mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
Merge branch 'develop' into dbkr/channel_notifications
This commit is contained in:
David Baker
commit
89fa00ddff
@ -46,7 +46,7 @@ class SpamChecker(object):
|
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return self.spam_checker.check_event_for_spam(event)
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def user_may_invite(self, userid, room_id):
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def user_may_invite(self, inviter_userid, invitee_userid, room_id):
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"""Checks if a given user may send an invite
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If this method returns false, the invite will be rejected.
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@ -60,7 +60,7 @@ class SpamChecker(object):
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if self.spam_checker is None:
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return True
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return self.spam_checker.user_may_invite(userid, room_id)
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return self.spam_checker.user_may_invite(inviter_userid, invitee_userid, room_id)
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def user_may_create_room(self, userid):
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"""Checks if a given user may create a room
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@ -12,14 +12,12 @@
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 .federation_base import FederationBase
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from .units import Transaction, Edu
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from synapse.util.async import Linearizer
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from synapse.util import async
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from synapse.util.logutils import log_function
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from synapse.util.caches.response_cache import ResponseCache
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from synapse.events import FrozenEvent
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@ -33,6 +31,9 @@ from synapse.crypto.event_signing import compute_event_signature
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import simplejson as json
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import logging
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# when processing incoming transactions, we try to handle multiple rooms in
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# parallel, up to this limit.
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TRANSACTION_CONCURRENCY_LIMIT = 10
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logger = logging.getLogger(__name__)
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@ -52,7 +53,8 @@ class FederationServer(FederationBase):
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self.auth = hs.get_auth()
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self._server_linearizer = Linearizer("fed_server")
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self._server_linearizer = async.Linearizer("fed_server")
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self._transaction_linearizer = async.Linearizer("fed_txn_handler")
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# We cache responses to state queries, as they take a while and often
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# come in waves.
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@ -109,25 +111,41 @@ class FederationServer(FederationBase):
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@defer.inlineCallbacks
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@log_function
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def on_incoming_transaction(self, transaction_data):
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# keep this as early as possible to make the calculated origin ts as
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# accurate as possible.
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request_time = self._clock.time_msec()
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transaction = Transaction(**transaction_data)
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received_pdus_counter.inc_by(len(transaction.pdus))
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for p in transaction.pdus:
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if "unsigned" in p:
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unsigned = p["unsigned"]
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if "age" in unsigned:
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p["age"] = unsigned["age"]
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if "age" in p:
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p["age_ts"] = int(self._clock.time_msec()) - int(p["age"])
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del p["age"]
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pdu_list = [
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self.event_from_pdu_json(p) for p in transaction.pdus
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]
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if not transaction.transaction_id:
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raise Exception("Transaction missing transaction_id")
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if not transaction.origin:
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raise Exception("Transaction missing origin")
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logger.debug("[%s] Got transaction", transaction.transaction_id)
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# use a linearizer to ensure that we don't process the same transaction
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# multiple times in parallel.
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with (yield self._transaction_linearizer.queue(
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(transaction.origin, transaction.transaction_id),
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)):
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result = yield self._handle_incoming_transaction(
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transaction, request_time,
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)
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defer.returnValue(result)
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@defer.inlineCallbacks
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def _handle_incoming_transaction(self, transaction, request_time):
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""" Process an incoming transaction and return the HTTP response
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Args:
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transaction (Transaction): incoming transaction
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request_time (int): timestamp that the HTTP request arrived at
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Returns:
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Deferred[(int, object)]: http response code and body
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"""
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response = yield self.transaction_actions.have_responded(transaction)
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if response:
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@ -140,42 +158,50 @@ class FederationServer(FederationBase):
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logger.debug("[%s] Transaction is new", transaction.transaction_id)
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results = []
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received_pdus_counter.inc_by(len(transaction.pdus))
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for pdu in pdu_list:
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# check that it's actually being sent from a valid destination to
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# workaround bug #1753 in 0.18.5 and 0.18.6
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if transaction.origin != get_domain_from_id(pdu.event_id):
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# We continue to accept join events from any server; this is
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# necessary for the federation join dance to work correctly.
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# (When we join over federation, the "helper" server is
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# responsible for sending out the join event, rather than the
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# origin. See bug #1893).
