Random IDs for service messages

Mute/unmute whole chats with no arguments
Support nativeedits for rawmessages=false
2024-05-10 19:22:53 -04:00 · 2024-05-05 13:16:38 -04:00 · 2024-04-27 00:31:21 -04:00 · 2024-04-11 22:24:22 -04:00 · 2024-04-11 20:59:49 -04:00 · 2024-04-11 20:37:51 -04:00
23 changed files with 1385 additions and 1482 deletions
--- a/.gitignore
+++ b/.gitignore
@ -4,3 +4,4 @@ sessions/
 session.dat
 session.dat.new
 release/
+tdlib/
--- a/2
+++ b/2
@ -29,7 +29,7 @@ WORKDIR /src
 RUN make ${MAKEOPTS}

 FROM scratch AS telegabber
-COPY --from=build /src/telegabber /usr/local/bin/
+COPY --from=build /src/release/telegabber /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/telegabber"]

 FROM scratch AS binaries
--- a/13
+++ b/13
@ -1,12 +1,13 @@
 .PHONY: all test

 COMMIT := $(shell git rev-parse --short HEAD)
-TD_COMMIT := "8517026415e75a8eec567774072cbbbbb52376c1"
-VERSION := "v2.0.0-dev"
+TD_COMMIT := "5bbfc1cf5dab94f82e02f3430ded7241d4653551"
+VERSION := "v1.9.5"
 MAKEOPTS := "-j4"

 all:
-	go build -ldflags "-X main.commit=${COMMIT}" -o telegabber
+	mkdir -p release
+	go build -ldflags "-X main.commit=${COMMIT}" -o release/telegabber

 test:
 	go test -v ./config ./ ./telegram ./xmpp ./xmpp/gateway ./persistence ./telegram/formatter ./badger
@ -16,3 +17,9 @@ lint:

 build_indocker:
 	docker build --build-arg "TD_COMMIT=${TD_COMMIT}" --build-arg "VERSION=${VERSION}" --build-arg "MAKEOPTS=${MAKEOPTS}" --output=release --target binaries .
+
+build_indocker_staging:
+	DOCKER_BUILDKIT=1 docker build --build-arg "TD_COMMIT=${TD_COMMIT}" --build-arg "MAKEOPTS=${MAKEOPTS}" --network host --output=release --target binaries -f staging.Dockerfile .
+
+build_tdlib:
+	DOCKER_BUILDKIT=1 docker build --build-arg "TD_COMMIT=${TD_COMMIT}" --build-arg "MAKEOPTS=${MAKEOPTS}" --output=tdlib --target binaries -f tdlib.Dockerfile .
--- a/go.mod
+++ b/go.mod
@ -33,5 +33,5 @@ require (
 	nhooyr.io/websocket v1.6.5 // indirect
 )

-replace gosrc.io/xmpp => dev.narayana.im/narayana/go-xmpp v0.0.0-20220708184440-35d9cd68e55f
-replace github.com/zelenin/go-tdlib => dev.narayana.im/narayana/go-tdlib v0.0.0-20230730021136-47da33180615
+replace gosrc.io/xmpp => dev.narayana.im/narayana/go-xmpp v0.0.0-20220524203317-306b4ff58e8f
+replace github.com/zelenin/go-tdlib => dev.narayana.im/narayana/go-tdlib v0.0.0-20240124222245-b4c12addb061
--- a/go.sum
+++ b/go.sum
@ -1,12 +1,12 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 dev.narayana.im/narayana/go-tdlib v0.0.0-20230730021136-47da33180615 h1:RRUZJSro+k8FkazNx7QEYLVoO4wZtchvsd0Y2RBWjeU=
 dev.narayana.im/narayana/go-tdlib v0.0.0-20230730021136-47da33180615/go.mod h1:Xs8fXbk5n7VaPyrSs9DP7QYoBScWYsjX+lUcWmx1DIU=
+dev.narayana.im/narayana/go-tdlib v0.0.0-20231111182840-bc2f985e6268 h1:NCbc2bYuUGQsb/3z5SCIia3N34Ktwq3FwaUAfgF/WEU=
+dev.narayana.im/narayana/go-tdlib v0.0.0-20231111182840-bc2f985e6268/go.mod h1:Xs8fXbk5n7VaPyrSs9DP7QYoBScWYsjX+lUcWmx1DIU=
+dev.narayana.im/narayana/go-tdlib v0.0.0-20240124222245-b4c12addb061 h1:CWAQT74LwQne/3Po5KXDvudu3N0FBWm3XZZZhtl5j2w=
+dev.narayana.im/narayana/go-tdlib v0.0.0-20240124222245-b4c12addb061/go.mod h1:Xs8fXbk5n7VaPyrSs9DP7QYoBScWYsjX+lUcWmx1DIU=
 dev.narayana.im/narayana/go-xmpp v0.0.0-20220524203317-306b4ff58e8f h1:6249ajbMjgYz53Oq0IjTvjHXbxTfu29Mj1J/6swRHs4=
 dev.narayana.im/narayana/go-xmpp v0.0.0-20220524203317-306b4ff58e8f/go.mod h1:L3NFMqYOxyLz3JGmgFyWf7r9htE91zVGiK40oW4RwdY=
-dev.narayana.im/narayana/go-xmpp v0.0.0-20220708184440-35d9cd68e55f h1:aT50UsPH1dLje9CCAquRRhr7I9ZvL3kQU6WIWTe8PZ0=
-dev.narayana.im/narayana/go-xmpp v0.0.0-20220708184440-35d9cd68e55f/go.mod h1:L3NFMqYOxyLz3JGmgFyWf7r9htE91zVGiK40oW4RwdY=
-github.com/Arman92/go-tdlib v0.0.0-20191002071913-526f4e1d15f7 h1:GbV1Lv3lVHsSeKAqPTBem72OCsGjXntW4jfJdXciE+w=
-github.com/Arman92/go-tdlib v0.0.0-20191002071913-526f4e1d15f7/go.mod h1:ZzkRfuaFj8etIYMj/ECtXtgfz72RE6U+dos27b3XIwk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/agnivade/wasmbrowsertest v0.3.1/go.mod h1:zQt6ZTdl338xxRaMW395qccVE2eQm0SjC/SDz0mPWQI=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
--- a/persistence/sessions.go
+++ b/persistence/sessions.go
@ -3,6 +3,7 @@ package persistence
 import (
 	"github.com/pkg/errors"
 	"io/ioutil"
+	"sync"
 	"time"

 	"dev.narayana.im/narayana/telegabber/yamldb"
@ -34,15 +35,18 @@ type SessionsMap struct {

 // Session is a key-values subtree
 type Session struct {
-	Login       string `yaml:":login"`
-	Timezone    string `yaml:":timezone"`
-	KeepOnline  bool   `yaml:":keeponline"`
-	RawMessages bool   `yaml:":rawmessages"`
-	AsciiArrows bool   `yaml:":asciiarrows"`
-	MUC         bool   `yaml:":muc"`
-	OOBMode     bool   `yaml:":oobmode"`
-	Carbons     bool   `yaml:":carbons"`
-	HideIds     bool   `yaml:":hideids"`
+	Login           string         `yaml:":login"`
+	Timezone        string         `yaml:":timezone"`
+	KeepOnline      bool           `yaml:":keeponline"`
+	RawMessages     bool           `yaml:":rawmessages"`
+	AsciiArrows     bool           `yaml:":asciiarrows"`
+	OOBMode         bool           `yaml:":oobmode"`
+	Carbons         bool           `yaml:":carbons"`
+	HideIds         bool           `yaml:":hideids"`
+	Receipts        bool           `yaml:":receipts"`
+	NativeEdits     bool           `yaml:":nativeedits"`
+	IgnoredChats    []int64        `yaml:":ignoredchats"`
+	ignoredChatsMap map[int64]bool `yaml:"-"`
 }

 var configKeys = []string{
@ -50,21 +54,29 @@ var configKeys = []string{
 	"keeponline",
 	"rawmessages",
 	"asciiarrows",
-	"muc",
 	"oobmode",
 	"carbons",
 	"hideids",
+	"receipts",
+	"nativeedits",
 }

 var sessionDB *SessionsYamlDB
+var sessionsLock sync.Mutex

 // SessionMarshaller implementation for YamlDB
 func SessionMarshaller() ([]byte, error) {
 	cleanedMap := SessionsMap{}
 	emptySessionsMap(&cleanedMap)

+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
 	for jid, session := range sessionDB.Data.Sessions {
 		if session.Login != "" {
+			session.IgnoredChats = make([]int64, 0, len(session.ignoredChatsMap))
+			for chatID := range session.ignoredChatsMap {
+				session.IgnoredChats = append(session.IgnoredChats, chatID)
+			}
 			cleanedMap.Sessions[jid] = session
 		}
 	}
@ -106,6 +118,16 @@ func initYamlDB(path string, dataPtr *SessionsMap) (*SessionsYamlDB, error) {
 		emptySessionsMap(dataPtr)
 	}

+	// convert ignored users slice to map
+	for jid, session := range dataPtr.Sessions {
+		session.ignoredChatsMap = make(map[int64]bool)
+		for _, chatID := range session.IgnoredChats {
+			session.ignoredChatsMap[chatID] = true
+		}
+		session.IgnoredChats = nil
+		dataPtr.Sessions[jid] = session
+	}
+
 	return &SessionsYamlDB{
 		YamlDB: yamldb.YamlDB{
 			Path:    path,
@ -117,6 +139,13 @@ func initYamlDB(path string, dataPtr *SessionsMap) (*SessionsYamlDB, error) {

 // Get retrieves a session value
 func (s *Session) Get(key string) (string, error) {
+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
+
+	return s.get(key)
+}
+
+func (s *Session) get(key string) (string, error) {
 	switch key {
 	case "timezone":
 		return s.Timezone, nil
@ -126,14 +155,16 @@ func (s *Session) Get(key string) (string, error) {
 		return fromBool(s.RawMessages), nil
 	case "asciiarrows":
 		return fromBool(s.AsciiArrows), nil
-	case "muc":
-		return fromBool(s.MUC), nil
 	case "oobmode":
 		return fromBool(s.OOBMode), nil
 	case "carbons":
 		return fromBool(s.Carbons), nil
 	case "hideids":
 		return fromBool(s.HideIds), nil
+	case "receipts":
+		return fromBool(s.Receipts), nil
+	case "nativeedits":
+		return fromBool(s.NativeEdits), nil
 	}

 	return "", errors.New("Unknown session property")
@ -141,9 +172,12 @@ func (s *Session) Get(key string) (string, error) {

 // ToMap converts the session to a map
 func (s *Session) ToMap() map[string]string {
+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
+
 	m := make(map[string]string)
 	for _, configKey := range configKeys {
-		value, _ := s.Get(configKey)
+		value, _ := s.get(configKey)
 		m[configKey] = value
 	}

@ -152,6 +186,9 @@ func (s *Session) ToMap() map[string]string {

 // Set sets a session value
 func (s *Session) Set(key string, value string) (string, error) {
+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
+
 	switch key {
 	case "timezone":
 		s.Timezone = value
@ -177,13 +214,6 @@ func (s *Session) Set(key string, value string) (string, error) {
 		}
 		s.AsciiArrows = b
 		return value, nil
-	case "muc":
-		b, err := toBool(value)
-		if err != nil {
-			return "", err
-		}
-		s.MUC = b
-		return value, nil
 	case "oobmode":
 		b, err := toBool(value)
 		if err != nil {
@ -205,6 +235,20 @@ func (s *Session) Set(key string, value string) (string, error) {
 		}
 		s.HideIds = b
 		return value, nil
+	case "receipts":
+		b, err := toBool(value)
+		if err != nil {
+			return "", err
+		}
+		s.Receipts = b
+		return value, nil
+	case "nativeedits":
+		b, err := toBool(value)
+		if err != nil {
+			return "", err
+		}
+		s.NativeEdits = b
+		return value, nil
 	}

 	return "", errors.New("Unknown session property")
@ -221,6 +265,51 @@ func (s *Session) TimezoneToLocation() *time.Location {
 	return zeroLocation
 }

