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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.
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commit
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@ -22,6 +22,7 @@ import (
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/dendrite/syncapi/synctypes"
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"github.com/matrix-org/gomatrixserverlib/fclient"
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"github.com/matrix-org/gomatrixserverlib/spec"
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@ -169,13 +170,22 @@ func truncateAuthAndPrevEvents(auth, prev []string) (
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// RedactEvent redacts the given event and sets the unsigned field appropriately. This should be used by
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// downstream components to the roomserver when an OutputTypeRedactedEvent occurs.
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func RedactEvent(redactionEvent, redactedEvent gomatrixserverlib.PDU) error {
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func RedactEvent(ctx context.Context, redactionEvent, redactedEvent gomatrixserverlib.PDU, querier api.QuerySenderIDAPI) error {
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// sanity check
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if redactionEvent.Type() != spec.MRoomRedaction {
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return fmt.Errorf("RedactEvent: redactionEvent isn't a redaction event, is '%s'", redactionEvent.Type())
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}
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redactedEvent.Redact()
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if err := redactedEvent.SetUnsignedField("redacted_because", redactionEvent); err != nil {
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validRoomID, err := spec.NewRoomID(redactionEvent.RoomID())
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if err != nil {
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return err
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}
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senderID, err := querier.QueryUserIDForSender(ctx, *validRoomID, redactionEvent.SenderID())
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if err != nil {
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return err
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}
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redactedBecause := synctypes.ToClientEvent(redactionEvent, synctypes.FormatSync, *senderID, redactionEvent.StateKey())
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if err := redactedEvent.SetUnsignedField("redacted_because", redactedBecause); err != nil {
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return err
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}
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// 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
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func (s *OutputRoomEventConsumer) onRedactEvent(
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ctx context.Context, msg api.OutputRedactedEvent,
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) error {
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err := s.db.RedactEvent(ctx, msg.RedactedEventID, msg.RedactedBecause)
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err := s.db.RedactEvent(ctx, msg.RedactedEventID, msg.RedactedBecause, s.rsAPI)
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if err != nil {
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log.WithError(err).Error("RedactEvent error'd")
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return err
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@ -174,7 +174,7 @@ type Database interface {
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// goes wrong.
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PutFilter(ctx context.Context, localpart string, filter *synctypes.Filter) (string, error)
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// RedactEvent wipes an event in the database and sets the unsigned.redacted_because key to the redaction event
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RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent) error
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RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent, querier api.QuerySenderIDAPI) error
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// StoreReceipt stores new receipt events
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StoreReceipt(ctx context.Context, roomId, receiptType, userId, eventId string, timestamp spec.Timestamp) (pos types.StreamPosition, err error)
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UpdateIgnoresForUser(ctx context.Context, userID string, ignores *types.IgnoredUsers) error
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@ -364,7 +364,7 @@ func (d *Database) PutFilter(
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return filterID, err
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}
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func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent) error {
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func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, redactedBecause *rstypes.HeaderedEvent, querier api.QuerySenderIDAPI) error {
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redactedEvents, err := d.Events(ctx, []string{redactedEventID})
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if err != nil {
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return err
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@ -375,7 +375,7 @@ func (d *Database) RedactEvent(ctx context.Context, redactedEventID string, reda
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}
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eventToRedact := redactedEvents[0].PDU
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redactionEvent := redactedBecause.PDU
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if err = eventutil.RedactEvent(redactionEvent, eventToRedact); err != nil {
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if err = eventutil.RedactEvent(ctx, redactionEvent, eventToRedact, querier); err != nil {
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return err
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}
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@ -10,6 +10,7 @@ import (
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"testing"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/roomserver/api"
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rstypes "github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/dendrite/syncapi/storage"
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@ -19,6 +20,7 @@ import (
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/stretchr/testify/assert"
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"github.com/tidwall/gjson"
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)
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var ctx = context.Background()
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@ -978,3 +980,52 @@ func TestRecentEvents(t *testing.T) {
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}
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})
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}
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type FakeQuerier struct {
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api.QuerySenderIDAPI
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}
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func (f *FakeQuerier) QueryUserIDForSender(ctx context.Context, roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
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return spec.NewUserID(string(senderID), true)
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}
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func TestRedaction(t *testing.T) {
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alice := test.NewUser(t)
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room := test.NewRoom(t, alice)
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redactedEvent := room.CreateAndInsert(t, alice, "m.room.message", map[string]interface{}{"body": "hi"})
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redactionEvent := room.CreateEvent(t, alice, spec.MRoomRedaction, map[string]string{"redacts": redactedEvent.EventID()})
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test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
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db, close := MustCreateDatabase(t, dbType)
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t.Cleanup(close)
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MustWriteEvents(t, db, room.Events())
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err := db.RedactEvent(context.Background(), redactedEvent.EventID(), redactionEvent, &FakeQuerier{})
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if err != nil {
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t.Fatal(err)
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}
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evs, err := db.Events(context.Background(), []string{redactedEvent.EventID()})
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if err != nil {
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t.Fatal(err)
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}
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if len(evs) != 1 {
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t.Fatalf("expected 1 event, got %d", len(evs))
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}
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// check a few fields which shouldn't be there in unsigned
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authEvs := gjson.GetBytes(evs[0].Unsigned(), "redacted_because.auth_events")
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if authEvs.Exists() {
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t.Error("unexpected auth_events in redacted event")
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}
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prevEvs := gjson.GetBytes(evs[0].Unsigned(), "redacted_because.prev_events")
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if prevEvs.Exists() {
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t.Error("unexpected auth_events in redacted event")
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}
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depth := gjson.GetBytes(evs[0].Unsigned(), "redacted_because.depth")
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if depth.Exists() {
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t.Error("unexpected auth_events in redacted event")
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}
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})
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}
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