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Sign MXIDMapping for join events

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Till Faelligen 2023-06-14 09:39:32 +02:00
parent 781bd80c2c
commit 50615c7609
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7 changed files with 46 additions and 18 deletions
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2
go.mod
View file

@ -22,7 +22,7 @@ require (
github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e
github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91
github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530
github.com/matrix-org/gomatrixserverlib v0.0.0-20230613155116-96519f6cf88a
github.com/matrix-org/gomatrixserverlib v0.0.0-20230614073341-8d0345fcba4e
github.com/matrix-org/pinecone v0.11.1-0.20230210171230-8c3b24f2649a
github.com/matrix-org/util v0.0.0-20221111132719-399730281e66
github.com/mattn/go-sqlite3 v1.14.16

4
go.sum
View file

@ -323,8 +323,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91 h1:s7fexw
github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91/go.mod h1:e+cg2q7C7yE5QnAXgzo512tgFh1RbQLC0+jozuegKgo=
github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530 h1:kHKxCOLcHH8r4Fzarl4+Y3K5hjothkVW5z7T1dUM11U=
github.com/matrix-org/gomatrix v0.0.0-20220926102614-ceba4d9f7530/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s=
github.com/matrix-org/gomatrixserverlib v0.0.0-20230613155116-96519f6cf88a h1:wC3e4IAsjhTnHnxfz4LoxO5Q03YCL7TlMa+EKLQqjOs=
github.com/matrix-org/gomatrixserverlib v0.0.0-20230613155116-96519f6cf88a/go.mod h1:H9V9N3Uqn1bBJqYJNGK1noqtgJTaCEhtTdcH/mp50uU=
github.com/matrix-org/gomatrixserverlib v0.0.0-20230614073341-8d0345fcba4e h1:ZCPgtte0nLiqzS9x7Et4jVAnOGLEszijsH0Xi9h/CJA=
github.com/matrix-org/gomatrixserverlib v0.0.0-20230614073341-8d0345fcba4e/go.mod h1:H9V9N3Uqn1bBJqYJNGK1noqtgJTaCEhtTdcH/mp50uU=
github.com/matrix-org/pinecone v0.11.1-0.20230210171230-8c3b24f2649a h1:awrPDf9LEFySxTLKYBMCiObelNx/cBuv/wzllvCCH3A=
github.com/matrix-org/pinecone v0.11.1-0.20230210171230-8c3b24f2649a/go.mod h1:HchJX9oKMXaT2xYFs0Ha/6Zs06mxLU8k6F1ODnrGkeQ=
github.com/matrix-org/util v0.0.0-20221111132719-399730281e66 h1:6z4KxomXSIGWqhHcfzExgkH3Z3UkIXry4ibJS4Aqz2Y=

2
roomserver/api/query.go
View file

@ -174,6 +174,8 @@ type QueryServerJoinedToRoomResponse struct {
RoomExists bool `json:"room_exists"`
// True if we still believe that the server is participating in the room
IsInRoom bool `json:"is_in_room"`
// The roomversion if joined to room
RoomVersion gomatrixserverlib.RoomVersion
}
// QueryServerAllowedToSeeEventRequest is a request to QueryServerAllowedToSeeEvent

4
roomserver/internal/perform/perform_create_room.go
View file

@ -17,11 +17,9 @@ package perform
import (
"context"
"crypto/ed25519"
"encoding/base64"
"encoding/json"
"fmt"
"net/http"
"strings"
"github.com/getsentry/sentry-go"
"github.com/matrix-org/dendrite/internal/eventutil"
@ -174,7 +172,7 @@ func (c *Creator) PerformCreateRoom(ctx context.Context, userID spec.UserID, roo
}
mapping := &gomatrixserverlib.MXIDMapping{
UserRoomKey: strings.ToLower(base64.StdEncoding.WithPadding(base64.NoPadding).EncodeToString(pseudoIDKey.Public().(ed25519.PublicKey))),
UserRoomKey: spec.UserRoomKey(pseudoIDKey),
UserID: userID.String(),
}

48
roomserver/internal/perform/perform_join.go
View file

@ -16,6 +16,7 @@ package perform
import (
"context"
"crypto/ed25519"
"database/sql"
"errors"
"fmt"
@ -24,7 +25,9 @@ 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"
"github.com/tidwall/gjson"
@ -208,9 +211,6 @@ func (r *Joiner) performJoinRoomByID(
} else if authorisedVia != "" {
req.Content["join_authorised_via_users_server"] = authorisedVia
}
if err = proto.SetContent(req.Content); err != nil {
return "", "", fmt.Errorf("eb.SetContent: %w", err)
}
// Force a federated join if we aren't in the room and we've been
// given some server names to try joining by.
@ -289,19 +289,43 @@ func (r *Joiner) performJoinRoomByID(
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.UserRoomKey(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: userID.Domain(),
KeyID: "self",
PrivateKey: pseudoIDKey,
}
}
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)
switch err.(type) {
case nil:
// create user room key if needed
if buildRes.RoomVersion == gomatrixserverlib.RoomVersionPseudoIDs {
_, err = r.RSAPI.GetOrCreateUserRoomPrivateKey(ctx, *userID, *roomID)
if err != nil {
logrus.WithError(err).Error("GetOrCreateUserRoomPrivateKey failed")
return "", "", fmt.Errorf("failed to get user room private key: %w", err)
}
}
// The room join is local. Send the new join event into the
// roomserver. First of all check that the user isn't already
// a member of the room. This is best-effort (as in we won't

3
roomserver/internal/query/query.go
View file

@ -477,6 +477,9 @@ func (r *Queryer) QueryServerJoinedToRoom(
if err != nil {
return fmt.Errorf("r.DB.RoomInfo: %w", err)
}
if info != nil {
response.RoomVersion = info.RoomVersion
}
if info == nil || info.IsStub() {
return nil
}

1
roomserver/storage/shared/storage.go
View file

@ -1692,6 +1692,7 @@ func (d *Database) InsertUserRoomPublicKey(ctx context.Context, userID spec.User
// SelectUserRoomPrivateKey queries the users room private key.
// If no key exists, returns no key and no error. Otherwise returns
// the key and a database error, if any.
// TODO: Cache this?
func (d *Database) SelectUserRoomPrivateKey(ctx context.Context, userID spec.UserID, roomID spec.RoomID) (key ed25519.PrivateKey, err error) {
uID := userID.String()
stateKeyNIDMap, sErr := d.eventStateKeyNIDs(ctx, nil, []string{uID})