diff options
Diffstat (limited to 'src/leap/keymanager/keys.py')
| -rw-r--r-- | src/leap/keymanager/keys.py | 108 |
1 files changed, 77 insertions, 31 deletions
diff --git a/src/leap/keymanager/keys.py b/src/leap/keymanager/keys.py index a61a8c7..7c732e3 100644 --- a/src/leap/keymanager/keys.py +++ b/src/leap/keymanager/keys.py @@ -27,6 +27,7 @@ except ImportError: import json # noqa import logging import re +import time from abc import ABCMeta, abstractmethod @@ -50,9 +51,11 @@ KEY_DATA_KEY = 'key_data' KEY_PRIVATE_KEY = 'private' KEY_LENGTH_KEY = 'length' KEY_EXPIRY_DATE_KEY = 'expiry_date' -KEY_FIRST_SEEN_AT_KEY = 'first_seen_at' KEY_LAST_AUDITED_AT_KEY = 'last_audited_at' +KEY_REFRESHED_AT_KEY = 'refreshed_at' KEY_VALIDATION_KEY = 'validation' +KEY_ENCR_USED_KEY = 'encr_used' +KEY_SIGN_USED_KEY = 'sign_used' KEY_TAGS_KEY = 'tags' @@ -61,6 +64,8 @@ KEY_TAGS_KEY = 'tags' # KEYMANAGER_KEY_TAG = 'keymanager-key' +KEYMANAGER_ACTIVE_TAG = 'keymanager-active' +KEYMANAGER_ACTIVE_TYPE = '-active' # @@ -68,14 +73,20 @@ KEYMANAGER_KEY_TAG = 'keymanager-key' # TAGS_PRIVATE_INDEX = 'by-tags-private' -TAGS_ADDRESS_PRIVATE_INDEX = 'by-tags-address-private' +TYPE_ID_PRIVATE_INDEX = 'by-type-id-private' +TYPE_ADDRESS_PRIVATE_INDEX = 'by-type-address-private' INDEXES = { TAGS_PRIVATE_INDEX: [ KEY_TAGS_KEY, 'bool(%s)' % KEY_PRIVATE_KEY, ], - TAGS_ADDRESS_PRIVATE_INDEX: [ - KEY_TAGS_KEY, + TYPE_ID_PRIVATE_INDEX: [ + KEY_TYPE_KEY, + KEY_ID_KEY, + 'bool(%s)' % KEY_PRIVATE_KEY, + ], + TYPE_ADDRESS_PRIVATE_INDEX: [ + KEY_TYPE_KEY, KEY_ADDRESS_KEY, 'bool(%s)' % KEY_PRIVATE_KEY, ] @@ -98,20 +109,15 @@ def is_address(address): return bool(re.match('[\w.-]+@[\w.-]+', address)) -def build_key_from_dict(kClass, address, kdict): +def build_key_from_dict(kClass, kdict): """ - Build an C{kClass} key bound to C{address} based on info in C{kdict}. + Build an C{kClass} key based on info in C{kdict}. - :param address: The address bound to the key. - :type address: str :param kdict: Dictionary with key data. :type kdict: dict :return: An instance of the key. :rtype: C{kClass} """ - leap_assert( - address == kdict[KEY_ADDRESS_KEY], - 'Wrong address in key data.') try: validation = toValidationLevel(kdict[KEY_VALIDATION_KEY]) except ValueError: @@ -119,24 +125,40 @@ def build_key_from_dict(kClass, address, kdict): (kdict[KEY_VALIDATION_KEY], kdict[KEY_ID_KEY])) validation = ValidationLevel.Weak_Chain - expiry_date = None - if kdict[KEY_EXPIRY_DATE_KEY]: - expiry_date = datetime.fromtimestamp(int(kdict[KEY_EXPIRY_DATE_KEY])) + expiry_date = _to_datetime(kdict[KEY_EXPIRY_DATE_KEY]) + last_audited_at = _to_datetime(kdict[KEY_LAST_AUDITED_AT_KEY]) + refreshed_at = _to_datetime(kdict[KEY_REFRESHED_AT_KEY]) return kClass( - address, + kdict[KEY_ADDRESS_KEY], key_id=kdict[KEY_ID_KEY], fingerprint=kdict[KEY_FINGERPRINT_KEY], key_data=kdict[KEY_DATA_KEY], private=kdict[KEY_PRIVATE_KEY], length=kdict[KEY_LENGTH_KEY], expiry_date=expiry_date, - first_seen_at=kdict[KEY_FIRST_SEEN_AT_KEY], - last_audited_at=kdict[KEY_LAST_AUDITED_AT_KEY], + last_audited_at=last_audited_at, + refreshed_at=refreshed_at, validation=validation, + encr_used=kdict[KEY_ENCR_USED_KEY], + sign_used=kdict[KEY_SIGN_USED_KEY], ) +def _to_datetime(unix_time): + if