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matterbridge/matterclient/matterclient.go

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package matterclient
import (
"crypto/tls"
"encoding/json"
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"errors"
"net/http"
"net/http/cookiejar"
"net/url"
"strings"
"sync"
"time"
log "github.com/Sirupsen/logrus"
"github.com/gorilla/websocket"
"github.com/jpillora/backoff"
"github.com/mattermost/platform/model"
)
type Credentials struct {
Login string
Team string
Pass string
Server string
NoTLS bool
SkipTLSVerify bool
}
type Message struct {
Raw *model.WebSocketEvent
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Post *model.Post
Team string
Channel string
Username string
Text string
}
type Team struct {
Team *model.Team
Id string
Channels *model.ChannelList
MoreChannels *model.ChannelList
Users map[string]*model.User
}
type MMClient struct {
sync.RWMutex
*Credentials
Team *Team
OtherTeams []*Team
Client *model.Client
User *model.User
Users map[string]*model.User
MessageChan chan *Message
log *log.Entry
WsClient *websocket.Conn
WsQuit bool
WsAway bool
WsConnected bool
WsSequence int64
WsPingChan chan *model.WebSocketResponse
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}
func New(login, pass, team, server string) *MMClient {
cred := &Credentials{Login: login, Pass: pass, Team: team, Server: server}
mmclient := &MMClient{Credentials: cred, MessageChan: make(chan *Message, 100), Users: make(map[string]*model.User)}
mmclient.log = log.WithFields(log.Fields{"module": "matterclient"})
log.SetFormatter(&log.TextFormatter{FullTimestamp: true})
return mmclient
}
func (m *MMClient) SetLogLevel(level string) {
l, err := log.ParseLevel(level)
if err != nil {
log.SetLevel(log.InfoLevel)
return
}
log.SetLevel(l)
}
func (m *MMClient) Login() error {
m.WsConnected = false
if m.WsQuit {
return nil
}
b := &backoff.Backoff{
Min: time.Second,
Max: 5 * time.Minute,
Jitter: true,
}
uriScheme := "https://"
wsScheme := "wss://"
if m.NoTLS {
uriScheme = "http://"
wsScheme = "ws://"
}
// login to mattermost
m.Client = model.NewClient(uriScheme + m.Credentials.Server)
m.Client.HttpClient.Transport = &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: m.SkipTLSVerify}}
var myinfo *model.Result
var appErr *model.AppError
var logmsg = "trying login"
for {
m.log.Debugf("%s %s %s %s", logmsg, m.Credentials.Team, m.Credentials.Login, m.Credentials.Server)
if strings.Contains(m.Credentials.Pass, model.SESSION_COOKIE_TOKEN) {
m.log.Debugf(logmsg+" with %s", model.SESSION_COOKIE_TOKEN)
token := strings.Split(m.Credentials.Pass, model.SESSION_COOKIE_TOKEN+"=")
if len(token) != 2 {
return errors.New("incorrect MMAUTHTOKEN. valid input is MMAUTHTOKEN=yourtoken")
}
m.Client.HttpClient.Jar = m.createCookieJar(token[1])
m.Client.MockSession(token[1])
myinfo, appErr = m.Client.GetMe("")
if appErr != nil {
return errors.New(appErr.DetailedError)
}
if myinfo.Data.(*model.User) == nil {
m.log.Errorf("LOGIN TOKEN: %s is invalid", m.Credentials.Pass)
return errors.New("invalid " + model.SESSION_COOKIE_TOKEN)
}
} else {
myinfo, appErr = m.Client.Login(m.Credentials.Login, m.Credentials.Pass)
}
if appErr != nil {
d := b.Duration()
m.log.Debug(appErr.DetailedError)
if !strings.Contains(appErr.DetailedError, "connection refused") &&
!strings.Contains(appErr.DetailedError, "invalid character") {
if appErr.Message == "" {
return errors.New(appErr.DetailedError)
}
return errors.New(appErr.Message)
}
m.log.Debugf("LOGIN: %s, reconnecting in %s", appErr, d)
time.Sleep(d)
logmsg = "retrying login"
continue
}
break
}
// reset timer
b.Reset()
err := m.initUser()
if err != nil {
return err
}
if m.Team == nil {
return errors.New("team not found")
}
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// set our team id as default route
m.Client.SetTeamId(m.Team.Id)
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// setup websocket connection
wsurl := wsScheme + m.Credentials.Server + model.API_URL_SUFFIX + "/users/websocket"
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header := http.Header{}
header.Set(model.HEADER_AUTH, "BEARER "+m.Client.AuthToken)
m.log.Debug("WsClient: making connection")
for {
wsDialer := &websocket.Dialer{Proxy: http.ProxyFromEnvironment, TLSClientConfig: &tls.Config{InsecureSkipVerify: m.SkipTLSVerify}}
m.WsClient, _, err = wsDialer.Dial(wsurl, header)
if err != nil {
d := b.Duration()
m.log.Debugf("WSS: %s, reconnecting in %s", err, d)
time.Sleep(d)
continue
}
break
}
b.Reset()
m.WsSequence = 1
m.WsPingChan = make(chan *model.WebSocketResponse)
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// only start to parse WS messages when login is completely done
