From 248f4a21d4db90bfeffa0bf33a1f6359627cb058 Mon Sep 17 00:00:00 2001
From: "DESKTOP-KSVGT20\\shkim" <crossflex682@gmail.com>
Date: Sat, 2 May 2026 00:28:50 +0900
Subject: [PATCH] Use Tampermonkey requests for Suno WAV checks

---
 chatgpt-suno-tampermonkey.user.js | 92 ++++++++++++++++++++++++++-----
 1 file changed, 77 insertions(+), 15 deletions(-)

diff --git a/chatgpt-suno-tampermonkey.user.js b/chatgpt-suno-tampermonkey.user.js
index 53d91bf..a13c672 100644
--- a/chatgpt-suno-tampermonkey.user.js
+++ b/chatgpt-suno-tampermonkey.user.js
@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         ChatGPT to Suno Prompt Copier
 // @namespace    local.suno-helper
-// @version      0.7.6
+// @version      0.7.7
 // @description  Copy structured ChatGPT song prompt versions into Suno fields.
 // @author       local
 // @match        https://chatgpt.com/*
@@ -19,6 +19,7 @@
 // @grant        GM_addStyle
 // @grant        GM_getValue
 // @grant        GM_download
+// @grant        GM_xmlhttpRequest
 // @grant        GM_setClipboard
 // @grant        GM_setValue
 // @grant        unsafeWindow
@@ -27,7 +28,7 @@
 (function () {
   "use strict";
 
-  const SCRIPT_VERSION = "0.7.6";
+  const SCRIPT_VERSION = "0.7.7";
   const STORAGE_KEY = "chatgptSunoPromptSlots";
   const SLOT_COUNT = 2;
   const isChatGPT = location.hostname.includes("chatgpt.com") || location.hostname.includes("chat.openai.com");
@@ -817,20 +818,10 @@
   }
 
   async function callSunoJson(url, options = {}) {
-    const page = typeof unsafeWindow !== "undefined" ? unsafeWindow : window;
-    const response = await page.fetch(url, {
-      credentials: "include",
-      ...options,
-      headers: {
-        "accept": "application/json, text/plain, */*",
-        ...(options.method && options.method !== "GET" ? { "content-type": "application/json" } : {}),
-        ...(options.headers || {}),
-      },
-    });
-    const finalUrl = response.url || url;
-    const finalWavUrl = extractWavUrl(finalUrl);
+    const response = await callSunoText(url, options);
+    const finalWavUrl = extractWavUrl(response.finalUrl || url);
     if (response.ok && finalWavUrl) return finalWavUrl;
-    const text = await response.text();
+    const text = response.text || "";
     const data = tryParseJson(text) || text;
     rememberSunoResponse(url, data);
     if (!response.ok) {
@@ -839,6 +830,66 @@
     return data;
   }
 
+  async function callSunoText(url, options = {}) {
+    const page = typeof unsafeWindow !== "undefined" ? unsafeWindow : window;
+    const headers = {
+      "accept": "application/json, text/plain, */*",
+      ...(options.method && options.method !== "GET" && options.method !== "HEAD" ? { "content-type": "application/json" } : {}),
+      ...(options.headers || {}),
+    };
+    try {
+      const response = await page.fetch(url, {
+        credentials: "include",
+        ...options,
+        headers,
+      });
+      const finalUrl = response.url || url;
+      if (response.ok && extractWavUrl(finalUrl)) {
+        return {
+          ok: true,
+          status: response.status,
+          statusText: response.statusText,
+          finalUrl,
+          text: "",
+        };
+      }
+      return {
+        ok: response.ok,
+        status: response.status,
+        statusText: response.statusText,
+        finalUrl,
+        text: await response.text(),
+      };
+    } catch (fetchError) {
+      if (typeof GM_xmlhttpRequest !== "function") throw fetchError;
+      return callTampermonkeyRequest(url, { ...options, headers });
+    }
+  }
+
+  function callTampermonkeyRequest(url, options = {}) {
+    return new Promise((resolve, reject) => {
+      GM_xmlhttpRequest({
+        method: options.method || "GET",
+        url,
+        headers: options.headers || {},
+        data: options.body,
+        anonymous: false,
+        timeout: 45000,
+        onload: (response) => {
+          resolve({
+            ok: response.status >= 200 && response.status < 300,
+            status: response.status,
+            statusText: response.statusText || "",
+            finalUrl: response.finalUrl || url,
+            text: response.responseText || "",
+          });
+        },
+        onerror: (error) => reject(new Error(error?.error || "GM_xmlhttpRequest failed")),
+        ontimeout: () => reject(new Error("GM_xmlhttpRequest timeout")),
+      });
+    });
+  }
+
   function extractWavUrl(value) {
     if (!value) return "";
     if (typeof value === "string") {
@@ -900,6 +951,17 @@
       } catch (error) {
         console.warn("[ChatGPT to Suno] URL probe failed", url, error);
       }
+      if (typeof GM_xmlhttpRequest === "function") {
+        try {
+          const response = await callTampermonkeyRequest(url, {
+            ...options,
+            headers: options.headers || {},
+          });
+          if (response.ok || response.status === 206) return true;
+        } catch (error) {
+          console.warn("[ChatGPT to Suno] GM URL probe failed", url, error);
+        }
+      }
     }
     return false;
   }