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Gate peeking behind msc flags (#1731)

main
Kegsay 2021-01-22 16:08:47 +00:00 committed by GitHub
parent 0571d395b5
commit 93942f8ab6
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 76 additions and 47 deletions
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3
clientapi/clientapi.go
View File

@ -46,6 +46,7 @@ func AddPublicRoutes(
userAPI userapi.UserInternalAPI,
keyAPI keyserverAPI.KeyInternalAPI,
extRoomsProvider api.ExtraPublicRoomsProvider,
mscCfg *config.MSCs,
) {
_, producer := kafka.SetupConsumerProducer(&cfg.Matrix.Kafka)
@ -57,6 +58,6 @@ func AddPublicRoutes(
routing.Setup(
router, cfg, eduInputAPI, rsAPI, asAPI,
accountsDB, userAPI, federation,
syncProducer, transactionsCache, fsAPI, keyAPI, extRoomsProvider,
syncProducer, transactionsCache, fsAPI, keyAPI, extRoomsProvider, mscCfg,
)
}

32
clientapi/routing/routing.go
View File

@ -58,6 +58,7 @@ func Setup(
federationSender federationSenderAPI.FederationSenderInternalAPI,
keyAPI keyserverAPI.KeyInternalAPI,
extRoomsProvider api.ExtraPublicRoomsProvider,
mscCfg *config.MSCs,
) {
rateLimits := newRateLimits(&cfg.RateLimiting)
userInteractiveAuth := auth.NewUserInteractive(accountDB.GetAccountByPassword, cfg)
@ -110,20 +111,23 @@ func Setup(
)
}),
).Methods(http.MethodPost, http.MethodOptions)
r0mux.Handle("/peek/{roomIDOrAlias}",
httputil.MakeAuthAPI(gomatrixserverlib.Peek, userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
if r := rateLimits.rateLimit(req); r != nil {
return *r
}
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
return PeekRoomByIDOrAlias(
req, device, rsAPI, accountDB, vars["roomIDOrAlias"],
)
}),
).Methods(http.MethodPost, http.MethodOptions)
if mscCfg.Enabled("msc2753") {
r0mux.Handle("/peek/{roomIDOrAlias}",
httputil.MakeAuthAPI(gomatrixserverlib.Peek, userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
if r := rateLimits.rateLimit(req); r != nil {
return *r
}
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
return PeekRoomByIDOrAlias(
req, device, rsAPI, accountDB, vars["roomIDOrAlias"],
)
}),
).Methods(http.MethodPost, http.MethodOptions)
}
r0mux.Handle("/joined_rooms",
httputil.MakeAuthAPI("joined_rooms", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
return GetJoinedRooms(req, device, rsAPI)

1
cmd/dendrite-polylith-multi/personalities/clientapi.go
View File

@ -35,6 +35,7 @@ func ClientAPI(base *setup.BaseDendrite, cfg *config.Dendrite) {
clientapi.AddPublicRoutes(
base.PublicClientAPIMux, &base.Cfg.ClientAPI, accountDB, federation,
rsAPI, eduInputAPI, asQuery, transactions.New(), fsAPI, userAPI, keyAPI, nil,
&cfg.MSCs,
)
base.SetupAndServeHTTP(

1
cmd/dendrite-polylith-multi/personalities/federationapi.go
View File

@ -33,6 +33,7 @@ func FederationAPI(base *setup.BaseDendrite, cfg *config.Dendrite) {
base.PublicFederationAPIMux, base.PublicKeyAPIMux,
&base.Cfg.FederationAPI, userAPI, federation, keyRing,
rsAPI, fsAPI, base.EDUServerClient(), keyAPI,
&base.Cfg.MSCs,
)
base.SetupAndServeHTTP(

2
cmd/generate-config/main.go
View File

@ -63,7 +63,7 @@ func main() {
if *defaultsForCI {
cfg.ClientAPI.RateLimiting.Enabled = false
cfg.FederationSender.DisableTLSValidation = true
cfg.MSCs.MSCs = []string{"msc2836", "msc2946"}
cfg.MSCs.MSCs = []string{"msc2836", "msc2946", "msc2444", "msc2753"}
cfg.Logging[0].Level = "trace"
// don't hit matrix.org when running tests!!!
cfg.SigningKeyServer.KeyPerspectives = config.KeyPerspectives{}

3
federationapi/federationapi.go
View File

@ -38,10 +38,11 @@ func AddPublicRoutes(
federationSenderAPI federationSenderAPI.FederationSenderInternalAPI,
eduAPI eduserverAPI.EDUServerInputAPI,
keyAPI keyserverAPI.KeyInternalAPI,
mscCfg *config.MSCs,
) {
routing.Setup(
fedRouter, keyRouter, cfg, rsAPI,
eduAPI, federationSenderAPI, keyRing,
federation, userAPI, keyAPI,
federation, userAPI, keyAPI, mscCfg,
)
}

2
federationapi/federationapi_test.go
View File

@ -31,7 +31,7 @@ func TestRoomsV3URLEscapeDoNot404(t *testing.T) {
fsAPI := base.FederationSenderHTTPClient()
// TODO: This is pretty fragile, as if anything calls anything on these nils this test will break.
// Unfortunately, it makes little sense to instantiate these dependencies when we just want to test routing.
federationapi.AddPublicRoutes(base.PublicFederationAPIMux, base.PublicKeyAPIMux, &cfg.FederationAPI, nil, nil, keyRing, nil, fsAPI, nil, nil)
federationapi.AddPublicRoutes(base.PublicFederationAPIMux, base.PublicKeyAPIMux, &cfg.FederationAPI, nil, nil, keyRing, nil, fsAPI, nil, nil, &cfg.MSCs)
baseURL, cancel := test.ListenAndServe(t, base.PublicFederationAPIMux, true)
defer cancel()
serverName := gomatrixserverlib.ServerName(strings.TrimPrefix(baseURL, "https://"))

57
federationapi/routing/routing.go
View File

@ -48,6 +48,7 @@ func Setup(
federation *gomatrixserverlib.FederationClient,
userAPI userapi.UserInternalAPI,
keyAPI keyserverAPI.KeyInternalAPI,
mscCfg *config.MSCs,
) {
v2keysmux := keyMux.PathPrefix("/v2").Subrouter()
v1fedmux := fedMux.PathPrefix("/v1").Subrouter()
@ -229,35 +230,37 @@ func Setup(
},
)).Methods(http.MethodGet)
v1fedmux.Handle("/peek/{roomID}/{peekID}", httputil.MakeFedAPI(
"federation_peek", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
if mscCfg.Enabled("msc2444") {
v1fedmux.Handle("/peek/{roomID}/{peekID}", httputil.MakeFedAPI(
"federation_peek", cfg.Matrix.ServerName, keys, wakeup,
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest, vars map[string]string) util.JSONResponse {
if roomserverAPI.IsServerBannedFromRoom(httpReq.Context(), rsAPI, vars["roomID"], request.Origin()) {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("Forbidden by server ACLs"),
}
}
}
roomID := vars["roomID"]
peekID := vars["peekID"]
queryVars := httpReq.URL.Query()
remoteVersions := []gomatrixserverlib.RoomVersion{}
if vers, ok := queryVars["ver"]; ok {
// The remote side supplied a ?ver= so use that to build up the list
// of supported room versions
for _, v := range vers {
remoteVersions = append(remoteVersions, gomatrixserverlib.RoomVersion(v))
roomID := vars["roomID"]
peekID := vars["peekID"]
queryVars := httpReq.URL.Query()
remoteVersions := []gomatrixserverlib.RoomVersion{}
if vers, ok := queryVars["ver"]; ok {
// The remote side supplied a ?ver= so use that to build up the list
// of supported room versions
for _, v := range vers {
remoteVersions = append(remoteVersions, gomatrixserverlib.RoomVersion(v))
}
} else {
// The remote side didn't supply a ?ver= so just assume that they only
// support room version 1
remoteVersions = append(remoteVersions, gomatrixserverlib.RoomVersionV1)
}
} else {
// The remote side didn't supply a ?ver= so just assume that they only
// support room version 1
remoteVersions = append(remoteVersions, gomatrixserverlib.RoomVersionV1)
}
return Peek(
httpReq, request, cfg, rsAPI, roomID, peekID, remoteVersions,
)
},
)).Methods(http.MethodPut, http.MethodDelete)
return Peek(
httpReq, request, cfg, rsAPI, roomID, peekID, remoteVersions,
)
},
)).Methods(http.MethodPut, http.MethodDelete)
}
v1fedmux.Handle("/make_join/{roomID}/{userID}", httputil.MakeFedAPI(
"federation_make_join", cfg.Matrix.ServerName, keys, wakeup,

