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578 lines
24 KiB
Python
578 lines
24 KiB
Python
# -*- coding: utf-8 -*-
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# (c) 2015, Toshio Kuratomi <tkuratomi@ansible.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import annotations
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try:
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import passlib
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from passlib.handlers import pbkdf2
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except ImportError: # pragma: nocover
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passlib = None
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pbkdf2 = None
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import pytest
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from units.mock.loader import DictDataLoader
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import unittest
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from unittest.mock import mock_open, patch
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from ansible.errors import AnsibleError
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import builtins
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from ansible.module_utils.common.text.converters import to_bytes
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from ansible.plugins.loader import PluginLoader, lookup_loader
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from ansible.plugins.lookup import password
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DEFAULT_LENGTH = 20
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DEFAULT_CHARS = sorted([u'ascii_letters', u'digits', u".,:-_"])
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DEFAULT_CANDIDATE_CHARS = u'.,:-_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
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# Currently there isn't a new-style
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old_style_params_data = (
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# Simple case
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dict(
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term=u'/path/to/file',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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# Special characters in path
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dict(
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term=u'/path/with/embedded spaces and/file',
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filename=u'/path/with/embedded spaces and/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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dict(
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term=u'/path/with/equals/cn=com.ansible',
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filename=u'/path/with/equals/cn=com.ansible',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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dict(
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term=u'/path/with/unicode/くらとみ/file',
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filename=u'/path/with/unicode/くらとみ/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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# Mix several special chars
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dict(
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term=u'/path/with/utf 8 and spaces/くらとみ/file',
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filename=u'/path/with/utf 8 and spaces/くらとみ/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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dict(
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term=u'/path/with/encoding=unicode/くらとみ/file',
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filename=u'/path/with/encoding=unicode/くらとみ/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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dict(
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term=u'/path/with/encoding=unicode/くらとみ/and spaces file',
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filename=u'/path/with/encoding=unicode/くらとみ/and spaces file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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# Simple parameters
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dict(
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term=u'/path/to/file length=42',
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filename=u'/path/to/file',
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params=dict(length=42, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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dict(
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term=u'/path/to/file encrypt=pbkdf2_sha256',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt='pbkdf2_sha256', ident=None, chars=DEFAULT_CHARS, seed=None),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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dict(
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term=u'/path/to/file chars=abcdefghijklmnop',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=[u'abcdefghijklmnop'], seed=None),
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candidate_chars=u'abcdefghijklmnop',
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),
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dict(
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term=u'/path/to/file chars=digits,abc,def',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'digits', u'abc', u'def']), seed=None),
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candidate_chars=u'abcdef0123456789',
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),
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dict(
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term=u'/path/to/file seed=1',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=DEFAULT_CHARS, seed='1'),
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candidate_chars=DEFAULT_CANDIDATE_CHARS,
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),
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# Including comma in chars
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dict(
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term=u'/path/to/file chars=abcdefghijklmnop,,digits',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'abcdefghijklmnop', u',', u'digits']), seed=None),
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candidate_chars=u',abcdefghijklmnop0123456789',
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),
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dict(
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term=u'/path/to/file chars=,,',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=[u','], seed=None),
