forked from MirrorHub/synapse
Remove code that's now been obsoleted or moved elsewhere
This commit is contained in:
David Baker
parent
92e3071623
commit
d549fdfa22
3 changed files with 9 additions and 454 deletions
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@ -13,333 +13,6 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from synapse.streams.config import PaginationConfig
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from synapse.types import StreamToken
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from synapse.util.logcontext import LoggingContext
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from synapse.util.metrics import Measure
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import synapse.util.async
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from .push_rule_evaluator import evaluator_for_user_id
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import logging
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import random
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logger = logging.getLogger(__name__)
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_NEXT_ID = 1
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def _get_next_id():
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global _NEXT_ID
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_id = _NEXT_ID
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_NEXT_ID += 1
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return _id
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# Pushers could now be moved to pull out of the event_push_actions table instead
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# of listening on the event stream: this would avoid them having to run the
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# rules again.
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class Pusher(object):
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INITIAL_BACKOFF = 1000
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MAX_BACKOFF = 60 * 60 * 1000
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GIVE_UP_AFTER = 24 * 60 * 60 * 1000
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def __init__(self, _hs, user_id, app_id,
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app_display_name, device_display_name, pushkey, pushkey_ts,
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data, last_token, last_success, failing_since):
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self.hs = _hs
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self.evStreamHandler = self.hs.get_handlers().event_stream_handler
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self.store = self.hs.get_datastore()
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self.clock = self.hs.get_clock()
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self.user_id = user_id
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self.app_id = app_id
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self.app_display_name = app_display_name
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self.device_display_name = device_display_name
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self.pushkey = pushkey
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self.pushkey_ts = pushkey_ts
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self.data = data
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self.last_token = last_token
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self.last_success = last_success # not actually used
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self.backoff_delay = Pusher.INITIAL_BACKOFF
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self.failing_since = failing_since
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self.alive = True
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self.badge = None
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self.name = "Pusher-%d" % (_get_next_id(),)
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# The last value of last_active_time that we saw
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self.last_last_active_time = 0
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self.has_unread = True
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@defer.inlineCallbacks
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def get_context_for_event(self, ev):
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name_aliases = yield self.store.get_room_name_and_aliases(
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ev['room_id']
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)
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ctx = {'aliases': name_aliases[1]}
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if name_aliases[0] is not None:
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ctx['name'] = name_aliases[0]
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their_member_events_for_room = yield self.store.get_current_state(
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room_id=ev['room_id'],
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event_type='m.room.member',
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state_key=ev['user_id']
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)
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for mev in their_member_events_for_room:
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if mev.content['membership'] == 'join' and 'displayname' in mev.content:
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dn = mev.content['displayname']
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if dn is not None:
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ctx['sender_display_name'] = dn
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defer.returnValue(ctx)
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@defer.inlineCallbacks
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def start(self):
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with LoggingContext(self.name):
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if not self.last_token:
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# First-time setup: get a token to start from (we can't
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# just start from no token, ie. 'now'
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# because we need the result to be reproduceable in case
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# we fail to dispatch the push)
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config = PaginationConfig(from_token=None, limit='1')
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chunk = yield self.evStreamHandler.get_stream(
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self.user_id, config, timeout=0, affect_presence=False
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)
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self.last_token = chunk['end']
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yield self.store.update_pusher_last_token(
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self.app_id, self.pushkey, self.user_id, self.last_token
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)
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logger.info("New pusher %s for user %s starting from token %s",
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self.pushkey, self.user_id, self.last_token)
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else:
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logger.info(
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"Old pusher %s for user %s starting",
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self.pushkey, self.user_id,
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)
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wait = 0
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while self.alive:
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try:
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if wait > 0:
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yield synapse.util.async.sleep(wait)
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with Measure(self.clock, "push"):
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yield self.get_and_dispatch()
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wait = 0
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except:
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if wait == 0:
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wait = 1
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else:
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wait = min(wait * 2, 1800)
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logger.exception(
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"Exception in pusher loop for pushkey %s. Pausing for %ds",
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self.pushkey, wait
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)
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@defer.inlineCallbacks
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def get_and_dispatch(self):
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from_tok = StreamToken.from_string(self.last_token)
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config = PaginationConfig(from_token=from_tok, limit='1')
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timeout = (300 + random.randint(-60, 60)) * 1000
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chunk = yield self.evStreamHandler.get_stream(
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self.user_id, config, timeout=timeout, affect_presence=False,
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only_keys=("room", "receipt",),
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)
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# limiting to 1 may get 1 event plus 1 presence event, so
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# pick out the actual event
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single_event = None
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read_receipt = None
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for c in chunk['chunk']:
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if 'event_id' in c: # Hmmm...
