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113 lines
3.9 KiB
113 lines
3.9 KiB
/* eslint no-underscore-dangle: ["error", { "allow": ["_text", "_cdata"] }] */
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import cache from "memory-cache";
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import { xml2json } from "xml-js";
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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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const proxyName = "qnapProxyHandler";
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const sessionTokenCacheKey = `${proxyName}__sessionToken`;
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const logger = createLogger(proxyName);
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async function login(widget, service) {
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const endpoint = "{url}/cgi-bin/authLogin.cgi";
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const loginUrl = new URL(formatApiCall(endpoint, widget));
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const headers = { "Content-Type": "application/x-www-form-urlencoded" };
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const [, , data] = await httpProxy(loginUrl, {
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method: "POST",
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body: new URLSearchParams({
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user: widget.username,
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pwd: Buffer.from(`${widget.password}`).toString("base64"),
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}).toString(),
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headers,
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});
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try {
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const dataDecoded = xml2json(data.toString(), { compact: true });
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const jsonData = JSON.parse(dataDecoded);
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const token = jsonData.QDocRoot.authSid._cdata;
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cache.put(`${sessionTokenCacheKey}.${service}`, token);
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return { token };
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} catch (e) {
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logger.error("Unable to login to QNAP API: %s", e);
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}
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return { token: false };
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}
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async function apiCall(widget, endpoint, service) {
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let key = cache.get(`${sessionTokenCacheKey}.${service}`);
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let apiUrl = new URL(formatApiCall(`${endpoint}&sid=${key}`, widget));
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let [status, contentType, data, responseHeaders] = await httpProxy(apiUrl);
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if (status === 404) {
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logger.error("QNAP API rejected the request, attempting to obtain new session token");
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key = await login(widget, service);
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apiUrl = new URL(formatApiCall(`${endpoint}&sid=${key}`, widget));
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[status, contentType, data, responseHeaders] = await httpProxy(apiUrl);
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}
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if (status !== 200) {
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logger.error("Error getting data from QNAP: %s status %d. Data: %s", apiUrl, status, data);
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return { status, contentType, data: null, responseHeaders };
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}
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let dataDecoded = JSON.parse(xml2json(data.toString(), { compact: true }).toString());
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if (dataDecoded.QDocRoot.authPassed._cdata === "0") {
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logger.error("QNAP API rejected the request, attempting to obtain new session token");
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key = await login(widget, service);
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apiUrl = new URL(formatApiCall(`${endpoint}&sid=${key}`, widget));
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[status, contentType, data, responseHeaders] = await httpProxy(apiUrl);
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if (status !== 200) {
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logger.error("Error getting data from QNAP: %s status %d. Data: %s", apiUrl, status, data);
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return { status, contentType, data: null, responseHeaders };
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}
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dataDecoded = JSON.parse(xml2json(data.toString(), { compact: true }).toString());
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}
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return { status, contentType, data: dataDecoded, responseHeaders };
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}
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export default async function qnapProxyHandler(req, res) {
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const { group, service } = req.query;
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if (!group || !service) {
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logger.debug("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.debug("Invalid or missing widget for service '%s' in 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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if (!cache.get(`${sessionTokenCacheKey}.${service}`)) {
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await login(widget, service);
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}
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const { data: systemStatsData } = await apiCall(
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widget,
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"{url}/cgi-bin/management/manaRequest.cgi?subfunc=sysinfo&hd=no&multicpu=1",
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service,
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);
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const { data: volumeStatsData } = await apiCall(
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widget,
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"{url}/cgi-bin/management/chartReq.cgi?chart_func=disk_usage&disk_select=all&include=all",
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service,
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);
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return res.status(200).send({
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system: systemStatsData.QDocRoot.func.ownContent.root,
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volume: volumeStatsData.QDocRoot,
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});
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}
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