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package bslack
import (
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/matterhook"
log "github.com/Sirupsen/logrus"
"github.com/nlopes/slack"
"strings"
"time"
)
type MMMessage struct {
Text string
Channel string
Username string
}
type bslack struct {
mh *matterhook.Client
sc *slack.Client
// MMapi
*config.Config
rtm *slack.RTM
Plus bool
Remote chan config.Message
channels []slack.Channel
}
var flog *log.Entry
func init() {
flog = log.WithFields(log.Fields{"module": "slack"})
}
func New(cfg *config.Config, c chan config.Message) *bslack {
b := &bslack{}
b.Config = cfg
b.Remote = c
b.Plus = cfg.Slack.UseAPI
return b
}
func (b *bslack) Command(cmd string) string {
return ""
}
func (b *bslack) Connect() error {
if !b.Plus {
b.mh = matterhook.New(b.Config.Slack.URL,
matterhook.Config{BindAddress: b.Config.Slack.BindAddress})
} else {
b.sc = slack.New(b.Config.Slack.Token)
flog.Infof("Trying login on slack with Token")
/*
if err != nil {
return err
}
*/
flog.Info("Login ok")
}
b.rtm = b.sc.NewRTM()
go b.rtm.ManageConnection()
go b.handleSlack()
return nil
}
func (b *bslack) Name() string {
return "slack"
}
func (b *bslack) Send(msg config.Message) error {
flog.Infof("slack send %#v", msg)
if msg.Origin != "slack" {
return b.SendType(msg.Username, msg.Text, msg.Channel, "")
}
return nil
}
func (b *bslack) SendType(nick string, message string, channel string, mtype string) error {
if b.Config.Slack.PrefixMessagesWithNick {
message = nick + " " + message
}
if !b.Plus {
matterMessage := matterhook.OMessage{IconURL: b.Config.Slack.IconURL}
matterMessage.Channel = channel
matterMessage.UserName = nick
matterMessage.Type = mtype
matterMessage.Text = message
err := b.mh.Send(matterMessage)
if err != nil {
flog.Info(err)
return err
}
flog.Debug("->slack channel: ", channel, " ", message)
return nil
}
flog.Debugf("sent to slack channel API: %s %s", channel, message)
newmsg := b.rtm.NewOutgoingMessage(message, b.getChannelByName(channel).ID)
b.rtm.SendMessage(newmsg)
return nil
}
func (b *bslack) getChannelByName(name string) *slack.Channel {
if b.channels == nil {
return nil
}
for _, channel := range b.channels {
if channel.Name == name {
return &channel
}
}
return nil
}
func (b *bslack) handleSlack() {
flog.Infof("Choosing API based slack connection: %t", b.Plus)
mchan := make(chan *MMMessage)
if b.Plus {
go b.handleSlackClient(mchan)
} else {
go b.handleMatterHook(mchan)
}
time.Sleep(time.Second)
flog.Info("Start listening for Slack messages")
for message := range mchan {
texts := strings.Split(message.Text, "\n")
for _, text := range texts {
flog.Debug("Sending message from " + message.Username + " to " + message.Channel)
b.Remote <- config.Message{Text: text, Username: message.Username, Channel: message.Channel, Origin: "slack"}
}
}
}
func (b *bslack) handleSlackClient(mchan chan *MMMessage) {
for msg := range b.rtm.IncomingEvents {
switch ev := msg.Data.(type) {
case *slack.MessageEvent:
flog.Debugf("%#v", ev)
channel, err := b.rtm.GetChannelInfo(ev.Channel)
if err != nil {
continue
}
user, err := b.rtm.GetUserInfo(ev.User)
if err != nil {
continue
}
m := &MMMessage{}
m.Username = user.Name
m.Channel = channel.Name
m.Text = ev.Text
mchan <- m
case *slack.OutgoingErrorEvent:
flog.Debugf("%#v", ev.Error())
case *slack.ConnectedEvent:
b.channels = ev.Info.Channels
for _, val := range b.Config.Channel {
channel := b.getChannelByName(val.Slack)
if channel != nil && !channel.IsMember {
flog.Infof("Joining %s", val.Slack)
b.sc.JoinChannel(channel.ID)
}
}
case *slack.InvalidAuthEvent:
flog.Fatalf("Invalid Token %#v", ev)
default:
}
}
}
func (b *bslack) handleMatterHook(mchan chan *MMMessage) {
for {
message := b.mh.Receive()
flog.Debugf("receiving from slack %#v", message)
m := &MMMessage{}
m.Username = message.UserName
m.Text = message.Text
m.Channel = message.ChannelName
mchan <- m
}
}
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