unix_time != 0: + return datetime.fromtimestamp(unix_time) + else: + return None + + +def _to_unix_time(date): + if date is not None: + return int(time.mktime(date.timetuple())) + else: + return 0 + + # # Abstraction for encryption keys # @@ -151,9 +173,10 @@ class EncryptionKey(object): __metaclass__ = ABCMeta - def __init__(self, address, key_id=None, fingerprint=None, - key_data=None, private=None, length=None, expiry_date=None, - validation=None, first_seen_at=None, last_audited_at=None): + def __init__(self, address, key_id="", fingerprint="", + key_data="", private=False, length=0, expiry_date=None, + validation=ValidationLevel.Weak_Chain, last_audited_at=None, + refreshed_at=None, encr_used=False, sign_used=False): self.address = address self.key_id = key_id self.fingerprint = fingerprint @@ -162,8 +185,10 @@ class EncryptionKey(object): self.length = length self.expiry_date = expiry_date self.validation = validation - self.first_seen_at = first_seen_at self.last_audited_at = last_audited_at + self.refreshed_at = refreshed_at + self.encr_used = encr_used + self.sign_used = sign_used def get_json(self): """ @@ -172,25 +197,44 @@ class EncryptionKey(object): :return: The JSON string describing this key. :rtype: str """ - expiry_str = "" - if self.expiry_date is not None: - expiry_str = self.expiry_date.strftime("%s") + expiry_date = _to_unix_time(self.expiry_date) + last_audited_at = _to_unix_time(self.last_audited_at) + refreshed_at = _to_unix_time(self.refreshed_at) return json.dumps({ KEY_ADDRESS_KEY: self.address, - KEY_TYPE_KEY: str(self.__class__), + KEY_TYPE_KEY: self.__class__.__name__, KEY_ID_KEY: self.key_id, KEY_FINGERPRINT_KEY: self.fingerprint, KEY_DATA_KEY: self.key_data, KEY_PRIVATE_KEY: self.private, KEY_LENGTH_KEY: self.length, - KEY_EXPIRY_DATE_KEY: expiry_str, + KEY_EXPIRY_DATE_KEY: expiry_date, + KEY_LAST_AUDITED_AT_KEY: last_audited_at, + KEY_REFRESHED_AT_KEY: refreshed_at, KEY_VALIDATION_KEY: str(self.validation), - KEY_FIRST_SEEN_AT_KEY: self.first_seen_at, - KEY_LAST_AUDITED_AT_KEY: self.last_audited_at, + KEY_ENCR_USED_KEY: self.encr_used, + KEY_SIGN_USED_KEY: self.sign_used, KEY_TAGS_KEY: [KEYMANAGER_KEY_TAG], }) + def get_active_json(self, address): + """ + Return a JSON string describing this key. + + :param address: Address for wich the key is active + :type address: str + :return: The JSON string describing this key. + :rtype: str + """ + return json.dumps({ + KEY_ADDRESS_KEY: address, + KEY_TYPE_KEY: self.__class__.__name__ + KEYMANAGER_ACTIVE_TYPE, + KEY_ID_KEY: self.key_id, + KEY_PRIVATE_KEY: self.private, + KEY_TAGS_KEY: [KEYMANAGER_ACTIVE_TAG], + }) + def __repr__(self): """ Representation of this class @@ -266,12 +310,14 @@ class EncryptionScheme(object): pass @abstractmethod - def put_key(self, key): + def put_key(self, key, address): """ Put a key in local storage. :param key: The key to be stored. :type key: EncryptionKey + :param address: address for which this key will be active. + :type address: str """ pass @@ -365,7 +411,7 @@ class EncryptionScheme(object): verified against this sdetached signature. :type detached_sig: str - :return: The signed data. - :rtype: str + :return: signature matches + :rtype: bool """ pass |