835 lines
27 KiB
Python
835 lines
27 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2017 Vector Creations Ltd
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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 synapse.api.errors import SynapseError
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from synapse.types import GroupID, RoomID, UserID, get_domain_from_id
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from twisted.internet import defer
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logger = logging.getLogger(__name__)
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# TODO: Allow users to "knock" or simpkly join depending on rules
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# TODO: Federation admin APIs
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# TODO: is_priveged 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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class GroupsServerHandler(object):
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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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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.config.signing_key[0]
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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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# Ensure attestations get renewed
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hs.get_groups_attestation_renewer()
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@defer.inlineCallbacks
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def check_group_is_ours(self, group_id, requester_user_id,
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and_exists=False, and_is_admin=None):
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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 (str)
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and_exists (bool): whether to also check if group exists
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and_is_admin (str): 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 = yield 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 = yield self.store.is_user_in_group(requester_user_id, group_id)
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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 = yield 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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defer.returnValue(group)
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@defer.inlineCallbacks
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def get_group_summary(self, group_id, requester_user_id):
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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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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = yield self.store.is_user_in_group(requester_user_id, group_id)
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profile = yield self.get_group_profile(group_id, requester_user_id)
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users, roles = yield 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 = yield 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 = yield self.store.get_users_in_room(room_id)
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entry = yield self.room_list_handler.generate_room_entry(
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room_id, len(joined_users),
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with_alias=False, allow_private=True,
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)
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entry = dict(entry) # so we don't change whats 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 entry in users:
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user_id = entry["user_id"]
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if not self.is_mine_id(requester_user_id):
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attestation = yield 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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entry["attestation"] = attestation
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else:
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entry["attestation"] = self.attestations.create_attestation(
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group_id, user_id,
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)
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user_profile = yield self.profile_handler.get_profile_from_cache(user_id)
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entry.update(user_profile)
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users.sort(key=lambda e: e.get("order", 0))
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membership_info = yield 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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defer.returnValue({
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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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@defer.inlineCallbacks
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def update_group_summary_room(self, group_id, requester_user_id,
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room_id, category_id, content):
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"""Add/update a room to the group summary
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"""
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yield self.check_group_is_ours(
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group_id,
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requester_user_id,
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and_exists=True,
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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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yield 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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defer.returnValue({})
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@defer.inlineCallbacks
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def delete_group_summary_room(self, group_id, requester_user_id,
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room_id, category_id):
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"""Remove a room from the summary
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"""
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yield self.check_group_is_ours(
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group_id,
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requester_user_id,
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and_exists=True,
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and_is_admin=requester_user_id,
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)
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yield self.store.remove_room_from_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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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def get_group_categories(self, group_id, requester_user_id):
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"""Get all categories in a group (as seen by user)
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"""
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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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categories = yield self.store.get_group_categories(
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group_id=group_id,
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)
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defer.returnValue({"categories": categories})
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@defer.inlineCallbacks
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def get_group_category(self, group_id, requester_user_id, category_id):
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"""Get a specific category in a group (as seen by user)
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"""
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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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res = yield self.store.get_group_category(
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group_id=group_id,
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category_id=category_id,
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)
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defer.returnValue(res)
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@defer.inlineCallbacks
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def update_group_category(self, group_id, requester_user_id, category_id, content):
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"""Add/Update a group category
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"""
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yield self.check_group_is_ours(
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group_id,
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requester_user_id,
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and_exists=True,