+// IgnoreChat adds a chat id to ignore list, returns false if already ignored
+func (s *Session) IgnoreChat(chatID int64) bool {
+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
+
+	if s.ignoredChatsMap == nil {
+		s.ignoredChatsMap = make(map[int64]bool)
+	} else if _, ok := s.ignoredChatsMap[chatID]; ok {
+		return false
+	}
+
+	s.ignoredChatsMap[chatID] = true
+	return true
+}
+
+// UnignoreChat removes a chat id from ignore list, returns false if not already ignored
+func (s *Session) UnignoreChat(chatID int64) bool {
+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
+
+	if s.ignoredChatsMap == nil {
+		return false
+	}
+
+	if _, ok := s.ignoredChatsMap[chatID]; !ok {
+		return false
+	}
+
+	delete(s.ignoredChatsMap, chatID)
+	return true
+}
+
+// IsChatIgnored checks the chat id against the ignore list
+func (s *Session) IsChatIgnored(chatID int64) bool {
+	sessionsLock.Lock()
+	defer sessionsLock.Unlock()
+
+	if s.ignoredChatsMap == nil {
+		return false
+	}
+
+	_, ok := s.ignoredChatsMap[chatID]
+	return ok
+}
+
 func fromBool(b bool) string {
 	if b {
 		return "true"
--- a/persistence/sessions_test.go
+++ b/persistence/sessions_test.go
@ -47,19 +47,20 @@ func TestSessionToMap(t *testing.T) {
 	session := Session{
 		Timezone:    "klsf",
 		RawMessages: true,
-		MUC:         true,
 		OOBMode:     true,
+		Receipts:    true,
 	}
 	m := session.ToMap()
 	sample := map[string]string{
 		"timezone":    "klsf",
 		"keeponline":  "false",
-		"muc":         "true",
 		"rawmessages": "true",
 		"asciiarrows": "false",
 		"oobmode":     "true",
 		"carbons":     "false",
 		"hideids":     "false",
+		"receipts":    "true",
+		"nativeedits": "false",
 	}
 	if !reflect.DeepEqual(m, sample) {
 		t.Errorf("Map does not match the sample: %v", m)
@ -87,3 +88,31 @@ func TestSessionSetAbsent(t *testing.T) {
 		t.Error("There shouldn't come a donkey!")
 	}
 }
+
+func TestSessionIgnore(t *testing.T) {
+	session := Session{}
+	if session.IsChatIgnored(3) {
+		t.Error("Shouldn't be ignored yet")
+	}
+	if !session.IgnoreChat(3) {
+		t.Error("Shouldn't have been ignored")
+	}
+	if session.IgnoreChat(3) {
+		t.Error("Shouldn't ignore second time")
+	}
+	if !session.IsChatIgnored(3) {
+		t.Error("Should be ignored already")
+	}
+	if session.IsChatIgnored(-145) {
+		t.Error("Wrong chat is ignored")
+	}
+	if !session.UnignoreChat(3) {
+		t.Error("Should successfully unignore")
+	}
+	if session.UnignoreChat(3) {
+		t.Error("Should unignore second time")
+	}
+	if session.IsChatIgnored(3) {
+		t.Error("Shouldn't be ignored already")
+	}
+}
--- a/staging.Dockerfile
+++ b/staging.Dockerfile
@ -0,0 +1,46 @@
+FROM golang:1.19-bullseye AS base
+
+RUN apt-get update
+RUN apt-get install -y libssl-dev cmake build-essential gperf libz-dev make git php
+
+FROM base AS tdlib
+
+ARG TD_COMMIT
+ARG MAKEOPTS
+RUN git clone https://github.com/tdlib/td /src/
+RUN git -C /src/ checkout "${TD_COMMIT}"
+RUN mkdir build
+WORKDIR /build/
+RUN cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/compiled/ /src/
+RUN cmake --build . --target prepare_cross_compiling ${MAKEOPTS}
+WORKDIR /src/
+RUN php SplitSource.php
+WORKDIR /build/
+RUN cmake --build . ${MAKEOPTS}
+RUN make install
+
+FROM base AS cache
+ARG VERSION
+COPY --from=tdlib /compiled/ /usr/local/
+WORKDIR /src
+RUN go env -w GOCACHE=/go-cache
+RUN go env -w GOMODCACHE=/gomod-cache
+RUN --mount=type=cache,target=/gomod-cache \
+    --mount=type=bind,source=./,target=/src \
+    go mod download
+
+FROM cache AS build
+ARG MAKEOPTS
+WORKDIR /src
+RUN --mount=type=bind,source=./,target=/src,rw \
+    --mount=type=cache,target=/go-cache \
+    --mount=type=cache,target=/gomod-cache \
+    --mount=type=cache,destination=/src/release \
+    make ${MAKEOPTS}
+
+FROM build AS release
+RUN --mount=type=cache,destination=/src/release \
+    cp /src/release/telegabber /
+
+FROM scratch AS binaries
+COPY --from=release /telegabber /
--- a/tdlib.Dockerfile
+++ b/tdlib.Dockerfile
@ -0,0 +1,23 @@
+FROM golang:1.19-bullseye AS base
+
+RUN apt-get update
+RUN apt-get install -y libssl-dev cmake build-essential gperf libz-dev make git php
+
+FROM base AS tdlib
+
+ARG TD_COMMIT
+ARG MAKEOPTS
+RUN git clone https://github.com/tdlib/td /src/
+RUN git -C /src/ checkout "${TD_COMMIT}"
+RUN mkdir build
+WORKDIR /build/
+RUN cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/compiled/ /src/
+RUN cmake --build . --target prepare_cross_compiling ${MAKEOPTS}
+WORKDIR /src/
+RUN php SplitSource.php
+WORKDIR /build/
+RUN cmake --build . ${MAKEOPTS}
+RUN make install
+
+FROM scratch AS binaries
+COPY --from=tdlib /compiled/ /
--- a/telegabber.go
+++ b/telegabber.go
@ -12,10 +12,11 @@ import (
 	"dev.narayana.im/narayana/telegabber/xmpp"

 	log "github.com/sirupsen/logrus"
+	"github.com/zelenin/go-tdlib/client"
 	goxmpp "gosrc.io/xmpp"
 )

-var version string = "2.0.0-dev"
+var version string = "1.9.5"
 var commit string

 var sm *goxmpp.StreamManager
@ -60,6 +61,9 @@ func main() {
 		log.Fatal(err)
 	}

+	client.SetLogVerbosityLevel(&client.SetLogVerbosityLevelRequest{
+		NewVerbosityLevel: stringToTdlibLogConstant(config.Telegram.Loglevel),
+	})
 	SetLogrusLevel(config.XMPP.Loglevel)

 	log.Infof("Starting telegabber version %v", version)
@ -89,6 +93,25 @@ func main() {
 	}
 }

+var tdlibLogConstants = map[string]int32{
+	":fatal":   0,
+	":error":   1,
+	":warn":    2,
+	":info":    3,
+	":debug":   4,
+	":verbose": 5,
+	":all":     1023,
+}
+
+func stringToTdlibLogConstant(c string) int32 {
+	level, ok := tdlibLogConstants[c]
+	if !ok {
+		level = 0
+	}
+
+	return level
+}
+
 func exit() {
 	xmpp.Close(component)
 	close(cleanupDone)
--- a/telegabber_test.go
+++ b/telegabber_test.go
@ -0,0 +1,19 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestTdlibLogInfo(t *testing.T) {
+	tdlibConstant := stringToTdlibLogConstant(":info")
+	if tdlibConstant != 3 {
+		t.Errorf("Wrong TDlib constant for info")
+	}
+}
+
+func TestTdlibLogInvalid(t *testing.T) {
+	tdlibConstant := stringToTdlibLogConstant("ziz")
+	if tdlibConstant != 0 {
+		t.Errorf("Unknown strings should return fatal loglevel")
+	}
+}
--- a/telegram/client.go
+++ b/telegram/client.go
@ -16,50 +16,12 @@ import (
 	"gosrc.io/xmpp"
 )

-var logConstants = map[string]int32{
-	":fatal":   0,
-	":error":   1,
-	":warn":    2,
-	":info":    3,
-	":debug":   4,
-	":verbose": 5,
-	":all":     1023,
-}
-
-func stringToLogConstant(c string) int32 {
-	level, ok := logConstants[c]
-	if !ok {
-		level = 0
-	}
-
-	return level
-}
-
 // DelayedStatus describes an online status expiring on timeout
 type DelayedStatus struct {
 	TimestampOnline  int64
 	TimestampExpired int64
 }

-// MUCState holds MUC metadata
-type MUCState struct {
-	Resources map[string]bool
-	Members   map[int64]*MUCMember
-}
-
-// MUCMember represents a MUC member
-type MUCMember struct {
-	Nickname    string
-	Affiliation string
-}
-
-func NewMUCState() *MUCState {
-	return &MUCState{
-		Resources: make(map[string]bool),
-		Members:   make(map[int64]*MUCMember),
-	}
-}
-
 // Client stores the metadata for lazily invoked TDlib instance
 type Client struct {
 	client     *client.Client
@ -72,19 +34,20 @@ type Client struct {
 	jid       string
 	Session   *persistence.Session
 	resources map[string]bool
-	outbox    map[string]string
 	content   *config.TelegramContentConfig
 	cache     *cache.Cache
 	online    bool

+	outbox     map[string]string
+	editOutbox map[string]string
+
 	DelayedStatuses     map[int64]*DelayedStatus
 	DelayedStatusesLock sync.Mutex

 	lastMsgHashes map[int64]uint64
+	lastMsgIds    map[int64]string
 	msgHashSeed   maphash.Seed

-	mucCache map[int64]*MUCState
-
 	locks           clientLocks
 	SendMessageLock sync.Mutex
 }
@ -94,8 +57,9 @@ type clientLocks struct {
 	chatMessageLocks   map[int64]*sync.Mutex
 	resourcesLock      sync.Mutex
 	outboxLock         sync.Mutex
-	mucCacheLock       sync.Mutex
+	editOutboxLock     sync.Mutex
 	lastMsgHashesLock  sync.Mutex
+	lastMsgIdsLock     sync.RWMutex

 	authorizerReadLock  sync.Mutex
 	authorizerWriteLock sync.Mutex
@ -105,10 +69,6 @@ type clientLocks struct {
 func NewClient(conf config.TelegramConfig, jid string, component *xmpp.Component, session *persistence.Session) (*Client, error) {
 	var options []client.Option

-	options = append(options, client.WithLogVerbosity(&client.SetLogVerbosityLevelRequest{
-		NewVerbosityLevel: stringToLogConstant(conf.Loglevel),
-	}))
-
 	if conf.Tdlib.Client.CatchTimeout != 0 {
 		options = append(options, client.WithCatchTimeout(
 			time.Duration(conf.Tdlib.Client.CatchTimeout)*time.Second,
@ -154,13 +114,14 @@ func NewClient(conf config.TelegramConfig, jid string, component *xmpp.Component
 		jid:             jid,
 		Session:         session,
 		resources:       make(map[string]bool),
-		outbox:          make(map[string]string),
-		mucCache:        make(map[int64]*MUCState),
 		content:         &conf.Content,
 		cache:           cache.NewCache(),
+		outbox:          make(map[string]string),
+		editOutbox:      make(map[string]string),
 		options:         options,
 		DelayedStatuses: make(map[int64]*DelayedStatus),
 		lastMsgHashes:   make(map[int64]uint64),
+		lastMsgIds:      make(map[int64]string),
 		msgHashSeed:     maphash.MakeSeed(),
 		locks: clientLocks{
 			chatMessageLocks: make(map[int64]*sync.Mutex),
--- a/telegram/client_test.go
+++ b/telegram/client_test.go
@ -1,19 +0,0 @@
-package telegram
-
-import (
-	"testing"
-)
-
-func TestLogInfo(t *testing.T) {
-	tdlibConstant := stringToLogConstant(":info")
-	if tdlibConstant != 3 {
-		t.Errorf("Wrong TDlib constant for info")
-	}
-}
-
-func TestLogInvalid(t *testing.T) {
-	tdlibConstant := stringToLogConstant("ziz")
-	if tdlibConstant != 0 {
-		t.Errorf("Unknown strings should return fatal loglevel")
-	}
-}
--- a/telegram/commands.go
+++ b/telegram/commands.go
@ -85,8 +85,8 @@ var chatCommands = map[string]command{
 	"invite":     command{"id or @username", "add user to current chat"},
 	"link":       command{"", "get invite link for current chat"},
 	"kick":       command{"id or @username", "remove user to current chat"},
-	"mute":       command{"id or @username [hours]", "mute user in current chat"},
-	"unmute":     command{"id or @username", "unrestrict user from current chat"},
+	"mute":       command{"[id or @username] [hours]", "mute the whole chat or a user in current chat"},
+	"unmute":     command{"[id or @username]", "unmute the whole chat or a user in the current chat"},
 	"ban":        command{"id or @username [hours]", "restrict @username from current chat for [hours] or forever"},
 	"unban":      command{"id or @username", "unbans @username in current chat (and devotes from admins)"},
 	"promote":    command{"id or @username [title]", "promote user to admin in current chat"},
@ -185,12 +185,27 @@ func keyValueString(key, value string) string {
 }

 func (c *Client) unsubscribe(chatID int64) error {
-	return gateway.SendPresence(
-		c.xmpp,
-		c.jid,
-		gateway.SPFrom(strconv.FormatInt(chatID, 10)),
-		gateway.SPType("unsubscribed"),
-	)
+	args := gateway.SimplePresence(chatID, "unsubscribed")
+	return c.sendPresence(args...)
+}
+
+func (c *Client) sendMessagesReverse(chatID int64, messages []*client.Message) {
+	for i := len(messages) - 1; i >= 0; i-- {
+		message := messages[i]
+		reply, _ := c.getMessageReply(message, false, true)
+
+		gateway.SendMessage(
+			c.jid,
+			strconv.FormatInt(chatID, 10),
+			c.formatMessage(0, 0, false, message),
+			strconv.FormatInt(message.Id, 10),
+			c.xmpp,
+			reply,
+			"",
+			false,
+			false,
+		)
+	}
 }

 func (c *Client) usernameOrIDToID(username string) (int64, error) {
@ -264,16 +279,15 @@ func (c *Client) ProcessTransportCommand(cmdline string, resource string) string
 			return notOnline
 		}

-		for _, id := range c.cache.ChatsKeys() {
-			c.unsubscribe(id)
-		}
-
 		_, err := c.client.LogOut()
 		if err != nil {
-			c.forceClose()
 			return errors.Wrap(err, "Logout error").Error()
 		}

+		for _, id := range c.cache.ChatsKeys() {
+			c.unsubscribe(id)
+		}
+
 		c.Session.Login = ""
 	// cancel auth
 	case "cancelauth":
@ -366,6 +380,7 @@ func (c *Client) ProcessTransportCommand(cmdline string, resource string) string
 		}
 	case "config":
 		if len(args) > 1 {
+			var msg string
 			if gateway.MessageOutgoingPermissionVersion == 0 && args[0] == "carbons" && args[1] == "true" {
 				return "The server did not allow to enable carbons"
 			}
@ -376,7 +391,7 @@ func (c *Client) ProcessTransportCommand(cmdline string, resource string) string
 			}
 			gateway.DirtySessions = true

-			return fmt.Sprintf("%s set to %s", args[0], value)
+			return fmt.Sprintf("%s%s set to %s", msg, args[0], value)
 		} else if len(args) > 0 {
 			value, err := c.Session.Get(args[0])
 			if err != nil {
@ -405,7 +420,7 @@ func (c *Client) ProcessTransportCommand(cmdline string, resource string) string
 		text := rawCmdArguments(cmdline, 1)
 		_, err = c.client.ReportChat(&client.ReportChatRequest{
 			ChatId: contact.Id,
-			Reason: &client.ChatReportReasonCustom{},
+			Reason: &client.ReportReasonCustom{},
 			Text:   text,
 		})
 		if err != nil {
@ -693,18 +708,18 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 		}
 	// blacklists current user
 	case "block":
-		_, err := c.client.ToggleMessageSenderIsBlocked(&client.ToggleMessageSenderIsBlockedRequest{
+		_, err := c.client.SetMessageSenderBlockList(&client.SetMessageSenderBlockListRequest{
 			SenderId:  &client.MessageSenderUser{UserId: chatID},
-			IsBlocked: true,
+			BlockList: &client.BlockListMain{},
 		})
 		if err != nil {
 			return err.Error(), true
 		}
 	// unblacklists current user
 	case "unblock":
-		_, err := c.client.ToggleMessageSenderIsBlocked(&client.ToggleMessageSenderIsBlockedRequest{
+		_, err := c.client.SetMessageSenderBlockList(&client.SetMessageSenderBlockListRequest{
 			SenderId:  &client.MessageSenderUser{UserId: chatID},
-			IsBlocked: false,
+			BlockList: nil,
 		})
 		if err != nil {
 			return err.Error(), true
@ -756,59 +771,65 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 		if err != nil {
 			return err.Error(), true
 		}
-	// mute @username [n hours]
+	// mute [@username [n hours]]
 	case "mute":
-		if len(args) < 1 {
-			return notEnoughArguments, true
-		}
-
-		contact, _, err := c.GetContactByUsername(args[0])
-		if err != nil {
-			return err.Error(), true
-		}
-
-		var hours int64
-		if len(args) > 1 {
-			hours, err = strconv.ParseInt(args[1], 10, 32)
+		if len(args) > 0 {
+			contact, _, err := c.GetContactByUsername(args[0])
 			if err != nil {
-				return "Invalid number of hours", true
+				return err.Error(), true
 			}
-		}

