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
|
package api
import (
"encoding/json"
"net/http"
"sync"
"time"
"github.com/42wim/matterbridge/bridge"
"github.com/42wim/matterbridge/bridge/config"
"github.com/labstack/echo/v4"
"github.com/labstack/echo/v4/middleware"
ring "github.com/zfjagann/golang-ring"
)
type API struct {
Messages ring.Ring
sync.RWMutex
*bridge.Config
}
type Message struct {
Text string `json:"text"`
Username string `json:"username"`
UserID string `json:"userid"`
Avatar string `json:"avatar"`
Gateway string `json:"gateway"`
}
func New(cfg *bridge.Config) bridge.Bridger {
b := &API{Config: cfg}
e := echo.New()
e.HideBanner = true
e.HidePort = true
b.Messages = ring.Ring{}
if b.GetInt("Buffer") != 0 {
b.Messages.SetCapacity(b.GetInt("Buffer"))
}
if b.GetString("Token") != "" {
e.Use(middleware.KeyAuth(func(key string, c echo.Context) (bool, error) {
return key == b.GetString("Token"), nil
}))
}
// Set RemoteNickFormat to a sane default
if !b.IsKeySet("RemoteNickFormat") {
b.Log.Debugln("RemoteNickFormat is unset, defaulting to \"{NICK}\"")
b.Config.Config.Viper().Set(b.GetConfigKey("RemoteNickFormat"), "{NICK}")
}
e.GET("/api/health", b.handleHealthcheck)
e.GET("/api/messages", b.handleMessages)
e.GET("/api/stream", b.handleStream)
e.POST("/api/message", b.handlePostMessage)
go func() {
if b.GetString("BindAddress") == "" {
b.Log.Fatalf("No BindAddress configured.")
}
b.Log.Infof("Listening on %s", b.GetString("BindAddress"))
b.Log.Fatal(e.Start(b.GetString("BindAddress")))
}()
return b
}
func (b *API) Connect() error {
return nil
}
func (b *API) Disconnect() error {
return nil
}
func (b *API) JoinChannel(channel config.ChannelInfo) error {
return nil
}
func (b *API) Send(msg config.Message) (string, error) {
b.Lock()
defer b.Unlock()
// ignore delete messages
if msg.Event == config.EventMsgDelete {
return "", nil
}
b.Messages.Enqueue(&msg)
return "", nil
}
func (b *API) handleHealthcheck(c echo.Context) error {
return c.String(http.StatusOK, "OK")
}
func (b *API) handlePostMessage(c echo.Context) error {
message := config.Message{}
if err := c.Bind(&message); err != nil {
return err
}
// these values are fixed
message.Channel = "api"
message.Protocol = "api"
message.Account = b.Account
message.ID = ""
message.Timestamp = time.Now()
b.Log.Debugf("Sending message from %s on %s to gateway", message.Username, "api")
b.Remote <- message
return c.JSON(http.StatusOK, message)
}
func (b *API) handleMessages(c echo.Context) error {
b.Lock()
defer b.Unlock()
c.JSONPretty(http.StatusOK, b.Messages.Values(), " ")
b.Messages = ring.Ring{}
return nil
}
func (b *API) handleStream(c echo.Context) error {
c.Response().Header().Set(echo.HeaderContentType, echo.MIMEApplicationJSON)
c.Response().WriteHeader(http.StatusOK)
greet := config.Message{
Event: config.EventAPIConnected,
Timestamp: time.Now(),
}
if err := json.NewEncoder(c.Response()).Encode(greet); err != nil {
return err
}
c.Response().Flush()
for {
msg := b.Messages.Dequeue()
if msg != nil {
if err := json.NewEncoder(c.Response()).Encode(msg); err != nil {
return err
}
c.Response().Flush()
}
time.Sleep(200 * time.Millisecond)
}
}
|