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candidate_chars=u',',
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),
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# Including = in chars
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dict(
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term=u'/path/to/file chars=digits,=,,',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'digits', u'=', u',']), seed=None),
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candidate_chars=u',=0123456789',
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),
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dict(
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term=u'/path/to/file chars=digits,abc=def',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'digits', u'abc=def']), seed=None),
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candidate_chars=u'abc=def0123456789',
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),
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# Including unicode in chars
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dict(
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term=u'/path/to/file chars=digits,くらとみ,,',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'digits', u'くらとみ', u',']), seed=None),
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candidate_chars=u',0123456789くらとみ',
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),
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# Including only unicode in chars
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dict(
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term=u'/path/to/file chars=くらとみ',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'くらとみ']), seed=None),
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candidate_chars=u'くらとみ',
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),
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# Include ':' in path
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dict(
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term=u'/path/to/file_with:colon chars=ascii_letters,digits',
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filename=u'/path/to/file_with:colon',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None,
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chars=sorted([u'ascii_letters', u'digits']), seed=None),
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candidate_chars=u'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',
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),
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# Including special chars in both path and chars
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# Special characters in path
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dict(
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term=u'/path/with/embedded spaces and/file chars=abc=def',
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filename=u'/path/with/embedded spaces and/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=[u'abc=def'], seed=None),
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candidate_chars=u'abc=def',
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),
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dict(
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term=u'/path/with/equals/cn=com.ansible chars=abc=def',
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filename=u'/path/with/equals/cn=com.ansible',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=[u'abc=def'], seed=None),
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candidate_chars=u'abc=def',
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),
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dict(
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term=u'/path/with/unicode/くらとみ/file chars=くらとみ',
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filename=u'/path/with/unicode/くらとみ/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, ident=None, chars=[u'くらとみ'], seed=None),
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candidate_chars=u'くらとみ',
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),
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)
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class TestParseParameters(unittest.TestCase):
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def setUp(self):
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self.fake_loader = DictDataLoader({'/path/to/somewhere': 'sdfsdf'})
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self.password_lookup = lookup_loader.get('password')
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self.password_lookup._loader = self.fake_loader
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def test(self):
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for testcase in old_style_params_data:
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filename, params = self.password_lookup._parse_parameters(testcase['term'])
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params['chars'].sort()
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self.assertEqual(filename, testcase['filename'])
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self.assertEqual(params, testcase['params'])
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def test_unrecognized_value(self):
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testcase = dict(term=u'/path/to/file chars=くらとみi sdfsdf',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, chars=[u'くらとみ']),
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candidate_chars=u'くらとみ')
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self.assertRaises(AnsibleError, self.password_lookup._parse_parameters, testcase['term'])
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def test_invalid_params(self):
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testcase = dict(term=u'/path/to/file chars=くらとみi somethign_invalid=123',
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filename=u'/path/to/file',
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params=dict(length=DEFAULT_LENGTH, encrypt=None, chars=[u'くらとみ']),
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candidate_chars=u'くらとみ')
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self.assertRaises(AnsibleError, self.password_lookup._parse_parameters, testcase['term'])
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class TestReadPasswordFile(unittest.TestCase):
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def setUp(self):
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self.os_path_exists = password.os.path.exists
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def tearDown(self):
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password.os.path.exists = self.os_path_exists
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def test_no_password_file(self):
