diff options
Diffstat (limited to 'pkg/twilio/filter.go')
| -rw-r--r-- | pkg/twilio/filter.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pkg/twilio/filter.go b/pkg/twilio/filter.go index 90e84cc..48e92ef 100644 --- a/pkg/twilio/filter.go +++ b/pkg/twilio/filter.go @@ -8,6 +8,7 @@ import ( "crypto/sha1" "encoding/base64" "errors" + "fmt" "log" "net/http" "sort" @@ -55,7 +56,9 @@ func (th *Filter) CheckRequestSignature(r *http.Request) error { } s := r.URL.String() + strings.Join(parts, "") h := hmac.New(sha1.New, th.AuthToken) - h.Write([]byte(s)) + if _, err := h.Write([]byte(s)); err != nil { + return fmt.Errorf("failed to write bytes to calculate signature: %s", err) + } ourSig := h.Sum(nil) if !hmac.Equal(reqSig, ourSig) { |