mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2025-05-02 12:46:01 -04:00
Merge branch 'develop' into application-services-txn-reliability
Conflicts: synapse/storage/__init__.py
This commit is contained in:
Kegan Dougal
commit
4edcbcee3b
45 changed files with 1251 additions and 731 deletions
|
|
@ -14,15 +14,12 @@
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# limitations under the License.
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from twisted.internet import defer
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from synapse.util.logutils import log_function
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from synapse.api.constants import EventTypes
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from .appservice import (
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ApplicationServiceStore, ApplicationServiceTransactionStore
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)
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from ._base import Cache
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from .directory import DirectoryStore
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from .feedback import FeedbackStore
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from .events import EventsStore
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from .presence import PresenceStore
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from .profile import ProfileStore
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from .registration import RegistrationStore
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@ -41,11 +38,6 @@ from .state import StateStore
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from .signatures import SignatureStore
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from .filtering import FilteringStore
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from syutil.base64util import decode_base64
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from syutil.jsonutil import encode_canonical_json
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from synapse.crypto.event_signing import compute_event_reference_hash
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import fnmatch
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import imp
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@ -63,16 +55,14 @@ SCHEMA_VERSION = 15
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dir_path = os.path.abspath(os.path.dirname(__file__))
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class _RollbackButIsFineException(Exception):
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""" This exception is used to rollback a transaction without implying
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something went wrong.
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"""
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pass
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# Number of msec of granularity to store the user IP 'last seen' time. Smaller
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# times give more inserts into the database even for readonly API hits
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# 120 seconds == 2 minutes
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LAST_SEEN_GRANULARITY = 120*1000
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class DataStore(RoomMemberStore, RoomStore,
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RegistrationStore, StreamStore, ProfileStore, FeedbackStore,
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RegistrationStore, StreamStore, ProfileStore,
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PresenceStore, TransactionStore,
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DirectoryStore, KeyStore, StateStore, SignatureStore,
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ApplicationServiceStore,
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@ -83,6 +73,7 @@ class DataStore(RoomMemberStore, RoomStore,
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PusherStore,
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PushRuleStore,
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ApplicationServiceTransactionStore,
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EventsStore,
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):
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def __init__(self, hs):
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@ -92,424 +83,28 @@ class DataStore(RoomMemberStore, RoomStore,
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self.min_token_deferred = self._get_min_token()
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self.min_token = None
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@defer.inlineCallbacks
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@log_function
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def persist_event(self, event, context, backfilled=False,
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is_new_state=True, current_state=None):
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stream_ordering = None
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if backfilled:
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if not self.min_token_deferred.called:
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yield self.min_token_deferred
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self.min_token -= 1
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stream_ordering = self.min_token
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try:
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yield self.runInteraction(
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"persist_event",
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self._persist_event_txn,
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event=event,
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context=context,
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backfilled=backfilled,
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stream_ordering=stream_ordering,
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is_new_state=is_new_state,
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current_state=current_state,
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)
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except _RollbackButIsFineException:
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pass
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@defer.inlineCallbacks
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def get_event(self, event_id, check_redacted=True,
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get_prev_content=False, allow_rejected=False,
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allow_none=False):
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"""Get an event from the database by event_id.
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Args:
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event_id (str): The event_id of the event to fetch
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check_redacted (bool): If True, check if event has been redacted
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and redact it.
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get_prev_content (bool): If True and event is a state event,
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include the previous states content in the unsigned field.
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allow_rejected (bool): If True return rejected events.
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allow_none (bool): If True, return None if no event found, if
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False throw an exception.
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Returns:
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Deferred : A FrozenEvent.
