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// Copyright 2018 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/ash/dbus/drive_file_stream_service_provider.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/logging.h"
#include "chromeos/components/mojo_bootstrap/pending_connection_manager.h"
#include "dbus/message.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
DriveFileStreamServiceProvider::DriveFileStreamServiceProvider() = default;
DriveFileStreamServiceProvider::~DriveFileStreamServiceProvider() = default;
void DriveFileStreamServiceProvider::Start(
scoped_refptr<dbus::ExportedObject> exported_object) {
exported_object->ExportMethod(
drivefs::kDriveFileStreamInterface,
drivefs::kDriveFileStreamOpenIpcChannelMethod,
base::BindRepeating(&DriveFileStreamServiceProvider::HandleOpenIpcChannel,
weak_ptr_factory_.GetWeakPtr()),
base::BindOnce([](const std::string& interface_name,
const std::string& method_name, bool success) {
LOG_IF(ERROR, !success)
<< "Failed to export " << interface_name << "." << method_name;
}));
}
void DriveFileStreamServiceProvider::HandleOpenIpcChannel(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender) {
std::string id;
base::ScopedFD fd;
dbus::MessageReader reader(method_call);
if (!reader.PopString(&id)) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(
method_call, DBUS_ERROR_INVALID_ARGS,
"First argument is not string."));
return;
}
if (!reader.PopFileDescriptor(&fd)) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(method_call,
DBUS_ERROR_INVALID_ARGS,
"Second argument is not FD."));
return;
}
if (!mojo_bootstrap::PendingConnectionManager::Get().OpenIpcChannel(
id, std::move(fd))) {
std::move(response_sender)
.Run(dbus::ErrorResponse::FromMethodCall(method_call, DBUS_ERROR_FAILED,
"Failed to open IPC"));
return;
}
std::move(response_sender).Run(dbus::Response::FromMethodCall(method_call));
}
} // namespace ash
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