m.WsConnected = true
return nil
}
func (m *MMClient) Logout() error {
m.log.Debugf("logout as %s (team: %s) on %s", m.Credentials.Login, m.Credentials.Team, m.Credentials.Server)
m.WsQuit = true
m.WsClient.Close()
m.WsClient.UnderlyingConn().Close()
m.WsClient = nil
_, err := m.Client.Logout()
if err != nil {
return err
}
return nil
}
func (m *MMClient) WsReceiver() {
for {
var rawMsg json.RawMessage
var err error
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if !m.WsConnected {
continue
}
if m.WsQuit {
m.log.Debug("exiting WsReceiver")
return
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}
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if _, rawMsg, err = m.WsClient.ReadMessage(); err != nil {
m.log.Error("error:", err)
// reconnect
m.Login()
}
var event model.WebSocketEvent
if err := json.Unmarshal(rawMsg, &event); err == nil && event.IsValid() {
m.log.Debugf("WsReceiver: %#v", event)
msg := &Message{Raw: &event, Team: m.Credentials.Team}
m.parseMessage(msg)
m.MessageChan <- msg
continue
}
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var response model.WebSocketResponse
if err := json.Unmarshal(rawMsg, &response); err == nil && response.IsValid() {
m.log.Debugf("WsReceiver: %#v", response)
m.parseResponse(response)
continue
}
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}
}
func (m *MMClient) parseMessage(rmsg *Message) {
switch rmsg.Raw.Event {
case model.WEBSOCKET_EVENT_POSTED:
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m.parseActionPost(rmsg)
/*
case model.ACTION_USER_REMOVED:
m.handleWsActionUserRemoved(&rmsg)
case model.ACTION_USER_ADDED:
m.handleWsActionUserAdded(&rmsg)
*/
}
}
func (m *MMClient) parseResponse(rmsg model.WebSocketResponse) {
if rmsg.Data != nil {
// ping reply
if rmsg.Data["text"].(string) == "pong" {
m.WsPingChan <- &rmsg
}
}
}
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func (m *MMClient) parseActionPost(rmsg *Message) {
data := model.PostFromJson(strings.NewReader(rmsg.Raw.Data["post"].(string)))
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// we don't have the user, refresh the userlist
if m.GetUser(data.UserId) == nil {
m.UpdateUsers()
}
rmsg.Username = m.GetUser(data.UserId).Username
rmsg.Channel = m.GetChannelName(data.ChannelId)
rmsg.Team = m.GetTeamName(rmsg.Raw.TeamId)
// direct message
if rmsg.Raw.Data["channel_type"] == "D" {
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rmsg.Channel = m.GetUser(data.UserId).Username
}
rmsg.Text = data.Message
rmsg.Post = data
return
}
func (m *MMClient) UpdateUsers() error {
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mmusers, err := m.Client.GetProfilesForDirectMessageList(m.Team.Id)
if err != nil {
return errors.New(err.DetailedError)
}
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m.Lock()
m.Users = mmusers.Data.(map[string]*model.User)
m.Unlock()
return nil
}
func (m *MMClient) UpdateChannels() error {
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mmchannels, err := m.Client.GetChannels("")
if err != nil {
return errors.New(err.DetailedError)
}
mmchannels2, err := m.Client.GetMoreChannels("")
if err != nil {
return errors.New(err.DetailedError)
}
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m.Lock()
m.Team.Channels = mmchannels.Data.(*model.ChannelList)
m.Team.MoreChannels = mmchannels2.Data.(*model.ChannelList)
m.Unlock()
return nil
}
func (m *MMClient) GetChannelName(channelId string) string {
m.RLock()
defer m.RUnlock()
for _, t := range m.OtherTeams {
for _, channel := range append(t.Channels.Channels, t.MoreChannels.Channels...) {
if channel.Id == channelId {
return channel.Name
}
}
}
return ""
}
func (m *MMClient) GetChannelId(name string, teamId string) string {
m.RLock()
defer m.RUnlock()
if teamId == "" {
teamId = m.Team.Id
}
for _, t := range m.OtherTeams {
if t.Id == teamId {
for _, channel := range append(t.Channels.Channels, t.MoreChannels.Channels...) {
if channel.Name == name {
return channel.Id
}
}
}
}
return ""
}
func (m *MMClient) GetChannelHeader(channelId string) string {
m.RLock()
defer m.RUnlock()
for _, t := range m.OtherTeams {
for _, channel := range append(t.Channels.Channels, t.MoreChannels.Channels...) {
if channel.Id == channelId {
return channel.Header
}
}
}
return ""
}
func (m *MMClient) PostMessage(channelId string, text string) {
post := &model.Post{ChannelId: channelId, Message: text}
m.Client.CreatePost(post)
}
func (m *MMClient) JoinChannel(channelId string) error {
m.RLock()
defer m.RUnlock()
for _, c := range m.Team.Channels.Channels {
if c.Id == channelId {
m.log.Debug("Not joining ", channelId, " already joined.")
