diff options
Diffstat (limited to 'src/leap/bitmask/services/soledad')
| -rw-r--r-- | src/leap/bitmask/services/soledad/soledadbootstrapper.py | 343 |
1 files changed, 264 insertions, 79 deletions
diff --git a/src/leap/bitmask/services/soledad/soledadbootstrapper.py b/src/leap/bitmask/services/soledad/soledadbootstrapper.py index d078ae96..ad5ee4d0 100644 --- a/src/leap/bitmask/services/soledad/soledadbootstrapper.py +++ b/src/leap/bitmask/services/soledad/soledadbootstrapper.py @@ -23,12 +23,13 @@ import socket import sys from ssl import SSLError +from sqlite3 import ProgrammingError as sqlite_ProgrammingError from PySide import QtCore from u1db import errors as u1db_errors +from twisted.internet import threads from zope.proxy import sameProxiedObjects - -from twisted.internet.threads import deferToThread +from pysqlcipher.dbapi2 import ProgrammingError as sqlcipher_ProgrammingError from leap.bitmask.config import flags from leap.bitmask.config.providerconfig import ProviderConfig @@ -36,21 +37,56 @@ from leap.bitmask.crypto.srpauth import SRPAuth from leap.bitmask.services import download_service_config from leap.bitmask.services.abstractbootstrapper import AbstractBootstrapper from leap.bitmask.services.soledad.soledadconfig import SoledadConfig -from leap.bitmask.util import is_file, is_empty_file +from leap.bitmask.util import first, is_file, is_empty_file, make_address from leap.bitmask.util import get_path_prefix from leap.bitmask.platform_init import IS_WIN from leap.common.check import leap_assert, leap_assert_type, leap_check from leap.common.files import which from leap.keymanager import KeyManager, openpgp from leap.keymanager.errors import KeyNotFound +from leap.soledad.common.errors import InvalidAuthTokenError from leap.soledad.client import Soledad, BootstrapSequenceError logger = logging.getLogger(__name__) +""" +These mocks are replicated from imap tests and the repair utility. +They are needed for the moment to knock out the remote capabilities of soledad +during the use of the offline mode. + +They should not be needed after we allow a null remote initialization in the +soledad client, and a switch to remote sync-able mode during runtime. +""" + + +class Mock(object): + """ + A generic simple mock class + """ + def __init__(self, return_value=None): + self._return = return_value + + def __call__(self, *args, **kwargs): + return self._return + + +class MockSharedDB(object): + """ + Mocked SharedDB object to replace in soledad before + instantiating it in offline mode. + """ + get_doc = Mock() + put_doc = Mock() + lock = Mock(return_value=('atoken', 300)) + unlock = Mock(return_value=True) + + def __call__(self): + return self # TODO these exceptions could be moved to soledad itself # after settling this down. + class SoledadSyncError(Exception): message = "Error while syncing Soledad" @@ -59,9 +95,36 @@ class SoledadInitError(Exception): message = "Error while initializing Soledad" +def get_db_paths(uuid): + """ + Return the secrets and local db paths needed for soledad + initialization + + :param uuid: uuid for user + :type uuid: str + + :return: a tuple with secrets, local_db paths + :rtype: tuple + """ + prefix = os.path.join(get_path_prefix(), "leap", "soledad") + secrets = "%s/%s.secret" % (prefix, uuid) + local_db = "%s/%s.db" % (prefix, uuid) + + # We remove an empty file if found to avoid complains + # about the db not being properly initialized + if is_file(local_db) and is_empty_file(local_db): + try: + os.remove(local_db) + except OSError: + logger.warning( + "Could not remove empty file %s" + % local_db) + return secrets, local_db + + class SoledadBootstrapper(AbstractBootstrapper): """ - Soledad init procedure + Soledad init procedure. """ SOLEDAD_KEY = "soledad" KEYMANAGER_KEY = "keymanager" @@ -75,7 +138,9 @@ class SoledadBootstrapper(AbstractBootstrapper): # {"passed": bool, "error": str} download_config = QtCore.Signal(dict) gen_key = QtCore.Signal(dict) + local_only_ready = QtCore.Signal(dict) soledad_timeout = QtCore.Signal() + soledad_invalid_auth_token = QtCore.Signal() soledad_failed = QtCore.Signal() def __init__(self): @@ -88,6 +153,9 @@ class SoledadBootstrapper(AbstractBootstrapper): self._user = "" self._password = "" + self._address = "" + self._uuid = "" + self._srpauth = None self._soledad = None @@ -103,6 +171,8 @@ class SoledadBootstrapper(AbstractBootstrapper): @property def srpauth(self): + if flags.OFFLINE is True: + return None leap_assert(self._provider_config is not None, "We need a provider config") return SRPAuth(self._provider_config) @@ -114,7 +184,7 @@ class SoledadBootstrapper(AbstractBootstrapper): def should_retry_initialization(self): """ - Returns True if we should retry the initialization. + Return True if we should retry the initialization. """ logger.debug("current retries: %s, max retries: %s" % ( self._soledad_retries, @@ -123,72 +193,100 @@ class SoledadBootstrapper(AbstractBootstrapper): def increment_retries_count(self): """ - Increments the count of initialization retries. + Increment the count of initialization retries. """ self._soledad_retries += 1 - def _get_db_paths(self, uuid): + # initialization + + def load_offline_soledad(self, username, password, uuid): + """ + Instantiate Soledad for offline use. + + :param username: full user id (user@provider) + :type username: basestring + :param password: the soledad passphrase + :type password: unicode + :param uuid: the user uuid + :type uuid: basestring """ - Returns the secrets and local db paths needed for soledad - initialization + print "UUID ", uuid + self._address = username + self._uuid = uuid + return self.load_and_sync_soledad(uuid, offline=True) - :param uuid: uuid for user - :type uuid: str + def _get_soledad_local_params(self, uuid, offline=False): + """ + Return the locals parameters needed for the soledad initialization. - :return: a tuple with secrets, local_db paths + :param uuid: the uuid of the user, used in offline mode. + :type uuid: unicode, or None. + :return: secrets_path, local_db_path, token :rtype: tuple """ - prefix = os.path.join(get_path_prefix(), "leap", "soledad") - secrets = "%s/%s.secret" % (prefix, uuid) - local_db = "%s/%s.db" % (prefix, uuid) + # in the future, when we want to be able to switch to + # online mode, this should be a proxy object too. + # Same for server_url below. - # We remove an empty file if found to avoid complains - # about the db not being properly initialized - if is_file(local_db) and is_empty_file(local_db): - try: - os.remove(local_db) - except OSError: - logger.warning("Could not remove empty file %s" - % local_db) - return secrets, local_db + if offline is False: + token = self.srpauth.get_token() + else: + token = "" - # initialization + secrets_path, local_db_path = get_db_paths(uuid) + + logger.debug('secrets_path:%s' % (secrets_path,)) + logger.debug('local_db:%s' % (local_db_path,)) + return (secrets_path, local_db_path, token) - def load_and_sync_soledad(self): + def _get_soledad_server_params(self, uuid, offline): """ - Once everthing is in the right place, we instantiate and sync - Soledad + Return the remote parameters needed for the soledad initialization. + + :param uuid: the uuid of the user, used in offline mode. + :type uuid: unicode, or None. + :return: server_url, cert_file + :rtype: tuple """ - # TODO this method is still too large - uuid = self.srpauth.get_uid() - token = self.srpauth.get_token() + if uuid is None: + uuid = self.srpauth.get_uuid() - secrets_path, local_db_path = self._get_db_paths(uuid) + if offline is True: + server_url = "http://localhost:9999/" + cert_file = "" + else: + server_url = self._pick_server(uuid) + cert_file = self._provider_config.get_ca_cert_path() - # TODO: Select server based on timezone (issue #3308) - server_dict = self._soledad_config.get_hosts() + return server_url, cert_file - if not server_dict.keys(): - # XXX raise more specific exception, and catch it properly! - raise Exception("No soledad server found") + def _soledad_sync_errback(self, failure): + failure.trap(InvalidAuthTokenError) + # in the case of an invalid token we have already turned off mail and + # warned the user in _do_soledad_sync() - selected_server = server_dict[server_dict.keys()[0]] - server_url = "https://%s:%s/user-%s" % ( - selected_server["hostname"], - selected_server["port"], - uuid) - logger.debug("Using soledad server url: %s" % (server_url,)) - cert_file = self._provider_config.get_ca_cert_path() + def load_and_sync_soledad(self, uuid=None, offline=False): + """ + Once everthing is in the right place, we instantiate and sync + Soledad + + :param uuid: the uuid of the user, used in offline mode. + :type uuid: unicode, or None. + :param offline: whether to instantiate soledad for offline use. + :type offline: bool + """ + local_param = self._get_soledad_local_params(uuid, offline) + remote_param = self._get_soledad_server_params(uuid, offline) - logger.debug('local_db:%s' % (local_db_path,)) - logger.debug('secrets_path:%s' % (secrets_path,)) + secrets_path, local_db_path, token = local_param + server_url, cert_file = remote_param try: self._try_soledad_init( uuid, secrets_path, local_db_path, server_url, cert_file, token) - except: + except Exception: # re-raise the exceptions from try_init, # we're currently handling the retries from the # soledad-launcher in the gui. @@ -196,11 +294,52 @@ class SoledadBootstrapper(AbstractBootstrapper): leap_assert(not sameProxiedObjects(self._soledad, None), "Null soledad, error while initializing") - self._do_soledad_sync() + + if flags.OFFLINE is True: + self._init_keymanager(self._address, token) + self.local_only_ready.emit({self.PASSED_KEY: True}) + else: + try: + address = make_address( + self._user, self._provider_config.get_domain()) + self._init_keymanager(address, token) + self._keymanager.get_key( + address, openpgp.OpenPGPKey, + private=True, fetch_remote=False) + d = threads.deferToThread(self._do_soledad_sync) + d.addErrback(self._soledad_sync_errback) + except KeyNotFound: + logger.debug("Key not found. Generating key for %s" % + (address,)) + self._do_soledad_sync() + + def _pick_server(self, uuid): + """ + Choose a soledad server to sync against. + + :param uuid: the uuid for the user. + :type uuid: unicode + :returns: the server url + :rtype: unicode + """ + # TODO: Select server based on timezone (issue #3308) + server_dict = self._soledad_config.get_hosts() + + if not server_dict.keys(): + # XXX raise more specific exception, and catch it properly! + raise Exception("No soledad server found") + + selected_server = server_dict[first(server_dict.keys())] + server_url = "https://%s:%s/user-%s" % ( + selected_server["hostname"], + selected_server["port"], + uuid) + logger.debug("Using soledad server url: %s" % (server_url,)) + return server_url def _do_soledad_sync(self): """ - Does several retries to get an initial soledad sync. + Do several retries to get an initial soledad sync. """ # and now, let's sync sync_tries = self.MAX_SYNC_RETRIES @@ -220,6 +359,13 @@ class SoledadBootstrapper(AbstractBootstrapper): # ubuntu folks. sync_tries -= 1 continue + except InvalidAuthTokenError: + self.soledad_invalid_auth_token.emit() + raise + except Exception as e: + logger.exception("Unhandled error while syncing " + "soledad: %r" % (e,)) + break # reached bottom, failed to sync # and there's nothing we can do... @@ -229,7 +375,7 @@ class SoledadBootstrapper(AbstractBootstrapper): def _try_soledad_init(self, uuid, secrets_path, local_db_path, server_url, cert_file, auth_token): """ - Tries to initialize soledad. + Try to initialize soledad. :param uuid: user identifier :param secrets_path: path to secrets file @@ -245,6 +391,10 @@ class SoledadBootstrapper(AbstractBootstrapper): # TODO: If selected server fails, retry with another host # (issue #3309) encoding = sys.getfilesystemencoding() + + # XXX We should get a flag in soledad itself + if flags.OFFLINE is True: + Soledad._shared_db = MockSharedDB() try: self._soledad = Soledad( uuid, @@ -279,7 +429,7 @@ class SoledadBootstrapper(AbstractBootstrapper): self.soledad_failed.emit() raise except u1db_errors.HTTPError as exc: - logger.exception("Error whie initializing soledad " + logger.exception("Error while initializing soledad " "(HTTPError)") self.soledad_failed.emit() raise @@ -291,7 +441,7 @@ class SoledadBootstrapper(AbstractBootstrapper): def _try_soledad_sync(self): """ - Tries to sync soledad. + Try to sync soledad. Raises SoledadSyncError if not successful. """ try: @@ -300,6 +450,16 @@ class SoledadBootstrapper(AbstractBootstrapper): except SSLError as exc: logger.error("%r" % (exc,)) raise SoledadSyncError("Failed to sync soledad") + except u1db_errors.InvalidGeneration as exc: + logger.error("%r" % (exc,)) + raise SoledadSyncError("u1db: InvalidGeneration") + except (sqlite_ProgrammingError, sqlcipher_ProgrammingError) as e: + logger.exception("%r" % (e,)) + raise + except InvalidAuthTokenError: + # token is invalid, probably expired + logger.error('Invalid auth token while trying to sync Soledad') + raise except Exception as exc: logger.exception("Unhandled error while syncing " "soledad: %r" % (exc,)) @@ -307,7 +467,7 @@ class SoledadBootstrapper(AbstractBootstrapper): def _download_config(self): """ - Downloads the Soledad config for the given provider + Download the Soledad config for the given provider """ leap_assert(self._provider_config, @@ -326,11 +486,14 @@ class SoledadBootstrapper(AbstractBootstrapper): # XXX but honestly, this is a pretty strange entry point for that. # it feels like it should be the other way around: # load_and_sync, and from there, if needed, call download_config - self.load_and_sync_soledad() + + uuid = self.srpauth.get_uuid() + self.load_and_sync_soledad(uuid) def _get_gpg_bin_path(self): """ - Returns the path to gpg binary. + Return the path to gpg binary. + :returns: the gpg binary path :rtype: str """ @@ -356,40 +519,62 @@ class SoledadBootstrapper(AbstractBootstrapper): leap_check(gpgbin is not None, "Could not find gpg binary") return gpgbin - def _init_keymanager(self, address): + def _init_keymanager(self, address, token): """ - Initializes the keymanager. + Initialize the keymanager. + :param address: the address to initialize the keymanager with. :type address: str + :param token: the auth token for accessing webapp. + :type token: str """ srp_auth = self.srpauth logger.debug('initializing keymanager...') - try: - self._keymanager = KeyManager( + + if flags.OFFLINE is True: + args = (address, "https://localhost", self._soledad) + kwargs = { + "ca_cert_path": "", + "api_uri": "", + "api_version": "", + "uid": self._uuid, + "gpgbinary": self._get_gpg_bin_path() + } + else: + args = ( address, "https://nicknym.%s:6425" % ( self._provider_config.get_domain(),), - self._soledad, - #token=srp_auth.get_token(), # TODO: enable token usage - session_id=srp_auth.get_session_id(), - ca_cert_path=self._provider_config.get_ca_cert_path(), - api_uri=self._provider_config.get_api_uri(), - api_version=self._provider_config.get_api_version(), - uid=srp_auth.get_uid(), - gpgbinary=self._get_gpg_bin_path()) + self._soledad + ) + kwargs = { + "token": token, + "ca_cert_path": self._provider_config.get_ca_cert_path(), + "api_uri": self._provider_config.get_api_uri(), + "api_version": self._provider_config.get_api_version(), + "uid": srp_auth.get_uuid(), + "gpgbinary": self._get_gpg_bin_path() + } + try: + self._keymanager = KeyManager(*args, **kwargs) + except KeyNotFound: + logger.debug('key for %s not found.' % address) except Exception as exc: logger.exception(exc) raise - logger.debug('sending key to server...') - - # make sure key is in server - try: - self._keymanager.send_key(openpgp.OpenPGPKey) - except Exception as exc: - logger.error("Error sending key to server.") - logger.exception(exc) - # but we do not raise + if flags.OFFLINE is False: + # make sure key is in server + logger.debug('Trying to send key to server...') + try: + self._keymanager.send_key(openpgp.OpenPGPKey) + except KeyNotFound: + logger.debug('No key found for %s, will generate soon.' + % address) + except Exception as exc: + logger.error("Error sending key to server.") + logger.exception(exc) + # but we do not raise def _gen_key(self, _): """ @@ -401,8 +586,8 @@ class SoledadBootstrapper(AbstractBootstrapper): leap_assert(self._soledad is not None, "We need a non-null soledad to generate keys") - address = "%s@%s" % (self._user, self._provider_config.get_domain()) - self._init_keymanager(address) + address = make_address( + self._user, self._provider_config.get_domain()) logger.debug("Retrieving key for %s" % (address,)) try: @@ -462,4 +647,4 @@ class SoledadBootstrapper(AbstractBootstrapper): (self._gen_key, self.gen_key) ] - self.addCallbackChain(cb_chain) + return self.addCallbackChain(cb_chain) |