Implement debug API for portal files and enhance file listing functionality: add a no-auth endpoint for troubleshooting, improve error handling, and streamline the portal files listing logic. Update HTML template to handle session expiration gracefully and provide a read-only fallback for unauthenticated users.

chromium-setup/emmc-provisioning/dashboard/app.py

@@ -424,6 +424,27 @@ def serve_portal_file(filename):
     return send_file(path, as_attachment=False, download_name=filename.split("/")[-1])
 
 
+@app.route("/api/portal-files-debug")
+def api_portal_files_debug():
+    """No-auth debug: what PORTAL_FILES_DIR the process sees (for troubleshooting)."""
+    try:
+        names = []
+        if PORTAL_FILES_DIR.is_dir():
+            for p in sorted(PORTAL_FILES_DIR.iterdir(), key=lambda x: (not x.is_dir(), x.name.lower())):
+                if ".." in p.name or p.name.startswith("."):
+                    continue
+                names.append({"name": p.name, "type": "dir" if p.is_dir() else "file"})
+        return jsonify({
+            "portal_files_dir": str(PORTAL_FILES_DIR),
+            "exists": PORTAL_FILES_DIR.exists(),
+            "is_dir": PORTAL_FILES_DIR.is_dir(),
+            "items": names,
+            "CM4_PROVISIONING_DIR": os.environ.get("CM4_PROVISIONING_DIR"),
+        })
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+
 @app.route("/api/status")
 def api_status():
     return jsonify(read_status())
@@ -610,29 +631,26 @@ def _save_portal_descriptions(descriptions):
         return False
 
 
-@app.route("/api/portal-files")
+def _portal_files_list_impl(subpath):
-@require_admin
+    """Shared impl for listing portal files. Returns (items, descriptions, base_url, current_path)."""
-def api_portal_files_list():
-    """List one level: root or contents of path=... (folders and files)."""
-    subpath = request.args.get("path", "").strip().strip("/")
     base_url = request.host_url.rstrip("/") + "/files/"
-    empty = {"items": [], "base_url": base_url, "descriptions": {}, "current_path": subpath, "portal_files_dir": str(PORTAL_FILES_DIR)}
+    empty_items = []
     if ".." in subpath or "\\" in subpath:
-        return jsonify(empty)
+        return empty_items, {}, base_url, subpath
     if not PORTAL_FILES_DIR.is_dir():
         try:
             PORTAL_FILES_DIR.mkdir(parents=True, exist_ok=True)
         except OSError:
             pass
         if not PORTAL_FILES_DIR.is_dir():
-            return jsonify(empty)
+            return empty_items, {}, base_url, subpath
     list_dir = (PORTAL_FILES_DIR / subpath).resolve() if subpath else PORTAL_FILES_DIR
     try:
         list_dir.relative_to(PORTAL_FILES_DIR.resolve())
     except ValueError:
-        return jsonify({**empty, "current_path": subpath})
+        return empty_items, {}, base_url, subpath
     if not list_dir.is_dir():
-        return jsonify({**empty, "current_path": subpath})
+        return empty_items, {}, base_url, subpath
     items = []
     for p in sorted(list_dir.iterdir(), key=lambda x: (not x.is_dir(), x.name.lower())):
         if ".." in p.name or p.name.startswith("."):
@@ -646,7 +664,28 @@ def api_portal_files_list():
         except OSError:
             pass
     descriptions = _load_portal_descriptions()
-    return jsonify({"items": items, "base_url": base_url, "descriptions": descriptions, "current_path": subpath, "portal_files_dir": str(PORTAL_FILES_DIR)})
+    return items, descriptions, base_url, subpath
+
+
+@app.route("/api/portal-files")
+def api_portal_files_list():
+    """List one level: root or contents of path=... (folders and files). ?debug=1 allows unauthenticated read-only list."""
+    subpath = request.args.get("path", "").strip().strip("/")
+    debug = request.args.get("debug") == "1"
+    if not debug and not session.get("admin_logged_in"):
+        if request.is_json or request.path.startswith("/api/"):
+            return jsonify({"ok": False, "error": "Login required"}), 401
+        return redirect(url_for("login", next=request.url))
+    items, descriptions, base_url, subpath = _portal_files_list_impl(subpath)
+    resp = jsonify({
+        "items": items,
+        "base_url": base_url,
+        "descriptions": descriptions,
+        "current_path": subpath,
+        "portal_files_dir": str(PORTAL_FILES_DIR),
+    })
+    resp.headers["Cache-Control"] = "no-store, no-cache, must-revalidate"
+    return resp
 
 
 @app.route("/api/portal-files/descriptions", methods=["GET", "PATCH"])

chromium-setup/emmc-provisioning/dashboard/templates/portal_files.html

@@ -85,6 +85,7 @@
   <script>
     function authFetch(url, opts) {
       opts = opts || {};
+      opts.credentials = opts.credentials || 'same-origin';
       return fetch(url, opts).then(function(r) {
         if (r.status === 401) { window.location = '/login?next=' + encodeURIComponent(window.location.pathname); return Promise.reject(new Error('Login required')); }
         return r;
@@ -167,8 +168,23 @@
 
     function fetchPortal() {
       var url = '/api/portal-files';
-      if (currentPath) url += '?path=' + encodeURIComponent(currentPath);
+      if (currentPath) url += (url.indexOf('?') >= 0 ? '&' : '?') + 'path=' + encodeURIComponent(currentPath);
-      authFetch(url).then(function(r) { return r.json(); }).then(renderPortal).catch(function() {});
+      authFetch(url).then(function(r) { return r.json(); }).then(renderPortal).catch(function(err) {
+        document.getElementById('portalEmpty').style.display = 'block';
+        document.getElementById('portalEmpty').textContent = 'Could not load list (session may have expired). Trying read-only list…';
+        var fallbackUrl = '/api/portal-files?debug=1' + (currentPath ? '&path=' + encodeURIComponent(currentPath) : '');
+        fetch(fallbackUrl).then(function(r) { return r.json(); }).then(function(data) {
+          if (data.items && data.items.length) {
+            document.getElementById('portalEmpty').style.display = 'none';
+            renderPortal(data);
+            document.getElementById('portalDir').textContent = (data.portal_files_dir || '—') + ' (read-only; log in to edit)';
+          } else {
+            document.getElementById('portalEmpty').textContent = 'Server sees ' + (data.items ? data.items.length : 0) + ' item(s) at ' + (data.portal_files_dir || '?') + '. Log in to see and edit.';
+          }
+        }).catch(function() {
+          document.getElementById('portalEmpty').textContent = 'Could not load list. Log out and log in again, then refresh.';
+        });
+      });
     }
 
     document.getElementById('newFolderBtn').onclick = function() {