284 lines
9.2 KiB
Go
284 lines
9.2 KiB
Go
// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package routing
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/matrix-org/dendrite/internal/eventutil"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/fclient"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/matrix-org/util"
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"github.com/sirupsen/logrus"
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)
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// MakeLeave implements the /make_leave API
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func MakeLeave(
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httpReq *http.Request,
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request *fclient.FederationRequest,
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cfg *config.FederationAPI,
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rsAPI api.FederationRoomserverAPI,
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roomID spec.RoomID, userID spec.UserID,
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) util.JSONResponse {
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roomVersion, err := rsAPI.QueryRoomVersionForRoom(httpReq.Context(), roomID.String())
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if err != nil {
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util.GetLogger(httpReq.Context()).WithError(err).Error("failed obtaining room version")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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req := api.QueryServerJoinedToRoomRequest{
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ServerName: request.Destination(),
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RoomID: roomID.String(),
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}
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res := api.QueryServerJoinedToRoomResponse{}
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if err = rsAPI.QueryServerJoinedToRoom(httpReq.Context(), &req, &res); err != nil {
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util.GetLogger(httpReq.Context()).WithError(err).Error("rsAPI.QueryServerJoinedToRoom failed")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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createLeaveTemplate := func(proto *gomatrixserverlib.ProtoEvent) (gomatrixserverlib.PDU, []gomatrixserverlib.PDU, error) {
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identity, signErr := cfg.Matrix.SigningIdentityFor(request.Destination())
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if signErr != nil {
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util.GetLogger(httpReq.Context()).WithError(signErr).Errorf("obtaining signing identity for %s failed", request.Destination())
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return nil, nil, spec.NotFound(fmt.Sprintf("Server name %q does not exist", request.Destination()))
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}
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queryRes := api.QueryLatestEventsAndStateResponse{}
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event, buildErr := eventutil.QueryAndBuildEvent(httpReq.Context(), proto, identity, time.Now(), rsAPI, &queryRes)
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switch e := buildErr.(type) {
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case nil:
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case eventutil.ErrRoomNoExists:
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util.GetLogger(httpReq.Context()).WithError(buildErr).Error("eventutil.BuildEvent failed")
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return nil, nil, spec.NotFound("Room does not exist")
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case gomatrixserverlib.BadJSONError:
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util.GetLogger(httpReq.Context()).WithError(buildErr).Error("eventutil.BuildEvent failed")
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return nil, nil, spec.BadJSON(e.Error())
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default:
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util.GetLogger(httpReq.Context()).WithError(buildErr).Error("eventutil.BuildEvent failed")
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return nil, nil, spec.InternalServerError{}
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}
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stateEvents := make([]gomatrixserverlib.PDU, len(queryRes.StateEvents))
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for i, stateEvent := range queryRes.StateEvents {
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stateEvents[i] = stateEvent.PDU
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}
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return event, stateEvents, nil
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}
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senderID, err := rsAPI.QuerySenderIDForUser(httpReq.Context(), roomID, userID)
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if err != nil {
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util.GetLogger(httpReq.Context()).WithError(err).Error("rsAPI.QuerySenderIDForUser failed")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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} else if senderID == nil {
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util.GetLogger(httpReq.Context()).WithField("roomID", roomID).WithField("userID", userID).Error("rsAPI.QuerySenderIDForUser returned nil sender ID")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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input := gomatrixserverlib.HandleMakeLeaveInput{
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UserID: userID,
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SenderID: *senderID,
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RoomID: roomID,
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RoomVersion: roomVersion,
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RequestOrigin: request.Origin(),
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LocalServerName: cfg.Matrix.ServerName,
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LocalServerInRoom: res.RoomExists && res.IsInRoom,
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BuildEventTemplate: createLeaveTemplate,
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UserIDQuerier: func(roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
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return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
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},
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}
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response, internalErr := gomatrixserverlib.HandleMakeLeave(input)
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switch e := internalErr.(type) {
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case nil:
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case spec.InternalServerError:
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util.GetLogger(httpReq.Context()).WithError(internalErr).Error("failed to handle make_leave request")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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case spec.MatrixError:
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util.GetLogger(httpReq.Context()).WithError(internalErr).Error("failed to handle make_leave request")
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code := http.StatusInternalServerError
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switch e.ErrCode {
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case spec.ErrorForbidden:
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code = http.StatusForbidden
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case spec.ErrorNotFound:
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code = http.StatusNotFound
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case spec.ErrorBadJSON:
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code = http.StatusBadRequest
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}
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return util.JSONResponse{
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Code: code,
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JSON: e,