16
setup/config/config_mscs.go
View File

@ -3,7 +3,11 @@ package config
type MSCs struct {
Matrix *Global `yaml:"-"`
// The MSCs to enable
// The MSCs to enable. Supported MSCs include:
// 'msc2444': Peeking over federation - https://github.com/matrix-org/matrix-doc/pull/2444
// 'msc2753': Peeking via /sync - https://github.com/matrix-org/matrix-doc/pull/2753
// 'msc2836': Threading - https://github.com/matrix-org/matrix-doc/pull/2836
// 'msc2946': Spaces Summary - https://github.com/matrix-org/matrix-doc/pull/2946
MSCs []string `yaml:"mscs"`
Database DatabaseOptions `yaml:"database"`
@ -14,6 +18,16 @@ func (c *MSCs) Defaults() {
c.Database.ConnectionString = "file:mscs.db"
}
// Enabled returns true if the given msc is enabled. Should in the form 'msc12345'.
func (c *MSCs) Enabled(msc string) bool {
for _, m := range c.MSCs {
if m == msc {
return true
}
}
return false
}
func (c *MSCs) Verify(configErrs *ConfigErrors, isMonolith bool) {
checkNotEmpty(configErrs, "mscs.database.connection_string", string(c.Database.ConnectionString))
}

3
setup/monolith.go
View File

@ -62,11 +62,12 @@ func (m *Monolith) AddAllPublicRoutes(csMux, ssMux, keyMux, mediaMux *mux.Router
m.FedClient, m.RoomserverAPI,
m.EDUInternalAPI, m.AppserviceAPI, transactions.New(),
m.FederationSenderAPI, m.UserAPI, m.KeyAPI, m.ExtPublicRoomsProvider,
&m.Config.MSCs,
)
federationapi.AddPublicRoutes(
ssMux, keyMux, &m.Config.FederationAPI, m.UserAPI, m.FedClient,
m.KeyRing, m.RoomserverAPI, m.FederationSenderAPI,
m.EDUInternalAPI, m.KeyAPI,
m.EDUInternalAPI, m.KeyAPI, &m.Config.MSCs,
)
mediaapi.AddPublicRoutes(mediaMux, &m.Config.MediaAPI, m.UserAPI, m.Client)
syncapi.AddPublicRoutes(

3
setup/mscs/mscs.go
View File

@ -42,7 +42,10 @@ func EnableMSC(base *setup.BaseDendrite, monolith *setup.Monolith, msc string) e
return msc2836.Enable(base, monolith.RoomserverAPI, monolith.FederationSenderAPI, monolith.UserAPI, monolith.KeyRing)
case "msc2946":
return msc2946.Enable(base, monolith.RoomserverAPI, monolith.UserAPI, monolith.FederationSenderAPI, monolith.KeyRing)
case "msc2444": // enabled inside federationapi
case "msc2753": // enabled inside clientapi
default:
return fmt.Errorf("EnableMSC: unknown msc '%s'", msc)
}
return nil
}