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vaultpass/vaultpass/__init__.py

355 lines
15 KiB
Python

import logging
import tempfile
import os
import subprocess
import time
##
from . import logger
_logger = logging.getLogger('VaultPass')
##
import hvac.exceptions
##
from . import args
from . import auth
from . import clipboard
from . import config
from . import constants
from . import gpg_handler
from . import mounts
from . import pass_import
from . import QR
class VaultPass(object):
client = None
auth = None
uri = None
mount = None
def __init__(self, initialize = False, cfg = '~/.config/vaultpass.xml'):
self.initialize = initialize
self.cfg = config.getConfig(cfg)
self._getURI()
self.getClient()
if not self.initialize:
self._checkSeal()
self._getMount()
def _checkSeal(self):
_logger.debug('Checking and attempting unseal if necessary and possible.')
if not self.client.sys.is_sealed():
_logger.debug('Unsealing unnecessary; Vault is already unsealed.')
return(None)
shard = self.cfg.xml.find('unseal')
if shard is None:
_logger.debug('Vault is sealed but no key shard was provided.')
_logger.error('Vault is sealed')
raise RuntimeError('Vault is sealed')
self.client.sys.submit_unseal_key(shard.text)
if self.client.sys.is_sealed:
_logger.debug(('Vault is sealed and either our unseal shard is incorrect or it is not enough to meet the '
'unseal shard threshold.'))
_logger.error('Unable to unseal')
raise RuntimeError('Unable to unseal')
return(None)
def _getConfirm(self, msg = None):
if not msg:
msg = 'Are you sure (y/N)? '
confirm = input(msg)
confirm = confirm.lower().strip()
if confirm.startswith('y'):
return(True)
return(False)
def _getHandler(self, mount, func = 'read', *args, **kwargs):
if func not in ('read', 'write', 'list', 'delete', 'destroy'):
_logger.error('Invalid func')
_logger.debug('Invalid func; must be one of: read, write, list, delete, destroy')
raise ValueError('Invalid func')
mtype = self.mount.getMountType(mount)
handler = None
handler_map = {'cubbyhole': {'read': self.mount.cubbyhandler.read_secret,
'write': self.mount.cubbyhandler.write_secret,
'list': self.mount.cubbyhandler.list_secrets,
'delete': self.mount.cubbyhandler.remove_secret,
'destroy': self.mount.cubbyhandler.remove_secret},
'kv1': {'read': self.client.secrets.kv.v1.read_secret,
'write': self.client.secrets.kv.v1.create_or_update_secret,
'list': self.client.secrets.kv.v1.list_secrets,
'delete': self.client.secrets.kv.v1.delete_secret,
'destroy': self.client.secrets.kv.v1.delete_secret},
'kv2': {'read': self.client.secrets.kv.v2.read_secret_version,
'write': self.client.secrets.kv.v2.create_or_update_secret,
'list': self.client.secrets.kv.v2.list_secrets,
'delete': self.client.secrets.kv.v2.delete_secret_versions,
'destroy': self.client.secrets.kv.v2.destroy_secret_versions}}
handler = handler_map.get(mtype, {}).get(func, None)
if not handler:
_logger.error('Could not get handler')
_logger.debug('Could not get handler for function {0} on mount {1} (type {2})'.format(func, mount, mtype))
raise RuntimeError('Could not get handler')
return(handler)
def _getMount(self):
mounts_xml = self.cfg.xml.find('.//mounts')
self.mount = mounts.MountHandler(self.client, mounts_xml = mounts_xml)
return(None)
def _getURI(self):
uri = self.cfg.xml.find('.//uri')
if uri is None:
_logger.debug('No server URI specified; checking ${VAULT_ADDR}')
_uri = os.environ.get('VAULT_ADDR')
if not _uri:
_logger.debug('No ${VAULT_ADDR}; using default of http://localhost:8200/')
uri = 'http://localhost:8200/'
else:
uri = _uri
else:
uri = uri.text
self.uri = uri
_logger.debug('Set URI to {0}'.format(self.uri))
return(None)
def _pathExists(self, path, mount, is_secret = False, *args, **kwargs):
kname = None
if is_secret:
lpath = path.split('/')
path = '/'.join(lpath[0:-1])
kname = lpath[-1]
path_obj = self.mount.getPath(path, mount)
