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Diffstat (limited to 'synapse/storage/group_server.py')
| -rw-r--r-- | synapse/storage/group_server.py | 1187 |
1 files changed, 1187 insertions, 0 deletions
diff --git a/synapse/storage/group_server.py b/synapse/storage/group_server.py new file mode 100644 index 0000000000..4fe9172adc --- /dev/null +++ b/synapse/storage/group_server.py @@ -0,0 +1,1187 @@ +# -*- 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 synapse.api.errors import SynapseError + +from ._base import SQLBaseStore + +import ujson as json + + +# The category ID for the "default" category. We don't store as null in the +# database to avoid the fun of null != null +_DEFAULT_CATEGORY_ID = "" +_DEFAULT_ROLE_ID = "" + + +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 get_rooms_for_summary_by_category(self, group_id, include_private=False): + """Get the rooms and categories that should be included in a summary request + + Returns ([rooms], [categories]) + """ + def _get_rooms_for_summary_txn(txn): + keyvalues = { + "group_id": group_id, + } + if not include_private: + keyvalues["is_public"] = True + + sql = """ + SELECT room_id, is_public, category_id, room_order + FROM group_summary_rooms + WHERE group_id = ? + """ + + if not include_private: + sql += " AND is_public = ?" + txn.execute(sql, (group_id, True)) + else: + txn.execute(sql, (group_id,)) + + rooms = [ + { + "room_id": row[0], + "is_public": row[1], + "category_id": row[2] if row[2] != _DEFAULT_CATEGORY_ID else None, + "order": row[3], + } + for row in txn + ] + + sql = """ + SELECT category_id, is_public, profile, cat_order + FROM group_summary_room_categories + INNER JOIN group_room_categories USING (group_id, category_id) + WHERE group_id = ? + """ + + if not include_private: + sql += " AND is_public = ?" + txn.execute(sql, (group_id, True)) + else: + txn.execute(sql, (group_id,)) + + categories = { + row[0]: { + "is_public": row[1], + "profile": json.loads(row[2]), + "order": row[3], + } + for row in txn + } + + return rooms, categories + return self.runInteraction( + "get_rooms_for_summary", _get_rooms_for_summary_txn + ) + + def add_room_to_summary(self, group_id, room_id, category_id, order, is_public): + return self.runInteraction( + "add_room_to_summary", self._add_room_to_summary_txn, + group_id, room_id, category_id, order, is_public, + ) + + def _add_room_to_summary_txn(self, txn, group_id, room_id, category_id, order, + is_public): + """Add (or update) room's entry in summary. + + Args: + group_id (str) + room_id (str) + category_id (str): If not None then adds the category to the end of + the summary if its not already there. [Optional] + order (int): If not None inserts the room at that position, e.g. + an order of 1 will put the room first. Otherwise, the room gets + added to the end. + """ + room_in_group = self._simple_select_one_onecol_txn( + txn, + table="group_rooms", + keyvalues={ + "group_id": group_id, + "room_id": room_id, + }, + retcol="room_id", + allow_none=True, + ) + if not room_in_group: + raise SynapseError(400, "room not in group") + + if category_id is None: + category_id = _DEFAULT_CATEGORY_ID + else: + cat_exists = self._simple_select_one_onecol_txn( + txn, + table="group_room_categories", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + }, + retcol="group_id", + allow_none=True, + ) + if not cat_exists: + raise SynapseError(400, "Category doesn't exist") + + # TODO: Check category is part of summary already + cat_exists = self._simple_select_one_onecol_txn( + txn, + table="group_summary_room_categories", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + }, + retcol="group_id", + allow_none=True, + ) + if not cat_exists: + # If not, add it with an order larger than all others + txn.execute(""" + INSERT INTO group_summary_room_categories + (group_id, category_id, cat_order) + SELECT ?, ?, COALESCE(MAX(cat_order), 0) + 1 + FROM group_summary_room_categories + WHERE group_id = ? AND category_id = ? + """, (group_id, category_id, group_id, category_id)) + + existing = self._simple_select_one_txn( + txn, + table="group_summary_rooms", + keyvalues={ + "group_id": group_id, + "room_id": room_id, + "category_id": category_id, + }, + retcols=("room_order", "is_public",), + allow_none=True, + ) + + if order is not None: + # Shuffle other room orders that come after the given order + sql = """ + UPDATE group_summary_rooms SET room_order = room_order + 1 + WHERE group_id = ? AND category_id = ? AND room_order >= ? + """ + txn.execute(sql, (group_id, category_id, order,)) + elif not existing: + sql = """ + SELECT COALESCE(MAX(room_order), 0) + 1 FROM group_summary_rooms + WHERE group_id = ? AND category_id = ? + """ + txn.execute(sql, (group_id, category_id,)) + order, = txn.fetchone() + + if existing: + to_update = {} + if order is not None: + to_update["room_order"] = order + if is_public is not None: + to_update["is_public"] = is_public + self._simple_update_txn( + txn, + table="group_summary_rooms", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + "room_id": room_id, + }, + values=to_update, + ) + else: + if is_public is None: + is_public = True + + self._simple_insert_txn( + txn, + table="group_summary_rooms", + values={ + "group_id": group_id, + "category_id": category_id, + "room_id": room_id, + "room_order": order, + "is_public": is_public, + }, + ) + + def remove_room_from_summary(self, group_id, room_id, category_id): + if category_id is None: + category_id = _DEFAULT_CATEGORY_ID + + return self._simple_delete( + table="group_summary_rooms", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + "room_id": room_id, + }, + desc="remove_room_from_summary", + ) + + @defer.inlineCallbacks + def get_group_categories(self, group_id): + rows = yield self._simple_select_list( + table="group_room_categories", + keyvalues={ + "group_id": group_id, + }, + retcols=("category_id", "is_public", "profile"), + desc="get_group_categories", + ) + + defer.returnValue({ + row["category_id"]: { + "is_public": row["is_public"], + "profile": json.loads(row["profile"]), + } + for row in rows + }) + + @defer.inlineCallbacks + def get_group_category(self, group_id, category_id): + category = yield self._simple_select_one( + table="group_room_categories", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + }, + retcols=("is_public", "profile"), + desc="get_group_category", + ) + + category["profile"] = json.loads(category["profile"]) + + defer.returnValue(category) + + def upsert_group_category(self, group_id, category_id, profile, is_public): + """Add/update room category for group + """ + insertion_values = {} + update_values = {"category_id": category_id} # This cannot be empty + + if profile is None: + insertion_values["profile"] = "{}" + else: + update_values["profile"] = json.dumps(profile) + + if is_public is None: + insertion_values["is_public"] = True + else: + update_values["is_public"] = is_public + + return self._simple_upsert( + table="group_room_categories", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + }, + values=update_values, + insertion_values=insertion_values, + desc="upsert_group_category", + ) + + def remove_group_category(self, group_id, category_id): + return self._simple_delete( + table="group_room_categories", + keyvalues={ + "group_id": group_id, + "category_id": category_id, + }, + desc="remove_group_category", + ) + + @defer.inlineCallbacks + def get_group_roles(self, group_id): + rows = yield self._simple_select_list( + table="group_roles", + keyvalues={ + "group_id": group_id, + }, + retcols=("role_id", "is_public", "profile"), + desc="get_group_roles", + ) + + defer.returnValue({ + row["role_id"]: { + "is_public": row["is_public"], + "profile": json.loads(row["profile"]), + } + for row in rows + }) + + @defer.inlineCallbacks + def get_group_role(self, group_id, role_id): + role = yield self._simple_select_one( + table="group_roles", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + }, + retcols=("is_public", "profile"), + desc="get_group_role", + ) + + role["profile"] = json.loads(role["profile"]) + + defer.returnValue(role) + + def upsert_group_role(self, group_id, role_id, profile, is_public): + """Add/remove user role + """ + insertion_values = {} + update_values = {"role_id": role_id} # This cannot be empty + + if profile is None: + insertion_values["profile"] = "{}" + else: + update_values["profile"] = json.dumps(profile) + + if is_public is None: + insertion_values["is_public"] = True + else: + update_values["is_public"] = is_public + + return self._simple_upsert( + table="group_roles", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + }, + values=update_values, + insertion_values=insertion_values, + desc="upsert_group_role", + ) + + def remove_group_role(self, group_id, role_id): + return self._simple_delete( + table="group_roles", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + }, + desc="remove_group_role", + ) + + def add_user_to_summary(self, group_id, user_id, role_id, order, is_public): + return self.runInteraction( + "add_user_to_summary", self._add_user_to_summary_txn, + group_id, user_id, role_id, order, is_public, + ) + + def _add_user_to_summary_txn(self, txn, group_id, user_id, role_id, order, + is_public): + """Add (or update) user's entry in summary. + + Args: + group_id (str) + user_id (str) + role_id (str): If not None then adds the role to the end of + the summary if its not already there. [Optional] + order (int): If not None inserts the user at that position, e.g. + an order of 1 will put the user first. Otherwise, the user gets + added to the end. + """ + user_in_group = self._simple_select_one_onecol_txn( + txn, + table="group_users", + keyvalues={ + "group_id": group_id, + "user_id": user_id, + }, + retcol="user_id", + allow_none=True, + ) + if not user_in_group: + raise SynapseError(400, "user not in group") + + if role_id is None: + role_id = _DEFAULT_ROLE_ID + else: + role_exists = self._simple_select_one_onecol_txn( + txn, + table="group_roles", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + }, + retcol="group_id", + allow_none=True, + ) + if not role_exists: + raise SynapseError(400, "Role doesn't exist") + + # TODO: Check role is part of the summary already + role_exists = self._simple_select_one_onecol_txn( + txn, + table="group_summary_roles", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + }, + retcol="group_id", + allow_none=True, + ) + if not role_exists: + # If not, add it with an order larger than all others + txn.execute(""" + INSERT INTO group_summary_roles + (group_id, role_id, role_order) + SELECT ?, ?, COALESCE(MAX(role_order), 0) + 1 + FROM group_summary_roles + WHERE group_id = ? AND role_id = ? + """, (group_id, role_id, group_id, role_id)) + + existing = self._simple_select_one_txn( + txn, + table="group_summary_users", + keyvalues={ + "group_id": group_id, + "user_id": user_id, + "role_id": role_id, + }, + retcols=("user_order", "is_public",), + allow_none=True, + ) + + if order is not None: + # Shuffle other users orders that come after the given order + sql = """ + UPDATE group_summary_users SET user_order = user_order + 1 + WHERE group_id = ? AND role_id = ? AND user_order >= ? + """ + txn.execute(sql, (group_id, role_id, order,)) + elif not existing: + sql = """ + SELECT COALESCE(MAX(user_order), 0) + 1 FROM group_summary_users + WHERE group_id = ? AND role_id = ? + """ + txn.execute(sql, (group_id, role_id,)) + order, = txn.fetchone() + + if existing: + to_update = {} + if order is not None: + to_update["user_order"] = order + if is_public is not None: + to_update["is_public"] = is_public + self._simple_update_txn( + txn, + table="group_summary_users", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + "user_id": user_id, + }, + values=to_update, + ) + else: + if is_public is None: + is_public = True + + self._simple_insert_txn( + txn, + table="group_summary_users", + values={ + "group_id": group_id, + "role_id": role_id, + "user_id": user_id, + "user_order": order, + "is_public": is_public, + }, + ) + + def remove_user_from_summary(self, group_id, user_id, role_id): + if role_id is None: + role_id = _DEFAULT_ROLE_ID + + return self._simple_delete( + table="group_summary_users", + keyvalues={ + "group_id": group_id, + "role_id": role_id, + "user_id": user_id, + }, + desc="remove_user_from_summary", + ) + + def get_users_for_summary_by_role(self, group_id, include_private=False): + """Get the users and roles that should be included in a summary request + + Returns ([users], [roles]) + """ + def _get_users_for_summary_txn(txn): + keyvalues = { + "group_id": group_id, + } + if not include_private: + keyvalues["is_public"] = True + + sql = """ + SELECT user_id, is_public, role_id, user_order + FROM group_summary_users + WHERE group_id = ? + """ + + if not include_private: + sql += " AND is_public = ?" + txn.execute(sql, (group_id, True)) + else: + txn.execute(sql, (group_id,)) + + users = [ + { + "user_id": row[0], + "is_public": row[1], + "role_id": row[2] if row[2] != _DEFAULT_ROLE_ID else None, + "order": row[3], + } + for row in txn + ] + + sql = """ + SELECT role_id, is_public, profile, role_order + FROM group_summary_roles + INNER JOIN group_roles USING (group_id, role_id) + WHERE group_id = ? + """ + + if not include_private: + sql += " AND is_public = ?" + txn.execute(sql, (group_id, True)) + else: + txn.execute(sql, (group_id,)) + + roles = { + row[0]: { + "is_public": row[1], + "profile": json.loads(row[2]), + "order": row[3], + } + for row in txn + } + + return users, roles + return self.runInteraction( + "get_users_for_summary_by_role", _get_users_for_summary_txn + ) + + 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_admin_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 get_users_membership_info_in_group(self, group_id, user_id): + """Get a dict describing the membership of a user in a group. + + Example if joined: + + { + "membership": "join", + "is_public": True, + "is_privileged": False, + } + + Returns an empty dict if the user is not join/invite/etc + """ + def _get_users_membership_in_group_txn(txn): + row = self._simple_select_one_txn( + txn, + table="group_users", + keyvalues={ + "group_id": group_id, + "user_id": user_id, + }, + retcols=("is_admin", "is_public"), + allow_none=True, + ) + + if row: + return { + "membership": "join", + "is_public": row["is_public"], + "is_privileged": row["is_admin"], + } + + row = self._simple_select_one_onecol_txn( + txn, + table="group_invites", + keyvalues={ + "group_id": group_id, + "user_id": user_id, + }, + retcol="user_id", + allow_none=True, + ) + + if row: + return { + "membership": "invite", + } + + return {} + + return self.runInteraction( + "get_users_membership_info_in_group", _get_users_membership_in_group_txn, + ) + + 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, + }, + ) + self._simple_delete_txn( + txn, + table="group_summary_users", + 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", + ) + + def remove_room_from_group(self, group_id, room_id): + def _remove_room_from_group_txn(txn): + self._simple_delete_txn( + txn, + table="group_rooms", + keyvalues={ + "group_id": group_id, + "room_id": room_id, + }, + ) + + self._simple_delete_txn( + txn, + table="group_summary_rooms", + keyvalues={ + "group_id": group_id, + "room_id": room_id, + }, + ) + return self.runInteraction( + "remove_room_from_group", _remove_room_from_group_txn, + ) + + def get_publicised_groups_for_user(self, user_id): + """Get all groups a user is publicising + """ + return self._simple_select_onecol( + table="local_group_membership", + keyvalues={ + "user_id": user_id, + "membership": "join", + "is_publicised": True, + }, + retcol="group_id", + desc="get_publicised_groups_for_user", + ) + + def update_group_publicity(self, group_id, user_id, publicise): + """Update whether the user is publicising their membership of the group + """ + return self._simple_update_one( + table="local_group_membership", + keyvalues={ + "group_id": group_id, + "user_id": user_id, + }, + updatevalues={ + "is_publicised": publicise, + }, + desc="update_group_publicity" + ) + + @defer.inlineCallbacks + def register_user_group_membership(self, group_id, user_id, membership, + is_admin=False, content={}, + local_attestation=None, + remote_attestation=None, + is_publicised=False, + ): + """Registers that a local user is a member of a (local or remote) group. + + Args: + group_id (str) + user_id (str) + membership (str) + is_admin (bool) + content (dict): Content of the membership, e.g. includes the inviter + if the user has been invited. + local_attestation (dict): If remote group then store the fact that we + have given out an attestation, else None. + remote_attestation (dict): If