The Audiobookshelf phone app could never sign in over the public name. The guard
chain answered its /ping and /socket.io/ handshake with Anubis challenge HTML, so
the app evaluated 'isInit' in e.data on a non-object and reported "Failed to
contact server" while the container's request log recorded nothing at all. Anubis
demands a JavaScript proof-of-work and the authentik outpost works from a session
cookie: the chain is browser-only by construction, and a native client, a podcast
RSS reader or an OPDS client cannot pass it.
Audiobookshelf authenticates itself (local accounts plus authentik OIDC), so it
joins jelly/plex/*arr in the exempt set: the public site block dials the container
directly, keeping the X-Forwarded-Proto pin its OIDC origin check depends on, and
the @audiobooks route leaves the post-auth listener so one host has one owner. The
IdP rows that guarded the name go after this deploys, never before.
tests/e2e/specs/14-guard.spec.ts loses audiobooks as a guarded target and gains the
exemption assertion (app bytes to an anonymous client, the app's own 401, never
challenge HTML); tests/anubis.bats pins the route shape.
dank
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