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Add type hints to room member handlers (#7513)

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Patrick Cloke 2020-05-15 15:05:25 -04:00 committed by GitHub
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4 changed files with 176 additions and 139 deletions
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changelog.d/7513.misc Normal file
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@ -0,0 +1 @@
Add type hints to room member handler.

284
synapse/handlers/room_member.py
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@ -17,13 +17,16 @@
import abc
import logging
from typing import Dict, Iterable, List, Optional, Tuple, Union
from six.moves import http_client
from synapse import types
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import AuthError, Codes, SynapseError
from synapse.types import Collection, RoomID, UserID
from synapse.events import EventBase
from synapse.events.snapshot import EventContext
from synapse.types import Collection, Requester, RoomAlias, RoomID, UserID
from synapse.util.async_helpers import Linearizer
from synapse.util.distributor import user_joined_room, user_left_room
@ -74,84 +77,84 @@ class RoomMemberHandler(object):
self.base_handler = BaseHandler(hs)
@abc.abstractmethod
async def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
async def _remote_join(
self,
requester: Requester,
remote_room_hosts: List[str],
room_id: str,
user: UserID,
content: dict,
) -> Optional[dict]:
"""Try and join a room that this server is not in
Args:
requester (Requester)
remote_room_hosts (list[str]): List of servers that can be used
to join via.
room_id (str): Room that we are trying to join
user (UserID): User who is trying to join
content (dict): A dict that should be used as the content of the
join event.
Returns:
Deferred
requester
remote_room_hosts: List of servers that can be used to join via.
room_id: Room that we are trying to join
user: User who is trying to join
content: A dict that should be used as the content of the join event.
"""
raise NotImplementedError()
@abc.abstractmethod
async def _remote_reject_invite(
self, requester, remote_room_hosts, room_id, target, content
):
self,
requester: Requester,
remote_room_hosts: List[str],
room_id: str,
target: UserID,
content: dict,
) -> dict:
"""Attempt to reject an invite for a room this server is not in. If we
fail to do so we locally mark the invite as rejected.
Args:
requester (Requester)
remote_room_hosts (list[str]): List of servers to use to try and
reject invite
room_id (str)
target (UserID): The user rejecting the invite
content (dict): The content for the rejection event
requester
remote_room_hosts: List of servers to use to try and reject invite
room_id
target: The user rejecting the invite
content: The content for the rejection event
Returns:
Deferred[dict]: A dictionary to be returned to the client, may
A dictionary to be returned to the client, may
include event_id etc, or nothing if we locally rejected
"""
raise NotImplementedError()
@abc.abstractmethod
async def _user_joined_room(self, target, room_id):
async def _user_joined_room(self, target: UserID, room_id: str) -> None:
"""Notifies distributor on master process that the user has joined the
room.
Args:
target (UserID)
room_id (str)
Returns:
None
target
room_id
"""
raise NotImplementedError()
@abc.abstractmethod
async def _user_left_room(self, target, room_id):
async def _user_left_room(self, target: UserID, room_id: str) -> None:
"""Notifies distributor on master process that the user has left the
room.
Args:
target (UserID)
room_id (str)
Returns:
None
target
room_id
"""
raise NotImplementedError()
async def _local_membership_update(
self,
requester,
target,
room_id,
membership,
requester: Requester,
target: UserID,
room_id: str,
membership: str,
prev_event_ids: Collection[str],
txn_id=None,
ratelimit=True,
content=None,
require_consent=True,
):
txn_id: Optional[str] = None,
ratelimit: bool = True,
content: Optional[dict] = None,
require_consent: bool = True,
) -> EventBase:
user_id = target.to_string()
if content is None:
@ -214,16 +217,13 @@ class RoomMemberHandler(object):
async def copy_room_tags_and_direct_to_room(
self, old_room_id, new_room_id, user_id
):
) -> None:
"""Copies the tags and direct room state from one room to another.
Args:
old_room_id (str)
new_room_id (str)
user_id (str)
Returns:
Deferred[None]
old_room_id: The room ID of the old room.
new_room_id: The room ID of the new room.
user_id: The user's ID.
