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chromium / chromium / src.git / 40adcdf3f8f7dc8609f3455dd720dc961f9cd0e5 / . / content / browser / bluetooth / web_bluetooth_service_impl.cc
blob: be704d850725f2c0ae99d916f56a1e7bf84c51e2 [file] [log] [blame]
// Copyright 2016 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.
// ID Not In Map Note: A service, characteristic, or descriptor ID not in the
// corresponding WebBluetoothServiceImpl map [service_id_to_device_address_,
// characteristic_id_to_service_id_, descriptor_id_to_characteristic_id_]
// implies a hostile renderer because a renderer obtains the corresponding ID
// from this class and it will be added to the map at that time.
#include "content/browser/bluetooth/web_bluetooth_service_impl.h"
#include <algorithm>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "content/browser/bluetooth/bluetooth_blocklist.h"
#include "content/browser/bluetooth/bluetooth_device_chooser_controller.h"
#include "content/browser/bluetooth/bluetooth_device_scanning_prompt_controller.h"
#include "content/browser/bluetooth/bluetooth_metrics.h"
#include "content/browser/bluetooth/bluetooth_util.h"
#include "content/browser/bluetooth/frame_connected_bluetooth_devices.h"
#include "content/browser/permissions/permission_controller_impl.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/storage_partition_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "device/bluetooth/bluetooth_adapter_factory_wrapper.h"
#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
#include "device/bluetooth/bluetooth_remote_gatt_descriptor.h"
#include "third_party/blink/public/common/bluetooth/web_bluetooth_device_id.h"
using device::BluetoothAdapterFactoryWrapper;
using device::BluetoothUUID;
namespace content {
namespace {
blink::mojom::WebBluetoothResult TranslateConnectErrorAndRecord(
device::BluetoothDevice::ConnectErrorCode error_code) {
switch (error_code) {
case device::BluetoothDevice::ERROR_UNKNOWN:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::UNKNOWN);
return blink::mojom::WebBluetoothResult::CONNECT_UNKNOWN_ERROR;
case device::BluetoothDevice::ERROR_INPROGRESS:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::IN_PROGRESS);
return blink::mojom::WebBluetoothResult::CONNECT_ALREADY_IN_PROGRESS;
case device::BluetoothDevice::ERROR_FAILED:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::FAILED);
return blink::mojom::WebBluetoothResult::CONNECT_UNKNOWN_FAILURE;
case device::BluetoothDevice::ERROR_AUTH_FAILED:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::AUTH_FAILED);
return blink::mojom::WebBluetoothResult::CONNECT_AUTH_FAILED;
case device::BluetoothDevice::ERROR_AUTH_CANCELED:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::AUTH_CANCELED);
return blink::mojom::WebBluetoothResult::CONNECT_AUTH_CANCELED;
case device::BluetoothDevice::ERROR_AUTH_REJECTED:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::AUTH_REJECTED);
return blink::mojom::WebBluetoothResult::CONNECT_AUTH_REJECTED;
case device::BluetoothDevice::ERROR_AUTH_TIMEOUT:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::AUTH_TIMEOUT);
return blink::mojom::WebBluetoothResult::CONNECT_AUTH_TIMEOUT;
case device::BluetoothDevice::ERROR_UNSUPPORTED_DEVICE:
RecordConnectGATTOutcome(UMAConnectGATTOutcome::UNSUPPORTED_DEVICE);
return blink::mojom::WebBluetoothResult::CONNECT_UNSUPPORTED_DEVICE;
case device::BluetoothDevice::NUM_CONNECT_ERROR_CODES:
NOTREACHED();
return blink::mojom::WebBluetoothResult::CONNECT_UNKNOWN_FAILURE;
}
NOTREACHED();
return blink::mojom::WebBluetoothResult::CONNECT_UNKNOWN_FAILURE;
}
blink::mojom::WebBluetoothResult TranslateGATTErrorAndRecord(
device::BluetoothRemoteGattService::GattErrorCode error_code,
UMAGATTOperation operation) {
switch (error_code) {
case device::BluetoothRemoteGattService::GATT_ERROR_UNKNOWN:
RecordGATTOperationOutcome(operation, UMAGATTOperationOutcome::UNKNOWN);
return blink::mojom::WebBluetoothResult::GATT_UNKNOWN_ERROR;
case device::BluetoothRemoteGattService::GATT_ERROR_FAILED:
RecordGATTOperationOutcome(operation, UMAGATTOperationOutcome::FAILED);
return blink::mojom::WebBluetoothResult::GATT_UNKNOWN_FAILURE;
case device::BluetoothRemoteGattService::GATT_ERROR_IN_PROGRESS:
RecordGATTOperationOutcome(operation,
UMAGATTOperationOutcome::IN_PROGRESS);
return blink::mojom::WebBluetoothResult::GATT_OPERATION_IN_PROGRESS;
case device::BluetoothRemoteGattService::GATT_ERROR_INVALID_LENGTH:
RecordGATTOperationOutcome(operation,
UMAGATTOperationOutcome::INVALID_LENGTH);
return blink::mojom::WebBluetoothResult::GATT_INVALID_ATTRIBUTE_LENGTH;
case device::BluetoothRemoteGattService::GATT_ERROR_NOT_PERMITTED:
RecordGATTOperationOutcome(operation,
UMAGATTOperationOutcome::NOT_PERMITTED);
return blink::mojom::WebBluetoothResult::GATT_NOT_PERMITTED;
case device::BluetoothRemoteGattService::GATT_ERROR_NOT_AUTHORIZED:
RecordGATTOperationOutcome(operation,
UMAGATTOperationOutcome::NOT_AUTHORIZED);
return blink::mojom::WebBluetoothResult::GATT_NOT_AUTHORIZED;
case device::BluetoothRemoteGattService::GATT_ERROR_NOT_PAIRED:
RecordGATTOperationOutcome(operation,
UMAGATTOperationOutcome::NOT_PAIRED);
return blink::mojom::WebBluetoothResult::GATT_NOT_PAIRED;
case device::BluetoothRemoteGattService::GATT_ERROR_NOT_SUPPORTED:
RecordGATTOperationOutcome(operation,
UMAGATTOperationOutcome::NOT_SUPPORTED);
return blink::mojom::WebBluetoothResult::GATT_NOT_SUPPORTED;
}
NOTREACHED();
return blink::mojom::WebBluetoothResult::GATT_UNTRANSLATED_ERROR_CODE;
}
// Max length of device name in filter. Bluetooth 5.0 3.C.3.2.2.3 states that
// the maximum device name length is 248 bytes (UTF-8 encoded).
constexpr size_t kMaxLengthForDeviceName = 248;
bool IsEmptyOrInvalidFilter(
const blink::mojom::WebBluetoothLeScanFilterPtr& filter) {
// At least one member needs to be present.
if (!filter->name && !filter->name_prefix && !filter->services)
return true;
// The renderer will never send a |name| or a |name_prefix| longer than
// kMaxLengthForDeviceName.
if (filter->name && filter->name->size() > kMaxLengthForDeviceName)
return true;
if (filter->name_prefix &&
filter->name_prefix->size() > kMaxLengthForDeviceName)
return true;
// The |name_prefix| should not be empty
if (filter->name_prefix && filter->name_prefix->empty())
return true;
return false;
}
bool IsRequestDeviceOptionsInvalid(
const blink::mojom::WebBluetoothRequestDeviceOptionsPtr& options) {
if (options->accept_all_devices)
return options->filters.has_value();
return HasEmptyOrInvalidFilter(options->filters);
}
bool IsRequestScanOptionsInvalid(
const blink::mojom::WebBluetoothRequestLEScanOptionsPtr& options) {
if (options->accept_all_advertisements)
return options->filters.has_value();
return HasEmptyOrInvalidFilter(options->filters);
}
} // namespace
bool HasEmptyOrInvalidFilter(
const base::Optional<
std::vector<blink::mojom::WebBluetoothLeScanFilterPtr>>& filters) {
if (!filters) {
return true;
}
return filters->empty()
? true
: filters->end() != std::find_if(filters->begin(), filters->end(),
IsEmptyOrInvalidFilter);
}
// Struct that holds the result of a cache query.
