1 files changed, 283 insertions, 0 deletions
diff --git a/teleirc/matterbridge/bridge/mattermost/helpers.go b/teleirc/matterbridge/bridge/mattermost/helpers.go
new file mode 100644
index 0000000..cca1c4e
--- /dev/null
+++ b/teleirc/matterbridge/bridge/mattermost/helpers.go
@@ -0,0 +1,283 @@
+package bmattermost
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/42wim/matterbridge/bridge/config"
+	"github.com/42wim/matterbridge/bridge/helper"
+	"github.com/42wim/matterbridge/matterhook"
+	"github.com/matterbridge/matterclient"
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+func (b *Bmattermost) doConnectWebhookBind() error {
+	switch {
+	case b.GetString("WebhookURL") != "":
+		b.Log.Info("Connecting using webhookurl (sending) and webhookbindaddress (receiving)")
+		b.mh = matterhook.New(b.GetString("WebhookURL"),
+			matterhook.Config{
+				InsecureSkipVerify: b.GetBool("SkipTLSVerify"),
+				BindAddress:        b.GetString("WebhookBindAddress"),
+			})
+	case b.GetString("Token") != "":
+		b.Log.Info("Connecting using token (sending)")
+		err := b.apiLogin()
+		if err != nil {
+			return err
+		}
+	case b.GetString("Login") != "":
+		b.Log.Info("Connecting using login/password (sending)")
+		err := b.apiLogin()
+		if err != nil {
+			return err
+		}
+	default:
+		b.Log.Info("Connecting using webhookbindaddress (receiving)")
+		b.mh = matterhook.New(b.GetString("WebhookURL"),
+			matterhook.Config{
+				InsecureSkipVerify: b.GetBool("SkipTLSVerify"),
+				BindAddress:        b.GetString("WebhookBindAddress"),
+			})
+	}
+	return nil
+}
+
+func (b *Bmattermost) doConnectWebhookURL() error {
+	b.Log.Info("Connecting using webhookurl (sending)")
+	b.mh = matterhook.New(b.GetString("WebhookURL"),
+		matterhook.Config{
+			InsecureSkipVerify: b.GetBool("SkipTLSVerify"),
+			DisableServer:      true,
+		})
+	if b.GetString("Token") != "" {
+		b.Log.Info("Connecting using token (receiving)")
+		err := b.apiLogin()
+		if err != nil {
+			return err
+		}
+	} else if b.GetString("Login") != "" {
+		b.Log.Info("Connecting using login/password (receiving)")
+		err := b.apiLogin()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+//nolint:wrapcheck
+func (b *Bmattermost) apiLogin() error {
+	password := b.GetString("Password")
+	if b.GetString("Token") != "" {
+		password = "token=" + b.GetString("Token")
+	}
+
+	b.mc = matterclient.New(b.GetString("Login"), password, b.GetString("Team"), b.GetString("Server"), "")
+	if b.GetBool("debug") {
+		b.mc.SetLogLevel("debug")
+	}
+	b.mc.SkipTLSVerify = b.GetBool("SkipTLSVerify")
+	b.mc.SkipVersionCheck = b.GetBool("SkipVersionCheck")
+	b.mc.NoTLS = b.GetBool("NoTLS")
+	b.Log.Infof("Connecting %s (team: %s) on %s", b.GetString("Login"), b.GetString("Team"), b.GetString("Server"))
+
+	if err := b.mc.Login(); err != nil {
+		return err
+	}
+
+	b.Log.Info("Connection succeeded")
+	b.TeamID = b.mc.GetTeamID()
+	return nil
+}
+
+// replaceAction replace the message with the correct action (/me) code
+func (b *Bmattermost) replaceAction(text string) (string, bool) {
+	if strings.HasPrefix(text, "*") && strings.HasSuffix(text, "*") {
+		return strings.Replace(text, "*", "", -1), true
+	}
+	return text, false
+}
+
+func (b *Bmattermost) cacheAvatar(msg *config.Message) (string, error) {
+	fi := msg.Extra["file"][0].(config.FileInfo)
+	/* if we have a sha we have successfully uploaded the file to the media server,
+	so we can now cache the sha */
+	if fi.SHA != "" {
+		b.Log.Debugf("Added %s to %s in avatarMap", fi.SHA, msg.UserID)
+		b.avatarMap[msg.UserID] = fi.SHA
+	}
+	return "", nil
+}
+
+// sendWebhook uses the configured WebhookURL to send the message
+func (b *Bmattermost) sendWebhook(msg config.Message) (string, error) {
+	// skip events
+	if msg.Event != "" {
+		return "", nil
+	}
+
+	if b.GetBool("PrefixMessagesWithNick") {
+		msg.Text = msg.Username + msg.Text
+	}
+
+	if msg.Extra != nil {
+		// this sends a message only if we received a config.EVENT_FILE_FAILURE_SIZE
+		for _, rmsg := range helper.HandleExtra(&msg, b.General) {
+			rmsg := rmsg // scopelint