"""
# Retrieve user account data for predecessor room
user_account_data, _ = await self.store.get_account_data_for_user(user_id)
@ -253,17 +253,17 @@ class RoomMemberHandler(object):
async def update_membership(
self,
requester,
target,
room_id,
action,
txn_id=None,
remote_room_hosts=None,
third_party_signed=None,
ratelimit=True,
content=None,
require_consent=True,
):
requester: Requester,
target: UserID,
room_id: str,
action: str,
txn_id: Optional[str] = None,
remote_room_hosts: Optional[List[str]] = None,
third_party_signed: Optional[dict] = None,
ratelimit: bool = True,
content: Optional[dict] = None,
require_consent: bool = True,
) -> Union[EventBase, Optional[dict]]:
key = (room_id,)
with (await self.member_linearizer.queue(key)):
@ -284,17 +284,17 @@ class RoomMemberHandler(object):
async def _update_membership(
self,
requester,
target,
room_id,
action,
txn_id=None,
remote_room_hosts=None,
third_party_signed=None,
ratelimit=True,
content=None,
require_consent=True,
):
requester: Requester,
target: UserID,
room_id: str,
action: str,
txn_id: Optional[str] = None,
remote_room_hosts: Optional[List[str]] = None,
third_party_signed: Optional[dict] = None,
ratelimit: bool = True,
content: Optional[dict] = None,
require_consent: bool = True,
) -> Union[EventBase, Optional[dict]]:
content_specified = bool(content)
if content is None:
content = {}
@ -468,12 +468,11 @@ class RoomMemberHandler(object):
else:
# send the rejection to the inviter's HS.
remote_room_hosts = remote_room_hosts + [inviter.domain]
res = await self._remote_reject_invite(
return await self._remote_reject_invite(
requester, remote_room_hosts, room_id, target, content,
)
return res
res = await self._local_membership_update(
return await self._local_membership_update(
requester=requester,
target=target,
room_id=room_id,
@ -484,9 +483,10 @@ class RoomMemberHandler(object):
content=content,
require_consent=require_consent,
)
return res
async def transfer_room_state_on_room_upgrade(self, old_room_id, room_id):
async def transfer_room_state_on_room_upgrade(
self, old_room_id: str, room_id: str
) -> None:
"""Upon our server becoming aware of an upgraded room, either by upgrading a room
ourselves or joining one, we can transfer over information from the previous room.
@ -494,12 +494,8 @@ class RoomMemberHandler(object):
well as migrating the room directory state.
Args:
old_room_id (str): The ID of the old room
room_id (str): The ID of the new room
Returns:
Deferred
old_room_id: The ID of the old room
room_id: The ID of the new room
"""
logger.info("Transferring room state from %s to %s", old_room_id, room_id)
@ -526,17 +522,16 @@ class RoomMemberHandler(object):
# Remove the old room from those groups
await self.store.remove_room_from_group(group_id, old_room_id)
async def copy_user_state_on_room_upgrade(self, old_room_id, new_room_id, user_ids):
async def copy_user_state_on_room_upgrade(
self, old_room_id: str, new_room_id: str, user_ids: Iterable[str]
) -> None:
"""Copy user-specific information when they join a new room when that new room is the
result of a room upgrade
Args:
old_room_id (str): The ID of upgraded room
new_room_id (str): The ID of the new room
user_ids (Iterable[str]): User IDs to copy state for
Returns:
Deferred
old_room_id: The ID of upgraded room
new_room_id: The ID of the new room
user_ids: User IDs to copy state for
"""
logger.debug(
@ -566,17 +561,23 @@ class RoomMemberHandler(object):
)
continue
async def send_membership_event(self, requester, event, context, ratelimit=True):
async def send_membership_event(
self,
requester: Requester,
event: EventBase,
context: EventContext,
ratelimit: bool = True,
):
"""
Change the membership status of a user in a room.
Args:
requester (Requester): The local user who requested the membership
requester: The local user who requested the membership
event. If None, certain checks, like whether this homeserver can
act as the sender, will be skipped.
event (SynapseEvent): The membership event.
event: The membership event.
context: The context of the event.
ratelimit (bool): Whether to rate limit this request.
ratelimit: Whether to rate limit this request.
Raises:
SynapseError if there was a problem changing the membership.
