Guillaume BOURGEOIS
31d0a5938a
Azure Resource Manager (Defender for Cloud + Network), 9 commands: list/get security alerts, update alert state, secure score, list/get NSGs, create/delete NSG security rules (deny inbound to isolate). OAuth2 client-credentials, stdlib-only. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
import json, os, sys, urllib.parse, urllib.request, urllib.error
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ARM = "https://management.azure.com"
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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 _token(cfg):
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url = "https://login.microsoftonline.com/" + str(cfg.get("tenant_id", "")) + "/oauth2/v2.0/token"
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form = urllib.parse.urlencode({
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"grant_type": "client_credentials",
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"client_id": str(cfg.get("client_id", "")),
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"client_secret": str(cfg.get("client_secret", "")),
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"scope": "https://management.azure.com/.default",
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}).encode("utf-8")
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req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
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with urllib.request.urlopen(req, timeout=60) as r:
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tok = json.loads(r.read())
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if not tok.get("access_token"):
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raise Exception("Token request failed: " + json.dumps(tok))
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return tok["access_token"]
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def arm(method, path, token, api_version, body=None, params=None, full_url=None):
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url = (full_url if full_url else ARM + path)
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qp = {"api-version": api_version}
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if params:
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qp.update({k: v for k, v in params.items() if v not in (None, "")})
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url += ("&" if "?" in url else "?") + urllib.parse.urlencode(qp)
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data = json.dumps(body).encode("utf-8") if body is not None else None
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headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
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if data is not None:
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headers["Content-Type"] = "application/json"
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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with urllib.request.urlopen(req, timeout=90) as r:
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raw = r.read()
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return json.loads(raw) if raw else {}
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def _run(fn):
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try:
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cfg = _cfg()
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inputs = _inputs()
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token = _token(cfg)
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print(json.dumps(fn(cfg, token, 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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sub = lambda cfg: str(cfg.get("subscription_id", ""))
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q = lambda v: urllib.parse.quote(str(v), safe="")
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def main(cfg, token, inputs):
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resource_group = inputs.get("resource_group")
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if not resource_group:
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raise Exception("resource_group is required")
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nsg_name = inputs.get("nsg_name")
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if not nsg_name:
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raise Exception("nsg_name is required")
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rule_name = inputs.get("rule_name")
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if not rule_name:
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raise Exception("rule_name is required")
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priority = inputs.get("priority")
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if priority in (None, ""):
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raise Exception("priority is required")
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direction = inputs.get("direction")
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access = inputs.get("access")
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protocol = inputs.get("protocol")
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source = inputs.get("source")
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destination = inputs.get("destination")
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destination_port = inputs.get("destination_port")
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path = ("/subscriptions/" + sub(cfg) + "/resourceGroups/" + q(resource_group) +
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"/providers/Microsoft.Network/networkSecurityGroups/" + q(nsg_name) +
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"/securityRules/" + q(rule_name))
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body = {
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"properties": {
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"priority": int(priority),
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"direction": direction or "Inbound",
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"access": access or "Deny",
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"protocol": protocol or "*",
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"sourceAddressPrefix": source or "*",
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"destinationAddressPrefix": destination or "*",
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"sourcePortRange": "*",
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"destinationPortRange": destination_port or "*",
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}
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}
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return arm("PUT", path, token, "2023-09-01", body=body)
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_run(main)
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