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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PERMISSIONS_CONTEXTS_BLUETOOTH_CHOOSER_CONTEXT_H_
#define COMPONENTS_PERMISSIONS_CONTEXTS_BLUETOOTH_CHOOSER_CONTEXT_H_
#include <map>
#include <optional>
#include <string>
#include <utility>
#include "components/permissions/object_permission_context_base.h"
#include "third_party/blink/public/common/bluetooth/web_bluetooth_device_id.h"
#include "third_party/blink/public/mojom/bluetooth/web_bluetooth.mojom-forward.h"
namespace base {
class Value;
} // namespace base
namespace content {
class BrowserContext;
} // namespace content
namespace device {
class BluetoothDevice;
class BluetoothUUID;
} // namespace device
namespace url {
class Origin;
} // namespace url
namespace permissions {
// Manages the permissions for Web Bluetooth device objects. A Web Bluetooth
// permission object consists of its WebBluetoothDeviceId and set of Bluetooth
// service UUIDs. The WebBluetoothDeviceId is generated randomly by this class
// and is unique for a given Bluetooth device address and origin pair, so this
// class stores this mapping and provides utility methods to convert between
// the WebBluetoothDeviceId and Bluetooth device address.
class BluetoothChooserContext : public ObjectPermissionContextBase {
public:
explicit BluetoothChooserContext(content::BrowserContext* browser_context);
~BluetoothChooserContext() override;
// Set class as move-only.
BluetoothChooserContext(const BluetoothChooserContext&) = delete;
BluetoothChooserContext& operator=(const BluetoothChooserContext&) = delete;
static base::Value::Dict DeviceInfoToValue(
const device::BluetoothDevice* device,
const blink::mojom::WebBluetoothRequestDeviceOptions* options,
const blink::WebBluetoothDeviceId& device_id);
// Helper methods for converting between a WebBluetoothDeviceId and a
// Bluetooth device address string for a given origin pair.
blink::WebBluetoothDeviceId GetWebBluetoothDeviceId(
const url::Origin& origin,
const std::string& device_address);
std::string GetDeviceAddress(const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id);
// Bluetooth scanning specific interface for generating WebBluetoothDeviceIds
// for scanned devices.
blink::WebBluetoothDeviceId AddScannedDevice(
const url::Origin& origin,
const std::string& device_address);
// Bluetooth-specific interface for granting and checking permissions.
blink::WebBluetoothDeviceId GrantServiceAccessPermission(
const url::Origin& origin,
const device::BluetoothDevice* device,
const blink::mojom::WebBluetoothRequestDeviceOptions* options);
bool HasDevicePermission(const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id);
void RevokeDevicePermissionWebInitiated(
const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id);
bool IsAllowedToAccessAtLeastOneService(
const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id);
bool IsAllowedToAccessService(const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id,
const device::BluetoothUUID& service);
bool IsAllowedToAccessManufacturerData(
const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id,
uint16_t manufacturer_code);
static blink::WebBluetoothDeviceId GetObjectDeviceId(
const base::Value::Dict& object);
// ObjectPermissionContextBase;
std::string GetKeyForObject(const base::Value::Dict& object) override;
bool IsValidObject(const base::Value::Dict& object) override;
std::u16string GetObjectDisplayName(const base::Value::Dict& object) override;
// KeyedService:
void Shutdown() override;
private:
static bool IsValidDict(const base::Value::Dict& dict);
std::optional<base::Value::Dict> FindDeviceObject(
const url::Origin& origin,
const blink::WebBluetoothDeviceId& device_id);
// This map records the generated Web Bluetooth IDs for devices discovered via
// the Scanning API. Each requesting/embedding origin pair has its own version
// of this map so that IDs cannot be correlated between cross-origin sites.
using DeviceAddressToIdMap =
std::map<std::string, blink::WebBluetoothDeviceId>;
std::map<url::Origin, DeviceAddressToIdMap> scanned_devices_;
};
} // namespace permissions
#endif // COMPONENTS_PERMISSIONS_CONTEXTS_BLUETOOTH_CHOOSER_CONTEXT_H_
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