Store message ids in Badger DB

Makefile

@@ -6,7 +6,7 @@ all:
 	go build -ldflags "-X main.commit=${COMMIT}" -o telegabber
 
 test:
-	go test -v ./config ./ ./telegram ./xmpp ./xmpp/gateway ./persistence ./telegram/formatter
+	go test -v ./config ./ ./telegram ./xmpp ./xmpp/gateway ./persistence ./telegram/formatter ./badger
 
 lint:
 	$(GOPATH)/bin/golint ./...

README.md

@@ -75,6 +75,7 @@ It is good idea to obtain Telegram API ID from [**https://my.telegram.org**](htt
 * `--profiling-port=xxxx`: start the pprof server on port `xxxx`. Access is limited to localhost.
 * `--config=/bla/bla/config.yml`: set the config file path (default: `config.yml`).
 * `--schema=/bla/bla/schema.json`: set the schema file path (default: `./config_schema.json`).
+* `--ids=/bla/bla/ids`: set the folder for ids database (default: `ids`).
 
 ### How to receive files from Telegram ###
 

badger/ids.go

@@ -0,0 +1,132 @@
+package badger
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"strconv"
+
+	badger "github.com/dgraph-io/badger/v4"
+	log "github.com/sirupsen/logrus"
+)
+
+// IdsDB represents a Badger database
+type IdsDB struct {
+	db *badger.DB
+}
+
+// IdsDBOpen returns a new DB object
+func IdsDBOpen(path string) IdsDB {
+	bdb, err := badger.Open(badger.DefaultOptions(path))
+	if err != nil {
+		log.Errorf("Failed to open ids database: %v, falling back to in-memory database", path)
+		bdb, err = badger.Open(badger.DefaultOptions("").WithInMemory(true))
+		if err != nil {
+			log.Fatalf("Couldn't initialize the ids database")
+		}
+	}
+
+	return IdsDB{
+		db: bdb,
+	}
+}
+
+// Set stores an id pair
+func (db *IdsDB) Set(tgAccount, xmppAccount string, tgChatId, tgMsgId int64, xmppId string) error {
+	bPrefix := toKeyPrefix(tgAccount, xmppAccount)
+	bTgId := toTgByteString(tgChatId, tgMsgId)
+	bXmppId := toXmppByteString(xmppId)
+	bTgKey := toByteKey(bPrefix, bTgId, "tg")
+	bXmppKey := toByteKey(bPrefix, bXmppId, "xmpp")
+
+	return db.db.Update(func(txn *badger.Txn) error {
+		if err := txn.Set(bTgKey, bXmppId); err != nil {
+			return err
+		}
+		return txn.Set(bXmppKey, bTgId)
+	})
+}
+
+func (db *IdsDB) getByteValue(key []byte) ([]byte, error) {
+	var valCopy []byte
+	err := db.db.View(func(txn *badger.Txn) error {
+		item, err := txn.Get(key)
+		if err != nil {
+			return err
+		}
+
+		valCopy, err = item.ValueCopy(nil)
+		return err
+	})
+	return valCopy, err
+}
+
+// GetByTgIds obtains an XMPP id by Telegram chat/message ids
+func (db *IdsDB) GetByTgIds(tgAccount, xmppAccount string, tgChatId, tgMsgId int64) (string, error) {
+	val, err := db.getByteValue(toByteKey(
+		toKeyPrefix(tgAccount, xmppAccount),
+		toTgByteString(tgChatId, tgMsgId),
+		"tg",
+	))
+	if err != nil {
+		return "", err
+	}
+	return string(val), nil
+}
+
+// GetByXmppId obtains Telegram chat/message ids by an XMPP id
+func (db *IdsDB) GetByXmppId(tgAccount, xmppAccount, xmppId string) (int64, int64, error) {
+	val, err := db.getByteValue(toByteKey(
+		toKeyPrefix(tgAccount, xmppAccount),
+		toXmppByteString(xmppId),
+		"xmpp",
+	))
+	if err != nil {
+		return 0, 0, err
+	}
+	return splitTgByteString(val)
+}
+
+func toKeyPrefix(tgAccount, xmppAccount string) []byte {
+	return []byte(fmt.Sprintf("%v/%v/", tgAccount, xmppAccount))
+}
+
+func toByteKey(prefix, suffix []byte, typ string) []byte {
+	key := make([]byte, 0, len(prefix) + len(suffix) + 6)
+	key = append(key, prefix...)
+	key = append(key, []byte(typ)...)
+	key = append(key, []byte("/")...)
+	key = append(key, suffix...)
+	return key
+}
+
+func toTgByteString(tgChatId, tgMsgId int64) []byte {
+	return []byte(fmt.Sprintf("%v/%v", tgChatId, tgMsgId))
+}
+
+func toXmppByteString(xmppId string) []byte {
+	return []byte(xmppId)
+}
+
+func splitTgByteString(val []byte) (int64, int64, error) {
+	parts := bytes.Split(val, []byte("/"))
+	if len(parts) != 2 {
+		return 0, 0, errors.New("Couldn't parse tg id pair")
+	}
+	tgChatId, err := strconv.ParseInt(string(parts[0]), 10, 64)
+	if err != nil {
+		return 0, 0, err
+	}
+	tgMsgId, err := strconv.ParseInt(string(parts[1]), 10, 64)
+	return tgChatId, tgMsgId, err
+}
+
+// Gc compacts the value log
+func (db *IdsDB) Gc() {
+	db.db.RunValueLogGC(0.7)
+}
+
+// Close closes a DB
+func (db *IdsDB) Close() {
+	db.db.Close()
+}

