1006 lines
34 KiB
Python
1006 lines
34 KiB
Python
# Copyright 2017 Vector Creations Ltd
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# Copyright 2018 New Vector Ltd
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# Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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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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import logging
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from typing import TYPE_CHECKING, Optional
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from synapse.api.errors import Codes, SynapseError
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from synapse.handlers.groups_local import GroupsLocalHandler
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from synapse.handlers.profile import MAX_AVATAR_URL_LEN, MAX_DISPLAYNAME_LEN
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from synapse.types import GroupID, JsonDict, RoomID, UserID, get_domain_from_id
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from synapse.util.async_helpers import concurrently_execute
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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# TODO: Allow users to "knock" or simply join depending on rules
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# TODO: Federation admin APIs
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# TODO: is_privileged flag to users and is_public to users and rooms
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# TODO: Audit log for admins (profile updates, membership changes, users who tried
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# to join but were rejected, etc)
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# TODO: Flairs
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# Note that the maximum lengths are somewhat arbitrary.
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MAX_SHORT_DESC_LEN = 1000
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MAX_LONG_DESC_LEN = 10000
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class GroupsServerWorkerHandler:
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def __init__(self, hs: "HomeServer"):
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self.hs = hs
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self.store = hs.get_datastore()
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self.room_list_handler = hs.get_room_list_handler()
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self.auth = hs.get_auth()
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self.clock = hs.get_clock()
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self.keyring = hs.get_keyring()
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self.is_mine_id = hs.is_mine_id
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self.signing_key = hs.signing_key
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self.server_name = hs.hostname
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self.attestations = hs.get_groups_attestation_signing()
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self.transport_client = hs.get_federation_transport_client()
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self.profile_handler = hs.get_profile_handler()
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async def check_group_is_ours(
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self,
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group_id: str,
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requester_user_id: str,
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and_exists: bool = False,
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and_is_admin: Optional[str] = None,
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) -> Optional[dict]:
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"""Check that the group is ours, and optionally if it exists.
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If group does exist then return group.
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Args:
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group_id: The group ID to check.
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requester_user_id: The user ID of the requester.
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and_exists: whether to also check if group exists
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and_is_admin: whether to also check if given str is a user_id
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that is an admin
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"""
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if not self.is_mine_id(group_id):
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raise SynapseError(400, "Group not on this server")
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group = await self.store.get_group(group_id)
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if and_exists and not group:
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raise SynapseError(404, "Unknown group")
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is_user_in_group = await self.store.is_user_in_group(
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requester_user_id, group_id
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)
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if group and not is_user_in_group and not group["is_public"]:
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raise SynapseError(404, "Unknown group")
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if and_is_admin:
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is_admin = await self.store.is_user_admin_in_group(group_id, and_is_admin)
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if not is_admin:
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raise SynapseError(403, "User is not admin in group")
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return group
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async def get_group_summary(
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self, group_id: str, requester_user_id: str
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) -> JsonDict:
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"""Get the summary for a group as seen by requester_user_id.
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The group summary consists of the profile of the room, and a curated
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list of users and rooms. These list *may* be organised by role/category.
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The roles/categories are ordered, and so are the users/rooms within them.
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A user/room may appear in multiple roles/categories.
