homelabstack/scripts/apply-media-external-auth.sh

#!/usr/bin/env bash
set -euo pipefail

# TB-006 batch 2: disable local auth; Servarr -> External; skip tautulli.
# Run on valhalla as ginnoir.

set_servarr_external() {
  local app="$1"
  local cfg="/config/${app}/config.xml"
  if [[ ! -f "$cfg" ]]; then
    echo "SKIP ${app}: no ${cfg}"
    return 0
  fi
  echo "=== ${app}: set External ==="
  docker stop "$app" >/dev/null
  python3 - "$cfg" <<'PY'
import sys
import xml.etree.ElementTree as ET

path = sys.argv[1]
tree = ET.parse(path)
root = tree.getroot()

auth_required = None
for el in list(root):
    if el.tag == "AuthenticationRequired" and el.text:
        auth_required = el.text.strip()
        break

for el in list(root):
    if el.tag in ("AuthenticationMethod", "AuthenticationRequired"):
        root.remove(el)

ext = ET.SubElement(root, "AuthenticationMethod")
ext.text = "External"
req = ET.SubElement(root, "AuthenticationRequired")
req.text = auth_required or "Enabled"

tree.write(path, encoding="UTF-8", xml_declaration=True)
print(f"  wrote External (AuthenticationRequired={req.text})")
PY
  docker start "$app" >/dev/null
  grep Authentication "$cfg"
}

for app in sonarr radarr prowlarr whisparr; do
  set_servarr_external "$app"
done

echo "=== bazarr: verify auth disabled ==="
python3 - <<'PY'
import yaml
path = "/config/bazarr/config/config.yaml"
with open(path) as f:
    d = yaml.safe_load(f)
auth = d.setdefault("auth", {})
changed = False
if auth.get("type") is not None:
    auth["type"] = None
    changed = True
if auth.get("username"):
    auth["username"] = ""
    changed = True
if auth.get("password"):
    auth["password"] = ""
    changed = True
if changed:
    with open(path, "w") as f:
        yaml.safe_dump(d, f, default_flow_style=False, sort_keys=False)
    print("  updated bazarr auth -> type null")
else:
    print("  already type null / no credentials")
PY
docker restart bazarr >/dev/null

echo "=== qbittorrent: disable WebUI auth (keep API key for *arr) ==="
QCONF="/config/qbittorrent/qBittorrent/qBittorrent.conf"
docker stop qbittorrent >/dev/null
python3 - "$QCONF" <<'PY'
from pathlib import Path
import sys
path = Path(sys.argv[1])
lines = path.read_text().splitlines()
out = []
added = False
for line in lines:
    if line.startswith("WebUI\\AuthenticationEnabled="):
        out.append("WebUI\\AuthenticationEnabled=false")
        added = True
        continue
    out.append(line)
if not added:
    final = []
    for line in out:
        final.append(line)
        if line.strip() == "[Preferences]":
            final.append("WebUI\\AuthenticationEnabled=false")
            added = True
    out = final
path.write_text("\n".join(out) + "\n")
print("  WebUI\\AuthenticationEnabled=false")
PY
grep 'WebUI\\AuthenticationEnabled' "$QCONF" || true
docker start qbittorrent >/dev/null

echo "=== nzbget: disable form auth (API creds unchanged) ==="
NZB="/config/nzbget/nzbget.conf"
sed -i 's/^FormAuth=.*/FormAuth=no/' "$NZB"
sed -i 's/^SecureControl=.*/SecureControl=no/' "$NZB"
grep -E '^(FormAuth|SecureControl)=' "$NZB"
docker restart nzbget >/dev/null

echo "=== stash: external authwall (Authentik + internal_only) ==="
python3 - <<'PY'
from pathlib import Path
import re
path = Path("/config/stash/config.yml")
text = path.read_text()
text = re.sub(r'^dangerous_allow_public_without_auth:.*$', 'dangerous_allow_public_without_auth: "true"', text, flags=re.M)
text = re.sub(r'^username:.*$', 'username: ""', text, flags=re.M)
text = re.sub(r'^password:.*$', 'password: ""', text, flags=re.M)
text = re.sub(r'^security_tripwire_accessed_from_public_internet:.*\n', '', text, flags=re.M)
path.write_text(text)
print("  dangerous_allow_public_without_auth=true, cleared username/password")
PY
docker restart stash >/dev/null

echo "=== *arr download clients: internal Docker URLs (bypass Caddy forward_auth) ==="
python3 - <<'PY'
import json
import sqlite3

# Servarr apps talk to download clients over the media network, not via *.ginnoir.com.
INTERNAL = {
    "Nzbget": ("nzbget", 6789),
    "QBittorrent": ("qbittorrent", 3232),
    "Deluge": ("deluge", 8112),
}
PUBLIC_SUFFIX = ".ginnoir.com"
LOCALHOSTS = {"localhost", "127.0.0.1"}

for app in ("sonarr", "radarr", "prowlarr", "whisparr"):
    db = f"/config/{app}/{app}.db"
    conn = sqlite3.connect(db)
    cur = conn.cursor()
    cur.execute("SELECT Id, Name, Implementation, Settings FROM DownloadClients")
    for cid, name, impl, settings_json in cur.fetchall():
        if impl not in INTERNAL:
            continue
        settings = json.loads(settings_json)
        host = (settings.get("host") or "").strip()
        internal_host, port = INTERNAL[impl]
        if host == internal_host and settings.get("port") == port and not settings.get("useSsl"):
            continue
        if PUBLIC_SUFFIX in host or host in LOCALHOSTS:
            old = f"{host}:{settings.get('port')}"
            if settings.get("useSsl"):
                old += " ssl"
            settings["host"] = internal_host
            settings["port"] = port
            settings["useSsl"] = False
            cur.execute(
                "UPDATE DownloadClients SET Settings=? WHERE Id=?",
                (json.dumps(settings), cid),
            )
            print(f"  {app}/{name}: {old} -> {internal_host}:{port} http")
    conn.commit()
    conn.close()
PY

echo "=== deluge: bypass web login (Authentik at edge; patch re-applies on recreate) ==="
if docker exec deluge grep -q 'homelab external auth' /lsiopy/lib/python3.12/site-packages/deluge/ui/web/auth.py 2>/dev/null; then
  echo "  already patched"
else
  docker cp /tmp/patch-deluge-auth.py deluge:/tmp/patch-deluge-auth.py
  docker exec deluge python3 /tmp/patch-deluge-auth.py
  docker restart deluge >/dev/null
  echo "  patched and restarted"
fi

echo "=== done (tautulli untouched) ==="