From d815f6d8d9dd67837fdcf8240c497a6bb617201f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ahmet=20Akko=C3=A7?= <themadprogramer@gmail.com>
Date: Sun, 7 Nov 2021 20:37:12 +0100
Subject: [PATCH] Potential fix for Issue 230

---
 webhooks.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/webhooks.go b/webhooks.go
index feccdb9..643c91a 100644
--- a/webhooks.go
+++ b/webhooks.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"net/http"
@@ -89,7 +90,7 @@ func (c *Client) VerifyWebhookSignature(ctx context.Context, httpReq *http.Reque
 		TransmissionSig  string          `json:"transmission_sig,omitempty"`
 		TransmissionTime string          `json:"transmission_time,omitempty"`
 		WebhookID        string          `json:"webhook_id,omitempty"`
-		Event            json.RawMessage `json:"webhook_event"`
+		Event            json.RawMessage `json:"webhook_event,omitempty"`
 	}
 
 	// Read the content
@@ -97,6 +98,9 @@ func (c *Client) VerifyWebhookSignature(ctx context.Context, httpReq *http.Reque
 	if httpReq.Body != nil {
 		bodyBytes, _ = ioutil.ReadAll(httpReq.Body)
 	}
+	else{
+		return nil, errors.New("Cannot verify webhook for HTTP Request with empty body.")
+	}
 	// Restore the io.ReadCloser to its original state
 	httpReq.Body = ioutil.NopCloser(bytes.NewBuffer(bodyBytes))