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"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = await self.store.is_user_in_group(
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requester_user_id, group_id
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)
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profile = await self.get_group_profile(group_id, requester_user_id)
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users, roles = await self.store.get_users_for_summary_by_role(
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group_id, include_private=is_user_in_group
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)
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# TODO: Add profiles to users
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rooms, categories = await self.store.get_rooms_for_summary_by_category(
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group_id, include_private=is_user_in_group
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)
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for room_entry in rooms:
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room_id = room_entry["room_id"]
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joined_users = await self.store.get_users_in_room(room_id)
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entry = await self.room_list_handler.generate_room_entry(
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room_id, len(joined_users), with_alias=False, allow_private=True
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)
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if entry is None:
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continue
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entry = dict(entry) # so we don't change what's cached
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entry.pop("room_id", None)
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room_entry["profile"] = entry
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rooms.sort(key=lambda e: e.get("order", 0))
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for user in users:
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user_id = user["user_id"]
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if not self.is_mine_id(requester_user_id):
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attestation = await self.store.get_remote_attestation(group_id, user_id)
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if not attestation:
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continue
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user["attestation"] = attestation
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else:
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user["attestation"] = self.attestations.create_attestation(
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group_id, user_id
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)
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user_profile = await self.profile_handler.get_profile_from_cache(user_id)
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user.update(user_profile)
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users.sort(key=lambda e: e.get("order", 0))
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membership_info = await self.store.get_users_membership_info_in_group(
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group_id, requester_user_id
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)
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return {
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"profile": profile,
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"users_section": {
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"users": users,
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"roles": roles,
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"total_user_count_estimate": 0, # TODO
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},
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"rooms_section": {
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"rooms": rooms,
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"categories": categories,
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"total_room_count_estimate": 0, # TODO
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},
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"user": membership_info,
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}
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async def get_group_categories(
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self, group_id: str, requester_user_id: str
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) -> JsonDict:
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"""Get all categories in a group (as seen by user)"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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categories = await self.store.get_group_categories(group_id=group_id)
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return {"categories": categories}
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async def get_group_category(
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self, group_id: str, requester_user_id: str, category_id: str
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) -> JsonDict:
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"""Get a specific category in a group (as seen by user)"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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return await self.store.get_group_category(
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group_id=group_id, category_id=category_id
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)
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async def get_group_roles(self, group_id: str, requester_user_id: str) -> JsonDict:
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"""Get all roles in a group (as seen by user)"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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roles = await self.store.get_group_roles(group_id=group_id)
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return {"roles": roles}
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async def get_group_role(
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self, group_id: str, requester_user_id: str, role_id: str
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) -> JsonDict:
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"""Get a specific role in a group (as seen by user)"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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return await self.store.get_group_role(group_id=group_id, role_id=role_id)
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async def get_group_profile(
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self, group_id: str, requester_user_id: str
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) -> JsonDict:
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"""Get the group profile as seen by requester_user_id"""
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await self.check_group_is_ours(group_id, requester_user_id)
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group = await self.store.get_group(group_id)
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if group:
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cols = [
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"name",
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"short_description",
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"long_description",
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"avatar_url",
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"is_public",
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]
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group_description = {key: group[key] for key in cols}
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group_description["is_openly_joinable"] = group["join_policy"] == "open"
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return group_description
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else:
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raise SynapseError(404, "Unknown group")
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async def get_users_in_group(
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self, group_id: str, requester_user_id: str
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) -> JsonDict:
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"""Get the users in group as seen by requester_user_id.
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The ordering is arbitrary at the moment
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"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = await self.store.is_user_in_group(
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requester_user_id, group_id
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)
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user_results = await self.store.get_users_in_group(
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group_id, include_private=is_user_in_group
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)
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chunk = []
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for user_result in user_results:
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g_user_id = user_result["user_id"]
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is_public = user_result["is_public"]
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is_privileged = user_result["is_admin"]
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entry = {"user_id": g_user_id}
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profile = await self.profile_handler.get_profile_from_cache(g_user_id)
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entry.update(profile)
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entry["is_public"] = bool(is_public)
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entry["is_privileged"] = bool(is_privileged)
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if not self.is_mine_id(g_user_id):
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attestation = await self.store.get_remote_attestation(
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group_id, g_user_id
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)
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if not attestation:
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continue
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entry["attestation"] = attestation
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else:
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entry["attestation"] = self.attestations.create_attestation(
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group_id, g_user_id
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)
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chunk.append(entry)
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# TODO: If admin add lists of users whose attestations have timed out
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return {"chunk": chunk, "total_user_count_estimate": len(user_results)}
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async def get_invited_users_in_group(
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self, group_id: str, requester_user_id: str
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) -> JsonDict:
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"""Get the users that have been invited to a group as seen by requester_user_id.
