Room version 12 (#3623)
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This commit is contained in:
Kegan Dougal 2025-08-11 20:59:47 +01:00 committed by GitHub
parent a408b24d28
commit 4d93d921be
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
26 changed files with 530 additions and 208 deletions

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@ -39,6 +39,7 @@ type Creator struct {
// PerformCreateRoom handles all the steps necessary to create a new room.
// nolint: gocyclo
func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roomID spec.RoomID, createRequest *api.PerformCreateRoomRequest) (string, *util.JSONResponse) {
// Make sure we know the room version
verImpl, err := gomatrixserverlib.GetRoomVersion(createRequest.RoomVersion)
if err != nil {
return "", &util.JSONResponse{
@ -47,17 +48,7 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
}
}
createContent := map[string]interface{}{}
if len(createRequest.CreationContent) > 0 {
if err = json.Unmarshal(createRequest.CreationContent, &createContent); err != nil {
util.GetLogger(ctx).WithError(err).Error("json.Unmarshal for creation_content failed")
return "", &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("invalid create content"),
}
}
}
// Allocate the room
_, err = c.DB.AssignRoomNID(ctx, roomID, createRequest.RoomVersion)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("failed to assign roomNID")
@ -67,6 +58,7 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
}
}
// Allocate the user
var senderID spec.SenderID
if createRequest.RoomVersion == gomatrixserverlib.RoomVersionPseudoIDs {
// create user room key if needed
@ -83,17 +75,73 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
senderID = spec.SenderID(userID.String())
}
// TODO: Maybe, at some point, GMSL should return the events to create, so we can define the version
// entirely there.
switch createRequest.RoomVersion {
case gomatrixserverlib.RoomVersionV11:
// RoomVersionV11 removed the creator field from the create content: https://github.com/matrix-org/matrix-spec-proposals/pull/2175
default:
createContent["creator"] = senderID
// get the signing identity
identity, err := c.Cfg.Matrix.SigningIdentityFor(userID.Domain()) // we MUST use the server signing mxid_mapping
if err != nil {
logrus.WithError(err).WithField("domain", userID.Domain()).Error("unable to find signing identity for domain")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
createContent["room_version"] = createRequest.RoomVersion
powerLevelContent := eventutil.InitialPowerLevelsContent(string(senderID))
// Make the create event if we need to
var (
createEvent gomatrixserverlib.PDU
jsonErr *util.JSONResponse
)
authEvents, _ := gomatrixserverlib.NewAuthEvents(nil)
if createRequest.CreateEvent != nil {
createEvent, err = verImpl.NewEventFromTrustedJSON(createRequest.CreateEvent, false)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.NewEventFromTrustedJSON failed to verify create event")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
if err = authEvents.AddEvent(createEvent); err != nil {
util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.AuthEvents.AddEvent failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
} else {
var additionalCreators []string
if createRequest.StatePreset == spec.PresetTrustedPrivateChat {
additionalCreators = createRequest.InvitedUsers
}
createContent, contentErr := api.GenerateCreateContent(ctx, createRequest.RoomVersion, string(senderID), createRequest.CreationContent, additionalCreators)
if contentErr != nil {
util.GetLogger(ctx).WithError(contentErr).Error("GenerateCreateContent failed")
return "", &util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("invalid create content"),
}
}
createEvent, jsonErr = api.GeneratePDU(
ctx, verImpl,
gomatrixserverlib.FledglingEvent{
Type: spec.MRoomCreate,
Content: createContent,
},
authEvents, 1, "", identity, createRequest.EventTime, string(senderID), roomID.String(), c.RSAPI,
)
if jsonErr != nil {
util.GetLogger(ctx).WithError(err).Error("Failed to make the create event")
return "", jsonErr
}
if err = authEvents.AddEvent(createEvent); err != nil {
util.GetLogger(ctx).WithError(err).Error("authEvents.AddEvent failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
}
powerLevelContent := eventutil.InitialPowerLevelsContent(verImpl, string(senderID))
