dendrite/federationapi/routing/invite.go

231 lines
7.3 KiB
Go
Raw Normal View History

// 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 (
"context"
"encoding/json"
"fmt"
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/roomserver/api"
roomserverVersion "github.com/matrix-org/dendrite/roomserver/version"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/fclient"
"github.com/matrix-org/util"
)
// InviteV2 implements /_matrix/federation/v2/invite/{roomID}/{eventID}
func InviteV2(
httpReq *http.Request,
request *gomatrixserverlib.FederationRequest,
roomID string,
eventID string,
cfg *config.FederationAPI,
rsAPI api.FederationRoomserverAPI,
keys gomatrixserverlib.JSONVerifier,
) util.JSONResponse {
inviteReq := gomatrixserverlib.InviteV2Request{}
err := json.Unmarshal(request.Content(), &inviteReq)
switch e := err.(type) {
case gomatrixserverlib.UnsupportedRoomVersionError:
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.UnsupportedRoomVersion(
fmt.Sprintf("Room version %q is not supported by this server.", e.Version),
),
}
case gomatrixserverlib.BadJSONError:
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON(err.Error()),
}
case nil:
return processInvite(
httpReq.Context(), true, inviteReq.Event(), inviteReq.RoomVersion(), inviteReq.InviteRoomState(), roomID, eventID, cfg, rsAPI, keys,
)
default:
Further room version wiring (#936) * Room version 2 by default, other wiring updates, update gomatrixserverlib * Fix nil pointer exception * Fix some more nil pointer exceptions hopefully * Update gomatrixserverlib * Send all room versions when joining, not just stable ones * Remove room version cquery * Get room version when getting events from the roomserver database * Reset default back to room version 2 * Don't generate event IDs unless needed * Revert "Remove room version cquery" This reverts commit a170d5873360dd059614460acc8b21ab2cda9767. * Query room version in federation API, client API as needed * Improvements to make_join send_join dance * Make room server producers use headered events * Lint tweaks * Update gomatrixserverlib * Versioned SendJoin * Query room version in syncapi backfill * Handle transaction marshalling/unmarshalling within Dendrite * Sorta fix federation (kinda) * whoops commit federation API too * Use NewEventFromTrustedJSON when getting events from the database * Update gomatrixserverlib * Strip headers on federationapi endpoints * Fix bug in clientapi profile room version query * Update gomatrixserverlib * Return more useful error if room version query doesn't find the room * Update gomatrixserverlib * Update gomatrixserverlib * Maybe fix federation * Fix formatting directive * Update sytest whitelist and blacklist * Temporarily disable room versions 3 and 4 until gmsl is fixed * Fix count of EDUs in logging * Update gomatrixserverlib * Update gomatrixserverlib * Update gomatrixserverlib * Rely on EventBuilder in gmsl to generate the event IDs for us * Some review comments fixed * Move function out of common and into gmsl * Comment in federationsender destinationqueue * Update gomatrixserverlib
2020-03-27 16:28:22 +00:00
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.NotJSON("The request body could not be decoded into an invite request. " + err.Error()),
}
}
}
// InviteV1 implements /_matrix/federation/v1/invite/{roomID}/{eventID}
func InviteV1(
httpReq *http.Request,
request *gomatrixserverlib.FederationRequest,
roomID string,
eventID string,
cfg *config.FederationAPI,
rsAPI api.FederationRoomserverAPI,
keys gomatrixserverlib.JSONVerifier,
) util.JSONResponse {
roomVer := gomatrixserverlib.RoomVersionV1
body := request.Content()
event, err := gomatrixserverlib.NewEventFromTrustedJSON(body, false, roomVer)
switch err.(type) {
case gomatrixserverlib.BadJSONError:
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON(err.Error()),
}
case nil:
default:
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.NotJSON("The request body could not be decoded into an invite v1 request. " + err.Error()),
}
}
var strippedState []gomatrixserverlib.InviteV2StrippedState
if err := json.Unmarshal(event.Unsigned(), &strippedState); err != nil {
// just warn, they may not have added any.
util.GetLogger(httpReq.Context()).Warnf("failed to extract stripped state from invite event")
}
return processInvite(
httpReq.Context(), false, event, roomVer, strippedState, roomID, eventID, cfg, rsAPI, keys,
)
}
func processInvite(
ctx context.Context,
isInviteV2 bool,
event *gomatrixserverlib.Event,
roomVer gomatrixserverlib.RoomVersion,
strippedState []gomatrixserverlib.InviteV2StrippedState,
roomID string,
eventID string,
cfg *config.FederationAPI,
rsAPI api.FederationRoomserverAPI,
keys gomatrixserverlib.JSONVerifier,
) util.JSONResponse {
// Check that we can accept invites for this room version.
if _, err := roomserverVersion.SupportedRoomVersion(roomVer); err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.UnsupportedRoomVersion(
fmt.Sprintf("Room version %q is not supported by this server.", roomVer),
),
}
}
// 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"),
}
}
2022-11-15 15:05:23 +00:00
if event.StateKey() == nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("The invite event has no state key"),
}
}
_, domain, err := cfg.Matrix.SplitLocalID('@', *event.StateKey())
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.InvalidArgumentValue(fmt.Sprintf("The user ID is invalid or domain %q does not belong to this server", domain)),
}
}
// Check that the event is signed by the server sending the request.