struct CacheQueryResult {
CacheQueryResult() : outcome(CacheQueryOutcome::SUCCESS) {}
explicit CacheQueryResult(CacheQueryOutcome outcome) : outcome(outcome) {}
~CacheQueryResult() {}
blink::mojom::WebBluetoothResult GetWebResult() const {
switch (outcome) {
case CacheQueryOutcome::SUCCESS:
case CacheQueryOutcome::BAD_RENDERER:
NOTREACHED();
return blink::mojom::WebBluetoothResult::DEVICE_NO_LONGER_IN_RANGE;
case CacheQueryOutcome::NO_DEVICE:
return blink::mojom::WebBluetoothResult::DEVICE_NO_LONGER_IN_RANGE;
case CacheQueryOutcome::NO_SERVICE:
return blink::mojom::WebBluetoothResult::SERVICE_NO_LONGER_EXISTS;
case CacheQueryOutcome::NO_CHARACTERISTIC:
return blink::mojom::WebBluetoothResult::
CHARACTERISTIC_NO_LONGER_EXISTS;
case CacheQueryOutcome::NO_DESCRIPTOR:
return blink::mojom::WebBluetoothResult::DESCRIPTOR_NO_LONGER_EXISTS;
}
NOTREACHED();
return blink::mojom::WebBluetoothResult::DEVICE_NO_LONGER_IN_RANGE;
}
device::BluetoothDevice* device = nullptr;
device::BluetoothRemoteGattService* service = nullptr;
device::BluetoothRemoteGattCharacteristic* characteristic = nullptr;
device::BluetoothRemoteGattDescriptor* descriptor = nullptr;
CacheQueryOutcome outcome;
};
struct GATTNotifySessionAndCharacteristicClient {
GATTNotifySessionAndCharacteristicClient(
std::unique_ptr<device::BluetoothGattNotifySession> session,
blink::mojom::WebBluetoothCharacteristicClientAssociatedPtr client)
: gatt_notify_session(std::move(session)),
characteristic_client(std::move(client)) {}
std::unique_ptr<device::BluetoothGattNotifySession> gatt_notify_session;
blink::mojom::WebBluetoothCharacteristicClientAssociatedPtr
characteristic_client;
};
WebBluetoothServiceImpl::WebBluetoothServiceImpl(
RenderFrameHost* render_frame_host,
blink::mojom::WebBluetoothServiceRequest request)
: WebContentsObserver(WebContents::FromRenderFrameHost(render_frame_host)),
connected_devices_(new FrameConnectedBluetoothDevices(render_frame_host)),
render_frame_host_(render_frame_host),
binding_(this, std::move(request)),
weak_ptr_factory_(this) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
CHECK(web_contents());
}
WebBluetoothServiceImpl::~WebBluetoothServiceImpl() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
ClearState();
}
void WebBluetoothServiceImpl::SetClientConnectionErrorHandler(
base::OnceClosure closure) {
binding_.set_connection_error_handler(std::move(closure));
}
bool WebBluetoothServiceImpl::IsDevicePaired(
const std::string& device_address) {
return allowed_devices().GetDeviceId(device_address) != nullptr;
}
void WebBluetoothServiceImpl::OnBluetoothScanningPromptEvent(
BluetoothScanningPrompt::Event event,
BluetoothDeviceScanningPromptController* prompt_controller) {
DCHECK(!scanning_clients_.empty());
auto client = scanning_clients_.end() - 1;
DCHECK((*client)->prompt_controller() == prompt_controller);
auto result = blink::mojom::WebBluetoothResult::SUCCESS;
if (event == BluetoothScanningPrompt::Event::kAllow) {
result = blink::mojom::WebBluetoothResult::SUCCESS;
StoreAllowedScanOptions((*client)->scan_options());
} else if (event == BluetoothScanningPrompt::Event::kBlock) {
result = blink::mojom::WebBluetoothResult::SCANNING_BLOCKED;
const url::Origin requesting_origin =
render_frame_host_->GetLastCommittedOrigin();
const url::Origin embedding_origin =
web_contents()->GetMainFrame()->GetLastCommittedOrigin();
GetContentClient()->browser()->BlockBluetoothScanning(
web_contents()->GetBrowserContext(), requesting_origin,
embedding_origin);
} else if (event == BluetoothScanningPrompt::Event::kCanceled) {
result = blink::mojom::WebBluetoothResult::PROMPT_CANCELED;
} else {
NOTREACHED();
}
(*client)->RunRequestScanningStartCallback(std::move(result));
(*client)->set_prompt_controller(nullptr);
if (event == BluetoothScanningPrompt::Event::kAllow) {
(*client)->set_allow_send_event(true);
} else if (event == BluetoothScanningPrompt::Event::kBlock) {
// Here because user explicitly blocks the permission to do Bluetooth
// scanning in one request, it can be interpreted as user wants the current
// and all previous scanning to be blocked, so remove all existing scanning
// clients.
scanning_clients_.clear();
allowed_scan_filters_.clear();
accept_all_advertisements_ = false;
} else if (event == BluetoothScanningPrompt::Event::kCanceled) {
scanning_clients_.erase(client);
} else {
NOTREACHED();
}
}
WebBluetoothServiceImpl::ScanningClient::ScanningClient(
blink::mojom::WebBluetoothScanClientAssociatedPtr client,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
RequestScanningStartCallback callback,
BluetoothDeviceScanningPromptController* prompt_controller)
: client_(std::move(client)),
options_(std::move(options)),
callback_(std::move(callback)),
prompt_controller_(prompt_controller) {
DCHECK(options_->filters.has_value() || options_->accept_all_advertisements);
client_.set_connection_error_handler(base::BindRepeating(
&ScanningClient::DisconnectionHandler, base::Unretained(this)));
}
WebBluetoothServiceImpl::ScanningClient::~ScanningClient() {}
bool WebBluetoothServiceImpl::ScanningClient::SendEvent(
blink::mojom::WebBluetoothScanResultPtr result) {
if (disconnected_)
return false;
if (options_->accept_all_advertisements) {
if (prompt_controller_)
AddFilteredDeviceToPrompt(result->device->id.str(), result->name);
if (allow_send_event_)
client_->ScanEvent(std::move(result));
return true;
}
DCHECK(options_->filters.has_value());
// For every filter, we're going to check to see if a |name|, |name_prefix|,
// or |services| have been set. If one of these is set, we will check the
// scan result to see if it matches the filter's value. If it doesn't, we'll
// just continue with the next filter. If all of the properties in a filter
// have a match, we can post the ScanEvent. Otherwise, we are going to drop
// it. This logic can be reduced a bit, but I think clarity will decrease.
for (auto& filter : options_->filters.value()) {
// Check to see if there is a direct match against the advertisement name
if (filter->name.has_value()) {
if (!result->name.has_value())
continue;
if (filter->name.value() != result->name.value())
continue;
}
// Check if there is a name prefix match
if (filter->name_prefix.has_value()) {
if (!result->name.has_value())
continue;
if (!base::StartsWith(result->name.value(), filter->name_prefix.value(),
base::CompareCase::SENSITIVE)) {
continue;
}
}
// Check to see if there is a service uuid match
if (filter->services.has_value()) {
bool found_uuid_match = false;
for (auto& filter_uuid : filter->services.value()) {
found_uuid_match = base::Contains(result->uuids, filter_uuid);
if (found_uuid_match)
break;
}
if (!found_uuid_match)
continue;
}
// TODO(crbug.com/707635): Support manufacturerData and serviceData filters.
if (prompt_controller_)
AddFilteredDeviceToPrompt(result->device->id.str(), result->name);
if (allow_send_event_)
client_->ScanEvent(std::move(result));
return true;
}
// Event was filtered out.
