Feature: dockhand service widget (#6229)

src/widgets/dockhand/proxy.js

@@ -0,0 +1,70 @@
+import getServiceWidget from "utils/config/service-helpers";
+import createLogger from "utils/logger";
+import { formatApiCall, sanitizeErrorURL } from "utils/proxy/api-helpers";
+import { httpProxy } from "utils/proxy/http";
+import widgets from "widgets/widgets";
+
+const logger = createLogger("dockhandProxyHandler");
+
+async function login(widget) {
+  if (!widget.username || !widget.password) return false;
+
+  const baseUrl = widget.url?.replace(/\/+$/, "");
+  const [status] = await httpProxy(`${baseUrl}/api/auth/login`, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({ username: widget.username, password: widget.password }),
+  });
+
+  return status === 200;
+}
+
+export default async function dockhandProxyHandler(req, res) {
+  const { group, service, endpoint, index } = req.query;
+
+  if (!group || !service) {
+    logger.debug("Invalid or missing service '%s' or group '%s'", service, group);
+    return res.status(400).json({ error: "Invalid proxy service type" });
+  }
+
+  const widget = await getServiceWidget(group, service, index);
+
+  if (!widget) {
+    logger.debug("Invalid or missing widget for service '%s' in group '%s'", service, group);
+    return res.status(400).json({ error: "Invalid proxy service type" });
+  }
+
+  const url = new URL(formatApiCall(widgets[widget.type].api, { endpoint, ...widget }));
+
+  let [status, contentType, data] = await httpProxy(url, {
+    method: req.method,
+  });
+
+  // Attempt login and retrying once
+  if (status === 401) {
+    const loggedIn = await login(widget);
+    if (loggedIn) {
+      [status, contentType, data] = await httpProxy(url, {
+        method: req.method,
+      });
+    }
+  }
+
+  let resultData = data;
+
+  if (status >= 400) {
+    logger.error("HTTP Error %d calling %s", status, url.toString());
+    return res.status(status).json({
+      error: {
+        message: "HTTP Error",
+        url: sanitizeErrorURL(url),
+        data: Buffer.isBuffer(resultData) ? Buffer.from(resultData).toString() : resultData,
+      },
+    });
+  }
+
+  if (contentType) res.setHeader("Content-Type", contentType);
+  return res.status(status).send(resultData);
+}