-		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-			ChatId:   chatID,
-			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status: &client.ChatMemberStatusRestricted{
-				IsMember:            true,
-				RestrictedUntilDate: c.formatBantime(hours),
-				Permissions:         &permissionsReadonly,
-			},
-		})
-		if err != nil {
-			return err.Error(), true
+			var hours int64
+			if len(args) > 1 {
+				hours, err = strconv.ParseInt(args[1], 10, 32)
+				if err != nil {
+					return "Invalid number of hours", true
+				}
+			}
+
+			_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
+				ChatId:   chatID,
+				MemberId: &client.MessageSenderUser{UserId: contact.Id},
+				Status: &client.ChatMemberStatusRestricted{
+					IsMember:            true,
+					RestrictedUntilDate: c.formatBantime(hours),
+					Permissions:         &permissionsReadonly,
+				},
+			})
+			if err != nil {
+				return err.Error(), true
+			}
+		} else {
+			if !c.Session.IgnoreChat(chatID) {
+				return "Chat is already ignored", true
+			}
+			gateway.DirtySessions = true
 		}
-	// unmute @username
+	// unmute [@username]
 	case "unmute":
-		if len(args) < 1 {
-			return notEnoughArguments, true
-		}
+		if len(args) > 0 {
+			contact, _, err := c.GetContactByUsername(args[0])
+			if err != nil {
+				return err.Error(), true
+			}

-		contact, _, err := c.GetContactByUsername(args[0])
-		if err != nil {
-			return err.Error(), true
-		}
-
-		_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
-			ChatId:   chatID,
-			MemberId: &client.MessageSenderUser{UserId: contact.Id},
-			Status: &client.ChatMemberStatusRestricted{
-				IsMember:            true,
-				RestrictedUntilDate: 0,
-				Permissions:         &permissionsMember,
-			},
-		})
-		if err != nil {
-			return err.Error(), true
+			_, err = c.client.SetChatMemberStatus(&client.SetChatMemberStatusRequest{
+				ChatId:   chatID,
+				MemberId: &client.MessageSenderUser{UserId: contact.Id},
+				Status: &client.ChatMemberStatusRestricted{
+					IsMember:            true,
+					RestrictedUntilDate: 0,
+					Permissions:         &permissionsMember,
+				},
+			})
+			if err != nil {
+				return err.Error(), true
+			}
+		} else {
+			if !c.Session.UnignoreChat(chatID) {
+				return "Chat wasn't ignored", true
+			}
+			gateway.DirtySessions = true
 		}
 	// ban @username from current chat [for N hours]
 	case "ban":
@ -988,7 +1009,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 			return err.Error(), true
 		}

-		c.sendMessagesReverse(chatID, messages.Messages, true, "")
+		c.sendMessagesReverse(chatID, messages.Messages)
 	// get latest entries from history
 	case "history":
 		var limit int32 = 10
@ -999,11 +1020,32 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 			}
 		}

-		messages, err := c.getNLastMessages(chatID, limit)
-		if err != nil {
-			return err.Error(), true
+		var newMessages *client.Messages
+		var messages []*client.Message
+		var err error
+		var fromId int64
+		for _ = range make([]struct{}, limit) { // safety limit
+			if len(messages) > 0 {
+				fromId = messages[len(messages)-1].Id
+			}
+
+			newMessages, err = c.client.GetChatHistory(&client.GetChatHistoryRequest{
+				ChatId:        chatID,
+				FromMessageId: fromId,
+				Limit:         limit,
+			})
+			if err != nil {
+				return err.Error(), true
+			}
+
+			messages = append(messages, newMessages.Messages...)
+
+			if len(newMessages.Messages) == 0 || len(messages) >= int(limit) {
+				break
+			}
 		}
-		c.sendMessagesReverse(chatID, messages, true, "")
+
+		c.sendMessagesReverse(chatID, messages)
 	// chat members
 	case "members":
 		var query string
--- a/telegram/connect.go
+++ b/telegram/connect.go
@ -2,7 +2,6 @@ package telegram

 import (
 	"github.com/pkg/errors"
-	"strconv"
 	"time"

 	"dev.narayana.im/narayana/telegabber/xmpp/gateway"
@ -69,10 +68,10 @@ func (stateHandler *clientAuthorizer) Handle(c *client.Client, state client.Auth
 		return nil

 	case client.TypeAuthorizationStateLoggingOut:
-		return client.ErrNotSupportedAuthorizationState
+		return nil

 	case client.TypeAuthorizationStateClosing:
-		return client.ErrNotSupportedAuthorizationState
+		return nil

 	case client.TypeAuthorizationStateClosed:
 		return client.ErrNotSupportedAuthorizationState
@ -159,7 +158,7 @@ func (c *Client) Connect(resource string) error {
 		}

 		gateway.SubscribeToTransport(c.xmpp, c.jid)
-		gateway.SendPresence(c.xmpp, c.jid, gateway.SPStatus("Logged in as: "+c.Session.Login))
+		c.sendPresence(gateway.SPStatus("Logged in as: " + c.Session.Login))
 	}()

 	return nil
@ -228,12 +227,8 @@ func (c *Client) Disconnect(resource string, quit bool) bool {

 	// we're offline (unsubscribe if logout)
 	for _, id := range c.cache.ChatsKeys() {
-		gateway.SendPresence(
-			c.xmpp,
-			c.jid,
-			gateway.SPFrom(strconv.FormatInt(id, 10)),
-			gateway.SPType("unavailable"),
-		)
+		args := gateway.SimplePresence(id, "unavailable")
+		c.sendPresence(args...)
 	}

 	c.close()
--- a/telegram/formatter/formatter.go
+++ b/telegram/formatter/formatter.go
@ -8,15 +8,31 @@ import (
 	"github.com/zelenin/go-tdlib/client"
 )

-// Insertion is a piece of text in given position
-type Insertion struct {
+type insertionType int
+
+const (
+	insertionOpening insertionType = iota
+	insertionClosing
+	insertionUnpaired
+)
+
+type MarkupModeType int
+
+const (
+	MarkupModeXEP0393 MarkupModeType = iota
+	MarkupModeMarkdown
+)
+
+// insertion is a piece of text in given position
+type insertion struct {
 	Offset int32
 	Runes  []rune
+	Type   insertionType
 }

-// InsertionStack contains the sequence of insertions
+// insertionStack contains the sequence of insertions
 // from the start or from the end
-type InsertionStack []*Insertion
+type insertionStack []*insertion

 var boldRunesMarkdown = []rune("**")
 var boldRunesXEP0393 = []rune("*")
@ -24,13 +40,18 @@ var italicRunes = []rune("_")
 var strikeRunesMarkdown = []rune("~~")
 var strikeRunesXEP0393 = []rune("~")
 var codeRunes = []rune("`")
-var preRuneStart = []rune("```\n")
-var preRuneEnd = []rune("\n```")
+var preRunesStart = []rune("```\n")
+var preRunesEnd = []rune("\n```")
+var quoteRunes = []rune("> ")
+var newlineRunes = []rune("\n")
+var doubleNewlineRunes = []rune("\n\n")
+var newlineCode = rune(0x0000000a)
+var bmpCeil = rune(0x0000ffff)

 // rebalance pumps all the values until the given offset to current stack (growing
 // from start) from given stack (growing from end); should be called
 // before any insertions to the current stack at the given offset
-func (s InsertionStack) rebalance(s2 InsertionStack, offset int32) (InsertionStack, InsertionStack) {
+func (s insertionStack) rebalance(s2 insertionStack, offset int32) (insertionStack, insertionStack) {
 	for len(s2) > 0 && s2[len(s2)-1].Offset <= offset {
 		s = append(s, s2[len(s2)-1])
 		s2 = s2[:len(s2)-1]
@ -41,10 +62,10 @@ func (s InsertionStack) rebalance(s2 InsertionStack, offset int32) (InsertionSta

 // NewIterator is a second order function that sequentially scans and returns
 // stack elements; starts returning nil when elements are ended
-func (s InsertionStack) NewIterator() func() *Insertion {
+func (s insertionStack) NewIterator() func() *insertion {
 	i := -1

-	return func() *Insertion {
+	return func() *insertion {
 		i++
 		if i < len(s) {
 			return s[i]
@ -120,21 +141,10 @@ func MergeAdjacentEntities(entities []*client.TextEntity) []*client.TextEntity {
 }

 // ClaspDirectives to the following span as required by XEP-0393
-func ClaspDirectives(text string, entities []*client.TextEntity) []*client.TextEntity {
+func ClaspDirectives(doubledRunes []rune, entities []*client.TextEntity) []*client.TextEntity {
 	alignedEntities := make([]*client.TextEntity, len(entities))
 	copy(alignedEntities, entities)

-	// transform the source text into a form with uniform runes and code points,
-	// by duplicating the Basic Multilingual Plane
-	doubledRunes := make([]rune, 0, len(text)*2)
-
-	for _, cp := range text {
-		if cp > 0x0000ffff {
-			doubledRunes = append(doubledRunes, cp, cp)
-		} else {
-			doubledRunes = append(doubledRunes, cp)
-		}
-	}
 	for i, entity := range alignedEntities {
 		var dirty bool
 		endOffset := entity.Offset + entity.Length
@ -167,18 +177,89 @@ func ClaspDirectives(text string, entities []*client.TextEntity) []*client.TextE
 	return alignedEntities
 }

-func markupBraces(entity *client.TextEntity, lbrace, rbrace []rune) (*Insertion, *Insertion) {
-	return &Insertion{
+func markupBraces(entity *client.TextEntity, lbrace, rbrace []rune) []*insertion {
+	return []*insertion{
+		&insertion{
 			Offset: entity.Offset,
 			Runes:  lbrace,
-		}, &Insertion{
+			Type:   insertionOpening,
+		},
+		&insertion{
 			Offset: entity.Offset + entity.Length,
 			Runes:  rbrace,
-		}
+			Type:   insertionClosing,
+		},
+	}
 }

-// EntityToMarkdown generates the wrapping Markdown tags
-func EntityToMarkdown(entity *client.TextEntity) (*Insertion, *Insertion) {
+func quotePrependNewlines(entity *client.TextEntity, doubledRunes []rune, markupMode MarkupModeType) []*insertion {
+	if len(doubledRunes) == 0 {
+		return []*insertion{}
+	}
+
+	startRunes := []rune("\n> ")
+	if entity.Offset == 0 || doubledRunes[entity.Offset-1] == newlineCode {
+		startRunes = quoteRunes
+	}
+	insertions := []*insertion{
+		&insertion{
+			Offset: entity.Offset,
+			Runes:  startRunes,
+			Type:   insertionUnpaired,
+		},
+	}
+
+	entityEnd := entity.Offset + entity.Length
+	entityEndInt := int(entityEnd)
+
+	var wasNewline bool
+	// last newline is omitted, there's no need to put quote mark after the quote
+	for i := entity.Offset; i < entityEnd-1; i++ {
+		isNewline := doubledRunes[i] == newlineCode
+		if (isNewline && markupMode == MarkupModeXEP0393) || (wasNewline && isNewline && markupMode == MarkupModeMarkdown) {
+			insertions = append(insertions, &insertion{
+				Offset: i + 1,
+				Runes:  quoteRunes,
+				Type:   insertionUnpaired,
+			})
+		}
+
+		if isNewline {
+			wasNewline = true
+		} else {
+			wasNewline = false
+		}
+	}
+
+	var rbrace []rune
+	if len(doubledRunes) > entityEndInt {
+		if doubledRunes[entityEnd] == newlineCode {
+			if markupMode == MarkupModeMarkdown && len(doubledRunes) > entityEndInt+1 && doubledRunes[entityEndInt+1] != newlineCode {
+				rbrace = newlineRunes
+			}
+		} else {
+			if markupMode == MarkupModeMarkdown {
+				rbrace = doubleNewlineRunes
+			} else {
+				rbrace = newlineRunes
+			}
+		}
+	}
+	insertions = append(insertions, &insertion{
+		Offset: entityEnd,
+		Runes:  rbrace,
+		Type:   insertionClosing,
+	})
+
+	return insertions
+}
+
+// entityToMarkdown generates the wrapping Markdown tags
+func entityToMarkdown(entity *client.TextEntity, doubledRunes []rune, markupMode MarkupModeType) []*insertion {
+	if entity == nil || entity.Type == nil {
+		return []*insertion{}
+	}
+
 	switch entity.Type.TextEntityTypeType() {
 	case client.TypeTextEntityTypeBold:
 		return markupBraces(entity, boldRunesMarkdown, boldRunesMarkdown)
@ -189,22 +270,24 @@ func EntityToMarkdown(entity *client.TextEntity) (*Insertion, *Insertion) {
 	case client.TypeTextEntityTypeCode:
 		return markupBraces(entity, codeRunes, codeRunes)
 	case client.TypeTextEntityTypePre:
-		return markupBraces(entity, preRuneStart, preRuneEnd)
+		return markupBraces(entity, preRunesStart, preRunesEnd)
 	case client.TypeTextEntityTypePreCode:
 		preCode, _ := entity.Type.(*client.TextEntityTypePreCode)
-		return markupBraces(entity, []rune("\n```"+preCode.Language+"\n"), codeRunes)
+		return markupBraces(entity, []rune("\n```"+preCode.Language+"\n"), preRunesEnd)
+	case client.TypeTextEntityTypeBlockQuote:
+		return quotePrependNewlines(entity, doubledRunes, MarkupModeMarkdown)
 	case client.TypeTextEntityTypeTextUrl:
 		textURL, _ := entity.Type.(*client.TextEntityTypeTextUrl)
 		return markupBraces(entity, []rune("["), []rune("]("+textURL.Url+")"))
 	}

-	return nil, nil
+	return []*insertion{}
 }

-// EntityToXEP0393 generates the wrapping XEP-0393 tags
-func EntityToXEP0393(entity *client.TextEntity) (*Insertion, *Insertion) {
+// entityToXEP0393 generates the wrapping XEP-0393 tags
+func entityToXEP0393(entity *client.TextEntity, doubledRunes []rune, markupMode MarkupModeType) []*insertion {
 	if entity == nil || entity.Type == nil {
-		return nil, nil
+		return []*insertion{}
 	}

 	switch entity.Type.TextEntityTypeType() {
@ -217,33 +300,59 @@ func EntityToXEP0393(entity *client.TextEntity) (*Insertion, *Insertion) {
 	case client.TypeTextEntityTypeCode:
 		return markupBraces(entity, codeRunes, codeRunes)
 	case client.TypeTextEntityTypePre:
-		return markupBraces(entity, preRuneStart, preRuneEnd)
+		return markupBraces(entity, preRunesStart, preRunesEnd)
 	case client.TypeTextEntityTypePreCode:
 		preCode, _ := entity.Type.(*client.TextEntityTypePreCode)
-		return markupBraces(entity, []rune("\n```"+preCode.Language+"\n"), codeRunes)
+		return markupBraces(entity, []rune("\n```"+preCode.Language+"\n"), preRunesEnd)
+	case client.TypeTextEntityTypeBlockQuote:
+		return quotePrependNewlines(entity, doubledRunes, MarkupModeXEP0393)
 	case client.TypeTextEntityTypeTextUrl:
 		textURL, _ := entity.Type.(*client.TextEntityTypeTextUrl)
 		// non-standard, Pidgin-specific
 		return markupBraces(entity, []rune{}, []rune(" <"+textURL.Url+">"))
 	}