return true;
}
void WebBluetoothServiceImpl::ScanningClient::RunRequestScanningStartCallback(
blink::mojom::WebBluetoothResult result) {
if (result == blink::mojom::WebBluetoothResult::SUCCESS) {
auto scanning_result =
blink::mojom::RequestScanningStartResult::NewOptions(options_.Clone());
std::move(callback_).Run(std::move(scanning_result));
} else if (result == blink::mojom::WebBluetoothResult::SCANNING_BLOCKED ||
result == blink::mojom::WebBluetoothResult::PROMPT_CANCELED) {
auto scanning_result =
blink::mojom::RequestScanningStartResult::NewErrorResult(result);
std::move(callback_).Run(std::move(scanning_result));
} else {
NOTREACHED();
}
}
void WebBluetoothServiceImpl::ScanningClient::DisconnectionHandler() {
disconnected_ = true;
}
void WebBluetoothServiceImpl::ScanningClient::AddFilteredDeviceToPrompt(
const std::string& device_id,
const base::Optional<std::string>& device_name) {
bool should_update_name = device_name.has_value();
base::string16 device_name_for_display =
base::UTF8ToUTF16(device_name.value_or(""));
prompt_controller_->AddFilteredDevice(device_id, should_update_name,
device_name_for_display);
}
void WebBluetoothServiceImpl::DidFinishNavigation(
NavigationHandle* navigation_handle) {
if (navigation_handle->HasCommitted() &&
navigation_handle->GetRenderFrameHost() == render_frame_host_ &&
!navigation_handle->IsSameDocument()) {
ClearState();
}
}
void WebBluetoothServiceImpl::OnVisibilityChanged(Visibility visibility) {
if (visibility == content::Visibility::HIDDEN ||
visibility == content::Visibility::OCCLUDED) {
allowed_scan_filters_.clear();
accept_all_advertisements_ = false;
scanning_clients_.clear();
}
}
void WebBluetoothServiceImpl::AdapterPoweredChanged(
device::BluetoothAdapter* adapter,
bool powered) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (device_chooser_controller_.get()) {
device_chooser_controller_->AdapterPoweredChanged(powered);
}
}
void WebBluetoothServiceImpl::DeviceAdded(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (device_chooser_controller_.get()) {
device_chooser_controller_->AddFilteredDevice(*device);
}
}
void WebBluetoothServiceImpl::DeviceChanged(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (device_chooser_controller_.get()) {
device_chooser_controller_->AddFilteredDevice(*device);
}
if (!device->IsGattConnected()) {
base::Optional<blink::WebBluetoothDeviceId> device_id =
connected_devices_->CloseConnectionToDeviceWithAddress(
device->GetAddress());
// Since the device disconnected we need to send an error for pending
// primary services requests.
RunPendingPrimaryServicesRequests(device);
}
}
void WebBluetoothServiceImpl::DeviceAdvertisementReceived(
const std::string& device_address,
const base::Optional<std::string>& device_name,
const base::Optional<std::string>& advertisement_name,
base::Optional<int8_t> rssi,
base::Optional<int8_t> tx_power,
base::Optional<uint16_t> appearance,
const device::BluetoothDevice::UUIDList& advertised_uuids,
const device::BluetoothDevice::ServiceDataMap& service_data_map,
const device::BluetoothDevice::ManufacturerDataMap& manufacturer_data_map) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!discovery_session_ || !discovery_session_->IsActive())
return;
auto client = scanning_clients_.begin();
while (client != scanning_clients_.end()) {
auto device = blink::mojom::WebBluetoothDevice::New();
device->id = allowed_devices().AddDevice(device_address);
device->name = device_name;
auto result = blink::mojom::WebBluetoothScanResult::New();
result->device = std::move(device);
result->name = advertisement_name;
// Note about the default value for these optional types. On the other side
// of this IPC, the receiver will be checking to see if |*_is_set| is true
// before using the value. Here we chose reasonable defaults in case the
// other side does something incorrect. We have to do this manual
// serialization because mojo does not support optional primitive types.
result->appearance_is_set = appearance.has_value();
result->appearance = appearance.value_or(/*not present=*/0xffc0);
result->rssi_is_set = rssi.has_value();
result->rssi = rssi.value_or(/*invalid value=*/128);
result->tx_power_is_set = tx_power.has_value();
result->tx_power = tx_power.value_or(/*invalid value=*/128);
std::vector<device::BluetoothUUID> uuids;
for (auto& uuid : advertised_uuids)
uuids.push_back(device::BluetoothUUID(uuid.canonical_value()));
result->uuids = std::move(uuids);
auto& manufacturer_data = result->manufacturer_data;
for (auto& it : manufacturer_data_map)
manufacturer_data.emplace(it.first, it.second);
base::flat_map<std::string, std::vector<uint8_t>> services;
for (auto& it : service_data_map)
services[it.first.canonical_value()] = it.second;
result->service_data = std::move(services);
bool okay = (*client)->SendEvent(std::move(result));
if (!okay) {
client = scanning_clients_.erase(client);
continue;
}
++client;
}
// If we don't have any bound clients, clean things up.
if (scanning_clients_.empty()) {
discovery_session_->Stop(base::DoNothing(), base::DoNothing());
discovery_session_ = nullptr;
return;
}
}
void WebBluetoothServiceImpl::GattServicesDiscovered(
device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DVLOG(1) << "Services discovered for device: " << device->GetAddress();
if (device_chooser_controller_.get()) {
device_chooser_controller_->AddFilteredDevice(*device);
}
RunPendingPrimaryServicesRequests(device);
}
void WebBluetoothServiceImpl::GattCharacteristicValueChanged(
device::BluetoothAdapter* adapter,
device::BluetoothRemoteGattCharacteristic* characteristic,
const std::vector<uint8_t>& value) {
// Don't notify of characteristics that we haven't returned.
if (!base::Contains(characteristic_id_to_service_id_,
characteristic->GetIdentifier())) {
return;
}
// On Chrome OS and Linux, GattCharacteristicValueChanged is called before the
// success callback for ReadRemoteCharacteristic is called, which could result
// in an event being fired before the readValue promise is resolved.
if (!base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(
&WebBluetoothServiceImpl::NotifyCharacteristicValueChanged,
weak_ptr_factory_.GetWeakPtr(), characteristic->GetIdentifier(),
value))) {
LOG(WARNING) << "No TaskRunner.";
}
}
void WebBluetoothServiceImpl::NotifyCharacteristicValueChanged(
const std::string& characteristic_instance_id,
const std::vector<uint8_t>& value) {
auto iter =
characteristic_id_to_notify_session_.find(characteristic_instance_id);
if (iter != characteristic_id_to_notify_session_.end()) {
iter->second->characteristic_client->RemoteCharacteristicValueChanged(
value);
}
}
void WebBluetoothServiceImpl::RequestDevice(
blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
RequestDeviceCallback callback) {
RecordRequestDeviceOptions(options);
if (!GetAdapter()) {
if (BluetoothAdapterFactoryWrapper::Get().IsLowEnergySupported()) {
BluetoothAdapterFactoryWrapper::Get().AcquireAdapter(
this, base::BindOnce(&WebBluetoothServiceImpl::RequestDeviceImpl,
weak_ptr_factory_.GetWeakPtr(),
std::move(options), std::move(callback)));
return;
}
RecordRequestDeviceOutcome(
UMARequestDeviceOutcome::BLUETOOTH_LOW_ENERGY_NOT_AVAILABLE);
std::move(callback).Run(
blink::mojom::WebBluetoothResult::BLUETOOTH_LOW_ENERGY_NOT_AVAILABLE,
nullptr /* device */);
return;
}
RequestDeviceImpl(std::move(options), std::move(callback), GetAdapter());
}
void WebBluetoothServiceImpl::RemoteServerConnect(
const blink::WebBluetoothDeviceId& device_id,
blink::mojom::WebBluetoothServerClientAssociatedPtrInfo client,
RemoteServerConnectCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!allowed_devices().IsAllowedToGATTConnect(device_id)) {
std::move(callback).Run(
blink::mojom::WebBluetoothResult::GATT_NOT_AUTHORIZED);
return;
}
const CacheQueryResult query_result = QueryCacheForDevice(device_id);
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordConnectGATTOutcome(query_result.outcome);
std::move(callback).Run(query_result.GetWebResult());
return;
}
if (connected_devices_->IsConnectedToDeviceWithId(device_id)) {
DVLOG(1) << "Already connected.";
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
return;
}
// It's possible for WebBluetoothServiceImpl to issue two successive
// connection requests for which it would get two successive responses
// and consequently try to insert two BluetoothGattConnections for the
// same device. WebBluetoothServiceImpl should reject or queue connection
// requests if there is a pending connection already, but the platform
// abstraction doesn't currently support checking for pending connections.
