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dendrite/roomserver/query/query.go
Alex Chen f8d2860765 Replace membership and visibility values with constants (#774)
Signed-off-by: Alex Chen <minecnly@gmail.com>
2019-08-06 15:07:36 +01:00

802 lines
24 KiB
Go

// 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.
package query
import (
"context"
"encoding/json"
"net/http"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/auth"
"github.com/matrix-org/dendrite/roomserver/state"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// RoomserverQueryAPIEventDB has a convenience API to fetch events directly by
// EventIDs.
type RoomserverQueryAPIEventDB interface {
// Look up the Events for a list of event IDs. Does not error if event was
// not found.
// Returns an error if the retrieval went wrong.
EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error)
}
// RoomserverQueryAPIDatabase has the storage APIs needed to implement the query API.
type RoomserverQueryAPIDatabase interface {
state.RoomStateDatabase
RoomserverQueryAPIEventDB
// Look up the numeric ID for the room.
// Returns 0 if the room doesn't exists.
// Returns an error if there was a problem talking to the database.
RoomNID(ctx context.Context, roomID string) (types.RoomNID, error)
// Look up event references for the latest events in the room and the current state snapshot.
// Returns the latest events, the current state and the maximum depth of the latest events plus 1.
// Returns an error if there was a problem talking to the database.
LatestEventIDs(
ctx context.Context, roomNID types.RoomNID,
) ([]gomatrixserverlib.EventReference, types.StateSnapshotNID, int64, error)
// Look up the numeric IDs for a list of events.
// Returns an error if there was a problem talking to the database.
EventNIDs(ctx context.Context, eventIDs []string) (map[string]types.EventNID, error)
// Lookup the event IDs for a batch of event numeric IDs.
// Returns an error if the retrieval went wrong.
EventIDs(ctx context.Context, eventNIDs []types.EventNID) (map[types.EventNID]string, error)
// Lookup the membership of a given user in a given room.
// Returns the numeric ID of the latest membership event sent from this user
// in this room, along a boolean set to true if the user is still in this room,
// false if not.
// Returns an error if there was a problem talking to the database.
GetMembership(
ctx context.Context, roomNID types.RoomNID, requestSenderUserID string,
) (membershipEventNID types.EventNID, stillInRoom bool, err error)
// Lookup the membership event numeric IDs for all user that are or have
// been members of a given room. Only lookup events of "join" membership if
// joinOnly is set to true.
// Returns an error if there was a problem talking to the database.
GetMembershipEventNIDsForRoom(
ctx context.Context, roomNID types.RoomNID, joinOnly bool,
) ([]types.EventNID, error)
// Look up the active invites targeting a user in a room and return the
// numeric state key IDs for the user IDs who sent them.
// Returns an error if there was a problem talking to the database.
GetInvitesForUser(
ctx context.Context,
roomNID types.RoomNID,
targetUserNID types.EventStateKeyNID,
) (senderUserNIDs []types.EventStateKeyNID, err error)
// Look up the string event state keys for a list of numeric event state keys
// Returns an error if there was a problem talking to the database.
EventStateKeys(
context.Context, []types.EventStateKeyNID,
) (map[types.EventStateKeyNID]string, error)
}
// RoomserverQueryAPI is an implementation of api.RoomserverQueryAPI
type RoomserverQueryAPI struct {
DB RoomserverQueryAPIDatabase
}
// QueryLatestEventsAndState implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryLatestEventsAndState(
ctx context.Context,
request *api.QueryLatestEventsAndStateRequest,
response *api.QueryLatestEventsAndStateResponse,
) error {
response.QueryLatestEventsAndStateRequest = *request
roomNID, err := r.DB.RoomNID(ctx, request.RoomID)
if err != nil {
return err
}
if roomNID == 0 {
return nil
}
response.RoomExists = true
var currentStateSnapshotNID types.StateSnapshotNID
response.LatestEvents, currentStateSnapshotNID, response.Depth, err =
r.DB.LatestEventIDs(ctx, roomNID)
if err != nil {
return err
}
// Look up the currrent state for the requested tuples.
