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Commit 245be413 authored by Philipp Hörist's avatar Philipp Hörist
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[omemo] Improve logging

parent 1ca474e7
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omemo/backend/devices.py
View file @ 245be413
......@@ -14,15 +14,12 @@
# You should have received a copy of the GNU General Public License
# along with OMEMO Gajim Plugin. If not, see <http://www.gnu.org/licenses/>.
import logging
from collections import defaultdict
from gajim.common import app
from omemo.backend.util import UNACKNOWLEDGED_COUNT
log = logging.getLogger('gajim.plugin_system.omemo')
class DeviceManager:
def __init__(self):
......@@ -34,10 +31,10 @@ class DeviceManager:
raise ValueError('No own device found')
self.__own_device = (reg_id % 2147483646) + 1
self.add_device(self._own_jid, self.__own_device)
log.info('Our device id: %s', self.__own_device)
self._log.info('Our device id: %s', self.__own_device)
for jid, device in self._storage.getActiveDeviceTuples():
log.info('Load device from storage: %s - %s', jid, device)
self._log.info('Load device from storage: %s - %s', jid, device)
self.add_device(jid, device)
def update_devicelist(self, jid, devicelist):
......@@ -46,20 +43,20 @@ class DeviceManager:
continue
count = self._storage.getUnacknowledgedCount(jid, device)
if count > UNACKNOWLEDGED_COUNT:
log.warning('Ignore device because of %s unacknowledged'
' messages: %s %s', count, jid, device)
self._log.warning('Ignore device because of %s unacknowledged'
' messages: %s %s', count, jid, device)
devicelist.remove(device)
self.__device_store[jid] = set(devicelist)
log.info('Saved devices for %s', jid)
self._log.info('Saved devices for %s', jid)
self._storage.setActiveState(jid, devicelist)
def add_muc_member(self, room_jid, jid):
log.info('Saved MUC member %s %s', room_jid, jid)
self._log.info('Saved MUC member %s %s', room_jid, jid)
self.__muc_member_store[room_jid].add(jid)
def remove_muc_member(self, room_jid, jid):
log.info('Removed MUC member %s %s', room_jid, jid)
self._log.info('Removed MUC member %s %s', room_jid, jid)
self.__muc_member_store[room_jid].discard(jid)
def get_muc_members(self, room_jid, without_self=True):
......
omemo/backend/liteaxolotlstore.py
View file @ 245be413
......@@ -16,7 +16,6 @@
# along with OMEMO Gajim Plugin. If not, see <http://www.gnu.org/licenses/>.
import time
import logging
import sqlite3
from collections import namedtuple
......@@ -36,9 +35,6 @@ from omemo.backend.util import IdentityKeyExtended
from omemo.backend.util import DEFAULT_PREKEY_AMOUNT
log = logging.getLogger('gajim.plugin_system.omemo')
def _convert_to_string(text):
return text.decode()
......@@ -59,7 +55,8 @@ sqlite3.register_converter('session_record', _convert_record)
class LiteAxolotlStore(AxolotlStore):
def __init__(self, db_path):
def __init__(self, db_path, log):
self._log = log
self._con = sqlite3.connect(db_path,
detect_types=sqlite3.PARSE_COLNAMES)
self._con.text_factory = bytes
......@@ -77,7 +74,7 @@ class LiteAxolotlStore(AxolotlStore):
self._con.commit()
if not self.getLocalRegistrationId():
log.info("Generating OMEMO keys")
self._log.info("Generating OMEMO keys")
self._generate_axolotl_keys()
@staticmethod
......@@ -318,7 +315,7 @@ class LiteAxolotlStore(AxolotlStore):
return result is not None
def deleteSession(self, recipientId, deviceId):
log.info('Delete session for %s %s', recipientId, deviceId)
self._log.info('Delete session for %s %s', recipientId, deviceId)
query = "DELETE FROM sessions WHERE recipient_id = ? AND device_id = ?"
self._con.execute(query, (recipientId, deviceId))
self._con.commit()
......@@ -551,7 +548,7 @@ class LiteAxolotlStore(AxolotlStore):
def setIdentityLastSeen(self, recipient_id, identity_key):
timestamp = int(time.time())
identity_key = identity_key.getPublicKey().serialize()
log.info('Set last seen for %s %s', recipient_id, timestamp)
self._log.info('Set last seen for %s %s', recipient_id, timestamp)
query = '''UPDATE identities SET timestamp = ?
