anti-devtools-detector

Co-authored-by: Copilot <copilot@github.com>

metadata.user.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         M3U8 HLS Downloader
 // @namespace    http://tampermonkey.net/
-// @version      1.0.3
+// @version      1.0.4
 // @description  자동 탐지 및 다운로드: HLS(m3u8) 스트림의 세그먼트를 병합하여 단일 파일로 저장
 // @author       kyush
 // @match        *://*/*

package.json

@@ -1,6 +1,6 @@
 {
   "name": "m3u8-monkey-script",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "",
   "main": "index.js",
   "scripts": {

src/index.ts

@@ -295,42 +295,57 @@ function onStreamDetected(url: string, headers?: Record<string, string>): void {
 if (typeof window === 'undefined') {
   log.error('Script not running in a browser context');
 } else {
-  // Anti-devtool: debugger statement 차단
+  // Anti-devtool: devtools-detector 우회
+  // Source: https://greasyfork.org/en/scripts/456011-%E5%8F%8D-devtools-detector-%E5%8F%8D%E8%B0%83%E8%AF%95/code
+  // Targets: https://github.com/AEPKILL/devtools-detector
+  // Mechanism: Hooks Object.prototype.launch setter to intercept devtoolsDetector.launch.
+  // When the detector sets its launch method (containing '_detectLoopDelay'), it is
+  // replaced with a no-op that deletes the prototype-level launch and restores the
+  // original, preventing the debugger loop from executing.
   (function() {
-    const originalEval = window.eval;
-    window.eval = function(code: any) {
-      if (typeof code === 'string' && code.includes('debugger')) {
-        code = code.replace(/debugger/g, '');
-      }
-      return originalEval.call(window, code);
-    };
+    const noop = function() {};
 
-    const originalFunction = Function;
-    (window as any).Function = function(...args: any[]) {
-      if (args.length > 0) {
-        args[args.length - 1] = args[args.length - 1].replace(/debugger/g, '');
-      }
-      return originalFunction.apply(this, args);
-    };
-    (window as any).Function.prototype = originalFunction.prototype;
+    function disableLaunch(alt: () => void) {
+      log.info('anti-devtool: disabling devtoolsDetector.launch');
 
-    const originalLocation = Object.getOwnPropertyDescriptor(window, 'location');
-    let locationBlocked = false;
+      const map = new Map<any, any>();
 
-    window.addEventListener('beforeunload', function(e) {
-      if (locationBlocked) {
-        e.preventDefault();
+      const func = function() {
+        delete (Object as any).prototype.launch;
+        Object.getPrototypeOf(this).launch = alt;
+        this.launch();
+      };
+
+      Object.defineProperty(Object.prototype, 'launch', {
+        set(f: any) {
+          const checked = funcChecked(f);
+          map.set(this, checked ? func : f);
+          return true;
+        },
+        get() {
+          return getVal(this);
+
+          function getVal(obj: any): any {
+            return obj ? (map.has(obj) ? map.get(obj) : getVal(Object.getPrototypeOf(obj))) : undefined;
+          }
+        },
+        configurable: true,
+        enumerable: false,
+      });
+
+      function funcChecked(f: any): boolean {
+        if (f && typeof f.toString === 'function') {
+          const str = f.toString();
+          if (typeof str === 'string' && str.includes('_detectLoopDelay')) {
+            return true;
+          }
+        }
         return false;
       }
-    });
+    }
 
-    Object.defineProperty(window, 'location', {
-      get: function() { return originalLocation!.get!.call(window); },
-      set: function(val) {
-        locationBlocked = true;
-      },
-      configurable: true,
-    });
+    disableLaunch(noop);
+    log.info('anti-devtool: devtools-detector launch hook installed');
   })();
 
   log.info(`Script initialized in ${isTopFrame() ? 'top frame' : `iframe (${location.origin})`}`);