mirror of
https://github.com/thegeeklab/ansible-later.git
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138 lines
4.1 KiB
Python
138 lines
4.1 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.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 yaml
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from ansible.module_utils.six import text_type
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from ansible.module_utils._text import to_bytes, to_text
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class AnsibleBaseYAMLObject(object):
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'''
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the base class used to sub-class python built-in objects
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so that we can add attributes to them during yaml parsing
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'''
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_data_source = None
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_line_number = 0
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_column_number = 0
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def _get_ansible_position(self):
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return (self._data_source, self._line_number, self._column_number)
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def _set_ansible_position(self, obj):
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try:
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(src, line, col) = obj
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except (TypeError, ValueError):
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raise AssertionError(
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'ansible_pos can only be set with a tuple/list '
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'of three values: source, line number, column number'
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)
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self._data_source = src
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self._line_number = line
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self._column_number = col
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ansible_pos = property(_get_ansible_position, _set_ansible_position)
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class AnsibleMapping(AnsibleBaseYAMLObject, dict):
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''' sub class for dictionaries '''
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pass
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class AnsibleUnicode(AnsibleBaseYAMLObject, text_type):
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''' sub class for unicode objects '''
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pass
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class AnsibleSequence(AnsibleBaseYAMLObject, list):
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''' sub class for lists '''
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pass
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# Unicode like object that is not evaluated (decrypted) until it needs to be
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# TODO: is there a reason these objects are subclasses for YAMLObject?
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class AnsibleVaultEncryptedUnicode(yaml.YAMLObject, AnsibleBaseYAMLObject):
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__UNSAFE__ = True
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__ENCRYPTED__ = True
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yaml_tag = u'!vault'
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@classmethod
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def from_plaintext(cls, seq, vault, secret):
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if not vault:
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raise vault.AnsibleVaultError('Error creating AnsibleVaultEncryptedUnicode, invalid vault (%s) provided' % vault)
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ciphertext = vault.encrypt(seq, secret)
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avu = cls(ciphertext)
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avu.vault = vault
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return avu
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def __init__(self, ciphertext):
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'''A AnsibleUnicode with a Vault attribute that can decrypt it.
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ciphertext is a byte string (str on PY2, bytestring on PY3).
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The .data attribute is a property that returns the decrypted plaintext
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of the ciphertext as a PY2 unicode or PY3 string object.
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'''
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super(AnsibleVaultEncryptedUnicode, self).__init__()
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# after construction, calling code has to set the .vault attribute to a vaultlib object
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self.vault = None
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self._ciphertext = to_bytes(ciphertext)
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@property
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def data(self):
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if not self.vault:
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# FIXME: raise exception?
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return self._ciphertext
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return to_text(self.vault.decrypt(self._ciphertext))
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@data.setter
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def data(self, value):
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self._ciphertext = value
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def __repr__(self):
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return repr(self.data)
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# Compare a regular str/text_type with the decrypted hypertext
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def __eq__(self, other):
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if self.vault:
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return other == self.data
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return False
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def __hash__(self):
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return id(self)
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def __ne__(self, other):
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if self.vault:
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return other != self.data
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return True
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def __str__(self):
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return str(self.data)
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def __unicode__(self):
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return to_text(self.data, errors='surrogate_or_strict')
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def encode(self, encoding=None, errors=None):
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return self.data.encode(encoding, errors)
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