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package main
import (
"bytes"
"io/ioutil"
"net/http"
"github.com/slack-go/slack"
)
func (v *SecretsVerifierMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
r.Body.Close()
r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
sv, err := slack.NewSecretsVerifier(r.Header, appCtx.config.signingSecret)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
if _, err := sv.Write(body); err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
if err := sv.Ensure(); err != nil {
w.WriteHeader(http.StatusUnauthorized)
return
}
v.handler.ServeHTTP(w, r)
}
func NewSecretsVerifierMiddleware(h http.Handler) *SecretsVerifierMiddleware {
return &SecretsVerifierMiddleware{h}
}
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