Development

docker/routlin-dash/app/pages/dnsblocking/view.py

@@ -0,0 +1,57 @@
+import json
+import os
+from datetime import datetime, timezone
+from view_common import fmt_bytes, relative_time, BLOCKLISTS_DIR
+from factory import e
+
+
+def _blocklist_stats_html(cfg):
+    rows = ''
+    for bl in cfg.get('dns_blocking', {}).get('blocklists', []):
+        name = e(bl.get('name', ''))
+        save_as = bl.get('save_as', '')
+        bl_path = f'{BLOCKLISTS_DIR}/{save_as}' if save_as else ''
+        try:
+            with open(bl_path) as f:
+                entries = sum(1 for _ in f)
+            mtime = int(os.path.getmtime(bl_path))
+            size_str = fmt_bytes(os.path.getsize(bl_path))
+            last_refreshed = (
+                f'{datetime.fromtimestamp(mtime).strftime("%Y-%m-%d %H:%M")}'
+                f' ({relative_time(mtime, datetime.now(tz=timezone.utc).timestamp())} ago)'
+            )
+        except Exception:
+            entries, size_str, last_refreshed = '-', '-', 'Never'
+        rows += (
+            '<tr>'
+            f'<td class="table-cell">{name}</td>'
+            f'<td class="table-cell">{entries}</td>'
+            f'<td class="table-cell">{size_str}</td>'
+            f'<td class="table-cell">{e(last_refreshed)}</td>'
+            '</tr>'
+        )
+    if not rows:
+        return ''
+    return (
+        '<table class="data-table"><thead><tr>'
+        '<th class="table-header">Blocklist</th>'
+        '<th class="table-header">Entries</th>'
+        '<th class="table-header">Size</th>'
+        '<th class="table-header">Last Refreshed</th>'
+        '</tr></thead>'
+        f'<tbody>{rows}</tbody></table>'
+    )
+
+
+def collect_tokens(cfg):
+    dns_blk_gen = cfg.get('dns_blocking', {}).get('general', {})
+    return {
+        'GENERAL_LOG_MAX_KB':         str(dns_blk_gen.get('log_max_kb', '-')),
+        'GENERAL_LOG_ERRORS_ONLY':    'true' if dns_blk_gen.get('log_errors_only') else 'false',
+        'GENERAL_DAILY_EXECUTE_TIME': str(dns_blk_gen.get('daily_execute_time_24hr_local', '-')),
+        'BLOCKLIST_STATS_HTML':       _blocklist_stats_html(cfg),
+        'BLOCKLIST_FORMAT_OPTIONS':   json.dumps([
+            {'value': 'hosts',   'label': 'hosts (hosts file format)'},
+            {'value': 'dnsmasq', 'label': 'dnsmasq (local=/ syntax)'},
+        ]),
+    }