WHERE recipient_id = ? AND public_key = ?'''
self._con.execute(query, (timestamp, recipient_id, identity_key))
......
omemo/backend/state.py
View file @ 245be413
......@@ -15,7 +15,6 @@
# You should have received a copy of the GNU General Public License
# along with OMEMO Gajim Plugin. If not, see <http://www.gnu.org/licenses/>.
import logging
import time
from collections import defaultdict
......@@ -48,23 +47,20 @@ from omemo.backend.util import SPK_ARCHIVE_TIME
from omemo.backend.util import UNACKNOWLEDGED_COUNT
log = logging.getLogger('gajim.plugin_system.omemo')
class OmemoState(DeviceManager):
def __init__(self, own_jid, db_path, account, xmpp_con):
self._account = account
self._own_jid = own_jid
self._log = xmpp_con._log
self._session_ciphers = defaultdict(dict)
self._storage = LiteAxolotlStore(db_path)
self._storage = LiteAxolotlStore(db_path, self._log)
DeviceManager.__init__(self)
self.xmpp_con = xmpp_con
log.info('%s => %s PreKeys available',
self._account,
self._storage.getPreKeyCount())
self._log.info('%s PreKeys available',
self._storage.getPreKeyCount())
def build_session(self, jid, device_id, bundle):
session = SessionBuilder(self._storage, self._storage, self._storage,
......@@ -122,13 +118,13 @@ class OmemoState(DeviceManager):
def decrypt_message(self, omemo_message, jid):
if omemo_message.sid == self.own_device:
log.info('Received previously sent message by us')
self._log.info('Received previously sent message by us')
raise SelfMessage
try:
encrypted_key, prekey = omemo_message.keys[self.own_device]
except KeyError:
log.info('Received message not for our device')
self._log.info('Received message not for our device')
raise MessageNotForDevice
try:
......@@ -140,23 +136,23 @@ class OmemoState(DeviceManager):
jid, omemo_message.sid, encrypted_key)
except SenderNotTrusted:
log.info('Sender not trusted, ignore message')
self._log.info('Sender not trusted, ignore message')
raise
except DuplicateMessageException:
log.info('Received duplicated message')
self._log.info('Received duplicated message')
raise DuplicateMessage
except Exception as error:
log.warning(error)
self._log.warning(error)
raise DecryptionFailed
if omemo_message.payload is None:
log.debug("Decrypted Key Exchange Message")
self._log.debug("Decrypted Key Exchange Message")
raise KeyExchangeMessage
result = aes_decrypt(key, omemo_message.iv, omemo_message.payload)
log.debug("Decrypted Message => %s", result)
self._log.debug("Decrypted Message => %s", result)
return result, fingerprint
def _get_whisper_message(self, jid, device, key):
......@@ -169,7 +165,7 @@ class OmemoState(DeviceManager):
try:
devices_for_encryption = self.get_devices_for_encryption(jid)
except NoDevicesFound:
log.warning('No devices for encryption found for: %s', jid)
self._log.warning('No devices for encryption found for: %s', jid)
return
result = aes_encrypt(plaintext)
......@@ -178,29 +174,29 @@ class OmemoState(DeviceManager):
for jid_, device in devices_for_encryption:
count = self._storage.getUnacknowledgedCount(jid_, device)
if count >= UNACKNOWLEDGED_COUNT:
log.warning('Set device inactive %s because of %s '
'unacknowledged messages', device, count)
self._log.warning('Set device inactive %s because of %s '
'unacknowledged messages', device, count)
self.remove_device(jid_, device)
try:
whisper_messages[jid_][device] = self._get_whisper_message(
jid_, device, result.key)
except Exception:
