ACP2E-2969: REST API unable to make requests with slash (/) in SKU when using Oauth1

Author: aplapana

lib/internal/Magento/Framework/Oauth/Helper/Utility.php

@@ -43,6 +43,9 @@ public function sign(
         $url = null
     ): string {
         unset($params['oauth_signature']);
+        if (strtoupper($method) === 'GET') {
+            return parent::sign($params, $params['oauth_signature_method'], $consumerSecret, $tokenSecret, $method, $url);
+        }
 
         $binaryHash = HMACEncryption::compute(
             $this->assembleKey($consumerSecret, $tokenSecret),