badger/ids_test.go

@@ -0,0 +1,72 @@
+package badger
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestToKeyPrefix(t *testing.T) {
+	if !reflect.DeepEqual(toKeyPrefix("+123456789", "test@example.com"), []byte("+123456789/test@example.com/")) {
+		t.Error("Wrong prefix")
+	}
+}
+
+func TestToByteKey(t *testing.T) {
+	if !reflect.DeepEqual(toByteKey([]byte("ababa/galamaga/"), []byte("123"), "ppp"), []byte("ababa/galamaga/ppp/123")) {
+		t.Error("Wrong key")
+	}
+}
+
+func TestToTgByteString(t *testing.T) {
+	if !reflect.DeepEqual(toTgByteString(-2345, 6789), []byte("-2345/6789")) {
+		t.Error("Wrong tg string")
+	}
+}
+
+func TestToXmppByteString(t *testing.T) {
+	if !reflect.DeepEqual(toXmppByteString("aboba"), []byte("aboba")) {
+		t.Error("Wrong xmpp string")
+	}
+}
+
+func TestSplitTgByteStringUnparsable(t *testing.T) {
+	_, _, err := splitTgByteString([]byte("@#U*&$(@#"))
+	if err == nil {
+		t.Error("Unparsable should not be parsed")
+		return
+	}
+	if err.Error() != "Couldn't parse tg id pair" {
+		t.Error("Wrong parse error")
+	}
+}
+
+func TestSplitTgByteManyParts(t *testing.T) {
+	_, _, err := splitTgByteString([]byte("a/b/c/d"))
+	if err == nil {
+		t.Error("Should not parse many parts")
+		return
+	}
+	if err.Error() != "Couldn't parse tg id pair" {
+		t.Error("Wrong parse error")
+	}
+}
+
+func TestSplitTgByteNonNumeric(t *testing.T) {
+	_, _, err := splitTgByteString([]byte("0/a"))
+	if err == nil {
+		t.Error("Should not parse non-numeric msgid")
+	}
+}
+
+func TestSplitTgByteSuccess(t *testing.T) {
+	chatId, msgId, err := splitTgByteString([]byte("-198282398/23798478"))
+	if err != nil {
+		t.Error("Should be parsed well")
+	}
+	if chatId != -198282398 {
+		t.Error("Wrong chatId")
+	}
+	if msgId != 23798478 {
+		t.Error("Wrong msgId")
+	}
+}

