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NOTSPEC: Make ?from= optional in /messages (#1647)

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Kegsay 2020-12-16 17:31:03 +00:00 • committed by GitHub
parent 56b5847c74
commit 42e9cbf342
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3 changed files with 16 additions and 6 deletions
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14
syncapi/routing/messages.go
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@ -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{