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The ordering is arbitrary at the moment
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"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = await self.store.is_user_in_group(
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requester_user_id, group_id
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)
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if not is_user_in_group:
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raise SynapseError(403, "User not in group")
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invited_users = await self.store.get_invited_users_in_group(group_id)
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user_profiles = []
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for user_id in invited_users:
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user_profile = {"user_id": user_id}
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try:
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profile = await self.profile_handler.get_profile_from_cache(user_id)
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user_profile.update(profile)
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except Exception as e:
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logger.warning("Error getting profile for %s: %s", user_id, e)
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user_profiles.append(user_profile)
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return {"chunk": user_profiles, "total_user_count_estimate": len(invited_users)}
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async def get_rooms_in_group(
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self, group_id: str, requester_user_id: str
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) -> JsonDict:
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"""Get the rooms in group as seen by requester_user_id
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This returns rooms in order of decreasing number of joined users
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"""
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await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = await self.store.is_user_in_group(
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requester_user_id, group_id
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)
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room_results = await self.store.get_rooms_in_group(
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group_id, include_private=is_user_in_group
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)
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chunk = []
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for room_result in room_results:
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room_id = room_result["room_id"]
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joined_users = await self.store.get_users_in_room(room_id)
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entry = await self.room_list_handler.generate_room_entry(
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room_id, len(joined_users), with_alias=False, allow_private=True
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)
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if not entry:
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continue
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entry["is_public"] = bool(room_result["is_public"])
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chunk.append(entry)
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chunk.sort(key=lambda e: -e["num_joined_members"])
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return {"chunk": chunk, "total_room_count_estimate": len(room_results)}
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class GroupsServerHandler(GroupsServerWorkerHandler):
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def __init__(self, hs: "HomeServer"):
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super().__init__(hs)
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# Ensure attestations get renewed
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hs.get_groups_attestation_renewer()
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async def update_group_summary_room(
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self,
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group_id: str,
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requester_user_id: str,
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room_id: str,
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category_id: str,
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content: JsonDict,
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) -> JsonDict:
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"""Add/update a room to the group summary"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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RoomID.from_string(room_id) # Ensure valid room id
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order = content.get("order", None)
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is_public = _parse_visibility_from_contents(content)
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await self.store.add_room_to_summary(
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group_id=group_id,
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room_id=room_id,
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category_id=category_id,
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order=order,
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is_public=is_public,
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)
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return {}
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async def delete_group_summary_room(
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self, group_id: str, requester_user_id: str, room_id: str, category_id: str
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) -> JsonDict:
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"""Remove a room from the summary"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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await self.store.remove_room_from_summary(
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group_id=group_id, room_id=room_id, category_id=category_id
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)
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return {}
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async def set_group_join_policy(
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self, group_id: str, requester_user_id: str, content: JsonDict
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) -> JsonDict:
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"""Sets the group join policy.
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Currently supported policies are:
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- "invite": an invite must be received and accepted in order to join.
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- "open": anyone can join.
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"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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join_policy = _parse_join_policy_from_contents(content)
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if join_policy is None:
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raise SynapseError(400, "No value specified for 'm.join_policy'")
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await self.store.set_group_join_policy(group_id, join_policy=join_policy)
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return {}
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async def update_group_category(
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self, group_id: str, requester_user_id: str, category_id: str, content: JsonDict
