groupinfo: add exclude from timeline flag for group resyncs

.github/ISSUE_TEMPLATE/bug.md

@@ -7,12 +7,10 @@ type: Bug
 
 ---
 
-<!-- Include relevant logs, the bridge version and other important details here -->
+<!--
+Remember to include relevant logs, the bridge version and any other details.
 
-### Checklist
+It's always best to ask in the Matrix room first, especially if you aren't sure
-
+what details are needed. Issues with insufficient detail will likely just be
-<!-- All items below are mandatory. Issues not following the rules may be closed without comment. -->
+ignored or closed immediately.
-
+-->
-* [ ] This is an actual bug, not just a setup issue (see the [troubleshooting docs](https://docs.mau.fi/bridges/general/troubleshooting.html) or ask in the Matrix room for setup help).
-* [ ] I am certain that sufficient information is included. Ask in the Matrix room first if not.
-* [ ] The bug is still present on the main branch. The `!signal version` command output is: ``

.github/workflows/go.yml

@@ -11,14 +11,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: ["1.26", "1.27"]
+        go-version: ["1.24", "1.25"]
-    name: Lint ${{ matrix.go-version == '1.27' && '(latest)' || '(old)' }}
+    name: Lint ${{ matrix.go-version == '1.25' && '(latest)' || '(old)' }}
 
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v4
 
       - name: Set up Go
-        uses: actions/setup-go@v7
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
           cache: true
@@ -30,7 +30,6 @@ jobs:
         run: |
           go install golang.org/x/tools/cmd/goimports@latest
           go install honnef.co/go/tools/cmd/staticcheck@latest
-          go install github.com/beeper/pre-commit-go/bridgelint@latest
           export PATH="$HOME/go/bin:$PATH"
 
       - name: Run pre-commit
@@ -41,14 +40,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: ["1.26", "1.27"]
+        go-version: ["1.24", "1.25"]
-    name: Test ${{ matrix.go-version == '1.27' && '(latest)' || '(old)' }}
+    name: Test ${{ matrix.go-version == '1.25' && '(latest)' || '(old)' }}
 
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v4
 
       - name: Set up Go
-        uses: actions/setup-go@v7
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
           cache: true

.github/workflows/stale.yml

@@ -17,7 +17,7 @@ jobs:
   lock-stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: dessant/lock-threads@v6
+      - uses: dessant/lock-threads@v5
         id: lock
         with:
           issue-inactive-days: 90

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ repos:
       - id: check-added-large-files
 
   - repo: https://github.com/tekwizely/pre-commit-golang
-    rev: v1.0.0-rc.4
+    rev: v1.0.0-rc.2
     hooks:
       - id: go-imports
         exclude: "pb\\.go$"
@@ -22,10 +22,7 @@ repos:
       # TODO: reenable this and fix all the problems
 
   - repo: https://github.com/beeper/pre-commit-go
-    rev: v0.5.0
+    rev: v0.4.2
     hooks:
       - id: zerolog-ban-msgf
       - id: zerolog-use-stringer
-      - id: bridgelint
-        language: system
-        verbose: true

CHANGELOG.md

@@ -1,140 +1,3 @@
-# v26.11 (unreleased)
-
-* Updated libsignal to v0.106.1.
-* Added support for sending more than 2048 characters of text to Signal by
-  uploading the rest of the text as an attachment, like official clients do.
-* Added automatic retrying of group message sends if the server returns a 500
-  or 503 error.
-* Added support for encrypting direct media with FLOE ([MSC4571]).
-* Fixed memory leak in libsignal store implementation.
-
-[MSC4571]: https://github.com/matrix-org/matrix-spec-proposals/pull/4571
-
-# v26.10
-
-* Updated libsignal to v0.105.0.
-* Added support for phonenumberless accounts.
-* Added support for starting chats with usernames and username links.
-* Added support for blocking and unblocking users on Signal.
-* Added support for new view-limited media interface in bridgev2.
-* Added proper sender certificate validation.
-* Changed storage sync to only sync once if repeated fetch latest notices are
-  received.
-* Fixed contact syncs not happening even when `sync_contacts_on_startup` was
-  set to true.
-* Fixed Signal encryption using wrong timestamp precision for session expiry.
-* Fixed sender key sharing not handling removed users properly.
-* Fixed handling retry receipts with no sender key info.
-* Fixed deadlock in prekey upload loop if the client gets logged out.
-* Fixed infinite loop when importing sticker packs with duplicate emoji
-  shortcuts.
-
-# v26.09
-
-* Bumped minimum Go version to 1.26.
-* Updated libsignal to v0.102.2.
-* Fixed handling messages with invalid values in formatting body ranges.
-* Fixed websocket request retrying not working correctly if the first attempt
-  times out.
-* Fixed another potential race condition with edited message bridging.
-
-# v26.08
-
-* Updated libsignal to v0.100.0
-* Added support for handling own profile key changes.
-* Changed attachment bridging behavior to match Signal Desktop.
-* Fixed edited messages being bridged twice if certain race conditions occurred.
-
-# v26.07
-
-* Updated Docker image to Alpine 3.24.
-* Updated libsignal to v0.97.2.
-* Added automatic retry when sender key send fails due to missing session.
-* Fixed changing poll votes from Matrix.
-
-# v26.06
-
-* Updated libsignal to v0.94.4.
-* Updated mrenclave to fix looking up phone numbers.
-* Changed knock accept handling to auto-join the ghost user afterwards.
-
-# v26.05
-
-* Updated libsignal to v0.93.2.
-* Added support for importing sticker packs from Signal.
-
-# v26.04
-
-* Updated libsignal to v0.92.1.
-* Added support for admin message deletes from Signal.
-* Added support for binary service IDs in storage service.
-* Fixed `private_chat_portal_meta` option not setting DM room names correctly.
-* Fixed panic if user is logged out during initial chat sync.
-* Fixed avatar upload failing when creating new Signal group.
-
-# v26.03
-
-* Switched to sending binary service ID fields in outgoing messages.
-* Added support for roundtripping large attachments via disk to avoid keeping
-  the entire file in memory during en/decryption.
-
-# v26.02.2
-
-* Added support for more new binary service ID fields.
-
-# v26.02.1
-
-* Updated libsignal to v0.87.5.
-* Added support for new binary service ID fields that Signal 8.0 switched to.
-
-# v26.02
-
-* Bumped minimum Go version to 1.25.
-* Updated libsignal to v0.87.1.
-* Added automatic recovery for the session not found error from libsignal.
-* Fixed sender key state not being cleared on logout properly.
-
-# v26.01
-
-* Updated libsignal to v0.86.12.
-* Changed automatic contact list sync option to only sync every 3 days rather
-  than on every restart.
-* Fixed sending messages to groups with no other registered members.
-* Fixed sender key sends failing if some users had changed devices.
-* Fixed timestamps of outgoing typing notifications in DMs.
-
-# v25.12
-
-* Updated libsignal to v0.86.8.
-* Updated Docker image to Alpine 3.23.
-* Added support for dropping incoming DMs from blocked contacts on Signal.
-* Added support for sender key encryption when sending to groups, which makes
-  sending much faster and enables sending typing notifications.
-* Added support for encryption retry receipts.
-* Fixed bugs with handling poll votes.
-* Fixed history transfer option not showing up when pairing with Signal Android.
-* Fixed nicknames being cleared not being bridged
-  (thanks to [@Enzime] in [#623]).
-
-[#623]: https://github.com/mautrix/signal/pull/623
-[@Enzime]: https://github.com/Enzime
-
-# v25.11
-
-* Updated libsignal to v0.86.4.
-* Added support for bridging invite state in groups for phone number invites.
-* Added support for polls.
-* Fixed PNI signature not being sent when replying to message requests.
-* Fixed unnecessary repeating error notices when Signal is down.
-* Fixed sticker size metadata on Matrix not matching how native Signal Desktop
-  renders them.
-
-# v25.10
-
-* Switched to calendar versioning.
-* Updated libsignal to v0.84.0.
-* Fixed backfill creating incorrect disappearing timer change notices.
-
 # v0.8.7 (2025-09-16)
 
 * Removed legacy provisioning API and database legacy migration.