stateEntries, err := state.LoadStateAtSnapshotForStringTuples(
ctx, r.DB, currentStateSnapshotNID, request.StateToFetch,
)
if err != nil {
return err
}
stateEvents, err := r.loadStateEvents(ctx, stateEntries)
if err != nil {
return err
}
response.StateEvents = stateEvents
return nil
}
// QueryStateAfterEvents implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryStateAfterEvents(
ctx context.Context,
request *api.QueryStateAfterEventsRequest,
response *api.QueryStateAfterEventsResponse,
) error {
response.QueryStateAfterEventsRequest = *request
roomNID, err := r.DB.RoomNID(ctx, request.RoomID)
if err != nil {
return err
}
if roomNID == 0 {
return nil
}
response.RoomExists = true
prevStates, err := r.DB.StateAtEventIDs(ctx, request.PrevEventIDs)
if err != nil {
switch err.(type) {
case types.MissingEventError:
return nil
default:
return err
}
}
response.PrevEventsExist = true
// Look up the currrent state for the requested tuples.
stateEntries, err := state.LoadStateAfterEventsForStringTuples(
ctx, r.DB, prevStates, request.StateToFetch,
)
if err != nil {
return err
}
stateEvents, err := r.loadStateEvents(ctx, stateEntries)
if err != nil {
return err
}
response.StateEvents = stateEvents
return nil
}
// QueryEventsByID implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryEventsByID(
ctx context.Context,
request *api.QueryEventsByIDRequest,
response *api.QueryEventsByIDResponse,
) error {
response.QueryEventsByIDRequest = *request
eventNIDMap, err := r.DB.EventNIDs(ctx, request.EventIDs)
if err != nil {
return err
}
var eventNIDs []types.EventNID
for _, nid := range eventNIDMap {
eventNIDs = append(eventNIDs, nid)
}
events, err := r.loadEvents(ctx, eventNIDs)
if err != nil {
return err
}
response.Events = events
return nil
}
func (r *RoomserverQueryAPI) loadStateEvents(
ctx context.Context, stateEntries []types.StateEntry,
) ([]gomatrixserverlib.Event, error) {
eventNIDs := make([]types.EventNID, len(stateEntries))
for i := range stateEntries {
eventNIDs[i] = stateEntries[i].EventNID
}
return r.loadEvents(ctx, eventNIDs)
}
func (r *RoomserverQueryAPI) loadEvents(
ctx context.Context, eventNIDs []types.EventNID,
) ([]gomatrixserverlib.Event, error) {
stateEvents, err := r.DB.Events(ctx, eventNIDs)
if err != nil {
return nil, err
}
result := make([]gomatrixserverlib.Event, len(stateEvents))
for i := range stateEvents {
result[i] = stateEvents[i].Event
}
return result, nil
}
// QueryMembershipForUser implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryMembershipForUser(
ctx context.Context,
request *api.QueryMembershipForUserRequest,
response *api.QueryMembershipForUserResponse,
) error {
roomNID, err := r.DB.RoomNID(ctx, request.RoomID)
if err != nil {
return err
}
membershipEventNID, stillInRoom, err := r.DB.GetMembership(ctx, roomNID, request.UserID)
if err != nil {
return err
}
if membershipEventNID == 0 {
response.HasBeenInRoom = false
return nil
}
response.IsInRoom = stillInRoom
eventIDMap, err := r.DB.EventIDs(ctx, []types.EventNID{membershipEventNID})
if err != nil {
return err
}
response.EventID = eventIDMap[membershipEventNID]
return nil
}
// QueryMembershipsForRoom implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryMembershipsForRoom(
ctx context.Context,
request *api.QueryMembershipsForRoomRequest,
response *api.QueryMembershipsForRoomResponse,
) error {
roomNID, err := r.DB.RoomNID(ctx, request.RoomID)
if err != nil {
return err
}
membershipEventNID, stillInRoom, err := r.DB.GetMembership(ctx, roomNID, request.Sender)
if err != nil {
return err
}
if membershipEventNID == 0 {
response.HasBeenInRoom = false
response.JoinEvents = nil
return nil
}
response.HasBeenInRoom = true
response.JoinEvents = []gomatrixserverlib.ClientEvent{}
var events []types.Event
if stillInRoom {
var eventNIDs []types.EventNID
eventNIDs, err = r.DB.GetMembershipEventNIDsForRoom(ctx, roomNID, request.JoinedOnly)
if err != nil {
return err
}
events, err = r.DB.Events(ctx, eventNIDs)
} else {
events, err = r.getMembershipsBeforeEventNID(ctx, membershipEventNID, request.JoinedOnly)
}
if err != nil {
return err
}
for _, event := range events {
clientEvent := gomatrixserverlib.ToClientEvent(event.Event, gomatrixserverlib.FormatAll)
response.JoinEvents = append(response.JoinEvents, clientEvent)
}
return nil
}
// getMembershipsBeforeEventNID takes the numeric ID of an event and fetches the state
// of the event's room as it was when this event was fired, then filters the state events to
// only keep the "m.room.member" events with a "join" membership. These events are returned.
