Send WebQuery action parameters as JSON instead of form data

studio.mjs

@@ -994,6 +994,7 @@ export function query(connection, command, params = {}, { signal } = {}) {
       command,
     );
   if (readOnly) address.search = form.toString();
+  const payload = readOnly ? null : Buffer.from(JSON.stringify(params), "utf8");
   return new Promise((resolve, reject) => {
     const req = (address.protocol === "https:" ? https : http).request(
       address,
@@ -1003,7 +1004,10 @@ export function query(connection, command, params = {}, { signal } = {}) {
         headers: {
           "x-api-key": connection.apiKey,
           ...(!readOnly
-            ? { "Content-Type": "application/x-www-form-urlencoded" }
+            ? {
+                "Content-Type": "application/json",
+                "Content-Length": payload.length,
+              }
             : {}),
         },
         timeout: 10000,
@@ -1058,7 +1062,7 @@ export function query(connection, command, params = {}, { signal } = {}) {
         ),
       ),
     );
-    if (!readOnly) req.write(form.toString());
+    if (payload) req.write(payload);
     req.end();
   });
 }

transport.test.mjs

@@ -4,7 +4,7 @@ import http from "node:http";
 import { query } from "./studio.mjs";
 import { httpRequest } from "./flow-steps.mjs";
 
-test("WebQuery uses authenticated GET and form POST, handles fragmented UTF-8 and server errors", async () => {
+test("WebQuery uses authenticated GET and JSON POST, handles fragmented UTF-8 and server errors", async () => {
   const requests = [];
   const server = http.createServer(async (req, res) => {
     const chunks = [];
@@ -13,10 +13,29 @@ test("WebQuery uses authenticated GET and form POST, handles fragmented UTF-8 an
       method: req.method,
       path: req.url,
       key: req.headers["x-api-key"],
+      contentType: req.headers["content-type"],
+      contentLength: req.headers["content-length"],
+      transferEncoding: req.headers["transfer-encoding"],
       body: Buffer.concat(chunks).toString(),
     });
     res.setHeader("Content-Type", "application/json");
     if (req.url.includes("channeledit")) {
+      let params;
+      try {
+        params = JSON.parse(Buffer.concat(chunks).toString());
+      } catch {}
+      if (
+        req.headers["content-type"] !== "application/json" ||
+        !params?.cid ||
+        typeof params.channel_description !== "string"
+      ) {
+        res.end(
+          JSON.stringify({
+            status: { code: 1538, message: "invalid parameter" },
+          }),
+        );
+        return;
+      }
       res.end(JSON.stringify({ status: { code: 0 }, body: [] }));
       return;
     }
@@ -48,7 +67,8 @@ test("WebQuery uses authenticated GET and form POST, handles fragmented UTF-8 an
   try {
     const result = await query(connection, "serverinfo");
     assert.equal(result[0].virtualserver_name, "Olá | Portugal");
-    const text = "Olá | linha\nmais = texto";
+    const text =
+      "[b]Informações do servidor[/b]\nOlá | linha\nmais = texto & + / \\ 🎵";
     await query(connection, "channeledit", {
       cid: 21,
       channel_description: text,
@@ -56,10 +76,17 @@ test("WebQuery uses authenticated GET and form POST, handles fragmented UTF-8 an
     assert.equal(requests[0].method, "GET");
     assert.equal(requests[0].key, "fixture-key");
     assert.equal(requests[1].method, "POST");
+    assert.equal(requests[1].key, "fixture-key");
+    assert.equal(requests[1].contentType, "application/json");
     assert.equal(
-      new URLSearchParams(requests[1].body).get("channel_description"),
-      text,
+      Number(requests[1].contentLength),
+      Buffer.byteLength(requests[1].body),
     );
+    assert.equal(requests[1].transferEncoding, undefined);
+    assert.deepEqual(JSON.parse(requests[1].body), {
+      cid: 21,
+      channel_description: text,
+    });
     await assert.rejects(
       () => query(connection, "clientkick", { clid: 1, reasonid: 5 }),
       /2568.*permissions/,