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if not (
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pdu.type == 'm.room.member' and
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pdu.content and
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pdu.content.get("membership", None) == 'join'
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):
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logger.info(
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"Discarding PDU %s from invalid origin %s",
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pdu.event_id, transaction.origin
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)
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continue
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else:
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logger.info(
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"Accepting join PDU %s from %s",
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pdu.event_id, transaction.origin
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)
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pdus_by_room = {}
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try:
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yield self._handle_received_pdu(transaction.origin, pdu)
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results.append({})
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except FederationError as e:
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self.send_failure(e, transaction.origin)
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results.append({"error": str(e)})
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except Exception as e:
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results.append({"error": str(e)})
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logger.exception("Failed to handle PDU")
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for p in transaction.pdus:
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if "unsigned" in p:
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unsigned = p["unsigned"]
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if "age" in unsigned:
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p["age"] = unsigned["age"]
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if "age" in p:
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p["age_ts"] = request_time - int(p["age"])
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del p["age"]
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event = self.event_from_pdu_json(p)
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room_id = event.room_id
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pdus_by_room.setdefault(room_id, []).append(event)
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pdu_results = {}
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# we can process different rooms in parallel (which is useful if they
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# require callouts to other servers to fetch missing events), but
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# impose a limit to avoid going too crazy with ram/cpu.
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@defer.inlineCallbacks
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def process_pdus_for_room(room_id):
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logger.debug("Processing PDUs for %s", room_id)
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for pdu in pdus_by_room[room_id]:
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event_id = pdu.event_id
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try:
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yield self._handle_received_pdu(
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transaction.origin, pdu
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)
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pdu_results[event_id] = {}
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except FederationError as e:
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logger.warn("Error handling PDU %s: %s", event_id, e)
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self.send_failure(e, transaction.origin)
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pdu_results[event_id] = {"error": str(e)}
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except Exception as e:
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pdu_results[event_id] = {"error": str(e)}
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logger.exception("Failed to handle PDU %s", event_id)
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yield async.concurrently_execute(
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process_pdus_for_room, pdus_by_room.keys(),
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TRANSACTION_CONCURRENCY_LIMIT,
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)
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if hasattr(transaction, "edus"):
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for edu in (Edu(**x) for x in transaction.edus):
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@ -188,14 +214,12 @@ class FederationServer(FederationBase):
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for failure in getattr(transaction, "pdu_failures", []):
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logger.info("Got failure %r", failure)
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logger.debug("Returning: %s", str(results))
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response = {
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"pdus": dict(zip(
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(p.event_id for p in pdu_list), results
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)),
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"pdus": pdu_results,
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}
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logger.debug("Returning: %s", str(response))
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yield self.transaction_actions.set_response(
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transaction,
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200, response
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@ -520,6 +544,30 @@ class FederationServer(FederationBase):
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Returns (Deferred): completes with None
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Raises: FederationError if the signatures / hash do not match
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"""
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# check that it's actually being sent from a valid destination to
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# workaround bug #1753 in 0.18.5 and 0.18.6
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if origin != get_domain_from_id(pdu.event_id):
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# We continue to accept join events from any server; this is
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# necessary for the federation join dance to work correctly.
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# (When we join over federation, the "helper" server is
|
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# responsible for sending out the join event, rather than the
|
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# origin. See bug #1893).
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if not (
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pdu.type == 'm.room.member' and
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pdu.content and
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pdu.content.get("membership", None) == 'join'
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):
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logger.info(
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"Discarding PDU %s from invalid origin %s",
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pdu.event_id, origin
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)
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return
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else:
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logger.info(
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"Accepting join PDU %s from %s",
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pdu.event_id, origin
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)
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# Check signature.
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try:
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pdu = yield self._check_sigs_and_hash(pdu)
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@ -20,8 +20,8 @@ from .persistence import TransactionActions
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from .units import Transaction, Edu
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from synapse.api.errors import HttpResponseException
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from synapse.util import logcontext
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from synapse.util.async import run_on_reactor
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from synapse.util.logcontext import preserve_context_over_fn, preserve_fn
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from synapse.util.retryutils import NotRetryingDestination, get_retry_limiter
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from synapse.util.metrics import measure_func
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from synapse.handlers.presence import format_user_presence_state, get_interested_remotes
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@ -231,11 +231,9 @@ class TransactionQueue(object):
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(pdu, order)
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)
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preserve_context_over_fn(
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self._attempt_new_transaction, destination
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)
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self._attempt_new_transaction(destination)
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@preserve_fn # the caller should not yield on this
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@logcontext.preserve_fn # the caller should not yield on this
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@defer.inlineCallbacks
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def send_presence(self, states):
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"""Send the new presence states to the appropriate destinations.