-	return nil, nil
+	return []*insertion{}
+}
+
+// transform the source text into a form with uniform runes and code points,
+// by duplicating anything beyond the Basic Multilingual Plane
+func textToDoubledRunes(text string) []rune {
+	doubledRunes := make([]rune, 0, len(text)*2)
+	for _, cp := range text {
+		if cp > bmpCeil {
+			doubledRunes = append(doubledRunes, cp, cp)
+		} else {
+			doubledRunes = append(doubledRunes, cp)
+		}
+	}
+
+	return doubledRunes
 }

 // Format traverses an already sorted list of entities and wraps the text in a markup
 func Format(
 	sourceText string,
 	entities []*client.TextEntity,
-	entityToMarkup func(*client.TextEntity) (*Insertion, *Insertion),
+	markupMode MarkupModeType,
 ) string {
 	if len(entities) == 0 {
 		return sourceText
 	}

-	mergedEntities := SortEntities(ClaspDirectives(sourceText, MergeAdjacentEntities(SortEntities(entities))))
+	var entityToMarkup func(*client.TextEntity, []rune, MarkupModeType) []*insertion
+	if markupMode == MarkupModeXEP0393 {
+		entityToMarkup = entityToXEP0393
+	} else {
+		entityToMarkup = entityToMarkdown
+	}

-	startStack := make(InsertionStack, 0, len(sourceText))
-	endStack := make(InsertionStack, 0, len(sourceText))
+	doubledRunes := textToDoubledRunes(sourceText)
+
+	mergedEntities := SortEntities(ClaspDirectives(doubledRunes, MergeAdjacentEntities(SortEntities(entities))))
+
+	startStack := make(insertionStack, 0, len(sourceText))
+	endStack := make(insertionStack, 0, len(sourceText))

 	// convert entities to a stack of brackets
 	var maxEndOffset int32
@ -260,36 +369,70 @@ func Format(

 		startStack, endStack = startStack.rebalance(endStack, entity.Offset)

-		startInsertion, endInsertion := entityToMarkup(entity)
-		if startInsertion != nil {
-			startStack = append(startStack, startInsertion)
+		insertions := entityToMarkup(entity, doubledRunes, markupMode)
+		if len(insertions) > 1 {
+			startStack = append(startStack, insertions[0:len(insertions)-1]...)
 		}
-		if endInsertion != nil {
-			endStack = append(endStack, endInsertion)
+		if len(insertions) > 0 {
+			endStack = append(endStack, insertions[len(insertions)-1])
 		}
 	}
 	// flush the closing brackets that still remain in endStack
 	startStack, endStack = startStack.rebalance(endStack, maxEndOffset)
+	// sort unpaired insertions
+	sort.SliceStable(startStack, func(i int, j int) bool {
+		ins1 := startStack[i]
+		ins2 := startStack[j]
+		if ins1.Type == insertionUnpaired && ins2.Type == insertionUnpaired {
+			return ins1.Offset < ins2.Offset
+		}
+		if ins1.Type == insertionUnpaired {
+			if ins1.Offset == ins2.Offset {
+				if ins2.Type == insertionOpening { // > **
+					return true
+				} else if ins2.Type == insertionClosing { // **>
+					return false
+				}
+			} else {
+				return ins1.Offset < ins2.Offset
+			}
+		}
+		if ins2.Type == insertionUnpaired {
+			if ins1.Offset == ins2.Offset {
+				if ins1.Type == insertionOpening { // > **
+					return false
+				} else if ins1.Type == insertionClosing { // **>
+					return true
+				}
+			} else {
+				return ins1.Offset < ins2.Offset
+			}
+		}
+		return false
+	})

 	// merge brackets into text
 	markupRunes := make([]rune, 0, len(sourceText))

 	nextInsertion := startStack.NewIterator()
 	insertion := nextInsertion()
-	var runeI int32
+	var skipNext bool

-	for _, cp := range sourceText {
-		for insertion != nil && insertion.Offset <= runeI {
+	for i, cp := range doubledRunes {
+		if skipNext {
+			skipNext = false
+			continue
+		}
+
+		for insertion != nil && int(insertion.Offset) <= i {
 			markupRunes = append(markupRunes, insertion.Runes...)
 			insertion = nextInsertion()
 		}

 		markupRunes = append(markupRunes, cp)
 		// skip two UTF-16 code units (not points actually!) if needed
-		if cp > 0x0000ffff {
-			runeI += 2
-		} else {
-			runeI++
+		if cp > bmpCeil {
+			skipNext = true
 		}
 	}
 	for insertion != nil {
--- a/telegram/formatter/formatter_test.go
+++ b/telegram/formatter/formatter_test.go
@ -7,7 +7,7 @@ import (
 )

 func TestNoFormatting(t *testing.T) {
-	markup := Format("abc\ndef", []*client.TextEntity{}, EntityToMarkdown)
+	markup := Format("abc\ndef", []*client.TextEntity{}, MarkupModeMarkdown)
 	if markup != "abc\ndef" {
 		t.Errorf("No formatting expected, but: %v", markup)
 	}
@ -20,7 +20,7 @@ func TestFormattingSimple(t *testing.T) {
 			Length: 4,
 			Type:   &client.TextEntityTypeBold{},
 		},
-	}, EntityToMarkdown)
+	}, MarkupModeMarkdown)
 	if markup != "👙**🐧🐖**" {
 		t.Errorf("Wrong simple formatting: %v", markup)
 	}
@ -40,7 +40,7 @@ func TestFormattingAdjacent(t *testing.T) {
 				Url: "https://narayana.im/",
 			},
 		},
-	}, EntityToMarkdown)
+	}, MarkupModeMarkdown)
 	if markup != "a👙_🐧_[🐖](https://narayana.im/)" {
 		t.Errorf("Wrong adjacent formatting: %v", markup)
 	}
@ -63,18 +63,18 @@ func TestFormattingAdjacentAndNested(t *testing.T) {
 			Length: 2,
 			Type:   &client.TextEntityTypeItalic{},
 		},
-	}, EntityToMarkdown)
+	}, MarkupModeMarkdown)
 	if markup != "```\n**👙**🐧\n```_🐖_" {
 		t.Errorf("Wrong adjacent&nested formatting: %v", markup)
 	}
 }

 func TestRebalanceTwoZero(t *testing.T) {
-	s1 := InsertionStack{
-		&Insertion{Offset: 7},
-		&Insertion{Offset: 8},
+	s1 := insertionStack{
+		&insertion{Offset: 7},
+		&insertion{Offset: 8},
 	}
-	s2 := InsertionStack{}
+	s2 := insertionStack{}
 	s1, s2 = s1.rebalance(s2, 7)
 	if !(len(s1) == 2 && len(s2) == 0 && s1[0].Offset == 7 && s1[1].Offset == 8) {
 		t.Errorf("Wrong rebalance 2–0: %#v %#v", s1, s2)
@ -82,13 +82,13 @@ func TestRebalanceTwoZero(t *testing.T) {
 }

 func TestRebalanceNeeded(t *testing.T) {
-	s1 := InsertionStack{
-		&Insertion{Offset: 7},
-		&Insertion{Offset: 8},
+	s1 := insertionStack{
+		&insertion{Offset: 7},
+		&insertion{Offset: 8},
 	}
-	s2 := InsertionStack{
-		&Insertion{Offset: 10},
-		&Insertion{Offset: 9},
+	s2 := insertionStack{
+		&insertion{Offset: 10},
+		&insertion{Offset: 9},
 	}
 	s1, s2 = s1.rebalance(s2, 9)
 	if !(len(s1) == 3 && len(s2) == 1 &&
@ -99,13 +99,13 @@ func TestRebalanceNeeded(t *testing.T) {
 }

 func TestRebalanceNotNeeded(t *testing.T) {
-	s1 := InsertionStack{
-		&Insertion{Offset: 7},
-		&Insertion{Offset: 8},
+	s1 := insertionStack{
+		&insertion{Offset: 7},
+		&insertion{Offset: 8},
 	}
-	s2 := InsertionStack{
-		&Insertion{Offset: 10},
-		&Insertion{Offset: 9},
+	s2 := insertionStack{
+		&insertion{Offset: 10},
+		&insertion{Offset: 9},
 	}
 	s1, s2 = s1.rebalance(s2, 8)
 	if !(len(s1) == 2 && len(s2) == 2 &&
@ -116,13 +116,13 @@ func TestRebalanceNotNeeded(t *testing.T) {
 }

 func TestRebalanceLate(t *testing.T) {
-	s1 := InsertionStack{
-		&Insertion{Offset: 7},
-		&Insertion{Offset: 8},
+	s1 := insertionStack{
+		&insertion{Offset: 7},
+		&insertion{Offset: 8},
 	}
-	s2 := InsertionStack{
-		&Insertion{Offset: 10},
-		&Insertion{Offset: 9},
+	s2 := insertionStack{
+		&insertion{Offset: 10},
+		&insertion{Offset: 9},
 	}
 	s1, s2 = s1.rebalance(s2, 10)
 	if !(len(s1) == 4 && len(s2) == 0 &&
@ -133,7 +133,7 @@ func TestRebalanceLate(t *testing.T) {
 }

 func TestIteratorEmpty(t *testing.T) {
-	s := InsertionStack{}
+	s := insertionStack{}
 	g := s.NewIterator()
 	v := g()
 	if v != nil {
@ -142,9 +142,9 @@ func TestIteratorEmpty(t *testing.T) {
 }

 func TestIterator(t *testing.T) {
-	s := InsertionStack{
-		&Insertion{Offset: 7},
-		&Insertion{Offset: 8},
+	s := insertionStack{
+		&insertion{Offset: 7},
+		&insertion{Offset: 8},
 	}
 	g := s.NewIterator()
 	v := g()
@ -208,7 +208,7 @@ func TestSortEmpty(t *testing.T) {
 }

 func TestNoFormattingXEP0393(t *testing.T) {
-	markup := Format("abc\ndef", []*client.TextEntity{}, EntityToXEP0393)
+	markup := Format("abc\ndef", []*client.TextEntity{}, MarkupModeXEP0393)
 	if markup != "abc\ndef" {
 		t.Errorf("No formatting expected, but: %v", markup)
 	}
@ -221,7 +221,7 @@ func TestFormattingXEP0393Simple(t *testing.T) {
 			Length: 4,
 			Type:   &client.TextEntityTypeBold{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "👙*🐧🐖*" {
 		t.Errorf("Wrong simple formatting: %v", markup)
 	}
@ -241,7 +241,7 @@ func TestFormattingXEP0393Adjacent(t *testing.T) {
 				Url: "https://narayana.im/",
 			},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "a👙_🐧_🐖 <https://narayana.im/>" {
 		t.Errorf("Wrong adjacent formatting: %v", markup)
 	}
@ -264,7 +264,7 @@ func TestFormattingXEP0393AdjacentAndNested(t *testing.T) {
 			Length: 2,
 			Type:   &client.TextEntityTypeItalic{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "```\n*👙*🐧\n```_🐖_" {
 		t.Errorf("Wrong adjacent&nested formatting: %v", markup)
 	}
@ -287,7 +287,7 @@ func TestFormattingXEP0393AdjacentItalicBoldItalic(t *testing.T) {
 			Length: 69,
 			Type:   &client.TextEntityTypeItalic{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "_раса двуногих крысолюдей, *которую так редко замечают, что многие отрицают само их существование*_" {
 		t.Errorf("Wrong adjacent italic/bold-italic formatting: %v", markup)
 	}
@ -315,7 +315,7 @@ func TestFormattingXEP0393MultipleAdjacent(t *testing.T) {
 			Length: 1,
 			Type:   &client.TextEntityTypeItalic{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "a*bcd*_e_" {
 		t.Errorf("Wrong multiple adjacent formatting: %v", markup)
 	}
@ -343,7 +343,7 @@ func TestFormattingXEP0393Intersecting(t *testing.T) {
 			Length: 1,
 			Type:   &client.TextEntityTypeBold{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "a*b*_*cd*e_" {
 		t.Errorf("Wrong intersecting formatting: %v", markup)
 	}
@ -361,7 +361,7 @@ func TestFormattingXEP0393InlineCode(t *testing.T) {
 			Length: 25,
 			Type:   &client.TextEntityTypePre{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "Is `Gajim` a thing?\n\n```\necho 'Hello'\necho 'world'\n```\n\nhruck(" {
 		t.Errorf("Wrong intersecting formatting: %v", markup)
 	}
@ -374,7 +374,7 @@ func TestFormattingMarkdownStrikethrough(t *testing.T) {
 			Length: 3,
 			Type:   &client.TextEntityTypeStrikethrough{},
 		},
-	}, EntityToMarkdown)
+	}, MarkupModeMarkdown)
 	if markup != "Everyone ~~dis~~likes cake." {
 		t.Errorf("Wrong strikethrough formatting: %v", markup)
 	}
@ -387,14 +387,14 @@ func TestFormattingXEP0393Strikethrough(t *testing.T) {
 			Length: 3,
 			Type:   &client.TextEntityTypeStrikethrough{},
 		},
-	}, EntityToXEP0393)
+	}, MarkupModeXEP0393)
 	if markup != "Everyone ~dis~likes cake." {
 		t.Errorf("Wrong strikethrough formatting: %v", markup)
 	}
 }

 func TestClaspLeft(t *testing.T) {
-	text := "a b c"
+	text := textToDoubledRunes("a b c")
 	entities := []*client.TextEntity{
 		&client.TextEntity{
 			Offset: 1,
@ -409,7 +409,7 @@ func TestClaspLeft(t *testing.T) {
 }

 func TestClaspBoth(t *testing.T) {
-	text := "a b c"
+	text := textToDoubledRunes("a b c")
 	entities := []*client.TextEntity{
 		&client.TextEntity{
 			Offset: 1,
@ -424,7 +424,7 @@ func TestClaspBoth(t *testing.T) {
 }

 func TestClaspNotNeeded(t *testing.T) {
-	text := " abc "
+	text := textToDoubledRunes(" abc ")
 	entities := []*client.TextEntity{
 		&client.TextEntity{
 			Offset: 1,
@ -439,7 +439,7 @@ func TestClaspNotNeeded(t *testing.T) {
 }