// Returns an error if there was an issue fetching the events.
func (r *RoomserverQueryAPI) getMembershipsBeforeEventNID(
ctx context.Context, eventNID types.EventNID, joinedOnly bool,
) ([]types.Event, error) {
events := []types.Event{}
// Lookup the event NID
eIDs, err := r.DB.EventIDs(ctx, []types.EventNID{eventNID})
if err != nil {
return nil, err
}
eventIDs := []string{eIDs[eventNID]}
prevState, err := r.DB.StateAtEventIDs(ctx, eventIDs)
if err != nil {
return nil, err
}
// Fetch the state as it was when this event was fired
stateEntries, err := state.LoadCombinedStateAfterEvents(ctx, r.DB, prevState)
if err != nil {
return nil, err
}
var eventNIDs []types.EventNID
for _, entry := range stateEntries {
// Filter the events to retrieve to only keep the membership events
if entry.EventTypeNID == types.MRoomMemberNID {
eventNIDs = append(eventNIDs, entry.EventNID)
}
}
// Get all of the events in this state
stateEvents, err := r.DB.Events(ctx, eventNIDs)
if err != nil {
return nil, err
}
if !joinedOnly {
return stateEvents, nil
}
// Filter the events to only keep the "join" membership events
for _, event := range stateEvents {
membership, err := event.Membership()
if err != nil {
return nil, err
}
if membership == gomatrixserverlib.Join {
events = append(events, event)
}
}
return events, nil
}
// QueryInvitesForUser implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryInvitesForUser(
ctx context.Context,
request *api.QueryInvitesForUserRequest,
response *api.QueryInvitesForUserResponse,
) error {
roomNID, err := r.DB.RoomNID(ctx, request.RoomID)
if err != nil {
return err
}
targetUserNIDs, err := r.DB.EventStateKeyNIDs(ctx, []string{request.TargetUserID})
if err != nil {
return err
}
targetUserNID := targetUserNIDs[request.TargetUserID]
senderUserNIDs, err := r.DB.GetInvitesForUser(ctx, roomNID, targetUserNID)
if err != nil {
return err
}
senderUserIDs, err := r.DB.EventStateKeys(ctx, senderUserNIDs)
if err != nil {
return err
}
for _, senderUserID := range senderUserIDs {
response.InviteSenderUserIDs = append(response.InviteSenderUserIDs, senderUserID)
}
return nil
}
// QueryServerAllowedToSeeEvent implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryServerAllowedToSeeEvent(
ctx context.Context,
request *api.QueryServerAllowedToSeeEventRequest,
response *api.QueryServerAllowedToSeeEventResponse,
) (err error) {
response.AllowedToSeeEvent, err = r.checkServerAllowedToSeeEvent(
ctx, request.EventID, request.ServerName,
)
return
}
func (r *RoomserverQueryAPI) checkServerAllowedToSeeEvent(
ctx context.Context, eventID string, serverName gomatrixserverlib.ServerName,
) (bool, error) {
stateEntries, err := state.LoadStateAtEvent(ctx, r.DB, eventID)
if err != nil {
return false, err
}
// TODO: We probably want to make it so that we don't have to pull
// out all the state if possible.
stateAtEvent, err := r.loadStateEvents(ctx, stateEntries)
if err != nil {
return false, err
}
return auth.IsServerAllowed(serverName, stateAtEvent), nil
}
// QueryMissingEvents implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryMissingEvents(
ctx context.Context,
request *api.QueryMissingEventsRequest,
response *api.QueryMissingEventsResponse,
) error {
var front []string
eventsToFilter := make(map[string]bool, len(request.LatestEvents))
visited := make(map[string]bool, request.Limit) // request.Limit acts as a hint to size.
