Merge remote-tracking branch 'drebs/feature/3037-separate-keymanager-into-its-own-package' into develop

1 files changed, 0 insertions, 285 deletions

diff --git a/src/leap/keymanager/keys.py b/src/leap/keymanager/keys.py
deleted file mode 100644
index 44bd587b..00000000
--- a/src/leap/keymanager/keys.py
+++ /dev/null
@@ -1,285 +0,0 @@
-# -*- coding: utf-8 -*-
-# keys.py
-# Copyright (C) 2013 LEAP
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-"""
-Abstact key type and encryption scheme representations.
-"""
-
-
-try:
-    import simplejson as json
-except ImportError:
-    import json  # noqa
-import re
-
-
-from abc import ABCMeta, abstractmethod
-from leap.common.check import leap_assert
-
-
-#
-# Dictionary keys used for storing cryptographic keys.
-#
-
-KEY_ADDRESS_KEY = 'address'
-KEY_TYPE_KEY = 'type'
-KEY_ID_KEY = 'key_id'
-KEY_FINGERPRINT_KEY = 'fingerprint'
-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_VALIDATION_KEY = 'validation'
-KEY_TAGS_KEY = 'tags'
-
-
-#
-# Key storage constants
-#
-
-KEYMANAGER_KEY_TAG = 'keymanager-key'
-
-
-#
-# key indexing constants.
-#
-
-TAGS_PRIVATE_INDEX = 'by-tags-private'
-TAGS_ADDRESS_PRIVATE_INDEX = 'by-tags-address-private'
-INDEXES = {
-    TAGS_PRIVATE_INDEX: [
-        KEY_TAGS_KEY,
-        'bool(%s)' % KEY_PRIVATE_KEY,
-    ],
-    TAGS_ADDRESS_PRIVATE_INDEX: [
-        KEY_TAGS_KEY,
-        KEY_ADDRESS_KEY,
-        'bool(%s)' % KEY_PRIVATE_KEY,
-    ]
-}
-
-
-#
-# Key handling utilities
-#
-
-def is_address(address):
-    """
-    Return whether the given C{address} is in the form user@provider.
-
-    :param address: The address to be tested.
-    :type address: str
-    :return: Whether C{address} is in the form user@provider.
-    :rtype: bool
-    """
-    return bool(re.match('[\w.-]+@[\w.-]+', address))
-
-
-def build_key_from_dict(kClass, address, kdict):
-    """
-    Build an C{kClass} key bound to C{address} 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.')
-    return kClass(
-        address,
-        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=kdict[KEY_EXPIRY_DATE_KEY],
-        first_seen_at=kdict[KEY_FIRST_SEEN_AT_KEY],
-        last_audited_at=kdict[KEY_LAST_AUDITED_AT_KEY],
-        validation=kdict[KEY_VALIDATION_KEY],  # TODO: verify for validation.
-    )
-
-
-#
-# Abstraction for encryption keys
-#
-
-class EncryptionKey(object):
-    """
-    Abstract class for encryption keys.
-
-    A key is "validated" if the nicknym agent has bound the user address to a
-    public key. Nicknym supports three different levels of key validation:
-
-    * Level 3 - path trusted: A path of cryptographic signatures can be traced
-      from a trusted key to the key under evaluation. By default, only the
-      provider key from the user's provider is a "trusted key".
-    * level 2 - provider signed: The key has been signed by a provider key for
-      the same domain, but the provider key is not validated using a trust
-      path (i.e. it is only registered)
-    * level 1 - registered: The key has been encountered and saved, it has no
-      signatures (that are meaningful to the nicknym agent).
-    """
-
-    __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):
-        self.address = address
-        self.key_id = key_id
-        self.fingerprint = fingerprint
-        self.key_data = key_data
-        self.private = private
-        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
-
-    def get_json(self):
-        """
-        Return a JSON string describing this key.
-
-        :return: The JSON string describing this key.
-        :rtype: str
-        """
-        return json.dumps({
-            KEY_ADDRESS_KEY: self.address,
-            KEY_TYPE_KEY: str(self.__class__),
-            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: self.expiry_date,
-            KEY_VALIDATION_KEY: self.validation,
-            KEY_FIRST_SEEN_AT_KEY: self.first_seen_at,
-            KEY_LAST_AUDITED_AT_KEY: self.last_audited_at,
-            KEY_TAGS_KEY: [KEYMANAGER_KEY_TAG],
-        })
-
-    def __repr__(self):
-        """
-        Representation of this class
-        """
-        return u"<%s 0x%s (%s - %s)>" % (
-            self.__class__.__name__,
-            self.key_id,
-            self.address,
-            "priv" if self.private else "publ")
-
-
-#
-# Encryption schemes
-#
-
-class EncryptionScheme(object):
-    """
-    Abstract class for Encryption Schemes.
-
-    A wrapper for a certain encryption schemes should know how to get and put
-    keys in local storage using Soledad, how to generate new keys and how to
-    find out about possibly encrypted content.
-    """
-
-    __metaclass__ = ABCMeta
-
-    def __init__(self, soledad):
-        """
-        Initialize this Encryption Scheme.
-
-        :param soledad: A Soledad instance for local storage of keys.
-        :type soledad: leap.soledad.Soledad
-        """
-        self._soledad = soledad
-        self._init_indexes()
-
-    def _init_indexes(self):
-        """
-        Initialize the database indexes.
-        """
-        # Ask the database for currently existing indexes.
-        db_indexes = dict(self._soledad.list_indexes())
-        # Loop through the indexes we expect to find.
-        for name, expression in INDEXES.items():
-            if name not in db_indexes:
-                # The index does not yet exist.
-                self._soledad.create_index(name, *expression)
-                continue
-            if expression == db_indexes[name]:
-                # The index exists and is up to date.
-                continue
-            # The index exists but the definition is not what expected, so we
-            # delete it and add the proper index expression.
-            self._soledad.delete_index(name)
-            self._soledad.create_index(name, *expression)
-
-    @abstractmethod
-    def get_key(self, address, private=False):
-        """
-        Get key from local storage.
-
-        :param address: The address bound to the key.
-        :type address: str
-        :param private: Look for a private key instead of a public one?
-        :type private: bool
-
-        :return: The key bound to C{address}.
-        :rtype: EncryptionKey
-        @raise KeyNotFound: If the key was not found on local storage.
-        """
-        pass
-
-    @abstractmethod
-    def put_key(self, key):
-        """
-        Put a key in local storage.
-
-        :param key: The key to be stored.
-        :type key: EncryptionKey
-        """
-        pass
-
-    @abstractmethod
-    def gen_key(self, address):
-        """
-        Generate a new key.
-
-        :param address: The address bound to the key.
-        :type address: str
-
-        :return: The key bound to C{address}.
-        :rtype: EncryptionKey
-        """
-        pass
-
-    @abstractmethod
-    def delete_key(self, key):
-        """
-        Remove C{key} from storage.
-
-        :param key: The key to be removed.
-        :type key: EncryptionKey
-        """
-        pass