Enhancement: support qBittorrent apikey (#6791)

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

docs/widgets/services/qbittorrent.md

@@ -5,7 +5,9 @@ description: qBittorrent Widget Configuration
 
 Learn more about [qBittorrent](https://github.com/qbittorrent/qBittorrent).
 
-Uses the same username and password used to login from the web.
+Authenticate using the WebUI username and password or the API Key `(qBittorrent ≥ v5.2.0)`.
+
+API Key is located in `Options > WebUI > Authentication > API Key`.
 
 Allowed fields: `["leech", "download", "seed", "upload"]`.
 
@@ -15,6 +17,7 @@ widget:
   url: http://qbittorrent.host.or.ip
   username: username
   password: password
+  key: qbt_apikey # required if using API key instead of username/password
   enableLeechProgress: true # optional, defaults to false
   enableLeechSize: true # optional, defaults to false
 ```

src/widgets/qbittorrent/proxy.js

@@ -9,12 +9,18 @@ async function login(widget) {
   logger.debug("qBittorrent is rejecting the request, logging in.");
   const loginUrl = new URL(`${widget.url}/api/v2/auth/login`).toString();
   const loginBody = `username=${encodeURIComponent(widget.username)}&password=${encodeURIComponent(widget.password)}`;
+  const loginKey = `${widget.key}`;
   const loginParams = {
     method: "POST",
     headers: { "Content-Type": "application/x-www-form-urlencoded" },
-    body: loginBody,
   };
 
+  if (widget.key) {
+    loginParams.headers.Authorization = `Bearer ${loginKey}`;
+  } else if (widget.username && widget.password) {
+    loginParams.body = loginBody;
+  }
+
   const [status, contentType, data] = await httpProxy(loginUrl, loginParams);
   return [status, data];
 }

src/widgets/qbittorrent/proxy.test.js

@@ -83,4 +83,24 @@ describe("widgets/qbittorrent/proxy", () => {
     expect(res.statusCode).toBe(401);
     expect(res.body).toEqual(Buffer.from("Denied"));
   });
+
+  it("supports API keys by including them in the Authorization header and not the body", async () => {
+    getServiceWidget.mockResolvedValue({ url: "http://qb", key: "abc123" });
+
+    httpProxy
+      .mockResolvedValueOnce([403, "application/json", Buffer.from("nope")])
+      .mockResolvedValueOnce([200, "text/plain", Buffer.from("Ok.")])
+      .mockResolvedValueOnce([200, "application/json", Buffer.from("data")]);
+
+    const req = { query: { group: "g", service: "svc", endpoint: "torrents/info", index: "0" } };
+    const res = createMockRes();
+
+    await qbittorrentProxyHandler(req, res);
+
+    expect(httpProxy).toHaveBeenCalledTimes(3);
+    expect(httpProxy.mock.calls[1][0]).toBe("http://qb/api/v2/auth/login");
+    expect(httpProxy.mock.calls[1][1].headers.Authorization).toBe("Bearer abc123");
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toEqual(Buffer.from("data"));
+  });
 });