Feature: crowdsec widget (#3197)
shamoon
4 weeks ago
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GitHub
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def9b27006
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d4c0e482d3
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---
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title: Crowdsec
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description: Crowdsec Widget Configuration
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---
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Learn more about [Crowdsec](https://crowdsec.net).
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See the [crowdsec docs](https://docs.crowdsec.net/docs/local_api/intro/#machines) for information about registering a machine,
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in most instances you can use the default credentials (`/etc/crowdsec/local_api_credentials.yaml`).
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Allowed fields: ["alerts", "bans"]
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```yaml
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widget:
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type: crowdsec
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url: http://crowdsechostorip:port
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username: localhost # machine_id in crowdsec
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passowrd: password
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```
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@ -0,0 +1,34 @@
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import { useTranslation } from "next-i18next";
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import Container from "components/services/widget/container";
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import Block from "components/services/widget/block";
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import useWidgetAPI from "utils/proxy/use-widget-api";
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export default function Component({ service }) {
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const { t } = useTranslation();
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const { widget } = service;
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const { data: alerts, error: alertsError } = useWidgetAPI(widget, "alerts");
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const { data: bans, error: bansError } = useWidgetAPI(widget, "bans");
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if (alertsError || bansError) {
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return <Container service={service} error={alertsError ?? bansError} />;
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}
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if (!alerts || !bans) {
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return (
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<Container service={service}>
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<Block label="crowdsec.alerts" />
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<Block label="crowdsec.bans" />
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</Container>
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);
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}
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return (
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<Container service={service}>
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<Block label="crowdsec.alerts" value={t("common.number", { value: alerts.length })} />
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<Block label="crowdsec.bans" value={t("common.number", { value: bans.length })} />
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</Container>
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);
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}
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@ -0,0 +1,90 @@
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import cache from "memory-cache";
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import { httpProxy } from "utils/proxy/http";
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import { formatApiCall } from "utils/proxy/api-helpers";
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import getServiceWidget from "utils/config/service-helpers";
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import createLogger from "utils/logger";
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import widgets from "widgets/widgets";
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const proxyName = "crowdsecProxyHandler";
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const logger = createLogger(proxyName);
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const sessionTokenCacheKey = `${proxyName}__sessionToken`;
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async function login(widget, service) {
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const url = formatApiCall(widgets[widget.type].loginURL, widget);
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const [status, , data] = await httpProxy(url, {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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"User-Agent": "Mozilla/5.0", // Crowdsec requires a user-agent
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},
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body: JSON.stringify({
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machine_id: widget.username,
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password: widget.password,
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scenarios: [],
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}),
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});
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const dataParsed = JSON.parse(data);
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if (!(status === 200) || !dataParsed.token) {
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logger.error("Failed to login to Crowdsec API, status: %d", status);
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cache.del(`${sessionTokenCacheKey}.${service}`);
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}
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cache.put(`${sessionTokenCacheKey}.${service}`, dataParsed.token, new Date(dataParsed.expire) - new Date());
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}
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export default async function crowdsecProxyHandler(req, res) {
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const { group, service, endpoint } = req.query;
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if (!group || !service) {
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logger.error("Invalid or missing service '%s' or group '%s'", service, group);
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return res.status(400).json({ error: "Invalid proxy service type" });
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}
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const widget = await getServiceWidget(group, service);
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if (!widget || !widgets[widget.type].api) {
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logger.error("Invalid or missing widget for service '%s' in group '%s'", service, group);
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return res.status(400).json({ error: "Invalid widget configuration" });
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}
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if (!cache.get(`${sessionTokenCacheKey}.${service}`)) {
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await login(widget, service);
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}
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const token = cache.get(`${sessionTokenCacheKey}.${service}`);
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if (!token) {
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return res.status(500).json({ error: "Failed to authenticate with Crowdsec" });
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}
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const url = new URL(formatApiCall(widgets[widget.type].api, { endpoint, ...widget }));
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try {
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const params = {
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method: "GET",
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headers: {
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"User-Agent": "Mozilla/5.0", // Crowdsec requires a user-agent
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"Content-Type": "application/json",
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Authorization: `Bearer ${token}`,
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},
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};
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logger.debug("Calling Crowdsec API endpoint: %s", endpoint);
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if (endpoint.indexOf("decisions") === 0) {
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delete params.headers.Authorization;
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}
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const [status, , data] = await httpProxy(url, params);
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if (status !== 200) {
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logger.error("Error calling Crowdsec API: %d. Data: %s", status, data);
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return res.status(status).json({ error: "Crowdsec API Error", data });
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}
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return res.status(status).send(data);
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} catch (error) {
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logger.error("Exception calling Crowdsec API: %s", error.message);
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return res.status(500).json({ error: "Crowdsec API Error", message: error.message });
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}
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}
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@ -0,0 +1,18 @@
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import crowdsecProxyHandler from "./proxy";
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const widget = {
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api: "{url}/v1/{endpoint}",
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loginURL: "{url}/v1/watchers/login",
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proxyHandler: crowdsecProxyHandler,
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mappings: {
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alerts: {
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endpoint: "alerts",
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},
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bans: {
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endpoint: "alerts?decision_type=ban&origin=crowdsec&has_active_decision=1",
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},
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},
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};
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export default widget;
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