CONTRIBUTING.md

@@ -1 +0,0 @@
-See <https://docs.mau.fi/bridges/general/contributing.html>

Dockerfile

@@ -1,17 +1,18 @@
 # -- Build libsignal (with Rust) --
-FROM rust:1-alpine AS rust-builder
+FROM rust:1-alpine as rust-builder
-RUN apk add --no-cache git make cmake protoc musl-dev g++ clang-dev protobuf-dev
+RUN apk add --no-cache git make cmake protoc musl-dev g++ clang-dev
 
 WORKDIR /build
 # Copy all files needed for Rust build, and no Go files
 COPY pkg/libsignalgo/libsignal/. pkg/libsignalgo/libsignal/.
 COPY build-rust.sh .
 
+ARG DBG=0
 RUN ./build-rust.sh
 
 # -- Build mautrix-signal (with Go) --
-FROM golang:1-alpine3.24 AS go-builder
+FROM golang:1-alpine3.22 AS go-builder
-RUN apk add --no-cache git ca-certificates build-base olm-dev zlib-dev
+RUN apk add --no-cache git ca-certificates build-base olm-dev
 
 WORKDIR /build
 # Copy all files needed for Go build, and no Rust files
@@ -25,14 +26,20 @@ COPY pkg/connector/. pkg/connector/.
 COPY cmd/. cmd/.
 COPY .git .git
 
+ARG DBG=0
 ENV LIBRARY_PATH=.
 COPY --from=rust-builder /build/pkg/libsignalgo/libsignal/target/*/libsignal_ffi.a ./
 RUN <<EOF
+if [ "$DBG" = 1 ]; then
+    go install github.com/go-delve/delve/cmd/dlv@latest
+else
+    touch /go/bin/dlv
+fi
 EOF
 RUN ./build-go.sh
 
 # -- Run mautrix-signal --
-FROM alpine:3.24
+FROM alpine:3.22
 
 ENV UID=1337 \
     GID=1337
@@ -41,6 +48,11 @@ RUN apk add --no-cache ffmpeg su-exec ca-certificates bash jq curl yq-go olm
 
 COPY --from=go-builder /build/mautrix-signal /usr/bin/mautrix-signal
 COPY --from=go-builder /build/docker-run.sh /docker-run.sh
+COPY --from=go-builder /go/bin/dlv /usr/bin/dlv
 VOLUME /data
 
+ARG DBG
+ARG DBGWAIT=0
+ENV DBG=${DBG} DBGWAIT=${DBGWAIT}
+RUN echo "Debug mode: DBG=${DBG} DBGWAIT=${DBGWAIT}"
 CMD ["/docker-run.sh"]

Dockerfile.ci

@@ -1,6 +1,4 @@
-ARG DOCKER_HUB="docker.io"
+FROM alpine:3.22
-
-FROM ${DOCKER_HUB}/alpine:3.24
 
 ENV UID=1337 \
     GID=1337

ROADMAP.md

@@ -5,7 +5,6 @@
     * [x] Text
     * [x] Formatting
     * [x] Mentions
-    * [x] Polls
     * [x] Media
       * [x] Images
       * [x] Audio files
@@ -35,7 +34,6 @@
     * [x] Text
     * [x] Formatting
     * [x] Mentions
-    * [x] Polls
     * [ ] Media
       * [x] Images
       * [x] Voice notes
@@ -67,8 +65,8 @@
   * [ ] Delivery receipts (there's no good way to bridge these)
   * [x] Disappearing messages
 * Misc
-  * [x] Automatic portal creation
+  * [ ] Automatic portal creation
-    * [x] After login
+    * [ ] After login
     * [x] When receiving message
   * [x] Linking as secondary device
   * [ ] Registering as primary device

build-go.sh

@@ -1,2 +1,9 @@
 #!/bin/sh
-BINARY_NAME=mautrix-signal go tool maubuild "$@"
+MAUTRIX_VERSION=$(cat go.mod | grep 'maunium.net/go/mautrix ' | awk '{ print $2 }')
+GO_LDFLAGS="-X main.Tag=$(git describe --exact-match --tags 2>/dev/null) -X main.Commit=$(git rev-parse HEAD) -X 'main.BuildTime=`date -Iseconds`' -X 'maunium.net/go/mautrix.GoModVersion=$MAUTRIX_VERSION'"
+if [ "$DBG" = 1 ]; then
+    GO_GCFLAGS='all=-N -l'
+else
+    GO_LDFLAGS="-s -w ${GO_LDFLAGS}"
+fi
+go build -gcflags="$GO_GCFLAGS" -ldflags="$GO_LDFLAGS" -o mautrix-signal "$@" ./cmd/mautrix-signal

build-rust.sh

@@ -1,3 +1,10 @@
 #!/bin/sh
+# TODO fix linking with debug library
+#if [ "$DBG" != 1 ]; then
+#    RUST_PROFILE=release
+#else
+#    RUST_PROFILE=dev
+#fi
+RUST_PROFILE=release
 git submodule update --init
-cd pkg/libsignalgo/libsignal && RUSTFLAGS="-Ctarget-feature=-crt-static" RUSTC_WRAPPER="" cargo build -p libsignal-ffi --profile=release
+cd pkg/libsignalgo/libsignal && RUSTFLAGS="-Ctarget-feature=-crt-static" RUSTC_WRAPPER="" cargo build -p libsignal-ffi --profile=$RUST_PROFILE

build.sh

@@ -1,5 +1,4 @@
 #!/bin/sh
-set -e
 ./build-rust.sh
 cp -f pkg/libsignalgo/libsignal/target/release/libsignal_ffi.a .
 LIBRARY_PATH=.:$LIBRARY_PATH ./build-go.sh

cmd/mautrix-signal/legacyprovision.go

@@ -0,0 +1,147 @@
+// mautrix-signal - A Matrix-Signal puppeting bridge.
+// Copyright (C) 2024 Tulir Asokan
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is istributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"github.com/rs/zerolog"
+	"maunium.net/go/mautrix"
+	"maunium.net/go/mautrix/bridgev2"
+	"maunium.net/go/mautrix/id"
+)
+
+func legacyResolveIdentifierOrStartChat(w http.ResponseWriter, r *http.Request, create bool) {
+	login := m.Matrix.Provisioning.GetLoginForRequest(w, r)
+	if login == nil {
+		return
+	}
+	api := login.Client.(bridgev2.IdentifierResolvingNetworkAPI)
+	phonenum := r.PathValue("phonenum")
+	resp, err := api.ResolveIdentifier(r.Context(), phonenum, create)
+	if err != nil {
+		zerolog.Ctx(r.Context()).Err(err).Msg("Failed to resolve identifier")
+		JSONResponse(w, http.StatusInternalServerError, &Error{
+			Error:   fmt.Sprintf("Failed to resolve identifier: %v", err),
+			ErrCode: "M_UNKNOWN",
+		})
+		return
+	} else if resp == nil {
+		JSONResponse(w, http.StatusNotFound, &Error{
+			ErrCode: mautrix.MNotFound.ErrCode,
+			Error:   "User not found on Signal",
+		})
+		return
+	}
+	status := http.StatusOK
+	apiResp := &ResolveIdentifierResponse{
+		ChatID: ResolveIdentifierResponseChatID{
+			UUID:   string(resp.UserID),
+			Number: phonenum,
+		},
+	}
+	if resp.Ghost != nil {
+		if resp.UserInfo != nil {
+			resp.Ghost.UpdateInfo(r.Context(), resp.UserInfo)
+		}
+		apiResp.OtherUser = &ResolveIdentifierResponseOtherUser{
+			MXID:        resp.Ghost.Intent.GetMXID(),
+			DisplayName: resp.Ghost.Name,
+			AvatarURL:   resp.Ghost.AvatarMXC.ParseOrIgnore(),
+		}
+	}
+	if resp.Chat != nil {
+		if resp.Chat.Portal == nil {
+			resp.Chat.Portal, err = m.Bridge.GetPortalByKey(r.Context(), resp.Chat.PortalKey)
+			if err != nil {
+				zerolog.Ctx(r.Context()).Err(err).Msg("Failed to get portal")
+				JSONResponse(w, http.StatusInternalServerError, &mautrix.RespError{
+					Err:     "Failed to get portal",
+					ErrCode: "M_UNKNOWN",
+				})
+				return
+			}
+		}
+		if create && resp.Chat.Portal.MXID == "" {
+			apiResp.JustCreated = true
+			status = http.StatusCreated
+			err = resp.Chat.Portal.CreateMatrixRoom(r.Context(), login, resp.Chat.PortalInfo)
+			if err != nil {
+				zerolog.Ctx(r.Context()).Err(err).Msg("Failed to create portal room")
+				JSONResponse(w, http.StatusInternalServerError, &mautrix.RespError{
+					Err:     "Failed to create portal room",
+					ErrCode: "M_UNKNOWN",
+				})
+				return
+			}
+		}
+		apiResp.RoomID = resp.Chat.Portal.MXID
+	}
+	JSONResponse(w, status, &Response{
+		Success:                   true,
+		Status:                    "ok",
+		ResolveIdentifierResponse: apiResp,
+	})
+}
+
+func legacyProvResolveIdentifier(w http.ResponseWriter, r *http.Request) {
+	legacyResolveIdentifierOrStartChat(w, r, false)
+}
+
+func legacyProvPM(w http.ResponseWriter, r *http.Request) {
+	legacyResolveIdentifierOrStartChat(w, r, true)
+}
+
+func JSONResponse(w http.ResponseWriter, status int, response any) {
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(response)
+}
+
+type Error struct {
+	Success bool   `json:"success"`
+	Error   string `json:"error"`
+	ErrCode string `json:"errcode"`
+}
+
+type Response struct {
+	Success bool   `json:"success"`
+	Status  string `json:"status"`
+
+	// For response in ResolveIdentifier
+	*ResolveIdentifierResponse
+}
+
+type ResolveIdentifierResponse struct {
+	RoomID      id.RoomID                           `json:"room_id"`
+	ChatID      ResolveIdentifierResponseChatID     `json:"chat_id"`
+	JustCreated bool                                `json:"just_created"`
+	OtherUser   *ResolveIdentifierResponseOtherUser `json:"other_user,omitempty"`
+}
+
+type ResolveIdentifierResponseChatID struct {
+	UUID   string `json:"uuid"`
+	Number string `json:"number"`
+}
+
+type ResolveIdentifierResponseOtherUser struct {
+	MXID        id.UserID     `json:"mxid"`
+	DisplayName string        `json:"displayname"`
+	AvatarURL   id.ContentURI `json:"avatar_url"`
+}

cmd/mautrix-signal/main.go

@@ -17,12 +17,9 @@
 package main
 
 import (
-	"fmt"
-
 	"maunium.net/go/mautrix/bridgev2/matrix/mxmain"
 
 	"go.mau.fi/mautrix-signal/pkg/connector"
-	"go.mau.fi/mautrix-signal/pkg/signalmeow/web"
 )
 
 // Information to find out exactly which commit the bridge was built from.
@@ -37,14 +34,18 @@ var m = mxmain.BridgeMain{
 	Name:        "mautrix-signal",
 	URL:         "https://github.com/mautrix/signal",
 	Description: "A Matrix-Signal puppeting bridge.",
-	Version:     "26.10",
+	Version:     "0.8.7",
-	SemCalVer:   true,
 
 	Connector: &connector.SignalConnector{},
 }
 
 func main() {
-	web.UserAgent = fmt.Sprintf("mautrix-signal/%s %s", m.Version, web.BaseUserAgent)
+	m.PostStart = func() {
+		if m.Matrix.Provisioning != nil {
+			m.Matrix.Provisioning.Router.HandleFunc("GET /v2/resolve_identifier/{phonenum}", legacyProvResolveIdentifier)
+			m.Matrix.Provisioning.Router.HandleFunc("POST /v2/pm/{phonenum}", legacyProvPM)
+		}
+	}
 	m.InitVersion(Tag, Commit, BuildTime)
 	m.Run()
 }

go.mod

@@ -1,51 +1,48 @@
 module go.mau.fi/mautrix-signal
 
-go 1.26.0
+go 1.24.0
 
-toolchain go1.27.2
+toolchain go1.25.1
-
-tool go.mau.fi/util/cmd/maubuild
 
 require (
-	github.com/coder/websocket v1.8.15
+	github.com/coder/websocket v1.8.14
 	github.com/emersion/go-vcard v0.0.0-20241024213814-c9703dde27ff
 	github.com/google/uuid v1.6.0
 	github.com/mattn/go-pointer v0.0.1
-	github.com/rs/zerolog v1.35.1
+	github.com/rs/zerolog v1.34.0
-	github.com/stretchr/testify v1.12.0
+	github.com/stretchr/testify v1.11.1
-	github.com/tidwall/gjson v1.20.0
+	github.com/tidwall/gjson v1.18.0
-	go.mau.fi/util v0.11.0
+	go.mau.fi/util v0.9.2-0.20251001114608-d99877b9cc10
-	golang.org/x/crypto v0.58.0
+	golang.org/x/crypto v0.42.0
-	golang.org/x/exp v0.0.0-20261014143641-f0251eb4aa3e
+	golang.org/x/exp v0.0.0-20250911091902-df9299821621
-	golang.org/x/net v0.61.0
+	golang.org/x/net v0.44.0
-	golang.org/x/sync v0.24.0
+	google.golang.org/protobuf v1.36.9
-	google.golang.org/grpc v1.84.0
-	google.golang.org/protobuf v1.36.12
 	gopkg.in/yaml.v3 v3.0.1
-	maunium.net/go/mautrix v0.32.1-0.20261026145030-920bc073ba8d
+	maunium.net/go/mautrix v0.25.2-0.20251001115535-dd778ae0cdaf
 )
 
 require (
-	filippo.io/edwards25519 v1.2.0 // indirect
+	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/coreos/go-systemd/v22 v22.7.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
-	github.com/lib/pq v1.12.3 // indirect
+	github.com/lib/pq v1.10.9 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-sqlite3 v1.14.52 // indirect
+	github.com/mattn/go-sqlite3 v1.14.32 // indirect
-	github.com/petermattis/goid v0.0.0-20260918085751-abfca077860b // indirect
+	github.com/petermattis/goid v0.0.0-20250904145737-900bdf8bb490 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.10.0 // indirect
 	github.com/rs/xid v1.6.0 // indirect
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
-	github.com/tidwall/match v1.2.0 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
-	github.com/yuin/goldmark v1.8.6 // indirect
+	github.com/yuin/goldmark v1.7.13 // indirect
 	go.mau.fi/zeroconfig v0.2.0 // indirect
-	golang.org/x/mod v0.42.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
-	golang.org/x/sys v0.49.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
-	golang.org/x/text v0.43.0 // indirect
+	golang.org/x/text v0.29.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260706201446-f0a921348800 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	maunium.net/go/mauflag v1.0.0 // indirect

go.sum

@@ -1,18 +1,19 @@
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 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
@@ -95,5 +95,5 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 maunium.net/go/mauflag v1.0.0 h1:YiaRc0tEI3toYtJMRIfjP+jklH45uDHtT80nUamyD4M=
 maunium.net/go/mauflag v1.0.0/go.mod h1:nLivPOpTpHnpzEh8jEdSL9UqO9+/KBJFmNRlwKfkPeA=
-maunium.net/go/mautrix v0.32.1-0.20261026145030-920bc073ba8d h1:DsMn0i7cBKcQZ0AVxJm9hfWAu6xJdjRrf457EtXxyNY=
+maunium.net/go/mautrix v0.25.2-0.20251001115535-dd778ae0cdaf h1:prmIYgiziW4A8H2v/TliQ7fis8uTWblabxyPIeLFlNg=
-maunium.net/go/mautrix v0.32.1-0.20261026145030-920bc073ba8d/go.mod h1:tZSwPzw+/0pa0dxGufkh0uJqM84BNxB6e2I0+S0UyjU=
+maunium.net/go/mautrix v0.25.2-0.20251001115535-dd778ae0cdaf/go.mod h1:eWXuX2UAGye4AU7i/8Fv2L2Nh7L9kZtuv3R0O0n1KaM=