 func TestClaspNested(t *testing.T) {
-	text := "a b c"
+	text := textToDoubledRunes("a b c")
 	entities := []*client.TextEntity{
 		&client.TextEntity{
 			Offset: 1,
@ -459,7 +459,7 @@ func TestClaspNested(t *testing.T) {
 }

 func TestClaspEmoji(t *testing.T) {
-	text := "a 🐖 c"
+	text := textToDoubledRunes("a 🐖 c")
 	entities := []*client.TextEntity{
 		&client.TextEntity{
 			Offset: 1,
@ -472,3 +472,111 @@ func TestClaspEmoji(t *testing.T) {
 		t.Errorf("Wrong claspemoji: %#v", entities)
 	}
 }
+
+func TestNoNewlineBlockquoteXEP0393(t *testing.T) {
+	markup := Format("yes it can i think", []*client.TextEntity{
+		&client.TextEntity{
+			Offset: 4,
+			Length: 6,
+			Type:   &client.TextEntityTypeBlockQuote{},
+		},
+	}, MarkupModeXEP0393)
+	if markup != "yes \n> it can\n i think" {
+		t.Errorf("Wrong blockquote formatting: %v", markup)
+	}
+}
+
+func TestNoNewlineBlockquoteMarkdown(t *testing.T) {
+	markup := Format("yes it can i think", []*client.TextEntity{
+		&client.TextEntity{
+			Offset: 4,
+			Length: 6,
+			Type:   &client.TextEntityTypeBlockQuote{},
+		},
+	}, MarkupModeMarkdown)
+	if markup != "yes \n> it can\n\n i think" {
+		t.Errorf("Wrong blockquote formatting: %v", markup)
+	}
+}
+
+func TestMultilineBlockquoteXEP0393(t *testing.T) {
+	markup := Format("hruck\npuck\n\nshuck\ntext", []*client.TextEntity{
+		&client.TextEntity{
+			Offset: 0,
+			Length: 17,
+			Type:   &client.TextEntityTypeBlockQuote{},
+		},
+	}, MarkupModeXEP0393)
+	if markup != "> hruck\n> puck\n> \n> shuck\ntext" {
+		t.Errorf("Wrong blockquote formatting: %v", markup)
+	}
+}
+
+func TestMultilineBlockquoteMarkdown(t *testing.T) {
+	markup := Format("hruck\npuck\n\nshuck\ntext", []*client.TextEntity{
+		&client.TextEntity{
+			Offset: 0,
+			Length: 17,
+			Type:   &client.TextEntityTypeBlockQuote{},
+		},
+	}, MarkupModeMarkdown)
+	if markup != "> hruck\npuck\n\n> shuck\n\ntext" {
+		t.Errorf("Wrong blockquote formatting: %v", markup)
+	}
+}
+
+func TestMixedBlockquoteXEP0393(t *testing.T) {
+	markup := Format("hruck\npuck\nshuck\ntext", []*client.TextEntity{
+		&client.TextEntity{
+			Offset: 0,
+			Length: 16,
+			Type:   &client.TextEntityTypeBlockQuote{},
+		},
+		&client.TextEntity{
+			Offset: 0,
+			Length: 16,
+			Type:   &client.TextEntityTypeBold{},
+		},
+		&client.TextEntity{
+			Offset: 0,
+			Length: 10,
+			Type:   &client.TextEntityTypeItalic{},
+		},
+		&client.TextEntity{
+			Offset: 7,
+			Length: 2,
+			Type:   &client.TextEntityTypeStrikethrough{},
+		},
+	}, MarkupModeXEP0393)
+	if markup != "> *_hruck\n> p~uc~k_\n> shuck*\ntext" {
+		t.Errorf("Wrong blockquote formatting: %v", markup)
+	}
+}
+
+func TestMixedBlockquoteMarkdown(t *testing.T) {
+	markup := Format("hruck\npuck\nshuck\ntext", []*client.TextEntity{
+		&client.TextEntity{
+			Offset: 0,
+			Length: 16,
+			Type:   &client.TextEntityTypeBlockQuote{},
+		},
+		&client.TextEntity{
+			Offset: 0,
+			Length: 16,
+			Type:   &client.TextEntityTypeBold{},
+		},
+		&client.TextEntity{
+			Offset: 0,
+			Length: 10,
+			Type:   &client.TextEntityTypeItalic{},
+		},
+		&client.TextEntity{
+			Offset: 7,
+			Length: 2,
+			Type:   &client.TextEntityTypeStrikethrough{},
+		},
+	}, MarkupModeMarkdown)
+	if markup != "> **_hruck\np~~uc~~k_\nshuck**\n\ntext" {
+		t.Errorf("Wrong blockquote formatting: %v", markup)
+	}
+}
--- a/telegram/handlers.go
+++ b/telegram/handlers.go
@ -55,6 +55,31 @@ func (c *Client) cleanTempFile(path string) {
 	}
 }

+func (c *Client) sendMarker(chatId, messageId int64, typ gateway.MarkerType) {
+	xmppId, err := gateway.IdsDB.GetByTgIds(c.Session.Login, c.jid, chatId, messageId)
+	if err != nil {
+		xmppId = strconv.FormatInt(messageId, 10)
+	}
+
+	var stringType string
+	if typ == gateway.MarkerTypeReceived {
+		stringType = "received"
+	} else if typ == gateway.MarkerTypeDisplayed {
+		stringType = "displayed"
+	}
+	log.WithFields(log.Fields{
+		"xmppId": xmppId,
+	}).Debugf("marker: %s", stringType)
+
+	gateway.SendMessageMarker(
+		c.jid,
+		strconv.FormatInt(chatId, 10),
+		c.xmpp,
+		typ,
+		xmppId,
+	)
+}
+
 func (c *Client) updateHandler() {
 	listener := c.client.GetListener()
 	defer listener.Close()
@ -141,6 +166,12 @@ func (c *Client) updateHandler() {
 					uhOh()
 				}
 				c.updateChatTitle(typedUpdate)
+			case client.TypeUpdateChatReadOutbox:
+				typedUpdate, ok := update.(*client.UpdateChatReadOutbox)
+				if !ok {
+					uhOh()
+				}
+				c.updateChatReadOutbox(typedUpdate)
 			default:
 				// log only handled types
 				continue
@ -153,13 +184,6 @@ func (c *Client) updateHandler() {

 // new user discovered
 func (c *Client) updateUser(update *client.UpdateUser) {
-	// check if MUC nicknames should be updated
-	cacheUser, ok := c.cache.GetUser(update.User.Id)
-	if ok && (cacheUser.FirstName != update.User.FirstName || cacheUser.LastName != update.User.LastName) {
-		newNickname := c.GetMUCNickname(update.User.Id)
-		c.updateMUCsNickname(update.User.Id, newNickname)
-	}
-
 	c.cache.SetUser(update.User.Id, update.User)
 	show, status, presenceType := c.userStatusToText(update.User.Status, update.User.Id)
 	go c.ProcessStatusUpdate(update.User.Id, status, show, gateway.SPType(presenceType))
@ -211,6 +235,9 @@ func (c *Client) updateChatLastMessage(update *client.UpdateChatLastMessage) {
 // message received
 func (c *Client) updateNewMessage(update *client.UpdateNewMessage) {
 	chatId := update.Message.ChatId
+	if c.Session.IsChatIgnored(chatId) {
+		return
+	}

 	// guarantee sequential message delivering per chat
 	lock := c.getChatMessageLock(chatId)
@ -218,6 +245,8 @@ func (c *Client) updateNewMessage(update *client.UpdateNewMessage) {
 		lock.Lock()
 		defer lock.Unlock()

+		c.updateLastMessageHash(update.Message.ChatId, update.Message.Id, update.Message.Content)
+
 		// ignore self outgoing messages
 		if update.Message.IsOutgoing &&
 			update.Message.SendingState != nil &&
@ -230,23 +259,31 @@ func (c *Client) updateNewMessage(update *client.UpdateNewMessage) {
 		}).Warn("New message from chat")

 		c.ProcessIncomingMessage(chatId, update.Message)
-
-		c.updateLastMessageHash(update.Message.ChatId, update.Message.Id, update.Message.Content)
 	}()
 }

 // message content updated
 func (c *Client) updateMessageContent(update *client.UpdateMessageContent) {
+	if c.Session.IsChatIgnored(update.ChatId) {
+		return
+	}
+
 	markupFunction := c.getFormatter()

 	defer c.updateLastMessageHash(update.ChatId, update.MessageId, update.NewContent)

+	log.Debugf("newContent: %#v", update.NewContent)
+
+	lock := c.getChatMessageLock(update.ChatId)
+	lock.Lock()
+	lock.Unlock()
 	c.SendMessageLock.Lock()
 	c.SendMessageLock.Unlock()
-	xmppId, err := gateway.IdsDB.GetByTgIds(c.Session.Login, c.jid, update.ChatId, update.MessageId)
+
+	xmppId, xmppIdErr := gateway.IdsDB.GetByTgIds(c.Session.Login, c.jid, update.ChatId, update.MessageId)
 	var ignoredResource string
-	if err == nil {
-		ignoredResource = c.popFromOutbox(xmppId)
+	if xmppIdErr == nil {
+		ignoredResource = c.popFromEditOutbox(xmppId)
 	} else {
 		log.Infof("Couldn't retrieve XMPP message ids for %v, an echo may happen", update.MessageId)
 	}
@ -260,19 +297,62 @@ func (c *Client) updateMessageContent(update *client.UpdateMessageContent) {

 	if update.NewContent.MessageContentType() == client.TypeMessageText && c.hasLastMessageHashChanged(update.ChatId, update.MessageId, update.NewContent) {
 		textContent := update.NewContent.(*client.MessageText)
-		var editChar string
-		if c.Session.AsciiArrows {
-			editChar = "e "
-		} else {
-			editChar = "✎ "
+		log.Debugf("textContent: %#v", textContent.Text)
+
+		var replaceId string
+		sId := strconv.FormatInt(update.MessageId, 10)
+		var isCarbon bool
+
+		// use XEP-0308 edits only if the last message is edited for sure, fallback otherwise
+		if c.Session.NativeEdits {
+			lastXmppId, ok := c.getLastChatMessageId(update.ChatId)
+			if xmppIdErr != nil {
+				xmppId = sId
+			}
+			if ok && lastXmppId == xmppId {
+				replaceId = xmppId
+			} else {
+				log.Infof("Mismatching message ids: %v %v, falling back to separate edit message", lastXmppId, xmppId)
+			}
 		}
-		text := editChar + fmt.Sprintf("%v | %s", update.MessageId, formatter.Format(
+
+		message, messageErr := c.client.GetMessage(&client.GetMessageRequest{
+			ChatId:    update.ChatId,
+			MessageId: update.MessageId,
+		})
+		var prefix string
+		if messageErr == nil {
+			isCarbon = c.isCarbonsEnabled() && message.IsOutgoing
+			// reply correction support in clients is suboptimal yet, so cut them out for now
+			prefix, _ = c.messageToPrefix(message, "", "", true)
+		} else {
+			log.Errorf("No message %v/%v found, cannot reliably determine if it's a carbon", update.ChatId, update.MessageId)
+		}
+
+		var text strings.Builder
+
+		if replaceId == "" {
+			var editChar string
+			if c.Session.AsciiArrows {
+				editChar = "e"
+			} else {
+				editChar = "✎"
+			}
+			text.WriteString(fmt.Sprintf("%s %v | ", editChar, update.MessageId))
+		} else if prefix != "" {
+			text.WriteString(prefix)
+			text.WriteString(c.getPrefixSeparator(update.ChatId))
+		}
+
+		text.WriteString(formatter.Format(
 			textContent.Text.Text,
 			textContent.Text.Entities,
 			markupFunction,
 		))
+
+		sChatId := strconv.FormatInt(update.ChatId, 10)
 		for _, jid := range jids {
-			gateway.SendMessage(jid, strconv.FormatInt(update.ChatId, 10), text, "e"+strconv.FormatInt(update.MessageId, 10), c.xmpp, nil, 0, false, false, "")
+			gateway.SendMessage(jid, sChatId, text.String(), "e"+sId, c.xmpp, nil, replaceId, isCarbon, false)
 		}
 	}
 }
@ -280,6 +360,10 @@ func (c *Client) updateMessageContent(update *client.UpdateMessageContent) {
 // message(s) deleted
 func (c *Client) updateDeleteMessages(update *client.UpdateDeleteMessages) {
 	if update.IsPermanent {
+		if c.Session.IsChatIgnored(update.ChatId) {
+			return
+		}
+
 		var deleteChar string
 		if c.Session.AsciiArrows {
 			deleteChar = "X "
@ -301,19 +385,25 @@ func (c *Client) updateAuthorizationState(update *client.UpdateAuthorizationStat
 	}
 }

-// clean uploaded files
 func (c *Client) updateMessageSendSucceeded(update *client.UpdateMessageSendSucceeded) {
+	// replace message ID in local database
 	log.Debugf("replace message %v with %v", update.OldMessageId, update.Message.Id)
 	if err := gateway.IdsDB.ReplaceTgId(c.Session.Login, c.jid, update.Message.ChatId, update.OldMessageId, update.Message.Id); err != nil {
 		log.Errorf("failed to replace %v with %v: %v", update.OldMessageId, update.Message.Id, err.Error())
 	}

+	c.updateLastMessageHash(update.Message.ChatId, update.Message.Id, update.Message.Content)
+
+	c.sendMarker(update.Message.ChatId, update.Message.Id, gateway.MarkerTypeReceived)
+
+	// clean uploaded files
 	file, _ := c.contentToFile(update.Message.Content)
 	if file != nil && file.Local != nil {
 		c.cleanTempFile(file.Local.Path)
 	}
 }
 func (c *Client) updateMessageSendFailed(update *client.UpdateMessageSendFailed) {
+	// clean uploaded files
 	file, _ := c.contentToFile(update.Message.Content)
 	if file != nil && file.Local != nil {
 		c.cleanTempFile(file.Local.Path)
@ -322,14 +412,10 @@ func (c *Client) updateMessageSendFailed(update *client.UpdateMessageSendFailed)

 // chat title changed
 func (c *Client) updateChatTitle(update *client.UpdateChatTitle) {
-	chat, user, _ := c.GetContactByID(update.ChatId, nil)
-	if c.Session.MUC && c.IsGroup(chat) {
-		return
-	}
-
 	gateway.SetNickname(c.jid, strconv.FormatInt(update.ChatId, 10), update.Title, c.xmpp)