remote group then store the remote + attestation from the group, else None. + """ + def _register_user_group_membership_txn(txn, next_id): + # TODO: Upsert? + self._simple_delete_txn( + txn, + table="local_group_membership", + keyvalues={ + "group_id": group_id, + "user_id": user_id, + }, + ) + self._simple_insert_txn( + txn, + table="local_group_membership", + values={ + "group_id": group_id, + "user_id": user_id, + "is_admin": is_admin, + "membership": membership, + "is_publicised": is_publicised, + "content": json.dumps(content), + }, + ) + + self._simple_insert_txn( + txn, + table="local_group_updates", + values={ + "stream_id": next_id, + "group_id": group_id, + "user_id": user_id, + "type": "membership", + "content": json.dumps({"membership": membership, "content": content}), + } + ) + self._group_updates_stream_cache.entity_has_changed(user_id, next_id) + + # TODO: Insert profile to ensure it comes down stream if its a join. + + if membership == "join": + 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), + } + ) + else: + 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 next_id + + with self._group_updates_id_gen.get_next() as next_id: + res = yield self.runInteraction( + "register_user_group_membership", + _register_user_group_membership_txn, next_id, + ) + defer.returnValue(res) + + @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", + ) + + @defer.inlineCallbacks + def update_group_profile(self, group_id, profile,): + yield self._simple_update_one( + table="groups", + keyvalues={ + "group_id": group_id, + }, + updatevalues=profile, + desc="update_group_profile", + ) + + 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) + + def get_joined_groups(self, user_id): + return self._simple_select_onecol( + table="local_group_membership", + keyvalues={ + "user_id": user_id, + "membership": "join", + }, + retcol="group_id", + desc="get_joined_groups", + ) + + def get_all_groups_for_user(self, user_id, now_token): + def _get_all_groups_for_user_txn(txn): + sql = """ + SELECT group_id, type, membership, u.content + FROM local_group_updates AS u + INNER JOIN local_group_membership USING (group_id, user_id) + WHERE user_id = ? AND membership != 'leave' + AND stream_id <= ? + """ + txn.execute(sql, (user_id, now_token,)) + return [ + { + "group_id": row[0], + "type": row[1], + "membership": row[2], + "content": json.loads(row[3]), + } + for row in txn + ] + return self.runInteraction( + "get_all_groups_for_user", _get_all_groups_for_user_txn, + ) + + def get_groups_changes_for_user(self, user_id, from_token, to_token): + from_token = int(from_token) + has_changed = self._group_updates_stream_cache.has_entity_changed( + user_id, from_token, + ) + if not has_changed: + return [] + + def _get_groups_changes_for_user_txn(txn): + sql = """ + SELECT group_id, membership, type, u.content + FROM local_group_updates AS u + INNER JOIN local_group_membership USING (group_id, user_id) + WHERE user_id = ? AND ? < stream_id AND stream_id <= ? + """ + txn.execute(sql, (user_id, from_token, to_token,)) + return [{ + "group_id": group_id, + "membership": membership, + "type": gtype, + "content": json.loads(content_json), + } for group_id, membership, gtype, content_json in txn] + return self.runInteraction( + "get_groups_changes_for_user", _get_groups_changes_for_user_txn, + ) + + def get_all_groups_changes(self, from_token, to_token, limit): + from_token = int(from_token) + has_changed = self._group_updates_stream_cache.has_any_entity_changed( + from_token, + ) + if not has_changed: + return [] + + def _get_all_groups_changes_txn(txn): + sql = """ + SELECT stream_id, group_id, user_id, type, content + FROM local_group_updates + WHERE ? < stream_id AND stream_id <= ? + LIMIT ? + """ + txn.execute(sql, (from_token, to_token, limit,)) + return [{ + "stream_id": stream_id, + "group_id": group_id, + "user_id": user_id, + "type": gtype, + "content": json.loads(content_json), + } for stream_id, group_id, user_id, gtype, content_json in txn] + return self.runInteraction( + "get_all_groups_changes", _get_all_groups_changes_txn, + ) + + def get_group_stream_token(self): + return self._group_updates_id_gen.get_current_token() |