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remove spurious federation checks on localhost
There's really no point in checking for destinations called "localhost" because there is nothing stopping people creating other DNS entries which point to 127.0.0.1. The right fix for this is https://github.com/matrix-org/synapse/issues/3953. Blocking localhost, on the other hand, means that you get a surprise when trying to connect a test server on localhost to an existing server (with a 'normal' server_name).
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@ -137,26 +137,6 @@ class TransactionQueue(object):
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self._processing_pending_presence = False
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def can_send_to(self, destination):
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"""Can we send messages to the given server?
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We can't send messages to ourselves. If we are running on localhost
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then we can only federation with other servers running on localhost.
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Otherwise we only federate with servers on a public domain.
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Args:
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destination(str): The server we are possibly trying to send to.
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Returns:
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bool: True if we can send to the server.
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"""
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if destination == self.server_name:
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return False
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if self.server_name.startswith("localhost"):
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return destination.startswith("localhost")
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else:
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return not destination.startswith("localhost")
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def notify_new_events(self, current_id):
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"""This gets called when we have some new events we might want to
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send out to other servers.
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@ -279,10 +259,7 @@ class TransactionQueue(object):
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self._order += 1
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destinations = set(destinations)
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destinations = set(
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dest for dest in destinations if self.can_send_to(dest)
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)
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destinations.discard(self.server_name)
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logger.debug("Sending to: %s", str(destinations))
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if not destinations:
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@ -358,7 +335,7 @@ class TransactionQueue(object):
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for destinations, states in hosts_and_states:
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for destination in destinations:
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if not self.can_send_to(destination):
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if destination == self.server_name:
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continue
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self.pending_presence_by_dest.setdefault(
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@ -377,7 +354,8 @@ class TransactionQueue(object):
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content=content,
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)
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if not self.can_send_to(destination):
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if not destination == self.server_name:
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logger.info("Not sending EDU to ourselves")
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return
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sent_edus_counter.inc()
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@ -392,11 +370,8 @@ class TransactionQueue(object):
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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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return
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if not self.can_send_to(destination):
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return
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if destination == self.server_name:
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logger.info("Not sending device update to ourselves")
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self._attempt_new_transaction(destination)
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