 	// set also the status (for group chats only)
+	chat, user, _ := c.GetContactByID(update.ChatId, nil)
 	if user == nil {
 		c.ProcessStatusUpdate(update.ChatId, update.Title, "chat", gateway.SPImmed(true))
 	}
@ -339,3 +425,7 @@ func (c *Client) updateChatTitle(update *client.UpdateChatTitle) {
 		chat.Title = update.Title
 	}
 }
+
+func (c *Client) updateChatReadOutbox(update *client.UpdateChatReadOutbox) {
+	c.sendMarker(update.ChatId, update.LastReadOutboxMessageId, gateway.MarkerTypeDisplayed)
+}
--- a/telegram/utils.go
+++ b/telegram/utils.go
--- a/telegram/utils_test.go
+++ b/telegram/utils_test.go
@ -431,20 +431,17 @@ func TestMessageToPrefix1(t *testing.T) {
 		Id:         42,
 		IsOutgoing: true,
 		ForwardInfo: &client.MessageForwardInfo{
-			Origin: &client.MessageForwardOriginHiddenUser{
+			Origin: &client.MessageOriginHiddenUser{
 				SenderName: "ziz",
 			},
 		},
 	}
-	prefix, replyStart, replyEnd := (&Client{Session: &persistence.Session{}}).messageToPrefix(&message, "", "", nil)
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{}}).messageToPrefix(&message, "", "", false)
 	if prefix != "➡ 42 | fwd: ziz" {
 		t.Errorf("Wrong prefix: %v", prefix)
 	}
-	if replyStart != 0 {
-		t.Errorf("Wrong replyStart: %v", replyStart)
-	}
-	if replyEnd != 0 {
-		t.Errorf("Wrong replyEnd: %v", replyEnd)
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
 }

@ -452,20 +449,17 @@ func TestMessageToPrefix2(t *testing.T) {
 	message := client.Message{
 		Id: 56,
 		ForwardInfo: &client.MessageForwardInfo{
-			Origin: &client.MessageForwardOriginChannel{
+			Origin: &client.MessageOriginChannel{
 				AuthorSignature: "zaz",
 			},
 		},
 	}
-	prefix, replyStart, replyEnd := (&Client{Session: &persistence.Session{}}).messageToPrefix(&message, "y.jpg", "", nil)
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{}}).messageToPrefix(&message, "y.jpg", "", false)
 	if prefix != "⬅ 56 | fwd:  (zaz) | preview: y.jpg" {
 		t.Errorf("Wrong prefix: %v", prefix)
 	}
-	if replyStart != 0 {
-		t.Errorf("Wrong replyStart: %v", replyStart)
-	}
-	if replyEnd != 0 {
-		t.Errorf("Wrong replyEnd: %v", replyEnd)
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
 }

@ -473,20 +467,17 @@ func TestMessageToPrefix3(t *testing.T) {
 	message := client.Message{
 		Id: 56,
 		ForwardInfo: &client.MessageForwardInfo{
-			Origin: &client.MessageForwardOriginChannel{
+			Origin: &client.MessageOriginChannel{
 				AuthorSignature: "zuz",
 			},
 		},
 	}
-	prefix, replyStart, replyEnd := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "a.jpg", nil)
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "a.jpg", false)
 	if prefix != "< 56 | fwd:  (zuz) | file: a.jpg" {
 		t.Errorf("Wrong prefix: %v", prefix)
 	}
-	if replyStart != 0 {
-		t.Errorf("Wrong replyStart: %v", replyStart)
-	}
-	if replyEnd != 0 {
-		t.Errorf("Wrong replyEnd: %v", replyEnd)
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
 }

@ -495,15 +486,12 @@ func TestMessageToPrefix4(t *testing.T) {
 		Id:         23,
 		IsOutgoing: true,
 	}
-	prefix, replyStart, replyEnd := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "", nil)
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "", false)
 	if prefix != "> 23" {
 		t.Errorf("Wrong prefix: %v", prefix)
 	}
-	if replyStart != 0 {
-		t.Errorf("Wrong replyStart: %v", replyStart)
-	}
-	if replyEnd != 0 {
-		t.Errorf("Wrong replyEnd: %v", replyEnd)
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
 }

@ -511,46 +499,95 @@ func TestMessageToPrefix5(t *testing.T) {
 	message := client.Message{
 		Id: 560,
 		ForwardInfo: &client.MessageForwardInfo{
-			Origin: &client.MessageForwardOriginChat{
+			Origin: &client.MessageOriginChat{
 				AuthorSignature: "zyz",
 			},
 		},
 	}
-	prefix, replyStart, replyEnd := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "h.jpg", "a.jpg", nil)
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "h.jpg", "a.jpg", false)
 	if prefix != "< 560 | fwd:  (zyz) | preview: h.jpg | file: a.jpg" {
 		t.Errorf("Wrong prefix: %v", prefix)
 	}
-	if replyStart != 0 {
-		t.Errorf("Wrong replyStart: %v", replyStart)
-	}
-	if replyEnd != 0 {
-		t.Errorf("Wrong replyEnd: %v", replyEnd)
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
 }

 func TestMessageToPrefix6(t *testing.T) {
 	message := client.Message{
-		Id:               23,
-		IsOutgoing:       true,
-		ReplyToMessageId: 42,
-	}
-	reply := client.Message{
-		Id: 42,
-		Content: &client.MessageText{
-			Text: &client.FormattedText{
-				Text: "tist",
+		Id:         23,
+		ChatId:     25,
+		IsOutgoing: true,
+		ReplyTo: &client.MessageReplyToMessage{
+			ChatId: 41,
+			Quote: &client.TextQuote{
+				Text: &client.FormattedText{
+					Text: "tist\nuz\niz",
+				},
+			},
+			Origin: &client.MessageOriginHiddenUser{
+				SenderName: "ziz",
 			},
 		},
 	}
-	prefix, replyStart, replyEnd := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "", &reply)
-	if prefix != "> 23 | reply: 42 |  | tist" {
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "", false)
+	if prefix != "> 23 | reply: ziz @ unknown contact: TDlib instance is offline | tist uz iz" {
 		t.Errorf("Wrong prefix: %v", prefix)
 	}
-	if replyStart != 4 {
-		t.Errorf("Wrong replyStart: %v", replyStart)
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
-	if replyEnd != 26 {
-		t.Errorf("Wrong replyEnd: %v", replyEnd)
+}
+
+func TestMessageToPrefix7(t *testing.T) {
+	message := client.Message{
+		Id:         23,
+		ChatId:     42,
+		IsOutgoing: true,
+		ReplyTo: &client.MessageReplyToMessage{
+			ChatId: 41,
+			Content: &client.MessageText{
+				Text: &client.FormattedText{
+					Text: "tist",
+				},
+			},
+			Origin: &client.MessageOriginChannel{
+				AuthorSignature: "zaz",
+			},
+		},
+	}
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "", false)
+	if prefix != "> 23 | reply:  (zaz) @ unknown contact: TDlib instance is offline | tist" {
+		t.Errorf("Wrong prefix: %v", prefix)
+	}
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
+	}
+}
+
+func TestMessageToPrefix8(t *testing.T) {
+	message := client.Message{
+		Id:         23,
+		ChatId:     42,
+		IsOutgoing: true,
+		ReplyTo: &client.MessageReplyToMessage{
+			ChatId: 41,
+			Content: &client.MessageText{
+				Text: &client.FormattedText{
+					Text: "tist",
+				},
+			},
+			Origin: &client.MessageOriginChannel{
+				AuthorSignature: "zuz",
+			},
+		},
+	}
+	prefix, gatewayReply := (&Client{Session: &persistence.Session{AsciiArrows: true}}).messageToPrefix(&message, "", "", true)
+	if prefix != "> 23" {
+		t.Errorf("Wrong prefix: %v", prefix)
+	}
+	if gatewayReply != nil {
+		t.Errorf("Reply is not nil: %v", gatewayReply)
 	}
 }

--- a/xmpp/extensions/extensions.go
+++ b/xmpp/extensions/extensions.go
@ -213,60 +213,6 @@ type QueryRegisterRemove struct {
 	XMLName xml.Name `xml:"remove"`
 }

-// PresenceXMucUserExtension is from XEP-0045
-type PresenceXMucUserExtension struct {
-	XMLName  xml.Name               `xml:"http://jabber.org/protocol/muc#user x"`
-	Item     PresenceXMucUserItem
-	Statuses []PresenceXMucUserStatus
-}
-
-// PresenceXMucUserItem is from XEP-0045
-type PresenceXMucUserItem struct {
-	XMLName     xml.Name `xml:"item"`
-	Affiliation	string   `xml:"affiliation,attr"`
-	Jid         string   `xml:"jid,attr"`
-	Nick        string   `xml:"nick,attr,omitempty"`
-	Role       	string   `xml:"role,attr"`
-}
-
-// PresenceXMucUserStatus is from XEP-0045
-type PresenceXMucUserStatus struct {
-	XMLName xml.Name `xml:"status"`
-	Code    uint16   `xml:"code,attr"`
-}
-
-// MessageDelay is from XEP-0203
-type MessageDelay struct {
-	XMLName xml.Name `xml:"urn:xmpp:delay delay"`
-	From    string   `xml:"from,attr"`
-	Stamp   string   `xml:"stamp,attr"`
-}
-
-// MessageDelayLegacy is from XEP-0203
-type MessageDelayLegacy struct {
-	XMLName xml.Name `xml:"jabber:x:delay x"`
-	From    string   `xml:"from,attr"`
-	Stamp   string   `xml:"stamp,attr"`
-}
-
-// MessageAddresses is from XEP-0033
-type MessageAddresses struct {
-	XMLName   xml.Name  `xml:"http://jabber.org/protocol/address addresses"`
-	Addresses []MessageAddress
-}
-
-// MessageAddress is from XEP-0033
-type MessageAddress struct {
-	XMLName xml.Name `xml:"address"`
-	Type    string   `xml:"type,attr"`
-	Jid     string   `xml:"jid,attr"`
-}
-
-// EmptySubject is a dummy for MUCs to circumvent omitempty. Not registered as it would conflict with Subject field
-type EmptySubject struct {
-	XMLName xml.Name `xml:"subject"`
-}
-
 // Namespace is a namespace!
 func (c PresenceNickExtension) Namespace() string {
 	return c.XMLName.Space
@ -332,21 +278,6 @@ func (c QueryRegister) GetSet() *stanza.ResultSet {
 	return c.ResultSet
 }

-// Namespace is a namespace!
-func (c PresenceXMucUserExtension) Namespace() string {
-	return c.XMLName.Space
-}
-
-// Namespace is a namespace!
-func (c MessageDelay) Namespace() string {
-	return c.XMLName.Space
-}
-
-// Namespace is a namespace!
-func (c MessageDelayLegacy) Namespace() string {
-	return c.XMLName.Space
-}
-
 // Name is a packet name
 func (ClientMessage) Name() string {
 	return "message"
@ -431,28 +362,4 @@ func init() {
 		"jabber:iq:register",
 		"query",
 	}, QueryRegister{})
-
-	// presence muc user
-	stanza.TypeRegistry.MapExtension(stanza.PKTPresence, xml.Name{
-		"http://jabber.org/protocol/muc#user",
-		"x",
-	}, PresenceXMucUserExtension{})
-
-	// message delay
-	stanza.TypeRegistry.MapExtension(stanza.PKTMessage, xml.Name{
-		"urn:xmpp:delay",
-		"delay",
-	}, MessageDelay{})
-
-	// legacy message delay
-	stanza.TypeRegistry.MapExtension(stanza.PKTMessage, xml.Name{
-		"jabber:x:delay",
-		"x",
-	}, MessageDelayLegacy{})
-
-	// message addresses
-	stanza.TypeRegistry.MapExtension(stanza.PKTMessage, xml.Name{
-		"http://jabber.org/protocol/address",
-		"addresses",
-	}, MessageAddresses{})
 }
--- a/xmpp/gateway/gateway.go
+++ b/xmpp/gateway/gateway.go
@ -3,13 +3,14 @@ package gateway
 import (
 	"encoding/xml"
 	"github.com/pkg/errors"
+	"strconv"
 	"strings"
 	"sync"
-	"time"

 	"dev.narayana.im/narayana/telegabber/badger"
 	"dev.narayana.im/narayana/telegabber/xmpp/extensions"

+	"github.com/google/uuid"
 	log "github.com/sirupsen/logrus"
 	"github.com/soheilhy/args"
 	"gosrc.io/xmpp"
@ -23,6 +24,18 @@ type Reply struct {
 	End    uint64
 }

+type MarkerType byte
+
+const (
+	MarkerTypeReceived MarkerType = iota
+	MarkerTypeDisplayed
+)
+
+type marker struct {
+	Type MarkerType
+	Id   string
+}
+
 const NSNick string = "http://jabber.org/protocol/nick"

 // Queue stores presences to send later
@ -43,41 +56,42 @@ var DirtySessions = false
 var MessageOutgoingPermissionVersion = 0

 // SendMessage creates and sends a message stanza
-func SendMessage(to, from, body, id string, component *xmpp.Component, reply *Reply, timestamp int64, isCarbon, isGroupchat bool, originalFrom string) {
-	sendMessageWrapper(to, from, body, "", "", id, component, reply, timestamp, "", isCarbon, isGroupchat, false, originalFrom, 0)
+func SendMessage(to string, from string, body string, id string, component *xmpp.Component, reply *Reply, replaceId string, isCarbon, requestReceipt bool) {
+	sendMessageWrapper(to, from, body, id, component, reply, nil, "", replaceId, isCarbon, requestReceipt)
 }

 // SendServiceMessage creates and sends a simple message stanza from transport
-func SendServiceMessage(to, body string, component *xmpp.Component) {
-	sendMessageWrapper(to, "", body, "", "", "", component, nil, 0, "", false, false, false, "", 0)
+func SendServiceMessage(to string, body string, component *xmpp.Component) {
+	var id string
+	if uuid, err := uuid.NewRandom(); err == nil {
+		id = uuid.String()
+	}
+	sendMessageWrapper(to, "", body, id, component, nil, nil, "", "", false, false)
 }

 // SendTextMessage creates and sends a simple message stanza
-func SendTextMessage(to, from, body string, component *xmpp.Component) {
-	sendMessageWrapper(to, from, body, "", "", "", component, nil, 0, "", false, false, false, "", 0)
-}
-
-// SendErrorMessage creates and sends an error message stanza
-func SendErrorMessage(to, from, text string, code int, isGroupchat bool, component *xmpp.Component) {
-	sendMessageWrapper(to, from, "", "", text, "", component, nil, 0, "", false, isGroupchat, false, "", code)
-}
-
-// SendErrorMessageWithBody creates and sends an error message stanza with body payload
-func SendErrorMessageWithBody(to, from, body, errorText, id string, code int, isGroupchat bool, component *xmpp.Component) {
-	sendMessageWrapper(to, from, body, "", errorText, id, component, nil, 0, "", false, isGroupchat, false, "", code)
+func SendTextMessage(to string, from string, body string, component *xmpp.Component) {
+	var id string
+	if uuid, err := uuid.NewRandom(); err == nil {
+		id = uuid.String()
+	}
+	sendMessageWrapper(to, from, body, id, component, nil, nil, "", "", false, false)
 }

