1# Copyright 2022 Google LLC
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15from __future__ import annotations
16from bumble.pairing import PairingConfig, PairingDelegate
17from dataclasses import dataclass
18from typing import Any, Dict
19
20
21@dataclass
22class Config:
23    io_capability: PairingDelegate.IoCapability = PairingDelegate.NO_OUTPUT_NO_INPUT
24    identity_address_type: PairingConfig.AddressType = PairingConfig.AddressType.RANDOM
25    pairing_sc_enable: bool = True
26    pairing_mitm_enable: bool = True
27    pairing_bonding_enable: bool = True
28    smp_local_initiator_key_distribution: PairingDelegate.KeyDistribution = (
29        PairingDelegate.DEFAULT_KEY_DISTRIBUTION
30    )
31    smp_local_responder_key_distribution: PairingDelegate.KeyDistribution = (
32        PairingDelegate.DEFAULT_KEY_DISTRIBUTION
33    )
34
35    def load_from_dict(self, config: Dict[str, Any]) -> None:
36        io_capability_name: str = config.get(
37            'io_capability', 'no_output_no_input'
38        ).upper()
39        self.io_capability = getattr(PairingDelegate, io_capability_name)
40        identity_address_type_name: str = config.get(
41            'identity_address_type', 'random'
42        ).upper()
43        self.identity_address_type = getattr(
44            PairingConfig.AddressType, identity_address_type_name
45        )
46        self.pairing_sc_enable = config.get('pairing_sc_enable', True)
47        self.pairing_mitm_enable = config.get('pairing_mitm_enable', True)
48        self.pairing_bonding_enable = config.get('pairing_bonding_enable', True)
49        self.smp_local_initiator_key_distribution = config.get(
50            'smp_local_initiator_key_distribution',
51            PairingDelegate.DEFAULT_KEY_DISTRIBUTION,
52        )
53        self.smp_local_responder_key_distribution = config.get(
54            'smp_local_responder_key_distribution',
55            PairingDelegate.DEFAULT_KEY_DISTRIBUTION,
56        )
57