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}
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default:
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util.GetLogger(httpReq.Context()).WithError(internalErr).Error("failed to handle make_leave request")
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.Unknown("unknown error"),
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}
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}
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if response == nil {
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util.GetLogger(httpReq.Context()).Error("gmsl.HandleMakeLeave returned invalid response")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: map[string]interface{}{
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"event": response.LeaveTemplateEvent,
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"room_version": response.RoomVersion,
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},
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}
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}
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// SendLeave implements the /send_leave API
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// nolint:gocyclo
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func SendLeave(
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httpReq *http.Request,
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request *fclient.FederationRequest,
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cfg *config.FederationAPI,
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rsAPI api.FederationRoomserverAPI,
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keys gomatrixserverlib.JSONVerifier,
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roomID, eventID string,
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) util.JSONResponse {
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roomVersion, err := rsAPI.QueryRoomVersionForRoom(httpReq.Context(), roomID)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.UnsupportedRoomVersion(err.Error()),
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}
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}
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verImpl, err := gomatrixserverlib.GetRoomVersion(roomVersion)
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if err != nil {
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.UnsupportedRoomVersion(
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fmt.Sprintf("QueryRoomVersionForRoom returned unknown version: %s", roomVersion),
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),
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}
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}
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// Decode the event JSON from the request.
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event, err := verImpl.NewEventFromUntrustedJSON(request.Content())
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switch err.(type) {
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case gomatrixserverlib.BadJSONError:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.BadJSON(err.Error()),
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}
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case nil:
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default:
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.NotJSON("The request body could not be decoded into valid JSON. " + err.Error()),
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}
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}
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leaveEvent, err := gomatrixserverlib.HandleSendLeave(
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httpReq.Context(), incomingEvent, request.Origin(), roomVersion, eventID, roomID, rsAPI, keys)
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switch e := err.(type) {
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case nil:
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case spec.InternalServerError:
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util.GetLogger(httpReq.Context()).WithError(err).Error("failed to handle send_leave request")
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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case spec.MatrixError:
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util.GetLogger(httpReq.Context()).WithError(err).Error("failed to handle send_leave request")
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code := http.StatusInternalServerError
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switch e.ErrCode {
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case spec.ErrorForbidden:
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code = http.StatusForbidden
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case spec.ErrorNotFound:
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code = http.StatusNotFound
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case spec.ErrorUnsupportedRoomVersion:
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code = http.StatusInternalServerError
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case spec.ErrorBadJSON:
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code = http.StatusBadRequest
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}
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return util.JSONResponse{
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Code: code,
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JSON: e,
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}
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default:
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util.GetLogger(httpReq.Context()).WithError(err).Error("failed to handle send_leave request")
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.Unknown("unknown error"),
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}
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}
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// Send the events to the room server.
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// We are responsible for notifying other servers that the user has left
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// the room, so set SendAsServer to cfg.Matrix.ServerName
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var response api.InputRoomEventsResponse
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rsAPI.InputRoomEvents(httpReq.Context(), &api.InputRoomEventsRequest{
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InputRoomEvents: []api.InputRoomEvent{
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{
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Kind: api.KindNew,
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Event: &types.HeaderedEvent{PDU: leaveEvent},
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SendAsServer: string(cfg.Matrix.ServerName),
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TransactionID: nil,
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},
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},
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}, &response)
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if response.ErrMsg != "" {
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util.GetLogger(httpReq.Context()).WithField(logrus.ErrorKey, response.ErrMsg).WithField("not_allowed", response.NotAllowed).Error("producer.SendEvents failed")
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if response.NotAllowed {
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return util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: spec.Forbidden(response.ErrMsg),
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}
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}
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
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}
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}
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return util.JSONResponse{
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Code: http.StatusOK,
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JSON: struct{}{},
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}
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}
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