package bmattermost import ( "github.com/42wim/matterbridge/bridge/config" "github.com/42wim/matterbridge/bridge/helper" "github.com/42wim/matterbridge/matterclient" "github.com/mattermost/mattermost-server/model" ) // handleDownloadAvatar downloads the avatar of userid from channel // sends a EVENT_AVATAR_DOWNLOAD message to the gateway if successful. // logs an error message if it fails func (b *Bmattermost) handleDownloadAvatar(userid string, channel string) { rmsg := config.Message{ Username: "system", Text: "avatar", Channel: channel, Account: b.Account, UserID: userid, Event: config.EventAvatarDownload, Extra: make(map[string][]interface{}), } if _, ok := b.avatarMap[userid]; !ok { data, resp := b.mc.Client.GetProfileImage(userid, "") if resp.Error != nil { b.Log.Errorf("ProfileImage download failed for %#v %s", userid, resp.Error) return } err := helper.HandleDownloadSize(b.Log, &rmsg, userid+".png", int64(len(data)), b.General) if err != nil { b.Log.Error(err) return } helper.HandleDownloadData(b.Log, &rmsg, userid+".png", rmsg.Text, "", &data, b.General) b.Remote <- rmsg } } // handleDownloadFile handles file download func (b *Bmattermost) handleDownloadFile(rmsg *config.Message, id string) error { url, _ := b.mc.Client.GetFileLink(id) finfo, resp := b.mc.Client.GetFileInfo(id) if resp.Error != nil { return resp.Error } err := helper.HandleDownloadSize(b.Log, rmsg, finfo.Name, finfo.Size, b.General) if err != nil { return err } data, resp := b.mc.Client.DownloadFile(id, true) if resp.Error != nil { return resp.Error } helper.HandleDownloadData(b.Log, rmsg, finfo.Name, rmsg.Text, url, &data, b.General) return nil } func (b *Bmattermost) handleMatter() { messages := make(chan *config.Message) if b.GetString("WebhookBindAddress") != "" { b.Log.Debugf("Choosing webhooks based receiving") go b.handleMatterHook(messages) } else { if b.GetString("Token") != "" { b.Log.Debugf("Choosing token based receiving") } else { b.Log.Debugf("Choosing login/password based receiving") } // if for some reason we only want to sent stuff to mattermost but not receive, return if b.GetString("WebhookBindAddress") == "" && b.GetString("WebhookURL") != "" && b.GetString("Token") == "" && b.GetString("Login") == "" { b.Log.Debugf("No WebhookBindAddress specified, only WebhookURL. You will not receive messages from mattermost, only sending is possible.") } go b.handleMatterClient(messages) } var ok bool for message := range messages { message.Avatar = helper.GetAvatar(b.avatarMap, message.UserID, b.General) message.Account = b.Account message.Text, ok = b.replaceAction(message.Text) if ok { message.Event = config.EventUserAction } b.Log.Debugf("<= Sending message from %s on %s to gateway", message.Username, b.Account) b.Log.Debugf("<= Message is %#v", message) b.Remote <- *message } } func (b *Bmattermost) handleMatterClient(messages chan *config.Message) { for message := range b.mc.MessageChan { b.Log.Debugf("%#v", message.Raw.Data) if b.skipMessage(message) { b.Log.Debugf("Skipped message: %#v", message) continue } // only download avatars if we have a place to upload them (configured mediaserver) if b.General.MediaServerUpload != "" || b.General.MediaDownloadPath != "" { b.handleDownloadAvatar(message.UserID, message.Channel) } b.Log.Debugf("== Receiving event %#v", message) rmsg := &config.Message{ Username: message.Username, UserID: message.UserID, Channel: message.Channel, Text: message.Text, ID: message.Post.Id, ParentID: message.Post.ParentId, Extra: make(map[string][]interface{}), } // handle mattermost post properties (override username and attachments) b.handleProps(rmsg, message) // create a text for bridges that don't support native editing if message.Raw.Event == model.WEBSOCKET_EVENT_POST_EDITED && !b.GetBool("EditDisable") { rmsg.Text = message.Text + b.GetString("EditSuffix") } if message.Raw.Event == model.WEBSOCKET_EVENT_POST_DELETED { rmsg.Event = config.EventMsgDelete } for _, id := range message.Post.FileIds { err := b.handleDownloadFile(rmsg, id) if err != nil { b.Log.Errorf("download failed: %s", err) } } // Use nickname instead of username if defined if nick := b.mc.GetNickName(rmsg.UserID); nick != "" { rmsg.Username = nick } messages <- rmsg } } func (b *Bmattermost) handleMatterHook(messages chan *config.Message) { for { message := b.mh.Receive() b.Log.Debugf("Receiving from matterhook %#v", message) messages <- &config.Message{ UserID: message.UserID, Username: message.UserName, Text: message.Text, Channel: message.ChannelName, } } } // handleUploadFile handles native upload of files func (b *Bmattermost) handleUploadFile(msg *config.Message) (string, error) { var err error var res, id string channelID := b.mc.GetChannelId(msg.Channel, b.TeamID) for _, f := range msg.Extra["file"] { fi := f.(config.FileInfo) id, err = b.mc.UploadFile(*fi.Data, channelID, fi.Name) if err != nil { return "", err } msg.Text = fi.Comment if b.GetBool("PrefixMessagesWithNick") { msg.Text = msg.Username + msg.Text } res, err = b.mc.PostMessageWithFiles(channelID, msg.Text, msg.ParentID, []string{id}) } return res, err } func (b *Bmattermost) handleProps(rmsg *config.Message, message *matterclient.Message) { props := message.Post.Props if props == nil { return } if _, ok := props["override_username"].(string); ok { rmsg.Username = props["override_username"].(string) } if _, ok := props["attachments"].([]interface{}); ok { rmsg.Extra["attachments"] = props["attachments"].([]interface{}) if rmsg.Text == "" { for _, attachment := range rmsg.Extra["attachments"] { attach := attachment.(map[string]interface{}) if attach["text"].(string) != "" { rmsg.Text += attach["text"].(string) continue } if attach["fallback"].(string) != "" { rmsg.Text += attach["fallback"].(string) } } } } }