From e39678b54f18c424175ef0c0f8f37c55981b790b Mon Sep 17 00:00:00 2001
From: Omar Ajoue <krynble@gmail.com>
Date: Thu, 28 Oct 2021 18:09:25 +0200
Subject: [PATCH] :bug: Fixed url params serializing for OAuth1 requests
 (#2381)

---
 packages/core/src/NodeExecuteFunctions.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/packages/core/src/NodeExecuteFunctions.ts b/packages/core/src/NodeExecuteFunctions.ts
index b34f2ed02d..d6dc5da8ad 100644
--- a/packages/core/src/NodeExecuteFunctions.ts
+++ b/packages/core/src/NodeExecuteFunctions.ts
@@ -86,6 +86,12 @@ import {
 axios.defaults.timeout = 300000;
 // Prevent axios from adding x-form-www-urlencoded headers by default
 axios.defaults.headers.post = {};
+axios.defaults.paramsSerializer = (params) => {
+	if (params instanceof URLSearchParams) {
+		return params.toString();
+	}
+	return stringify(params, { arrayFormat: 'indices' });
+};
 
 const requestPromiseWithDefaults = requestPromise.defaults({
 	timeout: 300000, // 5 minutes
@@ -413,6 +419,7 @@ async function parseRequestObject(requestObject: IDataObject) {
 	if (
 		requestObject.json !== false &&
 		axiosConfig.data !== undefined &&
+		axiosConfig.data !== '' &&
 		!(axiosConfig.data instanceof Buffer) &&
 		!allHeaders.some((headerKey) => headerKey.toLowerCase() === 'content-type')
 	) {
@@ -462,6 +469,11 @@ async function proxyRequestToAxios(
 
 	axiosConfig = Object.assign(axiosConfig, await parseRequestObject(configObject));
 
+	Logger.debug('Proxying request to axios', {
+		originalConfig: configObject,
+		parsedConfig: axiosConfig,
+	});
+
 	return new Promise((resolve, reject) => {
 		axios(axiosConfig)
 			.then((response) => {