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password.os.path.exists = lambda x: False
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self.assertEqual(password._read_password_file(b'/nonexistent'), None)
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def test_with_password_file(self):
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password.os.path.exists = lambda x: True
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with patch.object(builtins, 'open', mock_open(read_data=b'Testing\n')) as m:
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self.assertEqual(password._read_password_file(b'/etc/motd'), u'Testing')
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class TestGenCandidateChars(unittest.TestCase):
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def _assert_gen_candidate_chars(self, testcase):
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expected_candidate_chars = testcase['candidate_chars']
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params = testcase['params']
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chars_spec = params['chars']
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res = password._gen_candidate_chars(chars_spec)
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self.assertEqual(res, expected_candidate_chars)
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def test_gen_candidate_chars(self):
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for testcase in old_style_params_data:
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self._assert_gen_candidate_chars(testcase)
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class TestRandomPassword(unittest.TestCase):
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def _assert_valid_chars(self, res, chars):
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for res_char in res:
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self.assertIn(res_char, chars)
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def test_default(self):
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res = password.random_password()
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self.assertEqual(len(res), DEFAULT_LENGTH)
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self.assertTrue(isinstance(res, str))
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self._assert_valid_chars(res, DEFAULT_CANDIDATE_CHARS)
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def test_zero_length(self):
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res = password.random_password(length=0)
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self.assertEqual(len(res), 0)
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self.assertTrue(isinstance(res, str))
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self._assert_valid_chars(res, u',')
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def test_just_a_common(self):
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res = password.random_password(length=1, chars=u',')
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self.assertEqual(len(res), 1)
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self.assertEqual(res, u',')
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def test_free_will(self):
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# A Rush and Spinal Tap reference twofer
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res = password.random_password(length=11, chars=u'a')
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self.assertEqual(len(res), 11)
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self.assertEqual(res, 'aaaaaaaaaaa')
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self._assert_valid_chars(res, u'a')
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def test_unicode(self):
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res = password.random_password(length=11, chars=u'くらとみ')
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self._assert_valid_chars(res, u'くらとみ')
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self.assertEqual(len(res), 11)
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def test_seed(self):
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pw1 = password.random_password(seed=1)
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pw2 = password.random_password(seed=1)
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pw3 = password.random_password(seed=2)
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self.assertEqual(pw1, pw2)
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self.assertNotEqual(pw1, pw3)
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def test_gen_password(self):
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for testcase in old_style_params_data:
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params = testcase['params']
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candidate_chars = testcase['candidate_chars']
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params_chars_spec = password._gen_candidate_chars(params['chars'])
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password_string = password.random_password(length=params['length'],
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chars=params_chars_spec)
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self.assertEqual(len(password_string),
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params['length'],
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msg='generated password=%s has length (%s) instead of expected length (%s)' %
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(password_string, len(password_string), params['length']))
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for char in password_string:
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self.assertIn(char, candidate_chars,
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msg='%s not found in %s from chars spect %s' %
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(char, candidate_chars, params['chars']))
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class TestParseContent(unittest.TestCase):
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def test_empty_password_file(self):
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plaintext_password, salt, ident = password._parse_content(u'')
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self.assertEqual(plaintext_password, u'')
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self.assertEqual(salt, None)
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self.assertEqual(ident, None)
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def test(self):
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expected_content = u'12345678'
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file_content = expected_content
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plaintext_password, salt, ident = password._parse_content(file_content)
