mirror of
https://github.com/hoernschen/dendrite.git
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db83789654
Fixes a variety of issues where clients were receiving pseudoIDs in places that should be userIDs. This change makes pseudoIDs work with sliding sync & element x. --------- Co-authored-by: Till <2353100+S7evinK@users.noreply.github.com>
120 lines
3.2 KiB
Go
120 lines
3.2 KiB
Go
package streams
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import (
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"context"
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"crypto/sha256"
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"encoding/base64"
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"math"
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"strconv"
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"time"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/syncapi/storage"
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"github.com/matrix-org/dendrite/syncapi/synctypes"
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"github.com/matrix-org/dendrite/syncapi/types"
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)
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type InviteStreamProvider struct {
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DefaultStreamProvider
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rsAPI api.SyncRoomserverAPI
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}
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func (p *InviteStreamProvider) Setup(
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ctx context.Context, snapshot storage.DatabaseTransaction,
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) {
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p.DefaultStreamProvider.Setup(ctx, snapshot)
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p.latestMutex.Lock()
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defer p.latestMutex.Unlock()
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id, err := snapshot.MaxStreamPositionForInvites(ctx)
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if err != nil {
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panic(err)
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}
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p.latest = id
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}
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func (p *InviteStreamProvider) CompleteSync(
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ctx context.Context,
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snapshot storage.DatabaseTransaction,
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req *types.SyncRequest,
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) types.StreamPosition {
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return p.IncrementalSync(ctx, snapshot, req, 0, p.LatestPosition(ctx))
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}
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func (p *InviteStreamProvider) IncrementalSync(
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ctx context.Context,
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snapshot storage.DatabaseTransaction,
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req *types.SyncRequest,
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from, to types.StreamPosition,
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) types.StreamPosition {
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r := types.Range{
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From: from,
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To: to,
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}
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invites, retiredInvites, maxID, err := snapshot.InviteEventsInRange(
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ctx, req.Device.UserID, r,
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)
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if err != nil {
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req.Log.WithError(err).Error("p.DB.InviteEventsInRange failed")
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return from
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}
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eventFormat := synctypes.FormatSync
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if req.Filter.EventFormat == synctypes.EventFormatFederation {
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eventFormat = synctypes.FormatSyncFederation
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}
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for roomID, inviteEvent := range invites {
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user := spec.UserID{}
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sender, err := p.rsAPI.QueryUserIDForSender(ctx, inviteEvent.RoomID(), inviteEvent.SenderID())
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if err == nil && sender != nil {
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user = *sender
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}
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// skip ignored user events
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if _, ok := req.IgnoredUsers.List[user.String()]; ok {
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continue
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}
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ir, err := types.NewInviteResponse(ctx, p.rsAPI, inviteEvent, eventFormat)
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if err != nil {
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req.Log.WithError(err).Error("failed creating invite response")
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continue
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}
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req.Response.Rooms.Invite[roomID] = ir
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}
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// When doing an initial sync, we don't want to add retired invites, as this
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// can add rooms we were invited to, but already left.
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if from == 0 {
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return to
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}
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for roomID := range retiredInvites {
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membership, _, err := snapshot.SelectMembershipForUser(ctx, roomID, req.Device.UserID, math.MaxInt64)
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// Skip if the user is an existing member of the room.
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// Otherwise, the NewLeaveResponse will eject the user from the room unintentionally
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if membership == spec.Join ||
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err != nil {
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continue
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}
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lr := types.NewLeaveResponse()
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h := sha256.Sum256(append([]byte(roomID), []byte(strconv.FormatInt(int64(to), 10))...))
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lr.Timeline.Events = append(lr.Timeline.Events, synctypes.ClientEvent{
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// fake event ID which muxes in the to position
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EventID: "$" + base64.RawURLEncoding.EncodeToString(h[:]),
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OriginServerTS: spec.AsTimestamp(time.Now()),
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RoomID: roomID,
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Sender: req.Device.UserID,
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StateKey: &req.Device.UserID,
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Type: "m.room.member",
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Content: spec.RawJSON(`{"membership":"leave"}`),
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})
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req.Response.Rooms.Leave[roomID] = lr
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}
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return maxID
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}
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