mirror of
https://github.com/matrix-org/dendrite
synced 2024-10-31 21:19:04 +01:00
[federation] Add make_leave & send_leave (#535)
* [federation] Add make_leave & send_leave * Remove redundant parameters * Check membership is set to leave Signed-off-by: Anant Prakash <anantprakashjsr@gmail.com>
This commit is contained in:
parent
c87fb4d894
commit
74b319c42a
2 changed files with 198 additions and 0 deletions
|
@ -0,0 +1,174 @@
|
|||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package routing
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"net/http"
|
||||
|
||||
"github.com/matrix-org/dendrite/clientapi/httputil"
|
||||
"github.com/matrix-org/dendrite/clientapi/jsonerror"
|
||||
"github.com/matrix-org/dendrite/clientapi/producers"
|
||||
"github.com/matrix-org/dendrite/common"
|
||||
"github.com/matrix-org/dendrite/common/config"
|
||||
"github.com/matrix-org/dendrite/roomserver/api"
|
||||
"github.com/matrix-org/gomatrixserverlib"
|
||||
"github.com/matrix-org/util"
|
||||
)
|
||||
|
||||
// MakeLeave implements the /make_leave API
|
||||
func MakeLeave(
|
||||
httpReq *http.Request,
|
||||
request *gomatrixserverlib.FederationRequest,
|
||||
cfg config.Dendrite,
|
||||
query api.RoomserverQueryAPI,
|
||||
roomID, userID string,
|
||||
) util.JSONResponse {
|
||||
_, domain, err := gomatrixserverlib.SplitID('@', userID)
|
||||
if err != nil {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusBadRequest,
|
||||
JSON: jsonerror.BadJSON("Invalid UserID"),
|
||||
}
|
||||
}
|
||||
if domain != request.Origin() {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusForbidden,
|
||||
JSON: jsonerror.Forbidden("The leave must be sent by the server of the user"),
|
||||
}
|
||||
}
|
||||
|
||||
// Try building an event for the server
|
||||
builder := gomatrixserverlib.EventBuilder{
|
||||
Sender: userID,
|
||||
RoomID: roomID,
|
||||
Type: "m.room.member",
|
||||
StateKey: &userID,
|
||||
}
|
||||
err = builder.SetContent(map[string]interface{}{"membership": "leave"})
|
||||
if err != nil {
|
||||
return httputil.LogThenError(httpReq, err)
|
||||
}
|
||||
|
||||
var queryRes api.QueryLatestEventsAndStateResponse
|
||||
event, err := common.BuildEvent(httpReq.Context(), &builder, cfg, query, &queryRes)
|
||||
if err == common.ErrRoomNoExists {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusNotFound,
|
||||
JSON: jsonerror.NotFound("Room does not exist"),
|
||||
}
|
||||
} else if err != nil {
|
||||
return httputil.LogThenError(httpReq, err)
|
||||
}
|
||||
|
||||
// Check that the leave is allowed or not
|
||||
stateEvents := make([]*gomatrixserverlib.Event, len(queryRes.StateEvents))
|
||||
for i := range queryRes.StateEvents {
|
||||
stateEvents[i] = &queryRes.StateEvents[i]
|
||||
}
|
||||
provider := gomatrixserverlib.NewAuthEvents(stateEvents)
|
||||
if err = gomatrixserverlib.Allowed(*event, &provider); err != nil {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusForbidden,
|
||||
JSON: jsonerror.Forbidden(err.Error()),
|
||||
}
|
||||
}
|
||||
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusOK,
|
||||
JSON: map[string]interface{}{"event": builder},
|
||||
}
|
||||
}
|
||||
|
||||
// SendLeave implements the /send_leave API
|
||||
func SendLeave(
|
||||
httpReq *http.Request,
|
||||
request *gomatrixserverlib.FederationRequest,
|
||||
cfg config.Dendrite,
|
||||
producer *producers.RoomserverProducer,
|
||||
keys gomatrixserverlib.KeyRing,
|
||||
roomID, eventID string,
|
||||
) util.JSONResponse {
|
||||
var event gomatrixserverlib.Event
|
||||
if err := json.Unmarshal(request.Content(), &event); err != nil {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusBadRequest,
|
||||
JSON: jsonerror.NotJSON("The request body could not be decoded into valid JSON. " + err.Error()),
|
||||
}
|
||||
}
|
||||
|
||||
// Check that the room ID is correct.
