mirror of
https://github.com/Yubico/yubioath-flutter.git
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125 lines
4.9 KiB
Python
125 lines
4.9 KiB
Python
# Copyright (c) 2021 Yubico AB
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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from .base import RpcNode, action
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from yubikit.core import require_version, NotSupportedError, TRANSPORT
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from yubikit.core.smartcard import SmartCardConnection
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from yubikit.core.otp import OtpConnection
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from yubikit.core.fido import FidoConnection
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from yubikit.management import ManagementSession, DeviceConfig, Mode, USB_INTERFACE
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from ykman.device import connect_to_device
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from dataclasses import asdict
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from time import sleep
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import logging
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logger = logging.getLogger(__name__)
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class ManagementNode(RpcNode):
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def __init__(self, connection):
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super().__init__()
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self._connection_type = type(connection)
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self.session = ManagementSession(connection)
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def get_data(self):
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try:
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return asdict(self.session.read_device_info())
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except NotSupportedError:
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return {}
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def list_actions(self):
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actions = super().list_actions()
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try:
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require_version(self.session.version, (5, 0, 0))
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actions.remove("set_mode")
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except NotSupportedError:
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actions.remove("configure")
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return actions
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def _await_reboot(self, serial, usb_enabled):
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# TODO: Clean up once "support" is merged into ykman.
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iface = USB_INTERFACE.for_capabilities(usb_enabled)
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connection_types = []
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# Prefer to use the "same" connection type as before
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if iface.supports_connection(self._connection_type):
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if issubclass(self._connection_type, SmartCardConnection):
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connection_types = [SmartCardConnection]
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elif issubclass(self._connection_type, OtpConnection):
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connection_types = [OtpConnection]
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elif issubclass(self._connection_type, FidoConnection):
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connection_types = [FidoConnection]
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# Allow any expected connection type
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if not connection_types:
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connection_types = [
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t
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for t in [SmartCardConnection, OtpConnection, FidoConnection]
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if iface.supports_connection(t)
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]
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self.session.close()
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logger.debug("Waiting for device to re-appear...")
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for _ in range(10):
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sleep(0.2) # Always sleep initially
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try:
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conn = connect_to_device(serial, connection_types)[0]
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conn.close()
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break
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except ValueError:
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logger.debug("Not found, sleep...")
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else:
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logger.warning("Timed out waiting for device")
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@action
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def configure(self, params, event, signal):
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reboot = params.pop("reboot", False)
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cur_lock_code = bytes.fromhex(params.pop("cur_lock_code", "")) or None
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new_lock_code = bytes.fromhex(params.pop("new_lock_code", "")) or None
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config = DeviceConfig(
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params.pop("enabled_capabilities", {}),
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params.pop("auto_eject_timeout", None),
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params.pop("challenge_response_timeout", None),
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params.pop("device_flags", None),
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)
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serial = self.session.read_device_info().serial
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self.session.write_device_config(config, reboot, cur_lock_code, new_lock_code)
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if reboot:
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enabled = config.enabled_capabilities.get(TRANSPORT.USB)
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self._await_reboot(serial, enabled)
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return dict()
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@action
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def set_mode(self, params, event, signal):
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self.session.set_mode(
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Mode.from_code(params["mode"]),
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params.pop("challenge_response_timeout", 0),
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params.pop("auto_eject_timeout", 0),
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)
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return dict()
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