Determine delay timestamp correctly

- Check the from attr on the delay node to determine if its a user timestamp or from the server
- Dont use user timestamp for sorting
- Record the user timestamp in additional data so its saved to the database

Fixes #9444
This commit is contained in:
Philipp Hörist 2018-12-01 01:12:52 +01:00
parent b2ecc14cae
commit 6c2df54132
4 changed files with 108 additions and 21 deletions

View File

@ -130,12 +130,13 @@ class MAM:
raise nbxmpp.NodeProcessed
# Timestamp parsing
timestamp = parse_delay(forwarded)
if timestamp is None:
# Most servers dont set the 'from' attr, so we cant check for it
delay_timestamp = parse_delay(forwarded)
if delay_timestamp is None:
log.warning('No timestamp on MAM message')
log.warning(stanza)
raise nbxmpp.NodeProcessed
user_timestamp = parse_delay(message)
# Fix for self messaging
if not groupchat:
to = message.getTo()
@ -180,8 +181,7 @@ class MAM:
{'conn': self._con,
'additional_data': {},
'encrypted': False,
'timestamp': timestamp,
'user_timestamp': user_timestamp,
'timestamp': delay_timestamp,
'self_message': self_message,
'groupchat': groupchat,
'muc_pm': muc_pm,
@ -248,7 +248,12 @@ class MAM:
# For example Chatstates, Receipts, Chatmarkers
log.debug(event.message.getProperties())
return
log.debug(event.msgtxt)
user_timestamp = parse_delay(event.stanza)
if user_timestamp is not None:
# Record it as a user timestamp
event.additional_data.set_value(
'gajim', 'user_timestamp', user_timestamp)
event.correct_id = parse_correction(event.message)
parse_oob(event.message, event.additional_data)

View File

@ -223,15 +223,40 @@ class Message:
except nbxmpp.NodeProcessed:
return
timestamp, delayed = parse_delay(event.stanza), True
subject = event.stanza.getSubject()
groupchat = event.mtype == 'groupchat'
muc_subject = subject and groupchat
# Determine timestamps
if groupchat:
delay_entity_jid = event.jid
else:
delay_entity_jid = self._con.get_own_jid().getDomain()
if muc_subject:
# MUC Subjects can have a delay timestamp
# to indicate when the user has set the subject,
# the 'from' attr on these delays is the MUC server
# but we treat it as user timestamp
timestamp = time.time()
user_timestamp = parse_delay(event.stanza, from_=delay_entity_jid)
else:
timestamp = parse_delay(event.stanza, from_=delay_entity_jid)
if timestamp is None:
timestamp = time.time()
delayed = False
user_timestamp = parse_delay(event.stanza,
not_from=[delay_entity_jid])
if user_timestamp is not None:
event.additional_data.set_value(
'gajim', 'user_timestamp', user_timestamp)
event_attr = {
'popup': False,
'msg_log_id': None,
'subject': event.stanza.getSubject(),
'subject': subject,
'displaymarking': parse_securitylabel(event.stanza),
'attention': parse_attention(event.stanza),
'correct_id': parse_correction(event.stanza),
@ -239,7 +264,7 @@ class Message:
'form_node': parse_form(event.stanza),
'xhtml': parse_xhtml(event.stanza),
'timestamp': timestamp,
'delayed': delayed,
'delayed': user_timestamp is not None,
}
parse_oob(event.stanza, event.additional_data)
@ -257,7 +282,7 @@ class Message:
event.session, event.fjid, timestamp)
return
if event.mtype == 'groupchat':
if groupchat:
app.nec.push_incoming_event(GcMessageReceivedEvent(
None,
conn=self._con,

View File

@ -65,16 +65,43 @@ def parse_eme(stanza):
# XEP-0203: Delayed Delivery
def parse_delay(stanza, epoch=True, convert='utc'):
timestamp = None
delay = stanza.getTagAttr(
'delay', 'stamp', namespace=nbxmpp.NS_DELAY2)
if delay is not None:
timestamp = parse_datetime(delay, check_utc=True,
def parse_delay(stanza, epoch=True, convert='utc', from_=None, not_from=None):
'''
Returns the first valid delay timestamp that matches
:param epoch: Returns the timestamp as epoch
:param convert: Converts the timestamp to either utc or local
:param from_: Matches only delays that have the according
from attr set
:param not_from: Matches only delays that have the according
from attr not set
'''
delays = stanza.getTags('delay', namespace=nbxmpp.NS_DELAY2)
for delay in delays:
stamp = delay.getAttr('stamp')
if stamp is None:
log.warning('Invalid timestamp received: %s', stamp)
log.warning(stanza)
continue
delay_from = delay.getAttr('from')
if from_ is not None:
if delay_from != from_:
continue
if not_from is not None:
if delay_from in not_from:
continue
timestamp = parse_datetime(stamp, check_utc=True,
epoch=epoch, convert=convert)
if timestamp is None:
log.warning('Invalid timestamp received: %s', delay)
log.warning('Invalid timestamp received: %s', stamp)
log.warning(stanza)
continue
return timestamp

View File

@ -0,0 +1,30 @@
import unittest
import nbxmpp
from gajim.common.modules.misc import parse_delay
class TestHelpers(unittest.TestCase):
def test_parse_delay(self):
node = """
<message>
<delay xmlns='urn:xmpp:delay' from='capulet.com' stamp='2002-09-10T23:08:25Z' />
<delay xmlns='urn:xmpp:delay' from='romeo.com' stamp='2010-09-10T23:08:25Z' />
<delay xmlns='urn:xmpp:delay' stamp='2015-09-10T23:08:25Z' />
</message>
"""
message = nbxmpp.Node(node=node)
timestamp = parse_delay(message)
self.assertEqual(timestamp, 1031699305.0)
timestamp = parse_delay(message, from_='capulet.com')
self.assertEqual(timestamp, 1031699305.0)
timestamp = parse_delay(message, from_='romeo.com')
self.assertEqual(timestamp, 1284160105.0)
timestamp = parse_delay(message, not_from=['romeo.com'])
self.assertEqual(timestamp, 1031699305.0)