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
|
package bwhatsapp
import (
"fmt"
"mime"
"strings"
"time"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
"github.com/Rhymen/go-whatsapp"
"github.com/jpillora/backoff"
)
/*
Implement handling messages coming from WhatsApp
Check:
- https://github.com/Rhymen/go-whatsapp#add-message-handlers
- https://github.com/Rhymen/go-whatsapp/blob/master/handler.go
- https://github.com/tulir/mautrix-whatsapp/tree/master/whatsapp-ext for more advanced command handling
*/
// HandleError received from WhatsApp
func (b *Bwhatsapp) HandleError(err error) {
// ignore received invalid data errors. https://github.com/42wim/matterbridge/issues/843
// ignore tag 174 errors. https://github.com/42wim/matterbridge/issues/1094
if strings.Contains(err.Error(), "error processing data: received invalid data") || strings.Contains(err.Error(), "invalid string with tag 174") {
return
}
switch err.(type) {
case *whatsapp.ErrConnectionClosed, *whatsapp.ErrConnectionFailed:
b.reconnect(err)
default:
switch err {
case whatsapp.ErrConnectionTimeout:
b.reconnect(err)
default:
b.Log.Errorf("%v", err)
}
}
}
func (b *Bwhatsapp) reconnect(err error) {
bf := &backoff.Backoff{
Min: time.Second,
Max: 5 * time.Minute,
Jitter: true,
}
for {
d := bf.Duration()
b.Log.Errorf("Connection failed, underlying error: %v", err)
b.Log.Infof("Waiting %s...", d)
time.Sleep(d)
b.Log.Info("Reconnecting...")
err := b.conn.Restore()
if err == nil {
bf.Reset()
b.startedAt = uint64(time.Now().Unix())
return
}
}
}
// HandleTextMessage sent from WhatsApp, relay it to the brige
func (b *Bwhatsapp) HandleTextMessage(message whatsapp.TextMessage) {
if message.Info.FromMe { // || !strings.Contains(strings.ToLower(message.Text), "@echo") {
return
}
// whatsapp sends last messages to show context , cut them
if message.Info.Timestamp < b.startedAt {
return
}
messageTime := time.Unix(int64(message.Info.Timestamp), 0) // TODO check how behaves between timezones
groupJID := message.Info.RemoteJid
senderJID := message.Info.SenderJid
if len(senderJID) == 0 {
// TODO workaround till https://github.com/Rhymen/go-whatsapp/issues/86 resolved
if message.Info.Source != nil {
senderJID = *message.Info.Source.Participant
}
}
// translate sender's JID to the nicest username we can get
senderName := b.getSenderName(senderJID)
if senderName == "" {
senderName = "Someone" // don't expose telephone number
}
extText := message.Info.Source.Message.ExtendedTextMessage
if extText != nil && extText.ContextInfo != nil && extText.ContextInfo.MentionedJid != nil {
// handle user mentions
for _, mentionedJID := range extText.ContextInfo.MentionedJid {
numberAndSuffix := strings.SplitN(mentionedJID, "@", 2)
// mentions comes as telephone numbers and we don't want to expose it to other bridges
// replace it with something more meaninful to others
mention := b.getSenderNotify(numberAndSuffix[0] + "@s.whatsapp.net")
if mention == "" {
mention = "someone"
}
message.Text = strings.Replace(message.Text, "@"+numberAndSuffix[0], "@"+mention, 1)
}
}
b.Log.Debugf("<= Sending message from %s on %s to gateway", senderJID, b.Account)
rmsg := config.Message{
UserID: senderJID,
Username: senderName,
Text: message.Text,
Timestamp: messageTime,
Channel: groupJID,
Account: b.Account,
Protocol: b.Protocol,
Extra: make(map[string][]interface{}),
// ParentID: TODO, // TODO handle thread replies // map from Info.QuotedMessageID string
// Event string `json:"event"`
// Gateway string // will be added during message processing
ID: message.Info.Id}
if avatarURL, exists := b.userAvatars[senderJID]; exists {
rmsg.Avatar = avatarURL
}
b.Log.Debugf("<= Message is %#v", rmsg)
b.Remote <- rmsg
}
// HandleImageMessage sent from WhatsApp, relay it to the brige
func (b *Bwhatsapp) HandleImageMessage(message whatsapp.ImageMessage) {
if message.Info.FromMe { // || !strings.Contains(strings.ToLower(message.Text), "@echo") {
return
}
// whatsapp sends last messages to show context , cut them
if message.Info.Timestamp < b.startedAt {
return
}
messageTime := time.Unix(int64(message.Info.Timestamp), 0) // TODO check how behaves between timezones
groupJID := message.Info.RemoteJid
senderJID := message.Info.SenderJid
// if len(senderJid) == 0 {
// // TODO workaround till https://github.com/Rhymen/go-whatsapp/issues/86 resolved
// senderJid = *message.Info.Source.Participant
// }
// translate sender's Jid to the nicest username we can get
senderName := b.getSenderName(senderJID)
if senderName == "" {
senderName = "Someone" // don't expose telephone number
}
b.Log.Debugf("<= Sending message from %s on %s to gateway", senderJID, b.Account)
rmsg := config.Message{
UserID: senderJID,
Username: senderName,
Timestamp: messageTime,
Channel: groupJID,
Account: b.Account,
Protocol: b.Protocol,
Extra: make(map[string][]interface{}),
// ParentID: TODO, // TODO handle thread replies // map from Info.QuotedMessageID string
// Event string `json:"event"`
// Gateway string // will be added during message processing
ID: message.Info.Id}
if avatarURL, exists := b.userAvatars[senderJID]; exists {
rmsg.Avatar = avatarURL
}
// Download and unencrypt content
data, err := message.Download()
if err != nil {
b.Log.Errorf("%v", err)
return
}
// Get file extension by mimetype
fileExt, err := mime.ExtensionsByType(message.Type)
if err != nil {
b.Log.Errorf("%v", err)
return
}
filename := fmt.Sprintf("%v%v", message.Info.Id, fileExt[0])
b.Log.Debugf("<= Image downloaded and unencrypted")
// Move file to bridge storage
helper.HandleDownloadData(b.Log, &rmsg, filename, message.Caption, "", &data, b.General)
b.Log.Debugf("<= Image Message is %#v", rmsg)
b.Remote <- rmsg
}
//func (b *Bwhatsapp) HandleVideoMessage(message whatsapp.VideoMessage) {
// fmt.Println(message) // TODO implement
//}
//
//func (b *Bwhatsapp) HandleJsonMessage(message string) {
// fmt.Println(message) // TODO implement
//}
// TODO HandleRawMessage
// TODO HandleAudioMessage
|
