3e5590288a
Adds opt-in basic auth per Host, following the existing per-host controls
pattern:
- Host fields basicauth_enabled / basicauth_realm / basicauth_users
({user: base64(sha1(pw))}). Credentials are parsed to plaintext by the pure
host_features normalizer and hashed at the route layer (utils/basicauth.js),
so plaintext never reaches Redis.
- ops/nginx_conf/hostfeatures.lua enforces it in access phase: verifies the
Authorization header against base64(sha1(password)), fails closed with a 401
WWW-Authenticate challenge.
- hosts.ejs gains an enable toggle, realm, and a username:password textarea
(passwords never echoed back; blank keeps the current set).
Unit tests cover hashing (matches the htpasswd {SHA} vector), credential
parsing, and normalization. Note: the Lua path needs verification on a live
OpenResty box.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>