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- # This file is dual licensed under the terms of the Apache License, Version
- # 2.0, and the BSD License. See the LICENSE file in the root of this repository
- # for complete details.
- from __future__ import absolute_import, division, print_function
- import base64
- from six.moves.urllib.parse import quote, urlencode
- def _generate_uri(hotp, type_name, account_name, issuer, extra_parameters):
- parameters = [
- ("digits", hotp._length),
- ("secret", base64.b32encode(hotp._key)),
- ("algorithm", hotp._algorithm.name.upper()),
- ]
- if issuer is not None:
- parameters.append(("issuer", issuer))
- parameters.extend(extra_parameters)
- uriparts = {
- "type": type_name,
- "label": (
- "%s:%s" % (quote(issuer), quote(account_name))
- if issuer
- else quote(account_name)
- ),
- "parameters": urlencode(parameters),
- }
- return "otpauth://{type}/{label}?{parameters}".format(**uriparts)
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