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94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
# Copyright (c) 2018 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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"""
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Connects to each FIDO device found, and causes them all to blink until the user
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triggers one to select it. A new credential is created for that authenticator,
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and the operation is cancelled for the others.
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"""
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from __future__ import print_function, absolute_import, unicode_literals
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from fido2.hid import CtapHidDevice, STATUS
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from fido2.client import Fido2Client, ClientError
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from threading import Event, Thread
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import sys
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# Locate a device
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devs = list(CtapHidDevice.list_devices())
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if not devs:
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print('No FIDO device found')
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sys.exit(1)
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clients = [Fido2Client(d, 'https://example.com') for d in devs]
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# Prepare parameters for makeCredential
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rp = {'id': 'example.com', 'name': 'Example RP'}
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user = {'id': b'user_id', 'name': 'A. User'}
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challenge = 'Y2hhbGxlbmdl'
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cancel = Event()
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attestation, client_data = None, None
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has_prompted = False
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def on_keepalive(status):
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global has_prompted # Don't prompt for each device.
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if status == STATUS.UPNEEDED and not has_prompted:
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print('\nTouch your authenticator device now...\n')
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has_prompted = True
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def work(client):
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global attestation, client_data
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try:
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attestation, client_data = client.make_credential(
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rp, user, challenge, timeout=cancel, on_keepalive=on_keepalive
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)
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except ClientError as e:
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if e.code != ClientError.ERR.TIMEOUT:
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raise
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else:
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return
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cancel.set()
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print('New credential created!')
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print('ATTESTATION OBJECT:', attestation)
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print()
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print('CREDENTIAL DATA:', attestation.auth_data.credential_data)
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threads = []
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for client in clients:
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t = Thread(target=work, args=(client,))
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threads.append(t)
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t.start()
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for t in threads:
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t.join()
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if not cancel.is_set():
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print('Operation timed out!')
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