mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-22 11:12:44 +01:00
444 lines
13 KiB
Go
444 lines
13 KiB
Go
package bmattermost
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"github.com/42wim/matterbridge/bridge/config"
|
|
"github.com/42wim/matterbridge/bridge/helper"
|
|
"github.com/42wim/matterbridge/matterclient"
|
|
"github.com/42wim/matterbridge/matterhook"
|
|
log "github.com/sirupsen/logrus"
|
|
"strings"
|
|
)
|
|
|
|
type Bmattermost struct {
|
|
mh *matterhook.Client
|
|
mc *matterclient.MMClient
|
|
TeamId string
|
|
*config.BridgeConfig
|
|
avatarMap map[string]string
|
|
}
|
|
|
|
var flog *log.Entry
|
|
var protocol = "mattermost"
|
|
|
|
func init() {
|
|
flog = log.WithFields(log.Fields{"prefix": protocol})
|
|
}
|
|
|
|
func New(cfg *config.BridgeConfig) *Bmattermost {
|
|
b := &Bmattermost{BridgeConfig: cfg, avatarMap: make(map[string]string)}
|
|
return b
|
|
}
|
|
|
|
func (b *Bmattermost) Command(cmd string) string {
|
|
return ""
|
|
}
|
|
|
|
func (b *Bmattermost) Connect() error {
|
|
if b.Config.WebhookBindAddress != "" {
|
|
if b.Config.WebhookURL != "" {
|
|
flog.Info("Connecting using webhookurl (sending) and webhookbindaddress (receiving)")
|
|
b.mh = matterhook.New(b.Config.WebhookURL,
|
|
matterhook.Config{InsecureSkipVerify: b.Config.SkipTLSVerify,
|
|
BindAddress: b.Config.WebhookBindAddress})
|
|
} else if b.Config.Token != "" {
|
|
flog.Info("Connecting using token (sending)")
|
|
err := b.apiLogin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
} else if b.Config.Login != "" {
|
|
flog.Info("Connecting using login/password (sending)")
|
|
err := b.apiLogin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
flog.Info("Connecting using webhookbindaddress (receiving)")
|
|
b.mh = matterhook.New(b.Config.WebhookURL,
|
|
matterhook.Config{InsecureSkipVerify: b.Config.SkipTLSVerify,
|
|
BindAddress: b.Config.WebhookBindAddress})
|
|
}
|
|
go b.handleMatter()
|
|
return nil
|
|
}
|
|
if b.Config.WebhookURL != "" {
|
|
flog.Info("Connecting using webhookurl (sending)")
|
|
b.mh = matterhook.New(b.Config.WebhookURL,
|
|
matterhook.Config{InsecureSkipVerify: b.Config.SkipTLSVerify,
|
|
DisableServer: true})
|
|
if b.Config.Token != "" {
|
|
flog.Info("Connecting using token (receiving)")
|
|
err := b.apiLogin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
go b.handleMatter()
|
|
} else if b.Config.Login != "" {
|
|
flog.Info("Connecting using login/password (receiving)")
|
|
err := b.apiLogin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
go b.handleMatter()
|
|
}
|
|
return nil
|
|
} else if b.Config.Token != "" {
|
|
flog.Info("Connecting using token (sending and receiving)")
|
|
err := b.apiLogin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
go b.handleMatter()
|
|
} else if b.Config.Login != "" {
|
|
flog.Info("Connecting using login/password (sending and receiving)")
|
|
err := b.apiLogin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
go b.handleMatter()
|
|
}
|
|
if b.Config.WebhookBindAddress == "" && b.Config.WebhookURL == "" && b.Config.Login == "" && b.Config.Token == "" {
|
|
return errors.New("No connection method found. See that you have WebhookBindAddress, WebhookURL or Token/Login/Password/Server/Team configured.")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *Bmattermost) Disconnect() error {
|
|
return nil
|
|
}
|
|
|
|
func (b *Bmattermost) JoinChannel(channel config.ChannelInfo) error {
|
|
// we can only join channels using the API
|
|
if b.Config.WebhookURL == "" && b.Config.WebhookBindAddress == "" {
|
|
id := b.mc.GetChannelId(channel.Name, "")
|
|
if id == "" {
|
|
return fmt.Errorf("Could not find channel ID for channel %s", channel.Name)
|
|
}
|
|
return b.mc.JoinChannel(id)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (b *Bmattermost) Send(msg config.Message) (string, error) {