 // SendMessageWithOOB creates and sends a message stanza with OOB URL
-func SendMessageWithOOB(to, from, body, id string, component *xmpp.Component, reply *Reply, timestamp int64, oob string, isCarbon, isGroupchat bool, originalFrom string) {
-	sendMessageWrapper(to, from, body, "", "", id, component, reply, timestamp, oob, isCarbon, isGroupchat, false, originalFrom, 0)
+func SendMessageWithOOB(to string, from string, body string, id string, component *xmpp.Component, reply *Reply, oob, replaceId string, isCarbon, requestReceipt bool) {
+	sendMessageWrapper(to, from, body, id, component, reply, nil, oob, replaceId, isCarbon, requestReceipt)
 }

-// SendSubjectMessage creates and sends a MUC subject
-func SendSubjectMessage(to, from, subject, id string, component *xmpp.Component, timestamp int64) {
-	sendMessageWrapper(to, from, "", subject, "", id, component, nil, timestamp, "", false, true, true, "", 0)
+// SendMessageMarker creates and sends a message stanza with a XEP-0333 marker
+func SendMessageMarker(to string, from string, component *xmpp.Component, markerType MarkerType, markerId string) {
+	sendMessageWrapper(to, from, "", "", component, nil, &marker{
+		Type: markerType,
+		Id:   markerId,
+	}, "", "", false, false)
 }

-func sendMessageWrapper(to, from, body, subject, errorText, id string, component *xmpp.Component, reply *Reply, timestamp int64, oob string, isCarbon, isGroupchat, forceSubject bool, originalFrom string, errorCode int) {
+func sendMessageWrapper(to string, from string, body string, id string, component *xmpp.Component, reply *Reply, marker *marker, oob, replaceId string, isCarbon, requestReceipt bool) {
 	toJid, err := stanza.NewJid(to)
 	if err != nil {
 		log.WithFields(log.Fields{
@ -92,17 +106,12 @@ func sendMessageWrapper(to, from, body, subject, errorText, id string, component
 	var logFrom string
 	var messageFrom string
 	var messageTo string
-	if isGroupchat {
-		logFrom = from
-		messageFrom = from
+	if from == "" {
+		logFrom = componentJid
+		messageFrom = componentJid
 	} else {
-		if from == "" {
-			logFrom = componentJid
-			messageFrom = componentJid
-		} else {
-			logFrom = from
-			messageFrom = from + "@" + componentJid
-		}
+		logFrom = from
+		messageFrom = from + "@" + componentJid
 	}
 	if isCarbon {
 		messageTo = messageFrom
@ -116,51 +125,14 @@ func sendMessageWrapper(to, from, body, subject, errorText, id string, component
 		"to":   to,
 	}).Warn("Got message")

-	var messageType stanza.StanzaType
-	if errorCode != 0 {
-		messageType = stanza.MessageTypeError
-	} else if isGroupchat {
-		messageType = stanza.MessageTypeGroupchat
-	} else {
-		messageType = stanza.MessageTypeChat
-	}
-
 	message := stanza.Message{
 		Attrs: stanza.Attrs{
 			From: messageFrom,
 			To:   messageTo,
-			Type: messageType,
+			Type: "chat",
 			Id:   id,
 		},
-		Subject: subject,
-		Body:    body,
-	}
-	if errorCode != 0 {
-		message.Error = stanza.Err{
-			Code: errorCode,
-			Text: errorText,
-		}
-		switch errorCode {
-		case 400:
-			message.Error.Type = stanza.ErrorTypeModify
-			message.Error.Reason = "bad-request"
-		case 403:
-			message.Error.Type = stanza.ErrorTypeAuth
-			message.Error.Reason = "forbidden"
-		case 404:
-			message.Error.Type = stanza.ErrorTypeCancel
-			message.Error.Reason = "item-not-found"
-		case 406:
-			message.Error.Type = stanza.ErrorTypeModify
-			message.Error.Reason = "not-acceptable"
-		case 500:
-			message.Error.Type = stanza.ErrorTypeWait
-			message.Error.Reason = "internal-server-error"
-		default:
-			log.Error("Unknown error code, falling back with empty reason")
-			message.Error.Type = stanza.ErrorTypeCancel
-			message.Error.Reason = "undefined-condition"
-		}
+		Body: body,
 	}

 	if oob != "" {
@ -177,35 +149,22 @@ func sendMessageWrapper(to, from, body, subject, errorText, id string, component
 			message.Extensions = append(message.Extensions, extensions.NewReplyFallback(reply.Start, reply.End))
 		}
 	}
-	if !isGroupchat && !isCarbon && toJid.Resource != "" {
+	if marker != nil {
+		if marker.Type == MarkerTypeReceived {
+			message.Extensions = append(message.Extensions, stanza.MarkReceived{ID: marker.Id})
+		} else if marker.Type == MarkerTypeDisplayed {
+			message.Extensions = append(message.Extensions, stanza.MarkDisplayed{ID: marker.Id})
+			message.Extensions = append(message.Extensions, stanza.ReceiptReceived{ID: marker.Id})
+		}
+	}
+	if !isCarbon && toJid.Resource != "" {
 		message.Extensions = append(message.Extensions, stanza.HintNoCopy{})
 	}
-	if timestamp != 0 {
-		var delayFrom string
-		if isGroupchat {
-			delayFrom, _, _ = SplitJID(from)
-		}
-		message.Extensions = append(message.Extensions, extensions.MessageDelay{
-			From:  delayFrom,
-			Stamp: time.Unix(timestamp, 0).UTC().Format(time.RFC3339),
-		})
-		message.Extensions = append(message.Extensions, extensions.MessageDelayLegacy{
-			From:  delayFrom,
-			Stamp: time.Unix(timestamp, 0).UTC().Format("20060102T15:04:05"),
-		})
+	if requestReceipt {
+		message.Extensions = append(message.Extensions, stanza.Markable{})
 	}
-	if originalFrom != "" {
-		message.Extensions = append(message.Extensions, extensions.MessageAddresses{
-			Addresses: []extensions.MessageAddress{
-				extensions.MessageAddress{
-					Type: "ofrom",
-					Jid:  originalFrom,
-				},
-			},
-		})
-	}
-	if subject == "" && forceSubject {
-		message.Extensions = append(message.Extensions, extensions.EmptySubject{})
+	if replaceId != "" {
+		message.Extensions = append(message.Extensions, extensions.Replace{Id: replaceId})
 	}

 	if isCarbon {
@ -213,7 +172,7 @@ func sendMessageWrapper(to, from, body, subject, errorText, id string, component
 			Attrs: stanza.Attrs{
 				From: bareTo,
 				To:   to,
-				Type: messageType,
+				Type: "chat",
 			},
 		}
 		carbonMessage.Extensions = append(carbonMessage.Extensions, extensions.CarbonSent{
@ -325,18 +284,6 @@ var SPResource = args.NewString()
 // SPImmed skips queueing
 var SPImmed = args.NewBool(args.Default(true))

-// SPMUCAffiliation is a XEP-0045 MUC affiliation
-var SPMUCAffiliation = args.NewString()
-
-// SPMUCNick is a XEP-0045 MUC user nick
-var SPMUCNick = args.NewString()
-
-// SPMUCJid is a real jid of a MUC member
-var SPMUCJid = args.NewString()
-
-// SPMUCStatusCodes is a set of XEP-0045 MUC status codes
-var SPMUCStatusCodes = args.New()
-
 func newPresence(bareJid string, to string, args ...args.V) stanza.Presence {
 	var presenceFrom string
 	if SPFrom.IsSet(args) {
@ -392,32 +339,6 @@ func newPresence(bareJid string, to string, args ...args.V) stanza.Presence {
 			})
 		}
 	}
-	if SPMUCAffiliation.IsSet(args) {
-		affiliation := SPMUCAffiliation.Get(args)
-		if affiliation != "" {
-			userExt := extensions.PresenceXMucUserExtension{
-				Item: extensions.PresenceXMucUserItem{
-					Affiliation: affiliation,
-					Role:        affilationToRole(affiliation),
-				},
-			}
-			if SPMUCNick.IsSet(args) {
-				userExt.Item.Nick = SPMUCNick.Get(args)
-			}
-			if SPMUCJid.IsSet(args) {
-				userExt.Item.Jid = SPMUCJid.Get(args)
-			}
-			if SPMUCStatusCodes.IsSet(args) {
-				statusCodes := SPMUCStatusCodes.Get(args).([]uint16)
-				for _, statusCode := range statusCodes {
-					userExt.Statuses = append(userExt.Statuses, extensions.PresenceXMucUserStatus{
-						Code: statusCode,
-					})
-				}
-			}
-			presence.Extensions = append(presence.Extensions, userExt)
-		}
-	}

 	return presence
 }
@ -466,6 +387,20 @@ func SendPresence(component *xmpp.Component, to string, args ...args.V) error {
 	return nil
 }

+// SPAppendFrom appends numeric from and resource to varargs
+func SPAppendFrom(oldArgs []args.V, id int64) []args.V {
+	newArgs := append(oldArgs, SPFrom(strconv.FormatInt(id, 10)))
+	newArgs = append(newArgs, SPResource(Jid.Resource))
+	return newArgs
+}
+
+// SimplePresence crafts simple presence varargs
+func SimplePresence(from int64, typ string) []args.V {
+	args := []args.V{SPType(typ)}
+	args = SPAppendFrom(args, from)
+	return args
+}
+
 // ResumableSend tries to resume the connection once and sends the packet again
 func ResumableSend(component *xmpp.Component, packet stanza.Packet) error {
 	err := component.Send(packet)
@ -500,13 +435,3 @@ func SplitJID(from string) (string, string, bool) {
 	}
 	return fromJid.Bare(), fromJid.Resource, true
 }
-
-func affilationToRole(affilation string) string {
-	switch affilation {
-	case "owner", "admin":
-		return "moderator"
-	case "member":
-		return "participant"
-	}
-	return "none"
-}
--- a/xmpp/handlers.go
+++ b/xmpp/handlers.go
@ -27,12 +27,6 @@ const (
 )
 const NodeVCard4 string = "urn:xmpp:vcard4"

-type discoType int
-const (
-	discoTypeInfo discoType = iota
-	discoTypeItems
-)
-
 func logPacketType(p stanza.Packet) {
 	log.Warnf("Ignoring packet: %T\n", p)
 }
@ -61,12 +55,12 @@ func HandleIq(s xmpp.Sender, p stanza.Packet) {
 		}
 		_, ok = iq.Payload.(*stanza.DiscoInfo)
 		if ok {
-			go handleGetDisco(discoTypeInfo, s, iq)
+			go handleGetDiscoInfo(s, iq)
 			return
 		}
 		_, ok = iq.Payload.(*stanza.DiscoItems)
 		if ok {
-			go handleGetDisco(discoTypeItems, s, iq)
+			go handleGetDiscoItems(s, iq)
 			return
 		}
 		_, ok = iq.Payload.(*extensions.QueryRegister)
@ -123,26 +117,6 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {

 		toID, ok := toToID(msg.To)
 		if ok {
-			toJid, err := stanza.NewJid(msg.To)
-			if err != nil {
-				log.Error("Invalid to JID!")
-				return
-			}
-
-			isGroupchat := msg.Type == "groupchat"
-
-			if session.Session.MUC && toJid.Resource != "" {
-				chat, _, err := session.GetContactByID(toID, nil)
-				if err == nil && session.IsGroup(chat) {
-					if isGroupchat {
-						gateway.SendErrorMessageWithBody(msg.From, msg.To, msg.Body, "", msg.Id, 400, true, component)
-					} else {
-						gateway.SendErrorMessage(msg.From, msg.To, "PMing room members is not supported, use the real JID", 406, true, component)
-					}
-					return
-				}
-			}
-
 			var reply extensions.Reply
 			var fallback extensions.Fallback
 			var replace extensions.Replace
@ -154,6 +128,7 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {
 			log.Debugf("replace: %#v", replace)

 			var replyId int64
+			var err error
 			text := msg.Body
 			if len(reply.Id) > 0 {
 				chatId, msgId, err := gateway.IdsDB.GetByXmppId(session.Session.Login, bare, reply.Id)
@ -216,33 +191,24 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {

 			session.SendMessageLock.Lock()
 			defer session.SendMessageLock.Unlock()
-			tgMessage := session.ProcessOutgoingMessage(toID, text, msg.From, replyId, replaceId, isGroupchat)
-			if tgMessage != nil {
+			tgMessageId := session.ProcessOutgoingMessage(toID, text, msg.From, replyId, replaceId)
+			if tgMessageId != 0 {
 				if replaceId != 0 {
 					// not needed (is it persistent among clients though?)
 					/* err = gateway.IdsDB.ReplaceIdPair(session.Session.Login, bare, replace.Id, msg.Id, tgMessageId)
 					if err != nil {
 						log.Errorf("Failed to replace id %v with %v %v", replace.Id, msg.Id, tgMessageId)
 					} */
-					session.AddToOutbox(replace.Id, resource)
+					session.AddToEditOutbox(replace.Id, resource)
 				} else {
-					err = gateway.IdsDB.Set(session.Session.Login, bare, toID, tgMessage.Id, msg.Id)
-					if err != nil {
-						log.Errorf("Failed to save ids %v/%v %v", toID, tgMessage.Id, msg.Id)
+					err = gateway.IdsDB.Set(session.Session.Login, bare, toID, tgMessageId, msg.Id)
+					if err == nil {
+						// session.AddToOutbox(msg.Id, resource)
+						session.UpdateLastChatMessageId(toID, msg.Id)
+					} else {
+						log.Errorf("Failed to save ids %v/%v %v", toID, tgMessageId, msg.Id)
 					}
 				}
-
-				// pong groupchat messages back
-				if isGroupchat && toJid.Resource == "" {
-					session.SendMessageToGateway(
-						toID,
-						tgMessage,
-						msg.Id,
-						false,
-						msg.To + "/" + session.GetMUCNickname(session.GetSenderId(tgMessage)),
-						[]string{msg.From},
-					)
-				}
 			} else {
 				/*
 					// if a message failed to edit on Telegram side, match new XMPP ID with old Telegram ID anyway
@ -289,6 +255,30 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {
 				gateway.MessageOutgoingPermissionVersion = 2
 			}
 		}
+
+		var displayed stanza.MarkDisplayed
+		msg.Get(&displayed)
+		if displayed.ID != "" {
+			log.Debugf("displayed: %#v", displayed)
+
+			bare, _, ok := gateway.SplitJID(msg.From)
+			if !ok {
+				return
+			}
+			session, ok := sessions[bare]
+			if !ok {
+				return
+			}
+			toID, ok := toToID(msg.To)
+			if !ok {
+				return
+			}
+			msgId, err := strconv.ParseInt(displayed.ID, 10, 64)
+			if err == nil {
+				session.MarkAsRead(toID, msgId)
+			}
+			return
+		}
 	}

 	if msg.Type == "error" {
@ -318,15 +308,7 @@ func HandlePresence(s xmpp.Sender, p stanza.Packet) {
 	}
 	if prs.To == gateway.Jid.Bare() {
 		handlePresence(s, prs)
-		return
 	}
-	var mucExt stanza.MucPresence
-	prs.Get(&mucExt)
-	if mucExt.XMLName.Space != "" {
-		handleMUCPresence(s, prs, mucExt)
-		return
-	}
-	tryHandleMUCNicknameChange(s, prs)
 }

 func handleSubscription(s xmpp.Sender, p stanza.Presence) {
@ -436,141 +418,6 @@ func handlePresence(s xmpp.Sender, p stanza.Presence) {
 	}
 }

