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entry.py
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entry.py
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from __future__ import unicode_literals
from __future__ import absolute_import
from pykeepass.baseelement import BaseElement
from copy import deepcopy
from lxml.etree import Element, _Element
from lxml.objectify import ObjectifiedElement
from lxml.builder import E
import logging
import pykeepass.group
from datetime import datetime
logger = logging.getLogger(__name__)
reserved_keys = [
'Title',
'UserName',
'Password',
'URL',
'Tags',
'IconID',
'Times',
'History'
]
class Entry(BaseElement):
def __init__(self, title=None, username=None, password=None, url=None,
notes=None, tags=None, expires=False, expiry_time=None,
icon=None, autotype_sequence=None, autotype_enabled=True,
element=None, version=None):
assert type(version) is tuple, 'The provided version is not a tuple, but a {}'.format(
type(version)
)
self._version = version
if element is None:
super(Entry, self).__init__(
element=Element('Entry'),
version=version,
expires=expires,
expiry_time=expiry_time,
icon=icon
)
self._element.append(E.String(E.Key('Title'), E.Value(title)))
self._element.append(E.String(E.Key('UserName'), E.Value(username)))
self._element.append(
E.String(E.Key('Password'), E.Value(password, protected="False"))
)
if url:
self._element.append(E.String(E.Key('URL'), E.Value(url)))
if notes:
self._element.append(E.String(E.Key('Notes'), E.Value(notes)))
if tags:
self._element.append(
E.Tags(';'.join(tags) if type(tags) is list else tags)
)
self._element.append(
E.AutoType(
E.Enabled(str(autotype_enabled)),
E.DataTransferObfuscation('0'),
E.DefaultSequence(str(autotype_sequence))
)
)
else:
assert type(element) in [_Element, Element, ObjectifiedElement], \
'The provided element is not an LXML Element, but a {}'.format(
type(element)
)
assert element.tag == 'Entry', 'The provided element is not an Entry '\
'element, but a {}'.format(element.tag)
self._element = element
def _get_string_field(self, key):
results = self._element.xpath('String/Key[text()="{}"]/../Value'.format(key))
if results:
return results[0].text
def _set_string_field(self, key, value):
results = self._element.xpath('String/Key[text()="{}"]/..'.format(key))
if results:
logger.debug('There is field named {}. Remove it and create again.'.format(key))
self._element.remove(results[0])
else:
logger.debug('No field named {}. Create it.'.format(key))
self._element.append(E.String(E.Key(key), E.Value(value)))
def _get_string_field_keys(self, exclude_reserved=False):
results = [x.find('Key').text for x in self._element.findall('String')]
if exclude_reserved:
return [x for x in results if x not in reserved_keys]
else:
return results
@property
def title(self):
return self._get_string_field('Title')
@title.setter
def title(self, value):
return self._set_string_field('Title', value)
@property
def username(self):
return self._get_string_field('UserName')
@username.setter
def username(self, value):
return self._set_string_field('UserName', value)
@property
def password(self):
return self._get_string_field('Password')
@password.setter
def password(self, value):
return self._set_string_field('Password', value)
@property
def url(self):
return self._get_string_field('URL')
@url.setter
def url(self, value):
return self._set_string_field('URL', value)
@property
def notes(self):
return self._get_string_field('Notes')
@notes.setter
def notes(self, value):
return self._set_string_field('Notes', value)
@property
def icon(self):
return self._get_subelement_text('IconID')
@icon.setter
def icon(self, value):
return self._set_subelement_text('IconID', value)
@property
def tags(self):
val = self._get_subelement_text('Tags')
return val.split(';') if val else val
@tags.setter
def tags(self, value):
# Accept both str or list
v = ';'.join(value if type(value) is list else [value])
return self._set_subelement_text('Tags', v)
@property
def history(self):
if self._element.find('History') is not None:
return [Entry(element=x, version=self._version) for x in self._element.find('History').findall('Entry')]
@history.setter
def history(self, value):
raise NotImplementedError()
@property
def autotype_enabled(self):
enabled = self._element.find('AutoType/Enabled')
if enabled.text is not None:
return enabled.text == 'True'
@autotype_enabled.setter
def autotype_enabled(self, value):
enabled = self._element.find('AutoType/Enabled')
if value is not None:
enabled.text= str(value)
else:
enabled.text = None
@property
def autotype_sequence(self):
sequence = self._element.find('AutoType/DefaultSequence')
return sequence.text if sequence else None
@autotype_sequence.setter
def autotype_sequence(self, value):
self._element.find('AutoType/DefaultSequence').text = value
@property
def is_a_history_entry(self):
parent = self._element.getparent()
if parent is not None:
return parent.tag == 'History'
return False
@property
def parentgroup(self):
if self.is_a_history_entry:
ancestor = self._element.getparent().getparent()
else:
ancestor = self._element.getparent()
if ancestor is not None:
return pykeepass.group.Group(element=ancestor, version=self._version)
@property
def path(self):
# The root group is an orphan
if self.is_a_history_entry:
pentry = Entry(
element=self._element.getparent().getparent(),
version=self._version
).title
return '[History of: {}]'.format(pentry)
if self.parentgroup is None:
return None
p = self.parentgroup
ppath = ''
while p is not None and not p.is_root_group:
if p.name is not None: # dont make the root group appear
ppath = '{}/{}'.format(p.name, ppath)
p = p.parentgroup
return '{}{}'.format(ppath, self.title)
def set_custom_property(self, key, value):
assert key not in reserved_keys, '{} is a reserved key'.format(key)
return self._set_string_field(key, value)
def get_custom_property(self, key):
assert key not in reserved_keys, '{} is a reserved key'.format(key)
return self._get_string_field(key)
def delete_custom_property(self, key):
if key not in self._get_string_field_keys(exclude_reserved=True):
raise AttributeError('No such key: {}'.format(key))
prop = self._element.xpath('String/Key[text()="{}"]/..'.format(key))
if len(prop) < 1:
raise AttributeError('Could not find property element')
self._element.remove(prop[0])
@property
def custom_properties(self):
keys = self._get_string_field_keys(exclude_reserved=True)
props = {}
for k in keys:
props[k] = self._get_string_field(k)
return props
def touch(self, modify=False):
'''
Update last access time of an entry
'''
self._element.Times.LastAccessTime = datetime.utcnow()
if modify:
self._element.Times.LastModificationTime = datetime.utcnow()
def save_history(self):
'''
Save the entry in its history
'''
archive = deepcopy(self._element)
hist = archive.find('History')
if hist is not None:
archive.remove(hist)
self._element.find('History').append(archive)
else:
history = Element('History')
history.append(archive)
self._element.append(history)
def __str__(self):
return str(
'Entry: "{} ({})"'.format(self.path, self.username).encode('utf-8')
)
def __eq__(self, other):
return (
(self.title, self.username, self.password, self.url,
self.notes, self.icon, self.tags, self.atime, self.ctime,
self.mtime, self.expires, self.uuid) ==
(other.title, other.username, other.password, other.url,
other.notes, other.icon, other.tags, other.atime, other.ctime,
other.mtime, other.expires, other.uuid)
)