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self.assertEqual(plaintext_password, expected_content)
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self.assertEqual(salt, None)
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self.assertEqual(ident, None)
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def test_with_salt(self):
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expected_content = u'12345678 salt=87654321'
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file_content = expected_content
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plaintext_password, salt, ident = password._parse_content(file_content)
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self.assertEqual(plaintext_password, u'12345678')
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self.assertEqual(salt, u'87654321')
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self.assertEqual(ident, None)
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def test_with_salt_and_ident(self):
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expected_content = u'12345678 salt=87654321 ident=2a'
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file_content = expected_content
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plaintext_password, salt, ident = password._parse_content(file_content)
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self.assertEqual(plaintext_password, u'12345678')
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self.assertEqual(salt, u'87654321')
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self.assertEqual(ident, u'2a')
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class TestFormatContent(unittest.TestCase):
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def test_no_encrypt(self):
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self.assertEqual(
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password._format_content(password=u'hunter42',
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salt=u'87654321',
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encrypt=False),
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u'hunter42 salt=87654321')
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def test_no_encrypt_no_salt(self):
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self.assertEqual(
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password._format_content(password=u'hunter42',
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salt=None,
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encrypt=None),
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u'hunter42')
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def test_encrypt(self):
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self.assertEqual(
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password._format_content(password=u'hunter42',
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salt=u'87654321',
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encrypt='pbkdf2_sha256'),
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u'hunter42 salt=87654321')
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def test_encrypt_no_salt(self):
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self.assertRaises(AssertionError, password._format_content, u'hunter42', None, 'pbkdf2_sha256')
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class TestWritePasswordFile(unittest.TestCase):
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def setUp(self):
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self.makedirs_safe = password.makedirs_safe
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self.os_chmod = password.os.chmod
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password.makedirs_safe = lambda path, mode: None
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password.os.chmod = lambda path, mode: None
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def tearDown(self):
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password.makedirs_safe = self.makedirs_safe
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password.os.chmod = self.os_chmod
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def test_content_written(self):
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with patch.object(builtins, 'open', mock_open()) as m:
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password._write_password_file(b'/this/is/a/test/caf\xc3\xa9', u'Testing Café')
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m.assert_called_once_with(b'/this/is/a/test/caf\xc3\xa9', 'wb')
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m().write.assert_called_once_with(u'Testing Café\n'.encode('utf-8'))
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class BaseTestLookupModule(unittest.TestCase):
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def setUp(self):
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self.fake_loader = DictDataLoader({'/path/to/somewhere': 'sdfsdf'})
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self.password_lookup = lookup_loader.get('password')
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self.password_lookup._loader = self.fake_loader
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self.os_path_exists = password.os.path.exists
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self.os_open = password.os.open
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password.os.open = lambda path, flag: None
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self.os_close = password.os.close
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password.os.close = lambda fd: None
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self.makedirs_safe = password.makedirs_safe
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password.makedirs_safe = lambda path, mode: None
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def tearDown(self):
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password.os.path.exists = self.os_path_exists
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password.os.open = self.os_open
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password.os.close = self.os_close
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password.makedirs_safe = self.makedirs_safe
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class TestLookupModuleWithoutPasslib(BaseTestLookupModule):
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@patch.object(PluginLoader, '_get_paths')
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@patch('ansible.plugins.lookup.password._write_password_file')
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def test_no_encrypt(self, mock_get_paths, mock_write_file):
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mock_get_paths.return_value = ['/path/one', '/path/two', '/path/three']