go.mod

@@ -4,7 +4,8 @@ go 1.13
 
 require (
 	github.com/Arman92/go-tdlib v0.0.0-20191002071913-526f4e1d15f7
-	github.com/pkg/errors v0.8.1
+	github.com/dgraph-io/badger/v4 v4.1.0 // indirect
+	github.com/pkg/errors v0.9.1
 	github.com/santhosh-tekuri/jsonschema v1.2.4
 	github.com/sirupsen/logrus v1.4.2
 	github.com/soheilhy/args v0.0.0-20150720134047-6bcf4c78e87e

go.sum

@@ -1,10 +1,13 @@
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@@ -68,14 +107,20 @@ github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVc
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@@ -83,8 +128,14 @@ github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4
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@@ -92,43 +143,112 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190920225731-5eefd052ad72/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
+google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
+google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
@@ -142,6 +262,7 @@ gosrc.io/xmpp v0.5.2-0.20211214110136-5f99e1cd06e1 h1:E3uJqX6ImJL9AFdjGbiW04jq8I
 gosrc.io/xmpp v0.5.2-0.20211214110136-5f99e1cd06e1/go.mod h1:L3NFMqYOxyLz3JGmgFyWf7r9htE91zVGiK40oW4RwdY=
 gotest.tools v2.1.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 gotest.tools/gotestsum v0.3.5/go.mod h1:Mnf3e5FUzXbkCfynWBGOwLssY7gTQgCHObK9tMpAriY=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 mvdan.cc/sh v2.6.4+incompatible/go.mod h1:IeeQbZq+x2SUGBensq/jge5lLQbS3XT2ktyp3wrt4x8=
 nhooyr.io/websocket v1.6.5 h1:8TzpkldRfefda5JST+CnOH135bzVPz5uzfn/AF+gVKg=
 nhooyr.io/websocket v1.6.5/go.mod h1:F259lAzPRAH0htX2y3ehpJe09ih1aSHN7udWki1defY=

telegabber.go

@@ -35,6 +35,8 @@ func main() {
 	var configPath = flag.String("config", "config.yml", "Config file path")
 	// JSON schema (not for editing by a user)
 	var schemaPath = flag.String("schema", "./config_schema.json", "Schema file path")
+	// Folder for Badger DB of message ids
+	var idsPath = flag.String("ids", "ids", "Ids folder path")
 	var versionFlag = flag.Bool("version", false, "Print the version and exit")
 	flag.Parse()
 
@@ -62,7 +64,7 @@ func main() {
 
 	log.Infof("Starting telegabber version %v", version)
 
-	sm, component, err = xmpp.NewComponent(config.XMPP, config.Telegram)
+	sm, component, err = xmpp.NewComponent(config.XMPP, config.Telegram, *idsPath)
 	if err != nil {
 		log.Fatal(err)
 	}

telegram/commands.go

@@ -498,7 +498,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 			return "Last message is empty", true
 		}
 
-		content := c.ProcessOutgoingMessage(0, rawCmdArguments(cmdline, 0), "", 0)
+		content := c.ProcessOutgoingMessage(0, rawCmdArguments(cmdline, 0), "", "", 0)
 
 		if content != nil {
 			c.client.EditMessageText(&client.EditMessageTextRequest{
@@ -515,7 +515,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 			return "Not enough arguments", true
 		}
 
-		content := c.ProcessOutgoingMessage(0, rawCmdArguments(cmdline, 0), "", 0)
+		content := c.ProcessOutgoingMessage(0, rawCmdArguments(cmdline, 0), "", "", 0)
 
 		if content != nil {
 			_, err := c.client.SendMessage(&client.SendMessageRequest{
@@ -594,7 +594,7 @@ func (c *Client) ProcessChatCommand(chatID int64, cmdline string) (string, bool)
 			}
 		}
 
-		content := c.ProcessOutgoingMessage(0, rawCmdArguments(cmdline, 1), "", 0)
+		content := c.ProcessOutgoingMessage(0, rawCmdArguments(cmdline, 1), "", "", 0)
 
 		if content != nil {
 			_, err := c.client.SendMessage(&client.SendMessageRequest{

telegram/utils.go

@@ -987,7 +987,7 @@ func (c *Client) ProcessIncomingMessage(chatId int64, message *client.Message) {
 }
 
