feat(thehive): new TheHive case-management integration

TheHive 5 API v1, 10 commands: case create/get/update/search, create task,
alert create/get/promote-to-case, add observable. Bearer (API key) auth,
stdlib-only.

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

integrations/thehive/scripts/get_alert.py

@@ -0,0 +1,44 @@
+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 request(method, path, cfg, body=None):
+    url = str(cfg.get("base_url", "")).rstrip("/") + path
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + str(cfg.get("api_key", "")), "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):
+    alert_id = str(inputs.get("alert_id", "")).strip()
+    if not alert_id:
+        raise Exception("alert_id is required")
+
+    q = lambda v: urllib.parse.quote(str(v), safe="")
+    return request("GET", "/api/v1/alert/" + q(alert_id), cfg)
+
+
+_run(main)