return nil
}
}
m.log.Debug("Joining ", channelId)
_, err := m.Client.JoinChannel(channelId)
if err != nil {
return errors.New("failed to join")
}
return nil
}
func (m *MMClient) GetPostsSince(channelId string, time int64) *model.PostList {
res, err := m.Client.GetPostsSince(channelId, time)
if err != nil {
return nil
}
return res.Data.(*model.PostList)
}
func (m *MMClient) SearchPosts(query string) *model.PostList {
res, err := m.Client.SearchPosts(query, false)
if err != nil {
return nil
}
return res.Data.(*model.PostList)
}
func (m *MMClient) GetPosts(channelId string, limit int) *model.PostList {
res, err := m.Client.GetPosts(channelId, 0, limit, "")
if err != nil {
return nil
}
return res.Data.(*model.PostList)
}
func (m *MMClient) GetPublicLink(filename string) string {
res, err := m.Client.GetPublicLink(filename)
if err != nil {
return ""
}
return res.Data.(string)
}
func (m *MMClient) GetPublicLinks(filenames []string) []string {
var output []string
for _, f := range filenames {
res, err := m.Client.GetPublicLink(f)
if err != nil {
continue
}
output = append(output, res.Data.(string))
}
return output
}
func (m *MMClient) UpdateChannelHeader(channelId string, header string) {
data := make(map[string]string)
data["channel_id"] = channelId
data["channel_header"] = header
m.log.Debugf("updating channelheader %#v, %#v", channelId, header)
_, err := m.Client.UpdateChannelHeader(data)
if err != nil {
log.Error(err)
}
}
func (m *MMClient) UpdateLastViewed(channelId string) {
m.log.Debugf("posting lastview %#v", channelId)
_, err := m.Client.UpdateLastViewedAt(channelId)
if err != nil {
m.log.Error(err)
}
}
func (m *MMClient) UsernamesInChannel(channelId string) []string {
ceiRes, err := m.Client.GetChannelExtraInfo(channelId, 5000, "")
if err != nil {
m.log.Errorf("UsernamesInChannel(%s) failed: %s", channelId, err)
return []string{}
}
extra := ceiRes.Data.(*model.ChannelExtra)
result := []string{}
for _, member := range extra.Members {
result = append(result, member.Username)
}
return result
}
func (m *MMClient) createCookieJar(token string) *cookiejar.Jar {
var cookies []*http.Cookie
jar, _ := cookiejar.New(nil)
firstCookie := &http.Cookie{
Name: "MMAUTHTOKEN",
Value: token,
Path: "/",
Domain: m.Credentials.Server,
}
cookies = append(cookies, firstCookie)
cookieURL, _ := url.Parse("https://" + m.Credentials.Server)
jar.SetCookies(cookieURL, cookies)
return jar
}
// SendDirectMessage sends a direct message to specified user
func (m *MMClient) SendDirectMessage(toUserId string, msg string) {
m.log.Debugf("SendDirectMessage to %s, msg %s", toUserId, msg)
// create DM channel (only happens on first message)
_, err := m.Client.CreateDirectChannel(toUserId)
if err != nil {
m.log.Debugf("SendDirectMessage to %#v failed: %s", toUserId, err)
}
channelName := model.GetDMNameFromIds(toUserId, m.User.Id)
// update our channels
mmchannels, _ := m.Client.GetChannels("")
m.Lock()
m.Team.Channels = mmchannels.Data.(*model.ChannelList)
m.Unlock()
// build & send the message
msg = strings.Replace(msg, "\r", "", -1)
post := &model.Post{ChannelId: m.GetChannelId(channelName, ""), Message: msg}
m.Client.CreatePost(post)
}
// GetTeamName returns the name of the specified teamId
func (m *MMClient) GetTeamName(teamId string) string {
m.RLock()
defer m.RUnlock()
for _, t := range m.OtherTeams {
if t.Id == teamId {
return t.Team.Name
}
}
return ""
}
// GetChannels returns all channels we're members off
func (m *MMClient) GetChannels() []*model.Channel {
m.RLock()
defer m.RUnlock()
var channels []*model.Channel
// our primary team channels first
channels = append(channels, m.Team.Channels.Channels...)
