refactor widget api design

this passes all widget API calls through the backend, with a pluggable design and reusable API handlers

src/pages/api/services/proxy.js

@@ -0,0 +1,36 @@
+import genericProxyHandler from "utils/proxies/generic";
+import credentialedProxyHandler from "utils/proxies/credentialed";
+import rutorrentProxyHandler from "utils/proxies/rutorrent";
+import nzbgetProxyHandler from "utils/proxies/nzbget";
+import npmProxyHandler from "utils/proxies/npm";
+
+const serviceProxyHandlers = {
+  // uses query param auth
+  emby: genericProxyHandler,
+  pihole: genericProxyHandler,
+  radarr: genericProxyHandler,
+  sonarr: genericProxyHandler,
+  speedtest: genericProxyHandler,
+  tautulli: genericProxyHandler,
+  traefik: genericProxyHandler,
+  // uses X-API-Key header auth
+  portainer: credentialedProxyHandler,
+  jellyseerr: credentialedProxyHandler,
+  ombi: credentialedProxyHandler,
+  // super specific handlers
+  rutorrent: rutorrentProxyHandler,
+  nzbget: nzbgetProxyHandler,
+  npm: npmProxyHandler,
+};
+
+export default async function handler(req, res) {
+  const { type } = req.query;
+
+  const serviceProxyHandler = serviceProxyHandlers[type];
+
+  if (serviceProxyHandler) {
+    return serviceProxyHandler(req, res);
+  }
+
+  res.status(403).json({ error: "Unkown proxy service type" });
+}