pkg/connector/backfill.go

@@ -77,8 +77,8 @@ func (s *SignalClient) FetchMessages(ctx context.Context, params bridgev2.FetchM
 	}
 	// GetBackupChatItems returns in reverse chronological order, so flip the list
 	slices.Reverse(items)
+	var firstDirectionfulProcessed bool
 	var isRead bool
-	var readUpTo time.Time
 	convertedMessages := make([]*bridgev2.BackfillMessage, 0, len(items))
 	attMap := make(msgconv.AttachmentMap)
 	recipientMap := make(map[uint64]*backuppb.Recipient)
@@ -123,17 +123,20 @@ func (s *SignalClient) FetchMessages(ctx context.Context, params bridgev2.FetchM
 		case *backuppb.ChatItem_Incoming:
 			streamOrder = int64(dt.Incoming.GetDateServerSent())
 			prevStreamOrder = streamOrder
-			isRead = dt.Incoming.Read
+			if !firstDirectionfulProcessed {
-			if isRead {
+				firstDirectionfulProcessed = true
-				readUpTo = time.UnixMilli(int64(item.DateSent))
+				isRead = dt.Incoming.Read
 			}
 		case *backuppb.ChatItem_Outgoing:
 			streamOrder = int64(item.GetDateSent())
 			// Ensure stream order is higher than previous incoming item, but lower than next incoming item
 			streamOrder = min(streamOrder, findNextStreamOrder(i+1)-1)
 			streamOrder = max(streamOrder, prevStreamOrder+1)
-			isRead = true
+
-			readUpTo = time.UnixMilli(int64(item.DateSent))
+			if !firstDirectionfulProcessed {
+				firstDirectionfulProcessed = true
+				isRead = true
+			}
 		}
 		if len(attMap) > 0 {
 			clear(attMap)
@@ -148,7 +151,7 @@ func (s *SignalClient) FetchMessages(ctx context.Context, params bridgev2.FetchM
 		if dm == nil {
 			continue
 		}
-		cm := s.Main.MsgConv.ToMatrix(ctx, s.Client, params.Portal, senderACI, s.Main.Bridge.Bot, dm, attMap)
+		cm := s.Main.MsgConv.ToMatrix(ctx, s.Client, params.Portal, s.Main.Bridge.Bot, dm, attMap)
 		convertedReactions := make([]*bridgev2.BackfillReaction, 0, len(reactions))
 		for _, reaction := range reactions {
 			reactionSenderACI, err := getRecipientACI(reaction.AuthorId)
@@ -175,20 +178,16 @@ func (s *SignalClient) FetchMessages(ctx context.Context, params bridgev2.FetchM
 			Reactions:        convertedReactions,
 		})
 	}
-	if isRead {
-		readUpTo = time.Time{}
-	}
 	return &bridgev2.FetchMessagesResponse{
 		Messages:         convertedMessages,
 		HasMore:          len(items) >= params.Count,
 		Forward:          params.Forward,
 		MarkRead:         isRead,
-		ReadUpTo:         readUpTo,
 		ApproxTotalCount: chat.TotalMessages,
 		CompleteCallback: func() {
 			// When reaching the last backwards backfill batch, delete the chat from the backup store.
 			// If backwards backfilling isn't enabled, delete immediately after the first backfill request.
-			if (!params.Forward && len(items) < params.Count) || !s.Main.Bridge.Config.Backfill.Queue.AnyEnabled() {
+			if (!params.Forward && len(items) < params.Count) || (!s.Main.Bridge.Config.Backfill.Queue.Enabled && !s.Main.Bridge.Config.Backfill.WillPaginateManually) {
 				err := s.Client.Store.BackupStore.DeleteBackupChat(ctx, chat.Id)
 				if err != nil {
 					zerolog.Ctx(ctx).Err(err).Msg("Failed to delete chat from backup store")

pkg/connector/capabilities.go

@@ -23,13 +23,10 @@ import (
 	"go.mau.fi/util/ffmpeg"
 	"go.mau.fi/util/jsontime"
 	"go.mau.fi/util/ptr"
+
 	"maunium.net/go/mautrix/bridgev2"
-	"maunium.net/go/mautrix/bridgev2/database"
 	"maunium.net/go/mautrix/bridgev2/networkid"
 	"maunium.net/go/mautrix/event"
-
-	"go.mau.fi/mautrix-signal/pkg/libsignalgo"
-	"go.mau.fi/mautrix-signal/pkg/signalid"
 )
 
 func supportedIfFFmpeg() event.CapabilitySupportLevel {
@@ -40,7 +37,7 @@ func supportedIfFFmpeg() event.CapabilitySupportLevel {
 }
 
 func capID() string {
-	base := "fi.mau.signal.capabilities.2026_10_21"
+	base := "fi.mau.signal.capabilities.2025_08_25"
 	if ffmpeg.Supported() {
 		return base + "+ffmpeg"
 	}
@@ -48,7 +45,7 @@ func capID() string {
 }
 
 const MaxFileSize = 100 * 1024 * 1024
-const MaxTextLength = 64 * 1024
+const MaxTextLength = 2000
 
 var signalCaps = &event.RoomFeatures{
 	ID: capID(),
@@ -79,11 +76,9 @@ var signalCaps = &event.RoomFeatures{
 				"image/jpeg": event.CapLevelFullySupported,
 				"image/webp": event.CapLevelFullySupported,
 				"image/bmp":  event.CapLevelFullySupported,
-				"image/avif": event.CapLevelFullySupported,
 			},
 			MaxWidth:         4096,
 			MaxHeight:        4096,
-			ViewLimitedTypes: []*event.BeeperViewLimitedMedia{{Type: "count", Count: 1}},
 			MaxSize:          MaxFileSize,
 			Caption:          event.CapLevelFullySupported,
 			MaxCaptionLength: MaxTextLength,
@@ -94,7 +89,6 @@ var signalCaps = &event.RoomFeatures{
 				"video/ogg":  event.CapLevelFullySupported,
 				"video/webm": event.CapLevelFullySupported,
 			},
-			ViewLimitedTypes: []*event.BeeperViewLimitedMedia{{Type: "count", Count: 1}},
 			MaxSize:          MaxFileSize,
 			Caption:          event.CapLevelFullySupported,
 			MaxCaptionLength: MaxTextLength,
@@ -103,10 +97,6 @@ var signalCaps = &event.RoomFeatures{
 			MimeTypes: map[string]event.CapabilitySupportLevel{
 				"audio/aac":  event.CapLevelFullySupported,
 				"audio/mpeg": event.CapLevelFullySupported,
-				"audio/mp3":  event.CapLevelFullySupported,
-				"audio/flac": event.CapLevelFullySupported,
-				"audio/mp4":  event.CapLevelFullySupported,
-				"audio/wav":  event.CapLevelFullySupported,
 			},
 			MaxSize: MaxFileSize,
 		},
@@ -120,8 +110,7 @@ var signalCaps = &event.RoomFeatures{
 		},
 		event.CapMsgSticker: {
 			MimeTypes: map[string]event.CapabilitySupportLevel{
-				// Signal clients will only render static webp, so apng is preferred
+				"image/webp": event.CapLevelFullySupported,
-				"image/webp": event.CapLevelPartialSupport,
 				"image/png":  event.CapLevelFullySupported,
 				"image/apng": event.CapLevelFullySupported,
 				"image/gif":  supportedIfFFmpeg(),
@@ -147,36 +136,18 @@ var signalCaps = &event.RoomFeatures{
 			MaxSize: MaxFileSize,
 		},
 	},
-	State: event.StateFeatureMap{
+	MaxTextLength:     MaxTextLength, // TODO support arbitrary sized text messages with files
-		event.StateRoomName.Type:                {Level: event.CapLevelFullySupported},
+	LocationMessage:   event.CapLevelPartialSupport,
-		event.StateRoomAvatar.Type:              {Level: event.CapLevelFullySupported},
+	Poll:              event.CapLevelRejected,
-		event.StateTopic.Type:                   {Level: event.CapLevelFullySupported},
+	Thread:            event.CapLevelUnsupported,
-		event.StateBeeperDisappearingTimer.Type: {Level: event.CapLevelFullySupported},
+	Reply:             event.CapLevelFullySupported,
-	},
+	Edit:              event.CapLevelFullySupported,
-	MemberActions: event.MemberFeatureMap{
+	EditMaxCount:      10,
-		event.MemberActionInvite:       event.CapLevelFullySupported,
+	EditMaxAge:        ptr.Ptr(jsontime.S(24 * time.Hour)),
-		event.MemberActionRevokeInvite: event.CapLevelFullySupported,
+	Delete:            event.CapLevelFullySupported,
-		event.MemberActionLeave:        event.CapLevelFullySupported,
+	DeleteForMe:       false,
-		event.MemberActionBan:          event.CapLevelFullySupported,
+	DeleteMaxAge:      ptr.Ptr(jsontime.S(24 * time.Hour)),
-		event.MemberActionKick:         event.CapLevelFullySupported,
+	DisappearingTimer: signalDisappearingCap,
-	},
-	MaxTextLength:        MaxTextLength,
-	LocationMessage:      event.CapLevelPartialSupport,
-	Poll:                 event.CapLevelFullySupported,
-	PollEnd:              event.CapLevelUnsupported,
-	PollHiddenVotes:      event.CapLevelUnsupported,
-	PollDuplicateOptions: event.CapLevelFullySupported,
-	PollMaxOptions:       10,
-	PollOptionMaxLength:  100,
-	Thread:               event.CapLevelUnsupported,
-	Reply:                event.CapLevelFullySupported,
-	Edit:                 event.CapLevelFullySupported,
-	EditMaxCount:         10,
-	EditMaxAge:           ptr.Ptr(jsontime.S(24 * time.Hour)),
-	Delete:               event.CapLevelFullySupported,
-	DeleteForMe:          false,
-	DeleteMaxAge:         ptr.Ptr(jsontime.S(24 * time.Hour)),
-	DisappearingTimer:    signalDisappearingCap,
 
