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https://github.com/element-hq/synapse
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Add functions to delete a group
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2 changed files with 110 additions and 0 deletions
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@ -22,6 +22,7 @@ from twisted.internet import defer
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from synapse.api.errors import SynapseError
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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 synapse.types import GroupID, RoomID, UserID, get_domain_from_id
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from synapse.util.async_helpers import concurrently_execute
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logger = logging.getLogger(__name__)
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logger = logging.getLogger(__name__)
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@ -896,6 +897,78 @@ class GroupsServerHandler(object):
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"group_id": group_id,
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"group_id": group_id,
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})
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})
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@defer.inlineCallbacks
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def delete_group(self, group_id, requester_user_id):
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"""Deletes a group, kicking out all current members.
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Only group admins or server admins can call this request
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Args:
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group_id (str)
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request_user_id (str)
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Returns:
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Deferred
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"""
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yield self.check_group_is_ours(
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group_id, requester_user_id,
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and_exists=True,
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)
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# Only server admins or group admins can delete groups.
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is_admin = yield self.store.is_user_admin_in_group(
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group_id, requester_user_id
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)
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if not is_admin:
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is_admin = yield self.auth.is_server_admin(
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UserID.from_string(requester_user_id),
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)
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if not is_admin:
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raise SynapseError(403, "User is not an admin")
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# Before deleting the group lets kick everyone out of it
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users = yield self.store.get_users_in_group(
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group_id, include_private=True,
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)
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@defer.inlineCallbacks
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def _kick_user_from_group(user_id):
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if self.hs.is_mine_id(user_id):
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groups_local = self.hs.get_groups_local_handler()
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yield groups_local.user_removed_from_group(group_id, user_id, {})
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else:
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yield self.transport_client.remove_user_from_group_notification(
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get_domain_from_id(user_id), group_id, user_id, {}
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)
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yield self.store.maybe_delete_remote_profile_cache(user_id)
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# We kick users out in the order of:
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# 1. Non-admins
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# 2. Other admins
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# 3. The requester
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#
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# This is so that if the deletion fails for some reason other admins or
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# the requester still has auth to retry.
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non_admins = []
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admins = []
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for u in users:
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if u["user_id"] == requester_user_id:
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continue
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if u["is_admin"]:
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admins.append(u["user_id"])
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else:
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non_admins.append(u["user_id"])
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yield concurrently_execute(_kick_user_from_group, non_admins, 10)
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yield concurrently_execute(_kick_user_from_group, admins, 10)
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yield _kick_user_from_group(requester_user_id)
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yield self.store.delete_group(group_id)
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def _parse_join_policy_from_contents(content):
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def _parse_join_policy_from_contents(content):
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"""Given a content for a request, return the specified join policy or None
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"""Given a content for a request, return the specified join policy or None
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@ -1150,3 +1150,40 @@ class GroupServerStore(SQLBaseStore):
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def get_group_stream_token(self):
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def get_group_stream_token(self):
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return self._group_updates_id_gen.get_current_token()
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return self._group_updates_id_gen.get_current_token()
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def delete_group(self, group_id):
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"""Deletes a group fully from the database.
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Args:
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group_id (str)
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Returns:
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Deferred
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"""
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def _delete_group_txn(txn):
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tables = [
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"groups",
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"group_users",
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"group_invites",
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"group_rooms",
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"group_summary_rooms",
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"group_summary_room_categories",
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"group_room_categories",
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"group_summary_users",
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"group_summary_roles",
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"group_roles",
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"group_attestations_renewals",
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"group_attestations_remote",
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]
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for table in tables:
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self._simple_delete_txn(
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txn,
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table=table,
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keyvalues={"group_id": group_id},
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)
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return self.runInteraction(
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"delete_group", _delete_group_txn
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)
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