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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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yield 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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defer.returnValue({})
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@defer.inlineCallbacks
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def delete_group_category(self, group_id, requester_user_id, category_id):
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"""Delete a group category
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"""
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yield self.check_group_is_ours(
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group_id,
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requester_user_id,
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and_exists=True,
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and_is_admin=requester_user_id
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)
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yield self.store.remove_group_category(
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group_id=group_id,
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category_id=category_id,
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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def get_group_roles(self, group_id, requester_user_id):
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"""Get all roles in a group (as seen by user)
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"""
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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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roles = yield self.store.get_group_roles(
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group_id=group_id,
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)
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defer.returnValue({"roles": roles})
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@defer.inlineCallbacks
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def get_group_role(self, group_id, requester_user_id, role_id):
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"""Get a specific role in a group (as seen by user)
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"""
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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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res = yield self.store.get_group_role(
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group_id=group_id,
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role_id=role_id,
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)
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defer.returnValue(res)
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@defer.inlineCallbacks
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def update_group_role(self, group_id, requester_user_id, role_id, content):
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"""Add/update a role in a group
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"""
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yield self.check_group_is_ours(
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group_id,
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requester_user_id,
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and_exists=True,
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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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yield self.store.upsert_group_role(
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group_id=group_id,
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role_id=role_id,
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is_public=is_public,
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profile=profile,
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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def delete_group_role(self, group_id, requester_user_id, role_id):
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"""Remove role from group
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"""
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yield self.check_group_is_ours(
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group_id,
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requester_user_id,
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and_exists=True,
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and_is_admin=requester_user_id,
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)
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yield self.store.remove_group_role(
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group_id=group_id,
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role_id=role_id,
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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def update_group_summary_user(self, group_id, requester_user_id, user_id, role_id,
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content):
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"""Add/update a users entry in the group summary
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"""
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yield 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)
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is_public = _parse_visibility_from_contents(content)
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yield self.store.add_user_to_summary(
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group_id=group_id,
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user_id=user_id,
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role_id=role_id,
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order=order,
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is_public=is_public,
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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def delete_group_summary_user(self, group_id, requester_user_id, user_id, role_id):
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"""Remove a user from the group summary
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"""
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yield 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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yield self.store.remove_user_from_summary(
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group_id=group_id,
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user_id=user_id,
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role_id=role_id,
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)
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defer.returnValue({})
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@defer.inlineCallbacks
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def get_group_profile(self, group_id, requester_user_id):
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"""Get the group profile as seen by requester_user_id
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"""
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yield self.check_group_is_ours(group_id, requester_user_id)
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group_description = yield self.store.get_group(group_id)
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if group_description:
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defer.returnValue(group_description)
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else:
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raise SynapseError(404, "Unknown group")
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@defer.inlineCallbacks
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def update_group_profile(self, group_id, requester_user_id, content):
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"""Update the group profile
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"""
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yield 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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profile = {}
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for keyname in ("name", "avatar_url", "short_description",
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"long_description"):
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if keyname in content:
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value = content[keyname]
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if not isinstance(value, basestring):
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raise SynapseError(400, "%r value is not a string" % (keyname,))
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profile[keyname] = value
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yield self.store.update_group_profile(group_id, profile)
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@defer.inlineCallbacks
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def get_users_in_group(self, group_id, requester_user_id):