 	Reaction:             event.CapLevelFullySupported,
 	ReactionCount:        1,
@@ -184,12 +155,6 @@ var signalCaps = &event.RoomFeatures{
 	CustomEmojiReactions: false,
 	ReadReceipts:         true,
 	TypingNotifications:  true,
-
-	DeleteChat: true,
-	MessageRequest: &event.MessageRequestFeatures{
-		AcceptWithMessage: event.CapLevelPartialSupport,
-		AcceptWithButton:  event.CapLevelFullySupported,
-	},
 }
 
 var signalDisappearingCap = &event.DisappearingTimerCapability{
@@ -197,26 +162,9 @@ var signalDisappearingCap = &event.DisappearingTimerCapability{
 }
 
 var signalCapsNoteToSelf *event.RoomFeatures
-var signalCapsDM *event.RoomFeatures
-var signalCapsPNIDM *event.RoomFeatures
 
 func init() {
-	signalCapsDM = ptr.Clone(signalCaps)
+	signalCapsNoteToSelf = ptr.Clone(signalCaps)
-	signalCapsDM.ID = capID() + "+dm"
-	signalCapsDM.MemberActions = nil
-	signalCapsDM.State = event.StateFeatureMap{
-		event.StateBeeperDisappearingTimer.Type: {Level: event.CapLevelFullySupported},
-	}
-
-	signalCapsPNIDM = ptr.Clone(signalCapsDM)
-	signalCapsPNIDM.ID += "+pni"
-
-	signalCapsDM.BlockUser = true
-	signalCapsDM.ReportSpam = true
-
-	signalCapsNoteToSelf = ptr.Clone(signalCapsDM)
-	signalCapsNoteToSelf.BlockUser = false
-	signalCapsNoteToSelf.ReportSpam = false
 	signalCapsNoteToSelf.EditMaxAge = nil
 	signalCapsNoteToSelf.DeleteMaxAge = nil
 	signalCapsNoteToSelf.ID = capID() + "+note_to_self"
@@ -225,12 +173,6 @@ func init() {
 func (s *SignalClient) GetCapabilities(ctx context.Context, portal *bridgev2.Portal) *event.RoomFeatures {
 	if portal.Receiver == s.UserLogin.ID && portal.ID == networkid.PortalID(s.UserLogin.ID) {
 		return signalCapsNoteToSelf
-	} else if portal.RoomType == database.RoomTypeDM {
-		userID, _, _ := signalid.ParsePortalID(portal.ID)
-		if userID.Type == libsignalgo.ServiceIDTypePNI {
-			return signalCapsPNIDM
-		}
-		return signalCapsDM
 	}
 	return signalCaps
 }
@@ -240,11 +182,10 @@ var signalGeneralCaps = &bridgev2.NetworkGeneralCapabilities{
 	AggressiveUpdateInfo: true,
 	ImplicitReadReceipts: true,
 	Provisioning: bridgev2.ProvisioningCapabilities{
-		ImagePackImport: true,
 		ResolveIdentifier: bridgev2.ResolveIdentifierCapabilities{
 			CreateDM:       true,
 			LookupPhone:    true,
-			LookupUsername: true,
+			LookupUsername: false, // TODO implement
 			ContactList:    true,
 		},
 		GroupCreation: map[string]bridgev2.GroupTypeCapabilities{
@@ -265,5 +206,5 @@ func (s *SignalConnector) GetCapabilities() *bridgev2.NetworkGeneralCapabilities
 }
 
 func (s *SignalConnector) GetBridgeInfoVersion() (info, capabilities int) {
-	return 1, 15
+	return 1, 5
 }

pkg/connector/chatinfo.go

@@ -45,16 +45,13 @@ var (
 	_ bridgev2.IdentifierResolvingNetworkAPI = (*SignalClient)(nil)
 	_ bridgev2.GroupCreatingNetworkAPI       = (*SignalClient)(nil)
 	_ bridgev2.ContactListingNetworkAPI      = (*SignalClient)(nil)
-	_ bridgev2.GhostDMCreatingNetworkAPI     = (*SignalClient)(nil)
 )
 
-var _ bridgev2.IdentifierValidatingNetwork = (*SignalConnector)(nil)
-
 const PrivateChatTopic = "Signal private chat"
 const NoteToSelfName = "Signal Note to Self"
 
 func (s *SignalClient) GetUserInfoWithRefreshAfter(ctx context.Context, ghost *bridgev2.Ghost, refreshAfter time.Duration) (*bridgev2.UserInfo, error) {
-	userID, err := signalid.ParseUserIDAsServiceID(ghost.ID)
+	userID, err := signalid.ParseUserID(ghost.ID)
 	if err != nil {
 		return nil, err
 	}
@@ -62,20 +59,15 @@ func (s *SignalClient) GetUserInfoWithRefreshAfter(ctx context.Context, ghost *b
 		// Don't do unnecessary fetches in background mode
 		return nil, nil
 	}
-	var contact *types.Recipient
+	contact, err := s.Client.ContactByACIWithRefreshAfter(ctx, userID, refreshAfter)
-	if userID.Type == libsignalgo.ServiceIDTypePNI {
-		contact, err = s.Client.Store.RecipientStore.LoadAndUpdateRecipient(ctx, uuid.Nil, userID.UUID, nil)
-	} else {
-		contact, err = s.Client.ContactByACIWithRefreshAfter(ctx, userID.UUID, refreshAfter)
-	}
 	if err != nil {
 		return nil, err
 	}
 	meta := ghost.Metadata.(*signalid.GhostMetadata)
-	if userID.Type != libsignalgo.ServiceIDTypePNI && (!s.Main.Config.UseOutdatedProfiles && meta.ProfileFetchedAt.After(contact.Profile.FetchedAt)) {
+	if !s.Main.Config.UseOutdatedProfiles && meta.ProfileFetchedAt.After(contact.Profile.FetchedAt) {
 		return nil, nil
 	}
-	return s.contactToUserInfo(ctx, contact, meta.Username, false)
+	return s.contactToUserInfo(ctx, contact)
 }
 
 func (s *SignalClient) GetUserInfo(ctx context.Context, ghost *bridgev2.Ghost) (*bridgev2.UserInfo, error) {
@@ -99,7 +91,7 @@ func (s *SignalClient) GetChatInfo(ctx context.Context, portal *bridgev2.Portal)
 	}
 }
 
