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Add MXIDMapping for pseudoID rooms (#3112)

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Add `MXIDMapping` on membership events when
creating/joining rooms.
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Till 2023-06-28 20:29:49 +02:00 • committed by GitHub
parent 4722f12fab
commit 23cd7877a1
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41 changed files with 593 additions and 177 deletions
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39
roomserver/internal/perform/perform_join.go
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@ -16,6 +16,7 @@ package perform
import (
"context"
"crypto/ed25519"
"database/sql"
"errors"
"fmt"
@ -24,6 +25,7 @@ import (
"github.com/getsentry/sentry-go"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/fclient"
"github.com/matrix-org/gomatrixserverlib/spec"
"github.com/matrix-org/util"
"github.com/sirupsen/logrus"
@ -202,14 +204,15 @@ func (r *Joiner) performJoinRoomByID(
senderID, err = r.Queryer.QuerySenderIDForUser(ctx, *roomID, *userID)
if err == nil {
checkInvitePending = true
} else {
}
if senderID == "" {
// create user room key if needed
key, keyErr := r.RSAPI.GetOrCreateUserRoomPrivateKey(ctx, *userID, *roomID)
if keyErr != nil {
util.GetLogger(ctx).WithError(keyErr).Error("GetOrCreateUserRoomPrivateKey failed")
return "", "", fmt.Errorf("GetOrCreateUserRoomPrivateKey failed: %w", keyErr)
}
senderID = spec.SenderID(spec.Base64Bytes(key).Encode())
senderID = spec.SenderIDFromPseudoIDKey(key)
}
default:
checkInvitePending = true
@ -283,11 +286,39 @@ func (r *Joiner) performJoinRoomByID(
// but everyone has since left. I suspect it does the wrong thing.
var buildRes rsAPI.QueryLatestEventsAndStateResponse
identity, err := r.Cfg.Matrix.SigningIdentityFor(userDomain)
identity, err := r.RSAPI.SigningIdentityFor(ctx, *roomID, *userID)
if err != nil {
return "", "", fmt.Errorf("error joining local room: %q", err)
}
// at this point we know we have an existing room
if inRoomRes.RoomVersion == gomatrixserverlib.RoomVersionPseudoIDs {
var pseudoIDKey ed25519.PrivateKey
pseudoIDKey, err = r.RSAPI.GetOrCreateUserRoomPrivateKey(ctx, *userID, *roomID)
if err != nil {
util.GetLogger(ctx).WithError(err).Error("GetOrCreateUserRoomPrivateKey failed")
return "", "", err
}
mapping := &gomatrixserverlib.MXIDMapping{
UserRoomKey: spec.SenderIDFromPseudoIDKey(pseudoIDKey),
UserID: userID.String(),
}
// Sign the mapping with the server identity
if err = mapping.Sign(identity.ServerName, identity.KeyID, identity.PrivateKey); err != nil {
return "", "", err
}
req.Content["mxid_mapping"] = mapping
// sign the event with the pseudo ID key
identity = fclient.SigningIdentity{
ServerName: "self",
KeyID: "ed25519:1",
PrivateKey: pseudoIDKey,
}
}
senderIDString := string(senderID)
// Prepare the template for the join event.
@ -317,7 +348,7 @@ func (r *Joiner) performJoinRoomByID(
if err = proto.SetContent(req.Content); err != nil {
return "", "", fmt.Errorf("eb.SetContent: %w", err)
}
event, err := eventutil.QueryAndBuildEvent(ctx, &proto, identity, time.Now(), r.RSAPI, &buildRes)
event, err := eventutil.QueryAndBuildEvent(ctx, &proto, &identity, time.Now(), r.RSAPI, &buildRes)
switch err.(type) {
case nil: