feat(ping): ignore certificate error and show request duration (#3546)

packages/request-handler/src/ping.ts

@@ -0,0 +1,50 @@
+import dayjs from "dayjs";
+import duration from "dayjs/plugin/duration";
+import { fetch } from "undici";
+
+import { extractErrorMessage } from "@homarr/common";
+import { LoggingAgent } from "@homarr/common/server";
+import { logger } from "@homarr/log";
+
+import { createCachedWidgetRequestHandler } from "./lib/cached-widget-request-handler";
+
+dayjs.extend(duration);
+
+type PingResponse =
+  | {
+      statusCode: number;
+      durationMs: number;
+    }
+  | {
+      error: string;
+    };
+export const pingRequestHandler = createCachedWidgetRequestHandler<PingResponse, "app", { url: string }>({
+  queryKey: "pingResult",
+  widgetKind: "app",
+  async requestAsync(input) {
+    return await sendPingRequestAsync(input.url);
+  },
+  cacheDuration: dayjs.duration(1, "minute"),
+});
+
+const sendPingRequestAsync = async (url: string) => {
+  try {
+    const start = performance.now();
+    return await fetch(url, {
+      dispatcher: new LoggingAgent({
+        connect: {
+          rejectUnauthorized: false,
+        },
+      }),
+    }).then((response) => {
+      const end = performance.now();
+      logger.debug(`Ping request succeeded url="${url}" status="${response.status}" duration="${end - start}ms"`);
+      return { statusCode: response.status, durationMs: end - start };
+    });
+  } catch (error) {
+    logger.error(new Error(`Failed to send ping request to url="${url}"`, { cause: error }));
+    return {
+      error: extractErrorMessage(error),
+    };
+  }
+};