"""
@ -636,7 +637,9 @@ class RoomMemberHandler(object):
if prev_member_event.membership == Membership.JOIN:
await self._user_left_room(target_user, room_id)
async def _can_guest_join(self, current_state_ids):
async def _can_guest_join(
self, current_state_ids: Dict[Tuple[str, str], str]
) -> bool:
"""
Returns whether a guest can join a room based on its current state.
"""
@ -653,12 +656,14 @@ class RoomMemberHandler(object):
and guest_access.content["guest_access"] == "can_join"
)
async def lookup_room_alias(self, room_alias):
async def lookup_room_alias(
self, room_alias: RoomAlias
) -> Tuple[RoomID, List[str]]:
"""
Get the room ID associated with a room alias.
Args:
room_alias (RoomAlias): The alias to look up.
room_alias: The alias to look up.
Returns:
A tuple of:
The room ID as a RoomID object.
@ -682,24 +687,25 @@ class RoomMemberHandler(object):
return RoomID.from_string(room_id), servers
async def _get_inviter(self, user_id, room_id):
async def _get_inviter(self, user_id: str, room_id: str) -> Optional[UserID]:
invite = await self.store.get_invite_for_local_user_in_room(
user_id=user_id, room_id=room_id
)
if invite:
return UserID.from_string(invite.sender)
return None
async def do_3pid_invite(
self,
room_id,
inviter,
medium,
address,
id_server,
requester,
txn_id,
id_access_token=None,
):
room_id: str,
inviter: UserID,
medium: str,
address: str,
id_server: str,
requester: Requester,
txn_id: Optional[str],
id_access_token: Optional[str] = None,
) -> None:
if self.config.block_non_admin_invites:
is_requester_admin = await self.auth.is_server_admin(requester.user)
if not is_requester_admin:
@ -748,15 +754,15 @@ class RoomMemberHandler(object):
async def _make_and_store_3pid_invite(
self,
requester,
id_server,
medium,
address,
room_id,
user,
txn_id,
id_access_token=None,
):
requester: Requester,
id_server: str,
medium: str,
address: str,
room_id: str,
user: UserID,
txn_id: Optional[str],
id_access_token: Optional[str] = None,
) -> None:
room_state = await self.state_handler.get_current_state(room_id)
inviter_display_name = ""
@ -830,7 +836,9 @@ class RoomMemberHandler(object):
txn_id=txn_id,
)
async def _is_host_in_room(self, current_state_ids):
async def _is_host_in_room(
self, current_state_ids: Dict[Tuple[str, str], str]
) -> bool:
# Have we just created the room, and is this about to be the very
# first member event?
create_event_id = current_state_ids.get(("m.room.create", ""))
@ -852,7 +860,7 @@ class RoomMemberHandler(object):
return False
async def _is_server_notice_room(self, room_id):
async def _is_server_notice_room(self, room_id: str) -> bool:
if self._server_notices_mxid is None:
return False
user_ids = await self.store.get_users_in_room(room_id)
@ -867,13 +875,15 @@ class RoomMemberMasterHandler(RoomMemberHandler):
self.distributor.declare("user_joined_room")
self.distributor.declare("user_left_room")
async def _is_remote_room_too_complex(self, room_id, remote_room_hosts):
async def _is_remote_room_too_complex(
self, room_id: str, remote_room_hosts: List[str]
) -> Optional[bool]:
"""
Check if complexity of a remote room is too great.
Args:
room_id (str)
remote_room_hosts (list[str])
room_id
remote_room_hosts
Returns: bool of whether the complexity is too great, or None
if unable to be fetched
@ -887,21 +897,26 @@ class RoomMemberMasterHandler(RoomMemberHandler):
return complexity["v1"] > max_complexity
return None
async def _is_local_room_too_complex(self, room_id):
async def _is_local_room_too_complex(self, room_id: str) -> bool:
"""
Check if the complexity of a local room is too great.
Args:
room_id (str)
Returns: bool
room_id: The room ID to check for complexity.
