From 418e221c04ed163fac3711882087c18fbd028349 Mon Sep 17 00:00:00 2001 From: Ruben Pollan Date: Thu, 4 Dec 2014 11:17:36 -0600 Subject: Use the new keymanager async API --- src/leap/bitmask/backend/components.py | 85 +++++---------- .../services/soledad/soledadbootstrapper.py | 117 ++++++++++++--------- 2 files changed, 95 insertions(+), 107 deletions(-) diff --git a/src/leap/bitmask/backend/components.py b/src/leap/bitmask/backend/components.py index 4b63af84..2523faea 100644 --- a/src/leap/bitmask/backend/components.py +++ b/src/leap/bitmask/backend/components.py @@ -906,52 +906,6 @@ class Keymanager(object): # NOTE: This feature is disabled right now since is dangerous return - new_key = '' - signal = None - try: - with open(filename, 'r') as keys_file: - new_key = keys_file.read() - except IOError as e: - logger.error("IOError importing key. {0!r}".format(e)) - signal = self._signaler.keymanager_import_ioerror - self._signaler.signal(signal) - return - - keymanager = self._keymanager_proxy - try: - # NOTE: parse_openpgp_ascii_key is not in keymanager anymore - # the API for that will need some thinking - public_key, private_key = keymanager.parse_openpgp_ascii_key( - new_key) - except (KeyAddressMismatch, KeyFingerprintMismatch) as e: - logger.error(repr(e)) - signal = self._signaler.keymanager_import_datamismatch - self._signaler.signal(signal) - return - - if public_key is None or private_key is None: - signal = self._signaler.keymanager_import_missingkey - self._signaler.signal(signal) - return - - current_public_key = keymanager.get_key(username, openpgp.OpenPGPKey) - if public_key.address != current_public_key.address: - logger.error("The key does not match the ID") - signal = self._signaler.keymanager_import_addressmismatch - self._signaler.signal(signal) - return - - keymanager.delete_key(self._key) - keymanager.delete_key(self._key_priv) - keymanager.put_key(public_key) - keymanager.put_key(private_key) - keymanager.send_key(openpgp.OpenPGPKey) - - logger.debug('Import ok') - signal = self._signaler.keymanager_import_ok - - self._signaler.signal(signal) - def export_keys(self, username, filename): """ Export the given username's keys to a file. @@ -963,35 +917,50 @@ class Keymanager(object): """ keymanager = self._keymanager_proxy - public_key = keymanager.get_key(username, openpgp.OpenPGPKey) - private_key = keymanager.get_key(username, openpgp.OpenPGPKey, - private=True) - try: + def export(keys): + public_key, private_key = keys + # XXX: This is blocking. We could use writeToFD, but is POSIX only + # https://twistedmatrix.com/documents/current/api/twisted.internet.fdesc.html#writeToFD with open(filename, 'w') as keys_file: keys_file.write(public_key.key_data) keys_file.write(private_key.key_data) logger.debug('Export ok') self._signaler.signal(self._signaler.keymanager_export_ok) - except IOError as e: - logger.error("IOError exporting key. {0!r}".format(e)) + + def log_error(failure): + logger.error( + "Error exporting key. {0!r}".format(failure.value)) self._signaler.signal(self._signaler.keymanager_export_error) + dpub = keymanager.get_key(username, openpgp.OpenPGPKey) + dpriv = keymanager.get_key(username, openpgp.OpenPGPKey, + private=True) + d = defer.gatherResults([dpub, dpriv]) + d.addCallback(export) + d.addErrback(log_error) + def list_keys(self): """ List all the keys stored in the local DB. """ - keys = self._keymanager_proxy.get_all_keys() - self._signaler.signal(self._signaler.keymanager_keys_list, keys) + d = self._keymanager_proxy.get_all_keys() + d.addCallback( + lambda keys: + self._signaler.signal(self._signaler.keymanager_keys_list, keys)) def get_key_details(self, username): """ List all the keys stored in the local DB. """ - public_key = self._keymanager_proxy.get_key(username, - openpgp.OpenPGPKey) - details = (public_key.key_id, public_key.fingerprint) - self._signaler.signal(self._signaler.keymanager_key_details, details) + def signal_details(public_key): + details = (public_key.key_id, public_key.fingerprint) + self._signaler.signal(self._signaler.keymanager_key_details, + details) + + d = self._keymanager_proxy.get_key(username, + openpgp.OpenPGPKey) + d.addCallback(signal_details) class Mail(object): diff --git a/src/leap/bitmask/services/soledad/soledadbootstrapper.py b/src/leap/bitmask/services/soledad/soledadbootstrapper.py index 2044a27c..ac7ca836 100644 --- a/src/leap/bitmask/services/soledad/soledadbootstrapper.py +++ b/src/leap/bitmask/services/soledad/soledadbootstrapper.py @@ -27,7 +27,7 @@ from ssl import SSLError from sqlite3 import ProgrammingError as sqlite_ProgrammingError from u1db import errors as u1db_errors -from twisted.internet import threads +from twisted.internet import threads, defer from zope.proxy import sameProxiedObjects from pysqlcipher.dbapi2 import ProgrammingError as sqlcipher_ProgrammingError @@ -317,19 +317,26 @@ class SoledadBootstrapper(AbstractBootstrapper): if flags.OFFLINE: self._init_keymanager(self._address, token) else: - try: - address = make_address( - self._user, self._provider_config.get_domain()) - self._init_keymanager(address, token) - self._keymanager.get_key( + address = make_address( + self._user, self._provider_config.get_domain()) + + def key_not_found(failure): + if failure.check(KeyNotFound): + logger.debug("Key not found. Generating key for %s" % + (address,)) + self._do_soledad_sync() + else: + return failure + + d = self._init_keymanager(address, token) + d.addCallback( + lambda _: 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() + private=True, fetch_remote=False)) + d.addCallbacks( + lambda _: threads.deferToThread(self._do_soledad_sync), + key_not_found) + d.addErrback(self._soledad_sync_errback) def _pick_server(self, uuid): """ @@ -537,6 +544,7 @@ class SoledadBootstrapper(AbstractBootstrapper): :type address: str :param token: the auth token for accessing webapp. :type token: str + :rtype: Deferred """ srp_auth = self.srpauth logger.debug('initializing keymanager...') @@ -576,20 +584,27 @@ class SoledadBootstrapper(AbstractBootstrapper): 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 send_errback(failure): + if failure.check(KeyNotFound): + logger.debug('No key found for %s, will generate soon.' + % address) + else: + logger.error("Error sending key to server.") + logger.exception(failure.value) + # but we do not raise + + d = self._keymanager.send_key(openpgp.OpenPGPKey) + d.addErrback(send_errback) + return d + else: + return defer.succeed(None) def _gen_key(self): """ Generates the key pair if needed, uploads it to the webapp and nickserver + :rtype: Deferred """ leap_assert(self._provider_config is not None, "We need a provider configuration!") @@ -600,30 +615,33 @@ class SoledadBootstrapper(AbstractBootstrapper): self._user, self._provider_config.get_domain()) logger.debug("Retrieving key for %s" % (address,)) - try: - self._keymanager.get_key( - address, openpgp.OpenPGPKey, private=True, fetch_remote=False) - return - except KeyNotFound: - logger.debug("Key not found. Generating key for %s" % (address,)) - - # generate key - try: - self._keymanager.gen_key(openpgp.OpenPGPKey) - except Exception as exc: - logger.error("Error while generating key!") - logger.exception(exc) - raise - - # send key - try: - self._keymanager.send_key(openpgp.OpenPGPKey) - except Exception as exc: - logger.error("Error while sending key!") - logger.exception(exc) - raise - - logger.debug("Key generated successfully.") + def if_not_found_generate(failure): + if failure.check(KeyNotFound): + logger.debug("Key not found. Generating key for %s" + % (address,)) + d = self._keymanager.gen_key(openpgp.OpenPGPKey) + d.addCallbacks(send_key, log_key_error("generating")) + return d + else: + return failure + + def send_key(_): + d = self._keymanager.send_key(openpgp.OpenPGPKey) + d.addCallbacks( + lambda _: logger.debug("Key generated successfully."), + log_key_error("sending")) + + def log_key_error(step): + def log_err(failure): + logger.error("Error while %s key!", (step,)) + logger.exception(failure.value) + return failure + return log_err + + d = self._keymanager.get_key( + address, openpgp.OpenPGPKey, private=True, fetch_remote=False) + d.addErrback(if_not_found_generate) + return d def run_soledad_setup_checks(self, provider_config, user, password, download_if_needed=False): @@ -664,9 +682,10 @@ class SoledadBootstrapper(AbstractBootstrapper): self.load_and_sync_soledad(uuid) if not flags.OFFLINE: - self._gen_key() - - self._signaler.signal(signal_finished) + d = self._gen_key() + d.addCallback(lambda _: self._signaler.signal(signal_finished)) + else: + self._signaler.signal(signal_finished) except Exception as e: # TODO: we should handle more specific exceptions in here self._soledad = None -- cgit v1.2.3