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) -> JsonDict:
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"""Add/Update a group category"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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is_public = _parse_visibility_from_contents(content)
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profile = content.get("profile")
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await self.store.upsert_group_category(
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group_id=group_id,
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category_id=category_id,
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is_public=is_public,
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profile=profile,
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)
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return {}
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async def delete_group_category(
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self, group_id: str, requester_user_id: str, category_id: str
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) -> JsonDict:
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"""Delete a group category"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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await self.store.remove_group_category(
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group_id=group_id, category_id=category_id
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)
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return {}
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async def update_group_role(
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self, group_id: str, requester_user_id: str, role_id: str, content: JsonDict
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) -> JsonDict:
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"""Add/update a role in a group"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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is_public = _parse_visibility_from_contents(content)
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profile = content.get("profile")
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await self.store.upsert_group_role(
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group_id=group_id, role_id=role_id, is_public=is_public, profile=profile
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)
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return {}
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async def delete_group_role(
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self, group_id: str, requester_user_id: str, role_id: str
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) -> JsonDict:
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"""Remove role from group"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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await self.store.remove_group_role(group_id=group_id, role_id=role_id)
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return {}
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async def update_group_summary_user(
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self,
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group_id: str,
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requester_user_id: str,
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user_id: str,
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role_id: str,
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content: JsonDict,
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) -> JsonDict:
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"""Add/update a users entry in the group summary"""
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await self.check_group_is_ours(
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group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
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)
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|
|
order = content.get("order", None)
|
|
|
|
is_public = _parse_visibility_from_contents(content)
|
|
|
|
await self.store.add_user_to_summary(
|
|
group_id=group_id,
|
|
user_id=user_id,
|
|
role_id=role_id,
|
|
order=order,
|
|
is_public=is_public,
|
|
)
|
|
|
|
return {}
|
|
|
|
async def delete_group_summary_user(
|
|
self, group_id: str, requester_user_id: str, user_id: str, role_id: str
|
|
) -> JsonDict:
|
|
"""Remove a user from the group summary"""
|
|
await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
await self.store.remove_user_from_summary(
|
|
group_id=group_id, user_id=user_id, role_id=role_id
|
|
)
|
|
|
|
return {}
|
|
|
|
async def update_group_profile(
|
|
self, group_id: str, requester_user_id: str, content: JsonDict
|
|
) -> None:
|
|
"""Update the group profile"""
|
|
await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
profile = {}
|
|
for keyname, max_length in (
|
|
("name", MAX_DISPLAYNAME_LEN),
|
|
("avatar_url", MAX_AVATAR_URL_LEN),
|
|
("short_description", MAX_SHORT_DESC_LEN),
|
|
("long_description", MAX_LONG_DESC_LEN),
|
|
):
|
|
if keyname in content:
|
|
value = content[keyname]
|
|
if not isinstance(value, str):
|
|
raise SynapseError(
|
|
400,
|
|
"%r value is not a string" % (keyname,),
|
|
errcode=Codes.INVALID_PARAM,
|
|
)
|
|
if len(value) > max_length:
|
|
raise SynapseError(
|
|
400,
|
|
"Invalid %s parameter" % (keyname,),
|
|
errcode=Codes.INVALID_PARAM,
|
|
)
|
|
profile[keyname] = value
|
|
|
|
await self.store.update_group_profile(group_id, profile)
|
|
|
|
async def add_room_to_group(
|
|
self, group_id: str, requester_user_id: str, room_id: str, content: JsonDict
|
|
) -> JsonDict:
|
|
"""Add room to group"""
|
|
RoomID.from_string(room_id) # Ensure valid room id
|
|
|
|
await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
is_public = _parse_visibility_from_contents(content)
|
|
|
|
await self.store.add_room_to_group(group_id, room_id, is_public=is_public)
|
|
|
|
return {}
|
|
|
|
async def update_room_in_group(
|
|
self,
|
|
group_id: str,
|
|
requester_user_id: str,
|
|
room_id: str,
|
|
config_key: str,
|
|
content: JsonDict,
|
|
) -> JsonDict:
|
|
"""Update room in group"""
|
|
RoomID.from_string(room_id) # Ensure valid room id
|
|
|
|
await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
if config_key == "m.visibility":
|
|
is_public = _parse_visibility_dict(content)
|
|
|
|
await self.store.update_room_in_group_visibility(
|
|
group_id, room_id, is_public=is_public
|
|
)
|
|
else:
|
|
raise SynapseError(400, "Unknown config option")
|
|
|
|
return {}
|
|
|
|
async def remove_room_from_group(
|
|
self, group_id: str, requester_user_id: str, room_id: str
|
|
) -> JsonDict:
|
|
"""Remove room from group"""
|
|
await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
await self.store.remove_room_from_group(group_id, room_id)
|
|
|
|
return {}
|
|
|
|
async def invite_to_group(
|
|
self, group_id: str, user_id: str, requester_user_id: str, content: JsonDict
|
|
) -> JsonDict:
|
|
"""Invite user to group"""
|
|
|
|
group = await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
if not group:
|
|
raise SynapseError(400, "Group does not exist", errcode=Codes.BAD_STATE)
|
|
|
|
# TODO: Check if user knocked
|
|
|
|
invited_users = await self.store.get_invited_users_in_group(group_id)
|
|
if user_id in invited_users:
|
|
raise SynapseError(
|
|
400, "User already invited to group", errcode=Codes.BAD_STATE
|
|
)
|
|
|
|
user_results = await self.store.get_users_in_group(
|
|
group_id, include_private=True
|
|
)
|
|
if user_id in (user_result["user_id"] for user_result in user_results):
|
|
raise SynapseError(400, "User already in group")
|
|
|
|
content = {
|
|
"profile": {"name": group["name"], "avatar_url": group["avatar_url"]},
|
|
"inviter": requester_user_id,
|
|
}
|
|
|
|
if self.hs.is_mine_id(user_id):
|
|
groups_local = self.hs.get_groups_local_handler()
|
|
assert isinstance(
|
|
groups_local, GroupsLocalHandler
|
|
), "Workers cannot invites users to groups."