// TODO(ortuno): CHECK that this never happens once the platform
// abstraction allows to check for pending connections.
// http://crbug.com/583544
const base::TimeTicks start_time = base::TimeTicks::Now();
blink::mojom::WebBluetoothServerClientAssociatedPtr
web_bluetooth_server_client;
web_bluetooth_server_client.Bind(std::move(client));
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = base::AdaptCallbackForRepeating(std::move(callback));
query_result.device->CreateGattConnection(
base::Bind(&WebBluetoothServiceImpl::OnCreateGATTConnectionSuccess,
weak_ptr_factory_.GetWeakPtr(), device_id, start_time,
base::Passed(&web_bluetooth_server_client), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnCreateGATTConnectionFailed,
weak_ptr_factory_.GetWeakPtr(), start_time,
copyable_callback));
}
void WebBluetoothServiceImpl::RemoteServerDisconnect(
const blink::WebBluetoothDeviceId& device_id) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (connected_devices_->IsConnectedToDeviceWithId(device_id)) {
DVLOG(1) << "Disconnecting device: " << device_id.str();
connected_devices_->CloseConnectionToDeviceWithId(device_id);
}
}
void WebBluetoothServiceImpl::RemoteServerGetPrimaryServices(
const blink::WebBluetoothDeviceId& device_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const base::Optional<BluetoothUUID>& services_uuid,
RemoteServerGetPrimaryServicesCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordGetPrimaryServicesServices(quantity, services_uuid);
if (!allowed_devices().IsAllowedToAccessAtLeastOneService(device_id)) {
std::move(callback).Run(
blink::mojom::WebBluetoothResult::NOT_ALLOWED_TO_ACCESS_ANY_SERVICE,
base::nullopt /* service */);
return;
}
if (services_uuid && !allowed_devices().IsAllowedToAccessService(
device_id, services_uuid.value())) {
std::move(callback).Run(
blink::mojom::WebBluetoothResult::NOT_ALLOWED_TO_ACCESS_SERVICE,
base::nullopt /* service */);
return;
}
const CacheQueryResult query_result = QueryCacheForDevice(device_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordGetPrimaryServicesOutcome(quantity, query_result.outcome);
std::move(callback).Run(query_result.GetWebResult(),
base::nullopt /* service */);
return;
}
const std::string& device_address = query_result.device->GetAddress();
// We can't know if a service is present or not until GATT service discovery
// is complete for the device.
if (query_result.device->IsGattServicesDiscoveryComplete()) {
RemoteServerGetPrimaryServicesImpl(device_id, quantity, services_uuid,
std::move(callback),
query_result.device);
return;
}
DVLOG(1) << "Services not yet discovered.";
pending_primary_services_requests_[device_address].push_back(base::BindOnce(
&WebBluetoothServiceImpl::RemoteServerGetPrimaryServicesImpl,
base::Unretained(this), device_id, quantity, services_uuid,
std::move(callback)));
}
void WebBluetoothServiceImpl::RemoteServiceGetCharacteristics(
const std::string& service_instance_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const base::Optional<BluetoothUUID>& characteristics_uuid,
RemoteServiceGetCharacteristicsCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordGetCharacteristicsCharacteristic(quantity, characteristics_uuid);
if (characteristics_uuid &&
BluetoothBlocklist::Get().IsExcluded(characteristics_uuid.value())) {
RecordGetCharacteristicsOutcome(quantity,
UMAGetCharacteristicOutcome::BLOCKLISTED);
std::move(callback).Run(
blink::mojom::WebBluetoothResult::BLOCKLISTED_CHARACTERISTIC_UUID,
base::nullopt /* characteristics */);
return;
}
const CacheQueryResult query_result =
QueryCacheForService(service_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordGetCharacteristicsOutcome(quantity, query_result.outcome);
std::move(callback).Run(query_result.GetWebResult(),
base::nullopt /* characteristics */);
return;
}
std::vector<device::BluetoothRemoteGattCharacteristic*> characteristics =
characteristics_uuid ? query_result.service->GetCharacteristicsByUUID(
characteristics_uuid.value())
: query_result.service->GetCharacteristics();
std::vector<blink::mojom::WebBluetoothRemoteGATTCharacteristicPtr>
response_characteristics;
for (device::BluetoothRemoteGattCharacteristic* characteristic :
characteristics) {
if (BluetoothBlocklist::Get().IsExcluded(characteristic->GetUUID())) {
continue;
}
std::string characteristic_instance_id = characteristic->GetIdentifier();
auto insert_result = characteristic_id_to_service_id_.insert(
std::make_pair(characteristic_instance_id, service_instance_id));
// If value is already in map, DCHECK it's valid.
if (!insert_result.second)
DCHECK(insert_result.first->second == service_instance_id);
blink::mojom::WebBluetoothRemoteGATTCharacteristicPtr characteristic_ptr =
blink::mojom::WebBluetoothRemoteGATTCharacteristic::New();
characteristic_ptr->instance_id = characteristic_instance_id;
characteristic_ptr->uuid = characteristic->GetUUID();
characteristic_ptr->properties =
static_cast<uint32_t>(characteristic->GetProperties());
response_characteristics.push_back(std::move(characteristic_ptr));
if (quantity == blink::mojom::WebBluetoothGATTQueryQuantity::SINGLE) {
break;
}
}
if (!response_characteristics.empty()) {
RecordGetCharacteristicsOutcome(quantity,
UMAGetCharacteristicOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS,
std::move(response_characteristics));
return;
}
RecordGetCharacteristicsOutcome(
quantity, characteristics_uuid
? UMAGetCharacteristicOutcome::NOT_FOUND
: UMAGetCharacteristicOutcome::NO_CHARACTERISTICS);
std::move(callback).Run(
characteristics_uuid
? blink::mojom::WebBluetoothResult::CHARACTERISTIC_NOT_FOUND
: blink::mojom::WebBluetoothResult::NO_CHARACTERISTICS_FOUND,
base::nullopt /* characteristics */);
}
void WebBluetoothServiceImpl::RemoteCharacteristicGetDescriptors(
const std::string& characteristic_instance_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const base::Optional<BluetoothUUID>& descriptors_uuid,
RemoteCharacteristicGetDescriptorsCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordGetDescriptorsDescriptor(quantity, descriptors_uuid);
if (descriptors_uuid &&
BluetoothBlocklist::Get().IsExcluded(descriptors_uuid.value())) {
RecordGetDescriptorsOutcome(quantity, UMAGetDescriptorOutcome::BLOCKLISTED);
std::move(callback).Run(
blink::mojom::WebBluetoothResult::BLOCKLISTED_DESCRIPTOR_UUID,
base::nullopt /* descriptor */);
return;
}
const CacheQueryResult query_result =
QueryCacheForCharacteristic(characteristic_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordGetDescriptorsOutcome(quantity, query_result.outcome);
std::move(callback).Run(query_result.GetWebResult(),
base::nullopt /* descriptor */);
return;
}
auto descriptors = descriptors_uuid
? query_result.characteristic->GetDescriptorsByUUID(
descriptors_uuid.value())
: query_result.characteristic->GetDescriptors();
std::vector<blink::mojom::WebBluetoothRemoteGATTDescriptorPtr>
response_descriptors;
for (device::BluetoothRemoteGattDescriptor* descriptor : descriptors) {
if (BluetoothBlocklist::Get().IsExcluded(descriptor->GetUUID())) {
continue;
}
std::string descriptor_instance_id = descriptor->GetIdentifier();
auto insert_result = descriptor_id_to_characteristic_id_.insert(
{descriptor_instance_id, characteristic_instance_id});
// If value is already in map, DCHECK it's valid.
