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https://github.com/element-hq/synapse.git
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Split RoomMemberHandler into base and master class
The intention here is to split the class into the bits that can be done on workers and the bits that have to be done on the master. In future there will also be a class that can be run on the worker, which will delegate work to the master when necessary.
This commit is contained in:
Erik Johnston
parent
bf8e97bd3c
commit
b78717b87b
2 changed files with 139 additions and 98 deletions
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@ -14,9 +14,6 @@
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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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import logging
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from signedjson.key import decode_verify_key_bytes
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from signedjson.sign import verify_signed_json
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from twisted.internet import defer
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@ -31,6 +28,10 @@ from synapse.types import UserID, RoomID
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from synapse.util.async import Linearizer
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from synapse.util.distributor import user_left_room, user_joined_room
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import abc
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import logging
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logger = logging.getLogger(__name__)
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id_server_scheme = "https://"
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@ -42,6 +43,8 @@ class RoomMemberHandler(object):
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# API that takes ID strings and returns pagination chunks. These concerns
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# ought to be separated out a lot better.
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__metaclass__ = abc.ABCMeta
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def __init__(self, hs):
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self.hs = hs
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self.store = hs.get_datastore()
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@ -62,9 +65,56 @@ class RoomMemberHandler(object):
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self.clock = hs.get_clock()
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self.spam_checker = hs.get_spam_checker()
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self.distributor = hs.get_distributor()
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self.distributor.declare("user_joined_room")
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self.distributor.declare("user_left_room")
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@abc.abstractmethod
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def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
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"""Try and join a room that this server is not in
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Args:
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remote_room_hosts (list[str]): List of servers that can be used
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to join via.
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room_id (str): Room that we are trying to join
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user (UserID): User who is trying to join
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content (dict): A dict that should be used as the content of the
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join event.
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Returns:
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Deferred
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"""
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raise NotImplementedError()
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@abc.abstractmethod
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def _remote_reject_invite(self, remote_room_hosts, room_id, target):
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"""Attempt to reject an invite for a room this server is not in. If we
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fail to do so we locally mark the invite as rejected.
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Args:
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remote_room_hosts (list[str]): List of servers to use to try and
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reject invite
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room_id (str)
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target (UserID): The user rejecting the invite
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Returns:
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Deferred[dict]: A dictionary to be returned to the client, may
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include event_id etc, or nothing if we locally rejected
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"""
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raise NotImplementedError()
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@abc.abstractmethod
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def get_or_register_3pid_guest(self, requester, medium, address, inviter_user_id):
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"""Get a guest access token for a 3PID, creating a guest account if
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one doesn't already exist.
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Args:
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medium (str)
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address (str)
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inviter_user_id (str): The user ID who is trying to invite the
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3PID
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Returns:
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Deferred[(str, str)]: A 2-tuple of `(user_id, access_token)` of the
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3PID guest account.
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"""
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raise NotImplementedError()
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@defer.inlineCallbacks
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def _local_membership_update(
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@ -137,73 +187,6 @@ class RoomMemberHandler(object):
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defer.returnValue(event)
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@defer.inlineCallbacks
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def _remote_join(self, remote_room_hosts, room_id, user, content):
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"""Try and join a room that this server is not in
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Args:
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remote_room_hosts (list[str]): List of servers that can be used
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to join via.
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room_id (str): Room that we are trying to join
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user (UserID): User who is trying to join
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content (dict): A dict that should be used as the content of the
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join event.
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Returns:
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Deferred
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"""
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if len(remote_room_hosts) == 0:
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raise SynapseError(404, "No known servers")
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# We don't do an auth check if we are doing an invite
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# join dance for now, since we're kinda implicitly checking
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# that we are allowed to join when we decide whether or not we
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# need to do the invite/join dance.
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yield self.federation_handler.do_invite_join(
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remote_room_hosts,
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room_id,
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user.to_string(),
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content,
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)
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yield user_joined_room(self.distributor, user, room_id)
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@defer.inlineCallbacks
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def _remote_reject_invite(self, remote_room_hosts, room_id, target):
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"""Attempt to reject an invite for a room this server is not in. If we
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fail to do so we locally mark the invite as rejected.
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Args:
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remote_room_hosts (list[str]): List of servers to use to try and
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reject invite
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room_id (str)
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target (UserID): The user rejecting the invite
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Returns:
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Deferred[dict]: A dictionary to be returned to the client, may
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include event_id etc, or nothing if we locally rejected
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"""
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fed_handler = self.federation_handler
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try:
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ret = yield fed_handler.do_remotely_reject_invite(
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remote_room_hosts,
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room_id,
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target.to_string(),
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)
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defer.returnValue(ret)
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except Exception as e:
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# if we were unable to reject the exception, just mark
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# it as rejected on our end and plough ahead.