|
|
flog.Debugf("Receiving %#v", msg)
|
|
|
|
// Make a action /me of the message
|
|
if msg.Event == config.EVENT_USER_ACTION {
|
|
msg.Text = "*" + msg.Text + "*"
|
|
}
|
|
|
|
// map the file SHA to our user (caches the avatar)
|
|
if msg.Event == config.EVENT_AVATAR_DOWNLOAD {
|
|
return b.cacheAvatar(&msg)
|
|
}
|
|
|
|
// Use webhook to send the message
|
|
if b.Config.WebhookURL != "" {
|
|
return b.sendWebhook(msg)
|
|
}
|
|
|
|
// Delete message
|
|
if msg.Event == config.EVENT_MSG_DELETE {
|
|
if msg.ID == "" {
|
|
return "", nil
|
|
}
|
|
return msg.ID, b.mc.DeleteMessage(msg.ID)
|
|
}
|
|
|
|
// Upload a file if it exists
|
|
if msg.Extra != nil {
|
|
for _, rmsg := range helper.HandleExtra(&msg, b.General) {
|
|
b.mc.PostMessage(b.mc.GetChannelId(rmsg.Channel, ""), rmsg.Username+rmsg.Text)
|
|
}
|
|
if len(msg.Extra["file"]) > 0 {
|
|
return b.handleUploadFile(&msg)
|
|
}
|
|
}
|
|
|
|
// Prepend nick if configured
|
|
if b.Config.PrefixMessagesWithNick {
|
|
msg.Text = msg.Username + msg.Text
|
|
}
|
|
|
|
// Edit message if we have an ID
|
|
if msg.ID != "" {
|
|
return b.mc.EditMessage(msg.ID, msg.Text)
|
|
}
|
|
|
|
// Post normal message
|
|
return b.mc.PostMessage(b.mc.GetChannelId(msg.Channel, ""), msg.Text)
|
|
}
|
|
|
|
func (b *Bmattermost) handleMatter() {
|
|
messages := make(chan *config.Message)
|
|
if b.Config.WebhookBindAddress != "" {
|
|
flog.Debugf("Choosing webhooks based receiving")
|
|
go b.handleMatterHook(messages)
|
|
} else {
|
|
if b.Config.Token != "" {
|
|
flog.Debugf("Choosing token based receiving")
|
|
} else {
|
|
flog.Debugf("Choosing login/password based receiving")
|
|
}
|
|
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.EVENT_USER_ACTION
|
|
}
|
|
flog.Debugf("Sending message from %s on %s to gateway", message.Username, b.Account)
|
|
flog.Debugf("Message is %#v", message)
|
|
b.Remote <- *message
|
|
}
|
|
}
|
|
|
|
func (b *Bmattermost) handleMatterClient(messages chan *config.Message) {
|
|
for message := range b.mc.MessageChan {
|
|
flog.Debugf("%#v", message.Raw.Data)
|
|
|
|
if b.skipMessage(message) {
|
|
flog.Debugf("Skipped message: %#v", message)
|
|
continue
|
|
}
|
|
|
|
// only download avatars if we have a place to upload them (configured mediaserver)
|
|
if b.General.MediaServerUpload != "" {
|
|
b.handleDownloadAvatar(message.UserID, message.Channel)
|
|
}
|
|
|
|
flog.Debugf("Receiving from matterclient %#v", message)
|
|
|
|
rmsg := &config.Message{Username: message.Username, UserID: message.UserID, Channel: message.Channel, Text: message.Text, ID: message.Post.Id, Extra: make(map[string][]interface{})}
|
|
|
|
// handle mattermost post properties (override username and attachments)
|
|
props := message.Post.Props
|
|
if props != nil {
|
|
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{})
|
|
}
|
|
}
|
|
|
|
// create a text for bridges that don't support native editing
|
|
if message.Raw.Event == "post_edited" && !b.Config.EditDisable {
|
|
rmsg.Text = message.Text + b.Config.EditSuffix
|
|
}
|
|
|
|
if message.Raw.Event == "post_deleted" {
|
|
rmsg.Event = config.EVENT_MSG_DELETE
|
|
}
|
|
|
|
if len(message.Post.FileIds) > 0 {
|
|
for _, id := range message.Post.FileIds {
|
|
err := b.handleDownloadFile(rmsg, id)
|
|
if err != nil {
|
|
flog.Errorf("download failed: %s", err)
|
|
}
|
|
}
|
|
}
|
|
messages <- rmsg
|
|
}
|
|
}
|
|
|
|
func (b *Bmattermost) handleMatterHook(messages chan *config.Message) {
|
|
for {
|
|
message := b.mh.Receive()
|
|
flog.Debugf("Receiving from matterhook %#v", message)
|
|
messages <- &config.Message{UserID: message.UserID, Username: message.UserName, Text: message.Text, Channel: message.ChannelName}
|
|
}
|
|
}
|
|
|
|
func (b *Bmattermost) apiLogin() error {
|
|
password := b.Config.Password
|
|
if b.Config.Token != "" {
|
|
