From b16a4445aef89b6fbc736bd51a6fb4612b4a964f Mon Sep 17 00:00:00 2001
From: IGCFck <61951310+IGCFck@users.noreply.github.com>
Date: Mon, 2 Mar 2026 00:01:47 +0100
Subject: [PATCH] fix(opds): handle non-ASCII login details (#3436)

---
 apps/readest-app/src/app/opds/utils/opdsReq.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/apps/readest-app/src/app/opds/utils/opdsReq.ts b/apps/readest-app/src/app/opds/utils/opdsReq.ts
index 30619db1..a70a67bd 100644
--- a/apps/readest-app/src/app/opds/utils/opdsReq.ts
+++ b/apps/readest-app/src/app/opds/utils/opdsReq.ts
@@ -176,8 +176,10 @@ export const createDigestAuth = async (
  * Create Basic Authorization header
  */
 export const createBasicAuth = (username: string, password: string): string => {
-  const credentials = btoa(`${username}:${password}`);
-  return `Basic ${credentials}`;
+  const credentials = `${username}:${password}`;
+  const utf8Bytes = new TextEncoder().encode(credentials);
+  const encoded = btoa(String.fromCharCode(...utf8Bytes));
+  return `Basic ${encoded}`;
 };
 
 /**