From 23e320bf7133a90ae4dfcec7c65249c1dde7e321 Mon Sep 17 00:00:00 2001
From: Matthew Miller <matthew@millerti.me>
Date: Sun, 17 May 2020 23:20:00 -0700
Subject: Add some helpers

---
 src/helpers/decodeClientDataJSON.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/helpers/decodeClientDataJSON.ts

(limited to 'src/helpers/decodeClientDataJSON.ts')

diff --git a/src/helpers/decodeClientDataJSON.ts b/src/helpers/decodeClientDataJSON.ts
new file mode 100644
index 0000000..b957d60
--- /dev/null
+++ b/src/helpers/decodeClientDataJSON.ts
@@ -0,0 +1,12 @@
+import asciiToBinary from './asciiToBinary';
+
+/**
+ * Decode an authenticator's base64-encoded clientDataJSON to JSON
+ *
+ * @param data
+ * @returns {Object} - the data as JSON
+ */
+export default function decodeClientDataJSON(data: string) {
+  const toString = asciiToBinary(data);
+  return JSON.parse(toString);
+}
-- 
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