Stazioni: sorgenti camera lette dall'acquisitore, link Acquisizione (#88)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Jbf7qKuxsnAVjxthRy7dnB

src/frontend/flask_app/blueprints/admin.py

@@ -1,4 +1,6 @@
 """Admin blueprint - user management."""
+from urllib.parse import urlparse  # #88: validazione url camera
+import requests as http_requests  # #88: lettura sorgenti dall'acquisitore (come maker.py)
 from flask import Blueprint, flash, jsonify, redirect, render_template, request, session, url_for
 from flask_babel import gettext as _
 
@@ -170,6 +172,39 @@ def api_toggle_active(user_id: int):
 
 # --- Stations ---
 
+@admin_bp.route("/api/camera/sources", methods=["GET"])
+@login_required
+@admin_required
+def api_camera_sources():
+    """Proxy (#88): elenco sorgenti di un acquisitore, GET <url>/camera/sources."""
+    url = (request.args.get("url") or "").strip()
+    parsed = urlparse(url)
+    if parsed.scheme not in ("http", "https") or not parsed.netloc:
+        return jsonify({"error": True, "detail": _("Indirizzo della camera non valido")}), 400
+    try:
+        resp = http_requests.get(f"{url.rstrip('/')}/camera/sources", timeout=5)
+    except http_requests.RequestException as exc:
+        return jsonify({
+            "error": True,
+            "detail": _("Servizio camera non raggiungibile: %(detail)s", detail=str(exc)),
+        }), 502
+    invalid = (jsonify({"error": True, "detail": _("Risposta non valida dal servizio camera")}), 502)
+    if resp.status_code != 200:
+        return invalid
+    try:
+        sources = resp.json().get("sources")
+    except (ValueError, AttributeError):
+        return invalid
+    if not isinstance(sources, list):
+        return invalid
+    # solo i tre campi che la UI usa, sempre stringhe
+    clean = [
+        {k: str(s.get(k, "")) for k in ("name", "label", "kind")}
+        for s in sources if isinstance(s, dict)
+    ]
+    return jsonify({"sources": clean}), 200
+
+
 @admin_bp.route("/api/stations", methods=["POST"])
 @login_required
 @admin_required

src/frontend/flask_app/blueprints/maker.py

@@ -598,7 +598,7 @@ def api_station_camera_calibration(station_id: int):
         }), 409
     camera_url, camera_source = camera
     base = camera_url.rstrip("/")
-    link = f"{base}/calibrazione"  # pagina di calibrazione dell'acquisitore (C4)
+    link = f"{base}/acquisizione"  # pagina di acquisizione dell'acquisitore (#88; era /calibrazione, C4)
     try:
         resp = http_requests.get(
             f"{base}/camera/calibration",