From 386ff675e8dc7cad3a62b713f6f8ae3f2570c536 Mon Sep 17 00:00:00 2001
From: Henrique Vicente <henriquevicente@gmail.com>
Date: Mon, 30 Nov 2015 02:30:05 -0300
Subject: [PATCH] Fixing BasicAuth by adding a compatibility layer for base64
 conversion.

btoa is only available on browsers:
https://github.com/nodejs/node/issues/3462
---
 src/api/Launchpad.js |  5 +++--
 src/crypt/Base64.js  | 23 +++++++++++++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 src/crypt/Base64.js

diff --git a/src/api/Launchpad.js b/src/api/Launchpad.js
index d1931ec..9366d92 100644
--- a/src/api/Launchpad.js
+++ b/src/api/Launchpad.js
@@ -1,7 +1,8 @@
 'use strict';
 
 import core from 'bower:metal/src/core';
-import Auth from '../api/Auth';
+import Auth from './Auth';
+import Base64 from '../crypt/Base64';
 import Embodied from '../api-query/Embodied';
 import Filter from '../api-query/Filter';
 import Query from '../api-query/Query';
@@ -397,7 +398,7 @@ class Launchpad {
 			clientRequest.header('Authorization', 'Bearer ' + this.auth_.token());
 		} else {
 			var credentials = this.auth_.username() + ':' + this.auth_.password();
-			clientRequest.header('Authorization', 'Basic ' + btoa(credentials));
+			clientRequest.header('Authorization', 'Basic ' + Base64.encodeString(credentials));
 		}
 	}
 
diff --git a/src/crypt/Base64.js b/src/crypt/Base64.js
new file mode 100644
index 0000000..245d45a
--- /dev/null
+++ b/src/crypt/Base64.js
@@ -0,0 +1,23 @@
+'use strict';
+
+/**
+ * Abstraction layer for string to base64 conversion
+ * reference: https://github.com/nodejs/node/issues/3462
+ */
+class Base64 {
+	/**
+	 * Creates a base-64 encoded ASCII string from a "string" of binary data.
+	 * @param {string} string to be encoded.
+	 * @return {string}
+	 * @static
+	 */
+	static encodeString(string) {
+		if (typeof btoa === 'function') {
+			return btoa(string);
+		}
+
+		return new Buffer(string.toString(), 'binary');
+	}
+}
+
+export default Base64;