log.exception('Failed to encrypt')
self._log.exception('Failed to encrypt')
continue
recipients = set(whisper_messages.keys())
if jid != self._own_jid:
recipients -= set([self._own_jid])
if not recipients:
log.error('Encrypted keys empty')
self._log.error('Encrypted keys empty')
return
encrypted_keys = {}
for jid_ in whisper_messages:
encrypted_keys.update(whisper_messages[jid_])
log.debug('Finished encrypting message')
self._log.debug('Finished encrypting message')
return OMEMOMessage(sid=self.own_device,
keys=encrypted_keys,
iv=result.iv,
......@@ -213,14 +209,14 @@ class OmemoState(DeviceManager):
whisper_messages[jid][device] = self._get_whisper_message(
jid, device, get_new_key())
except Exception:
log.exception('Failed to encrypt')
self._log.exception('Failed to encrypt')
continue
if not whisper_messages[jid]:
log.error('Encrypted keys empty')
self._log.error('Encrypted keys empty')
return
log.debug('Finished Key Transport message')
self._log.debug('Finished Key Transport message')
return OMEMOMessage(sid=self.own_device,
keys=whisper_messages[jid],
iv=get_new_iv(),
......@@ -237,8 +233,8 @@ class OmemoState(DeviceManager):
for dev in known_devices
if not self._storage.containsSession(jid, dev)]
if missing_devices:
log.info('%s => Missing device sessions for %s: %s',
self._account, jid, missing_devices)
self._log.info('Missing device sessions for %s: %s',
jid, missing_devices)
return missing_devices
def _get_session_cipher(self, jid, device_id):
......@@ -262,8 +258,7 @@ class OmemoState(DeviceManager):
session_cipher = self._get_session_cipher(jid, device)
log.info('%s => Process pre key message from %s',
self._account, jid)
self._log.info('Process pre key message from %s', jid)
key = session_cipher.decryptPkmsg(pre_key_message)
fingerprint = get_fingerprint(identity_key)
......@@ -275,7 +270,7 @@ class OmemoState(DeviceManager):
def _process_message(self, jid, device, key):
message = WhisperMessage(serialized=key)
log.info('%s => Process message from %s', self._account, jid)
self._log.info('Process message from %s', jid)
session_cipher = self._get_session_cipher(jid, device)
key = session_cipher.decryptMsg(message, textMsg=False)
......@@ -299,7 +294,7 @@ class OmemoState(DeviceManager):
if pre_key_count < MIN_PREKEY_AMOUNT:
missing_count = DEFAULT_PREKEY_AMOUNT - pre_key_count
self._storage.generateNewPreKeys(missing_count)
log.info('%s => %s PreKeys created', self._account, missing_count)
self._log.info('%s PreKeys created', missing_count)
def _cycle_signed_pre_key(self, ik_pair):
# Publish every SPK_CYCLE_TIME a new SignedPreKey
......@@ -311,8 +306,7 @@ class OmemoState(DeviceManager):
spk = KeyHelper.generateSignedPreKey(
ik_pair, self._storage.getNextSignedPreKeyId())
self._storage.storeSignedPreKey(spk.getId(), spk)
log.debug('%s => New SignedPreKey created, because none existed',
self._account)
self._log.debug('New SignedPreKey created, because none existed')
# if SPK_CYCLE_TIME is reached, generate a new SignedPreKey
now = int(time.time())
......@@ -323,7 +317,7 @@ class OmemoState(DeviceManager):
spk = KeyHelper.generateSignedPreKey(
ik_pair, self._storage.getNextSignedPreKeyId())
self._storage.storeSignedPreKey(spk.getId(), spk)
log.debug('%s => Cycled SignedPreKey', self._account)
self._log.debug('Cycled SignedPreKey')
# Delete all SignedPreKeys that are older than SPK_ARCHIVE_TIME
timestamp = now - SPK_ARCHIVE_TIME
......
