diff --git a/syncapi/routing/messages.go b/syncapi/routing/messages.go index 865203a9b..64e0fa684 100644 --- a/syncapi/routing/messages.go +++ b/syncapi/routing/messages.go @@ -25,6 +25,7 @@ import ( "github.com/matrix-org/dendrite/roomserver/api" "github.com/matrix-org/dendrite/setup/config" "github.com/matrix-org/dendrite/syncapi/storage" + "github.com/matrix-org/dendrite/syncapi/sync" "github.com/matrix-org/dendrite/syncapi/types" userapi "github.com/matrix-org/dendrite/userapi/api" "github.com/matrix-org/gomatrixserverlib" @@ -65,6 +66,7 @@ func OnIncomingMessagesRequest( federation *gomatrixserverlib.FederationClient, rsAPI api.RoomserverInternalAPI, cfg *config.SyncAPI, + srp *sync.RequestPool, ) util.JSONResponse { var err error @@ -84,9 +86,17 @@ func OnIncomingMessagesRequest( // Extract parameters from the request's URL. // Pagination tokens. var fromStream *types.StreamingToken - from, err := types.NewTopologyTokenFromString(req.URL.Query().Get("from")) + fromQuery := req.URL.Query().Get("from") + if fromQuery == "" { + // NOTSPEC: We will pretend they used the latest sync token if no ?from= was provided. + // We do this to allow clients to get messages without having to call `/sync` e.g Cerulean + currPos := srp.Notifier.CurrentPosition() + fromQuery = currPos.String() + } + + from, err := types.NewTopologyTokenFromString(fromQuery) if err != nil { - fs, err2 := types.NewStreamTokenFromString(req.URL.Query().Get("from")) + fs, err2 := types.NewStreamTokenFromString(fromQuery) fromStream = &fs if err2 != nil { return util.JSONResponse{ diff --git a/syncapi/routing/routing.go b/syncapi/routing/routing.go index 20152b48f..e2ff27395 100644 --- a/syncapi/routing/routing.go +++ b/syncapi/routing/routing.go @@ -51,7 +51,7 @@ func Setup( if err != nil { return util.ErrorResponse(err) } - return OnIncomingMessagesRequest(req, syncDB, vars["roomID"], device, federation, rsAPI, cfg) + return OnIncomingMessagesRequest(req, syncDB, vars["roomID"], device, federation, rsAPI, cfg, srp) })).Methods(http.MethodGet, http.MethodOptions) r0mux.Handle("/user/{userId}/filter", diff --git a/syncapi/sync/requestpool.go b/syncapi/sync/requestpool.go index 32dfb2d61..3a31edd02 100644 --- a/syncapi/sync/requestpool.go +++ b/syncapi/sync/requestpool.go @@ -44,7 +44,7 @@ type RequestPool struct { db storage.Database cfg *config.SyncAPI userAPI userapi.UserInternalAPI - notifier *Notifier + Notifier *Notifier keyAPI keyapi.KeyInternalAPI rsAPI roomserverAPI.RoomserverInternalAPI lastseen sync.Map @@ -152,7 +152,7 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *userapi. rp.updateLastSeen(req, device) - currPos := rp.notifier.CurrentPosition() + currPos := rp.Notifier.CurrentPosition() if rp.shouldReturnImmediately(syncReq) { syncData, err = rp.currentSyncForUser(*syncReq, currPos) @@ -176,7 +176,7 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *userapi. timer := time.NewTimer(syncReq.timeout) // case of timeout=0 is handled above defer timer.Stop() - userStreamListener := rp.notifier.GetListener(*syncReq) + userStreamListener := rp.Notifier.GetListener(*syncReq) defer userStreamListener.Close() // We need the loop in case userStreamListener wakes up even if there isn't