feat(greynoise): new GreyNoise enrichment integration

7 commands: IP context, quick check, RIOT, GNQL query + stats, IP
timeline. API-key auth, stdlib-only.

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

integrations/greynoise/scripts/ip_context.py

@@ -0,0 +1,42 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://api.greynoise.io"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def request(method, path, params=None):
+    url = API + path
+    q = {k: str(x) for k, x in (params or {}).items() if x not in (None, "")}
+    if q:
+        url += ("&" if "?" in url else "?") + urllib.parse.urlencode(q)
+    headers = {"Accept": "application/json", "key": str(_cfg().get("api_key") or "")}
+    req = urllib.request.Request(url, 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", "{}"))
+    ip = inputs.get("ip")
+    if not ip:
+        raise Exception("ip is required")
+
+    result = request("GET", "/v2/noise/context/" + q(ip))
+    print(json.dumps(result))
+
+
+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)