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#
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# The 'except' clause is very broad, but we need to
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# capture everything from DNS failures upwards
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#
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logger.warn("Failed to reject invite: %s", e)
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yield self.store.locally_reject_invite(
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target.to_string(), room_id
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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def update_membership(
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self,
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@ -673,6 +656,7 @@ class RoomMemberHandler(object):
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token, public_keys, fallback_public_key, display_name = (
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yield self._ask_id_server_for_third_party_invite(
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requester=requester,
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id_server=id_server,
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medium=medium,
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address=address,
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@ -709,6 +693,7 @@ class RoomMemberHandler(object):
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@defer.inlineCallbacks
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def _ask_id_server_for_third_party_invite(
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self,
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requester,
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id_server,
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medium,
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address,
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@ -725,6 +710,7 @@ class RoomMemberHandler(object):
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Asks an identity server for a third party invite.
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Args:
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requester (Requester)
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id_server (str): hostname + optional port for the identity server.
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medium (str): The literal string "email".
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address (str): The third party address being invited.
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@ -767,8 +753,8 @@ class RoomMemberHandler(object):
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}
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if self.config.invite_3pid_guest:
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rh = self.registration_handler
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guest_user_id, guest_access_token = yield rh.get_or_register_3pid_guest(
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guest_access_token, guest_user_id = yield self.get_or_register_3pid_guest(
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requester=requester,
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medium=medium,
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address=address,
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inviter_user_id=inviter_user_id,
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@ -801,27 +787,6 @@ class RoomMemberHandler(object):
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display_name = data["display_name"]
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defer.returnValue((token, public_keys, fallback_public_key, display_name))
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@defer.inlineCallbacks
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def forget(self, user, room_id):
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user_id = user.to_string()
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member = yield self.state_handler.get_current_state(
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room_id=room_id,
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event_type=EventTypes.Member,
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state_key=user_id
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)
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membership = member.membership if member else None
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if membership is not None and membership not in [
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Membership.LEAVE, Membership.BAN
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]:
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raise SynapseError(400, "User %s in room %s" % (
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user_id, room_id
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))
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if membership:
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yield self.store.forget(user_id, room_id)
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@defer.inlineCallbacks
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def _is_host_in_room(self, current_state_ids):
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# Have we just created the room, and is this about to be the very
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@ -843,3 +808,77 @@ class RoomMemberHandler(object):
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defer.returnValue(True)
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defer.returnValue(False)
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class RoomMemberMasterHandler(RoomMemberHandler):
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@defer.inlineCallbacks
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def _remote_join(self, remote_room_hosts, room_id, user, content):
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"""Implements RoomMemberHandler._remote_join
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"""
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if len(remote_room_hosts) == 0:
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raise SynapseError(404, "No known servers")
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# We don't do an auth check if we are doing an invite
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# join dance for now, since we're kinda implicitly checking
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# that we are allowed to join when we decide whether or not we
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# need to do the invite/join dance.
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yield self.federation_handler.do_invite_join(
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remote_room_hosts,
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room_id,
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user.to_string(),
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content,
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)
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yield user_joined_room(self.distributor, user, room_id)
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@defer.inlineCallbacks
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def _remote_reject_invite(self, remote_room_hosts, room_id, target):
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"""Implements RoomMemberHandler._remote_reject_invite
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"""
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fed_handler = self.federation_handler
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try:
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ret = yield fed_handler.do_remotely_reject_invite(
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remote_room_hosts,
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room_id,
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target.to_string(),
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)
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defer.returnValue(ret)
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except Exception as e:
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# if we were unable to reject the exception, just mark
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# it as rejected on our end and plough ahead.
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#
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# The 'except' clause is very broad, but we need to
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# capture everything from DNS failures upwards
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#
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logger.warn("Failed to reject invite: %s", e)
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yield self.store.locally_reject_invite(
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target.to_string(), room_id
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)
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defer.returnValue({})
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def get_or_register_3pid_guest(self, requester, medium, address, inviter_user_id):
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"""Implements RoomMemberHandler.get_or_register_3pid_guest
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"""
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rg = self.registration_handler
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return rg.get_or_register_3pid_guest(medium, address, inviter_user_id)
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@defer.inlineCallbacks
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def forget(self, user, room_id):
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user_id = user.to_string()
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member = yield self.state_handler.get_current_state(
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room_id=room_id,
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event_type=EventTypes.Member,
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state_key=user_id
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)
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membership = member.membership if member else None
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if membership is not None and membership not in [
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Membership.LEAVE, Membership.BAN
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]:
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raise SynapseError(400, "User %s in room %s" % (
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user_id, room_id
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))
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if membership:
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yield self.store.forget(user_id, room_id)
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@ -46,7 +46,7 @@ from synapse.handlers.device import DeviceHandler
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from synapse.handlers.e2e_keys import E2eKeysHandler
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from synapse.handlers.presence import PresenceHandler
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from synapse.handlers.room_list import RoomListHandler
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from synapse.handlers.room_member import RoomMemberHandler
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from synapse.handlers.room_member import RoomMemberMasterHandler
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from synapse.handlers.set_password import SetPasswordHandler
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from synapse.handlers.sync import SyncHandler
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from synapse.handlers.typing import TypingHandler
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@ -387,7 +387,9 @@ class HomeServer(object):
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return SpamChecker(self)
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def build_room_member_handler(self):
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return RoomMemberHandler(self)
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if self.config.worker_app:
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return Exception("Can't use RoomMemberHandler on workers")
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return RoomMemberMasterHandler(self)
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def build_federation_registry(self):
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return FederationHandlerRegistry()
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