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# -*- coding: utf-8 -*-
# Copyright 2017 Vector Creations Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from ._base import SQLBaseStore
import ujson as json
class GroupServerStore(SQLBaseStore):
def get_group(self, group_id):
return self._simple_select_one(
table="groups",
keyvalues={
"group_id": group_id,
},
retcols=("name", "short_description", "long_description", "avatar_url",),
allow_none=True,
desc="is_user_in_group",
)
def get_users_in_group(self, group_id, include_private=False):
# TODO: Pagination
keyvalues = {
"group_id": group_id,
}
if not include_private:
keyvalues["is_public"] = True
return self._simple_select_list(
table="group_users",
keyvalues=keyvalues,
retcols=("user_id", "is_public",),
desc="get_users_in_group",
)
def get_rooms_in_group(self, group_id, include_private=False):
# TODO: Pagination
keyvalues = {
"group_id": group_id,
}
if not include_private:
keyvalues["is_public"] = True
return self._simple_select_list(
table="group_rooms",
keyvalues=keyvalues,
retcols=("room_id", "is_public",),
desc="get_rooms_in_group",
)
def is_user_in_group(self, user_id, group_id):
return self._simple_select_one_onecol(
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="user_id",
allow_none=True,
desc="is_user_in_group",
).addCallback(lambda r: bool(r))
def is_user_admin_in_group(self, group_id, user_id):
return self._simple_select_one_onecol(
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="is_admin",
allow_none=True,
desc="is_user_adim_in_group",
)
def add_group_invite(self, group_id, user_id):
"""Record that the group server has invited a user
"""
return self._simple_insert(
table="group_invites",
values={
"group_id": group_id,
"user_id": user_id,
},
desc="add_group_invite",
)
def is_user_invited_to_local_group(self, group_id, user_id):
"""Has the group server invited a user?
"""
return self._simple_select_one_onecol(
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcol="user_id",
desc="is_user_invited_to_local_group",
allow_none=True,
)
def add_user_to_group(self, group_id, user_id, is_admin=False, is_public=True,
local_attestation=None, remote_attestation=None):
"""Add a user to the group server.
Args:
group_id (str)
user_id (str)
is_admin (bool)
is_public (bool)
local_attestation (dict): The attestation the GS created to give
to the remote server. Optional if the user and group are on the
same server
remote_attestation (dict): The attestation given to GS by remote
server. Optional if the user and group are on the same server
"""
def _add_user_to_group_txn(txn):
self._simple_insert_txn(
txn,
table="group_users",
values={
"group_id": group_id,
"user_id": user_id,
"is_admin": is_admin,
"is_public": is_public,
},
)
self._simple_delete_txn(
txn,
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
if local_attestation:
self._simple_insert_txn(
txn,
table="group_attestations_renewals",
values={
"group_id": group_id,
"user_id": user_id,
"valid_until_ms": local_attestation["valid_until_ms"],
},
)
if remote_attestation:
self._simple_insert_txn(
txn,
table="group_attestations_remote",
values={
"group_id": group_id,
"user_id": user_id,
"valid_until_ms": remote_attestation["valid_until_ms"],
"attestation": json.dumps(remote_attestation),
},
)
return self.runInteraction(
"add_user_to_group", _add_user_to_group_txn
)
def remove_user_from_group(self, group_id, user_id):
def _remove_user_from_group_txn(txn):
self._simple_delete_txn(
txn,
table="group_users",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_invites",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_attestations_renewals",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
self._simple_delete_txn(
txn,
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
)
return self.runInteraction("remove_user_from_group", _remove_user_from_group_txn)
def add_room_to_group(self, group_id, room_id, is_public):
return self._simple_insert(
table="group_rooms",
values={
"group_id": group_id,
"room_id": room_id,
"is_public": is_public,
},
desc="add_room_to_group",
)
@defer.inlineCallbacks
def create_group(self, group_id, user_id, name, avatar_url, short_description,
long_description,):
yield self._simple_insert(
table="groups",
values={
"group_id": group_id,
"name": name,
"avatar_url": avatar_url,
"short_description": short_description,
"long_description": long_description,
},
desc="create_group",
)
def get_attestations_need_renewals(self, valid_until_ms):
"""Get all attestations that need to be renewed until givent time
"""
def _get_attestations_need_renewals_txn(txn):
sql = """
SELECT group_id, user_id FROM group_attestations_renewals
WHERE valid_until_ms <= ?
"""
txn.execute(sql, (valid_until_ms,))
return self.cursor_to_dict(txn)
return self.runInteraction(
"get_attestations_need_renewals", _get_attestations_need_renewals_txn
)
def update_attestation_renewal(self, group_id, user_id, attestation):
"""Update an attestation that we have renewed
"""
return self._simple_update_one(
table="group_attestations_renewals",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
updatevalues={
"valid_until_ms": attestation["valid_until_ms"],
},
desc="update_attestation_renewal",
)
def update_remote_attestion(self, group_id, user_id, attestation):
"""Update an attestation that a remote has renewed
"""
return self._simple_update_one(
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
updatevalues={
"valid_until_ms": attestation["valid_until_ms"],
"attestation": json.dumps(attestation)
},
desc="update_remote_attestion",
)
@defer.inlineCallbacks
def get_remote_attestation(self, group_id, user_id):
"""Get the attestation that proves the remote agrees that the user is
in the group.
"""
row = yield self._simple_select_one(
table="group_attestations_remote",
keyvalues={
"group_id": group_id,
"user_id": user_id,
},
retcols=("valid_until_ms", "attestation"),
desc="get_remote_attestation",
allow_none=True,
)
now = int(self._clock.time_msec())
if row and now < row["valid_until_ms"]:
defer.returnValue(json.loads(row["attestation"]))
defer.returnValue(None)
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