From 84f70f5f2932a6739acf26195d4e8ff3beb57710 Mon Sep 17 00:00:00 2001
From: Aaron Ishibashi <a.ishibashi.music@gmail.com>
Date: Wed, 13 Sep 2023 17:10:40 -0700
Subject: [PATCH] fix: enable gzip response deflation

---
 lib/oauth2.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/lib/oauth2.js b/lib/oauth2.js
index c7c8982..25510c2 100644
--- a/lib/oauth2.js
+++ b/lib/oauth2.js
@@ -3,7 +3,8 @@ var querystring= require('querystring'),
     https= require('https'),
     http= require('http'),
     URL= require('url'),
-    OAuthUtils= require('./_utils');
+    OAuthUtils= require('./_utils'),
+    zlib = require("zlib");
 
 exports.OAuth2= function(clientId, clientSecret, baseSite, authorizePath, accessTokenPath, customHeaders) {
   this._clientId= clientId;
@@ -145,9 +146,18 @@ exports.OAuth2.prototype._executeRequest= function( http_library, options, post_
 
   var request = http_library.request(options);
   request.on('response', function (response) {
-    response.on("data", function (chunk) {
-      result+= chunk
-    });
+
+    if (response.headers["content-encoding"] === "gzip") {
+      response.on("data", function (chunk) {
+        result += zlib.gunzipSync(chunk);
+      });
+    } else {
+      response.on("data", function (chunk) {
+        result+= chunk;
+      });
+    }
+
+
     response.on("close", function (err) {
       if( allowEarlyClose ) {
         passBackControl( response, result );