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@ -299,7 +297,7 @@ class TransactionQueue(object):
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state.user_id: state for state in states
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})
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preserve_fn(self._attempt_new_transaction)(destination)
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self._attempt_new_transaction(destination)
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def send_edu(self, destination, edu_type, content, key=None):
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edu = Edu(
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@ -321,9 +319,7 @@ class TransactionQueue(object):
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else:
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self.pending_edus_by_dest.setdefault(destination, []).append(edu)
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preserve_context_over_fn(
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self._attempt_new_transaction, destination
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)
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self._attempt_new_transaction(destination)
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def send_failure(self, failure, destination):
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if destination == self.server_name or destination == "localhost":
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@ -336,9 +332,7 @@ class TransactionQueue(object):
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destination, []
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).append(failure)
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preserve_context_over_fn(
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self._attempt_new_transaction, destination
|
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)
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self._attempt_new_transaction(destination)
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def send_device_messages(self, destination):
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if destination == self.server_name or destination == "localhost":
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@ -347,15 +341,24 @@ class TransactionQueue(object):
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if not self.can_send_to(destination):
|
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return
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preserve_context_over_fn(
|
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self._attempt_new_transaction, destination
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)
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self._attempt_new_transaction(destination)
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|
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def get_current_token(self):
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return 0
|
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|
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@defer.inlineCallbacks
|
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def _attempt_new_transaction(self, destination):
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"""Try to start a new transaction to this destination
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|
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If there is already a transaction in progress to this destination,
|
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returns immediately. Otherwise kicks off the process of sending a
|
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transaction in the background.
|
||||
|
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Args:
|
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destination (str):
|
||||
|
||||
Returns:
|
||||
None
|
||||
"""
|
||||
# list of (pending_pdu, deferred, order)
|
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if destination in self.pending_transactions:
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# XXX: pending_transactions can get stuck on by a never-ending
|
||||
@ -368,6 +371,19 @@ class TransactionQueue(object):
|
||||
)
|
||||
return
|
||||
|
||||
logger.debug("TX [%s] Starting transaction loop", destination)
|
||||
|
||||
# Drop the logcontext before starting the transaction. It doesn't
|
||||
# really make sense to log all the outbound transactions against
|
||||
# whatever path led us to this point: that's pretty arbitrary really.
|
||||
#
|
||||
# (this also means we can fire off _perform_transaction without
|
||||
# yielding)
|
||||
with logcontext.PreserveLoggingContext():
|
||||
self._transaction_transmission_loop(destination)
|
||||
|
||||
@defer.inlineCallbacks
|
||||
def _transaction_transmission_loop(self, destination):
|
||||
pending_pdus = []
|
||||
try:
|
||||
self.pending_transactions[destination] = 1
|
||||
|
||||
@ -14,7 +14,6 @@
|
||||
# limitations under the License.
|
||||
|
||||
"""Contains handlers for federation events."""
|
||||
import synapse.util.logcontext
|
||||
from signedjson.key import decode_verify_key_bytes
|
||||
from signedjson.sign import verify_signed_json
|
||||
from unpaddedbase64 import decode_base64
|
||||
@ -26,10 +25,7 @@ from synapse.api.errors import (
|
||||
)
|
||||
from synapse.api.constants import EventTypes, Membership, RejectedReason
|
||||
from synapse.events.validator import EventValidator
|
||||
from synapse.util import unwrapFirstError
|
||||
from synapse.util.logcontext import (
|
||||
preserve_fn, preserve_context_over_deferred
|
||||
)
|
||||
from synapse.util import unwrapFirstError, logcontext
|
||||
from synapse.util.metrics import measure_func
|
||||
from synapse.util.logutils import log_function
|
||||
from synapse.util.async import run_on_reactor, Linearizer
|
||||
@ -592,9 +588,9 @@ class FederationHandler(BaseHandler):
|
||||
missing_auth - failed_to_fetch
|
||||
)
|
||||
|
||||
results = yield preserve_context_over_deferred(defer.gatherResults(
|
||||
results = yield logcontext.make_deferred_yieldable(defer.gatherResults(
|
||||
[
|
||||
preserve_fn(self.replication_layer.get_pdu)(
|
||||
logcontext.preserve_fn(self.replication_layer.get_pdu)(
|
||||
[dest],
|
||||
event_id,
|
||||
outlier=True,
|
||||
@ -786,10 +782,14 @@ class FederationHandler(BaseHandler):
|
||||
event_ids = list(extremities.keys())
|
||||
|
||||
logger.debug("calling resolve_state_groups in _maybe_backfill")
|
||||
states = yield preserve_context_over_deferred(defer.gatherResults([
|
||||
preserve_fn(self.state_handler.resolve_state_groups)(room_id, [e])
|
||||
for e in event_ids
|
||||
]))
|
||||
states = yield logcontext.make_deferred_yieldable(defer.gatherResults(
|
||||
[
|
||||
logcontext.preserve_fn(self.state_handler.resolve_state_groups)(
|
||||
room_id, [e]
|
||||
)
|
||||
for e in event_ids
|
||||
], consumeErrors=True,
|
||||
))
|
||||
states = dict(zip(event_ids, [s.state for s in states]))
|
||||
|
||||
state_map = yield self.store.get_events(
|
||||
@ -942,9 +942,7 @@ class FederationHandler(BaseHandler):
