From 234294d564f49b1926ebf4a74d418e419ea4da71 Mon Sep 17 00:00:00 2001
From: Satsuki Yanagi <17376330+u1-liquid@users.noreply.github.com>
Date: Sat, 9 May 2020 08:20:22 +0900
Subject: WebAuthnでログインできないのを修正 (#6327)
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Resolve #6319
---
 src/client/scripts/2fa.ts | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

(limited to 'src/client/scripts')

diff --git a/src/client/scripts/2fa.ts b/src/client/scripts/2fa.ts
index e431361aac..00363cffa6 100644
--- a/src/client/scripts/2fa.ts
+++ b/src/client/scripts/2fa.ts
@@ -1,5 +1,33 @@
-export function hexifyAB(buffer) {
+export function byteify(data: string, encoding: 'ascii' | 'base64' | 'hex') {
+	switch (encoding) {
+		case 'ascii':
+			return Uint8Array.from(data, c => c.charCodeAt(0));
+		case 'base64':
+			return Uint8Array.from(
+				atob(
+					data
+						.replace(/-/g, '+')
+						.replace(/_/g, '/')
+				),
+				c => c.charCodeAt(0)
+			);
+		case 'hex':
+			return new Uint8Array(
+				data
+					.match(/.{1,2}/g)
+					.map(byte => parseInt(byte, 16))
+			);
+	}
+}
+
+export function hexify(buffer: ArrayBuffer) {
 	return Array.from(new Uint8Array(buffer))
-		.map(item => item.toString(16).padStart(2, '0'))
-		.join('');
+		.reduce(
+			(str, byte) => str + byte.toString(16).padStart(2, '0'),
+			''
+		);
+}
+
+export function stringify(buffer: ArrayBuffer) {
+	return String.fromCharCode(... new Uint8Array(buffer));
 }
-- 
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