omemo/backend/util.py
View file @ 245be413
......@@ -16,6 +16,7 @@
import binascii
import textwrap
from logging import LoggerAdapter
from enum import IntEnum
from axolotl.identitykey import IdentityKey
......@@ -53,4 +54,3 @@ class IdentityKeyExtended(IdentityKey):
def get_fingerprint(self, formatted=False):
return get_fingerprint(self, formatted=formatted)
\ No newline at end of file
omemo/modules/omemo.py
View file @ 245be413
......@@ -87,7 +87,7 @@ class OMEMO(BaseModule):
]
def __init__(self, con):
BaseModule.__init__(self, con)
BaseModule.__init__(self, con, log)
self.handlers = [
StanzaHandler(name='message',
......@@ -131,7 +131,7 @@ class OMEMO(BaseModule):
return room_jid in self._omemo_groupchats
def on_signed_in(self):
log.info('%s => Announce Support after Sign In', self._account)
self._log.info('Announce Support after Sign In')
self._query_for_bundles = []
self.set_bundle()
self.request_devicelist()
......@@ -144,8 +144,7 @@ class OMEMO(BaseModule):
helpers.update_optional_features(self._account)
if app.account_is_connected(self._account):
log.info('%s => Announce Support after Plugin Activation',
self._account)
self._log.info('Announce Support after Plugin Activation')
self._query_for_bundles = []
self.set_bundle()
self.request_devicelist()
......@@ -197,11 +196,12 @@ class OMEMO(BaseModule):
def _send_key_transport_message(self, typ, jid, devices):
omemo_message = self.backend.encrypt_key_transport(jid, devices)
if omemo_message is None:
log.warning('Key transport message to %s (%s) failed', jid, devices)
self._log.warning('Key transport message to %s (%s) failed',
jid, devices)
return
transport_message = get_key_transport_message(typ, jid, omemo_message)
log.info('Send key transport message %s (%s)', jid, devices)
self._log.info('Send key transport message %s (%s)', jid, devices)
self._con.connection.send(transport_message)
def _message_received(self, _con, stanza, properties):
......@@ -218,7 +218,7 @@ class OMEMO(BaseModule):
if from_jid is None:
return
log.info('%s => Message received from: %s', self._account, from_jid)
self._log.info('Message received from: %s', from_jid)
try:
plaintext, fingerprint = self.backend.decrypt_message(
......@@ -233,8 +233,7 @@ class OMEMO(BaseModule):
fingerprint = self.backend.own_fingerprint
del self._muc_temp_store[properties.omemo.payload]
else:
log.warning("%s => Can't decrypt own GroupChat Message",
self._account)
self._log.warning("Can't decrypt own GroupChat Message")
return
else:
raise NodeProcessed
......@@ -258,23 +257,20 @@ class OMEMO(BaseModule):
if contact is not None:
return JID(contact.jid).getBare()
log.info('%s => Groupchat: Last resort trying to '
'find SID in DB', self._account)
self._log.info('Groupchat: Last resort trying to find SID in DB')
from_jid = self.backend.storage.getJidFromDevice(properties.omemo.sid)
if not from_jid:
log.error("%s => Can't decrypt GroupChat Message "
"from %s", self._account, resource)
self._log.error("Can't decrypt GroupChat Message from %s", resource)
return
return from_jid
def _process_mam_message(self, properties):
log.info('%s => Message received, archive: %s',
self._account, properties.mam.archive)
self._log.info('Message received, archive: %s', properties.mam.archive)
from_jid = properties.jid.getBare()
if properties.from_muc:
log.info('%s => MUC MAM Message received', self._account)
self._log.info('MUC MAM Message received')
if properties.muc_user.jid is None:
log.info('%s => No real jid found', self._account)
self._log.info('No real jid found')
return
from_jid = properties.muc_user.jid.getBare()
return from_jid
......@@ -304,7 +300,7 @@ class OMEMO(BaseModule):
if room in self._omemo_groupchats:
if not self.is_contact_in_roster(jid):
# Query Devicelists from JIDs not in our Roster
log.info('%s not in Roster, query devicelist...', jid)
self._log.info('%s not in Roster, query devicelist...', jid)
self.request_devicelist(jid)