-func handleMUCPresence(s xmpp.Sender, p stanza.Presence, mucExt stanza.MucPresence) {
-	log.WithFields(log.Fields{
-		"type": p.Type,
-		"from": p.From,
-		"to":   p.To,
-	}).Warn("MUC presence")
-	log.Debugf("%#v", p)
-
-	if p.Type == "" {
-		toBare, nickname, ok := gateway.SplitJID(p.To)
-		if ok {
-			component, ok := s.(*xmpp.Component)
-			if !ok {
-				log.Error("Not a component")
-				return
-			}
-
-			// separate declaration is crucial for passing as pointer to defer
-			var reply *stanza.Presence
-			reply = &stanza.Presence{Attrs: stanza.Attrs{
-				From: toBare,
-				To:   p.From,
-				Id:   p.Id,
-			}}
-			defer gateway.ResumableSend(component, reply)
-
-			if nickname == "" {
-				presenceReplySetError(reply, 400)
-				return
-			}
-
-			chatId, ok := toToID(toBare)
-			if !ok {
-				presenceReplySetError(reply, 404)
-				return
-			}
-
-			fromBare, fromResource, ok := gateway.SplitJID(p.From)
-			if !ok {
-				presenceReplySetError(reply, 400)
-				return
-			}
-
-			session, ok := sessions[fromBare]
-			if !ok || !session.Session.MUC {
-				presenceReplySetError(reply, 407)
-				return
-			}
-
-			chat, _, err := session.GetContactByID(chatId, nil)
-			if err != nil || !session.IsGroup(chat) {
-				presenceReplySetError(reply, 404)
-				return
-			}
-
-			limit, ok := mucExt.History.MaxStanzas.Get()
-			if !ok {
-				limit = 20
-			}
-			session.JoinMUC(chatId, fromResource, int32(limit))
-		}
-	}
-}
-
-func tryHandleMUCNicknameChange(s xmpp.Sender, p stanza.Presence) {
-	log.WithFields(log.Fields{
-		"type": p.Type,
-		"from": p.From,
-		"to":   p.To,
-	}).Warn("Nickname change presence?")
-	log.Debugf("%#v", p)
-
-	if p.Type != "" {
-		return
-	}
-
-	toBare, nickname, ok := gateway.SplitJID(p.To)
-	if !ok || nickname == "" {
-		return
-	}
-
-	fromBare, fromResource, ok := gateway.SplitJID(p.From)
-	if !ok {
-		return
-	}
-
-	session, ok := sessions[fromBare]
-	if !ok || !session.Session.MUC {
-		return
-	}
-
-	chatId, ok := toToID(toBare)
-	if !ok {
-		return
-	}
-
-	chat, _, err := session.GetContactByID(chatId, nil)
-	if err != nil || !session.IsGroup(chat) {
-		return
-	}
-
-	if !session.MUCHasResource(chatId, fromResource) {
-		return
-	}
-
-	log.Warn("🗿 Yes")
-
-	component, ok := s.(*xmpp.Component)
-	if !ok {
-		log.Error("Not a component")
-		return
-	}
-
-	from := toBare
-	nickname, ok = session.GetMyMUCNickname(chatId)
-	if ok {
-		from = from+"/"+nickname
-	}
-	reply := &stanza.Presence{
-		Attrs: stanza.Attrs{
-			From:  from,
-			To:    p.From,
-			Id:    p.Id,
-			Type:  stanza.PresenceTypeError,
-		},
-		Error: stanza.Err{
-			Code:   406,
-			Type:   stanza.ErrorTypeModify,
-			Reason: "not-acceptable",
-			Text:   "Telegram does not support changing nicknames per-chat. Issue a /setname command to the transport if you wish to change the global name",
-		},
-	}
-	gateway.ResumableSend(component, reply)
-}
-
 func handleGetVcardIq(s xmpp.Sender, iq *stanza.IQ, typ byte) {
 	log.WithFields(log.Fields{
 		"from": iq.From,
@ -621,7 +468,7 @@ func handleGetVcardIq(s xmpp.Sender, iq *stanza.IQ, typ byte) {
 	_ = gateway.ResumableSend(component, &answer)
 }

-func handleGetDisco(dt discoType, s xmpp.Sender, iq *stanza.IQ) {
+func handleGetDiscoInfo(s xmpp.Sender, iq *stanza.IQ) {
 	answer, err := stanza.NewIQ(stanza.Attrs{
 		Type: stanza.IQTypeResult,
 		From: iq.To,
@ -634,90 +481,17 @@ func handleGetDisco(dt discoType, s xmpp.Sender, iq *stanza.IQ) {
 		return
 	}

-	if dt == discoTypeInfo {
-		disco := answer.DiscoInfo()
-		toID, toOk := toToID(iq.To)
-		if !toOk {
-			disco.AddIdentity("Telegram Gateway", "gateway", "telegram")
-			disco.AddFeatures("jabber:iq:register")
-		}
-
-		var isMuc bool
-		bare, _, fromOk := gateway.SplitJID(iq.From)
-		if fromOk {
-			session, sessionOk := sessions[bare]
-			if sessionOk && session.Session.MUC {
-				if toOk {
-					chat, _, err := session.GetContactByID(toID, nil)
-					if err == nil && session.IsGroup(chat) {
-						isMuc = true
-						disco.AddIdentity(chat.Title, "conference", "text")
-
-						disco.AddFeatures(
-							"http://jabber.org/protocol/muc",
-							"muc_persistent",
-							"muc_hidden",
-							"muc_membersonly",
-							"muc_unmoderated",
-							"muc_nonanonymous",
-							"muc_unsecured",
-							"http://jabber.org/protocol/muc#stable_id",
-						)
-						fields := []*stanza.Field{
-							&stanza.Field{
-								Var:        "FORM_TYPE",
-								Type:       "hidden",
-								ValuesList: []string{"http://jabber.org/protocol/muc#roominfo"},
-							},
-							&stanza.Field{
-								Var:        "muc#roominfo_description",
-								Label:      "Description",
-								ValuesList: []string{session.GetChatDescription(chat)},
-							},
-							&stanza.Field{
-								Var:        "muc#roominfo_occupants",
-								Label:      "Number of occupants",
-								ValuesList: []string{strconv.FormatInt(int64(session.GetChatMemberCount(chat)), 10)},
-							},
-						}
-
-						disco.Form = stanza.NewForm(fields, "result")
-					}
-				} else {
-					disco.AddFeatures(
-						stanza.NSDiscoItems,
-						"http://jabber.org/protocol/muc#stable_id",
-					)
-					disco.AddIdentity("Telegram group chats", "conference", "text")
-				}
-			}
-		}
-		if toOk && !isMuc {
-			disco.AddIdentity("", "account", "registered")
-		}
-		answer.Payload = disco
-	} else if dt == discoTypeItems {
-		disco := answer.DiscoItems()
-
-		_, ok := toToID(iq.To)
-		if !ok {
-			bare, _, ok := gateway.SplitJID(iq.From)
-			if ok {
-				// raw access, no need to create a new instance if not connected
-				session, ok := sessions[bare]
-				if ok && session.Session.MUC {
-					bareJid := gateway.Jid.Bare()
-					disco.AddItem(bareJid, "", "Telegram group chats")
-					for _, chat := range session.GetGroupChats() {
-						jid := strconv.FormatInt(chat.Id, 10) + "@" + bareJid
-						disco.AddItem(jid, "", chat.Title)
-					}
-				}
-			}
-		}
-
-		answer.Payload = disco
+	disco := answer.DiscoInfo()
+	_, ok := toToID(iq.To)
+	if ok {
+		disco.AddIdentity("", "account", "registered")
+		disco.AddFeatures(stanza.NSMsgChatMarkers)
+		disco.AddFeatures(stanza.NSMsgReceipts)
+	} else {
+		disco.AddIdentity("Telegram Gateway", "gateway", "telegram")
+		disco.AddFeatures("jabber:iq:register")
 	}
+	answer.Payload = disco

 	log.Debugf("%#v", answer)

@ -730,6 +504,30 @@ func handleGetDisco(dt discoType, s xmpp.Sender, iq *stanza.IQ) {
 	_ = gateway.ResumableSend(component, answer)
 }

+func handleGetDiscoItems(s xmpp.Sender, iq *stanza.IQ) {
+	answer, err := stanza.NewIQ(stanza.Attrs{
+		Type: stanza.IQTypeResult,
+		From: iq.To,
+		To:   iq.From,
+		Id:   iq.Id,
+		Lang: "en",
+	})
+	if err != nil {
+		log.Errorf("Failed to create answer IQ: %v", err)
+		return
+	}
+
+	answer.Payload = answer.DiscoItems()
+
+	component, ok := s.(*xmpp.Component)
+	if !ok {
+		log.Error("Not a component")
+		return
+	}
+
+	_ = gateway.ResumableSend(component, answer)
+}
+
 func handleGetQueryRegister(s xmpp.Sender, iq *stanza.IQ) {
 	component, ok := s.(*xmpp.Component)
 	if !ok {
@ -889,28 +687,6 @@ func iqAnswerSetError(answer *stanza.IQ, payload *extensions.QueryRegister, code
 	}
 }

-func presenceReplySetError(reply *stanza.Presence, code int) {
-	reply.Type = stanza.PresenceTypeError
-	reply.Error = stanza.Err{
-		Code: code,
-	}
-	switch code {
-	case 400:
-		reply.Error.Type = stanza.ErrorTypeModify
-		reply.Error.Reason = "jid-malformed"
-	case 407:
-		reply.Error.Type = stanza.ErrorTypeAuth
-		reply.Error.Reason = "registration-required"
-	case 404:
-		reply.Error.Type = stanza.ErrorTypeCancel
-		reply.Error.Reason = "item-not-found"
-	default:
-		log.Error("Unknown error code, falling back with empty reason")
-		reply.Error.Type = stanza.ErrorTypeCancel
-		reply.Error.Reason = "undefined-condition"
-	}
-}
-
 func toToID(to string) (int64, bool) {
 	toParts := strings.Split(to, "@")
 	if len(toParts) < 2 {
Author	SHA1	Message	Date
Bohdan Horbeshko	af07773b07	Random IDs for service messages	2024-05-10 19:22:53 -04:00
Bohdan Horbeshko	a74e2bcb7d	Mute/unmute whole chats with no arguments	2024-05-05 13:16:38 -04:00
Bohdan Horbeshko	a3f6d5f774	Support nativeedits for rawmessages=false	2024-04-27 00:31:21 -04:00
Bohdan Horbeshko	2459b14948	Version 1.9.2	2024-04-11 22:24:22 -04:00
Bohdan Horbeshko	f15e44436b	Use carbons for non-native edits too	2024-04-11 20:59:49 -04:00
Bohdan Horbeshko	a36856b768	Fix filtering content updates for outgoing messages	2024-04-11 20:37:51 -04:00
Bohdan Horbeshko	b499992148	Fix missing read markers in other XMPP clients than the message sender	2024-04-10 22:17:58 -04:00
Bohdan Horbeshko	144c5724ea	Fix module cache in staging.Dockerfile	2024-04-09 19:09:47 -04:00
Bohdan Horbeshko	3e772be7a6	Add tdlib.Dockerfile	2024-04-09 19:08:37 -04:00
Bohdan Horbeshko	908bd76aac	Add staging.Dockerfile	2024-03-29 07:39:10 -04:00
Bohdan Horbeshko	67c38823f2	Avoid broken state on a failed logout attempt	2024-03-29 07:35:06 -04:00
Bohdan Horbeshko	f56e6ac187	Eliminate edit echos for outgoing messages	2024-01-31 09:27:18 -05:00
Bohdan Horbeshko	20e6d2558e	Version 1.9.0	2024-01-29 05:00:42 -05:00
Bohdan Horbeshko	3a60a1cfaa	Bump Makefile to TDLib commit with the logout fix	2024-01-29 04:50:57 -05:00
Bohdan Horbeshko	ea004b7f7c	Reflect Telegram edits natively by nativeedits option	2024-01-29 04:28:15 -05:00
Bohdan Horbeshko	c141c4ad2b	Fix markable	2024-01-27 06:47:12 -05:00
Bohdan Horbeshko	599cf16cdb	Request and send to Telegram XEP-0333 displayed markers by "receipts" option	2024-01-27 06:13:45 -05:00
Bohdan Horbeshko	81fc3ea370	Also ack with XEP-0184 read receipts for outgoing messages	2024-01-27 03:25:17 -05:00
Bohdan Horbeshko	e37c428c67	XEP-0333 read markers for outgoing messages	2024-01-26 21:02:47 -05:00
Bohdan Horbeshko	b9b6ba14a4	Fix stuck logout	2024-01-24 18:54:25 -05:00
Bohdan Horbeshko	b40ccf4a4d	Fix presences sent with no resource	2024-01-24 18:52:40 -05:00
Bohdan Horbeshko	4532748c84	Support chosen quotes in replies and replies from other chats	2024-01-10 14:30:00 -05:00
Bohdan Horbeshko	f2807779aa	Fix ending braces for PreCode	2023-11-16 08:44:26 -05:00
Bohdan Horbeshko	705cfc1d49	gofmt	2023-11-16 08:06:21 -05:00
Bohdan Horbeshko	dcb802358b	Fix tests	2023-11-16 08:05:23 -05:00
Bohdan Horbeshko	6bd8379114	Support blockquotes in formatter	2023-11-15 19:38:45 -05:00
Bohdan Horbeshko	576acba0d1	Migrate to TDLib 1.8.21	2023-11-11 16:10:23 -05:00
Bohdan Horbeshko	67b8ad57f0	Fix reply length for hrunicode messages	2023-10-29 08:52:33 -04:00