f3nris
585c06385c
HarfangLab answers a 500 now and then on a call that passes when sent again. Each script's request() now retries up to three times (1, 2, 4 s): GET on 429/500/502/503/504, writes only on 429/502/503 so an isolation, a kill or a job is never sent twice. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
import json, os, sys, time, urllib.request, urllib.parse, urllib.error
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RETRIES = 3
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def retryable(method, status):
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# HarfangLab answers a 500 now and then on a call that passes when sent again.
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# A read is safe to resend; a write only on an answer that says the action was
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# not run (rate limit, gateway down), so an isolation or a job is never sent twice.
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if status in (429, 502, 503):
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return True
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return method == "GET" and status in (500, 504)
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def request(method, url, headers, body=None):
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data = json.dumps(body).encode("utf-8") if body is not None else None
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for attempt in range(RETRIES + 1):
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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try:
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with urllib.request.urlopen(req, timeout=60) as resp:
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raw = resp.read()
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return json.loads(raw) if raw else {}
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except urllib.error.HTTPError as e:
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if attempt == RETRIES or not retryable(method, e.code):
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raise
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e.close()
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time.sleep(2 ** attempt)
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def qs(params):
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clean = {}
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for k, v in params.items():
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if v is None or v == "" or v == []:
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continue
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if isinstance(v, bool):
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v = "true" if v else "false"
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clean[k] = v
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return ("?" + urllib.parse.urlencode(clean)) if clean else ""
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def csv(v):
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return [x.strip() for x in str(v or "").split(",") if x.strip()]
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def main():
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secrets = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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base = secrets.get("url", "").rstrip("/")
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headers = {
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"Authorization": "Token " + secrets.get("api_token", ""),
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"Accept": "application/json",
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"Content-Type": "application/json",
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}
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source_name = inputs.get("source_name")
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ioc_value = inputs.get("ioc_value")
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sources = request("GET", base + "/api/data/threat_intelligence/IOCSource/" + qs({"search": source_name}), headers)
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sid = None
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for s in sources.get("results", []):
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if s.get("name") == source_name:
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sid = s.get("id")
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existing = request("GET", base + "/api/data/threat_intelligence/IOCRule/" + qs({"source_id": sid, "search": ioc_value}), headers)
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if existing.get("count", 0) > 0:
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ioc_id = str(existing["results"][0]["id"])
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request("DELETE", base + "/api/data/threat_intelligence/IOCRule/" + ioc_id + "/", headers)
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print(json.dumps({"message": "IOC " + str(ioc_value) + " removed from source " + str(source_name)}))
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else:
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print(json.dumps({"message": "IOC " + str(ioc_value) + " does not exist in source " + str(source_name)}))
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try:
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main()
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except urllib.error.HTTPError as e:
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print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
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sys.exit(1)
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except Exception as e:
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print(json.dumps({"error": str(e)}))
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sys.exit(1)
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