-func (s *SignalClient) contactToUserInfo(ctx context.Context, contact *types.Recipient, username string, saveUsername bool) (*bridgev2.UserInfo, error) {
+func (s *SignalClient) contactToUserInfo(ctx context.Context, contact *types.Recipient) (*bridgev2.UserInfo, error) {
 	isBot := false
 	ui := &bridgev2.UserInfo{
 		IsBot:       &isBot,
@@ -110,25 +102,17 @@ func (s *SignalClient) contactToUserInfo(ctx context.Context, contact *types.Rec
 				changed = meta.ProfileFetchedAt.IsZero() && !contact.Profile.FetchedAt.IsZero()
 				meta.ProfileFetchedAt.Time = contact.Profile.FetchedAt
 			}
-			if saveUsername && username != "" && meta.Username != username {
+			return false
-				meta.Username = username
-				changed = true
-			}
-			return
 		},
 	}
 	if contact.E164 != "" {
 		ui.Identifiers = append(ui.Identifiers, "tel:"+contact.E164)
 	}
-	if username != "" {
+	name := s.Main.Config.FormatDisplayname(contact)
-		ui.Identifiers = append(ui.Identifiers, "signal:"+username)
-	}
-	name := s.Main.Config.FormatDisplayname(contact, username)
 	ui.Name = &name
-	contactAvatarID := networkid.AvatarID("hash:" + contact.ContactAvatar.Hash)
+	if s.Main.Config.UseContactAvatars && contact.ContactAvatar.Hash != "" {
-	if s.Main.Config.UseContactAvatars && contact.ContactAvatar.Hash != "" && s.canUseContactAvatar(ctx, contact, contactAvatarID) {
 		ui.Avatar = &bridgev2.Avatar{
-			ID: contactAvatarID,
+			ID: networkid.AvatarID("hash:" + contact.ContactAvatar.Hash),
 			Get: func(ctx context.Context) ([]byte, error) {
 				if contact.ContactAvatar.Image == nil {
 					return nil, fmt.Errorf("contact avatar not available")
@@ -173,137 +157,49 @@ func (s *SignalClient) contactToUserInfo(ctx context.Context, contact *types.Rec
 	return ui, nil
 }
 
-func (s *SignalClient) canUseContactAvatar(ctx context.Context, contact *types.Recipient, avatarID networkid.AvatarID) bool {
+var _ bridgev2.IdentifierValidatingNetwork = (*SignalConnector)(nil)
-	if contact.ContactAvatar.Image != nil {
-		return true
-	} else if contact.ACI == uuid.Nil {
-		return false
-	}
-	ghost, err := s.Main.Bridge.GetExistingGhostByID(ctx, signalid.MakeUserID(contact.ACI))
-	if err != nil {
-		zerolog.Ctx(ctx).Err(err).Msg("Failed to get ghost to check contact avatar")
-		return true
-	}
-	return ghost != nil && ghost.AvatarID == avatarID && ghost.AvatarMXC != "" && ghost.AvatarSet
-}
 
 func (s *SignalConnector) ValidateUserID(id networkid.UserID) bool {
 	_, err := signalid.ParseUserIDAsServiceID(id)
 	return err == nil
 }
 
-func (s *SignalClient) CreateChatWithGhost(ctx context.Context, ghost *bridgev2.Ghost) (*bridgev2.CreateChatResponse, error) {
+func (s *SignalClient) ResolveIdentifier(ctx context.Context, number string, createChat bool) (*bridgev2.ResolveIdentifierResponse, error) {
-	parsedID, err := signalid.ParseUserIDAsServiceID(ghost.ID)
-	if err != nil {
-		return nil, err
-	}
-	resp, err := s.ResolveIdentifier(ctx, parsedID.String(), true)
-	if err != nil {
-		return nil, err
-	} else if resp == nil {
-		return nil, nil
-	}
-	resultID, err := signalid.ParseUserIDAsServiceID(resp.UserID)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse result user ID: %w", err)
-	}
-	if parsedID.Type == libsignalgo.ServiceIDTypePNI {
-		if resultID.Type == libsignalgo.ServiceIDTypeACI && !resultID.IsEmpty() {
-			resp.Chat.DMRedirectedTo = resp.UserID
-		} else {
-			resp.Chat.DMRedirectedTo = bridgev2.SpecialValueDMRedirectedToBot
-		}
-	}
-	return resp.Chat, nil
-}
-
-func (s *SignalClient) resolvePhone(ctx context.Context, number string) (aci, pni uuid.UUID, e164Number uint64, recipient *types.Recipient, err error) {
-	number, err = bridgev2.CleanPhoneNumber(number)
-	if err != nil {
-		err = bridgev2.WrapRespErr(err, mautrix.MInvalidParam)
-		return
-	}
-	e164Number, err = strconv.ParseUint(strings.TrimPrefix(number, "+"), 10, 64)
-	if err != nil {
-		err = bridgev2.WrapRespErr(fmt.Errorf("error parsing phone number: %w", err), mautrix.MInvalidParam)
-		return
-	}
-	e164String := fmt.Sprintf("+%d", e164Number)
-	if recipient, err = s.Client.ContactByE164(ctx, e164String); err != nil {
-		err = fmt.Errorf("error looking up number in local contact list: %w", err)
-	} else if recipient != nil && (recipient.ACI == uuid.Nil || !s.Client.Store.RecipientStore.IsUnregistered(ctx, libsignalgo.NewACIServiceID(recipient.ACI))) {
-		aci = recipient.ACI
-		pni = recipient.PNI
-	} else if resp, lookupErr := s.Client.LookupPhone(ctx, e164Number); lookupErr != nil {
-		err = wrapRespError(fmt.Errorf("error looking up number on server: %w", lookupErr))
-	} else {
-		aci = resp[e164Number].ACI
-		pni = resp[e164Number].PNI
-		if aci == uuid.Nil && pni == uuid.Nil {
-			recipient = nil
-			return
-		}
-		recipient, err = s.Client.Store.RecipientStore.UpdateRecipientE164(ctx, aci, pni, e164String)
-		if err != nil {
-			zerolog.Ctx(ctx).Err(err).Msg("Failed to save recipient entry after looking up phone")
-		}
-		aci, pni = recipient.ACI, recipient.PNI
-		if aci != uuid.Nil {
-			s.Client.Store.RecipientStore.MarkUnregistered(ctx, libsignalgo.NewACIServiceID(aci), false)
-		}
-	}
-	return
-}
-
-func (s *SignalClient) resolveUsername(ctx context.Context, username string) (aci, pni uuid.UUID, err error) {
-	serviceID, err := s.Client.ResolveUsername(ctx, username)
-	if err != nil {
-		err = wrapRespError(fmt.Errorf("error looking up username on server: %w", err))
-		return
-	}
-	aci, pni = serviceID.ToACIAndPNI()
-	return
-}
-
-const signalUserLinkPrefix = "https://signal.me/#eu/"
-
-func (s *SignalClient) resolveLink(ctx context.Context, linkHandle string) (aci, pni uuid.UUID, username string, err error) {
-	username, err = s.Client.ResolveUsernameLink(ctx, linkHandle)
-	if err != nil {
-		err = bridgev2.WrapRespErr(err, mautrix.MInvalidParam)
-		return
-	} else if username == "" {
-		return
-	}
-	aci, pni, err = s.resolveUsername(ctx, username)
-	return
-}
-
-func (s *SignalClient) ResolveIdentifier(ctx context.Context, number string, _ bool) (*bridgev2.ResolveIdentifierResponse, error) {
 	var aci, pni uuid.UUID
 	var e164Number uint64
 	var recipient *types.Recipient
-	var username string
+	serviceID, err := libsignalgo.ServiceIDFromString(number)
-	serviceID, err := signalid.ParseUserIDAsServiceID(networkid.UserID(number))
-	if err == nil {
-		aci, pni = serviceID.ToACIAndPNI()
-	} else if strings.HasPrefix(number, "+") {
-		aci, pni, e164Number, recipient, err = s.resolvePhone(ctx, number)
-	} else if signalmeow.SignalUsernameRegex.MatchString(number) {
-		username = strings.TrimPrefix(number, "@")
-		aci, pni, err = s.resolveUsername(ctx, number)
-	} else if handle, ok := strings.CutPrefix(number, signalUserLinkPrefix); ok {
-		aci, pni, username, err = s.resolveLink(ctx, handle)
-	} else {
-		err = bridgev2.RespError(mautrix.MInvalidParam.WithMessage("Input must be an international phone number, username, link or user ID"))
-	}
 	if err != nil {
-		return nil, err
+		number, err = bridgev2.CleanPhoneNumber(number)
-	}
+		if err != nil {
-	if recipient == nil {
+			return nil, bridgev2.WrapRespErr(err, mautrix.MInvalidParam)
-		if aci == uuid.Nil && pni == uuid.Nil {
-			return nil, nil
 		}
+		e164Number, err = strconv.ParseUint(strings.TrimPrefix(number, "+"), 10, 64)
+		if err != nil {
+			return nil, bridgev2.WrapRespErr(fmt.Errorf("error parsing phone number: %w", err), mautrix.MInvalidParam)
+		}
+		e164String := fmt.Sprintf("+%d", e164Number)
+		if recipient, err = s.Client.ContactByE164(ctx, e164String); err != nil {
+			return nil, fmt.Errorf("error looking up number in local contact list: %w", err)
+		} else if recipient != nil {
+			aci = recipient.ACI
+			pni = recipient.PNI
+		} else if resp, err := s.Client.LookupPhone(ctx, e164Number); err != nil {
+			return nil, fmt.Errorf("error looking up number on server: %w", err)
+		} else {
+			aci = resp[e164Number].ACI
+			pni = resp[e164Number].PNI
+			if aci == uuid.Nil && pni == uuid.Nil {
+				return nil, nil
+			}
+			recipient, err = s.Client.Store.RecipientStore.UpdateRecipientE164(ctx, aci, pni, e164String)
+			if err != nil {
+				zerolog.Ctx(ctx).Err(err).Msg("Failed to save recipient entry after looking up phone")
+			}
+			aci, pni = recipient.ACI, recipient.PNI
+		}
+	} else {
+		aci, pni = serviceID.ToACIAndPNI()
 		recipient, err = s.Client.Store.RecipientStore.LoadAndUpdateRecipient(ctx, aci, pni, nil)
 		if err != nil {
 			return nil, fmt.Errorf("error loading recipient: %w", err)
@@ -315,34 +211,36 @@ func (s *SignalClient) ResolveIdentifier(ctx context.Context, number string, _ b
 		Stringer("pni", pni).
 		Msg("Found resolve identifier target user")
 