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results = self.password_lookup.run([u'/path/to/somewhere'], None)
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# FIXME: assert something useful
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for result in results:
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assert len(result) == DEFAULT_LENGTH
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assert isinstance(result, str)
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@patch.object(PluginLoader, '_get_paths')
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@patch('ansible.plugins.lookup.password._write_password_file')
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def test_password_already_created_no_encrypt(self, mock_get_paths, mock_write_file):
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mock_get_paths.return_value = ['/path/one', '/path/two', '/path/three']
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password.os.path.exists = lambda x: x == to_bytes('/path/to/somewhere')
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with patch.object(builtins, 'open', mock_open(read_data=b'hunter42 salt=87654321\n')) as m:
|
|
results = self.password_lookup.run([u'/path/to/somewhere chars=anything'], None)
|
|
|
|
for result in results:
|
|
self.assertEqual(result, u'hunter42')
|
|
|
|
@patch.object(PluginLoader, '_get_paths')
|
|
@patch('ansible.plugins.lookup.password._write_password_file')
|
|
def test_only_a(self, mock_get_paths, mock_write_file):
|
|
mock_get_paths.return_value = ['/path/one', '/path/two', '/path/three']
|
|
|
|
results = self.password_lookup.run([u'/path/to/somewhere chars=a'], None)
|
|
for result in results:
|
|
self.assertEqual(result, u'a' * DEFAULT_LENGTH)
|
|
|
|
@patch('time.sleep')
|
|
def test_lock_been_held(self, mock_sleep):
|
|
# pretend the lock file is here
|
|
password.os.path.exists = lambda x: True
|
|
with pytest.raises(AnsibleError):
|
|
with patch.object(builtins, 'open', mock_open(read_data=b'hunter42 salt=87654321\n')) as m:
|
|
# should timeout here
|
|
self.password_lookup.run([u'/path/to/somewhere chars=anything'], None)
|
|
|
|
def test_lock_not_been_held(self):
|
|
# pretend now there is password file but no lock
|
|
password.os.path.exists = lambda x: x == to_bytes('/path/to/somewhere')
|
|
with patch.object(builtins, 'open', mock_open(read_data=b'hunter42 salt=87654321\n')) as m:
|
|
# should not timeout here
|
|
results = self.password_lookup.run([u'/path/to/somewhere chars=anything'], None)
|
|
|
|
for result in results:
|
|
self.assertEqual(result, u'hunter42')
|
|
|
|
|
|
@pytest.mark.skipif(passlib is None, reason='passlib must be installed to run these tests')
|
|
class TestLookupModuleWithPasslib(BaseTestLookupModule):
|
|
def setUp(self):
|
|
super(TestLookupModuleWithPasslib, self).setUp()
|
|
|
|
# Different releases of passlib default to a different number of rounds
|
|
self.sha256 = passlib.registry.get_crypt_handler('pbkdf2_sha256')
|
|
sha256_for_tests = pbkdf2.create_pbkdf2_hash("sha256", 32, 20000)
|
|
passlib.registry.register_crypt_handler(sha256_for_tests, force=True)
|
|
|
|
def tearDown(self):
|
|
super(TestLookupModuleWithPasslib, self).tearDown()
|
|
|
|
passlib.registry.register_crypt_handler(self.sha256, force=True)
|
|
|
|
@patch.object(PluginLoader, '_get_paths')
|
|
@patch('ansible.plugins.lookup.password._write_password_file')
|
|
def test_encrypt(self, mock_get_paths, mock_write_file):
|
|
mock_get_paths.return_value = ['/path/one', '/path/two', '/path/three']
|
|
|
|
results = self.password_lookup.run([u'/path/to/somewhere encrypt=pbkdf2_sha256'], None)
|
|
|
|
# pbkdf2 format plus hash
|
|
expected_password_length = 76
|
|
|
|
for result in results:
|
|
self.assertEqual(len(result), expected_password_length)
|
|
# result should have 5 parts split by '$'
|
|
str_parts = result.split('$', 5)
|
|
|
|
# verify the result is parseable by the passlib
|
|
crypt_parts = passlib.hash.pbkdf2_sha256.parsehash(result)
|
|
|
|
# verify it used the right algo type
|
|
self.assertEqual(str_parts[1], 'pbkdf2-sha256')
|
|
|
|
self.assertEqual(len(str_parts), 5)
|
|
|
|
# verify the string and parsehash agree on the number of rounds
|
|
self.assertEqual(int(str_parts[2]), crypt_parts['rounds'])
|
|
self.assertIsInstance(result, str)
|
|
|
|
@patch('ansible.plugins.lookup.password._write_password_file')
|
|
def test_password_already_created_encrypt(self, mock_write_file):
|
|
password.os.path.exists = lambda x: x == to_bytes('/path/to/somewhere')
|
|
|
|
with patch.object(builtins, 'open', mock_open(read_data=b'hunter42 salt=87654321\n')) as m:
|
|
results = self.password_lookup.run([u'/path/to/somewhere chars=anything encrypt=pbkdf2_sha256'], None)
|
|
for result in results:
|
|
self.assertEqual(result, u'$pbkdf2-sha256$20000$ODc2NTQzMjE$Uikde0cv0BKaRaAXMrUQB.zvG4GmnjClwjghwIRf2gU')
|
|
|
|
# Assert the password file is not rewritten
|
|
mock_write_file.assert_not_called()
|
|
|
|
|
|
@pytest.mark.skipif(passlib is None, reason='passlib must be installed to run these tests')
|
|
class TestLookupModuleWithPasslibWrappedAlgo(BaseTestLookupModule):
|
|
def setUp(self):
|
|
super(TestLookupModuleWithPasslibWrappedAlgo, self).setUp()
|
|
self.os_path_exists = password.os.path.exists
|
|
|
|
def tearDown(self):
|
|
super(TestLookupModuleWithPasslibWrappedAlgo, self).tearDown()
|
|
password.os.path.exists = self.os_path_exists
|
|
|
|
@patch('ansible.plugins.lookup.password._write_password_file')
|
|
def test_encrypt_wrapped_crypt_algo(self, mock_write_file):
|
|
|
|
password.os.path.exists = self.password_lookup._loader.path_exists
|
|
with patch.object(builtins, 'open', mock_open(read_data=self.password_lookup._loader._get_file_contents('/path/to/somewhere')[0])) as m:
|
|
results = self.password_lookup.run([u'/path/to/somewhere encrypt=ldap_sha256_crypt'], None)
|
|
|
|
wrapper = getattr(passlib.hash, 'ldap_sha256_crypt')
|
|
|
|
self.assertEqual(len(results), 1)
|
|
result = results[0]
|
|
self.assertIsInstance(result, str)
|
|
|
|
expected_password_length = 76
|
|
self.assertEqual(len(result), expected_password_length)
|
|
|
|
# result should have 5 parts split by '$'
|
|
str_parts = result.split('$')
|
|
self.assertEqual(len(str_parts), 5)
|
|
|
|
# verify the string and passlib agree on the number of rounds
|
|
self.assertEqual(str_parts[2], "rounds=%s" % wrapper.default_rounds)
|
|
|
|
# verify it used the right algo type
|
|
self.assertEqual(str_parts[0], '{CRYPT}')
|
|
|
|
# verify it used the right algo type
|
|
self.assertTrue(wrapper.verify(self.password_lookup._loader._get_file_contents('/path/to/somewhere')[0], result))
|
|
|
|
# verify a password with a non default rounds value
|
|
# generated with: echo test | mkpasswd -s --rounds 660000 -m sha-256 --salt testansiblepass.
|
|
hashpw = '{CRYPT}$5$rounds=660000$testansiblepass.$KlRSdA3iFXoPI.dEwh7AixiXW3EtCkLrlQvlYA2sluD'
|
|
self.assertTrue(wrapper.verify('test', hashpw))
|