for _, id := range request.EarliestEvents {
visited[id] = true
}
for _, id := range request.LatestEvents {
if !visited[id] {
front = append(front, id)
eventsToFilter[id] = true
}
}
resultNIDs, err := r.scanEventTree(ctx, front, visited, request.Limit, request.ServerName)
if err != nil {
return err
}
loadedEvents, err := r.loadEvents(ctx, resultNIDs)
if err != nil {
return err
}
response.Events = make([]gomatrixserverlib.Event, 0, len(loadedEvents)-len(eventsToFilter))
for _, event := range loadedEvents {
if !eventsToFilter[event.EventID()] {
response.Events = append(response.Events, event)
}
}
return err
}
// QueryBackfill implements api.RoomServerQueryAPI
func (r *RoomserverQueryAPI) QueryBackfill(
ctx context.Context,
request *api.QueryBackfillRequest,
response *api.QueryBackfillResponse,
) error {
var err error
var front []string
// The limit defines the maximum number of events to retrieve, so it also
// defines the highest number of elements in the map below.
visited := make(map[string]bool, request.Limit)
// The provided event IDs have already been seen by the request's emitter,
// and will be retrieved anyway, so there's no need to care about them if
// they appear in our exploration of the event tree.
for _, id := range request.EarliestEventsIDs {
visited[id] = true
}
front = request.EarliestEventsIDs
// Scan the event tree for events to send back.
resultNIDs, err := r.scanEventTree(ctx, front, visited, request.Limit, request.ServerName)
if err != nil {
return err
}
// Retrieve events from the list that was filled previously.
response.Events, err = r.loadEvents(ctx, resultNIDs)
return err
}
func (r *RoomserverQueryAPI) scanEventTree(
ctx context.Context, front []string, visited map[string]bool, limit int,
serverName gomatrixserverlib.ServerName,
) (resultNIDs []types.EventNID, err error) {
var allowed bool
var events []types.Event
var next []string
var pre string
resultNIDs = make([]types.EventNID, 0, limit)
// Loop through the event IDs to retrieve the requested events and go
// through the whole tree (up to the provided limit) using the events'
// "prev_event" key.
BFSLoop:
for len(front) > 0 {
// Prevent unnecessary allocations: reset the slice only when not empty.
if len(next) > 0 {
next = make([]string, 0)
}
// Retrieve the events to process from the database.
events, err = r.DB.EventsFromIDs(ctx, front)
if err != nil {
return
}
for _, ev := range events {
// Break out of the loop if the provided limit is reached.
if len(resultNIDs) == limit {
break BFSLoop
}
// Update the list of events to retrieve.
resultNIDs = append(resultNIDs, ev.EventNID)
// Loop through the event's parents.
for _, pre = range ev.PrevEventIDs() {
// Only add an event to the list of next events to process if it
// hasn't been seen before.
if !visited[pre] {
visited[pre] = true
allowed, err = r.checkServerAllowedToSeeEvent(ctx, pre, serverName)
if err != nil {
return
}
// If the event hasn't been seen before and the HS
// requesting to retrieve it is allowed to do so, add it to
// the list of events to retrieve.
if allowed {
next = append(next, pre)
}
}
}
}
// Repeat the same process with the parent events we just processed.
front = next
}
return
}
// QueryStateAndAuthChain implements api.RoomserverQueryAPI
func (r *RoomserverQueryAPI) QueryStateAndAuthChain(
ctx context.Context,
request *api.QueryStateAndAuthChainRequest,
response *api.QueryStateAndAuthChainResponse,
) error {
response.QueryStateAndAuthChainRequest = *request
roomNID, err := r.DB.RoomNID(ctx, request.RoomID)
if err != nil {
return err
}
if roomNID == 0 {
return nil
}
response.RoomExists = true
prevStates, err := r.DB.StateAtEventIDs(ctx, request.PrevEventIDs)
if err != nil {
switch err.(type) {
case types.MissingEventError:
return nil
default:
return err
}
}
response.PrevEventsExist = true
// Look up the currrent state for the requested tuples.
stateEntries, err := state.LoadCombinedStateAfterEvents(
ctx, r.DB, prevStates,
)
if err != nil {
return err
}
stateEvents, err := r.loadStateEvents(ctx, stateEntries)
if err != nil {
return err
}
response.StateEvents = stateEvents
response.AuthChainEvents, err = getAuthChain(ctx, r.DB, request.AuthEventIDs)
return err
}
// getAuthChain fetches the auth chain for the given auth events.
// An auth chain is the list of all events that are referenced in the
// auth_events section, and all their auth_events, recursively.
// The returned set of events contain the given events.
