package matterclient
import (
"errors"
log "github.com/Sirupsen/logrus"
"net/http"
"strings"
"time"
"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
}
type Message struct {
Raw *model.Message
Post *model.Post
Team string
Channel string
Username string
Text string
}
type MMClient struct {
*Credentials
Client *model.Client
WsClient *websocket.Conn
Channels *model.ChannelList
MoreChannels *model.ChannelList
User *model.User
Users map[string]*model.User
MessageChan chan *Message
Team *model.Team
log *log.Entry
}
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)}
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 {
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)
var myinfo *model.Result
var appErr *model.AppError
var logmsg = "trying login"
for {
m.log.Debugf(logmsg+" %s %s %s", m.Credentials.Team, m.Credentials.Login, m.Credentials.Server)
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.Debug("LOGIN: %s, reconnecting in %s", appErr, d)
time.Sleep(d)
logmsg = "retrying login"
continue
}
break
}
// reset timer
b.Reset()
m.User = myinfo.Data.(*model.User)
teamdata, _ := m.Client.GetAllTeamListings()
teams := teamdata.Data.(map[string]*model.Team)
for k, v := range teams {
if v.Name == m.Credentials.Team {
m.Client.SetTeamId(k)
m.Team = v
m.log.Debug("GetallTeamListings: found id ", k)
break
}
}
if m.Team == nil {
return errors.New("team not found")
}
// setup websocket connection
wsurl := wsScheme + m.Credentials.Server + "/api/v3/users/websocket"
header := http.Header{}
header.Set(model.HEADER_AUTH, "BEARER "+m.Client.AuthToken)
var WsClient *websocket.Conn
var err error
for {
WsClient, _, err = websocket.DefaultDialer.Dial(wsurl, header)
if err != nil {
d := b.Duration()
log.Printf("WSS: %s, reconnecting in %s", err, d)
time.Sleep(d)
continue
}
break
}
b.Reset()
m.WsClient = WsClient
// populating users
m.UpdateUsers()
// populating channels
m.UpdateChannels()
return nil
}
func (m *MMClient) WsReceiver() {
var rmsg model.Message
for {
if err := m.WsClient.ReadJSON(&rmsg); err != nil {
log.Println("error:", err)
// reconnect
m.Login()
}
//log.Printf("WsReceiver: %#v", rmsg)
msg := &Message{Raw: &rmsg, Team: m.Credentials.Team}
m.parseMessage(msg)
m.MessageChan <- msg
}
}
func (m *MMClient) parseMessage(rmsg *Message) {
switch rmsg.Raw.Action {
case model.ACTION_POSTED:
m.parseActionPost(rmsg)
/*
case model.ACTION_USER_REMOVED:
m.handleWsActionUserRemoved(&rmsg)
case model.ACTION_USER_ADDED:
m.handleWsActionUserAdded(&rmsg)
*/
}
}
func (m *MMClient) parseActionPost(rmsg *Message) {
data := model.PostFromJson(strings.NewReader(rmsg.Raw.Props["post"]))
// log.Println("receiving userid", data.UserId)
// we don't have the user, refresh the userlist
if m.Users[data.UserId] == nil {
m.UpdateUsers()
}
rmsg.Username = m.Users[data.UserId].Username
rmsg.Channel = m.GetChannelName(data.ChannelId)
// direct message
if strings.Contains(rmsg.Channel, "__") {
//log.Println("direct message")
rcvusers := strings.Split(rmsg.Channel, "__")
if rcvusers[0] != m.User.Id {
rmsg.Channel = m.Users[rcvusers[0]].Username
} else {
rmsg.Channel = m.Users[rcvusers[1]].Username
}
}
rmsg.Text = data.Message
rmsg.Post = data
return
}
func (m *MMClient) UpdateUsers() error {
mmusers, _ := m.Client.GetProfiles(m.Client.GetTeamId(), "")
m.Users = mmusers.Data.(map[string]*model.User)
return nil
}
func (m *MMClient) UpdateChannels() error {
mmchannels, _ := m.Client.GetChannels("")
m.Channels = mmchannels.Data.(*model.ChannelList)
mmchannels, _ = m.Client.GetMoreChannels("")
m.MoreChannels = mmchannels.Data.(*model.ChannelList)
return nil
}
func (m *MMClient) GetChannelName(id string) string {
for _, channel := range append(m.Channels.Channels, m.MoreChannels.Channels...) {
if channel.Id == id {
return channel.Name
}
}
// not found? could be a new direct message from mattermost. Try to update and check again
m.UpdateChannels()
for _, channel := range append(m.Channels.Channels, m.MoreChannels.Channels...) {
if channel.Id == id {
return channel.Name
}
}
return ""
}
func (m *MMClient) GetChannelId(name string) string {
for _, channel := range append(m.Channels.Channels, m.MoreChannels.Channels...) {
if channel.Name == name {
return channel.Id
}
}
return ""
}
func (m *MMClient) GetChannelHeader(id string) string {
for _, channel := range append(m.Channels.Channels, m.MoreChannels.Channels...) {
if channel.Id == id {
return channel.Header
}
}
return ""
}
func (m *MMClient) PostMessage(channel string, text string) {
post := &model.Post{ChannelId: m.GetChannelId(channel), Message: text}
m.Client.CreatePost(post)
}
func (m *MMClient) JoinChannel(channel string) error {
cleanChan := strings.Replace(channel, "#", "", 1)
if m.GetChannelId(cleanChan) == "" {
return errors.New("failed to join")
}
for _, c := range m.Channels.Channels {
if c.Name == cleanChan {
m.log.Debug("Not joining ", cleanChan, " already joined.")
return nil
}
}
m.log.Debug("Joining ", cleanChan)
_, err := m.Client.JoinChannel(m.GetChannelId(cleanChan))
if err != nil {
return errors.New("failed to join")
}
// m.SyncChannel(m.getMMChannelId(strings.Replace(channel, "#", "", 1)), strings.Replace(channel, "#", "", 1))
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) UpdateChannelHeader(channelId string, header string) {
data := make(map[string]string)
data["channel_id"] = channelId
data["channel_header"] = header
log.Printf("updating channelheader %#v, %#v", channelId, header)
_, err := m.Client.UpdateChannelHeader(data)
if err != nil {
log.Print(err)
}
}
func (m *MMClient) UpdateLastViewed(channelId string) {
log.Printf("posting lastview %#v", channelId)
_, err := m.Client.UpdateLastViewedAt(channelId)
if err != nil {
log.Print(err)
}
}
func (m *MMClient) UsernamesInChannel(channelName string) []string {
ceiRes, err := m.Client.GetChannelExtraInfo(m.GetChannelId(channelName), 5000, "")
if err != nil {
log.Errorf("UsernamesInChannel(%s) failed: %s", channelName, err)
return []string{}
}
extra := ceiRes.Data.(*model.ChannelExtra)
result := []string{}
for _, member := range extra.Members {
result = append(result, member.Username)
}
return result
}
