mirror of
https://github.com/42wim/matterbridge
synced 2024-11-07 09:20:23 +00:00
198 lines
4.5 KiB
Go
198 lines
4.5 KiB
Go
package bxmpp
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import (
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"crypto/tls"
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"github.com/42wim/matterbridge/bridge/config"
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"github.com/42wim/matterbridge/bridge/helper"
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log "github.com/sirupsen/logrus"
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"github.com/jpillora/backoff"
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"github.com/mattn/go-xmpp"
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"strings"
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"time"
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)
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type Bxmpp struct {
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xc *xmpp.Client
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xmppMap map[string]string
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*config.BridgeConfig
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}
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var flog *log.Entry
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var protocol = "xmpp"
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func init() {
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flog = log.WithFields(log.Fields{"prefix": protocol})
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}
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func New(cfg *config.BridgeConfig) *Bxmpp {
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b := &Bxmpp{BridgeConfig: cfg}
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b.xmppMap = make(map[string]string)
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return b
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}
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func (b *Bxmpp) Connect() error {
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var err error
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flog.Infof("Connecting %s", b.Config.Server)
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b.xc, err = b.createXMPP()
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if err != nil {
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flog.Debugf("%#v", err)
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return err
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}
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flog.Info("Connection succeeded")
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go func() {
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initial := true
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bf := &backoff.Backoff{
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Min: time.Second,
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Max: 5 * time.Minute,
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Jitter: true,
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}
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for {
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if initial {
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b.handleXmpp()
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initial = false
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}
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d := bf.Duration()
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flog.Infof("Disconnected. Reconnecting in %s", d)
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time.Sleep(d)
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b.xc, err = b.createXMPP()
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if err == nil {
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b.Remote <- config.Message{Username: "system", Text: "rejoin", Channel: "", Account: b.Account, Event: config.EVENT_REJOIN_CHANNELS}
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b.handleXmpp()
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bf.Reset()
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}
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}
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}()
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return nil
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}
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func (b *Bxmpp) Disconnect() error {
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return nil
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}
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func (b *Bxmpp) JoinChannel(channel config.ChannelInfo) error {
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b.xc.JoinMUCNoHistory(channel.Name+"@"+b.Config.Muc, b.Config.Nick)
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return nil
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}
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func (b *Bxmpp) Send(msg config.Message) (string, error) {
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// ignore delete messages
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if msg.Event == config.EVENT_MSG_DELETE {
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return "", nil
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}
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flog.Debugf("Receiving %#v", msg)
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if msg.Extra != nil {
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for _, rmsg := range helper.HandleExtra(&msg, b.General) {
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b.xc.Send(xmpp.Chat{Type: "groupchat", Remote: rmsg.Channel + "@" + b.Config.Muc, Text: rmsg.Username + rmsg.Text})
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}
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if len(msg.Extra["file"]) > 0 {
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for _, f := range msg.Extra["file"] {
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fi := f.(config.FileInfo)
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if fi.Comment != "" {
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msg.Text += fi.Comment + ": "
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}
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if fi.URL != "" {
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msg.Text += fi.URL
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}
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b.xc.Send(xmpp.Chat{Type: "groupchat", Remote: msg.Channel + "@" + b.Config.Muc, Text: msg.Username + msg.Text})
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}
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return "", nil
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}
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}
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b.xc.Send(xmpp.Chat{Type: "groupchat", Remote: msg.Channel + "@" + b.Config.Muc, Text: msg.Username + msg.Text})
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return "", nil
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}
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func (b *Bxmpp) createXMPP() (*xmpp.Client, error) {
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tc := new(tls.Config)
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tc.InsecureSkipVerify = b.Config.SkipTLSVerify
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tc.ServerName = strings.Split(b.Config.Server, ":")[0]
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options := xmpp.Options{
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Host: b.Config.Server,
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User: b.Config.Jid,
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Password: b.Config.Password,
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NoTLS: true,
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StartTLS: true,
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TLSConfig: tc,
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//StartTLS: false,
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Debug: b.General.Debug,
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Session: true,
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Status: "",
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StatusMessage: "",
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Resource: "",
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InsecureAllowUnencryptedAuth: false,
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//InsecureAllowUnencryptedAuth: true,
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}
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var err error
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b.xc, err = options.NewClient()
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return b.xc, err
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}
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func (b *Bxmpp) xmppKeepAlive() chan bool {
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done := make(chan bool)
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go func() {
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ticker := time.NewTicker(90 * time.Second)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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flog.Debugf("PING")
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err := b.xc.PingC2S("", "")
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if err != nil {
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flog.Debugf("PING failed %#v", err)
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}
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case <-done:
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return
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}
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}
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}()
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return done
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}
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func (b *Bxmpp) handleXmpp() error {
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var ok bool
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done := b.xmppKeepAlive()
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defer close(done)
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nodelay := time.Time{}
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for {
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m, err := b.xc.Recv()
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if err != nil {
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return err
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}
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switch v := m.(type) {
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case xmpp.Chat:
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var channel, nick string
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if v.Type == "groupchat" {
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s := strings.Split(v.Remote, "@")
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if len(s) >= 2 {
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channel = s[0]
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}
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s = strings.Split(s[1], "/")
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if len(s) == 2 {
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nick = s[1]
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}
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if nick != b.Config.Nick && v.Stamp == nodelay && v.Text != "" && !strings.Contains(v.Text, "</subject>") {
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rmsg := config.Message{Username: nick, Text: v.Text, Channel: channel, Account: b.Account, UserID: v.Remote}
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rmsg.Text, ok = b.replaceAction(rmsg.Text)
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if ok {
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rmsg.Event = config.EVENT_USER_ACTION
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}
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flog.Debugf("Sending message from %s on %s to gateway", nick, b.Account)
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b.Remote <- rmsg
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}
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}
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case xmpp.Presence:
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// do nothing
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}
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}
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}
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func (b *Bxmpp) replaceAction(text string) (string, bool) {
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if strings.HasPrefix(text, "/me ") {
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return strings.Replace(text, "/me ", "", -1), true
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}
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return text, false
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}
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