PDU Sender split (#3100)

Initial cut of splitting PDU Sender into SenderID & looking up UserID where required.
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devonh 2023-06-06 20:55:18 +00:00 committed by GitHub
parent 725ff5567d
commit 7a1fd7f512
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66 changed files with 580 additions and 189 deletions

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@ -36,6 +36,10 @@ type fedRoomserverAPI struct {
queryRoomsForUser func(ctx context.Context, req *rsapi.QueryRoomsForUserRequest, res *rsapi.QueryRoomsForUserResponse) error
}
func (f *fedRoomserverAPI) QueryUserIDForSender(ctx context.Context, roomID string, senderID string) (*spec.UserID, error) {
return spec.NewUserID(senderID, true)
}
// PerformJoin will call this function
func (f *fedRoomserverAPI) InputRoomEvents(ctx context.Context, req *rsapi.InputRoomEventsRequest, res *rsapi.InputRoomEventsResponse) {
if f.inputRoomEvents == nil {

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@ -156,15 +156,20 @@ func (r *FederationInternalAPI) performJoinUsingServer(
}
joinInput := gomatrixserverlib.PerformJoinInput{
UserID: user,
RoomID: room,
ServerName: serverName,
Content: content,
Unsigned: unsigned,
PrivateKey: r.cfg.Matrix.PrivateKey,
KeyID: r.cfg.Matrix.KeyID,
KeyRing: r.keyRing,
EventProvider: federatedEventProvider(ctx, r.federation, r.keyRing, user.Domain(), serverName),
UserID: user,
RoomID: room,
ServerName: serverName,
Content: content,
Unsigned: unsigned,
PrivateKey: r.cfg.Matrix.PrivateKey,
KeyID: r.cfg.Matrix.KeyID,
KeyRing: r.keyRing,
EventProvider: federatedEventProvider(ctx, r.federation, r.keyRing, user.Domain(), serverName, func(roomID, senderID string) (*spec.UserID, error) {
return r.rsAPI.QueryUserIDForSender(ctx, roomID, senderID)
}),
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return r.rsAPI.QueryUserIDForSender(ctx, roomID, senderID)
},
}
response, joinErr := gomatrixserverlib.PerformJoin(ctx, r, joinInput)
@ -358,8 +363,11 @@ func (r *FederationInternalAPI) performOutboundPeekUsingServer(
// authenticate the state returned (check its auth events etc)
// the equivalent of CheckSendJoinResponse()
userIDProvider := func(roomID, senderID string) (*spec.UserID, error) {
return r.rsAPI.QueryUserIDForSender(ctx, roomID, senderID)
}
authEvents, stateEvents, err := gomatrixserverlib.CheckStateResponse(
ctx, &respPeek, respPeek.RoomVersion, r.keyRing, federatedEventProvider(ctx, r.federation, r.keyRing, r.cfg.Matrix.ServerName, serverName),
ctx, &respPeek, respPeek.RoomVersion, r.keyRing, federatedEventProvider(ctx, r.federation, r.keyRing, r.cfg.Matrix.ServerName, serverName, userIDProvider), userIDProvider,
)
if err != nil {
return fmt.Errorf("error checking state returned from peeking: %w", err)
@ -509,7 +517,7 @@ func (r *FederationInternalAPI) SendInvite(
event gomatrixserverlib.PDU,
strippedState []gomatrixserverlib.InviteStrippedState,
) (gomatrixserverlib.PDU, error) {
_, origin, err := r.cfg.Matrix.SplitLocalID('@', event.Sender())
inviter, err := r.rsAPI.QueryUserIDForSender(ctx, event.RoomID(), event.SenderID())
if err != nil {
return nil, err
}
@ -542,7 +550,7 @@ func (r *FederationInternalAPI) SendInvite(
return nil, fmt.Errorf("gomatrixserverlib.NewInviteV2Request: %w", err)
}
inviteRes, err := r.federation.SendInviteV2(ctx, origin, destination, inviteReq)
inviteRes, err := r.federation.SendInviteV2(ctx, inviter.Domain(), destination, inviteReq)
if err != nil {
return nil, fmt.Errorf("r.federation.SendInviteV2: failed to send invite: %w", err)
}
@ -635,6 +643,7 @@ func checkEventsContainCreateEvent(events []gomatrixserverlib.PDU) error {
func federatedEventProvider(
ctx context.Context, federation fclient.FederationClient,
keyRing gomatrixserverlib.JSONVerifier, origin, server spec.ServerName,
userIDForSender spec.UserIDForSender,
) gomatrixserverlib.EventProvider {
// A list of events that we have retried, if they were not included in
// the auth events supplied in the send_join.
@ -684,7 +693,7 @@ func federatedEventProvider(
}
// Check the signatures of the event.
if err := gomatrixserverlib.VerifyEventSignatures(ctx, ev, keyRing); err != nil {
if err := gomatrixserverlib.VerifyEventSignatures(ctx, ev, keyRing, userIDForSender); err != nil {
return nil, fmt.Errorf("missingAuth VerifyEventSignatures: %w", err)
}

