af5b4d1f6b
* Modify QuerySharedUsers to handle counts/include/exclude We will need this functionality when working out whether to send device list changes to users who have joined/left a room. * Linting
100 lines
3.1 KiB
Go
100 lines
3.1 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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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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package internal
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import (
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"context"
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"github.com/matrix-org/dendrite/currentstateserver/api"
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"github.com/matrix-org/dendrite/currentstateserver/storage"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type CurrentStateInternalAPI struct {
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DB storage.Database
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}
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func (a *CurrentStateInternalAPI) QueryCurrentState(ctx context.Context, req *api.QueryCurrentStateRequest, res *api.QueryCurrentStateResponse) error {
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res.StateEvents = make(map[gomatrixserverlib.StateKeyTuple]*gomatrixserverlib.HeaderedEvent)
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for _, tuple := range req.StateTuples {
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ev, err := a.DB.GetStateEvent(ctx, req.RoomID, tuple.EventType, tuple.StateKey)
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if err != nil {
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return err
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}
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if ev != nil {
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res.StateEvents[tuple] = ev
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}
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}
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return nil
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}
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func (a *CurrentStateInternalAPI) QueryRoomsForUser(ctx context.Context, req *api.QueryRoomsForUserRequest, res *api.QueryRoomsForUserResponse) error {
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roomIDs, err := a.DB.GetRoomsByMembership(ctx, req.UserID, req.WantMembership)
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if err != nil {
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return err
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}
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res.RoomIDs = roomIDs
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return nil
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}
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func (a *CurrentStateInternalAPI) QueryBulkStateContent(ctx context.Context, req *api.QueryBulkStateContentRequest, res *api.QueryBulkStateContentResponse) error {
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events, err := a.DB.GetBulkStateContent(ctx, req.RoomIDs, req.StateTuples, req.AllowWildcards)
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if err != nil {
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return err
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}
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res.Rooms = make(map[string]map[gomatrixserverlib.StateKeyTuple]string)
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for _, ev := range events {
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if res.Rooms[ev.RoomID] == nil {
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res.Rooms[ev.RoomID] = make(map[gomatrixserverlib.StateKeyTuple]string)
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}
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room := res.Rooms[ev.RoomID]
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room[gomatrixserverlib.StateKeyTuple{
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EventType: ev.EventType,
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StateKey: ev.StateKey,
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}] = ev.ContentValue
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res.Rooms[ev.RoomID] = room
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}
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return nil
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}
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func (a *CurrentStateInternalAPI) QuerySharedUsers(ctx context.Context, req *api.QuerySharedUsersRequest, res *api.QuerySharedUsersResponse) error {
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roomIDs, err := a.DB.GetRoomsByMembership(ctx, req.UserID, "join")
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if err != nil {
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return err
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}
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roomIDs = append(roomIDs, req.IncludeRoomIDs...)
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excludeMap := make(map[string]bool)
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for _, roomID := range req.ExcludeRoomIDs {
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excludeMap[roomID] = true
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}
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// filter out excluded rooms
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j := 0
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for i := range roomIDs {
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// move elements to include to the beginning of the slice
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// then trim elements on the right
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if !excludeMap[roomIDs[i]] {
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roomIDs[j] = roomIDs[i]
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j++
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}
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}
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roomIDs = roomIDs[:j]
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users, err := a.DB.JoinedUsersSetInRooms(ctx, roomIDs)
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if err != nil {
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return err
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}
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res.UserIDsToCount = users
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return nil
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}
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