-	userInfo, err := s.contactToUserInfo(ctx, recipient, username, true)
+	userInfo, err := s.contactToUserInfo(ctx, recipient)
 	if err != nil {
 		return nil, fmt.Errorf("failed to convert contact: %w", err)
 	}
 
-	var userID networkid.UserID
-	if aci != uuid.Nil {
-		userID = signalid.MakeUserID(aci)
-	} else {
-		userID = signalid.MakeUserIDFromServiceID(libsignalgo.NewPNIServiceID(pni))
-	}
 	// createChat is a no-op: chats don't need to be created, and we always return chat info
-	resp := &bridgev2.ResolveIdentifierResponse{
+	if aci != uuid.Nil {
-		UserID:   userID,
+		ghost, err := s.Main.Bridge.GetGhostByID(ctx, signalid.MakeUserID(aci))
-		UserInfo: userInfo,
+		if err != nil {
-		Chat:     s.makeCreateDMResponse(ctx, recipient, nil),
+			return nil, fmt.Errorf("failed to get ghost: %w", err)
+		}
+		return &bridgev2.ResolveIdentifierResponse{
+			UserID:   signalid.MakeUserID(aci),
+			UserInfo: userInfo,
+			Ghost:    ghost,
+			Chat:     s.makeCreateDMResponse(ctx, recipient, nil),
+		}, nil
+	} else {
+		return &bridgev2.ResolveIdentifierResponse{
+			UserID:   signalid.MakeUserIDFromServiceID(libsignalgo.NewPNIServiceID(pni)),
+			UserInfo: userInfo,
+			Chat:     s.makeCreateDMResponse(ctx, recipient, nil),
+		}, nil
 	}
-	resp.Ghost, err = s.Main.Bridge.GetGhostByID(ctx, resp.UserID)
-	if err != nil {
-		return nil, fmt.Errorf("failed to get ghost: %w", err)
-	}
-	return resp, nil
 }
 
 func (s *SignalClient) CreateGroup(ctx context.Context, params *bridgev2.GroupCreateParams) (*bridgev2.CreateChatResponse, error) {
 	group := &signalmeow.Group{
 		Title:                        ptr.Val(params.Name).Name,
-		Members:                      make([]*signalmeow.GroupMember, 1, len(params.Participants)+1),
+		Members:                      make([]*signalmeow.GroupMember, len(params.Participants)+1),
 		Description:                  ptr.Val(params.Topic).Topic,
 		AnnouncementsOnly:            false,
 		DisappearingMessagesDuration: uint32(ptr.Val(params.Disappear).Timer.Seconds()),
@@ -369,25 +267,14 @@ func (s *SignalClient) CreateGroup(ctx context.Context, params *bridgev2.GroupCr
 		ACI:  s.Client.Store.ACI,
 		Role: signalmeow.GroupMember_ADMINISTRATOR,
 	}
-	currentTS := uint64(time.Now().UnixMilli())
+	for i, member := range params.Participants {
-	for _, member := range params.Participants {
+		userID, err := signalid.ParseUserID(member)
-		userID, err := signalid.ParseUserIDAsServiceID(member)
 		if err != nil {
 			return nil, fmt.Errorf("invalid user ID %q: %w", member, err)
 		}
-		if userID.Type == libsignalgo.ServiceIDTypeACI {
+		group.Members[i+1] = &signalmeow.GroupMember{
-			group.Members = append(group.Members, &signalmeow.GroupMember{
+			ACI:  userID,
-				ACI:  userID.UUID,
+			Role: signalmeow.GroupMember_DEFAULT, // TODO set proper role from power levels
-				Role: signalmeow.GroupMember_DEFAULT, // TODO set proper role from power levels
-			})
-		} else if userID.Type == libsignalgo.ServiceIDTypePNI {
-			// TODO check if this is correct
-			group.PendingMembers = append(group.PendingMembers, &signalmeow.PendingMember{
-				ServiceID:     userID,
-				Role:          signalmeow.GroupMember_DEFAULT,
-				AddedByUserID: s.Client.Store.ACI,
-				Timestamp:     currentTS,
-			})
 		}
 	}
 	_, err := signalmeow.PrepareGroupCreation(group)
@@ -396,15 +283,15 @@ func (s *SignalClient) CreateGroup(ctx context.Context, params *bridgev2.GroupCr
 	}
 	var avatarBytes []byte
 	var avatarMXC id.ContentURIString
-	if params.Avatar != nil && params.Avatar.URL != "" {
+	if params.Avatar != nil {
 		avatarMXC = params.Avatar.URL
-		avatarBytes, err = s.Main.Bridge.Bot.DownloadMedia(ctx, params.Avatar.URL, nil)
+		avatarBytes, err = s.Main.Bridge.Bot.DownloadMedia(ctx, params.Avatar.URL, params.Avatar.MSC3414File)
 		if err != nil {
 			return nil, fmt.Errorf("failed to download avatar: %w", err)
 		}
-		group.AvatarPath, err = s.Client.UploadGroupAvatar(ctx, avatarBytes, group.GroupIdentifier, group.GroupMasterKey)
+		group.AvatarPath, err = s.Client.UploadGroupAvatar(ctx, avatarBytes, group.GroupIdentifier)
 		if err != nil {
-			return nil, wrapRespError(fmt.Errorf("failed to upload avatar: %w", err))
+			return nil, fmt.Errorf("failed to upload avatar: %w", err)
 		}
 	}
 	portal, err := s.Main.Bridge.GetPortalByKey(ctx, s.makePortalKey(string(group.GroupIdentifier)))
@@ -432,9 +319,9 @@ func (s *SignalClient) CreateGroup(ctx context.Context, params *bridgev2.GroupCr
 			return nil, fmt.Errorf("failed to set portal room ID: %w", err)
 		}
 	}
-	resp, err := s.Client.CreateGroup(ctx, group)
+	resp, err := s.Client.CreateGroup(ctx, group, avatarBytes)
 	if err != nil {
-		return nil, wrapRespError(fmt.Errorf("failed to create group: %w", err))
+		return nil, fmt.Errorf("failed to create group: %w", err)
 	}
 	if params.RoomID != "" {
 		// UpdateMatrixRoomID could do this for us if we passed ChatInfoSource to it,
@@ -460,32 +347,23 @@ func (s *SignalClient) GetContactList(ctx context.Context) ([]*bridgev2.ResolveI
 	}
 	resp := make([]*bridgev2.ResolveIdentifierResponse, len(recipients))
 	for i, recipient := range recipients {
-		if err = ctx.Err(); err != nil {
+		userInfo, err := s.contactToUserInfo(ctx, recipient)
-			return nil, err
+		if err != nil {
+			return nil, fmt.Errorf("failed to convert contact: %w", err)
+		}
+		recipientResp := &bridgev2.ResolveIdentifierResponse{
+			UserInfo: userInfo,
+			Chat:     s.makeCreateDMResponse(ctx, recipient, nil),
 		}
-		recipientResp := &bridgev2.ResolveIdentifierResponse{}
-		var username string
 		if recipient.ACI != uuid.Nil {
-			recipientResp.Chat = &bridgev2.CreateChatResponse{
-				PortalKey: s.makeDMPortalKey(libsignalgo.NewACIServiceID(recipient.ACI)),
-			}
 			recipientResp.UserID = signalid.MakeUserID(recipient.ACI)
 			ghost, err := s.Main.Bridge.GetGhostByID(ctx, recipientResp.UserID)
 			if err != nil {
 				return nil, fmt.Errorf("failed to get ghost for %s: %w", recipient.ACI, err)
 			}
 			recipientResp.Ghost = ghost
-			username = ghost.Metadata.(*signalid.GhostMetadata).Username
 		} else {
-			pniServiceID := libsignalgo.NewPNIServiceID(recipient.PNI)
+			recipientResp.UserID = signalid.MakeUserIDFromServiceID(libsignalgo.NewPNIServiceID(recipient.PNI))
-			recipientResp.Chat = &bridgev2.CreateChatResponse{
-				PortalKey: s.makeDMPortalKey(pniServiceID),
-			}
-			recipientResp.UserID = signalid.MakeUserIDFromServiceID(pniServiceID)
-		}
-		recipientResp.UserInfo, err = s.contactToUserInfo(ctx, recipient, username, false)
-		if err != nil {
-			return nil, fmt.Errorf("failed to convert contact: %w", err)
 		}
 		resp[i] = recipientResp
 	}
@@ -493,7 +371,7 @@ func (s *SignalClient) GetContactList(ctx context.Context) ([]*bridgev2.ResolveI
 }
 