|
|
res = await groups_local.on_invite(group_id, user_id, content)
|
|
local_attestation = None
|
|
else:
|
|
local_attestation = self.attestations.create_attestation(group_id, user_id)
|
|
content.update({"attestation": local_attestation})
|
|
|
|
res = await self.transport_client.invite_to_group_notification(
|
|
get_domain_from_id(user_id), group_id, user_id, content
|
|
)
|
|
|
|
user_profile = res.get("user_profile", {})
|
|
await self.store.add_remote_profile_cache(
|
|
user_id,
|
|
displayname=user_profile.get("displayname"),
|
|
avatar_url=user_profile.get("avatar_url"),
|
|
)
|
|
|
|
if res["state"] == "join":
|
|
if not self.hs.is_mine_id(user_id):
|
|
remote_attestation = res["attestation"]
|
|
|
|
await self.attestations.verify_attestation(
|
|
remote_attestation, user_id=user_id, group_id=group_id
|
|
)
|
|
else:
|
|
remote_attestation = None
|
|
|
|
await self.store.add_user_to_group(
|
|
group_id,
|
|
user_id,
|
|
is_admin=False,
|
|
is_public=False, # TODO
|
|
local_attestation=local_attestation,
|
|
remote_attestation=remote_attestation,
|
|
)
|
|
return {"state": "join"}
|
|
elif res["state"] == "invite":
|
|
await self.store.add_group_invite(group_id, user_id)
|
|
return {"state": "invite"}
|
|
elif res["state"] == "reject":
|
|
return {"state": "reject"}
|
|
else:
|
|
raise SynapseError(502, "Unknown state returned by HS")
|
|
|
|
async def _add_user(
|
|
self, group_id: str, user_id: str, content: JsonDict
|
|
) -> Optional[JsonDict]:
|
|
"""Add a user to a group based on a content dict.
|
|
|
|
See accept_invite, join_group.
|
|
"""
|
|
if not self.hs.is_mine_id(user_id):
|
|
local_attestation = self.attestations.create_attestation(
|
|
group_id, user_id
|
|
) # type: Optional[JsonDict]
|
|
|
|
remote_attestation = content["attestation"]
|
|
|
|
await self.attestations.verify_attestation(
|
|
remote_attestation, user_id=user_id, group_id=group_id
|
|
)
|
|
else:
|
|
local_attestation = None
|
|
remote_attestation = None
|
|
|
|
is_public = _parse_visibility_from_contents(content)
|
|
|
|
await self.store.add_user_to_group(
|
|
group_id,
|
|
user_id,
|
|
is_admin=False,
|
|
is_public=is_public,
|
|
local_attestation=local_attestation,
|
|
remote_attestation=remote_attestation,
|
|
)
|
|
|
|
return local_attestation
|
|
|
|
async def accept_invite(
|
|
self, group_id: str, requester_user_id: str, content: JsonDict
|
|
) -> JsonDict:
|
|
"""User tries to accept an invite to the group.
|
|
|
|
This is different from them asking to join, and so should error if no
|
|
invite exists (and they're not a member of the group)
|
|
"""
|
|
|
|
await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
is_invited = await self.store.is_user_invited_to_local_group(
|
|
group_id, requester_user_id
|
|
)
|
|
if not is_invited:
|
|
raise SynapseError(403, "User not invited to group")
|
|
|
|
local_attestation = await self._add_user(group_id, requester_user_id, content)
|
|
|
|
return {"state": "join", "attestation": local_attestation}
|
|
|
|
async def join_group(
|
|
self, group_id: str, requester_user_id: str, content: JsonDict
|
|
) -> JsonDict:
|
|
"""User tries to join the group.
|
|
|
|
This will error if the group requires an invite/knock to join
|
|
"""
|
|
|
|
group_info = await self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True
|
|
)
|
|
if not group_info:
|
|
raise SynapseError(404, "Group does not exist", errcode=Codes.NOT_FOUND)
|
|
if group_info["join_policy"] != "open":
|
|
raise SynapseError(403, "Group is not publicly joinable")
|
|
|
|
local_attestation = await self._add_user(group_id, requester_user_id, content)
|
|
|
|
return {"state": "join", "attestation": local_attestation}
|
|
|
|
async def remove_user_from_group(
|
|
self, group_id: str, user_id: str, requester_user_id: str, content: JsonDict
|
|
) -> JsonDict:
|
|
"""Remove a user from the group; either a user is leaving or an admin
|
|
kicked them.
