From 090daa68b52a19e1a64212918f274b67875bebc8 Mon Sep 17 00:00:00 2001
From: Christoph Diehl <1614333+posidron@users.noreply.github.com>
Date: Mon, 14 May 2018 19:49:08 +0200
Subject: [PATCH] Add support for Base64 in NodeJS

---
 lib/utils/common.js | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/lib/utils/common.js b/lib/utils/common.js
index 5df4992..3877221 100644
--- a/lib/utils/common.js
+++ b/lib/utils/common.js
@@ -41,19 +41,28 @@ class common extends utils {
   static b64encode (str) {
     // Unicode safe b64 encoding
     // https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem
-    return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g,
-      function toSolidBytes (match, p1) {
-        // noinspection JSCheckFunctionSignatures
-        return String.fromCharCode('0x' + p1)
-      }))
+    if (process.browser) {
+      return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g,
+        function toSolidBytes (match, p1) {
+          // noinspection JSCheckFunctionSignatures
+          return String.fromCharCode('0x' + p1)
+        })
+      )
+    } else {
+      return Buffer.from(str).toString('base64')
+    }
   }
 
   static b64decode (str) {
     // Unicode safe b64 decoding
     // https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem
-    return decodeURIComponent(atob(str).split('').map(function (c) {
-      return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2)
-    }).join(''))
+    if (process.browser) {
+      return decodeURIComponent(atob(str).split('').map(function (c) {
+        return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2)
+      }).join(''))
+    } else {
+      return Buffer.from(str, 'base64').toString('ascii')
+    }
   }
 
   static uniqueList (list) {