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dendrite/federationapi/routing/invite.go
Kegsay 7c36fb78a7
Fix rooms v3 url paths for good - with tests (#1130)
* Fix rooms v3 url paths for good - with tests

- Add a test rig around `federationapi` to test routing.
- Use `JSONVerifier` over `KeyRing` so we can stub things out more easily.
- Add `test.NopJSONVerifier` which verifies nothing.
- Add `base.BaseMux` which is the original `mux.Router` used to spawn public/internal routers.
- Listen on `base.BaseMux` and not the default serve mux as it cleans paths which we don't want.
- Factor out `ListenAndServe` to `test.ListenAndServe` and add flag for listening on TLS.

* Fix comments

* Linting
2020-06-15 16:57:59 +01:00

118 lines
3.9 KiB
Go

// Copyright 2017 Vector Creations Ltd
//
// 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"
"fmt"
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/internal/config"
"github.com/matrix-org/dendrite/roomserver/api"
roomserverVersion "github.com/matrix-org/dendrite/roomserver/version"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// Invite implements /_matrix/federation/v2/invite/{roomID}/{eventID}
func Invite(
httpReq *http.Request,
request *gomatrixserverlib.FederationRequest,
roomID string,
eventID string,
cfg *config.Dendrite,
rsAPI api.RoomserverInternalAPI,
keys gomatrixserverlib.JSONVerifier,
) util.JSONResponse {
inviteReq := gomatrixserverlib.InviteV2Request{}
if err := json.Unmarshal(request.Content(), &inviteReq); err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.NotJSON("The request body could not be decoded into an invite request. " + err.Error()),
}
}
event := inviteReq.Event()
// Check that we can accept invites for this room version.
if _, err := roomserverVersion.SupportedRoomVersion(inviteReq.RoomVersion()); err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.UnsupportedRoomVersion(
fmt.Sprintf("Room version %q is not supported by this server.", inviteReq.RoomVersion()),
),
}
}
// 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 invite 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 invite event JSON"),
}
}
// Check that the event is signed by the server sending the request.
redacted := event.Redact()
verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
ServerName: event.Origin(),
Message: redacted.JSON(),
AtTS: event.OriginServerTS(),
StrictValidityChecking: true,
}}
verifyResults, err := keys.VerifyJSONs(httpReq.Context(), verifyRequests)
if err != nil {
util.GetLogger(httpReq.Context()).WithError(err).Error("keys.VerifyJSONs failed")
return jsonerror.InternalServerError()
}
if verifyResults[0].Error != nil {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden("The invite must be signed by the server it originated on"),
}
}
// Sign the event so that other servers will know that we have received the invite.
signedEvent := event.Sign(
string(cfg.Matrix.ServerName), cfg.Matrix.KeyID, cfg.Matrix.PrivateKey,
)
// Add the invite event to the roomserver.
if err = api.SendInvite(
httpReq.Context(), rsAPI,
signedEvent.Headered(inviteReq.RoomVersion()),
inviteReq.InviteRoomState(),
event.Origin(),
nil,
); err != nil {
util.GetLogger(httpReq.Context()).WithError(err).Error("producer.SendInvite failed")
return jsonerror.InternalServerError()
}
// Return the signed event to the originating server, it should then tell
// the other servers in the room that we have been invited.
return util.JSONResponse{
Code: http.StatusOK,
JSON: gomatrixserverlib.RespInviteV2{Event: signedEvent},
}
}