if (!insert_result.second)
DCHECK(insert_result.first->second == characteristic_instance_id);
auto descriptor_ptr(blink::mojom::WebBluetoothRemoteGATTDescriptor::New());
descriptor_ptr->instance_id = descriptor_instance_id;
descriptor_ptr->uuid = descriptor->GetUUID();
response_descriptors.push_back(std::move(descriptor_ptr));
if (quantity == blink::mojom::WebBluetoothGATTQueryQuantity::SINGLE) {
break;
}
}
if (!response_descriptors.empty()) {
RecordGetDescriptorsOutcome(quantity, UMAGetDescriptorOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS,
std::move(response_descriptors));
return;
}
RecordGetDescriptorsOutcome(
quantity, descriptors_uuid ? UMAGetDescriptorOutcome::NOT_FOUND
: UMAGetDescriptorOutcome::NO_DESCRIPTORS);
std::move(callback).Run(
descriptors_uuid ? blink::mojom::WebBluetoothResult::DESCRIPTOR_NOT_FOUND
: blink::mojom::WebBluetoothResult::NO_DESCRIPTORS_FOUND,
base::nullopt /* descriptors */);
}
void WebBluetoothServiceImpl::RemoteCharacteristicReadValue(
const std::string& characteristic_instance_id,
RemoteCharacteristicReadValueCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
const CacheQueryResult query_result =
QueryCacheForCharacteristic(characteristic_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordCharacteristicReadValueOutcome(query_result.outcome);
std::move(callback).Run(query_result.GetWebResult(),
base::nullopt /* value */);
return;
}
if (BluetoothBlocklist::Get().IsExcludedFromReads(
query_result.characteristic->GetUUID())) {
RecordCharacteristicReadValueOutcome(UMAGATTOperationOutcome::BLOCKLISTED);
std::move(callback).Run(blink::mojom::WebBluetoothResult::BLOCKLISTED_READ,
base::nullopt /* value */);
return;
}
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = AdaptCallbackForRepeating(std::move(callback));
query_result.characteristic->ReadRemoteCharacteristic(
base::Bind(&WebBluetoothServiceImpl::OnCharacteristicReadValueSuccess,
weak_ptr_factory_.GetWeakPtr(), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnCharacteristicReadValueFailed,
weak_ptr_factory_.GetWeakPtr(), copyable_callback));
}
void WebBluetoothServiceImpl::RemoteCharacteristicWriteValue(
const std::string& characteristic_instance_id,
const std::vector<uint8_t>& value,
RemoteCharacteristicWriteValueCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// We perform the length check on the renderer side. So if we
// get a value with length > 512, we can assume it's a hostile
// renderer and kill it.
if (value.size() > 512) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_WRITE_VALUE_LENGTH);
return;
}
const CacheQueryResult query_result =
QueryCacheForCharacteristic(characteristic_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordCharacteristicWriteValueOutcome(query_result.outcome);
std::move(callback).Run(query_result.GetWebResult());
return;
}
if (BluetoothBlocklist::Get().IsExcludedFromWrites(
query_result.characteristic->GetUUID())) {
RecordCharacteristicWriteValueOutcome(UMAGATTOperationOutcome::BLOCKLISTED);
std::move(callback).Run(
blink::mojom::WebBluetoothResult::BLOCKLISTED_WRITE);
return;
}
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = base::AdaptCallbackForRepeating(std::move(callback));
query_result.characteristic->WriteRemoteCharacteristic(
value,
base::Bind(&WebBluetoothServiceImpl::OnCharacteristicWriteValueSuccess,
weak_ptr_factory_.GetWeakPtr(), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnCharacteristicWriteValueFailed,
weak_ptr_factory_.GetWeakPtr(), copyable_callback));
}
void WebBluetoothServiceImpl::RemoteCharacteristicStartNotifications(
const std::string& characteristic_instance_id,
blink::mojom::WebBluetoothCharacteristicClientAssociatedPtrInfo client,
RemoteCharacteristicStartNotificationsCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto iter =
characteristic_id_to_notify_session_.find(characteristic_instance_id);
if (iter != characteristic_id_to_notify_session_.end() &&
iter->second->gatt_notify_session->IsActive()) {
// If the frame has already started notifications and the notifications
// are active we return SUCCESS.
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
return;
}
const CacheQueryResult query_result =
QueryCacheForCharacteristic(characteristic_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordStartNotificationsOutcome(query_result.outcome);
std::move(callback).Run(query_result.GetWebResult());
return;
}
device::BluetoothRemoteGattCharacteristic::Properties notify_or_indicate =
query_result.characteristic->GetProperties() &
(device::BluetoothRemoteGattCharacteristic::PROPERTY_NOTIFY |
device::BluetoothRemoteGattCharacteristic::PROPERTY_INDICATE);
if (!notify_or_indicate) {
std::move(callback).Run(
blink::mojom::WebBluetoothResult::GATT_NOT_SUPPORTED);
return;
}
blink::mojom::WebBluetoothCharacteristicClientAssociatedPtr
characteristic_client;
characteristic_client.Bind(std::move(client));
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = base::AdaptCallbackForRepeating(std::move(callback));
query_result.characteristic->StartNotifySession(
base::Bind(&WebBluetoothServiceImpl::OnStartNotifySessionSuccess,
weak_ptr_factory_.GetWeakPtr(),
base::Passed(&characteristic_client), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnStartNotifySessionFailed,
weak_ptr_factory_.GetWeakPtr(), copyable_callback));
}
void WebBluetoothServiceImpl::RemoteCharacteristicStopNotifications(
const std::string& characteristic_instance_id,
RemoteCharacteristicStopNotificationsCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
const CacheQueryResult query_result =
QueryCacheForCharacteristic(characteristic_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
auto notify_session_iter =
characteristic_id_to_notify_session_.find(characteristic_instance_id);
if (notify_session_iter == characteristic_id_to_notify_session_.end()) {
// If the frame hasn't subscribed to notifications before we just
// run the callback.
std::move(callback).Run();
return;
}
notify_session_iter->second->gatt_notify_session->Stop(
base::Bind(&WebBluetoothServiceImpl::OnStopNotifySessionComplete,
weak_ptr_factory_.GetWeakPtr(), characteristic_instance_id,
base::Passed(&callback)));
}
void WebBluetoothServiceImpl::RemoteDescriptorReadValue(
const std::string& descriptor_instance_id,
RemoteDescriptorReadValueCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
const CacheQueryResult query_result =
QueryCacheForDescriptor(descriptor_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordDescriptorReadValueOutcome(query_result.outcome);
std::move(callback).Run(query_result.GetWebResult(),
base::nullopt /* value */);
return;
}
if (BluetoothBlocklist::Get().IsExcludedFromReads(
query_result.descriptor->GetUUID())) {
RecordDescriptorReadValueOutcome(UMAGATTOperationOutcome::BLOCKLISTED);
std::move(callback).Run(blink::mojom::WebBluetoothResult::BLOCKLISTED_READ,
base::nullopt /* value */);
return;
}
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = base::AdaptCallbackForRepeating(std::move(callback));
query_result.descriptor->ReadRemoteDescriptor(
base::Bind(&WebBluetoothServiceImpl::OnDescriptorReadValueSuccess,
weak_ptr_factory_.GetWeakPtr(), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnDescriptorReadValueFailed,
weak_ptr_factory_.GetWeakPtr(), copyable_callback));
}
void WebBluetoothServiceImpl::RemoteDescriptorWriteValue(
const std::string& descriptor_instance_id,
const std::vector<uint8_t>& value,
RemoteDescriptorWriteValueCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// We perform the length check on the renderer side. So if we
// get a value with length > 512, we can assume it's a hostile
// renderer and kill it.
