From 654b23a8bbdf08d1ee20f8f1afed3a0027b4b826 Mon Sep 17 00:00:00 2001
From: Brandon Keepers <brandon@opensoul.org>
Date: Thu, 22 Jan 2026 15:15:37 -0500
Subject: [PATCH] Add user-agent on all fetch requests

---
 packages/signalk-plugin/src/fetch.ts               | 14 ++++++++++++++
 packages/signalk-plugin/src/metadata.ts            |  1 +
 packages/signalk-plugin/src/reporters/noaa.ts      |  1 +
 packages/signalk-plugin/src/sources/history.ts     |  1 +
 .../signalk-plugin/test/reporters/noaa.test.ts     |  5 ++++-
 5 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 packages/signalk-plugin/src/fetch.ts

diff --git a/packages/signalk-plugin/src/fetch.ts b/packages/signalk-plugin/src/fetch.ts
new file mode 100644
index 0000000..656f8da
--- /dev/null
+++ b/packages/signalk-plugin/src/fetch.ts
@@ -0,0 +1,14 @@
+import pkg from "../package.json" with { type: "json" };
+
+/**
+ * Fetch wrapper that adds defaults like User-Agent header.
+ */
+export default function (url: string | URL, init: RequestInit = {}) {
+  return fetch(url, {
+    ...init,
+    headers: {
+      ...(init.headers || {}),
+      "User-Agent": `${pkg.name}/${pkg.version} (${pkg.homepage})`,
+    },
+  });
+}
diff --git a/packages/signalk-plugin/src/metadata.ts b/packages/signalk-plugin/src/metadata.ts
index 1b6a742..7e88152 100644
--- a/packages/signalk-plugin/src/metadata.ts
+++ b/packages/signalk-plugin/src/metadata.ts
@@ -2,6 +2,7 @@ import { ServerAPI } from "@signalk/server-api";
 import { readFile, writeFile } from "fs/promises";
 import { join } from "path";
 import { BATHY_URL } from "./constants.js";
+import fetch from "./fetch.js";
 
 export type Identity = {
   uuid: string;
diff --git a/packages/signalk-plugin/src/reporters/noaa.ts b/packages/signalk-plugin/src/reporters/noaa.ts
index 8c8a046..2292611 100644
--- a/packages/signalk-plugin/src/reporters/noaa.ts
+++ b/packages/signalk-plugin/src/reporters/noaa.ts
@@ -10,6 +10,7 @@ import {
 } from "../streams/index.js";
 import chain from "stream-chain";
 import createDebug from "debug";
+import fetch from "../fetch.js";
 
 const debug = createDebug("crowd-depth:noaa");
 
diff --git a/packages/signalk-plugin/src/sources/history.ts b/packages/signalk-plugin/src/sources/history.ts
index 5e02907..88d8be8 100644
--- a/packages/signalk-plugin/src/sources/history.ts
+++ b/packages/signalk-plugin/src/sources/history.ts
@@ -13,6 +13,7 @@ import {
 } from "@signalk/server-api/history";
 import { Temporal } from "@js-temporal/polyfill";
 import { BATHY_EPOCH } from "../constants.js";
+import fetch from "../fetch.js";
 
 export async function createHistorySource(
   app: ServerAPI,
diff --git a/packages/signalk-plugin/test/reporters/noaa.test.ts b/packages/signalk-plugin/test/reporters/noaa.test.ts
index 2cd0d69..9d6922d 100644
--- a/packages/signalk-plugin/test/reporters/noaa.test.ts
+++ b/packages/signalk-plugin/test/reporters/noaa.test.ts
@@ -46,7 +46,10 @@ const data: BathymetryData[] = [
 
 describe("submitGeoJSON", () => {
   test("success", async () => {
-    const scope = nock(BATHY_URL).post("/geojson").reply(200, SUCCESS_RESPONSE);
+    const scope = nock(BATHY_URL)
+      .post("/geojson")
+      .matchHeader("user-agent", /^crowd-depth/)
+      .reply(200, SUCCESS_RESPONSE);
     const res = await submitGeoJSON(
       BATHY_URL,
       config,