Merge pull request #876 from mehalter/authenticated-header

Send WWW-Authenticate header with 401 responses

Author: crocodilestick

CONTRIBUTORS

@@ -312,7 +312,7 @@ Copyright (C) 2024-2026 Calibre-Web Automated contributors
 - zhiyue (1 commits)
 # Fork Contributors (crocodilestick/calibre-web-automated)
 
-- crocodilestick (892 commits)
+- crocodilestick (896 commits)
 - jmarmstrong1207 (73 commits)
 - demitrix (30 commits)
 - sirwolfgang (29 commits)

cps/error_handler.py

@@ -22,13 +22,14 @@
 # custom error page
 
 def error_http(error):
+    headers = {'WWW-Authenticate': f'Basic realm="{config.config_calibre_web_title or "calibre-web-automated"}"'} if error.code == 401 else {}
     return render_template('http_error.html',
                            error_code="Error {0}".format(error.code),
                            error_name=error.name,
                            issue=False,
                            unconfigured=not config.db_configured,
                            instance=config.config_calibre_web_title
-                           ), error.code
+                           ), error.code, headers
 
 
 def internal_error(error):