if properties.is_muc_self_presence:
......@@ -312,7 +308,7 @@ class OMEMO(BaseModule):
# non-anonymous Room (Full JID)
self._omemo_groupchats.add(room)
log.info('OMEMO capable Room found: %s', room)
self._log.info('OMEMO capable Room found: %s', room)
self.get_affiliation_list(room)
def get_affiliation_list(self, room_jid):
......@@ -325,21 +321,21 @@ class OMEMO(BaseModule):
def _on_affiliations_received(self, result, room_jid):
if is_error_result(result):
log.info('Affiliation request failed: %s', result)
self._log.info('Affiliation request failed: %s', result)
return
for user_jid in result.users:
try:
jid = helpers.parse_jid(user_jid)
except helpers.InvalidFormat:
log.warning('Invalid JID: %s, ignoring it', user_jid)
self._log.warning('Invalid JID: %s, ignoring it', user_jid)
continue
self.backend.add_muc_member(room_jid, jid)
if not self.is_contact_in_roster(jid):
# Query Devicelists from JIDs not in our Roster
log.info('%s not in Roster, query devicelist...', jid)
self._log.info('%s not in Roster, query devicelist...', jid)
self.request_devicelist(jid)
def is_contact_in_roster(self, jid):
......@@ -355,7 +351,7 @@ class OMEMO(BaseModule):
status_codes = event.status_codes or []
if StatusCode.CONFIG_NON_ANONYMOUS in status_codes:
self._omemo_groupchats.add(room)
log.info('Room config change: non-anonymous')
self._log.info('Room config change: non-anonymous')
def _check_for_missing_sessions(self, jid):
devices_without_session = self.backend.devices_without_sessions(jid)
......@@ -413,8 +409,7 @@ class OMEMO(BaseModule):
self.backend.own_device)
def request_bundle(self, jid, device_id):
log.info('%s => Fetch device bundle %s %s',
self._account, device_id, jid)
self._log.info('Fetch device bundle %s %s', device_id, jid)
self._nbxmpp('OMEMO').request_bundle(
jid,
......@@ -425,13 +420,12 @@ class OMEMO(BaseModule):
def _bundle_received(self, bundle, user_data):
jid, device_id = user_data
if is_error_result(bundle):
log.info('%s => Bundle request failed: %s %s: %s',
self._account, jid, device_id, bundle)
self._log.info('Bundle request failed: %s %s: %s',
jid, device_id, bundle)
return
self.backend.build_session(jid, device_id, bundle)
log.info('%s => session created for: %s',
self._account, jid)
self._log.info('Session created for: %s', jid)
# TODO: In MUC we should send a groupchat message
self._send_key_transport_message('chat', jid, [device_id])
......@@ -447,8 +441,7 @@ class OMEMO(BaseModule):
devicelist_ = set([self.backend.own_device])
if devicelist is not None:
devicelist_.add(devicelist)
log.info('%s => Publishing own devicelist: %s',
self._account, devicelist_)
self._log.info('Publishing own devicelist: %s', devicelist_)
self._nbxmpp('OMEMO').set_devicelist(devicelist_)
def clear_devicelist(self):
......@@ -470,8 +463,7 @@ class OMEMO(BaseModule):
def _devicelist_received(self, devicelist, jid):
if is_error_result(devicelist):
log.info('%s => Devicelist request failed: %s %s',
self._account, jid, devicelist)
self._log.info('Devicelist request failed: %s %s', jid, devicelist)
devicelist = []
self._process_devicelist_update(jid, devicelist)
......@@ -489,8 +481,7 @@ class OMEMO(BaseModule):
if own_devices:
jid = self._own_jid
log.info('%s => Received device list for %s: %s',
self._account, jid, devicelist)
self._log.info('Received device list for %s: %s', jid, devicelist)
# Pass a copy, we need the full list for potential set_devicelist()
self.backend.update_devicelist(jid, list(devicelist))
......@@ -505,13 +496,10 @@ class OMEMO(BaseModule):
self._check_for_missing_sessions(jid)
@staticmethod
def _debug_print_stanza(stanza):
log.debug('-'*15)
def _debug_print_stanza(self, stanza):
stanzastr = '\n' + stanza.__str__(fancy=True)
stanzastr = stanzastr[0:-1]
log.debug(stanzastr)
log.debug('-'*15)
self._log.debug(stanzastr)
def get_instance(*args, **kwargs):
......
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