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Caddy: /whoami on the main host echoes the Authentik identity headers for debugging

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Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Brandyn / Techy
2026-10-31 15:08:16 -05:00
parent c4a79c3316
commit b89afb50d2
2 changed files with 12 additions and 1 deletions
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4
README.md
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@@ -237,7 +237,9 @@ Design: **Authentik authenticates once for the whole domain; Caddy authorizes pe
role-id → group table). Bind it to `default-source-enrollment` **and** `default-source-authentication` role-id → group table). Bind it to `default-source-enrollment` **and** `default-source-authentication`
(engine mode `all`, after `discord-guild-member`). From then on giving someone a Discord role gives them (engine mode `all`, after `discord-guild-member`). From then on giving someone a Discord role gives them
the matching access on next login; removing it removes it. the matching access on next login; removing it removes it.
5. Test in a private window: `https://live.HOST/` → Discord login → portal; `https://bot.HOST/` → 403 unless 5. Debug: `https://HOST/whoami` prints the username/groups headers exactly as the apps receive them.
Group changes in Authentik apply on the next login — log out at `https://auth.HOST/` and back in.
6. Test in a private window: `https://live.HOST/` → Discord login → portal; `https://bot.HOST/` → 403 unless
you hold the bot role; `https://live.HOST/me/stream-key` shows your username. you hold the bot role; `https://live.HOST/me/stream-key` shows your username.
Jellyfin and Gitea use OIDC providers instead, not this. Jellyfin and Gitea use OIDC providers instead, not this.

9
configure.py
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@@ -240,6 +240,15 @@ def write_caddy(domain, auth_host="", watch_host="", git_host="", bot_host="", l
{domain} {{ {domain} {{
encode zstd gzip encode zstd gzip
{AUTHENTIK_FORWARD_AUTH} {AUTHENTIK_FORWARD_AUTH}
# who does Authentik say I am? (debug: shows exactly the identity headers the apps receive)
handle /whoami {{
header Content-Type text/plain
respond "user: {{http.request.header.X-Authentik-Username}}
groups: {{http.request.header.X-Authentik-Groups}}
email: {{http.request.header.X-Authentik-Email}}
name: {{http.request.header.X-Authentik-Name}}"
}}
# dump endpoint (python service on the host; identity from the X-Authentik-* headers Caddy just set) # dump endpoint (python service on the host; identity from the X-Authentik-* headers Caddy just set)
handle /dump* {{ handle /dump* {{
reverse_proxy 127.0.0.1:8080 reverse_proxy 127.0.0.1:8080