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"""
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event = yield self.runInteraction(
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"get_event", self._get_event_txn,
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event_id,
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check_redacted=check_redacted,
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get_prev_content=get_prev_content,
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allow_rejected=allow_rejected,
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)
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if not event and not allow_none:
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raise RuntimeError("Could not find event %s" % (event_id,))
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defer.returnValue(event)
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@log_function
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def _persist_event_txn(self, txn, event, context, backfilled,
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stream_ordering=None, is_new_state=True,
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current_state=None):
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# Remove the any existing cache entries for the event_id
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self._get_event_cache.pop(event.event_id)
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# We purposefully do this first since if we include a `current_state`
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# key, we *want* to update the `current_state_events` table
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if current_state:
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txn.execute(
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"DELETE FROM current_state_events WHERE room_id = ?",
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(event.room_id,)
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)
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for s in current_state:
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self._simple_insert_txn(
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txn,
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"current_state_events",
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{
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"event_id": s.event_id,
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"room_id": s.room_id,
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"type": s.type,
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"state_key": s.state_key,
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},
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or_replace=True,
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)
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if event.is_state() and is_new_state:
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if not backfilled and not context.rejected:
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self._simple_insert_txn(
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txn,
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table="state_forward_extremities",
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values={
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"event_id": event.event_id,
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"room_id": event.room_id,
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"type": event.type,
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"state_key": event.state_key,
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},
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or_replace=True,
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)
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for prev_state_id, _ in event.prev_state:
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self._simple_delete_txn(
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txn,
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table="state_forward_extremities",
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keyvalues={
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"event_id": prev_state_id,
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}
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)
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outlier = event.internal_metadata.is_outlier()
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if not outlier:
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self._store_state_groups_txn(txn, event, context)
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self._update_min_depth_for_room_txn(
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txn,
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event.room_id,
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event.depth
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)
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self._handle_prev_events(
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txn,
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outlier=outlier,
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event_id=event.event_id,
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prev_events=event.prev_events,
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room_id=event.room_id,
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)
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have_persisted = self._simple_select_one_onecol_txn(
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txn,
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table="event_json",
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keyvalues={"event_id": event.event_id},
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retcol="event_id",
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allow_none=True,
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)
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metadata_json = encode_canonical_json(
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event.internal_metadata.get_dict()
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)
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# If we have already persisted this event, we don't need to do any
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# more processing.
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# The processing above must be done on every call to persist event,
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# since they might not have happened on previous calls. For example,
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# if we are persisting an event that we had persisted as an outlier,
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# but is no longer one.
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if have_persisted:
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if not outlier:
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sql = (
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"UPDATE event_json SET internal_metadata = ?"
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" WHERE event_id = ?"
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)
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txn.execute(
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sql,
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(metadata_json.decode("UTF-8"), event.event_id,)
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)
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sql = (
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"UPDATE events SET outlier = 0"
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" WHERE event_id = ?"
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)
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txn.execute(
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sql,
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(event.event_id,)
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)
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return
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if event.type == EventTypes.Member:
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self._store_room_member_txn(txn, event)
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elif event.type == EventTypes.Feedback:
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self._store_feedback_txn(txn, event)
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elif event.type == EventTypes.Name:
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self._store_room_name_txn(txn, event)
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elif event.type == EventTypes.Topic:
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self._store_room_topic_txn(txn, event)
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elif event.type == EventTypes.Redaction:
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self._store_redaction(txn, event)
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event_dict = {
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k: v
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for k, v in event.get_dict().items()
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if k not in [
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"redacted",
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"redacted_because",
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]
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}
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self._simple_insert_txn(
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txn,
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table="event_json",
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values={
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"event_id": event.event_id,
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"room_id": event.room_id,
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"internal_metadata": metadata_json.decode("UTF-8"),
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"json": encode_canonical_json(event_dict).decode("UTF-8"),
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},
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or_replace=True,
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)
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content = encode_canonical_json(
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event.content
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).decode("UTF-8")
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vals = {
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"topological_ordering": event.depth,
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"event_id": event.event_id,
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"type": event.type,
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"room_id": event.room_id,
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"content": content,
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"processed": True,
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"outlier": outlier,
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"depth": event.depth,
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}
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if stream_ordering is not None:
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vals["stream_ordering"] = stream_ordering
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unrec = {
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k: v
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for k, v in event.get_dict().items()
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if k not in vals.keys() and k not in [
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"redacted",
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"redacted_because",
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"signatures",
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"hashes",
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"prev_events",
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]
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}
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vals["unrecognized_keys"] = encode_canonical_json(
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unrec
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).decode("UTF-8")
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try:
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self._simple_insert_txn(
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txn,
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"events",
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vals,
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or_replace=(not outlier),
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or_ignore=bool(outlier),
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)
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except:
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logger.warn(
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"Failed to persist, probably duplicate: %s",
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event.event_id,
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exc_info=True,
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)
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raise _RollbackButIsFineException("_persist_event")
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if context.rejected:
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self._store_rejections_txn(txn, event.event_id, context.rejected)
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if event.is_state():
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vals = {
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"event_id": event.event_id,
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"room_id": event.room_id,
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"type": event.type,
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"state_key": event.state_key,
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||||
}
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|
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# TODO: How does this work with backfilling?
