Fix syncAPI redactions (#3118)

Previously we were setting `redacted_because` to the PDU event, but as
per the spec it should really be a client event.
This fixes it.
This commit is contained in:
Till 2023-06-28 10:05:00 +02:00 committed by GitHub
parent 45082d4dce
commit a5ea928d0f
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 67 additions and 6 deletions

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@ -22,6 +22,7 @@ import (
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/dendrite/syncapi/synctypes"
"github.com/matrix-org/gomatrixserverlib/fclient"
"github.com/matrix-org/gomatrixserverlib/spec"
@ -169,13 +170,22 @@ func truncateAuthAndPrevEvents(auth, prev []string) (
// RedactEvent redacts the given event and sets the unsigned field appropriately. This should be used by
// downstream components to the roomserver when an OutputTypeRedactedEvent occurs.
func RedactEvent(redactionEvent, redactedEvent gomatrixserverlib.PDU) error {
func RedactEvent(ctx context.Context, redactionEvent, redactedEvent gomatrixserverlib.PDU, querier api.QuerySenderIDAPI) error {
// sanity check
if redactionEvent.Type() != spec.MRoomRedaction {
return fmt.Errorf("RedactEvent: redactionEvent isn't a redaction event, is '%s'", redactionEvent.Type())
}
redactedEvent.Redact()
if err := redactedEvent.SetUnsignedField("redacted_because", redactionEvent); err != nil {
validRoomID, err := spec.NewRoomID(redactionEvent.RoomID())
if err != nil {
return err
}
senderID, err := querier.QueryUserIDForSender(ctx, *validRoomID, redactionEvent.SenderID())
if err != nil {
return err
}
redactedBecause := synctypes.ToClientEvent(redactionEvent, synctypes.FormatSync, *senderID, redactionEvent.StateKey())
if err := redactedEvent.SetUnsignedField("redacted_because", redactedBecause); err != nil {
return err
}
// NOTSPEC: sytest relies on this unspecced field existing :(

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@ -151,7 +151,7 @@ func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msgs []*nats.Ms
func (s *OutputRoomEventConsumer) onRedactEvent(
ctx context.Context, msg api.OutputRedactedEvent,
) error {
err := s.db.RedactEvent(ctx, msg.RedactedEventID, msg.RedactedBecause)
err := s.db.RedactEvent(ctx, msg.RedactedEventID, msg.RedactedBecause, s.rsAPI)
if err != nil {
log.WithError(err).Error("RedactEvent error'd")
return err

View File

@ -174,7 +174,7 @@ type Database interface {
// goes wrong.
PutFilter(ctx context.Context, localpart string, filter *synctypes.Filter) (string, error)
// RedactEvent wipes an event in the database and sets the unsigned.redacted_because key to the redaction event
RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent) error
RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent, querier api.QuerySenderIDAPI) error
// StoreReceipt stores new receipt events
StoreReceipt(ctx context.Context, roomId, receiptType, userId, eventId string, timestamp spec.Timestamp) (pos types.StreamPosition, err error)
UpdateIgnoresForUser(ctx context.Context, userID string, ignores *types.IgnoredUsers) error

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@ -364,7 +364,7 @@ func (d *Database) PutFilter(
return filterID, err
}
func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent) error {
func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent, querier api.QuerySenderIDAPI) error {
redactedEvents, err := d.Events(ctx, []string{redactedEventID})
if err != nil {
return err
@ -375,7 +375,7 @@ func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, reda
}
eventToRedact := redactedEvents[0].PDU
redactionEvent := redactedBecause.PDU
if err = eventutil.RedactEvent(redactionEvent, eventToRedact); err != nil {
if err = eventutil.RedactEvent(ctx, redactionEvent, eventToRedact, querier); err != nil {
return err
}

View File

@ -10,6 +10,7 @@ import (
"testing"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/roomserver/api"
rstypes "github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/syncapi/storage"
@ -19,6 +20,7 @@ import (
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/stretchr/testify/assert"
"github.com/tidwall/gjson"
)
var ctx = context.Background()
@ -978,3 +980,52 @@ func TestRecentEvents(t *testing.T) {
}
})
}
type FakeQuerier struct {
api.QuerySenderIDAPI
}
func (f *FakeQuerier) QueryUserIDForSender(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
return spec.NewUserID(string(senderID), true)
}
func TestRedaction(t *testing.T) {
alice := test.NewUser(t)
room := test.NewRoom(t, alice)
redactedEvent := room.CreateAndInsert(t, alice, "m.room.message", map[string]interface{}{"body": "hi"})
redactionEvent := room.CreateEvent(t, alice, spec.MRoomRedaction, map[string]string{"redacts": redactedEvent.EventID()})
test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
db, close := MustCreateDatabase(t, dbType)
t.Cleanup(close)
MustWriteEvents(t, db, room.Events())
err := db.RedactEvent(context.Background(), redactedEvent.EventID(), redactionEvent, &FakeQuerier{})
if err != nil {
t.Fatal(err)
}
evs, err := db.Events(context.Background(), []string{redactedEvent.EventID()})
if err != nil {
t.Fatal(err)
}
if len(evs) != 1 {
t.Fatalf("expected 1 event, got %d", len(evs))
}
// check a few fields which shouldn't be there in unsigned
authEvs := gjson.GetBytes(evs[0].Unsigned(), "redacted_because.auth_events")
if authEvs.Exists() {
t.Error("unexpected auth_events in redacted event")
}
prevEvs := gjson.GetBytes(evs[0].Unsigned(), "redacted_because.prev_events")
if prevEvs.Exists() {
t.Error("unexpected auth_events in redacted event")
}
depth := gjson.GetBytes(evs[0].Unsigned(), "redacted_because.depth")
if depth.Exists() {
t.Error("unexpected auth_events in redacted event")
}
})
}