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|
package main
import (
"encoding/json"
"flag"
"fmt"
"io"
"io/ioutil"
"net/http"
"github.com/slack-go/slack"
)
func main() {
var (
signingSecret string
)
flag.StringVar(&signingSecret, "secret", "YOUR_SIGNING_SECRET_HERE", "Your Slack app's signing secret")
flag.Parse()
http.HandleFunc("/slash", func(w http.ResponseWriter, r *http.Request) {
verifier, err := slack.NewSecretsVerifier(r.Header, signingSecret)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
r.Body = ioutil.NopCloser(io.TeeReader(r.Body, &verifier))
s, err := slack.SlashCommandParse(r)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
if err = verifier.Ensure(); err != nil {
w.WriteHeader(http.StatusUnauthorized)
return
}
switch s.Command {
case "/echo":
params := &slack.Msg{Text: s.Text}
b, err := json.Marshal(params)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(b)
default:
w.WriteHeader(http.StatusInternalServerError)
return
}
})
fmt.Println("[INFO] Server listening")
http.ListenAndServe(":3000", nil)
}
|
