---
# Forward Auth Proxy Provider Blueprint for Authentik
#
# Replaces oauth2-proxy with Authentik's built-in forward-auth capability.
# Istio's ext_authz filter calls Authentik's /outpost.goauthentik.io/auth/nginx
# endpoint to authenticate requests to protected services.
#
# Services protected by this provider:
#   - Prometheus, Ceph Dashboard, TeslaMate, ESPHome, Frigate, Kiali, Netbird
#
# Services with native OIDC are NOT included here (they handle auth themselves):
#   - GitLab, ArgoCD, Grafana, n8n, Home Assistant, Rancher, Nextcloud
apiVersion: v1
kind: ConfigMap
metadata:
  name: authentik-blueprints-forward-auth
  namespace: authentik
  labels:
    goauthentik.io/blueprint: "true"
data:
  forward-auth.yaml: |-
    version: 1
    metadata:
      name: forward-auth-provider
    entries:
      # ================================================================
      # Proxy Provider - Forward Auth (domain mode) for Istio ext_authz
      # ================================================================
      # forward_domain mode handles ALL subdomains of cookie_domain.
      # The embedded outpost matches any *.kube.huskypup.net request.
      # Auth session is shared across subdomains via a single cookie.
      - model: authentik_providers_proxy.proxyprovider
        id: forward-auth-provider
        state: present
        identifiers:
          name: Forward Auth (Istio)
        attrs:
          name: Forward Auth (Istio)
          authorization_flow: !Find [authentik_flows.flow, [slug, default-provider-authorization-implicit-consent]]
          authentication_flow: !Find [authentik_flows.flow, [slug, default-authentication-flow]]
          invalidation_flow: !Find [authentik_flows.flow, [slug, default-provider-invalidation-flow]]
          mode: forward_domain
          external_host: "https://auth.kube.huskypup.net"
          cookie_domain: "kube.huskypup.net"
          access_token_validity: "hours=1"
          refresh_token_validity: "days=30"
          property_mappings:
            - !Find [authentik_providers_oauth2.scopemapping, [scope_name, openid]]
            - !Find [authentik_providers_oauth2.scopemapping, [scope_name, email]]
            - !Find [authentik_providers_oauth2.scopemapping, [scope_name, profile]]

      # ================================================================
      # Application - Umbrella app for all forward-auth protected services
      # ================================================================
      - model: authentik_core.application
        id: forward-auth-application
        state: present
        identifiers:
          slug: forward-auth
        attrs:
          name: Protected Services (Forward Auth)
          slug: forward-auth
          policy_engine_mode: any
          provider: !KeyOf forward-auth-provider

      # ================================================================
      # Outpost - Embedded outpost for forward auth
      # Uses Authentik's built-in outpost (no separate deployment needed)
      # ================================================================
      - model: authentik_outposts.outpost
        id: forward-auth-outpost
        state: present
        identifiers:
          name: "authentik Embedded Outpost"
        attrs:
          type: proxy
          providers:
            - !KeyOf forward-auth-provider
          config:
            authentik_host: "https://auth.kube.huskypup.net/"
            authentik_host_insecure: true