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Reset backoff on incoming federation (#1080)

* Reset backoffs in response to incoming federation requests

* Federation wakeups no more than once per minute per origin
This commit is contained in:
Neil Alexander 2020-06-02 12:42:36 +01:00 committed by GitHub
parent 484b6f694c
commit 794c63e757
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 54 additions and 19 deletions

View file

@ -48,7 +48,7 @@ func Setup(
asAPI appserviceAPI.AppServiceQueryAPI,
producer *producers.RoomserverProducer,
eduProducer *producers.EDUServerProducer,
federationSenderAPI federationSenderAPI.FederationSenderInternalAPI,
fsAPI federationSenderAPI.FederationSenderInternalAPI,
keys gomatrixserverlib.KeyRing,
federation *gomatrixserverlib.FederationClient,
accountDB accounts.Database,
@ -58,6 +58,10 @@ func Setup(
v1fedmux := publicAPIMux.PathPrefix(pathPrefixV1Federation).Subrouter()
v2fedmux := publicAPIMux.PathPrefix(pathPrefixV2Federation).Subrouter()
wakeup := &internal.FederationWakeups{
FsAPI: fsAPI,
}
localKeys := internal.MakeExternalAPI("localkeys", func(req *http.Request) util.JSONResponse {
return LocalKeys(cfg)
})
@ -71,7 +75,7 @@ func Setup(
v2keysmux.Handle("/server", localKeys).Methods(http.MethodGet)
v1fedmux.Handle("/send/{txnID}", internal.MakeFedAPI(
"federation_send", cfg.Matrix.ServerName, keys,
"federation_send", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -85,7 +89,7 @@ func Setup(
)).Methods(http.MethodPut, http.MethodOptions)
v2fedmux.Handle("/invite/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_invite", cfg.Matrix.ServerName, keys,
"federation_invite", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -105,7 +109,7 @@ func Setup(
)).Methods(http.MethodPost, http.MethodOptions)
v1fedmux.Handle("/exchange_third_party_invite/{roomID}", internal.MakeFedAPI(
"exchange_third_party_invite", cfg.Matrix.ServerName, keys,
"exchange_third_party_invite", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -118,7 +122,7 @@ func Setup(
)).Methods(http.MethodPut, http.MethodOptions)
v1fedmux.Handle("/event/{eventID}", internal.MakeFedAPI(
"federation_get_event", cfg.Matrix.ServerName, keys,
"federation_get_event", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -131,7 +135,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/state/{roomID}", internal.MakeFedAPI(
"federation_get_state", cfg.Matrix.ServerName, keys,
"federation_get_state", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -144,7 +148,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/state_ids/{roomID}", internal.MakeFedAPI(
"federation_get_state_ids", cfg.Matrix.ServerName, keys,
"federation_get_state_ids", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -157,7 +161,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/event_auth/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_get_event_auth", cfg.Matrix.ServerName, keys,
"federation_get_event_auth", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars := mux.Vars(httpReq)
return GetEventAuth(
@ -167,16 +171,16 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/query/directory", internal.MakeFedAPI(
"federation_query_room_alias", cfg.Matrix.ServerName, keys,
"federation_query_room_alias", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
return RoomAliasToID(
httpReq, federation, cfg, rsAPI, federationSenderAPI,
httpReq, federation, cfg, rsAPI, fsAPI,
)
},
)).Methods(http.MethodGet)
v1fedmux.Handle("/query/profile", internal.MakeFedAPI(
"federation_query_profile", cfg.Matrix.ServerName, keys,
"federation_query_profile", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
return GetProfile(
httpReq, accountDB, cfg, asAPI,
@ -185,7 +189,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/user/devices/{userID}", internal.MakeFedAPI(
"federation_user_devices", cfg.Matrix.ServerName, keys,
"federation_user_devices", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -198,7 +202,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/make_join/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_make_join", cfg.Matrix.ServerName, keys,
"federation_make_join", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -227,7 +231,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/send_join/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_send_join", cfg.Matrix.ServerName, keys,
"federation_send_join", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -249,7 +253,7 @@ func Setup(
)).Methods(http.MethodPut)
v2fedmux.Handle("/send_join/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_send_join", cfg.Matrix.ServerName, keys,
"federation_send_join", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -264,7 +268,7 @@ func Setup(
)).Methods(http.MethodPut)
v1fedmux.Handle("/make_leave/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_make_leave", cfg.Matrix.ServerName, keys,
"federation_make_leave", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -279,7 +283,7 @@ func Setup(
)).Methods(http.MethodGet)
v2fedmux.Handle("/send_leave/{roomID}/{eventID}", internal.MakeFedAPI(
"federation_send_leave", cfg.Matrix.ServerName, keys,
"federation_send_leave", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -301,7 +305,7 @@ func Setup(
)).Methods(http.MethodGet)
v1fedmux.Handle("/get_missing_events/{roomID}", internal.MakeFedAPI(
"federation_get_missing_events", cfg.Matrix.ServerName, keys,
"federation_get_missing_events", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {
@ -312,7 +316,7 @@ func Setup(
)).Methods(http.MethodPost)
v1fedmux.Handle("/backfill/{roomID}", internal.MakeFedAPI(
"federation_backfill", cfg.Matrix.ServerName, keys,
"federation_backfill", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
vars, err := internal.URLDecodeMapValues(mux.Vars(httpReq))
if err != nil {

