mirror of
https://github.com/matrix-org/dendrite
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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
116 lines
4 KiB
Go
116 lines
4 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 api
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import (
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"context"
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"encoding/json"
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"fmt"
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"strings"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type CurrentStateInternalAPI interface {
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// QueryCurrentState retrieves the requested state events. If state events are not found, they will be missing from
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// the response.
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QueryCurrentState(ctx context.Context, req *QueryCurrentStateRequest, res *QueryCurrentStateResponse) error
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// QueryRoomsForUser retrieves a list of room IDs matching the given query.
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QueryRoomsForUser(ctx context.Context, req *QueryRoomsForUserRequest, res *QueryRoomsForUserResponse) error
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// QueryBulkStateContent does a bulk query for state event content in the given rooms.
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QueryBulkStateContent(ctx context.Context, req *QueryBulkStateContentRequest, res *QueryBulkStateContentResponse) error
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// QuerySharedUsers returns a list of users who share at least 1 room in common with the given user.
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QuerySharedUsers(ctx context.Context, req *QuerySharedUsersRequest, res *QuerySharedUsersResponse) error
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}
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type QuerySharedUsersRequest struct {
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UserID string
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ExcludeRoomIDs []string
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IncludeRoomIDs []string
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}
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type QuerySharedUsersResponse struct {
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UserIDsToCount map[string]int
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}
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type QueryRoomsForUserRequest struct {
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UserID string
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// The desired membership of the user. If this is the empty string then no rooms are returned.
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WantMembership string
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}
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type QueryRoomsForUserResponse struct {
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RoomIDs []string
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}
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type QueryBulkStateContentRequest struct {
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// Returns state events in these rooms
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RoomIDs []string
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// If true, treats the '*' StateKey as "all state events of this type" rather than a literal value of '*'
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AllowWildcards bool
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// The state events to return. Only a small subset of tuples are allowed in this request as only certain events
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// have their content fields extracted. Specifically, the tuple Type must be one of:
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// m.room.avatar
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// m.room.create
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// m.room.canonical_alias
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// m.room.guest_access
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// m.room.history_visibility
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// m.room.join_rules
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// m.room.member
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// m.room.name
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// m.room.topic
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// Any other tuple type will result in the query failing.
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StateTuples []gomatrixserverlib.StateKeyTuple
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}
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type QueryBulkStateContentResponse struct {
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// map of room ID -> tuple -> content_value
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Rooms map[string]map[gomatrixserverlib.StateKeyTuple]string
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}
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type QueryCurrentStateRequest struct {
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RoomID string
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StateTuples []gomatrixserverlib.StateKeyTuple
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}
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type QueryCurrentStateResponse struct {
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StateEvents map[gomatrixserverlib.StateKeyTuple]*gomatrixserverlib.HeaderedEvent
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}
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// MarshalJSON stringifies the StateKeyTuple keys so they can be sent over the wire in HTTP API mode.
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func (r *QueryCurrentStateResponse) MarshalJSON() ([]byte, error) {
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se := make(map[string]*gomatrixserverlib.HeaderedEvent, len(r.StateEvents))
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for k, v := range r.StateEvents {
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// use 0x1F (unit separator) as the delimiter between type/state key,
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se[fmt.Sprintf("%s\x1F%s", k.EventType, k.StateKey)] = v
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}
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return json.Marshal(se)
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}
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func (r *QueryCurrentStateResponse) UnmarshalJSON(data []byte) error {
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res := make(map[string]*gomatrixserverlib.HeaderedEvent)
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err := json.Unmarshal(data, &res)
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if err != nil {
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return err
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}
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r.StateEvents = make(map[gomatrixserverlib.StateKeyTuple]*gomatrixserverlib.HeaderedEvent, len(res))
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for k, v := range res {
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fields := strings.Split(k, "\x1F")
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r.StateEvents[gomatrixserverlib.StateKeyTuple{
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EventType: fields[0],
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StateKey: fields[1],
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}] = v
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}
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return nil
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}
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