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if hasattr(event, "replaces_state"):
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vals["prev_state"] = event.replaces_state
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self._simple_insert_txn(
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||||
txn,
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"state_events",
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||||
vals,
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or_replace=True,
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||||
)
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||||
|
||||
if is_new_state and not context.rejected:
|
||||
self._simple_insert_txn(
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||||
txn,
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||||
"current_state_events",
|
||||
{
|
||||
"event_id": event.event_id,
|
||||
"room_id": event.room_id,
|
||||
"type": event.type,
|
||||
"state_key": event.state_key,
|
||||
},
|
||||
or_replace=True,
|
||||
)
|
||||
|
||||
for e_id, h in event.prev_state:
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||||
self._simple_insert_txn(
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||||
txn,
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||||
table="event_edges",
|
||||
values={
|
||||
"event_id": event.event_id,
|
||||
"prev_event_id": e_id,
|
||||
"room_id": event.room_id,
|
||||
"is_state": 1,
|
||||
},
|
||||
or_ignore=True,
|
||||
)
|
||||
|
||||
for hash_alg, hash_base64 in event.hashes.items():
|
||||
hash_bytes = decode_base64(hash_base64)
|
||||
self._store_event_content_hash_txn(
|
||||
txn, event.event_id, hash_alg, hash_bytes,
|
||||
)
|
||||
|
||||
for prev_event_id, prev_hashes in event.prev_events:
|
||||
for alg, hash_base64 in prev_hashes.items():
|
||||
hash_bytes = decode_base64(hash_base64)
|
||||
self._store_prev_event_hash_txn(
|
||||
txn, event.event_id, prev_event_id, alg, hash_bytes
|
||||
)
|
||||
|
||||
for auth_id, _ in event.auth_events:
|
||||
self._simple_insert_txn(
|
||||
txn,
|
||||
table="event_auth",
|
||||
values={
|
||||
"event_id": event.event_id,
|
||||
"room_id": event.room_id,
|
||||
"auth_id": auth_id,
|
||||
},
|
||||
or_ignore=True,
|
||||
)
|
||||
|
||||
(ref_alg, ref_hash_bytes) = compute_event_reference_hash(event)
|
||||
self._store_event_reference_hash_txn(
|
||||
txn, event.event_id, ref_alg, ref_hash_bytes
|
||||
)
|
||||
|
||||
def _store_redaction(self, txn, event):
|
||||
# invalidate the cache for the redacted event
|
||||
self._get_event_cache.pop(event.redacts)
|
||||
txn.execute(
|
||||
"INSERT OR IGNORE INTO redactions "
|
||||
"(event_id, redacts) VALUES (?,?)",
|
||||
(event.event_id, event.redacts)
|
||||
self.client_ip_last_seen = Cache(
|
||||
name="client_ip_last_seen",
|
||||
keylen=4,
|
||||
)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def get_current_state(self, room_id, event_type=None, state_key=""):
|
||||
del_sql = (
|
||||
"SELECT event_id FROM redactions WHERE redacts = e.event_id "
|
||||
"LIMIT 1"
|
||||
)
|
||||
|
||||
sql = (
|
||||
"SELECT e.*, (%(redacted)s) AS redacted FROM events as e "
|
||||
"INNER JOIN current_state_events as c ON e.event_id = c.event_id "
|
||||
"INNER JOIN state_events as s ON e.event_id = s.event_id "
|
||||
"WHERE c.room_id = ? "
|
||||
) % {
|
||||
"redacted": del_sql,
|
||||
}
|
||||
|
||||
if event_type and state_key is not None:
|
||||
sql += " AND s.type = ? AND s.state_key = ? "
|
||||
args = (room_id, event_type, state_key)
|
||||
elif event_type:
|
||||
sql += " AND s.type = ?"