Ristretto cache (#2563) * Try Ristretto cache * Tweak * It's beautiful * Update GMSL * More strict keyable interface * Fix that some more * Make less panicky * Don't enforce mutability checks for now * Determine mutability using deep equality * Tweaks * Namespace keys * Make federation caches mutable * Update cost estimation, add metric * Update GMSL * Estimate cost for metrics better * Reduce counters a bit * Try caching events * Some guards * Try again * Try this * Use separate caches for hopefully better hash distribution * Fix bug with admitting events into cache * Try to fix bugs * Check nil * Try that again * Preserve order jeezo this is messy * thanks VS Code for doing exactly the wrong thing * Try this again * Be more specific * aaaaargh * One more time * That might be better * Stronger sorting * Cache expiries, async publishing of EDUs * Put it back * Use a shared cache again * Cost estimation fixes * Update ristretto * Reduce counters a bit * Clean up a bit * Update GMSL * 1GB * Configurable cache sizees * Tweaks * Add `config.DataUnit` for specifying friendly cache sizes * Various tweaks * Update GMSL * Add back some lazy loading caching * Include key in cost * Include key in cost * Tweak max age handling, config key name * Only register prometheus metrics if requested * Review comments @S7evinK * Don't return errors when creating caches (it is better just to crash since otherwise we'll `nil`-pointer exception everywhere) * Review comments * Update sample configs * Update GHA Workflow * Update Complement images to Go 1.18 * Remove the cache test from the federation API as we no longer guarantee immediate cache admission * Don't check the caches in the renewal test * Possibly fix the upgrade tests * Update to matrix-org/gomatrixserverlib#322 * Update documentation to refer to Go 1.18
2022-07-11 14:31:31 +01:00
redacted, err := gomatrixserverlib.RedactEventJSON(event.JSON(), event.Version())
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("The event JSON could not be redacted"),
}
}
_, serverName, err := gomatrixserverlib.SplitID('@', event.Sender())
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("The event JSON contains an invalid sender"),
}
}
verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
ServerName: serverName,
Ristretto cache (#2563) * Try Ristretto cache * Tweak * It's beautiful * Update GMSL * More strict keyable interface * Fix that some more * Make less panicky * Don't enforce mutability checks for now * Determine mutability using deep equality * Tweaks * Namespace keys * Make federation caches mutable * Update cost estimation, add metric * Update GMSL * Estimate cost for metrics better * Reduce counters a bit * Try caching events * Some guards * Try again * Try this * Use separate caches for hopefully better hash distribution * Fix bug with admitting events into cache * Try to fix bugs * Check nil * Try that again * Preserve order jeezo this is messy * thanks VS Code for doing exactly the wrong thing * Try this again * Be more specific * aaaaargh * One more time * That might be better * Stronger sorting * Cache expiries, async publishing of EDUs * Put it back * Use a shared cache again * Cost estimation fixes * Update ristretto * Reduce counters a bit * Clean up a bit * Update GMSL * 1GB * Configurable cache sizees * Tweaks * Add `config.DataUnit` for specifying friendly cache sizes * Various tweaks * Update GMSL * Add back some lazy loading caching * Include key in cost * Include key in cost * Tweak max age handling, config key name * Only register prometheus metrics if requested * Review comments @S7evinK * Don't return errors when creating caches (it is better just to crash since otherwise we'll `nil`-pointer exception everywhere) * Review comments * Update sample configs * Update GHA Workflow * Update Complement images to Go 1.18 * Remove the cache test from the federation API as we no longer guarantee immediate cache admission * Don't check the caches in the renewal test * Possibly fix the upgrade tests * Update to matrix-org/gomatrixserverlib#322 * Update documentation to refer to Go 1.18
2022-07-11 14:31:31 +01:00
Message: redacted,
AtTS: event.OriginServerTS(),
StrictValidityChecking: true,
}}
verifyResults, err := keys.VerifyJSONs(ctx, verifyRequests)
if err != nil {
util.GetLogger(ctx).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(
2022-11-15 15:05:23 +00:00
string(domain), cfg.Matrix.KeyID, cfg.Matrix.PrivateKey,
)
// Add the invite event to the roomserver.
inviteEvent := signedEvent.Headered(roomVer)
request := &api.PerformInviteRequest{
Event: inviteEvent,
InviteRoomState: strippedState,
RoomVersion: inviteEvent.RoomVersion,
SendAsServer: string(api.DoNotSendToOtherServers),
TransactionID: nil,
}
response := &api.PerformInviteResponse{}
if err := rsAPI.PerformInvite(ctx, request, response); err != nil {
util.GetLogger(ctx).WithError(err).Error("PerformInvite failed")
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: jsonerror.InternalServerError(),
}
}
if response.Error != nil {
return response.Error.JSONResponse()
}
// Return the signed event to the originating server, it should then tell
// the other servers in the room that we have been invited.
if isInviteV2 {
return util.JSONResponse{
Code: http.StatusOK,
JSON: fclient.RespInviteV2{Event: signedEvent.JSON()},
}
} else {
return util.JSONResponse{
Code: http.StatusOK,
JSON: fclient.RespInvite{Event: signedEvent.JSON()},
}
}
}