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103 lines
3.1 KiB
103 lines
3.1 KiB
import cache from "memory-cache";
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import getServiceWidget from "utils/config/service-helpers";
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import { formatApiCall } from "utils/proxy/api-helpers";
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import { httpProxy } from "utils/proxy/http";
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import widgets from "widgets/widgets";
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import createLogger from "utils/logger";
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const proxyName = "npmProxyHandler";
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const tokenCacheKey = `${proxyName}__token`;
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const logger = createLogger(proxyName);
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async function login(loginUrl, username, password, service) {
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const authResponse = await httpProxy(loginUrl, {
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method: "POST",
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body: JSON.stringify({ identity: username, secret: password }),
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headers: {
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"Content-Type": "application/json",
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},
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});
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const status = authResponse[0];
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let data = authResponse[2];
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try {
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data = JSON.parse(Buffer.from(authResponse[2]).toString());
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if (status === 200) {
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const expiration = new Date(data.expires) - Date.now();
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cache.put(`${tokenCacheKey}.${service}`, data.token, expiration - 5 * 60 * 1000); // expiration -5 minutes
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}
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} catch (e) {
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logger.error(`Error ${status} logging into npm`, authResponse[2]);
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}
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return [status, data.token ?? data];
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}
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export default async function npmProxyHandler(req, res) {
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const { group, service, endpoint } = req.query;
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if (group && service) {
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const widget = await getServiceWidget(group, service);
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if (!widgets?.[widget.type]?.api) {
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return res.status(403).json({ error: "Service does not support API calls" });
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}
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if (widget) {
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const url = new URL(formatApiCall(widgets[widget.type].api, { endpoint, ...widget }));
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const loginUrl = `${widget.url}/api/tokens`;
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let status;
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let contentType;
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let data;
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let token = cache.get(`${tokenCacheKey}.${service}`);
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if (!token) {
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[status, token] = await login(loginUrl, widget.username, widget.password, service);
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if (status !== 200) {
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logger.debug(`HTTTP ${status} logging into npm api: ${token}`);
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return res.status(status).send(token);
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}
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}
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[status, contentType, data] = await httpProxy(url, {
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method: "GET",
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headers: {
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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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if (status === 403) {
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logger.debug(`HTTTP ${status} retrieving data from npm api, logging in and trying again.`);
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cache.del(`${tokenCacheKey}.${service}`);
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[status, token] = await login(loginUrl, widget.username, widget.password, service);
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if (status !== 200) {
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logger.debug(`HTTTP ${status} logging into npm api: ${data}`);
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return res.status(status).send(data);
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}
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// eslint-disable-next-line no-unused-vars
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[status, contentType, data] = await httpProxy(url, {
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method: "GET",
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headers: {
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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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}
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if (status !== 200) {
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return res.status(status).send(data);
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}
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return res.send(data);
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}
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}
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return res.status(400).json({ error: "Invalid proxy service type" });
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}
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