+			iconURL := config.GetIconURL(&rmsg, b.GetString("iconurl"))
+			matterMessage := matterhook.OMessage{
+				IconURL:  iconURL,
+				Channel:  rmsg.Channel,
+				UserName: rmsg.Username,
+				Text:     rmsg.Text,
+				Props:    make(map[string]interface{}),
+			}
+			matterMessage.Props["matterbridge_"+b.uuid] = true
+			if err := b.mh.Send(matterMessage); err != nil {
+				b.Log.Errorf("sendWebhook failed: %s ", err)
+			}
+		}
+
+		// webhook doesn't support file uploads, so we add the url manually
+		if len(msg.Extra["file"]) > 0 {
+			for _, f := range msg.Extra["file"] {
+				fi := f.(config.FileInfo)
+				if fi.URL != "" {
+					msg.Text += " " + fi.URL
+				}
+			}
+		}
+	}
+
+	iconURL := config.GetIconURL(&msg, b.GetString("iconurl"))
+	matterMessage := matterhook.OMessage{
+		IconURL:  iconURL,
+		Channel:  msg.Channel,
+		UserName: msg.Username,
+		Text:     msg.Text,
+		Props:    make(map[string]interface{}),
+	}
+	if msg.Avatar != "" {
+		matterMessage.IconURL = msg.Avatar
+	}
+	matterMessage.Props["matterbridge_"+b.uuid] = true
+	err := b.mh.Send(matterMessage)
+	if err != nil {
+		b.Log.Info(err)
+		return "", err
+	}
+	return "", nil
+}
+
+// skipMessages returns true if this message should not be handled
+//nolint:gocyclo,cyclop
+func (b *Bmattermost) skipMessage(message *matterclient.Message) bool {
+	// Handle join/leave
+	if message.Type == "system_join_leave" ||
+		message.Type == "system_join_channel" ||
+		message.Type == "system_leave_channel" {
+		if b.GetBool("nosendjoinpart") {
+			return true
+		}
+
+		channelName := b.getChannelName(message.Post.ChannelId)
+		if channelName == "" {
+			channelName = message.Channel
+		}
+
+		b.Log.Debugf("Sending JOIN_LEAVE event from %s to gateway", b.Account)
+		b.Remote <- config.Message{
+			Username: "system",
+			Text:     message.Text,
+			Channel:  channelName,
+			Account:  b.Account,
+			Event:    config.EventJoinLeave,
+		}
+		return true
+	}
+
+	// Handle edited messages
+	if (message.Raw.EventType() == model.WebsocketEventPostEdited) && b.GetBool("EditDisable") {
+		return true
+	}
+
+	// Ignore non-post messages
+	if message.Post == nil {
+		b.Log.Debugf("ignoring nil message.Post: %#v", message)
+		return true
+	}
+
+	// Ignore messages sent from matterbridge
+	if message.Post.Props != nil {
+		if _, ok := message.Post.Props["matterbridge_"+b.uuid].(bool); ok {
+			b.Log.Debug("sent by matterbridge, ignoring")
+			return true
+		}
+	}
+
+	// Ignore messages sent from a user logged in as the bot
+	if b.mc.User.Username == message.Username {
+		b.Log.Debug("message from same user as bot, ignoring")
+		return true
+	}
+
+	// if the message has reactions don't repost it (for now, until we can correlate reaction with message)
+	if message.Post.HasReactions {
+		return true
+	}
+
+	// ignore messages from other teams than ours
+	if message.Raw.GetData()["team_id"].(string) != b.TeamID {
+		b.Log.Debug("message from other team, ignoring")
+		return true
+	}
+
+	// only handle posted, edited or deleted events
+	if !(message.Raw.EventType() == "posted" || message.Raw.EventType() == model.WebsocketEventPostEdited ||
+		message.Raw.EventType() == model.WebsocketEventPostDeleted) {
+		return true
+	}
+	return false
+}
+
+func (b *Bmattermost) getVersion() string {
+	proto := "https"
+
+	if b.GetBool("notls") {
+		proto = "http"
+	}
+
+	resp, err := http.Get(proto + "://" + b.GetString("server"))
+	if err != nil {
+		b.Log.Error("failed getting version")
+		return ""
+	}
+
+	defer resp.Body.Close()
+
+	return resp.Header.Get("X-Version-Id")
+}
+
+func (b *Bmattermost) getChannelID(name string) string {
+	idcheck := strings.Split(name, "ID:")
+	if len(idcheck) > 1 {
+		return idcheck[1]
+	}
+
+	return b.mc.GetChannelID(name, b.TeamID)
+}
+
+func (b *Bmattermost) getChannelName(id string) string {
+	b.channelsMutex.RLock()
+	defer b.channelsMutex.RUnlock()
+
+	for _, c := range b.channelInfoMap {
+		if c.Name == "ID:"+id {
+			// if we have ID: specified in our gateway configuration return this
+			return c.Name
+		}
+	}
+
+	return ""
+}