feat: add Authentik access widgets

backend/src/media_library_viewer_api/widgets/sources.py

@@ -19,6 +19,7 @@ from typing import Any, Protocol
 
 import requests
 
+from media_library_viewer_api.clients.authentik import AuthentikClient
 from media_library_viewer_api.clients.jellyfin import JellyfinClient
 from media_library_viewer_api.clients.qbittorrent import QbittorrentClient
 from media_library_viewer_api.domain.dashboard import (
@@ -316,6 +317,36 @@ class AlertmanagerWidgetSource:
             return {"error": f"Alertmanager query failed: {exc}"}
 
 
+class AuthentikWidgetSource:
+    """Fetch bounded, display-safe Authentik directory metadata."""
+
+    async def fetch(self, service: ServiceRecord | None, widget_kind: str, config: dict[str, Any]) -> dict[str, Any]:
+        try:
+            if service is None:
+                return {"error": "Authentik widget is missing its service"}
+            base_url = str(service.config.get("base_url") or "")
+            api_token = str(service.secrets.get("api_token") or "")
+            timeout = _safe_int(service.config.get("timeout_seconds") or 60, 60)
+            limit = max(1, min(_safe_int(config.get("limit") or 10, 10), 50))
+            client = await asyncio.wait_for(
+                asyncio.to_thread(AuthentikClient, base_url, api_token, timeout), timeout=timeout
+            )
+            if widget_kind == "access_summary":
+                return await asyncio.wait_for(
+                    asyncio.to_thread(client.access_summaries, page=1, page_size=limit), timeout=timeout
+                )
+            if widget_kind == "groups":
+                return await asyncio.wait_for(asyncio.to_thread(client.groups, limit=limit), timeout=timeout)
+            if widget_kind == "applications":
+                return await asyncio.wait_for(asyncio.to_thread(client.applications, limit=limit), timeout=timeout)
+            return {"error": f"Unknown Authentik widget kind: {widget_kind}"}
+        except asyncio.TimeoutError as _timeout_error:
+            return {"error": "Authentik data fetch timed out"}
+        except Exception as exc:
+            logger.exception("authentik adapter failed")
+            return {"error": f"Authentik data fetch failed: {exc}"}
+
+
 class JellyfinWidgetSource:
     """Fetch Jellyfin sessions and map them to activity rows."""
 
@@ -531,6 +562,7 @@ SERVICE_ADAPTERS: dict[str, WidgetSource] = {
     "qbittorrent": QbittorrentWidgetSource(),
     "alertmanager": AlertmanagerWidgetSource(),
     "jellyfin": JellyfinWidgetSource(),
+    "authentik": AuthentikWidgetSource(),
     "remote_machine": SshTaskWidgetSource(),
 }