if path_obj:
if not is_secret:
return(True)
else:
if kname in path_obj.keys():
return(True)
return(False)
def convert(self,
mount,
force = False,
gpghome = constants.GPG_HOMEDIR,
pass_dir = constants.PASS_DIR,
*args, **kwargs):
pass # TODO
def copySecret(self, oldpath, newpath, mount, newmount = None, force = False, remove_old = False, *args, **kwargs):
mtype = self.mount.getMountType(mount)
if not newmount:
newmount = mount
newmtype = mtype
else:
newmtype = self.mount.getMountType(newmount)
oldexists = self._pathExists(oldpath, mount = mount)
if not oldexists:
_logger.error('oldpath does not exist')
_logger.debug('The oldpath {0} does not exist'.format(oldpath))
raise ValueError('oldpath does not exist')
data = self.getSecret(oldpath, mount)
if not data:
_logger.error('No secret found')
_logger.debug('The secret at path {0} on mount {1} does not exist.'.format(oldpath, mount))
# TODO: left off here
newexists = self._pathExists(newpath, mount = newmount)
if newexists and not force:
_logger.debug('The newpath {0} exists; prompting for confirmation.'.format(newpath))
confirm = self._getConfirm('The destination {0} exists. Overwrite (y/N)?'.format(newpath))
if not confirm:
return(None)
if remove_old:
self.deleteSecret(oldpath, mount, force = force)
return(None)
def createSecret(self, secret_dict, path, mount_name, *args, **kwargs):
mtype = self.mount.mounts.get(mount_name)
handler = None
if not mtype:
_logger.error('Could not determine mount type')
_logger.debug('Could not determine mount type for mount {0}'.format(mount_name))
raise RuntimeError('Could not determine mount type')
args = {'path': path,
'mount_point': mount_name,
'secret': secret_dict}
if mtype == 'cubbyhole':
handler = self.mount.cubbyhandler.write_secret
elif mtype == 'kv1':
handler = self.client.secrets.kv.v1.create_or_update_secret
elif mtype == 'kv2':
handler = self.client.secrets.kv.v2.create_or_update_secret
resp = handler(**args)
return(resp)
def deleteSecret(self, path, mount, force = False, recursive = False, *args, **kwargs):
mtype = self.mount.getMountType(mount)
args = {'path': path,
'mount_point': mount}
handler = self._getHandler(mount, func = 'delete')
is_path = self._pathExists(path, mount)
is_secret = self._pathExists(path, mount, is_secret = True)
def destroySecret(self, path, mount, force = False, recursive = False, *args, **kwargs):
pass # TODO
def editSecret(self, path, mount, editor = constants.EDITOR, *args, **kwargs):
pass # TODO
def generateSecret(self,
path,
mount,
symbols = True,
clip = False,
seconds = constants.CLIP_TIMEOUT,
chars = constants.SELECTED_PASS_CHARS,
chars_plain = constants.SELECTED_PASS_NOSYMBOL_CHARS,
in_place = False,
qr = False,
force = False,
length = constants.GENERATED_LENGTH,
*args, **kwargs):
pass # TODO
def getClient(self):
auth_xml = self.cfg.xml.find('.//auth')
if auth_xml is None:
_logger.debug('No auth section was found in the configuration file.')
_logger.error('Could not find authentication')
raise RuntimeError('Could not find authentication')
authmethod_xml = auth_xml.getchildren()[0]
_logger.debug('Attempting to auto-detect the authentication method...')
for a in dir(auth):
if a.startswith('_'):
continue
c = getattr(auth, a)
if not c:
continue
confname = getattr(c, 'config_name')
if not confname or confname != authmethod_xml.tag:
continue
self.auth = c(self.uri,
authmethod_xml)
_logger.debug('Found auth method: {0}'.format(self.auth.name))
break
if not self.auth:
_logger.debug('Auth specified ({0}) was not found or is not supported'.format(authmethod_xml.tag))
_logger.error('Invalid auth configuration')
raise RuntimeError('Invalid auth configuration')
self.client = self.auth.client
if not self.client.sys.is_initialized() and not self.initialize:
_logger.debug('Vault instance is not initialized. Please initialize (and configure, if necessary) first.')
