first commit

scripts/devtools-debugger-probe.cjs

@@ -0,0 +1,19 @@
+'use strict';
+if(!process.versions.electron){const {spawnSync}=require('node:child_process');const env={...process.env};delete env.ELECTRON_RUN_AS_NODE;const r=spawnSync(require('electron'),[__filename],{env,stdio:'inherit',windowsHide:true,timeout:20000});process.exit(r.status??1);}
+else{
+ const {app,BrowserWindow,WebContentsView,clipboard,ClipboardItem}=require('electron');const {attachPageClipboardGuard,disposePageClipboardGuard}=require('../apps/browser/page-clipboard-guard.cjs');
+ app.enableSandbox();app.disableHardwareAcceleration();
+ app.whenReady().then(async()=>{let win,view,original;try{
+  win=new BrowserWindow({show:false});view=new WebContentsView({webPreferences:{sandbox:true,contextIsolation:true,nodeIntegration:false}});win.contentView.addChildView(view);await view.webContents.loadURL('about:blank');
+  let failed=false;await attachPageClipboardGuard(view.webContents,()=>{failed=true;});
+  await new Promise(resolve=>{view.webContents.once('devtools-opened',resolve);view.webContents.openDevTools({mode:'detach',activate:false});});
+  await new Promise(r=>setTimeout(r,500));
+  original=[];for(const item of await clipboard.read()){const data={};for(const type of item.types)data[type]=await item.getType(type);if(Object.keys(data).length)original.push(new ClipboardItem(data));}
+  const sentinel='SYNTHETIC_DEVTOOLS_DLP_BYPASS_PROBE';await clipboard.writeText('Public probe sentinel');
+  const front=view.webContents.devToolsWebContents;
+  const host=await front.executeJavaScript(`(()=>{if(typeof InspectorFrontendHost==='undefined'||typeof InspectorFrontendHost.copyText!=='function')return false;InspectorFrontendHost.copyText(${JSON.stringify(sentinel)});return true;})()`);
+  await new Promise(r=>setTimeout(r,200));
+  const result={devToolsOpened:view.webContents.isDevToolsOpened(),privateDebuggerAttached:view.webContents.debugger.isAttached(),guardFailure:failed,nativeFrontendCopyAvailable:host,frontendCopyBypassesSiteGuard:await clipboard.readText()===sentinel};
+  require('node:fs').writeFileSync('artifacts/devtools-privilege-probe.json',JSON.stringify(result,null,2));console.log(JSON.stringify(result));
+ }catch(e){console.error(e.message);process.exitCode=1;}finally{if(original!==undefined)await clipboard.write(original);if(view&&!view.webContents.isDestroyed()){disposePageClipboardGuard(view.webContents);view.webContents.closeDevTools();view.webContents.close({waitForBeforeUnload:false});}win?.destroy();app.exit(process.exitCode||0);}});
+}