if (value.size() > 512) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_WRITE_VALUE_LENGTH);
return;
}
const CacheQueryResult query_result =
QueryCacheForDescriptor(descriptor_instance_id);
if (query_result.outcome == CacheQueryOutcome::BAD_RENDERER) {
return;
}
if (query_result.outcome != CacheQueryOutcome::SUCCESS) {
RecordDescriptorWriteValueOutcome(query_result.outcome);
std::move(callback).Run(query_result.GetWebResult());
return;
}
if (BluetoothBlocklist::Get().IsExcludedFromWrites(
query_result.descriptor->GetUUID())) {
RecordDescriptorWriteValueOutcome(UMAGATTOperationOutcome::BLOCKLISTED);
std::move(callback).Run(
blink::mojom::WebBluetoothResult::BLOCKLISTED_WRITE);
return;
}
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = base::AdaptCallbackForRepeating(std::move(callback));
query_result.descriptor->WriteRemoteDescriptor(
value,
base::Bind(&WebBluetoothServiceImpl::OnDescriptorWriteValueSuccess,
weak_ptr_factory_.GetWeakPtr(), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnDescriptorWriteValueFailed,
weak_ptr_factory_.GetWeakPtr(), copyable_callback));
}
void WebBluetoothServiceImpl::RequestScanningStart(
blink::mojom::WebBluetoothScanClientAssociatedPtrInfo client_info,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
RequestScanningStartCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
blink::mojom::WebBluetoothScanClientAssociatedPtr client;
client.Bind(std::move(client_info));
if (!GetAdapter()) {
if (BluetoothAdapterFactoryWrapper::Get().IsLowEnergySupported()) {
BluetoothAdapterFactoryWrapper::Get().AcquireAdapter(
this,
base::BindOnce(&WebBluetoothServiceImpl::RequestScanningStartImpl,
weak_ptr_factory_.GetWeakPtr(), std::move(client),
std::move(options), std::move(callback)));
return;
}
auto result = blink::mojom::RequestScanningStartResult::NewErrorResult(
blink::mojom::WebBluetoothResult::BLUETOOTH_LOW_ENERGY_NOT_AVAILABLE);
std::move(callback).Run(std::move(result));
return;
}
RequestScanningStartImpl(std::move(client), std::move(options),
std::move(callback), GetAdapter());
}
void WebBluetoothServiceImpl::RequestScanningStartImpl(
blink::mojom::WebBluetoothScanClientAssociatedPtr client,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
RequestScanningStartCallback callback,
device::BluetoothAdapter* adapter) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// The renderer should never send invalid options.
if (IsRequestScanOptionsInvalid(options)) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_OPTIONS);
return;
}
if (!adapter) {
auto result = blink::mojom::RequestScanningStartResult::NewErrorResult(
blink::mojom::WebBluetoothResult::BLUETOOTH_LOW_ENERGY_NOT_AVAILABLE);
std::move(callback).Run(std::move(result));
return;
}
const url::Origin requesting_origin =
render_frame_host_->GetLastCommittedOrigin();
const url::Origin embedding_origin =
web_contents()->GetMainFrame()->GetLastCommittedOrigin();
bool blocked = GetContentClient()->browser()->IsBluetoothScanningBlocked(
web_contents()->GetBrowserContext(), requesting_origin, embedding_origin);
if (blocked) {
auto result = blink::mojom::RequestScanningStartResult::NewErrorResult(
blink::mojom::WebBluetoothResult::SCANNING_BLOCKED);
std::move(callback).Run(std::move(result));
return;
}
if (discovery_callback_) {
auto result = blink::mojom::RequestScanningStartResult::NewErrorResult(
blink::mojom::WebBluetoothResult::PROMPT_CANCELED);
std::move(callback).Run(std::move(result));
return;
}
if (discovery_session_) {
if (AreScanFiltersAllowed(options->filters)) {
auto scanning_client = std::make_unique<ScanningClient>(
std::move(client), std::move(options), std::move(callback), nullptr);
scanning_client->RunRequestScanningStartCallback(
blink::mojom::WebBluetoothResult::SUCCESS);
scanning_client->set_allow_send_event(true);
scanning_clients_.push_back(std::move(scanning_client));
return;
}
// By resetting |device_scanning_prompt_controller_|, it returns an error if
// there are duplicate calls to RequestScanningStart().
device_scanning_prompt_controller_ =
std::make_unique<BluetoothDeviceScanningPromptController>(
this, render_frame_host_);
scanning_clients_.push_back(std::make_unique<ScanningClient>(
std::move(client), std::move(options), std::move(callback),
device_scanning_prompt_controller_.get()));
device_scanning_prompt_controller_->ShowPermissionPrompt();
return;
}
discovery_callback_ = std::move(callback);
// TODO(https://crbug.com/969109): Since scanning without a filter wastes
// resources, we need use StartDiscoverySessionWithFilter() instead of
// StartDiscoverySession() here.
adapter->StartDiscoverySession(
base::Bind(&WebBluetoothServiceImpl::OnStartDiscoverySession,
weak_ptr_factory_.GetWeakPtr(), base::Passed(&client),
base::Passed(&options)),
base::Bind(&WebBluetoothServiceImpl::OnDiscoverySessionError,
weak_ptr_factory_.GetWeakPtr()));
}
void WebBluetoothServiceImpl::OnStartDiscoverySession(
blink::mojom::WebBluetoothScanClientAssociatedPtr client,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
std::unique_ptr<device::BluetoothDiscoverySession> session) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(!discovery_session_);
discovery_session_ = std::move(session);
if (AreScanFiltersAllowed(options->filters)) {
auto scanning_client = std::make_unique<ScanningClient>(
std::move(client), std::move(options), std::move(discovery_callback_),
nullptr);
scanning_client->RunRequestScanningStartCallback(
blink::mojom::WebBluetoothResult::SUCCESS);
scanning_client->set_allow_send_event(true);
scanning_clients_.push_back(std::move(scanning_client));
return;
}
device_scanning_prompt_controller_ =
std::make_unique<BluetoothDeviceScanningPromptController>(
this, render_frame_host_);
scanning_clients_.push_back(std::make_unique<ScanningClient>(
std::move(client), std::move(options), std::move(discovery_callback_),
device_scanning_prompt_controller_.get()));
device_scanning_prompt_controller_->ShowPermissionPrompt();
}
void WebBluetoothServiceImpl::OnDiscoverySessionError() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
device_scanning_prompt_controller_.reset();
auto result = blink::mojom::RequestScanningStartResult::NewErrorResult(
blink::mojom::WebBluetoothResult::NO_BLUETOOTH_ADAPTER);
std::move(discovery_callback_).Run(std::move(result));
}
void WebBluetoothServiceImpl::RequestDeviceImpl(
blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
RequestDeviceCallback callback,
device::BluetoothAdapter* adapter) {
// The renderer should never send invalid options.
if (IsRequestDeviceOptionsInvalid(options)) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_OPTIONS);
return;
}
// Calls to requestDevice() require user activation (user gestures). We
// should close any opened chooser when a duplicate requestDevice call is made
// with the same user activation or when any gesture occurs outside of the
// opened chooser. This does not happen on all platforms so we don't DCHECK
// that the old one is closed. We destroy the old chooser before constructing
// the new one to make sure they can't conflict.
device_chooser_controller_.reset();
device_chooser_controller_.reset(
new BluetoothDeviceChooserController(this, render_frame_host_, adapter));
// TODO(crbug.com/730593): Remove AdaptCallbackForRepeating() by updating
// the callee interface.
auto copyable_callback = base::AdaptCallbackForRepeating(std::move(callback));
device_chooser_controller_->GetDevice(
std::move(options),
base::Bind(&WebBluetoothServiceImpl::OnGetDeviceSuccess,
weak_ptr_factory_.GetWeakPtr(), copyable_callback),
base::Bind(&WebBluetoothServiceImpl::OnGetDeviceFailed,
weak_ptr_factory_.GetWeakPtr(), copyable_callback));
}
void WebBluetoothServiceImpl::RemoteServerGetPrimaryServicesImpl(
const blink::WebBluetoothDeviceId& device_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const base::Optional<BluetoothUUID>& services_uuid,
RemoteServerGetPrimaryServicesCallback callback,
device::BluetoothDevice* device) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!device->IsGattConnected()) {
// The device disconnected while discovery was pending. The returned error
// does not matter because the renderer ignores the error if the device
// disconnected.