|
||||
args = (room_id, event_type)
|
||||
else:
|
||||
args = (room_id, )
|
||||
|
||||
results = yield self._execute_and_decode("get_current_state", sql, *args)
|
||||
|
||||
events = yield self._parse_events(results)
|
||||
defer.returnValue(events)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def get_room_name_and_aliases(self, room_id):
|
||||
del_sql = (
|
||||
"SELECT event_id FROM redactions WHERE redacts = e.event_id "
|
||||
"LIMIT 1"
|
||||
)
|
||||
|
||||
sql = (
|
||||
"SELECT e.*, (%(redacted)s) AS redacted FROM events as e "
|
||||
"INNER JOIN current_state_events as c ON e.event_id = c.event_id "
|
||||
"INNER JOIN state_events as s ON e.event_id = s.event_id "
|
||||
"WHERE c.room_id = ? "
|
||||
) % {
|
||||
"redacted": del_sql,
|
||||
}
|
||||
|
||||
sql += " AND ((s.type = 'm.room.name' AND s.state_key = '')"
|
||||
sql += " OR s.type = 'm.room.aliases')"
|
||||
args = (room_id,)
|
||||
|
||||
results = yield self._execute_and_decode("get_current_state", sql, *args)
|
||||
|
||||
events = yield self._parse_events(results)
|
||||
|
||||
name = None
|
||||
aliases = []
|
||||
|
||||
for e in events:
|
||||
if e.type == 'm.room.name':
|
||||
if 'name' in e.content:
|
||||
name = e.content['name']
|
||||
elif e.type == 'm.room.aliases':
|
||||
if 'aliases' in e.content:
|
||||
aliases.extend(e.content['aliases'])
|
||||
|
||||
defer.returnValue((name, aliases))
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _get_min_token(self):
|
||||
row = yield self._execute(
|
||||
"_get_min_token", None, "SELECT MIN(stream_ordering) FROM events"
|
||||
)
|
||||
|
||||
self.min_token = row[0][0] if row and row[0] and row[0][0] else -1
|
||||
self.min_token = min(self.min_token, -1)
|
||||
|
||||
logger.debug("min_token is: %s", self.min_token)
|
||||
|
||||
defer.returnValue(self.min_token)
|
||||
|
||||
def insert_client_ip(self, user, access_token, device_id, ip, user_agent):
|
||||
return self._simple_insert(
|
||||
now = int(self._clock.time_msec())
|
||||
key = (user.to_string(), access_token, device_id, ip)
|
||||
|
||||
try:
|
||||
last_seen = self.client_ip_last_seen.get(*key)
|
||||
except KeyError:
|
||||
last_seen = None
|
||||
|
||||
# Rate-limited inserts
|
||||
if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
|
||||
defer.returnValue(None)
|
||||
|
||||
self.client_ip_last_seen.prefill(*key + (now,))
|
||||
|
||||
yield self._simple_insert(
|
||||
"user_ips",
|
||||
{
|
||||
"user": user.to_string(),
|
||||
|
|
@ -517,8 +112,9 @@ class DataStore(RoomMemberStore, RoomStore,
|
|||
"device_id": device_id,
|
||||
"ip": ip,
|
||||
"user_agent": user_agent,
|
||||
"last_seen": int(self._clock.time_msec()),
|
||||
}
|
||||
"last_seen": now,
|
||||
},
|
||||
desc="insert_client_ip",
|
||||
)
|
||||
|
||||
def get_user_ip_and_agents(self, user):
|
||||
|
|
@ -528,38 +124,7 @@ class DataStore(RoomMemberStore, RoomStore,
|
|||
retcols=[
|
||||
"device_id", "access_token", "ip", "user_agent", "last_seen"
|
||||
],
|
||||
)
|
||||
|
||||
def have_events(self, event_ids):
|
||||
"""Given a list of event ids, check if we have already processed them.
|
||||
|
||||
Returns:
|
||||
dict: Has an entry for each event id we already have seen. Maps to
|
||||
the rejected reason string if we rejected the event, else maps to
|
||||
None.
|
||||
"""
|
||||
if not event_ids:
|
||||
return defer.succeed({})
|
||||
|
||||
def f(txn):
|
||||
sql = (
|
||||
"SELECT e.event_id, reason FROM events as e "
|
||||
"LEFT JOIN rejections as r ON e.event_id = r.event_id "
|
||||
"WHERE e.event_id = ?"
|
||||
)
|
||||
|
||||
res = {}
|
||||
for event_id in event_ids:
|
||||
txn.execute(sql, (event_id,))
|
||||
row = txn.fetchone()
|
||||
if row:
|
||||
_, rejected = row
|
||||
res[event_id] = rejected
|
||||
|
||||
return res
|
||||
|
||||
return self.runInteraction(
|
||||
"have_events", f,
|
||||
desc="get_user_ip_and_agents",
|
||||
)
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue