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Jellyfin SSO: cheeztv OIDC hosts, media-group gating, LDAP outpost
Completes the Authentik-side plumbing for Jellyfin SSO across both media
instances -- fafflix (adults, jellyfin.k8s.syd1.au.unkin.net) and cheeztv
(kids, cheeztv.unkin.net + cheeztv.k8s.syd1.au.unkin.net) -- and adds an
LDAP outpost so native clients can authenticate with app passwords.

Why: the previously-merged jellyfin OIDC provider only covered the fafflix
host and gated on the generic jellyfin permission groups. cheeztv needs SSO
too, access should be limited to media users, and native (non-browser)
clients need a password-based path.

How:
- providers_oauth2/jellyfin.yaml: one shared confidential client now lists
  strict redirect URIs for all three hosts using the verified
  jellyfin-plugin-sso callback path /sso/OID/redirect/authentik. Client
  secret moved to kv kubernetes/namespace/fafflix/default/oauth-credentials.
- Access is gated to media users only: akP-media-fafflix and akP-media-cheeztv
  now carry `application: jellyfin` and bind to the app; akP-jellyfin-admin /
  akP-jellyfin-user are demoted to pure role-claim groups (no app binding),
  still mapped by the plugin for admin/user rights. Per-instance authz
  (adults -> both, kids -> cheeztv only) stays with the media proxy.
- providers_ldap/jellyfin-ldap.yaml: new LDAP provider (base_dn
  DC=ldap,DC=goauthentik,DC=io, direct bind/search) + application
  (jellyfin-ldap) + outpost (jellyfin-ldap-outpost) via the existing module.
- modules/authentik/main.tf: resolve LDAP bind/unbind flow slugs to ids via
  data.authentik_flow, matching the oauth2/saml convention.
2026-08-26 22:15:28 +10:00

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2.3 KiB
YAML

# OAuth2/OIDC provider + application for the Jellyfin web UI SSO, consumed by
# jellyfin-plugin-sso (OIDC) so the browser signs in via Authentik while native
# clients use the LDAP outpost (see providers_ldap/jellyfin-ldap.yaml).
#
# ONE shared confidential client (client_id jellyfin) serves BOTH Jellyfin
# instances -- fafflix (adults, jellyfin.k8s.syd1.au.unkin.net) and cheeztv
# (kids, cheeztv.unkin.net + cheeztv.k8s.syd1.au.unkin.net). Each instance runs
# the SSO plugin with provider name "authentik", so its callback is
# https://<host>/sso/OID/redirect/authentik (verified plugin path shape); all
# three hosts are listed as strict redirect URIs.
#
# Access is gated to media users only: akP-media-fafflix and akP-media-cheeztv
# carry `application: jellyfin` and bind to this app, so only members of the
# media roles (akR-media-adult / akR-media-kids) can authorize. Per-instance
# authorization (adults -> fafflix + cheeztv, kids -> cheeztv only) is enforced
# downstream by the media proxy reading the hierarchical ak_groups claim.
# Admin vs. user role inside Jellyfin is still mapped by the plugin matching the
# ak_groups claim against akP-jellyfin-admin / akP-jellyfin-user.
#
# client_secret is read from Vault (seeded out of band), never committed. Both
# instances share this one secret; terraform reads it from the fafflix namespace
# path, and the cheeztv Deployment reads the same value from its own namespace.
name: Jellyfin
authorization_flow: default-provider-authorization-implicit-consent
invalidation_flow: default-provider-invalidation-flow
client_type: confidential
client_id: jellyfin
# Explicit dashboard tile launch URL (the fafflix Jellyfin web UI).
launch_url: https://jellyfin.k8s.syd1.au.unkin.net/
client_secret_vault:
mount: kv
path: kubernetes/namespace/fafflix/default/oauth-credentials
scope_mappings:
- goauthentik.io/providers/oauth2/scope-openid
- goauthentik.io/providers/oauth2/scope-email
- goauthentik.io/providers/oauth2/scope-profile
redirect_uris:
# fafflix (adults)
- matching_mode: strict
url: https://jellyfin.k8s.syd1.au.unkin.net/sso/OID/redirect/authentik
# cheeztv (kids) -- external + in-cluster hostnames
- matching_mode: strict
url: https://cheeztv.unkin.net/sso/OID/redirect/authentik
- matching_mode: strict
url: https://cheeztv.k8s.syd1.au.unkin.net/sso/OID/redirect/authentik