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96 lines
3.1 KiB
96 lines
3.1 KiB
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 = "piholeProxyHandler";
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const logger = createLogger(proxyName);
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const sessionSIDCacheKey = `${proxyName}__sessionSID`;
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async function login(widget, service) {
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const url = formatApiCall(widgets[widget.type].api, { ...widget, endpoint: "auth" });
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const [status, , data] = await httpProxy(url, {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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password: widget.key,
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}),
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});
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const dataParsed = JSON.parse(data);
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if (status !== 200 || !dataParsed.session) {
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logger.error("Failed to login to Pi-Hole API, status: %d", status);
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cache.del(`${sessionSIDCacheKey}.${service}`);
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} else {
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cache.put(`${sessionSIDCacheKey}.${service}`, dataParsed.session.sid, dataParsed.session.validity);
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}
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}
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export default async function piholeProxyHandler(req, res) {
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const { group, service } = req.query;
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let endpoint = "stats/summary";
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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) {
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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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let status;
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let data;
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if (!widget.version || widget.version < 6) {
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// pihole v5
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endpoint = "summaryRaw";
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[status, , data] = await httpProxy(formatApiCall(widgets[widget.type].apiv5, { ...widget, endpoint }));
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return res.status(status).send(data);
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}
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// pihole v6
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if (!cache.get(`${sessionSIDCacheKey}.${service}`)) {
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await login(widget, service);
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}
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const sid = cache.get(`${sessionSIDCacheKey}.${service}`);
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if (!sid) {
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return res.status(500).json({ error: "Failed to authenticate with Pi-hole" });
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}
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try {
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logger.debug("Calling Pi-hole API endpoint: %s", endpoint);
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[status, , data] = await httpProxy(formatApiCall(widgets[widget.type].api, { ...widget, endpoint }), {
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headers: {
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"Content-Type": "application/json",
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"X-FTL-SID": sid,
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},
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});
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if (status !== 200) {
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logger.error("Error calling Pi-Hole API: %d. Data: %s", status, data);
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return res.status(status).json({ error: "Pi-Hole API Error", data });
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}
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const dataParsed = JSON.parse(data);
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return res.status(status).json({
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domains_being_blocked: dataParsed.gravity.domains_being_blocked,
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ads_blocked_today: dataParsed.queries.blocked,
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ads_percentage_today: dataParsed.queries.percent_blocked,
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dns_queries_today: dataParsed.queries.total,
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});
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} catch (error) {
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logger.error("Exception calling Pi-Hole API: %s", error.message);
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return res.status(500).json({ error: "Pi-Hole API Error", message: error.message });
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}
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}
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