mirror of
https://github.com/1f349/dendrite.git
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e80098e186
* bugfix: retire invites even when we cannot talk to the remote server to make/send_leave Also modify the leave response in /sync to include a fake event as this is ultimately what clients (and sytest) will use to determine leave-ness. * hash the event ID * Base64 not hex
81 lines
1.9 KiB
Go
81 lines
1.9 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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"strconv"
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"time"
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"github.com/matrix-org/dendrite/syncapi/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type InviteStreamProvider struct {
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StreamProvider
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}
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func (p *InviteStreamProvider) Setup() {
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p.StreamProvider.Setup()
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p.latestMutex.Lock()
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defer p.latestMutex.Unlock()
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id, err := p.DB.MaxStreamPositionForInvites(context.Background())
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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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req *types.SyncRequest,
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) types.StreamPosition {
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return p.IncrementalSync(ctx, 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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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, err := p.DB.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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for roomID, inviteEvent := range invites {
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ir := types.NewInviteResponse(inviteEvent)
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req.Response.Rooms.Invite[roomID] = *ir
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}
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for roomID := range retiredInvites {
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if _, ok := req.Response.Rooms.Join[roomID]; !ok {
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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, gomatrixserverlib.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: gomatrixserverlib.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: gomatrixserverlib.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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}
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return to
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}
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