for _, t := range m.OtherTeams {
if t.Id != m.Team.Id {
channels = append(channels, t.Channels.Channels...)
}
}
return channels
}
// GetMoreChannels returns existing channels where we're not a member off.
func (m *MMClient) GetMoreChannels() []*model.Channel {
m.RLock()
defer m.RUnlock()
var channels []*model.Channel
for _, t := range m.OtherTeams {
channels = append(channels, t.MoreChannels.Channels...)
}
return channels
}
// GetTeamFromChannel returns teamId belonging to channel (DM channels have no teamId).
func (m *MMClient) GetTeamFromChannel(channelId string) string {
m.RLock()
defer m.RUnlock()
var channels []*model.Channel
for _, t := range m.OtherTeams {
channels = append(channels, t.Channels.Channels...)
channels = append(channels, t.MoreChannels.Channels...)
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for _, c := range channels {
if c.Id == channelId {
return t.Id
}
}
}
return ""
}
func (m *MMClient) GetLastViewedAt(channelId string) int64 {
m.RLock()
defer m.RUnlock()
for _, t := range m.OtherTeams {
if _, ok := t.Channels.Members[channelId]; ok {
return t.Channels.Members[channelId].LastViewedAt
}
}
return 0
}
func (m *MMClient) GetUsers() map[string]*model.User {
users := make(map[string]*model.User)
m.RLock()
defer m.RUnlock()
for k, v := range m.Users {
users[k] = v
}
return users
}
func (m *MMClient) GetUser(userId string) *model.User {
m.RLock()
defer m.RUnlock()
return m.Users[userId]
}
func (m *MMClient) GetStatus(userId string) string {
res, err := m.Client.GetStatuses()
if err != nil {
return ""
}
status := res.Data.(map[string]string)
if status[userId] == model.STATUS_AWAY {
return "away"
}
if status[userId] == model.STATUS_ONLINE {
return "online"
}
return "offline"
}
func (m *MMClient) StatusLoop() {
for {
if m.WsQuit {
return
}
if m.WsConnected {
m.log.Debug("WS PING")
m.sendWSRequest("ping", nil)
select {
case <-m.WsPingChan:
m.log.Debug("WS PONG received")
case <-time.After(time.Second * 5):
m.Logout()
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m.WsQuit = false
m.Login()
}
}
time.Sleep(time.Second * 60)
}
}
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// initialize user and teams
func (m *MMClient) initUser() error {
m.Lock()
defer m.Unlock()
m.log.Debug("initUser()")
initLoad, err := m.Client.GetInitialLoad()
if err != nil {
return err
}
initData := initLoad.Data.(*model.InitialLoad)
m.User = initData.User
// we only load all team data on initial login.
// all other updates are for channels from our (primary) team only.
m.log.Debug("initUser(): loading all team data")
for _, v := range initData.Teams {
m.Client.SetTeamId(v.Id)
mmusers, _ := m.Client.GetProfiles(v.Id, "")
t := &Team{Team: v, Users: mmusers.Data.(map[string]*model.User), Id: v.Id}
mmchannels, _ := m.Client.GetChannels("")
t.Channels = mmchannels.Data.(*model.ChannelList)
mmchannels, _ = m.Client.GetMoreChannels("")
t.MoreChannels = mmchannels.Data.(*model.ChannelList)
m.OtherTeams = append(m.OtherTeams, t)
if v.Name == m.Credentials.Team {
m.Team = t
m.log.Debugf("initUser(): found our team %s (id: %s)", v.Name, v.Id)
}
// add all users
for k, v := range t.Users {
m.Users[k] = v
}
}
return nil
}
func (m *MMClient) sendWSRequest(action string, data map[string]interface{}) error {
req := &model.WebSocketRequest{}
req.Seq = m.WsSequence
req.Action = action
req.Data = data
m.WsSequence++
m.log.Debugf("sendWsRequest %#v", req)
m.WsClient.WriteJSON(req)
return nil
}