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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_ALLOWED_DEVICES_MAP_H_ | |
| 6 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_ALLOWED_DEVICES_MAP_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 #include <string> | |
| 10 #include <unordered_map> | |
| 11 #include <unordered_set> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/optional.h" | |
| 15 #include "content/common/bluetooth/web_bluetooth_device_id.h" | |
| 16 #include "content/common/content_export.h" | |
| 17 #include "third_party/WebKit/public/platform/modules/bluetooth/web_bluetooth.moj
om.h" | |
| 18 #include "url/origin.h" | |
| 19 | |
| 20 namespace device { | |
| 21 class BluetoothUUID; | |
| 22 } | |
| 23 | |
| 24 namespace content { | |
| 25 | |
| 26 // Keeps track of which origins are allowed to access which devices and | |
| 27 // their services. | |
| 28 // | |
| 29 // |AddDevice| generates device ids, which are random strings that are unique | |
| 30 // in the map. | |
| 31 class CONTENT_EXPORT BluetoothAllowedDevicesMap final { | |
| 32 public: | |
| 33 BluetoothAllowedDevicesMap(); | |
| 34 ~BluetoothAllowedDevicesMap(); | |
| 35 | |
| 36 // Adds the Bluetooth Device with |device_address| to the map of allowed | |
| 37 // devices for that origin. Generates and returns a device id. Because | |
| 38 // unique origins generate the same hash, unique origins are not supported. | |
| 39 // Calling this function with a unique origin will CHECK-fail. | |
| 40 const WebBluetoothDeviceId& AddDevice( | |
| 41 const url::Origin& origin, | |
| 42 const std::string& device_address, | |
| 43 const blink::mojom::WebBluetoothRequestDeviceOptionsPtr& options); | |
| 44 | |
| 45 // Removes the Bluetooth Device with |device_address| from the map of allowed | |
| 46 // devices for |origin|. | |
| 47 void RemoveDevice(const url::Origin& origin, | |
| 48 const std::string& device_address); | |
| 49 | |
| 50 // Returns the Bluetooth Device's id for |origin| if |origin| is allowed to | |
| 51 // access the device. | |
| 52 const WebBluetoothDeviceId* GetDeviceId(const url::Origin& origin, | |
| 53 const std::string& device_address); | |
| 54 | |
| 55 // For |device_id| in |origin|, returns the Bluetooth device's address. If | |
| 56 // there is no such |device_id| in |origin|, returns an empty string. | |
| 57 const std::string& GetDeviceAddress(const url::Origin& origin, | |
| 58 const WebBluetoothDeviceId& device_id); | |
| 59 | |
| 60 // Returns true if the origin has previously been granted access to at least | |
| 61 // one service. | |
| 62 bool IsOriginAllowedToAccessAtLeastOneService( | |
| 63 const url::Origin& origin, | |
| 64 const WebBluetoothDeviceId& device_id) const; | |
| 65 | |
| 66 // Returns true if the origin has previously been granted access to | |
| 67 // the service. | |
| 68 bool IsOriginAllowedToAccessService( | |
| 69 const url::Origin& origin, | |
| 70 const WebBluetoothDeviceId& device_id, | |
| 71 const device::BluetoothUUID& service_uuid) const; | |
| 72 | |
| 73 private: | |
| 74 typedef std::unordered_map<std::string, WebBluetoothDeviceId> | |
| 75 DeviceAddressToIdMap; | |
| 76 typedef std::unordered_map<WebBluetoothDeviceId, | |
| 77 std::string, | |
| 78 WebBluetoothDeviceIdHash> | |
| 79 DeviceIdToAddressMap; | |
| 80 typedef std::unordered_map< | |
| 81 WebBluetoothDeviceId, | |
| 82 std::unordered_set<device::BluetoothUUID, device::BluetoothUUIDHash>, | |
| 83 WebBluetoothDeviceIdHash> | |
| 84 DeviceIdToServicesMap; | |
| 85 | |
| 86 // Returns an id guaranteed to be unique for the map. The id is randomly | |
| 87 // generated so that an origin can't guess the id used in another origin. | |
| 88 WebBluetoothDeviceId GenerateUniqueDeviceId(); | |
| 89 void AddUnionOfServicesTo( | |
| 90 const blink::mojom::WebBluetoothRequestDeviceOptionsPtr& options, | |
| 91 std::unordered_set<device::BluetoothUUID, device::BluetoothUUIDHash>* | |
| 92 unionOfServices); | |
| 93 | |
| 94 // TODO(ortuno): Now that there is only one instance of this class per frame | |
| 95 // and that this map gets destroyed when navigating consider removing the | |
| 96 // origin mapping. | |
| 97 // http://crbug.com/610343 | |
| 98 std::map<url::Origin, DeviceAddressToIdMap> | |
| 99 origin_to_device_address_to_id_map_; | |
| 100 std::map<url::Origin, DeviceIdToAddressMap> | |
| 101 origin_to_device_id_to_address_map_; | |
| 102 std::map<url::Origin, DeviceIdToServicesMap> | |
| 103 origin_to_device_id_to_services_map_; | |
| 104 | |
| 105 // Keep track of all device_ids in the map. | |
| 106 std::unordered_set<WebBluetoothDeviceId, WebBluetoothDeviceIdHash> | |
| 107 device_id_set_; | |
| 108 }; | |
| 109 | |
| 110 } // namespace content | |
| 111 | |
| 112 #endif // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_ALLOWED_DEVICES_MAP_H_ | |
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Chromium Code Reviews
Issue 2658473002:
Refactor BluetoothAllowedDevicesMap (Closed)