View file

@ -1,17 +1,20 @@
package internal
import (
"context"
"io"
"net/http"
"net/http/httptest"
"net/http/httputil"
"os"
"strings"
"sync"
"time"
"github.com/gorilla/mux"
"github.com/matrix-org/dendrite/clientapi/auth"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
federationsenderAPI "github.com/matrix-org/dendrite/federationsender/api"
"github.com/matrix-org/dendrite/internal/config"
"github.com/matrix-org/dendrite/internal/httpapis"
"github.com/matrix-org/gomatrixserverlib"
@ -170,6 +173,7 @@ func MakeFedAPI(
metricsName string,
serverName gomatrixserverlib.ServerName,
keyRing gomatrixserverlib.KeyRing,
wakeup *FederationWakeups,
f func(*http.Request, *gomatrixserverlib.FederationRequest) util.JSONResponse,
) http.Handler {
h := func(req *http.Request) util.JSONResponse {
@ -179,11 +183,38 @@ func MakeFedAPI(
if fedReq == nil {
return errResp
}
go wakeup.Wakeup(req.Context(), fedReq.Origin())
return f(req, fedReq)
}
return MakeExternalAPI(metricsName, h)
}
type FederationWakeups struct {
FsAPI federationsenderAPI.FederationSenderInternalAPI
origins sync.Map
}
func (f *FederationWakeups) Wakeup(ctx context.Context, origin gomatrixserverlib.ServerName) {
key, keyok := f.origins.Load(origin)
if keyok {
lastTime, ok := key.(time.Time)
if ok && time.Since(lastTime) < time.Minute {
return
}
}
aliveReq := federationsenderAPI.PerformServersAliveRequest{
Servers: []gomatrixserverlib.ServerName{origin},
}
aliveRes := federationsenderAPI.PerformServersAliveResponse{}
if err := f.FsAPI.PerformServersAlive(ctx, &aliveReq, &aliveRes); err != nil {
util.GetLogger(ctx).WithError(err).WithFields(logrus.Fields{
"origin": origin,
}).Warn("incoming federation request failed to notify server alive")
} else {
f.origins.Store(origin, time.Now())
}
}
// SetupHTTPAPI registers an HTTP API mux under /api and sets up a metrics
// listener.
func SetupHTTPAPI(servMux *http.ServeMux, publicApiMux *mux.Router, internalApiMux *mux.Router, cfg *config.Dendrite, enableHTTPAPIs bool) {