// PushHandler adds a new ibm handler to our list. This is usually triggered
// when an external entity (like Electron) connects to the service, and we can
// safely send Gregor information to it
func (g *gregorHandler) PushHandler(handler libkb.GregorInBandMessageHandler) {
g.Lock()
defer g.Unlock()
g.G().Log.Debug("pushing inband handler %s to position %d", handler.Name(), len(g.ibmHandlers))
g.ibmHandlers = append(g.ibmHandlers, handler)
// Only try replaying if we are logged in, it's possible that a handler can
// attach before that is true (like if we start the service logged out and
// Electron connects)
if g.IsConnected() {
if _, err := g.replayInBandMessages(context.TODO(), gregor1.IncomingClient{Cli: g.cli},
time.Time{}, handler); err != nil {
g.Errorf("replayInBandMessages on PushHandler failed: %s", err)
}
}
}
// handleInBandMessageWithHandler runs a message against the specified handler
func (g *gregorHandler) handleInBandMessageWithHandler(ctx context.Context, cli gregor1.IncomingInterface,
ibm gregor.InBandMessage, handler libkb.GregorInBandMessageHandler) (bool, error) {
g.Debug("handleInBand: %+v", ibm)
gcli, err := g.getGregorCli()
if err != nil {
return false, err
}
state, err := gcli.StateMachineState(nil)
if err != nil {
return false, err
}
sync := ibm.ToStateSyncMessage()
if sync != nil {
g.Debug("state sync message")
return false, nil
}
update := ibm.ToStateUpdateMessage()
if update != nil {
g.Debug("state update message")
item := update.Creation()
if item != nil {
id := item.Metadata().MsgID().String()
g.Debug("msg ID %s created ctime: %s", id,
item.Metadata().CTime())
category := ""
if item.Category() != nil {
category = item.Category().String()
g.Debug("item %s has category %s", id, category)
}
if handled, err := handler.Create(ctx, cli, category, item); err != nil {
return handled, err
}
}
dismissal := update.Dismissal()
if dismissal != nil {
g.Debug("received dismissal")
for _, id := range dismissal.MsgIDsToDismiss() {
item, present := state.GetItem(id)
if !present {
g.Debug("tried to dismiss item %s, not present", id.String())
continue
}
g.Debug("dismissing item %s", id.String())
category := ""
if item.Category() != nil {
category = item.Category().String()
g.Debug("dismissal %s has category %s", id, category)
}
if handled, err := handler.Dismiss(ctx, cli, category, item); handled && err != nil {
return handled, err
}
}
if len(dismissal.RangesToDismiss()) > 0 {
g.Debug("message range dismissing not implemented")
}
}
return true, nil
}
return false, nil
}