RecordGetPrimaryServicesOutcome(
quantity, UMAGetPrimaryServiceOutcome::DEVICE_DISCONNECTED);
std::move(callback).Run(blink::mojom::WebBluetoothResult::NO_SERVICES_FOUND,
base::nullopt /* services */);
return;
}
DCHECK(device->IsGattServicesDiscoveryComplete());
std::vector<device::BluetoothRemoteGattService*> services =
services_uuid ? device->GetPrimaryServicesByUUID(services_uuid.value())
: device->GetPrimaryServices();
std::vector<blink::mojom::WebBluetoothRemoteGATTServicePtr> response_services;
for (device::BluetoothRemoteGattService* service : services) {
if (!allowed_devices().IsAllowedToAccessService(device_id,
service->GetUUID())) {
continue;
}
std::string service_instance_id = service->GetIdentifier();
const std::string& device_address = device->GetAddress();
auto insert_result = service_id_to_device_address_.insert(
make_pair(service_instance_id, device_address));
// If value is already in map, DCHECK it's valid.
if (!insert_result.second)
DCHECK_EQ(insert_result.first->second, device_address);
blink::mojom::WebBluetoothRemoteGATTServicePtr service_ptr =
blink::mojom::WebBluetoothRemoteGATTService::New();
service_ptr->instance_id = service_instance_id;
service_ptr->uuid = service->GetUUID();
response_services.push_back(std::move(service_ptr));
if (quantity == blink::mojom::WebBluetoothGATTQueryQuantity::SINGLE) {
break;
}
}
if (!response_services.empty()) {
DVLOG(1) << "Services found in device.";
RecordGetPrimaryServicesOutcome(quantity,
UMAGetPrimaryServiceOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS,
std::move(response_services));
return;
}
DVLOG(1) << "Services not found in device.";
RecordGetPrimaryServicesOutcome(
quantity, services_uuid ? UMAGetPrimaryServiceOutcome::NOT_FOUND
: UMAGetPrimaryServiceOutcome::NO_SERVICES);
std::move(callback).Run(
services_uuid ? blink::mojom::WebBluetoothResult::SERVICE_NOT_FOUND
: blink::mojom::WebBluetoothResult::NO_SERVICES_FOUND,
base::nullopt /* services */);
}
void WebBluetoothServiceImpl::OnGetDeviceSuccess(
RequestDeviceCallback callback,
blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
const std::string& device_address) {
device_chooser_controller_.reset();
const device::BluetoothDevice* const device =
GetAdapter()->GetDevice(device_address);
if (device == nullptr) {
DVLOG(1) << "Device " << device_address << " no longer in adapter";
RecordRequestDeviceOutcome(UMARequestDeviceOutcome::CHOSEN_DEVICE_VANISHED);
std::move(callback).Run(
blink::mojom::WebBluetoothResult::CHOSEN_DEVICE_VANISHED,
nullptr /* device */);
return;
}
const blink::WebBluetoothDeviceId device_id =
allowed_devices().AddDevice(device_address, options);
DVLOG(1) << "Device: " << device->GetNameForDisplay();
auto web_bluetooth_device = blink::mojom::WebBluetoothDevice::New();
web_bluetooth_device->id = device_id;
web_bluetooth_device->name = device->GetName();
RecordRequestDeviceOutcome(UMARequestDeviceOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS,
std::move(web_bluetooth_device));
}
void WebBluetoothServiceImpl::OnGetDeviceFailed(
RequestDeviceCallback callback,
blink::mojom::WebBluetoothResult result) {
// Errors are recorded by the *device_chooser_controller_.
std::move(callback).Run(result, nullptr /* device */);
device_chooser_controller_.reset();
}
void WebBluetoothServiceImpl::OnCreateGATTConnectionSuccess(
const blink::WebBluetoothDeviceId& device_id,
base::TimeTicks start_time,
blink::mojom::WebBluetoothServerClientAssociatedPtr client,
RemoteServerConnectCallback callback,
std::unique_ptr<device::BluetoothGattConnection> connection) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordConnectGATTTimeSuccess(base::TimeTicks::Now() - start_time);
RecordConnectGATTOutcome(UMAConnectGATTOutcome::SUCCESS);
if (connected_devices_->IsConnectedToDeviceWithId(device_id)) {
DVLOG(1) << "Already connected.";
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
return;
}
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
connected_devices_->Insert(device_id, std::move(connection),
std::move(client));
}
void WebBluetoothServiceImpl::OnCreateGATTConnectionFailed(
base::TimeTicks start_time,
RemoteServerConnectCallback callback,
device::BluetoothDevice::ConnectErrorCode error_code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordConnectGATTTimeFailed(base::TimeTicks::Now() - start_time);
std::move(callback).Run(TranslateConnectErrorAndRecord(error_code));
}
void WebBluetoothServiceImpl::OnCharacteristicReadValueSuccess(
RemoteCharacteristicReadValueCallback callback,
const std::vector<uint8_t>& value) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordCharacteristicReadValueOutcome(UMAGATTOperationOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS, value);
}
void WebBluetoothServiceImpl::OnCharacteristicReadValueFailed(
RemoteCharacteristicReadValueCallback callback,
device::BluetoothRemoteGattService::GattErrorCode error_code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::move(callback).Run(
TranslateGATTErrorAndRecord(error_code,
UMAGATTOperation::CHARACTERISTIC_READ),
base::nullopt /* value */);
}
void WebBluetoothServiceImpl::OnCharacteristicWriteValueSuccess(
RemoteCharacteristicWriteValueCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordCharacteristicWriteValueOutcome(UMAGATTOperationOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
}
void WebBluetoothServiceImpl::OnCharacteristicWriteValueFailed(
RemoteCharacteristicWriteValueCallback callback,
device::BluetoothRemoteGattService::GattErrorCode error_code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::move(callback).Run(TranslateGATTErrorAndRecord(
error_code, UMAGATTOperation::CHARACTERISTIC_WRITE));
}
void WebBluetoothServiceImpl::OnStartNotifySessionSuccess(
blink::mojom::WebBluetoothCharacteristicClientAssociatedPtr client,
RemoteCharacteristicStartNotificationsCallback callback,
std::unique_ptr<device::BluetoothGattNotifySession> notify_session) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// Copy Characteristic Instance ID before passing a unique pointer because
// compilers may evaluate arguments in any order.
std::string characteristic_instance_id =
notify_session->GetCharacteristicIdentifier();
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
// Saving the BluetoothGattNotifySession keeps notifications active.
auto gatt_notify_session_and_client =
std::make_unique<GATTNotifySessionAndCharacteristicClient>(
std::move(notify_session), std::move(client));
characteristic_id_to_notify_session_[characteristic_instance_id] =
std::move(gatt_notify_session_and_client);
}
void WebBluetoothServiceImpl::OnStartNotifySessionFailed(
RemoteCharacteristicStartNotificationsCallback callback,
device::BluetoothRemoteGattService::GattErrorCode error_code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::move(callback).Run(TranslateGATTErrorAndRecord(
error_code, UMAGATTOperation::START_NOTIFICATIONS));
}
void WebBluetoothServiceImpl::OnStopNotifySessionComplete(
const std::string& characteristic_instance_id,
RemoteCharacteristicStopNotificationsCallback callback) {
characteristic_id_to_notify_session_.erase(characteristic_instance_id);
std::move(callback).Run();
}
void WebBluetoothServiceImpl::OnDescriptorReadValueSuccess(
RemoteDescriptorReadValueCallback callback,
const std::vector<uint8_t>& value) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordDescriptorReadValueOutcome(UMAGATTOperationOutcome::SUCCESS);
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS, value);
}
void WebBluetoothServiceImpl::OnDescriptorReadValueFailed(
RemoteDescriptorReadValueCallback callback,
device::BluetoothRemoteGattService::GattErrorCode error_code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
std::move(callback).Run(TranslateGATTErrorAndRecord(
error_code, UMAGATTOperation::DESCRIPTOR_READ),
base::nullopt /* value */);
}
void WebBluetoothServiceImpl::OnDescriptorWriteValueSuccess(
RemoteDescriptorWriteValueCallback callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// TODO(667319): We are reporting failures to UMA but not reporting successes
std::move(callback).Run(blink::mojom::WebBluetoothResult::SUCCESS);
}
void WebBluetoothServiceImpl::OnDescriptorWriteValueFailed(
RemoteDescriptorWriteValueCallback callback,
device::BluetoothRemoteGattService::GattErrorCode error_code) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RecordDescriptorWriteValueOutcome(UMAGATTOperationOutcome::SUCCESS);
std::move(callback).Run(TranslateGATTErrorAndRecord(
error_code, UMAGATTOperation::DESCRIPTOR_WRITE));
}
CacheQueryResult WebBluetoothServiceImpl::QueryCacheForDevice(
const blink::WebBluetoothDeviceId& device_id) {
const std::string& device_address =
allowed_devices().GetDeviceAddress(device_id);
if (device_address.empty()) {
CrashRendererAndClosePipe(bad_message::BDH_DEVICE_NOT_ALLOWED_FOR_ORIGIN);
return CacheQueryResult(CacheQueryOutcome::BAD_RENDERER);
}
CacheQueryResult result;
result.device = GetAdapter()->GetDevice(device_address);
// When a device can't be found in the BluetoothAdapter, that generally
// indicates that it's gone out of range. We reject with a NetworkError in
// that case.