joinRuleContent := gomatrixserverlib.JoinRuleContent{
JoinRule: spec.Invite,
}
@ -122,8 +170,10 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
case spec.PresetTrustedPrivateChat:
joinRuleContent.JoinRule = spec.Invite
historyVisibilityContent.HistoryVisibility = historyVisibilityShared
for _, invitee := range createRequest.InvitedUsers {
powerLevelContent.Users[invitee] = 100
if !verImpl.PrivilegedCreators() {
for _, invitee := range createRequest.InvitedUsers {
powerLevelContent.Users[invitee] = 100
}
}
guestsCanJoin = true
case spec.PresetPublicChat:
@ -131,10 +181,6 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
historyVisibilityContent.HistoryVisibility = historyVisibilityShared
}
createEvent := gomatrixserverlib.FledglingEvent{
Type: spec.MRoomCreate,
Content: createContent,
}
powerLevelEvent := gomatrixserverlib.FledglingEvent{
Type: spec.MRoomPowerLevels,
Content: powerLevelContent,
@ -158,16 +204,6 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
AvatarURL: createRequest.UserAvatarURL,
}
// get the signing identity
identity, err := c.Cfg.Matrix.SigningIdentityFor(userID.Domain()) // we MUST use the server signing mxid_mapping
if err != nil {
logrus.WithError(err).WithField("domain", userID.Domain()).Error("unable to find signing identity for domain")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
// If we are creating a room with pseudo IDs, create and sign the MXIDMapping
if createRequest.RoomVersion == gomatrixserverlib.RoomVersionPseudoIDs {
var pseudoIDKey ed25519.PrivateKey
@ -279,7 +315,6 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
switch createRequest.InitialState[i].Type {
case spec.MRoomCreate:
continue
case spec.MRoomPowerLevels:
powerLevelEvent = createRequest.InitialState[i]
@ -321,7 +356,8 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
// harder to reason about, hence sticking to a strict static ordering.
// TODO: Synapse has txn/token ID on each event. Do we need to do this here?
eventsToMake := []gomatrixserverlib.FledglingEvent{
createEvent, membershipEvent, powerLevelEvent, joinRuleEvent, historyVisibilityEvent,
// we made the create event already hence it isn't here.
membershipEvent, powerLevelEvent, joinRuleEvent, historyVisibilityEvent,
}
if guestAccessEvent != nil {
eventsToMake = append(eventsToMake, *guestAccessEvent)
@ -342,61 +378,19 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
// TODO: invite events
// TODO: 3pid invite events
var builtEvents []*types.HeaderedEvent
authEvents, _ := gomatrixserverlib.NewAuthEvents(nil)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("rsapi.QuerySenderIDForUser failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
builtEvents := []*types.HeaderedEvent{
{PDU: createEvent},
}
for i, e := range eventsToMake {
depth := i + 1 // depth starts at 1
depth := i + 2 // depth starts at 2 since we made the create event already
builder := verImpl.NewEventBuilderFromProtoEvent(&gomatrixserverlib.ProtoEvent{
SenderID: string(senderID),
RoomID: roomID.String(),
Type: e.Type,
StateKey: &e.StateKey,
Depth: int64(depth),
})
err = builder.SetContent(e.Content)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("builder.SetContent failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
if i > 0 {
builder.PrevEvents = []string{builtEvents[i-1].EventID()}
}
var ev gomatrixserverlib.PDU
if err = builder.AddAuthEvents(authEvents); err != nil {
util.GetLogger(ctx).WithError(err).Error("AddAuthEvents failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
ev, err = builder.Build(createRequest.EventTime, identity.ServerName, identity.KeyID, identity.PrivateKey)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("buildEvent failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
if err = gomatrixserverlib.Allowed(ev, authEvents, func(roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
return c.RSAPI.QueryUserIDForSender(ctx, roomID, senderID)
}); err != nil {
util.GetLogger(ctx).WithError(err).Error("gomatrixserverlib.Allowed failed")
return "", &util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
ev, jsonErr := api.GeneratePDU(
ctx, verImpl, e,
authEvents, depth, builtEvents[len(builtEvents)-1].EventID(),
identity, createRequest.EventTime, string(senderID), roomID.String(), c.RSAPI,
)
if jsonErr != nil {
return "", jsonErr
}
// Add the event to the list of auth events