|
|
"""
|
|
|
|
await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
is_kick = False
|
|
if requester_user_id != user_id:
|
|
is_admin = await self.store.is_user_admin_in_group(
|
|
group_id, requester_user_id
|
|
)
|
|
if not is_admin:
|
|
raise SynapseError(403, "User is not admin in group")
|
|
|
|
is_kick = True
|
|
|
|
await self.store.remove_user_from_group(group_id, user_id)
|
|
|
|
if is_kick:
|
|
if self.hs.is_mine_id(user_id):
|
|
groups_local = self.hs.get_groups_local_handler()
|
|
assert isinstance(
|
|
groups_local, GroupsLocalHandler
|
|
), "Workers cannot remove users from groups."
|
|
await groups_local.user_removed_from_group(group_id, user_id, {})
|
|
else:
|
|
await self.transport_client.remove_user_from_group_notification(
|
|
get_domain_from_id(user_id), group_id, user_id, {}
|
|
)
|
|
|
|
if not self.hs.is_mine_id(user_id):
|
|
await self.store.maybe_delete_remote_profile_cache(user_id)
|
|
|
|
# Delete group if the last user has left
|
|
users = await self.store.get_users_in_group(group_id, include_private=True)
|
|
if not users:
|
|
await self.store.delete_group(group_id)
|
|
|
|
return {}
|
|
|
|
async def create_group(
|
|
self, group_id: str, requester_user_id: str, content: JsonDict
|
|
) -> JsonDict:
|
|
logger.info("Attempting to create group with ID: %r", group_id)
|
|
|
|
# parsing the id into a GroupID validates it.
|
|
group_id_obj = GroupID.from_string(group_id)
|
|
|
|
group = await self.check_group_is_ours(group_id, requester_user_id)
|
|
if group:
|
|
raise SynapseError(400, "Group already exists")
|
|
|
|
is_admin = await self.auth.is_server_admin(
|
|
UserID.from_string(requester_user_id)
|
|
)
|
|
if not is_admin:
|
|
if not self.hs.config.enable_group_creation:
|
|
raise SynapseError(
|
|
403, "Only a server admin can create groups on this server"
|
|
)
|
|
localpart = group_id_obj.localpart
|
|
if not localpart.startswith(self.hs.config.group_creation_prefix):
|
|
raise SynapseError(
|
|
400,
|
|
"Can only create groups with prefix %r on this server"
|
|
% (self.hs.config.group_creation_prefix,),
|
|
)
|
|
|
|
profile = content.get("profile", {})
|
|
name = profile.get("name")
|
|
avatar_url = profile.get("avatar_url")
|
|
short_description = profile.get("short_description")
|
|
long_description = profile.get("long_description")
|
|
user_profile = content.get("user_profile", {})
|
|
|
|
await self.store.create_group(
|
|
group_id,
|
|
requester_user_id,
|
|
name=name,
|
|
avatar_url=avatar_url,
|
|
short_description=short_description,
|
|
long_description=long_description,
|
|
)
|
|
|
|
if not self.hs.is_mine_id(requester_user_id):
|
|
remote_attestation = content["attestation"]
|
|
|
|
await self.attestations.verify_attestation(
|
|
remote_attestation, user_id=requester_user_id, group_id=group_id
|
|
)
|
|
|
|
local_attestation = self.attestations.create_attestation(
|
|
group_id, requester_user_id
|
|
) # type: Optional[JsonDict]
|
|
else:
|
|
local_attestation = None
|
|
remote_attestation = None
|
|
|
|
await self.store.add_user_to_group(
|
|
group_id,
|
|
requester_user_id,
|
|
is_admin=True,
|
|
is_public=True, # TODO
|
|
local_attestation=local_attestation,
|
|
remote_attestation=remote_attestation,
|
|
)
|
|
|
|
if not self.hs.is_mine_id(requester_user_id):
|
|
await self.store.add_remote_profile_cache(
|
|
requester_user_id,
|
|
displayname=user_profile.get("displayname"),
|
|
avatar_url=user_profile.get("avatar_url"),
|
|
)
|
|
|
|
return {"group_id": group_id}
|
|
|
|
async def delete_group(self, group_id: str, requester_user_id: str) -> None:
|
|
"""Deletes a group, kicking out all current members.