// Will *not* error if we don't have all auth events.
func getAuthChain(
ctx context.Context, dB RoomserverQueryAPIEventDB, authEventIDs []string,
) ([]gomatrixserverlib.Event, error) {
var authEvents []gomatrixserverlib.Event
// List of event ids to fetch. These will be added to the result and
// their auth events will be fetched (if they haven't been previously)
eventsToFetch := authEventIDs
// Set of events we've already fetched.
fetchedEventMap := make(map[string]bool)
// Check if there's anything left to do
for len(eventsToFetch) > 0 {
// Convert eventIDs to events. First need to fetch NIDs
events, err := dB.EventsFromIDs(ctx, eventsToFetch)
if err != nil {
return nil, err
}
// Work out a) which events we should add to the returned list of
// events and b) which of the auth events we haven't seen yet and
// add them to the list of events to fetch.
eventsToFetch = eventsToFetch[:0]
for _, event := range events {
fetchedEventMap[event.EventID()] = true
authEvents = append(authEvents, event.Event)
// Now we need to fetch any auth events that we haven't
// previously seen.
for _, authEventID := range event.AuthEventIDs() {
if !fetchedEventMap[authEventID] {
fetchedEventMap[authEventID] = true
eventsToFetch = append(eventsToFetch, authEventID)
}
}
}
}
return authEvents, nil
}
// SetupHTTP adds the RoomserverQueryAPI handlers to the http.ServeMux.
// nolint: gocyclo
func (r *RoomserverQueryAPI) SetupHTTP(servMux *http.ServeMux) {
servMux.Handle(
api.RoomserverQueryLatestEventsAndStatePath,
common.MakeInternalAPI("queryLatestEventsAndState", func(req *http.Request) util.JSONResponse {
var request api.QueryLatestEventsAndStateRequest
var response api.QueryLatestEventsAndStateResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryLatestEventsAndState(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryStateAfterEventsPath,
common.MakeInternalAPI("queryStateAfterEvents", func(req *http.Request) util.JSONResponse {
var request api.QueryStateAfterEventsRequest
var response api.QueryStateAfterEventsResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryStateAfterEvents(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryEventsByIDPath,
common.MakeInternalAPI("queryEventsByID", func(req *http.Request) util.JSONResponse {
var request api.QueryEventsByIDRequest
var response api.QueryEventsByIDResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryEventsByID(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryMembershipForUserPath,
common.MakeInternalAPI("QueryMembershipForUser", func(req *http.Request) util.JSONResponse {
var request api.QueryMembershipForUserRequest
var response api.QueryMembershipForUserResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryMembershipForUser(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryMembershipsForRoomPath,
common.MakeInternalAPI("queryMembershipsForRoom", func(req *http.Request) util.JSONResponse {
var request api.QueryMembershipsForRoomRequest
var response api.QueryMembershipsForRoomResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryMembershipsForRoom(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryInvitesForUserPath,
common.MakeInternalAPI("queryInvitesForUser", func(req *http.Request) util.JSONResponse {
var request api.QueryInvitesForUserRequest
var response api.QueryInvitesForUserResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryInvitesForUser(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryServerAllowedToSeeEventPath,
common.MakeInternalAPI("queryServerAllowedToSeeEvent", func(req *http.Request) util.JSONResponse {
var request api.QueryServerAllowedToSeeEventRequest
var response api.QueryServerAllowedToSeeEventResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryServerAllowedToSeeEvent(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryMissingEventsPath,
common.MakeInternalAPI("queryMissingEvents", func(req *http.Request) util.JSONResponse {
var request api.QueryMissingEventsRequest
var response api.QueryMissingEventsResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryMissingEvents(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryStateAndAuthChainPath,
common.MakeInternalAPI("queryStateAndAuthChain", func(req *http.Request) util.JSONResponse {
var request api.QueryStateAndAuthChainRequest
var response api.QueryStateAndAuthChainResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryStateAndAuthChain(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
servMux.Handle(
api.RoomserverQueryBackfillPath,
common.MakeInternalAPI("QueryBackfill", func(req *http.Request) util.JSONResponse {
var request api.QueryBackfillRequest
var response api.QueryBackfillResponse
if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
return util.ErrorResponse(err)
}
if err := r.QueryBackfill(req.Context(), &request, &response); err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{Code: http.StatusOK, JSON: &response}
}),
)
}