 func (s *SignalClient) makeCreateDMResponse(ctx context.Context, recipient *types.Recipient, backupChat *store.BackupChat) *bridgev2.CreateChatResponse {
-	namePtr := bridgev2.DefaultChatName
+	name := ""
 	topic := PrivateChatTopic
 	selfUser := s.makeEventSender(s.Client.Store.ACI)
 	members := &bridgev2.ChatMemberList{
@@ -520,7 +398,7 @@ func (s *SignalClient) makeCreateDMResponse(ctx context.Context, recipient *type
 	var serviceID libsignalgo.ServiceID
 	var avatar *bridgev2.Avatar
 	if recipient.ACI == uuid.Nil {
-		namePtr = ptr.Ptr(s.Main.Config.FormatDisplayname(recipient, ""))
+		name = s.Main.Config.FormatDisplayname(recipient)
 		serviceID = libsignalgo.NewPNIServiceID(recipient.PNI)
 	} else {
 		if backupChat == nil {
@@ -532,7 +410,7 @@ func (s *SignalClient) makeCreateDMResponse(ctx context.Context, recipient *type
 		}
 		members.OtherUserID = signalid.MakeUserID(recipient.ACI)
 		if recipient.ACI == s.Client.Store.ACI {
-			namePtr = ptr.Ptr(NoteToSelfName)
+			name = NoteToSelfName
 			avatar = &bridgev2.Avatar{
 				ID:     networkid.AvatarID(s.Main.Config.NoteToSelfAvatar),
 				Remove: len(s.Main.Config.NoteToSelfAvatar) == 0,
@@ -553,16 +431,15 @@ func (s *SignalClient) makeCreateDMResponse(ctx context.Context, recipient *type
 	return &bridgev2.CreateChatResponse{
 		PortalKey: s.makeDMPortalKey(serviceID),
 		PortalInfo: &bridgev2.ChatInfo{
-			Name:    namePtr,
+			Name:    &name,
 			Avatar:  avatar,
 			Topic:   &topic,
 			Members: members,
 			Type:    ptr.Ptr(database.RoomTypeDM),
 
-			UserBlocked:    ptr.Ptr(recipient.Blocked),
+			CanBackfill: backupChat != nil,
-			MessageRequest: ptr.Ptr(recipient.ACI != uuid.Nil && recipient.ProbablyMessageRequest()),
+
-			CanBackfill:    backupChat != nil,
+			ExtraUpdates: updatePortalSyncMeta,
-			ExtraUpdates:   updatePortalSyncMeta,
 		},
 	}
 }

pkg/connector/chatsync.go

@@ -19,7 +19,6 @@ package connector
 import (
 	"context"
 	"encoding/base64"
-	"errors"
 	"time"
 
 	"github.com/google/uuid"
@@ -29,36 +28,18 @@ import (
 
 	"go.mau.fi/mautrix-signal/pkg/libsignalgo"
 	"go.mau.fi/mautrix-signal/pkg/signalid"
-	"go.mau.fi/mautrix-signal/pkg/signalmeow"
 	"go.mau.fi/mautrix-signal/pkg/signalmeow/protobuf/backuppb"
 	"go.mau.fi/mautrix-signal/pkg/signalmeow/types"
 )
 
-func (s *SignalClient) stopChatSync() {
+func (s *SignalClient) syncChats(ctx context.Context) {
-	if cancel := s.cancelChatSync.Swap(nil); cancel != nil {
-		(*cancel)()
-	}
-}
-
-func (s *SignalClient) syncChats(ctx context.Context, cancel context.CancelFunc) {
-	defer cancel()
-
 	if s.UserLogin.Metadata.(*signalid.UserLoginMetadata).ChatsSynced {
 		return
 	}
-
 	if s.Client.Store.EphemeralBackupKey != nil {
 		zerolog.Ctx(ctx).Info().Msg("Fetching transfer archive before syncing chats")
 		meta, err := s.Client.WaitForTransfer(ctx)
-		if errors.Is(err, signalmeow.ErrTransferTimedOut) {
+		if err != nil {
-			zerolog.Ctx(ctx).Warn().Msg("Transfer archive wasn't uploaded in time, giving up")
-			s.UserLogin.Metadata.(*signalid.UserLoginMetadata).ChatsSynced = true
-			err = s.UserLogin.Save(ctx)
-			if err != nil {
-				zerolog.Ctx(ctx).Err(err).Msg("Failed to save user login metadata after transfer archive timed out")
-			}
-			return
-		} else if err != nil {
 			zerolog.Ctx(ctx).Err(err).Msg("Failed to request transfer archive")
 			return
 		} else if meta.Error != "" {
@@ -84,22 +65,10 @@ func (s *SignalClient) syncChats(ctx context.Context, cancel context.CancelFunc)
 	}
 	zerolog.Ctx(ctx).Info().Int("chat_count", len(chats)).Msg("Fetched chats to sync from database")
 	for _, chat := range chats {
-		if ctx.Err() != nil {
-			zerolog.Ctx(ctx).Debug().
-				AnErr("ctx_err", ctx.Err()).
-				Msg("Context cancelled while syncing chats, stopping")
-			return
-		}
 		recipient, err := s.Client.Store.BackupStore.GetBackupRecipient(ctx, chat.RecipientId)
 		if err != nil {
 			zerolog.Ctx(ctx).Err(err).Msg("Failed to get recipient for chat")
 			continue
-		} else if recipient == nil {
-			zerolog.Ctx(ctx).Warn().
-				Uint64("backup_chat_id", chat.Id).
-				Uint64("backup_recipient_id", chat.RecipientId).
-				Msg("No recipient found for chat")
-			continue
 		}
 		resyncEvt := &simplevent.ChatResync{
 			EventMeta: simplevent.EventMeta{
@@ -161,10 +130,7 @@ func (s *SignalClient) syncChats(ctx context.Context, cancel context.CancelFunc)
 			groupID := types.GroupIdentifier(base64.StdEncoding.EncodeToString(rawGroupID[:]))
 			groupInfo, err := s.getGroupInfo(ctx, groupID, dest.Group.GetSnapshot().GetVersion(), chat)
 			if err != nil {
-				zerolog.Ctx(ctx).Err(err).
+				zerolog.Ctx(ctx).Err(err).Msg("Failed to get full group info")
-					Uint64("recipient_id", recipient.Id).
-					Stringer("group_id", groupID).
-					Msg("Failed to get full group info")
 				continue
 			}
 			resyncEvt.PortalKey = s.makePortalKey(string(groupID))