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152 lines
3.3 KiB
152 lines
3.3 KiB
package xmpp
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import (
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"github.com/pkg/errors"
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"time"
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"dev.narayana.im/narayana/telegabber/config"
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"dev.narayana.im/narayana/telegabber/persistence"
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"dev.narayana.im/narayana/telegabber/telegram"
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"dev.narayana.im/narayana/telegabber/xmpp/gateway"
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log "github.com/sirupsen/logrus"
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"gosrc.io/xmpp"
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"gosrc.io/xmpp/stanza"
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)
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var tgConf config.TelegramConfig
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var sessions map[string]*telegram.Client
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var db *persistence.SessionsYamlDB
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// NewComponent starts a new component and wraps it in
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// a stream manager that you should start yourself
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func NewComponent(conf config.XMPPConfig, tc config.TelegramConfig) (*xmpp.StreamManager, *xmpp.Component, error) {
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var err error
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gateway.Jid, err = stanza.NewJid(conf.Jid)
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if err != nil {
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return nil, nil, err
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}
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tgConf = tc
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options := xmpp.ComponentOptions{
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TransportConfiguration: xmpp.TransportConfiguration{
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Address: conf.Host + ":" + conf.Port,
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Domain: conf.Jid,
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},
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Domain: conf.Jid,
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Secret: conf.Password,
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Name: "telegabber",
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}
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router := xmpp.NewRouter()
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router.HandleFunc("iq", HandleIq)
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router.HandleFunc("presence", HandlePresence)
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router.HandleFunc("message", HandleMessage)
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component, err := xmpp.NewComponent(options, router, func(err error) {
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log.Error(err)
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})
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if err != nil {
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return nil, nil, err
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}
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// probe all known sessions
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err = loadSessions(conf.Db, component)
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if err != nil {
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return nil, nil, err
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}
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sm := xmpp.NewStreamManager(component, func(s xmpp.Sender) {
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go heartbeat(component)
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})
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return sm, component, nil
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}
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func heartbeat(component *xmpp.Component) {
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var err error
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probeType := gateway.SPType("probe")
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for jid := range sessions {
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err = gateway.SendPresence(component, jid, probeType)
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if err != nil {
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log.Error(err)
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}
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}
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log.Info("Starting heartbeat queue")
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// status updater thread
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for {
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time.Sleep(60e9)
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for key, presence := range gateway.Queue {
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err = gateway.ResumableSend(component, presence)
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if err != nil {
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gateway.LogBadPresence(presence)
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} else {
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delete(gateway.Queue, key)
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}
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}
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}
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}
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func loadSessions(dbPath string, component *xmpp.Component) error {
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var err error
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sessions = make(map[string]*telegram.Client)
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db, err = persistence.LoadSessions(dbPath)
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if err != nil {
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return err
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}
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db.Transaction(func() bool {
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for jid, session := range db.Data.Sessions {
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getTelegramInstance(jid, &session, component)
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}
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return false
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}, persistence.SessionMarshaller)
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return nil
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}
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func getTelegramInstance(jid string, savedSession *persistence.Session, component *xmpp.Component) (*telegram.Client, bool) {
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var err error
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session, ok := sessions[jid]
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if !ok {
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session, err = telegram.NewClient(tgConf, jid, component, savedSession)
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if err != nil {
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log.Error(errors.Wrap(err, "TDlib initialization failure"))
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return session, false
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}
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sessions[jid] = session
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}
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return session, true
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}
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// Close gracefully terminates the component and saves active sessions
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func Close(component *xmpp.Component) {
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log.Error("Disconnecting...")
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// close all sessions
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for _, session := range sessions {
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session.Disconnect("", true)
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}
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// save sessions
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db.Transaction(func() bool {
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for jid, session := range sessions {
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db.Data.Sessions[jid] = *session.Session
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}
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return true
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}, persistence.SessionMarshaller)
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// close stream
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component.Disconnect()
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}
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