|
||||
if event.RoomID() != roomID {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusBadRequest,
|
||||
JSON: jsonerror.BadJSON("The room ID in the request path must match the room ID in the leave event JSON"),
|
||||
}
|
||||
}
|
||||
|
||||
// Check that the event ID is correct.
|
||||
if event.EventID() != eventID {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusBadRequest,
|
||||
JSON: jsonerror.BadJSON("The event ID in the request path must match the event ID in the leave event JSON"),
|
||||
}
|
||||
}
|
||||
|
||||
// Check that the event is from the server sending the request.
|
||||
if event.Origin() != request.Origin() {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusForbidden,
|
||||
JSON: jsonerror.Forbidden("The leave must be sent by the server it originated on"),
|
||||
}
|
||||
}
|
||||
|
||||
// Check that the event is signed by the server sending the request.
|
||||
verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
|
||||
ServerName: event.Origin(),
|
||||
Message: event.Redact().JSON(),
|
||||
AtTS: event.OriginServerTS(),
|
||||
}}
|
||||
verifyResults, err := keys.VerifyJSONs(httpReq.Context(), verifyRequests)
|
||||
if err != nil {
|
||||
return httputil.LogThenError(httpReq, err)
|
||||
}
|
||||
if verifyResults[0].Error != nil {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusForbidden,
|
||||
JSON: jsonerror.Forbidden("The leave must be signed by the server it originated on"),
|
||||
}
|
||||
}
|
||||
|
||||
// check membership is set to leave
|
||||
mem, err := event.Membership()
|
||||
if err != nil {
|
||||
return httputil.LogThenError(httpReq, err)
|
||||
} else if mem != "leave" {
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusBadRequest,
|
||||
JSON: jsonerror.BadJSON("The membership in the event content must be set to leave"),
|
||||
}
|
||||
}
|
||||
|
||||
// Send the events to the room server.
|
||||
// We are responsible for notifying other servers that the user has left
|
||||
// the room, so set SendAsServer to cfg.Matrix.ServerName
|
||||
_, err = producer.SendEvents(httpReq.Context(), []gomatrixserverlib.Event{event}, cfg.Matrix.ServerName, nil)
|
||||
if err != nil {
|
||||
return httputil.LogThenError(httpReq, err)
|
||||
}
|
||||
|
||||
return util.JSONResponse{
|
||||
Code: http.StatusOK,
|
||||
JSON: struct{}{},
|
||||
}
|
||||
}
|
|
@ -182,6 +182,30 @@ func Setup(
|
|||
},
|
||||
)).Methods(http.MethodPut)
|
||||
|
||||
v1fedmux.Handle("/make_leave/{roomID}/{userID}", common.MakeFedAPI(
|
||||
"federation_make_leave", cfg.Matrix.ServerName, keys,
|
||||
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
|
||||
vars := mux.Vars(httpReq)
|
||||
roomID := vars["roomID"]
|
||||
userID := vars["userID"]
|
||||
return MakeLeave(
|
||||
httpReq, request, cfg, query, roomID, userID,
|
||||
)
|
||||
},
|
||||
)).Methods(http.MethodGet)
|
||||
|
||||
v1fedmux.Handle("/send_leave/{roomID}/{userID}", common.MakeFedAPI(
|
||||
"federation_send_leave", cfg.Matrix.ServerName, keys,
|
||||
func(httpReq *http.Request, request *gomatrixserverlib.FederationRequest) util.JSONResponse {
|
||||
vars := mux.Vars(httpReq)
|
||||
roomID := vars["roomID"]
|
||||
userID := vars["userID"]
|
||||
return SendLeave(
|
||||
httpReq, request, cfg, producer, keys, roomID, userID,
|
||||
)
|
||||
},
|
||||
)).Methods(http.MethodPut)
|
||||
|
||||
v1fedmux.Handle("/version", common.MakeExternalAPI(
|
||||
"federation_version",
|
||||
func(httpReq *http.Request) util.JSONResponse {
|
||||
|
|
Loading…
Reference in a new issue