1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
package matterclient
import (
"encoding/json"
"fmt"
"strings"
"sync"
"time"
"github.com/gorilla/websocket"
"github.com/hashicorp/golang-lru"
"github.com/jpillora/backoff"
prefixed "github.com/matterbridge/logrus-prefixed-formatter"
"github.com/mattermost/mattermost-server/model"
"github.com/sirupsen/logrus"
)
type Credentials struct {
Login string
Team string
Pass string
Token string
CookieToken bool
Server string
NoTLS bool
SkipTLSVerify bool
}
type Message struct {
Raw *model.WebSocketEvent
Post *model.Post
Team string
Channel string
Username string
Text string
Type string
UserID string
}
//nolint:golint
type Team struct {
Team *model.Team
Id string
Channels []*model.Channel
MoreChannels []*model.Channel
Users map[string]*model.User
}
type MMClient struct {
sync.RWMutex
*Credentials
Team *Team
OtherTeams []*Team
Client *model.Client4
User *model.User
Users map[string]*model.User
MessageChan chan *Message
log *logrus.Entry
WsClient *websocket.Conn
WsQuit bool
WsAway bool
WsConnected bool
WsSequence int64
WsPingChan chan *model.WebSocketResponse
ServerVersion string
OnWsConnect func()
lruCache *lru.Cache
}
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)}
logrus.SetFormatter(&prefixed.TextFormatter{PrefixPadding: 13, DisableColors: true})
mmclient.log = logrus.WithFields(logrus.Fields{"prefix": "matterclient"})
mmclient.lruCache, _ = lru.New(500)
return mmclient
}
func (m *MMClient) SetDebugLog() {
logrus.SetFormatter(&prefixed.TextFormatter{PrefixPadding: 13, DisableColors: true, FullTimestamp: false, ForceFormatting: true})
}
func (m *MMClient) SetLogLevel(level string) {
l, err := logrus.ParseLevel(level)
if err != nil {
logrus.SetLevel(logrus.InfoLevel)
return
}
logrus.SetLevel(l)
}
func (m *MMClient) Login() error {
// check if this is a first connect or a reconnection
firstConnection := true
if m.WsConnected {
firstConnection = false
}
m.WsConnected = false
if m.WsQuit {
return nil
}
b := &backoff.Backoff{
Min: time.Second,
Max: 5 * time.Minute,
Jitter: true,
}
// do initialization setup
if err := m.initClient(firstConnection, b); err != nil {
return err
}
if err := m.doLogin(firstConnection, b); err != nil {
return err
}
if err := m.initUser(); err != nil {
return err
}
if m.Team == nil {
validTeamNames := make([]string, len(m.OtherTeams))
for i, t := range m.OtherTeams {
validTeamNames[i] = t.Team.Name
}
return fmt.Errorf("Team '%s' not found in %v", m.Credentials.Team, validTeamNames)
}
m.wsConnect()
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()
if strings.Contains(m.Credentials.Pass, model.SESSION_COOKIE_TOKEN) {
m.log.Debug("Not invalidating session in logout, credential is a token")
return nil
}
_, resp := m.Client.Logout()
if resp.Error != nil {
return resp.Error
}
return nil
}
func (m *MMClient) WsReceiver() {
for {
var rawMsg json.RawMessage
var err error
if m.WsQuit {
m.log.Debug("exiting WsReceiver")
return
}
if !m.WsConnected {
time.Sleep(time.Millisecond * 100)
continue
}
if _, rawMsg, err = m.WsClient.ReadMessage(); err != nil {
m.log.Error("error:", err)
// reconnect
m.wsConnect()
}
var event model.WebSocketEvent
if err := json.Unmarshal(rawMsg, &event); err == nil && event.IsValid() {
m.log.Debugf("WsReceiver event: %#v", event)
msg := &Message{Raw: &event, Team: m.Credentials.Team}
m.parseMessage(msg)
// check if we didn't empty the message
if msg.Text != "" {
m.MessageChan <- msg
continue
}
// if we have file attached but the message is empty, also send it
if msg.Post != nil {
if msg.Text != "" || len(msg.Post.FileIds) > 0 || msg.Post.Type == "slack_attachment" {
m.MessageChan <- msg
}
}
continue
}
var response model.WebSocketResponse
if err := json.Unmarshal(rawMsg, &response); err == nil && response.IsValid() {
m.log.Debugf("WsReceiver response: %#v", response)
m.parseResponse(response)
continue
}
}
}
func (m *MMClient) StatusLoop() {
retries := 0
backoff := time.Second * 60
if m.OnWsConnect != nil {
m.OnWsConnect()
}
m.log.Debug("StatusLoop:", m.OnWsConnect != nil)
for {
if m.WsQuit {
return
}
if m.WsConnected {
if err := m.checkAlive(); err != nil {
logrus.Errorf("Connection is not alive: %#v", err)
}
select {
case <-m.WsPingChan:
m.log.Debug("WS PONG received")
backoff = time.Second * 60
case <-time.After(time.Second * 5):
if retries > 3 {
m.log.Debug("StatusLoop() timeout")
m.Logout()
m.WsQuit = false
err := m.Login()
if err != nil {
logrus.Errorf("Login failed: %#v", err)
break
}
if m.OnWsConnect != nil {
m.OnWsConnect()
}
go m.WsReceiver()
} else {
retries++
backoff = time.Second * 5
}
}
}
time.Sleep(backoff)
}
}
|
