Guillaume BOURGEOIS
c779c38dab
Pulls STIX 2.x indicators from any TAXII 2.1 server, parses the STIX patterns
into normalized IOCs {value,type} for TIM import. list-collections + fetch.
Basic/bearer/none auth, stdlib-only. py_compile clean.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
import json, os, sys, re, ssl, base64, urllib.parse, urllib.request, urllib.error
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def _cfg():
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return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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def _inputs():
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return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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def _ctx(cfg):
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if cfg.get("insecure"):
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c = ssl.create_default_context()
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c.check_hostname = False
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c.verify_mode = ssl.CERT_NONE
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return c
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return None
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def _root(cfg):
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return str(cfg.get("api_root_url", "")).rstrip("/")
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def _headers(cfg):
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h = {"Accept": "application/taxii+json;version=2.1", "User-Agent": "Riposte-SOAR"}
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at = str(cfg.get("auth_type") or "basic").lower()
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if at == "basic":
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raw = str(cfg.get("username", "")) + ":" + str(cfg.get("password", ""))
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h["Authorization"] = "Basic " + base64.b64encode(raw.encode("utf-8")).decode("ascii")
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elif at == "bearer":
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h["Authorization"] = "Bearer " + str(cfg.get("password", ""))
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return h
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def request(path, cfg, params=None):
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url = _root(cfg) + path
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if params:
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clean = {k: v for k, v in params.items() if v not in (None, "")}
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if clean:
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url += "?" + urllib.parse.urlencode(clean)
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req = urllib.request.Request(url, headers=_headers(cfg), method="GET")
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with urllib.request.urlopen(req, timeout=120, context=_ctx(cfg)) as r:
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raw = r.read()
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return json.loads(raw) if raw else {}
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# STIX pattern parsing: extract stix object type + value from an indicator pattern
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# e.g. [ipv4-addr:value = '1.2.3.4'] , [domain-name:value = 'bad.com'] ,
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# [file:hashes.'SHA-256' = 'abc...'] , [url:value = 'http://x']
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_PAT = re.compile(r"(\w[\w-]*):(?:value|hashes\.'?[\w:-]+'?)\s*=\s*'([^']+)'")
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_STIX_TYPE = {
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"ipv4-addr": "ip", "ipv6-addr": "ip",
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"domain-name": "domain",
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"url": "url",
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"email-addr": "email", "email-message": "email",
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"file": "hash",
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"user-account": "user",
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}
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def parse_pattern(pattern):
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out = []
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for m in _PAT.finditer(pattern or ""):
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stix_type, value = m.group(1), m.group(2)
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t = _STIX_TYPE.get(stix_type)
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if t:
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out.append({"value": value, "type": t})
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return out
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def _run(fn):
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try:
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print(json.dumps(fn(_cfg(), _inputs())))
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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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def main(cfg, inputs):
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return request("/collections/", cfg)
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_run(main)
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