feat(cisco-umbrella-enforcement): new Cisco Umbrella Enforcement integration

Umbrella Enforcement API, 4 commands: add domain (DNS-layer block),
list enforced domains, delete domain. Customer-key auth, stdlib-only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

integrations/cisco-umbrella-enforcement/scripts/test_connection.py

@@ -0,0 +1,47 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _base(cfg):
+    return (str(cfg.get("api_url") or "https://s-platform.api.opendns.com")).rstrip("/")
+
+
+def request(method, path, cfg, body=None, params=None):
+    p = {"customerKey": str(cfg.get("api_key", ""))}
+    if params:
+        p.update(params)
+    url = _base(cfg) + path + "?" + urllib.parse.urlencode(p)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        print(json.dumps(fn(_cfg(), _inputs())))
+    except urllib.error.HTTPError as e:
+        print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
+        sys.exit(1)
+    except Exception as e:
+        print(json.dumps({"error": str(e)}))
+        sys.exit(1)
+
+
+def main(cfg, inputs):
+    request("GET", "/1.0/domains", cfg, params={"page": 1, "limit": 1})
+    return {"ok": True}
+
+
+_run(main)