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@ -95,6 +95,9 @@ func InviteV2(
StateQuerier: rsAPI.StateQuerier(),
InviteEvent: inviteReq.Event(),
StrippedState: inviteReq.InviteRoomState(),
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
event, jsonErr := handleInvite(httpReq.Context(), input, rsAPI)
if jsonErr != nil {
@ -185,6 +188,9 @@ func InviteV1(
StateQuerier: rsAPI.StateQuerier(),
InviteEvent: event,
StrippedState: strippedState,
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
event, jsonErr := handleInvite(httpReq.Context(), input, rsAPI)
if jsonErr != nil {

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@ -99,15 +99,18 @@ func MakeJoin(
}
input := gomatrixserverlib.HandleMakeJoinInput{
Context: httpReq.Context(),
UserID: userID,
RoomID: roomID,
RoomVersion: roomVersion,
RemoteVersions: remoteVersions,
RequestOrigin: request.Origin(),
LocalServerName: cfg.Matrix.ServerName,
LocalServerInRoom: res.RoomExists && res.IsInRoom,
RoomQuerier: &roomQuerier,
Context: httpReq.Context(),
UserID: userID,
RoomID: roomID,
RoomVersion: roomVersion,
RemoteVersions: remoteVersions,
RequestOrigin: request.Origin(),
LocalServerName: cfg.Matrix.ServerName,
LocalServerInRoom: res.RoomExists && res.IsInRoom,
RoomQuerier: &roomQuerier,
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
BuildEventTemplate: createJoinTemplate,
}
response, internalErr := gomatrixserverlib.HandleMakeJoin(input)
@ -202,6 +205,9 @@ func SendJoin(
PrivateKey: cfg.Matrix.PrivateKey,
Verifier: keys,
MembershipQuerier: &api.MembershipQuerier{Roomserver: rsAPI},
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
response, joinErr := gomatrixserverlib.HandleSendJoin(input)
switch e := joinErr.(type) {

View file

@ -95,6 +95,9 @@ func MakeLeave(
LocalServerName: cfg.Matrix.ServerName,
LocalServerInRoom: res.RoomExists && res.IsInRoom,
BuildEventTemplate: createLeaveTemplate,
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
response, internalErr := gomatrixserverlib.HandleMakeLeave(input)
@ -213,7 +216,7 @@ func SendLeave(
JSON: spec.BadJSON("No state key was provided in the leave event."),
}
}
if !event.StateKeyEquals(event.Sender()) {
if !event.StateKeyEquals(event.SenderID()) {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("Event state key must match the event sender."),
@ -223,13 +226,13 @@ func SendLeave(
// Check that the sender belongs to the server that is sending us
// the request. By this point we've already asserted that the sender
// and the state key are equal so we don't need to check both.
var serverName spec.ServerName
if _, serverName, err = gomatrixserverlib.SplitID('@', event.Sender()); err != nil {
sender, err := rsAPI.QueryUserIDForSender(httpReq.Context(), event.RoomID(), event.SenderID())
if err != nil {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.Forbidden("The sender of the join is invalid"),
}
} else if serverName != request.Origin() {
} else if sender.Domain() != request.Origin() {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.Forbidden("The sender does not match the server that originated the request"),
@ -291,7 +294,7 @@ func SendLeave(
}
}
verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
ServerName: serverName,
ServerName: sender.Domain(),
Message: redacted,
AtTS: event.OriginServerTS(),
ValidityCheckingFunc: gomatrixserverlib.StrictValiditySignatureCheck,