dendrite/federationapi/routing/invite.go

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// 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/roomserver/api"
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/fclient"
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"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/matrix-org/util"
)
// InviteV2 implements /_matrix/federation/v2/invite/{roomID}/{eventID}
func InviteV2(
httpReq *http.Request,
request *fclient.FederationRequest,
roomID spec.RoomID,
eventID string,
cfg *config.FederationAPI,
rsAPI api.FederationRoomserverAPI,
keys gomatrixserverlib.JSONVerifier,
) util.JSONResponse {
inviteReq := fclient.InviteV2Request{}
err := json.Unmarshal(request.Content(), &inviteReq)
switch e := err.(type) {
case gomatrixserverlib.UnsupportedRoomVersionError:
return util.JSONResponse{
Code: http.StatusBadRequest,
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JSON: spec.UnsupportedRoomVersion(
fmt.Sprintf("Room version %q is not supported by this server.", e.Version),
),
}
case gomatrixserverlib.BadJSONError:
return util.JSONResponse{
Code: http.StatusBadRequest,
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JSON: spec.BadJSON(err.Error()),
}
case nil:
if inviteReq.Event().StateKey() == nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("The invite event has no state key"),
}
}
invitedUser, userErr := spec.NewUserID(*inviteReq.Event().StateKey(), true)
if userErr != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.InvalidParam("The user ID is invalid"),
}
}
if !cfg.Matrix.IsLocalServerName(invitedUser.Domain()) {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.InvalidParam("The invited user domain does not belong to this server"),
}
}
if inviteReq.Event().EventID() != eventID {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("The event ID in the request path must match the event ID in the invite event JSON"),
}
}
input := gomatrixserverlib.HandleInviteInput{
RoomVersion: inviteReq.RoomVersion(),
RoomID: roomID,
InvitedUser: *invitedUser,
KeyID: cfg.Matrix.KeyID,
PrivateKey: cfg.Matrix.PrivateKey,
Verifier: keys,
RoomQuerier: rsAPI,
MembershipQuerier: &api.MembershipQuerier{Roomserver: rsAPI},
StateQuerier: rsAPI.StateQuerier(),
InviteEvent: inviteReq.Event(),
StrippedState: inviteReq.InviteRoomState(),
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UserIDQuerier: func(roomID string, senderID spec.SenderID) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
event, jsonErr := handleInvite(httpReq.Context(), input, rsAPI)
if jsonErr != nil {
return *jsonErr
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: fclient.RespInviteV2{Event: event.JSON()},
}
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
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return util.JSONResponse{
Code: http.StatusBadRequest,
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JSON: spec.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 *fclient.FederationRequest,
roomID spec.RoomID,
eventID string,
cfg *config.FederationAPI,
rsAPI api.FederationRoomserverAPI,
keys gomatrixserverlib.JSONVerifier,
) util.JSONResponse {
roomVer := gomatrixserverlib.RoomVersionV1
body := request.Content()
// roomVer is hardcoded to v1 so we know we won't panic on Must
event, err := gomatrixserverlib.MustGetRoomVersion(roomVer).NewEventFromTrustedJSON(body, false)
switch err.(type) {
case gomatrixserverlib.BadJSONError:
return util.JSONResponse{
Code: http.StatusBadRequest,
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JSON: spec.BadJSON(err.Error()),
}
case nil:
default:
return util.JSONResponse{
Code: http.StatusBadRequest,
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JSON: spec.NotJSON("The request body could not be decoded into an invite v1 request. " + err.Error()),
}
}
var strippedState []gomatrixserverlib.InviteStrippedState
if jsonErr := json.Unmarshal(event.Unsigned(), &strippedState); jsonErr != nil {
// just warn, they may not have added any.
util.GetLogger(httpReq.Context()).Warnf("failed to extract stripped state from invite event")
}
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if event.StateKey() == nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
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JSON: spec.BadJSON("The invite event has no state key"),
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}
}
invitedUser, err := spec.NewUserID(*event.StateKey(), true)
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if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.InvalidParam("The user ID is invalid"),
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}
}
if !cfg.Matrix.IsLocalServerName(invitedUser.Domain()) {
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
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return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.InvalidParam("The invited user domain does not belong to this server"),
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
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}
}
if event.EventID() != eventID {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("The event ID in the request path must match the event ID in the invite event JSON"),
}
}
input := gomatrixserverlib.HandleInviteInput{
RoomVersion: roomVer,
RoomID: roomID,
InvitedUser: *invitedUser,
KeyID: cfg.Matrix.KeyID,
PrivateKey: cfg.Matrix.PrivateKey,
Verifier: keys,
RoomQuerier: rsAPI,
MembershipQuerier: &api.MembershipQuerier{Roomserver: rsAPI},
StateQuerier: rsAPI.StateQuerier(),
InviteEvent: event,
StrippedState: strippedState,
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UserIDQuerier: func(roomID string, senderID spec.SenderID) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
event, jsonErr := handleInvite(httpReq.Context(), input, rsAPI)
if jsonErr != nil {
return *jsonErr
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: fclient.RespInvite{Event: event.JSON()},
}
}
func handleInvite(ctx context.Context, input gomatrixserverlib.HandleInviteInput, rsAPI api.FederationRoomserverAPI) (gomatrixserverlib.PDU, *util.JSONResponse) {
inviteEvent, err := gomatrixserverlib.HandleInvite(ctx, input)
switch e := err.(type) {
case nil:
case spec.InternalServerError:
util.GetLogger(ctx).WithError(err)
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
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JSON: spec.InternalServerError{},
}
case spec.MatrixError:
util.GetLogger(ctx).WithError(err)
code := http.StatusInternalServerError
switch e.ErrCode {
case spec.ErrorForbidden:
code = http.StatusForbidden
case spec.ErrorUnsupportedRoomVersion:
fallthrough // http.StatusBadRequest
case spec.ErrorBadJSON:
code = http.StatusBadRequest
}
return nil, &util.JSONResponse{
Code: code,
JSON: e,
}
default:
util.GetLogger(ctx).WithError(err)
return nil, &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.Unknown("unknown error"),
}
}
headeredInvite := &types.HeaderedEvent{PDU: inviteEvent}
if err = rsAPI.HandleInvite(ctx, headeredInvite); err != nil {
util.GetLogger(ctx).WithError(err).Error("HandleInvite failed")
return nil, &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
return inviteEvent, nil
}