|
|
|
|
Only group admins or server admins can call this request
|
|
|
|
Args:
|
|
group_id: The group ID to delete.
|
|
requester_user_id: The user requesting to delete the group.
|
|
"""
|
|
|
|
await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
# Only server admins or group admins can delete groups.
|
|
|
|
is_admin = await self.store.is_user_admin_in_group(group_id, requester_user_id)
|
|
|
|
if not is_admin:
|
|
is_admin = await self.auth.is_server_admin(
|
|
UserID.from_string(requester_user_id)
|
|
)
|
|
|
|
if not is_admin:
|
|
raise SynapseError(403, "User is not an admin")
|
|
|
|
# Before deleting the group lets kick everyone out of it
|
|
users = await self.store.get_users_in_group(group_id, include_private=True)
|
|
|
|
async def _kick_user_from_group(user_id):
|
|
if self.hs.is_mine_id(user_id):
|
|
groups_local = self.hs.get_groups_local_handler()
|
|
assert isinstance(
|
|
groups_local, GroupsLocalHandler
|
|
), "Workers cannot kick users from groups."
|
|
await groups_local.user_removed_from_group(group_id, user_id, {})
|
|
else:
|
|
await self.transport_client.remove_user_from_group_notification(
|
|
get_domain_from_id(user_id), group_id, user_id, {}
|
|
)
|
|
await self.store.maybe_delete_remote_profile_cache(user_id)
|
|
|
|
# We kick users out in the order of:
|
|
# 1. Non-admins
|
|
# 2. Other admins
|
|
# 3. The requester
|
|
#
|
|
# This is so that if the deletion fails for some reason other admins or
|
|
# the requester still has auth to retry.
|
|
non_admins = []
|
|
admins = []
|
|
for u in users:
|
|
if u["user_id"] == requester_user_id:
|
|
continue
|
|
if u["is_admin"]:
|
|
admins.append(u["user_id"])
|
|
else:
|
|
non_admins.append(u["user_id"])
|
|
|
|
await concurrently_execute(_kick_user_from_group, non_admins, 10)
|
|
await concurrently_execute(_kick_user_from_group, admins, 10)
|
|
await _kick_user_from_group(requester_user_id)
|
|
|
|
await self.store.delete_group(group_id)
|
|
|
|
|
|
def _parse_join_policy_from_contents(content: JsonDict) -> Optional[str]:
|
|
"""Given a content for a request, return the specified join policy or None"""
|
|
|
|
join_policy_dict = content.get("m.join_policy")
|
|
if join_policy_dict:
|
|
return _parse_join_policy_dict(join_policy_dict)
|
|
else:
|
|
return None
|
|
|
|
|
|
def _parse_join_policy_dict(join_policy_dict: JsonDict) -> str:
|
|
"""Given a dict for the "m.join_policy" config return the join policy specified"""
|
|
join_policy_type = join_policy_dict.get("type")
|
|
if not join_policy_type:
|
|
return "invite"
|
|
|
|
if join_policy_type not in ("invite", "open"):
|
|
raise SynapseError(400, "Synapse only supports 'invite'/'open' join rule")
|
|
return join_policy_type
|
|
|
|
|
|
def _parse_visibility_from_contents(content: JsonDict) -> bool:
|
|
"""Given a content for a request parse out whether the entity should be
|
|
public or not
|
|
"""
|
|
|
|
visibility = content.get("m.visibility")
|
|
if visibility:
|
|
return _parse_visibility_dict(visibility)
|
|
else:
|
|
is_public = True
|
|
|
|
return is_public
|
|
|
|
|
|
def _parse_visibility_dict(visibility: JsonDict) -> bool:
|
|
"""Given a dict for the "m.visibility" config return if the entity should
|
|
be public or not
|
|
"""
|
|
vis_type = visibility.get("type")
|
|
if not vis_type:
|
|
return True
|
|
|
|
if vis_type not in ("public", "private"):
|
|
raise SynapseError(400, "Synapse only supports 'public'/'private' visibility")
|
|
return vis_type == "public"
|