 // ProcessOutgoingMessage executes commands or sends messages to mapped chats
-func (c *Client) ProcessOutgoingMessage(chatID int64, text string, returnJid string, replyId int64) client.InputMessageContent {
+func (c *Client) ProcessOutgoingMessage(chatID int64, text string, returnJid string, id string, replyId int64) client.InputMessageContent {
 	if !c.Online() {
 		// we're offline
 		return nil
@@ -1111,7 +1111,7 @@ func (c *Client) ProcessOutgoingMessage(chatID int64, text string, returnJid str
 	}
 
 	if chatID != 0 {
-		_, err := c.client.SendMessage(&client.SendMessageRequest{
+		tgMessage, err := c.client.SendMessage(&client.SendMessageRequest{
 			ChatId:              chatID,
 			ReplyToMessageId:    reply,
 			InputMessageContent: message,
@@ -1123,6 +1123,11 @@ func (c *Client) ProcessOutgoingMessage(chatID int64, text string, returnJid str
 				fmt.Sprintf("Not sent: %s", err.Error()),
 				c.xmpp,
 			)
+		} else {
+			err = gateway.IdsDB.Set(c.Session.Login, c.jid, tgMessage.ChatId, tgMessage.Id, id)
+			if err != nil {
+				log.Errorf("Failed to save ids %v/%v %v", tgMessage.ChatId, tgMessage.Id, id)
+			}
 		}
 		return nil
 	} else {

xmpp/component.go

@@ -7,6 +7,7 @@ import (
 	"sync"
 	"time"
 
+	"dev.narayana.im/narayana/telegabber/badger"
 	"dev.narayana.im/narayana/telegabber/config"
 	"dev.narayana.im/narayana/telegabber/persistence"
 	"dev.narayana.im/narayana/telegabber/telegram"
@@ -38,7 +39,7 @@ var sizeRegex = regexp.MustCompile("\\A([0-9]+) ?([KMGTPE]?B?)\\z")
 
 // NewComponent starts a new component and wraps it in
 // a stream manager that you should start yourself
-func NewComponent(conf config.XMPPConfig, tc config.TelegramConfig) (*xmpp.StreamManager, *xmpp.Component, error) {
+func NewComponent(conf config.XMPPConfig, tc config.TelegramConfig, idsPath string) (*xmpp.StreamManager, *xmpp.Component, error) {
 	var err error
 
 	gateway.Jid, err = stanza.NewJid(conf.Jid)
@@ -53,6 +54,8 @@ func NewComponent(conf config.XMPPConfig, tc config.TelegramConfig) (*xmpp.Strea
 		}
 	}
 
+	gateway.IdsDB = badger.IdsDBOpen(idsPath)
+
 	tgConf = tc
 
 	if tc.Content.Quota != "" {
@@ -163,6 +166,8 @@ func heartbeat(component *xmpp.Component) {
 			// it would be resolved on the next iteration
 			SaveSessions()
 		}
+
+		gateway.IdsDB.Gc()
 	}
 }
 
@@ -240,6 +245,9 @@ func Close(component *xmpp.Component) {
 	// save sessions
 	SaveSessions()
 
+	// flush the ids database
+	gateway.IdsDB.Close()
+
 	// close stream
 	component.Disconnect()
 }

xmpp/gateway/gateway.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"sync"
 
+	"dev.narayana.im/narayana/telegabber/badger"
 	"dev.narayana.im/narayana/telegabber/xmpp/extensions"
 
 	log "github.com/sirupsen/logrus"
@@ -30,6 +31,9 @@ var QueueLock = sync.Mutex{}
 // Jid stores the component's JID object
 var Jid *stanza.Jid
 
+// IdsDB provides a disk-backed bidirectional dictionary of Telegram and XMPP ids
+var IdsDB badger.IdsDB
+
 // DirtySessions denotes that some Telegram session configurations
 // were changed and need to be re-flushed to the YamlDB
 var DirtySessions = false

xmpp/handlers.go

@@ -139,7 +139,7 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {
 				}
 			}
 
-			session.ProcessOutgoingMessage(toID, text, msg.From, replyId)
+			session.ProcessOutgoingMessage(toID, text, msg.From, msg.Id, replyId)
 			return
 		} else {
 			toJid, err := stanza.NewJid(msg.To)