result != net::OK) {
RunSocketCallback(std::move(callback_), nullptr,
resolve_error_info.error);
delete this;
return;
}
std::unique_ptr<net::StreamSocket> socket(
new net::TCPClientSocket(resolved_addresses.value(), nullptr, nullptr,
nullptr, net::NetLogSource()));
net::StreamSocket* socket_ptr = socket.get();
auto split_callback = base::SplitOnceCallback(base::BindOnce(
&RunSocketCallback, std::move(callback_), std::move(socket)));
result = socket_ptr->Connect(std::move(split_callback.first));
if (result != net::ERR_IO_PENDING) {
std::move(split_callback.second).Run(result);
}
delete this;
}
AndroidDeviceManager::SocketCallback callback_;
mojo::Receiver<network::mojom::ResolveHostClient> receiver_{this};
};
} // namespace
scoped_refptr<TCPDeviceProvider> TCPDeviceProvider::CreateForLocalhost(
uint16_t port) {
TCPDeviceProvider::HostPortSet targets;
targets.insert(net::HostPortPair("127.0.0.1", port));
return new TCPDeviceProvider(targets);
}
TCPDeviceProvider::TCPDeviceProvider(const HostPortSet& targets)
: targets_(targets) {
}
void TCPDeviceProvider::QueryDevices(SerialsCallback callback) {
std::vector<std::string> result;
for (const net::HostPortPair& target : targets_) {
const std::string& host = target.host();
if (base::Contains(result, host))
continue;
result.push_back(host);
}
std::move(callback).Run(std::move(result));
}
void TCPDeviceProvider::QueryDeviceInfo(const std::string& serial,
DeviceInfoCallback callback) {
AndroidDeviceManager::DeviceInfo device_info;
device_info.model = kDeviceModel;
device_info.connected = true;
for (const net::HostPortPair& target : targets_) {
if (serial != target.host())
continue;
AndroidDeviceManager::BrowserInfo browser_info;
browser_info.socket_name = base::NumberToString(target.port());
browser_info.display_name = kBrowserName;
browser_info.type = AndroidDeviceManager::BrowserInfo::kTypeChrome;
device_info.browser_info.push_back(browser_info);
}
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), device_info));
}
void TCPDeviceProvider::OpenSocket(const std::string& serial,
const std::string& socket_name,
SocketCallback callback) {
// Use plain socket for remote debugging and port forwarding on Desktop
// (debugging purposes).
int port;
base::StringToInt(socket_name, &port);
new ResolveHostAndOpenSocket(net::HostPortPair(serial, port),
std::move(callback));
}
void TCPDeviceProvider::ReleaseDevice(const std::string& serial) {
if (!release_callback_.is_null())
std::move(release_callback_).Run();
}
void TCPDeviceProvider::set_release_callback_for_test(
base::OnceClosure callback) {
release_callback_ = std::move(callback);
}
TCPDeviceProvider::~TCPDeviceProvider() = default;
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