feat(securitytrails): new SecurityTrails enrichment integration

8 commands: domain details, subdomains, WHOIS, DNS history, associated
domains, IP neighbors, domain search. API-key auth, stdlib-only.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

integrations/securitytrails/scripts/domain_whois.py

@@ -0,0 +1,44 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://api.securitytrails.com/v1"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def request(method, path, params=None, body=None):
+    url = API + path
+    p = {k: str(x) for k, x in (params or {}).items() if x not in (None, "")}
+    if p:
+        url += ("&" if "?" in url else "?") + urllib.parse.urlencode(p)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Accept": "application/json", "APIKEY": str(_cfg().get("api_key") or "")}
+    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 {}
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main():
+    inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+    domain = inputs.get("domain")
+    if not domain:
+        raise Exception("domain is required")
+    res = request("GET", "/domain/" + q(domain) + "/whois")
+    print(json.dumps(res))
+
+
+try:
+    main()
+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)