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Diffstat (limited to 'synapse/storage/group_server.py')
| -rw-r--r-- | synapse/storage/group_server.py | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/synapse/storage/group_server.py b/synapse/storage/group_server.py new file mode 100644 index 0000000000..105ab9920e --- /dev/null +++ b/synapse/storage/group_server.py @@ -0,0 +1,306 @@ +# -*- 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": 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": 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_json"), + 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_json"])) + + defer.returnValue(None) |