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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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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = yield self.store.is_user_in_group(requester_user_id, group_id)
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user_results = yield 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 = yield 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 = yield self.store.get_remote_attestation(group_id, g_user_id)
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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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defer.returnValue({
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"chunk": chunk,
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"total_user_count_estimate": len(user_results),
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})
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@defer.inlineCallbacks
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def get_invited_users_in_group(self, group_id, requester_user_id):
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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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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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is_user_in_group = yield self.store.is_user_in_group(requester_user_id, group_id)
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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 = yield 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 = {
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"user_id": user_id
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}
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try:
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profile = yield 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.warn("Error getting profile for %s: %s", user_id, e)
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user_profiles.append(user_profile)
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defer.returnValue({
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"chunk": user_profiles,
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"total_user_count_estimate": len(invited_users),
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})
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@defer.inlineCallbacks
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def get_rooms_in_group(self, group_id, requester_user_id):
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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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|
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yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
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|
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is_user_in_group = yield self.store.is_user_in_group(requester_user_id, group_id)
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room_results = yield 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 = yield self.store.get_users_in_room(room_id)
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entry = yield self.room_list_handler.generate_room_entry(
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room_id, len(joined_users),
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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"])
|
|
|
|
chunk.append(entry)
|
|
|
|
chunk.sort(key=lambda e: -e["num_joined_members"])
|
|
|
|
defer.returnValue({
|
|
"chunk": chunk,
|
|
"total_room_count_estimate": len(room_results),
|
|
})
|
|
|
|
@defer.inlineCallbacks
|
|
def update_room_group_association(self, group_id, requester_user_id, room_id,
|
|
content):
|
|
"""Add or update an association between room and group
|
|
"""
|
|
RoomID.from_string(room_id) # Ensure valid room id
|
|
|
|
yield 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)
|
|
|
|
yield self.store.update_room_group_association(
|
|
group_id, room_id, is_public=is_public
|
|
)
|
|
|
|
defer.returnValue({})
|
|
|
|
@defer.inlineCallbacks
|
|
def delete_room_group_association(self, group_id, requester_user_id, room_id):
|
|
"""Remove room from group
|
|
"""
|
|
yield self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
yield self.store.delete_room_group_association(group_id, room_id)
|
|
|
|
defer.returnValue({})
|
|
|
|
@defer.inlineCallbacks
|
|
def invite_to_group(self, group_id, user_id, requester_user_id, content):
|
|
"""Invite user to group
|
|
"""
|
|
|
|
group = yield self.check_group_is_ours(
|
|
group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
|
|
)
|
|
|
|
# TODO: Check if user knocked
|
|
# TODO: Check if user is already invited
|
|
|
|
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()
|
|
res = yield 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 = yield self.transport_client.invite_to_group_notification(
|
|
get_domain_from_id(user_id), group_id, user_id, content
|
|
)
|
|
|
|
user_profile = res.get("user_profile", {})
|
|
yield 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"]
|
|
|
|
yield self.attestations.verify_attestation(
|
|
remote_attestation,
|
|
user_id=user_id,
|
|
group_id=group_id,
|
|
)
|
|
else:
|
|
remote_attestation = None
|
|
|
|
yield 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,
|
|
)
|
|
elif res["state"] == "invite":
|
|
yield self.store.add_group_invite(
|
|
group_id, user_id,
|
|
)
|
|
defer.returnValue({
|
|
"state": "invite"
|
|
})
|
|
elif res["state"] == "reject":
|
|
defer.returnValue({
|
|
"state": "reject"
|
|
})
|
|
else:
|
|
raise SynapseError(502, "Unknown state returned by HS")
|
|
|
|
@defer.inlineCallbacks
|
|
def accept_invite(self, group_id, requester_user_id, content):
|
|
"""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)
|
|
"""
|
|
|
|
yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
is_invited = yield 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")
|
|
|
|
if not self.hs.is_mine_id(requester_user_id):
|
|
local_attestation = self.attestations.create_attestation(
|
|
group_id, requester_user_id,
|
|
)
|
|
remote_attestation = content["attestation"]
|
|
|
|
yield self.attestations.verify_attestation(
|
|
remote_attestation,
|
|
user_id=requester_user_id,
|
|
group_id=group_id,
|
|
)
|
|
else:
|
|
local_attestation = None
|
|
remote_attestation = None
|
|
|
|
is_public = _parse_visibility_from_contents(content)
|
|
|
|
yield self.store.add_user_to_group(
|
|
group_id, requester_user_id,
|
|
is_admin=False,
|
|
is_public=is_public,
|
|
local_attestation=local_attestation,
|
|
remote_attestation=remote_attestation,
|
|
)
|
|
|
|
defer.returnValue({
|
|
"state": "join",
|
|
"attestation": local_attestation,
|
|
})
|
|
|
|
@defer.inlineCallbacks
|
|
def knock(self, group_id, requester_user_id, content):
|
|
"""A user requests becoming a member of the group
|
|
"""
|
|
yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
raise NotImplementedError()
|
|
|
|
@defer.inlineCallbacks
|
|
def accept_knock(self, group_id, requester_user_id, content):
|
|
"""Accept a users knock to the room.
|
|
|
|
Errors if the user hasn't knocked, rather than inviting them.
|
|
"""
|
|
|
|
yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
raise NotImplementedError()
|
|
|
|
@defer.inlineCallbacks
|
|
def remove_user_from_group(self, group_id, user_id, requester_user_id, content):
|
|
"""Remove a user from the group; either a user is leaving or an admin
|
|
kicked them.
|
|
"""
|
|
|
|
yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
|
|
|
|
is_kick = False
|
|
if requester_user_id != user_id:
|
|
is_admin = yield 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
|
|
|
|
yield 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()
|
|
yield groups_local.user_removed_from_group(group_id, user_id, {})
|
|
else:
|
|
yield 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):
|
|
yield self.store.maybe_delete_remote_profile_cache(user_id)
|
|
|
|
defer.returnValue({})
|
|
|
|
@defer.inlineCallbacks
|
|
def create_group(self, group_id, requester_user_id, content):
|
|
group = yield self.check_group_is_ours(group_id, requester_user_id)
|
|
|
|
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)
|
|
|
|
if group:
|
|
raise SynapseError(400, "Group already exists")
|
|
|
|
is_admin = yield 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", {})
|
|
|
|
yield 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"]
|
|
|
|
yield 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,
|
|
)
|
|
else:
|
|
local_attestation = None
|
|
remote_attestation = None
|
|
|
|
yield 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):
|
|
yield self.store.add_remote_profile_cache(
|
|
requester_user_id,
|
|
displayname=user_profile.get("displayname"),
|
|
avatar_url=user_profile.get("avatar_url"),
|
|
)
|
|
|
|
defer.returnValue({
|
|
"group_id": group_id,
|
|
})
|
|
|
|
|
|
def _parse_visibility_from_contents(content):
|
|
"""Given a content for a request parse out whether the entity should be
|
|
public or not
|
|
"""
|
|
|
|
visibility = content.get("visibility")
|
|
if visibility:
|
|
vis_type = visibility["type"]
|
|
if vis_type not in ("public", "private"):
|
|
raise SynapseError(
|
|
400, "Synapse only supports 'public'/'private' visibility"
|
|
)
|
|
is_public = vis_type == "public"
|
|
else:
|
|
is_public = True
|
|
|
|
return is_public
|