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single_event = c
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elif c['type'] == 'm.receipt':
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read_receipt = c
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have_updated_badge = False
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if read_receipt:
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for receipt_part in read_receipt['content'].values():
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if 'm.read' in receipt_part:
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if self.user_id in receipt_part['m.read'].keys():
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have_updated_badge = True
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if not single_event:
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if have_updated_badge:
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yield self.update_badge()
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self.last_token = chunk['end']
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yield self.store.update_pusher_last_token(
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self.app_id,
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self.pushkey,
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self.user_id,
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self.last_token
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)
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return
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if not self.alive:
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return
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processed = False
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rule_evaluator = yield \
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evaluator_for_user_id(
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self.user_id, single_event['room_id'], self.store
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)
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actions = yield rule_evaluator.actions_for_event(single_event)
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tweaks = rule_evaluator.tweaks_for_actions(actions)
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if 'notify' in actions:
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self.badge = yield self._get_badge_count()
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rejected = yield self.dispatch_push(single_event, tweaks, self.badge)
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self.has_unread = True
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if isinstance(rejected, list) or isinstance(rejected, tuple):
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processed = True
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for pk in rejected:
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if pk != self.pushkey:
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# for sanity, we only remove the pushkey if it
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# was the one we actually sent...
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logger.warn(
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("Ignoring rejected pushkey %s because we"
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" didn't send it"), pk
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)
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else:
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logger.info(
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"Pushkey %s was rejected: removing",
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pk
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)
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yield self.hs.get_pusherpool().remove_pusher(
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self.app_id, pk, self.user_id
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)
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else:
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if have_updated_badge:
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yield self.update_badge()
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processed = True
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if not self.alive:
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return
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if processed:
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self.backoff_delay = Pusher.INITIAL_BACKOFF
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self.last_token = chunk['end']
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yield self.store.update_pusher_last_token_and_success(
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self.app_id,
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self.pushkey,
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self.user_id,
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self.last_token,
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self.clock.time_msec()
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)
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if self.failing_since:
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self.failing_since = None
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yield self.store.update_pusher_failing_since(
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self.app_id,
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self.pushkey,
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self.user_id,
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self.failing_since)
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else:
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if not self.failing_since:
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self.failing_since = self.clock.time_msec()
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yield self.store.update_pusher_failing_since(
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self.app_id,
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self.pushkey,
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self.user_id,
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self.failing_since
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)
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if (self.failing_since and
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self.failing_since <
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self.clock.time_msec() - Pusher.GIVE_UP_AFTER):
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# we really only give up so that if the URL gets
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# fixed, we don't suddenly deliver a load
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# of old notifications.
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logger.warn("Giving up on a notification to user %s, "
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"pushkey %s",
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self.user_id, self.pushkey)
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self.backoff_delay = Pusher.INITIAL_BACKOFF
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self.last_token = chunk['end']
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yield self.store.update_pusher_last_token(
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self.app_id,
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self.pushkey,
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self.user_id,
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self.last_token
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)
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self.failing_since = None
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yield self.store.update_pusher_failing_since(
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self.app_id,
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self.pushkey,
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self.user_id,
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self.failing_since
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)
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else:
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logger.warn("Failed to dispatch push for user %s "
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"(failing for %dms)."
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"Trying again in %dms",
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self.user_id,
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self.clock.time_msec() - self.failing_since,
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self.backoff_delay)
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yield synapse.util.async.sleep(self.backoff_delay / 1000.0)
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self.backoff_delay *= 2
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if self.backoff_delay > Pusher.MAX_BACKOFF:
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self.backoff_delay = Pusher.MAX_BACKOFF
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def stop(self):
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self.alive = False
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def dispatch_push(self, p, tweaks, badge):
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"""
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Overridden by implementing classes to actually deliver the notification
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Args:
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p: The event to notify for as a single event from the event stream
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Returns: If the notification was delivered, an array containing any
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pushkeys that were rejected by the push gateway.
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False if the notification could not be delivered (ie.
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should be retried).
