From 721670469e75e2ed3821b3da7238bb6ab29e9486 Mon Sep 17 00:00:00 2001
From: Matthew Grotke <mgrotke@gmail.com>
Date: Tue, 9 Jun 2026 11:00:37 -0400
Subject: [PATCH] Development

---
 .../app/pages/dnsblocking/view.py             | 24 ++++++++++++--
 routlin/dl_blocklists.py                      |  5 +++
 routlin/health.py                             | 31 ++++++++++---------
 3 files changed, 43 insertions(+), 17 deletions(-)

diff --git a/docker/routlin-dash/app/pages/dnsblocking/view.py b/docker/routlin-dash/app/pages/dnsblocking/view.py
index ce150b0..5e98bb6 100644
--- a/docker/routlin-dash/app/pages/dnsblocking/view.py
+++ b/docker/routlin-dash/app/pages/dnsblocking/view.py
@@ -36,8 +36,20 @@ def _dnsblocking_log_tail(cfg):
         return '(error reading log)', ''
 
 
+WARN_ICON = '<img src="/www/icons/warning.svg" data-tooltip="Cached blocklist used. Verify URL is correct." style="width:1em;height:1em;vertical-align:middle;margin-left:0.35em;">'
+
+
+def _last_dl_time():
+    path = f'{config_utils.BLOCKLISTS_DIR}/.last-dl'
+    try:
+        return int(open(path).read().strip())
+    except Exception:
+        return None
+
+
 def blocklist_stats_html(cfg):
-    db_rows = config_utils._bl_db_rows()
+    db_rows     = config_utils._bl_db_rows()
+    last_dl     = _last_dl_time()
     rows = ''
     for bl in cfg.get('dns_blocking', {}).get('blocklists', []):
         name     = bl.get('name', '')
@@ -53,6 +65,7 @@ def blocklist_stats_html(cfg):
             except Exception:
                 size_str = '-'
             last_refreshed = 'Local'
+            warn = ''
         else:
             fetched_at = db.get('fetched_at')
             if fetched_at:
@@ -66,14 +79,19 @@ def blocklist_stats_html(cfg):
             bl_path = f'{config_utils.BLOCKLISTS_DIR}/{save_as}' if save_as else ''
             try:
                 size_str = config_utils.fmt_bytes(os.path.getsize(bl_path))
+                file_mtime = int(os.path.getmtime(bl_path))
             except Exception:
-                size_str = '-'
+                size_str   = '-'
+                file_mtime = None
+            warn = ''
+            if last_dl and file_mtime is not None and file_mtime < last_dl:
+                warn = WARN_ICON
         rows += (
             '<tr>'
             f'<td class="table-cell">{factory.e(name)}</td>'
             f'<td class="table-cell">{entries}</td>'
             f'<td class="table-cell">{size_str}</td>'
-            f'<td class="table-cell">{factory.e(last_refreshed)}</td>'
+            f'<td class="table-cell">{factory.e(last_refreshed)}{warn}</td>'
             '</tr>'
         )
     if not rows:
diff --git a/routlin/dl_blocklists.py b/routlin/dl_blocklists.py
index 5ef4d88..d4d1cc7 100644
--- a/routlin/dl_blocklists.py
+++ b/routlin/dl_blocklists.py
@@ -64,11 +64,16 @@ def download_blocklists(data):
     return not any_fail
 
 
+LAST_DL_FILE  = BLOCKLIST_DIR / ".last-dl"
+
+
 def main():
     check_root()
     data = load_config()
     print("Downloading blocklists ==============================================")
     success = download_blocklists(data)
+    BLOCKLIST_DIR.mkdir(exist_ok=True)
+    LAST_DL_FILE.write_text(str(int(__import__('time').time())))
     if not success:
         print("WARNING: One or more downloads failed.")
         sys.exit(1)
diff --git a/routlin/health.py b/routlin/health.py
index 282a46d..e12e73f 100644
--- a/routlin/health.py
+++ b/routlin/health.py
@@ -515,27 +515,30 @@ def check_configurations(data):
             pass
 
     # --- Blocklist file freshness ---
-    now = datetime.now(timezone.utc).timestamp()
+    now        = datetime.now(timezone.utc).timestamp()
+    bl_library = {bl["name"]: bl for bl in data.get("dns_blocking", {}).get("blocklists", [])}
+    needed     = set()
     for vlan in vlans:
-        names = vlan.get("use_blocklists", [])
-        if not names:
+        needed.update(vlan.get("use_blocklists", []))
+    for name in sorted(needed):
+        bl = bl_library.get(name)
+        if not bl or bl.get("bl_type") == "local":
             continue
-        vlan_name = vlan["name"]
-        path      = _vlan_hosts_file(vlan)
-        label     = ", ".join(sorted(names))
-        if not path.exists():
+        save_as = bl.get("save_as", "")
+        path    = BLOCKLIST_DIR / save_as if save_as else None
+        if not path or not path.exists():
             results.append(problem(
-                f"blocklist_{vlan_name}", f"blocklist ({vlan_name})", "warning",
-                f"Blocklist hosts file for '{vlan_name}' does not exist.",
-                "Run `sudo python3 dl_blocklists.py && sudo python3 core.py --merge-blocklists`."))
+                f"blocklist_{name}", f"blocklist ({name})", "warning",
+                f"Blocklist file for '{name}' has not been downloaded.",
+                "Run `sudo python3 dl_blocklists.py`."))
         elif now - path.stat().st_mtime > BLOCKLIST_STALE_SECS:
             age_h = int((now - path.stat().st_mtime) / 3600)
             results.append(problem(
-                f"blocklist_{vlan_name}", f"blocklist ({vlan_name})", "warning",
-                f"Blocklist hosts file for '{vlan_name}' is {age_h}h old (threshold 36h).",
-                "Run `sudo python3 dl_blocklists.py && sudo python3 core.py --merge-blocklists`."))
+                f"blocklist_{name}", f"blocklist ({name})", "warning",
+                f"Blocklist '{name}' is {age_h}h old (threshold 36h).",
+                "Run `sudo python3 dl_blocklists.py`."))
         else:
-            results.append(ok(f"blocklist_{vlan_name}", f"blocklist ({vlan_name})"))
+            results.append(ok(f"blocklist_{name}", f"blocklist ({name})"))
 
     # --- Disk space ---
     try: