From f7791402a37cfbccd5e0abc54879ac412003f2dd Mon Sep 17 00:00:00 2001 From: Guillaume BOURGEOIS Date: Mon, 13 Jul 2026 12:08:49 +0200 Subject: [PATCH] feat(feed): add Cloudflare IPs feed connector (allowlist / known infra) --- .../feed-cloudflare-ips/manifest.yaml | 40 ++++++++++++ .../scripts/fetch_indicators.py | 62 +++++++++++++++++++ .../scripts/test_connection.py | 49 +++++++++++++++ 3 files changed, 151 insertions(+) create mode 100644 integrations/feed-cloudflare-ips/manifest.yaml create mode 100644 integrations/feed-cloudflare-ips/scripts/fetch_indicators.py create mode 100644 integrations/feed-cloudflare-ips/scripts/test_connection.py diff --git a/integrations/feed-cloudflare-ips/manifest.yaml b/integrations/feed-cloudflare-ips/manifest.yaml new file mode 100644 index 0000000..1f0001f --- /dev/null +++ b/integrations/feed-cloudflare-ips/manifest.yaml @@ -0,0 +1,40 @@ +id: feed_cloudflare_ips +name: Cloudflare IPs Feed +version: 1.0.0 +description: "Cloudflare IP ranges feed connector — pull the official Cloudflare edge IP ranges (IPv4 and/or IPv6) and emit normalized IOCs (CIDR + type) 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 Cloudflare ips-v4 / ips-v6." +category: feed + +# Cloudflare publishes its edge IP ranges as free plain-text lists over HTTPS. +config_schema: + properties: + family: + type: string + description: "Which addresses: v4, v6 or both (default both)" + default: "both" + insecure: + type: boolean + description: "Trust any TLS certificate (not secure)" + default: false + required: [] + +commands: + - id: fetch_indicators + name: feed-cloudflare-ips-fetch-indicators + description: "Fetch the Cloudflare IP ranges and return normalized indicators." + risk: read + inputs_schema: + properties: + family: { type: string, description: "v4 | v6 | both (overrides the config default)" } + max_indicators: { type: number, description: "Max indicators to return (0 = no limit, default 0)" } + required: [] + outputs_schema: { properties: {} } + + - id: test_connection + name: feed-cloudflare-ips-test-connection + description: "Verify the Cloudflare IPs feed is reachable (used by the Test button)." + risk: read + inputs_schema: + properties: {} + required: [] + outputs_schema: { properties: {} } diff --git a/integrations/feed-cloudflare-ips/scripts/fetch_indicators.py b/integrations/feed-cloudflare-ips/scripts/fetch_indicators.py new file mode 100644 index 0000000..458e070 --- /dev/null +++ b/integrations/feed-cloudflare-ips/scripts/fetch_indicators.py @@ -0,0 +1,62 @@ +import json, os, sys, ssl, urllib.request, urllib.error + +URLS = { + "v4": "https://www.cloudflare.com/ips-v4", + "v6": "https://www.cloudflare.com/ips-v6", +} + + +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"}) + 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): + fam = str(inputs.get("family") or cfg.get("family") or "both").lower() + families = ["v4", "v6"] if fam == "both" else [fam if fam in URLS else "v4"] + + maxn = int(inputs.get("max_indicators") or 0) + out = [] + for f in families: + raw = _get(URLS[f], cfg).decode("utf-8", "replace") + for line in raw.splitlines(): + line = line.strip() + if not line or line.startswith("#"): + continue + out.append({"value": line, "type": "cidr", "provider": "cloudflare"}) + if maxn and len(out) >= maxn: + return {"source": "cloudflare:ips", "count": len(out), "indicators": out} + + return {"source": "cloudflare:ips", "count": len(out), "indicators": out} + + +_run(main) diff --git a/integrations/feed-cloudflare-ips/scripts/test_connection.py b/integrations/feed-cloudflare-ips/scripts/test_connection.py new file mode 100644 index 0000000..1840d86 --- /dev/null +++ b/integrations/feed-cloudflare-ips/scripts/test_connection.py @@ -0,0 +1,49 @@ +import json, os, sys, ssl, urllib.request, urllib.error + +URLS = { + "v4": "https://www.cloudflare.com/ips-v4", + "v6": "https://www.cloudflare.com/ips-v6", +} + + +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"}) + 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(URLS["v4"], cfg).decode("utf-8", "replace") + n = sum(1 for ln in raw.splitlines() if ln.strip() and not ln.startswith("#")) + return {"ok": True, "sample_count": n} + + +_run(main)