if (result.device == nullptr) {
result.outcome = CacheQueryOutcome::NO_DEVICE;
}
return result;
}
CacheQueryResult WebBluetoothServiceImpl::QueryCacheForService(
const std::string& service_instance_id) {
auto device_iter = service_id_to_device_address_.find(service_instance_id);
// Kill the render, see "ID Not in Map Note" above.
if (device_iter == service_id_to_device_address_.end()) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_SERVICE_ID);
return CacheQueryResult(CacheQueryOutcome::BAD_RENDERER);
}
const blink::WebBluetoothDeviceId* device_id =
allowed_devices().GetDeviceId(device_iter->second);
// Kill the renderer if origin is not allowed to access the device.
if (device_id == nullptr) {
CrashRendererAndClosePipe(bad_message::BDH_DEVICE_NOT_ALLOWED_FOR_ORIGIN);
return CacheQueryResult(CacheQueryOutcome::BAD_RENDERER);
}
CacheQueryResult result = QueryCacheForDevice(*device_id);
if (result.outcome != CacheQueryOutcome::SUCCESS) {
return result;
}
result.service = result.device->GetGattService(service_instance_id);
if (result.service == nullptr) {
result.outcome = CacheQueryOutcome::NO_SERVICE;
} else if (!allowed_devices().IsAllowedToAccessService(
*device_id, result.service->GetUUID())) {
CrashRendererAndClosePipe(bad_message::BDH_SERVICE_NOT_ALLOWED_FOR_ORIGIN);
return CacheQueryResult(CacheQueryOutcome::BAD_RENDERER);
}
return result;
}
CacheQueryResult WebBluetoothServiceImpl::QueryCacheForCharacteristic(
const std::string& characteristic_instance_id) {
auto characteristic_iter =
characteristic_id_to_service_id_.find(characteristic_instance_id);
// Kill the render, see "ID Not in Map Note" above.
if (characteristic_iter == characteristic_id_to_service_id_.end()) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_CHARACTERISTIC_ID);
return CacheQueryResult(CacheQueryOutcome::BAD_RENDERER);
}
CacheQueryResult result = QueryCacheForService(characteristic_iter->second);
if (result.outcome != CacheQueryOutcome::SUCCESS) {
return result;
}
result.characteristic =
result.service->GetCharacteristic(characteristic_instance_id);
if (result.characteristic == nullptr) {
result.outcome = CacheQueryOutcome::NO_CHARACTERISTIC;
}
return result;
}
CacheQueryResult WebBluetoothServiceImpl::QueryCacheForDescriptor(
const std::string& descriptor_instance_id) {
auto descriptor_iter =
descriptor_id_to_characteristic_id_.find(descriptor_instance_id);
// Kill the render, see "ID Not in Map Note" above.
if (descriptor_iter == descriptor_id_to_characteristic_id_.end()) {
CrashRendererAndClosePipe(bad_message::BDH_INVALID_DESCRIPTOR_ID);
return CacheQueryResult(CacheQueryOutcome::BAD_RENDERER);
}
CacheQueryResult result =
QueryCacheForCharacteristic(descriptor_iter->second);
if (result.outcome != CacheQueryOutcome::SUCCESS) {
return result;
}
result.descriptor =
result.characteristic->GetDescriptor(descriptor_instance_id);
if (result.descriptor == nullptr) {
result.outcome = CacheQueryOutcome::NO_DESCRIPTOR;
}
return result;
}
void WebBluetoothServiceImpl::RunPendingPrimaryServicesRequests(
device::BluetoothDevice* device) {
const std::string& device_address = device->GetAddress();
auto iter = pending_primary_services_requests_.find(device_address);
if (iter == pending_primary_services_requests_.end()) {
return;
}
std::vector<PrimaryServicesRequestCallback> requests =
std::move(iter->second);
pending_primary_services_requests_.erase(iter);
for (PrimaryServicesRequestCallback& request : requests) {
std::move(request).Run(device);
}
// Sending get-service responses unexpectedly queued another request.
DCHECK(!base::Contains(pending_primary_services_requests_, device_address));
}
RenderProcessHost* WebBluetoothServiceImpl::GetRenderProcessHost() {
return render_frame_host_->GetProcess();
}
device::BluetoothAdapter* WebBluetoothServiceImpl::GetAdapter() {
return BluetoothAdapterFactoryWrapper::Get().GetAdapter(this);
}
void WebBluetoothServiceImpl::CrashRendererAndClosePipe(
bad_message::BadMessageReason reason) {
bad_message::ReceivedBadMessage(GetRenderProcessHost(), reason);
binding_.Close();
}
url::Origin WebBluetoothServiceImpl::GetOrigin() {
return render_frame_host_->GetLastCommittedOrigin();
}
BluetoothAllowedDevices& WebBluetoothServiceImpl::allowed_devices() {
StoragePartitionImpl* partition = static_cast<StoragePartitionImpl*>(
BrowserContext::GetDefaultStoragePartition(
web_contents()->GetBrowserContext()));
scoped_refptr<BluetoothAllowedDevicesMap> allowed_devices_map =
partition->GetBluetoothAllowedDevicesMap();
return allowed_devices_map->GetOrCreateAllowedDevices(GetOrigin());
}
void WebBluetoothServiceImpl::StoreAllowedScanOptions(
const blink::mojom::WebBluetoothRequestLEScanOptions& options) {
if (options.filters.has_value()) {
for (const auto& filter : options.filters.value())
allowed_scan_filters_.push_back(filter.Clone());
} else {
accept_all_advertisements_ = true;
}
}
bool WebBluetoothServiceImpl::AreScanFiltersAllowed(
const base::Optional<ScanFilters>& filters) const {
if (accept_all_advertisements_) {
// Previously allowed accepting all advertisements and no filters. In this
// case since filtered advertisements are a subset of all advertisements,
// any filters should be allowed.
return true;
}
if (!filters.has_value()) {
// |acceptAllAdvertisements| is set in the Bluetooth scanning options, but
// accepting all advertisements has not been allowed yet, in this case the
// permission prompt needs to be shown to the user.
return false;
}
// If each |filter| in |filters| can be found in |allowed_scan_filters_|,
// then |filters| are allowed, otherwise |filters| are not allowed.
for (const auto& filter : filters.value()) {
bool allowed = false;
for (const auto& allowed_filter : allowed_scan_filters_) {
if (AreScanFiltersSame(*filter, *allowed_filter)) {
allowed = true;
break;
}
}
if (!allowed)
return false;
}
return true;
}
void WebBluetoothServiceImpl::ClearState() {
// Releasing the adapter will drop references to callbacks that have not yet
// been executed. The binding must be closed first so that this is allowed.
binding_.Close();
characteristic_id_to_notify_session_.clear();
scanning_clients_.clear();
pending_primary_services_requests_.clear();
descriptor_id_to_characteristic_id_.clear();
characteristic_id_to_service_id_.clear();
service_id_to_device_address_.clear();
connected_devices_.reset(
new FrameConnectedBluetoothDevices(render_frame_host_));
device_chooser_controller_.reset();
device_scanning_prompt_controller_.reset();
allowed_scan_filters_.clear();
accept_all_advertisements_ = false;
BluetoothAdapterFactoryWrapper::Get().ReleaseAdapter(this);
}
} // namespace content