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

Author: aplapana

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

@@ -43,6 +43,11 @@ public function prepareRequest($httpRequest)
             $httpRequest->getContent(),
             $this->getRequestUrl($httpRequest)
         );
+        foreach ($oauthParams as $key => $value) {
+            if ($key !== 'oauth_signature') {
+                $oauthParams[rawurlencode($key)] = rawurlencode($value);
+            }
+        }
         return $oauthParams;
     }