password = "MMAUTHTOKEN=" + b.Config.Token
|
|
}
|
|
|
|
b.mc = matterclient.New(b.Config.Login, password, b.Config.Team, b.Config.Server)
|
|
if b.General.Debug {
|
|
b.mc.SetLogLevel("debug")
|
|
}
|
|
b.mc.SkipTLSVerify = b.Config.SkipTLSVerify
|
|
b.mc.NoTLS = b.Config.NoTLS
|
|
flog.Infof("Connecting %s (team: %s) on %s", b.Config.Login, b.Config.Team, b.Config.Server)
|
|
err := b.mc.Login()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
flog.Info("Connection succeeded")
|
|
b.TeamId = b.mc.GetTeamId()
|
|
go b.mc.WsReceiver()
|
|
go b.mc.StatusLoop()
|
|
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 != "" {
|
|
flog.Debugf("Added %s to %s in avatarMap", fi.SHA, msg.UserID)
|
|
b.avatarMap[msg.UserID] = fi.SHA
|
|
}
|
|
return "", nil
|
|
}
|
|
|
|
// 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.EVENT_AVATAR_DOWNLOAD, Extra: make(map[string][]interface{})}
|
|
if _, ok := b.avatarMap[userid]; !ok {
|
|
data, resp := b.mc.Client.GetProfileImage(userid, "")
|
|
if resp.Error != nil {
|
|
flog.Errorf("ProfileImage download failed for %#v %s", userid, resp.Error)
|
|
return
|
|
}
|
|
err := helper.HandleDownloadSize(flog, &rmsg, userid+".png", int64(len(data)), b.General)
|
|
if err != nil {
|
|
flog.Error(err)
|
|
return
|
|
}
|
|
helper.HandleDownloadData(flog, &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(flog, rmsg, finfo.Name, int64(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(flog, rmsg, finfo.Name, rmsg.Text, url, &data, b.General)
|
|
return nil
|
|
}
|
|
|
|
// 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, "")
|
|
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.Config.PrefixMessagesWithNick {
|
|
msg.Text = msg.Username + msg.Text
|
|
}
|
|
res, err = b.mc.PostMessageWithFiles(channelID, msg.Text, []string{id})
|
|
}
|
|
return res, err
|
|
}
|
|
|
|
// sendWebhook uses the configured WebhookURL to send the message
|
|
func (b *Bmattermost) sendWebhook(msg config.Message) (string, error) {
|
|
if b.Config.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) {
|
|
matterMessage := matterhook.OMessage{IconURL: b.Config.IconURL, Channel: rmsg.Channel, UserName: rmsg.Username, Text: rmsg.Text, Props: make(map[string]interface{})}
|
|
matterMessage.Props["matterbridge"] = true
|
|
b.mh.Send(matterMessage)
|
|
}
|
|
|
|
// 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
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
matterMessage := matterhook.OMessage{IconURL: b.Config.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"] = true
|
|
err := b.mh.Send(matterMessage)
|
|
if err != nil {
|
|
flog.Info(err)
|
|
return "", err
|
|
}
|
|
return "", nil
|
|
}
|
|
|
|
// skipMessages returns true if this message should not be handled
|
|
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" {
|
|
flog.Debugf("Sending JOIN_LEAVE event from %s to gateway", b.Account)
|
|
b.Remote <- config.Message{Username: "system", Text: message.Text, Channel: message.Channel, Account: b.Account, Event: config.EVENT_JOIN_LEAVE}
|
|
return true
|
|
}
|
|
|
|
// Handle edited messages
|
|
if (message.Raw.Event == "post_edited") && b.Config.EditDisable {
|
|
return true
|
|
}
|
|
|
|
// Ignore messages sent from matterbridge
|
|
if message.Post.Props != nil {
|
|
if _, ok := message.Post.Props["matterbridge"].(bool); ok {
|
|
flog.Debugf("sent by matterbridge, ignoring")
|
|
return true
|
|
}
|
|
}
|
|
|
|
// Ignore messages sent from a user logged in as the bot
|
|
if b.mc.User.Username == message.Username {
|
|
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.Data["team_id"].(string) != b.TeamId {
|
|
return true
|
|
}
|
|
|
|
// only handle posted, edited or deleted events
|
|
if !(message.Raw.Event == "posted" || message.Raw.Event == "post_edited" || message.Raw.Event == "post_deleted") {
|
|
return true
|
|
}
|
|
return false
|
|
}
|