"""
max_complexity = self.hs.config.limit_remote_rooms.complexity
complexity = await self.store.get_room_complexity(room_id)
return complexity["v1"] > max_complexity
async def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
async def _remote_join(
self,
requester: Requester,
remote_room_hosts: List[str],
room_id: str,
user: UserID,
content: dict,
) -> None:
"""Implements RoomMemberHandler._remote_join
"""
# filter ourselves out of remote_room_hosts: do_invite_join ignores it
@ -961,8 +976,13 @@ class RoomMemberMasterHandler(RoomMemberHandler):
)
async def _remote_reject_invite(
self, requester, remote_room_hosts, room_id, target, content
):
self,
requester: Requester,
remote_room_hosts: List[str],
room_id: str,
target: UserID,
content: dict,
) -> dict:
"""Implements RoomMemberHandler._remote_reject_invite
"""
fed_handler = self.federation_handler
@ -983,17 +1003,17 @@ class RoomMemberMasterHandler(RoomMemberHandler):
await self.store.locally_reject_invite(target.to_string(), room_id)
return {}
async def _user_joined_room(self, target, room_id):
async def _user_joined_room(self, target: UserID, room_id: str) -> None:
"""Implements RoomMemberHandler._user_joined_room
"""
return user_joined_room(self.distributor, target, room_id)
user_joined_room(self.distributor, target, room_id)
async def _user_left_room(self, target, room_id):
async def _user_left_room(self, target: UserID, room_id: str) -> None:
"""Implements RoomMemberHandler._user_left_room
"""
return user_left_room(self.distributor, target, room_id)
user_left_room(self.distributor, target, room_id)
async def forget(self, user, room_id):
async def forget(self, user: UserID, room_id: str) -> None:
user_id = user.to_string()
member = await self.state_handler.get_current_state(

28
synapse/handlers/room_member_worker.py
View File

@ -14,6 +14,7 @@
# limitations under the License.
import logging
from typing import List, Optional
from synapse.api.errors import SynapseError
from synapse.handlers.room_member import RoomMemberHandler
@ -22,6 +23,7 @@ from synapse.replication.http.membership import (
ReplicationRemoteRejectInviteRestServlet as ReplRejectInvite,
ReplicationUserJoinedLeftRoomRestServlet as ReplJoinedLeft,
)
from synapse.types import Requester, UserID
logger = logging.getLogger(__name__)
@ -34,7 +36,14 @@ class RoomMemberWorkerHandler(RoomMemberHandler):
self._remote_reject_client = ReplRejectInvite.make_client(hs)
self._notify_change_client = ReplJoinedLeft.make_client(hs)
async def _remote_join(self, requester, remote_room_hosts, room_id, user, content):
async def _remote_join(
self,
requester: Requester,
remote_room_hosts: List[str],
room_id: str,
user: UserID,
content: dict,
) -> Optional[dict]:
"""Implements RoomMemberHandler._remote_join
"""
if len(remote_room_hosts) == 0:
@ -53,8 +62,13 @@ class RoomMemberWorkerHandler(RoomMemberHandler):
return ret
async def _remote_reject_invite(
self, requester, remote_room_hosts, room_id, target, content
):
self,
requester: Requester,
remote_room_hosts: List[str],
room_id: str,
target: UserID,
content: dict,
) -> dict:
"""Implements RoomMemberHandler._remote_reject_invite
"""
return await self._remote_reject_client(
@ -65,16 +79,16 @@ class RoomMemberWorkerHandler(RoomMemberHandler):
content=content,
)
async def _user_joined_room(self, target, room_id):
async def _user_joined_room(self, target: UserID, room_id: str) -> None:
"""Implements RoomMemberHandler._user_joined_room
"""
return await self._notify_change_client(
await self._notify_change_client(
user_id=target.to_string(), room_id=room_id, change="joined"
)
async def _user_left_room(self, target, room_id):
async def _user_left_room(self, target: UserID, room_id: str) -> None:
"""Implements RoomMemberHandler._user_left_room
"""
return await self._notify_change_client(
await self._notify_change_client(
user_id=target.to_string(), room_id=room_id, change="left"
)

2
tox.ini
View File

@ -188,6 +188,8 @@ commands = mypy \
synapse/handlers/directory.py \
synapse/handlers/oidc_handler.py \
synapse/handlers/presence.py \
synapse/handlers/room_member.py \
synapse/handlers/room_member_worker.py \
synapse/handlers/saml_handler.py \
synapse/handlers/sync.py \
synapse/handlers/ui_auth \