Support for server ACLs (#1261)

* First pass at server ACLs (not efficient)

* Use transaction origin, update whitelist

* Fix federation API test

It's sufficient for us to return nothing in response to current state, so that the server ACL check returns no ACLs.

* More efficient server ACLs - hopefully

* Fix queries

* Fix queries

* Avoid panics by nil pointers

* Bug fixes

* Fix state event type

* Fix mutex

* Update logging

* Ignore port when matching servername

* Use read mutex

* Fix bugs

* Fix sync API test

* Comments

* Add tests, tweaks to behaviour

* Fix test output
This commit is contained in:
Neil Alexander 2020-08-11 18:19:11 +01:00 committed by GitHub
parent 8b6ab272fb
commit bcdf9577a3
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
20 changed files with 581 additions and 16 deletions

View file

@ -82,7 +82,7 @@ func Setup(
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
return Send(
httpReq, request, gomatrixserverlib.TransactionID(vars["txnID"]),
cfg, rsAPI, eduAPI, keyAPI, keys, federation,
cfg, rsAPI, eduAPI, keyAPI, stateAPI, keys, federation,
)
},
)).Methods(http.MethodPut, http.MethodOptions)
@ -90,6 +90,12 @@ func Setup(
v1fedmux.Handle("/invite/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_invite", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
res := InviteV1(
httpReq, request, vars["roomID"], vars["eventID"],
cfg, rsAPI, keys,
@ -106,6 +112,12 @@ func Setup(
v2fedmux.Handle("/invite/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_invite", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
return InviteV2(
httpReq, request, vars["roomID"], vars["eventID"],
cfg, rsAPI, keys,
@ -140,6 +152,12 @@ func Setup(
v1fedmux.Handle("/state/{roomID}", httputil.MakeFedAPI(
"federation_get_state", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
return GetState(
httpReq.Context(), request, rsAPI, vars["roomID"],
)
@ -149,6 +167,12 @@ func Setup(
v1fedmux.Handle("/state_ids/{roomID}", httputil.MakeFedAPI(
"federation_get_state_ids", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
return GetStateIDs(
httpReq.Context(), request, rsAPI, vars["roomID"],
)
@ -158,6 +182,12 @@ func Setup(
v1fedmux.Handle("/event_auth/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_get_event_auth", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
return GetEventAuth(
httpReq.Context(), request, rsAPI, vars["roomID"], vars["eventID"],
)
@ -194,6 +224,12 @@ func Setup(
v1fedmux.Handle("/make_join/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_make_join", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
roomID := vars["roomID"]
eventID := vars["eventID"]
queryVars := httpReq.URL.Query()
@ -219,6 +255,12 @@ func Setup(
v1fedmux.Handle("/send_join/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_send_join", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
roomID := vars["roomID"]
eventID := vars["eventID"]
res := SendJoin(
@ -245,6 +287,12 @@ func Setup(
v2fedmux.Handle("/send_join/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_send_join", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
roomID := vars["roomID"]
eventID := vars["eventID"]
return SendJoin(
@ -256,6 +304,12 @@ func Setup(
v1fedmux.Handle("/make_leave/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_make_leave", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
roomID := vars["roomID"]
eventID := vars["eventID"]
return MakeLeave(
@ -264,9 +318,47 @@ func Setup(
},
)).Methods(http.MethodGet)
v1fedmux.Handle("/send_leave/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_send_leave", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
roomID := vars["roomID"]
eventID := vars["eventID"]
res := SendLeave(
httpReq, request, cfg, rsAPI, keys, roomID, eventID,
)
// not all responses get wrapped in [code, body]
var body interface{}
body = []interface{}{
res.Code, res.JSON,
}
jerr, ok := res.JSON.(*jsonerror.MatrixError)
if ok {
body = jerr
}
return util.JSONResponse{
Headers: res.Headers,
Code: res.Code,
JSON: body,
}
},
)).Methods(http.MethodPut)
v2fedmux.Handle("/send_leave/{roomID}/{eventID}", httputil.MakeFedAPI(
"federation_send_leave", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
roomID := vars["roomID"]
eventID := vars["eventID"]
return SendLeave(
@ -285,6 +377,12 @@ func Setup(
v1fedmux.Handle("/get_missing_events/{roomID}", httputil.MakeFedAPI(
"federation_get_missing_events", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
return GetMissingEvents(httpReq, request, rsAPI, vars["roomID"])
},
)).Methods(http.MethodPost)
@ -292,6 +390,12 @@ func Setup(
v1fedmux.Handle("/backfill/{roomID}", httputil.MakeFedAPI(
"federation_backfill", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if currentstateAPI.IsServerBannedFromRoom(httpReq.Context(), stateAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
return Backfill(httpReq, request, rsAPI, vars["roomID"], cfg)
},
)).Methods(http.MethodGet)