|
||||
# lots of requests for missing prev_events which we do actually
|
||||
# have. Hence we fire off the deferred, but don't wait for it.
|
||||
|
||||
synapse.util.logcontext.preserve_fn(self._handle_queued_pdus)(
|
||||
room_queue
|
||||
)
|
||||
logcontext.preserve_fn(self._handle_queued_pdus)(room_queue)
|
||||
|
||||
defer.returnValue(True)
|
||||
|
||||
@ -1071,6 +1069,9 @@ class FederationHandler(BaseHandler):
|
||||
"""
|
||||
event = pdu
|
||||
|
||||
if event.state_key is None:
|
||||
raise SynapseError(400, "The invite event did not have a state key")
|
||||
|
||||
is_blocked = yield self.store.is_room_blocked(event.room_id)
|
||||
if is_blocked:
|
||||
raise SynapseError(403, "This room has been blocked on this server")
|
||||
@ -1078,9 +1079,11 @@ class FederationHandler(BaseHandler):
|
||||
if self.hs.config.block_non_admin_invites:
|
||||
raise SynapseError(403, "This server does not accept room invites")
|
||||
|
||||
if not self.spam_checker.user_may_invite(event.sender, event.room_id):
|
||||
if not self.spam_checker.user_may_invite(
|
||||
event.sender, event.state_key, event.room_id,
|
||||
):
|
||||
raise SynapseError(
|
||||
403, "This user is not permitted to send invites to this server"
|
||||
403, "This user is not permitted to send invites to this server/user"
|
||||
)
|
||||
|
||||
membership = event.content.get("membership")
|
||||
@ -1091,9 +1094,6 @@ class FederationHandler(BaseHandler):
|
||||
if sender_domain != origin:
|
||||
raise SynapseError(400, "The invite event was not from the server sending it")
|
||||
|
||||
if event.state_key is None:
|
||||
raise SynapseError(400, "The invite event did not have a state key")
|
||||
|
||||
if not self.is_mine_id(event.state_key):
|
||||
raise SynapseError(400, "The invite event must be for this server")
|
||||
|
||||
@ -1436,7 +1436,7 @@ class FederationHandler(BaseHandler):
|
||||
if not backfilled:
|
||||
# this intentionally does not yield: we don't care about the result
|
||||
# and don't need to wait for it.
|
||||
preserve_fn(self.pusher_pool.on_new_notifications)(
|
||||
logcontext.preserve_fn(self.pusher_pool.on_new_notifications)(
|
||||
event_stream_id, max_stream_id
|
||||
)
|
||||
|
||||
@ -1449,16 +1449,16 @@ class FederationHandler(BaseHandler):
|
||||
a bunch of outliers, but not a chunk of individual events that depend
|
||||
on each other for state calculations.
