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522 lines
19 KiB
Python
522 lines
19 KiB
Python
# (c) 2014, James Tanner <tanner.jc@gmail.com>
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# (c) 2014, James Cammarata, <jcammarata@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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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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import tempfile
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from io import BytesIO, StringIO
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import pytest
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from units.compat import unittest
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from units.compat.mock import patch
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from ansible import errors
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from ansible.parsing import vault
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from ansible.parsing.vault import VaultLib, VaultEditor, match_encrypt_secret
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from ansible.module_utils.six import PY3
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from ansible.module_utils._text import to_bytes, to_text
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from units.mock.vault_helper import TextVaultSecret
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v11_data = """$ANSIBLE_VAULT;1.1;AES256
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62303130653266653331306264616235333735323636616539316433666463323964623162386137
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3961616263373033353631316333623566303532663065310a393036623466376263393961326530
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64336561613965383835646464623865663966323464653236343638373165343863623638316664
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3631633031323837340a396530313963373030343933616133393566366137363761373930663833
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3739"""
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@pytest.mark.skipif(not vault.HAS_CRYPTOGRAPHY,
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reason="Skipping cryptography tests because cryptography is not installed")
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class TestVaultEditor(unittest.TestCase):
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def setUp(self):
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self._test_dir = None
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self.vault_password = "test-vault-password"
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vault_secret = TextVaultSecret(self.vault_password)
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self.vault_secrets = [('vault_secret', vault_secret),
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('default', vault_secret)]
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@property
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def vault_secret(self):
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return match_encrypt_secret(self.vault_secrets)[1]
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def tearDown(self):
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if self._test_dir:
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pass
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# shutil.rmtree(self._test_dir)
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self._test_dir = None
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def _secrets(self, password):
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vault_secret = TextVaultSecret(password)
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vault_secrets = [('default', vault_secret)]
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return vault_secrets
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def test_methods_exist(self):
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v = vault.VaultEditor(None)
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slots = ['create_file',
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'decrypt_file',
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'edit_file',
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'encrypt_file',
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'rekey_file',
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'read_data',
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'write_data']
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for slot in slots:
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assert hasattr(v, slot), "VaultLib is missing the %s method" % slot
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def _create_test_dir(self):
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suffix = '_ansible_unit_test_%s_' % (self.__class__.__name__)
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return tempfile.mkdtemp(suffix=suffix)
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def _create_file(self, test_dir, name, content=None, symlink=False):
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file_path = os.path.join(test_dir, name)
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opened_file = open(file_path, 'wb')
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if content:
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opened_file.write(content)
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opened_file.close()
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return file_path
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def _vault_editor(self, vault_secrets=None):
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if vault_secrets is None:
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vault_secrets = self._secrets(self.vault_password)
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return VaultEditor(VaultLib(vault_secrets))
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_helper_empty_target(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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mock_sp_call.side_effect = self._faux_command
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ve = self._vault_editor()
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b_ciphertext = ve._edit_file_helper(src_file_path, self.vault_secret)
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self.assertNotEqual(src_contents, b_ciphertext)
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def test_stdin_binary(self):
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stdin_data = '\0'
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if PY3:
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fake_stream = StringIO(stdin_data)
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fake_stream.buffer = BytesIO(to_bytes(stdin_data))
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else:
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fake_stream = BytesIO(to_bytes(stdin_data))
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with patch('sys.stdin', fake_stream):
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ve = self._vault_editor()
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data = ve.read_data('-')
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self.assertEqual(data, b'\0')
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_helper_call_exception(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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error_txt = 'calling editor raised an exception'
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mock_sp_call.side_effect = errors.AnsibleError(error_txt)
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ve = self._vault_editor()
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self.assertRaisesRegex(errors.AnsibleError,
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error_txt,
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ve._edit_file_helper,
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src_file_path,
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self.vault_secret)
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_helper_symlink_target(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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src_file_link_path = os.path.join(self._test_dir, 'a_link_to_dest_file')
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os.symlink(src_file_path, src_file_link_path)
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mock_sp_call.side_effect = self._faux_command
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ve = self._vault_editor()
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b_ciphertext = ve._edit_file_helper(src_file_link_path, self.vault_secret)
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self.assertNotEqual(src_file_contents, b_ciphertext,
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'b_ciphertext should be encrypted and not equal to src_contents')
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def _faux_editor(self, editor_args, new_src_contents=None):
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if editor_args[0] == 'shred':
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return
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tmp_path = editor_args[-1]
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# simulate the tmp file being editted
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tmp_file = open(tmp_path, 'wb')
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if new_src_contents:
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tmp_file.write(new_src_contents)
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tmp_file.close()
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def _faux_command(self, tmp_path):
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pass
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_helper_no_change(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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# editor invocation doesn't change anything
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def faux_editor(editor_args):
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self._faux_editor(editor_args, src_file_contents)
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mock_sp_call.side_effect = faux_editor
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ve = self._vault_editor()
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ve._edit_file_helper(src_file_path, self.vault_secret, existing_data=src_file_contents)
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new_target_file = open(src_file_path, 'rb')
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new_target_file_contents = new_target_file.read()
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self.assertEqual(src_file_contents, new_target_file_contents)
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def _assert_file_is_encrypted(self, vault_editor, src_file_path, src_contents):
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new_src_file = open(src_file_path, 'rb')
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new_src_file_contents = new_src_file.read()
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# TODO: assert that it is encrypted
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self.assertTrue(vault.is_encrypted(new_src_file_contents))
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src_file_plaintext = vault_editor.vault.decrypt(new_src_file_contents)
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# the plaintext should not be encrypted
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self.assertFalse(vault.is_encrypted(src_file_plaintext))
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# and the new plaintext should match the original
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self.assertEqual(src_file_plaintext, src_contents)
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def _assert_file_is_link(self, src_file_link_path, src_file_path):
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self.assertTrue(os.path.islink(src_file_link_path),
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'The dest path (%s) should be a symlink to (%s) but is not' % (src_file_link_path, src_file_path))
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def test_rekey_file(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret)
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# FIXME: update to just set self._secrets or just a new vault secret id
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new_password = 'password2:electricbugaloo'
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new_vault_secret = TextVaultSecret(new_password)
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new_vault_secrets = [('default', new_vault_secret)]
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ve.rekey_file(src_file_path, vault.match_encrypt_secret(new_vault_secrets)[1])
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# FIXME: can just update self._secrets here
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new_ve = vault.VaultEditor(VaultLib(new_vault_secrets))
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self._assert_file_is_encrypted(new_ve, src_file_path, src_file_contents)
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def test_rekey_file_no_new_password(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret)
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self.assertRaisesRegex(errors.AnsibleError,
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'The value for the new_password to rekey',
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ve.rekey_file,
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src_file_path,
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None)
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def test_rekey_file_not_encrypted(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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ve = self._vault_editor()
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new_password = 'password2:electricbugaloo'
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self.assertRaisesRegex(errors.AnsibleError,
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'input is not vault encrypted data',
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ve.rekey_file,
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src_file_path, new_password)
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def test_plaintext(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret)
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res = ve.plaintext(src_file_path)
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self.assertEqual(src_file_contents, res)
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def test_plaintext_not_encrypted(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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ve = self._vault_editor()
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self.assertRaisesRegex(errors.AnsibleError,
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'input is not vault encrypted data',
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ve.plaintext,
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src_file_path)
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def test_encrypt_file(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret)
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self._assert_file_is_encrypted(ve, src_file_path, src_file_contents)
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def test_encrypt_file_symlink(self):
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self._test_dir = self._create_test_dir()
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src_file_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
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src_file_link_path = os.path.join(self._test_dir, 'a_link_to_dest_file')
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os.symlink(src_file_path, src_file_link_path)
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ve = self._vault_editor()
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ve.encrypt_file(src_file_link_path, self.vault_secret)
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self._assert_file_is_encrypted(ve, src_file_path, src_file_contents)
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self._assert_file_is_encrypted(ve, src_file_link_path, src_file_contents)
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self._assert_file_is_link(src_file_link_path, src_file_path)
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_no_vault_id(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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new_src_contents = to_bytes("The info is different now.")
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def faux_editor(editor_args):
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self._faux_editor(editor_args, new_src_contents)
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mock_sp_call.side_effect = faux_editor
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret)
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ve.edit_file(src_file_path)
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new_src_file = open(src_file_path, 'rb')
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new_src_file_contents = new_src_file.read()
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self.assertTrue(b'$ANSIBLE_VAULT;1.1;AES256' in new_src_file_contents)
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src_file_plaintext = ve.vault.decrypt(new_src_file_contents)
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self.assertEqual(src_file_plaintext, new_src_contents)
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_with_vault_id(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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new_src_contents = to_bytes("The info is different now.")
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def faux_editor(editor_args):
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self._faux_editor(editor_args, new_src_contents)
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mock_sp_call.side_effect = faux_editor
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret,
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vault_id='vault_secrets')
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ve.edit_file(src_file_path)
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new_src_file = open(src_file_path, 'rb')
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new_src_file_contents = new_src_file.read()
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self.assertTrue(b'$ANSIBLE_VAULT;1.2;AES256;vault_secrets' in new_src_file_contents)
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src_file_plaintext = ve.vault.decrypt(new_src_file_contents)
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self.assertEqual(src_file_plaintext, new_src_contents)
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_symlink(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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new_src_contents = to_bytes("The info is different now.")
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def faux_editor(editor_args):
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self._faux_editor(editor_args, new_src_contents)
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mock_sp_call.side_effect = faux_editor
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ve = self._vault_editor()
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ve.encrypt_file(src_file_path, self.vault_secret)
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src_file_link_path = os.path.join(self._test_dir, 'a_link_to_dest_file')
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os.symlink(src_file_path, src_file_link_path)
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ve.edit_file(src_file_link_path)
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new_src_file = open(src_file_path, 'rb')
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new_src_file_contents = new_src_file.read()
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src_file_plaintext = ve.vault.decrypt(new_src_file_contents)
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self._assert_file_is_link(src_file_link_path, src_file_path)
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self.assertEqual(src_file_plaintext, new_src_contents)
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# self.assertEqual(src_file_plaintext, new_src_contents,
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# 'The decrypted plaintext of the editted file is not the expected contents.')
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@patch('ansible.parsing.vault.subprocess.call')
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def test_edit_file_not_encrypted(self, mock_sp_call):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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new_src_contents = to_bytes("The info is different now.")
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def faux_editor(editor_args):
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self._faux_editor(editor_args, new_src_contents)
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mock_sp_call.side_effect = faux_editor
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ve = self._vault_editor()
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self.assertRaisesRegex(errors.AnsibleError,
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'input is not vault encrypted data',
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ve.edit_file,
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src_file_path)
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def test_create_file_exists(self):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
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ve = self._vault_editor()
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self.assertRaisesRegex(errors.AnsibleError,
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'please use .edit. instead',
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ve.create_file,
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src_file_path,
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self.vault_secret)
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def test_decrypt_file_exception(self):
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self._test_dir = self._create_test_dir()
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src_contents = to_bytes("some info in a file\nyup.")
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src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
|
|
|
|
ve = self._vault_editor()
|
|
self.assertRaisesRegex(errors.AnsibleError,
|
|
'input is not vault encrypted data',
|
|
ve.decrypt_file,
|
|
src_file_path)
|
|
|
|
@patch.object(vault.VaultEditor, '_editor_shell_command')
|
|
def test_create_file(self, mock_editor_shell_command):
|
|
|
|
def sc_side_effect(filename):
|
|
return ['touch', filename]
|
|
mock_editor_shell_command.side_effect = sc_side_effect
|
|
|
|
tmp_file = tempfile.NamedTemporaryFile()
|
|
os.unlink(tmp_file.name)
|
|
|
|
_secrets = self._secrets('ansible')
|
|
ve = self._vault_editor(_secrets)
|
|
ve.create_file(tmp_file.name, vault.match_encrypt_secret(_secrets)[1])
|
|
|
|
self.assertTrue(os.path.exists(tmp_file.name))
|
|
|
|
def test_decrypt_1_1(self):
|
|
v11_file = tempfile.NamedTemporaryFile(delete=False)
|
|
with v11_file as f:
|
|
f.write(to_bytes(v11_data))
|
|
|
|
ve = self._vault_editor(self._secrets("ansible"))
|
|
|
|
# make sure the password functions for the cipher
|
|
error_hit = False
|
|
try:
|
|
ve.decrypt_file(v11_file.name)
|
|
except errors.AnsibleError:
|
|
error_hit = True
|
|
|
|
# verify decrypted content
|
|
f = open(v11_file.name, "rb")
|
|
fdata = to_text(f.read())
|
|
f.close()
|
|
|
|
os.unlink(v11_file.name)
|
|
|
|
assert error_hit is False, "error decrypting 1.1 file"
|
|
assert fdata.strip() == "foo", "incorrect decryption of 1.1 file: %s" % fdata.strip()
|
|
|
|
def test_real_path_dash(self):
|
|
filename = '-'
|
|
ve = self._vault_editor()
|
|
|
|
res = ve._real_path(filename)
|
|
self.assertEqual(res, '-')
|
|
|
|
def test_real_path_dev_null(self):
|
|
filename = '/dev/null'
|
|
ve = self._vault_editor()
|
|
|
|
res = ve._real_path(filename)
|
|
self.assertEqual(res, '/dev/null')
|
|
|
|
def test_real_path_symlink(self):
|
|
self._test_dir = os.path.realpath(self._create_test_dir())
|
|
file_path = self._create_file(self._test_dir, 'test_file', content=b'this is a test file')
|
|
file_link_path = os.path.join(self._test_dir, 'a_link_to_test_file')
|
|
|
|
os.symlink(file_path, file_link_path)
|
|
|
|
ve = self._vault_editor()
|
|
|
|
res = ve._real_path(file_link_path)
|
|
self.assertEqual(res, file_path)
|