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Only handle actual membershp changes

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Till Faelligen 2022-08-24 14:28:09 +02:00
parent 6eb1469868
commit af6ca1ab26
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1 changed files with 13 additions and 14 deletions
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27
syncapi/storage/shared/syncserver.go
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@ -20,15 +20,18 @@ import (
"encoding/json"
"fmt"
"github.com/tidwall/gjson"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/internal/eventutil"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/sirupsen/logrus"
)
// Database is a temporary struct until we have made syncserver.go the same for both pq/sqlite
@ -769,13 +772,8 @@ func (d *Database) GetStateDeltas(
// handle newly joined rooms and non-joined rooms
for roomID, stateStreamEvents := range state {
for _, ev := range stateStreamEvents {
// TODO: Currently this will incorrectly add rooms which were ALREADY joined but they sent another no-op join event.
// We should be checking if the user was already joined at fromPos and not proceed if so. As a result of this,
// dupe join events will result in the entire room state coming down to the client again. This is added in
// the 'state' part of the response though, so is transparent modulo bandwidth concerns as it is not added to
// the timeline.
if membership := getMembershipFromEvent(ev.Event, userID); membership != "" {
if membership == gomatrixserverlib.Join {
if membership, prevMembership := getMembershipFromEvent(ev.Event, userID); membership != "" {
if membership == gomatrixserverlib.Join && prevMembership != membership {
// send full room state down instead of a delta
var s []types.StreamEvent
s, err = d.currentStateStreamEventsForRoom(ctx, txn, roomID, stateFilter)
@ -892,7 +890,7 @@ func (d *Database) GetStateDeltasForFullStateSync(
for roomID, stateStreamEvents := range state {
for _, ev := range stateStreamEvents {
if membership := getMembershipFromEvent(ev.Event, userID); membership != "" {
if membership, _ := getMembershipFromEvent(ev.Event, userID); membership != "" {
if membership != gomatrixserverlib.Join { // We've already added full state for all joined rooms above.
deltas[roomID] = types.StateDelta{
Membership: membership,
@ -1003,15 +1001,16 @@ func (d *Database) CleanSendToDeviceUpdates(
// getMembershipFromEvent returns the value of content.membership iff the event is a state event
// with type 'm.room.member' and state_key of userID. Otherwise, an empty string is returned.
func getMembershipFromEvent(ev *gomatrixserverlib.Event, userID string) string {
func getMembershipFromEvent(ev *gomatrixserverlib.Event, userID string) (string, string) {
if ev.Type() != "m.room.member" || !ev.StateKeyEquals(userID) {
return ""
return "", ""
}
membership, err := ev.Membership()
if err != nil {
return ""
return "", ""
}
return membership
prevMembership := gjson.GetBytes(ev.Unsigned(), "prev_content.membership").Str
return membership, prevMembership
}
// StoreReceipt stores user receipts