From 9cffefbb36474220d6c6fbf5df7c04af7397dbcb Mon Sep 17 00:00:00 2001 From: Guillaume BOURGEOIS Date: Mon, 13 Jul 2026 12:08:49 +0200 Subject: [PATCH] feat(feed): add GCP IP ranges feed connector (allowlist / known infra) --- integrations/feed-gcp-ipranges/manifest.yaml | 39 +++++++++++ .../scripts/fetch_indicators.py | 70 +++++++++++++++++++ .../scripts/test_connection.py | 49 +++++++++++++ 3 files changed, 158 insertions(+) create mode 100644 integrations/feed-gcp-ipranges/manifest.yaml create mode 100644 integrations/feed-gcp-ipranges/scripts/fetch_indicators.py create mode 100644 integrations/feed-gcp-ipranges/scripts/test_connection.py diff --git a/integrations/feed-gcp-ipranges/manifest.yaml b/integrations/feed-gcp-ipranges/manifest.yaml new file mode 100644 index 0000000..f8bcd47 --- /dev/null +++ b/integrations/feed-gcp-ipranges/manifest.yaml @@ -0,0 +1,39 @@ +id: feed_gcp_ipranges +name: GCP IP Ranges Feed +version: 1.0.0 +description: "Google Cloud Platform IP ranges feed connector — pull the official GCP public IP range list and emit normalized IOCs (CIDR + type, with service/scope) for import into the Threat Indicator Manager. Intended as an allowlist / known-infrastructure feed (mark benign in TIM). Free, no authentication required; stdlib-only, no extra Python dependencies." +changelog: "1.0.0 — Initial release: fetch the GCP cloud.json (IPv4 + IPv6)." +category: feed + +# GCP publishes its public IP ranges as a free JSON file over HTTPS. +config_schema: + properties: + service: + type: string + description: "Optional: only return prefixes for this GCP service (e.g. Google Cloud, Google APIs)" + insecure: + type: boolean + description: "Trust any TLS certificate (not secure)" + default: false + required: [] + +commands: + - id: fetch_indicators + name: feed-gcp-ipranges-fetch-indicators + description: "Fetch the GCP IP ranges and return normalized indicators." + risk: read + inputs_schema: + properties: + service: { type: string, description: "Filter by GCP service (overrides config)" } + max_indicators: { type: number, description: "Max indicators to return (0 = no limit, default 0)" } + required: [] + outputs_schema: { properties: {} } + + - id: test_connection + name: feed-gcp-ipranges-test-connection + description: "Verify the GCP IP ranges feed is reachable (used by the Test button)." + risk: read + inputs_schema: + properties: {} + required: [] + outputs_schema: { properties: {} } diff --git a/integrations/feed-gcp-ipranges/scripts/fetch_indicators.py b/integrations/feed-gcp-ipranges/scripts/fetch_indicators.py new file mode 100644 index 0000000..3ccf189 --- /dev/null +++ b/integrations/feed-gcp-ipranges/scripts/fetch_indicators.py @@ -0,0 +1,70 @@ +import json, os, sys, ssl, urllib.request, urllib.error + +URL = "https://www.gstatic.com/ipranges/cloud.json" + + +def _cfg(): + return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}")) + + +def _inputs(): + return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}")) + + +def _ctx(cfg): + if cfg.get("insecure"): + c = ssl.create_default_context() + c.check_hostname = False + c.verify_mode = ssl.CERT_NONE + return c + return None + + +def _get(url, cfg): + req = urllib.request.Request( + url, headers={"User-Agent": "Riposte-SOAR", "Accept": "application/json"} + ) + with urllib.request.urlopen(req, timeout=120, context=_ctx(cfg)) as r: + return r.read() + + +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): + service = inputs.get("service") or cfg.get("service") + raw = _get(URL, cfg) + data = json.loads(raw) if raw else {} + + maxn = int(inputs.get("max_indicators") or 0) + out = [] + for p in data.get("prefixes", []): + if not isinstance(p, dict): + continue + cidr = p.get("ipv4Prefix") or p.get("ipv6Prefix") + if not cidr: + continue + if service and p.get("service") != service: + continue + out.append({ + "value": cidr, + "type": "cidr", + "service": p.get("service"), + "scope": p.get("scope"), + "provider": "gcp", + }) + if maxn and len(out) >= maxn: + break + + return {"source": "gcp:cloud", "count": len(out), "indicators": out} + + +_run(main) diff --git a/integrations/feed-gcp-ipranges/scripts/test_connection.py b/integrations/feed-gcp-ipranges/scripts/test_connection.py new file mode 100644 index 0000000..4729d43 --- /dev/null +++ b/integrations/feed-gcp-ipranges/scripts/test_connection.py @@ -0,0 +1,49 @@ +import json, os, sys, ssl, urllib.request, urllib.error + +URL = "https://www.gstatic.com/ipranges/cloud.json" + + +def _cfg(): + return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}")) + + +def _inputs(): + return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}")) + + +def _ctx(cfg): + if cfg.get("insecure"): + c = ssl.create_default_context() + c.check_hostname = False + c.verify_mode = ssl.CERT_NONE + return c + return None + + +def _get(url, cfg): + req = urllib.request.Request( + url, headers={"User-Agent": "Riposte-SOAR", "Accept": "application/json"} + ) + with urllib.request.urlopen(req, timeout=60, context=_ctx(cfg)) as r: + return r.read() + + +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): + raw = _get(URL, cfg) + data = json.loads(raw) if raw else {} + n = len(data.get("prefixes", [])) if isinstance(data, dict) else 0 + return {"ok": True, "sample_count": n, "creation_time": data.get("creationTime")} + + +_run(main)