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"""
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pass
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@defer.inlineCallbacks
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def update_badge(self):
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new_badge = yield self._get_badge_count()
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if self.badge != new_badge:
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self.badge = new_badge
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yield self.send_badge(self.badge)
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def send_badge(self, badge):
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"""
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Overridden by implementing classes to send an updated badge count
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"""
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pass
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@defer.inlineCallbacks
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def _get_badge_count(self):
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invites, joins = yield defer.gatherResults([
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self.store.get_invited_rooms_for_user(self.user_id),
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self.store.get_rooms_for_user(self.user_id),
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], consumeErrors=True)
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my_receipts_by_room = yield self.store.get_receipts_for_user(
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self.user_id,
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"m.read",
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)
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badge = len(invites)
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for r in joins:
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if r.room_id in my_receipts_by_room:
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last_unread_event_id = my_receipts_by_room[r.room_id]
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notifs = yield (
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self.store.get_unread_event_push_actions_by_room_for_user(
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r.room_id, self.user_id, last_unread_event_id
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)
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)
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badge += notifs["notify_count"]
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defer.returnValue(badge)
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class PusherConfigException(Exception):
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def __init__(self, msg):
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@ -168,7 +168,7 @@ class HttpPusher(object):
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if 'notify' not in push_action['actions']:
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defer.returnValue(True)
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tweaks = push_rule_evaluator.PushRuleEvaluator.tweaks_for_actions(push_action['actions'])
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tweaks = push_rule_evaluator.tweaks_for_actions(push_action['actions'])
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badge = yield push_tools.get_badge_count(self.hs, self.user_id)
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event = yield self.store.get_event(push_action['event_id'], allow_none=True)
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@ -13,12 +13,7 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from .baserules import list_with_base_rules
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import logging
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import simplejson as json
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import re
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from synapse.types import UserID
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@ -32,22 +27,6 @@ IS_GLOB = re.compile(r'[\?\*\[\]]')
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INEQUALITY_EXPR = re.compile("^([=<>]*)([0-9]*)$")
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@defer.inlineCallbacks
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def evaluator_for_user_id(user_id, room_id, store):
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rawrules = yield store.get_push_rules_for_user(user_id)
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enabled_map = yield store.get_push_rules_enabled_for_user(user_id)
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our_member_event = yield store.get_current_state(
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room_id=room_id,
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event_type='m.room.member',
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state_key=user_id,
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)
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defer.returnValue(PushRuleEvaluator(
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user_id, rawrules, enabled_map,
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room_id, our_member_event, store
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))
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def _room_member_count(ev, condition, room_member_count):
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if 'is' not in condition:
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return False
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@ -74,111 +53,14 @@ def _room_member_count(ev, condition, room_member_count):
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return False
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class PushRuleEvaluator:
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DEFAULT_ACTIONS = []
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def __init__(self, user_id, raw_rules, enabled_map, room_id,
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our_member_event, store):
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self.user_id = user_id
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self.room_id = room_id
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self.our_member_event = our_member_event
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self.store = store
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rules = []
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for raw_rule in raw_rules:
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rule = dict(raw_rule)
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rule['conditions'] = json.loads(raw_rule['conditions'])
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rule['actions'] = json.loads(raw_rule['actions'])
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rules.append(rule)
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self.rules = list_with_base_rules(rules)
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self.enabled_map = enabled_map
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@staticmethod
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def tweaks_for_actions(actions):
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tweaks = {}
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for a in actions:
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if not isinstance(a, dict):
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continue
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if 'set_tweak' in a and 'value' in a:
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tweaks[a['set_tweak']] = a['value']
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return tweaks
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@defer.inlineCallbacks
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def actions_for_event(self, ev):
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"""
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This should take into account notification settings that the user
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has configured both globally and per-room when we have the ability
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to do such things.
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"""
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if ev['user_id'] == self.user_id:
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# let's assume you probably know about messages you sent yourself
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defer.returnValue([])
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room_id = ev['room_id']
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# get *our* member event for display name matching
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my_display_name = None
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if self.our_member_event:
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my_display_name = self.our_member_event[0].content.get("displayname")
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room_members = yield self.store.get_users_in_room(room_id)
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room_member_count = len(room_members)
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evaluator = PushRuleEvaluatorForEvent(ev, room_member_count)
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for r in self.rules:
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enabled = self.enabled_map.get(r['rule_id'], None)
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if enabled is not None and not enabled:
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continue
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elif enabled is None and not r.get("enabled", True):
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# if no override, check enabled on the rule itself
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# (may have come from a base rule)
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continue
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conditions = r['conditions']
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actions = r['actions']
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# ignore rules with no actions (we have an explict 'dont_notify')
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if len(actions) == 0:
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logger.warn(
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"Ignoring rule id %s with no actions for user %s",
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r['rule_id'], self.user_id
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)
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continue
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matches = True
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for c in conditions:
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matches = evaluator.matches(
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c, self.user_id, my_display_name
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)
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if not matches:
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break
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logger.debug(
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"Rule %s %s",
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r['rule_id'], "matches" if matches else "doesn't match"
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)
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if matches:
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logger.debug(
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"%s matches for user %s, event %s",
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r['rule_id'], self.user_id, ev['event_id']
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)
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# filter out dont_notify as we treat an empty actions list
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# as dont_notify, and this doesn't take up a row in our database
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actions = [x for x in actions if x != 'dont_notify']
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defer.returnValue(actions)
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logger.debug(
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"No rules match for user %s, event %s",
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||||
self.user_id, ev['event_id']
|
||||
)
|
||||
defer.returnValue(PushRuleEvaluator.DEFAULT_ACTIONS)
|
||||
def tweaks_for_actions(actions):
|
||||
tweaks = {}
|
||||
for a in actions:
|
||||
if not isinstance(a, dict):
|
||||
continue
|
||||
if 'set_tweak' in a and 'value' in a:
|
||||
tweaks[a['set_tweak']] = a['value']
|
||||
return tweaks
|
||||
|
||||
|
||||
class PushRuleEvaluatorForEvent(object):
|
||||
|
|
|
|||
Loading…
Reference in a new issue