_logger.error('Not initialized')
raise RuntimeError('Not initialized')
return(None)
def getSecret(self,
path,
mount,
kname = None,
clip = None,
qr = None,
seconds = constants.CLIP_TIMEOUT,
printme = False,
*args, **kwargs):
mtype = self.mount.getMountType(mount)
args = {'path': path,
'mount_point': mount}
handler = self._getHandler(mount, func = 'read')
try:
data = handler(**args)
if mtype in ('cubbyhole', 'kv1'):
data = data['data']
elif mtype == 'kv2':
data = data['data']['data']
if kname:
data = data.get(kname)
except hvac.exceptions.InvalidPath as e:
lpath = path.split('/')
path = '/'.join(lpath[0:-1])
args = {'path': path,
'kname': lpath[-1],
'mount': mount,
'clip': clip,
'qr': qr,
'seconds': seconds,
'printme': printme}
# Add return here?
data = self.getSecret(**args)
if qr not in (False, None):
qrdata, has_x = QR.genQr(data, image = True)
if has_x:
fpath = tempfile.mkstemp(prefix = '.vaultpass.qr.', suffix = '.svg', dir = '/dev/shm')[1]
_logger.debug('Writing to {0} so it can be displayed'.format(fpath))
with open(fpath, 'wb') as fh:
fh.write(qrdata.read())
if printme:
_logger.debug('Opening {0} in the default image viwer application'.format(fpath))
# We intentionally want this to block, as most image viewers will unload the image once the file
# is deleted and we can probably delete it faster than the user can save it elsewhere or
# scan it with their phone.
# TODO: we could use Popen() and do a countdown for "seconds" seconds, and then kill the viewer.
# But that breaks compat with Pass' behaviour.
if printme:
print('Now displaying generated QR code. Please close the viewer when done saving/scanning to '
'securely clean up the generated file...')
cmd = subprocess.run(['xdg-open', fpath], stdout = subprocess.PIPE, stderr = subprocess.PIPE)
if cmd.returncode != 0:
_logger.error('xdg-open returned non-zero status code')
for x in ('stdin', 'stdout'):
o = getattr(cmd, x)
if not o:
continue
o = o.decode('utf-8').strip()
if o != '':
_logger.debug('{0}: {1}'.format(x.upper(), o))
if printme:
print('Done. Deleting generated file.')
os.remove(fpath)
elif printme:
print(qrdata.read())
qrdata.seek(0, 0)
del(qrdata)
if clip not in (False, None):
clipboard.pasteClipboard(data, seconds = seconds, clipboard = clipboard, printme = printme)
return(data)
def initVault(self, *args, **kwargs):
if not self.client.sys.is_initialized():
init_rslt = self.client.sys.initialize(secret_shares = 1, secret_threshold = 1)
unseal = init_rslt['keys_base64'][0]
token = init_rslt['root_token']
self.cfg.updateAuth(unseal, token)
self.client.sys.submit_unseal_key(unseal)
self.client.token = token
# JUST in case.
time.sleep(1)
for mname, mtype in self.mount.mounts.items():
if mtype == 'cubbyhole':
# There isn't a way to "create" a cubbyhole.
continue
self.mount.createMount(mname, mtype)
self._checkSeal()
self._getMount()
return(None)
def insertSecret(self,
path,
mount,
allow_shouldersurf = False,
multiline = False,
force = False,
confirm = True,
*args, **kwargs):
pass # TODO
def listSecretNames(self, path, mount, output = None, indent = 4, *args, **kwargs):
pass # TODO
def searchSecrets(self, pattern, mount, *args, **kwargs):
pass # TODO
def searchSecretNames(self, pattern, mount, *args, **kwargs):
pass # TODO