|
||||
"""
|
||||
contexts = yield preserve_context_over_deferred(defer.gatherResults(
|
||||
contexts = yield logcontext.make_deferred_yieldable(defer.gatherResults(
|
||||
[
|
||||
preserve_fn(self._prep_event)(
|
||||
logcontext.preserve_fn(self._prep_event)(
|
||||
origin,
|
||||
ev_info["event"],
|
||||
state=ev_info.get("state"),
|
||||
auth_events=ev_info.get("auth_events"),
|
||||
)
|
||||
for ev_info in event_infos
|
||||
]
|
||||
], consumeErrors=True,
|
||||
))
|
||||
|
||||
yield self.store.persist_events(
|
||||
@ -1766,18 +1766,17 @@ class FederationHandler(BaseHandler):
|
||||
# Do auth conflict res.
|
||||
logger.info("Different auth: %s", different_auth)
|
||||
|
||||
different_events = yield preserve_context_over_deferred(defer.gatherResults(
|
||||
[
|
||||
preserve_fn(self.store.get_event)(
|
||||
different_events = yield logcontext.make_deferred_yieldable(
|
||||
defer.gatherResults([
|
||||
logcontext.preserve_fn(self.store.get_event)(
|
||||
d,
|
||||
allow_none=True,
|
||||
allow_rejected=False,
|
||||
)
|
||||
for d in different_auth
|
||||
if d in have_events and not have_events[d]
|
||||
],
|
||||
consumeErrors=True
|
||||
)).addErrback(unwrapFirstError)
|
||||
], consumeErrors=True)
|
||||
).addErrback(unwrapFirstError)
|
||||
|
||||
if different_events:
|
||||
local_view = dict(auth_events)
|
||||
|
||||
@ -225,7 +225,7 @@ class RoomMemberHandler(BaseHandler):
|
||||
block_invite = True
|
||||
|
||||
if not self.spam_checker.user_may_invite(
|
||||
requester.user.to_string(), room_id,
|
||||
requester.user.to_string(), target.to_string(), room_id,
|
||||
):
|
||||
logger.info("Blocking invite due to spam checker")
|
||||
block_invite = True
|
||||
|
||||
@ -288,6 +288,9 @@ class StateHandler(object):
|
||||
"""
|
||||
logger.debug("resolve_state_groups event_ids %s", event_ids)
|
||||
|
||||
# map from state group id to the state in that state group (where
|
||||
# 'state' is a map from state key to event id)
|
||||
# dict[int, dict[(str, str), str]]
|
||||
state_groups_ids = yield self.store.get_state_groups_ids(
|
||||
room_id, event_ids
|
||||
)
|
||||
@ -320,11 +323,15 @@ class StateHandler(object):
|
||||
"Resolving state for %s with %d groups", room_id, len(state_groups_ids)
|
||||
)
|
||||
|
||||
# build a map from state key to the event_ids which set that state.
|
||||
# dict[(str, str), set[str])
|
||||
state = {}
|
||||
for st in state_groups_ids.values():
|
||||
for key, e_id in st.items():
|
||||
state.setdefault(key, set()).add(e_id)
|
||||
|
||||
# build a map from state key to the event_ids which set that state,
|
||||
# including only those where there are state keys in conflict.
|
||||
conflicted_state = {
|
||||
k: list(v)
|
||||
for k, v in state.items()
|
||||
@ -494,8 +501,14 @@ def _resolve_with_state_fac(unconflicted_state, conflicted_state,
|
||||
|
||||
logger.info("Asking for %d conflicted events", len(needed_events))
|
||||
|
||||
# dict[str, FrozenEvent]: a map from state event id to event. Only includes
|
||||
# the state events which are in conflict.
|
||||
state_map = yield state_map_factory(needed_events)
|
||||
|
||||
# get the ids of the auth events which allow us to authenticate the
|
||||
# conflicted state, picking only from the unconflicting state.
|
||||
#
|
||||
# dict[(str, str), str]: a map from state key to event id
|
||||
auth_events = _create_auth_events_from_maps(
|
||||
unconflicted_state, conflicted_state, state_map
|
||||
)
|
||||
|
||||
@ -19,7 +19,7 @@ from twisted.internet import defer, reactor
|
||||
from .logcontext import (
|
||||
PreserveLoggingContext, preserve_fn, preserve_context_over_deferred,
|
||||
)
|
||||
from synapse.util import unwrapFirstError
|
||||
from synapse.util import logcontext, unwrapFirstError
|
||||
|
||||
from contextlib import contextmanager
|
||||
|
||||
@ -155,7 +155,7 @@ def concurrently_execute(func, args, limit):
|
||||
except StopIteration:
|
||||
pass
|
||||
|
||||
return preserve_context_over_deferred(defer.gatherResults([
|
||||
return logcontext.make_deferred_yieldable(defer.gatherResults([
|
||||
preserve_fn(_concurrently_execute_inner)()
|
||||
for _ in xrange(limit)
|
||||
], consumeErrors=True)).addErrback(unwrapFirstError)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user