Add flood widget

src/widgets/flood/proxy.js

@@ -0,0 +1,61 @@
+import { formatApiCall } from "utils/proxy/api-helpers";
+import { httpProxy } from "utils/proxy/http";
+import getServiceWidget from "utils/config/service-helpers";
+import createLogger from "utils/logger";
+
+const logger = createLogger("floodProxyHandler");
+
+async function login(widget) {
+  logger.debug("flood is rejecting the request, logging in.");
+  const loginUrl = new URL(`${widget.url}/api/auth/authenticate`).toString();
+  const loginHeaders = {
+    "Accept-Encoding": "application/json"
+  };
+  if (widget.username && widget.password) {
+    loginHeaders.Authorization = `Basic ${Buffer.from(`${widget.username}:${widget.password}`).toString("base64")}`
+  }
+
+  const loginParams = { method: "POST", loginHeaders };
+
+  // eslint-disable-next-line no-unused-vars
+  const [status, contentType, data] = await httpProxy(loginUrl, loginParams);
+  return [status, data];
+}
+
+export default async function floodProxyHandler(req, res) {
+  const { group, service, endpoint } = 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);
+
+  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("{url}/api/{endpoint}", { endpoint, ...widget }));
+  const params = { method: "GET", headers: {} };
+
+  let [status, contentType, data] = await httpProxy(url, params);
+  if (status === 401) {
+    [status, data] = await login(widget);
+
+    if (status !== 200) {
+      logger.error("HTTP %d logging in to flood.  Data: %s", status, data);
+      return res.status(status).end(data);
+    }
+
+    [status, contentType, data] = await httpProxy(url, params);
+  }
+
+  if (status !== 200) {
+    logger.error("HTTP %d getting data from flood.  Data: %s", status, data);
+  }
+
+  if (contentType) res.setHeader("Content-Type", contentType);
+  return res.status(status).send(data);
+}