(function(){ var w=window,d=document; // ── 1. 域名守卫（混淆域名，防止简单搜索替换） ── var _d=['freet','ool','hub','.or','g'].join(''); var _h=location.hostname; var _ok=_h===_d||_h==='loc'+'alhost'||_h==='127.'+'0.0.'+'1'||_h==='ww'+'w.'+_d; if(!_ok){ // 检测到非官方域名 — 可能在克隆站上运行 function _warn(){ d.title='Unauthorized Copy — Visit freetoolhub.org'; d.body.style.cssText='margin:0;padding:0'; d.body.innerHTML='

Unauthorized Copy Detected

This appears to be a pirated copy of FreeToolHub. The official website is '+_d+'.

Please visit the official site for the real, secure version of these tools.

'; } if(d.body){_warn();}else{d.addEventListener('DOMContentLoaded',_warn);} return; } // ── 2. 爬虫检测 — 爬虫跳过所有防拷贝逻辑，确保搜索引擎正常渲染 ── var ua=navigator.userAgent.toLowerCase(); var isBot=/bot|crawl|spider|slurp|baidu|bingbot|googlebot|yandex|duckduckbot|facebookexternalhit|twitterbot|linkedinbot|telegrambot|whatsapp|discordbot|claudebot|gptbot|chatgpt-user|ccbot|google-extended|perplexitybot|bytespider|anthropic-ai/.test(ua); if(isBot)return; // ── 3. 控制台版权警告 — 心理威慑 ── try{ console.log('%c⚠ Stop!','font-size:48px;font-weight:bold;color:#ef4444;background:#0f172a;padding:8px 16px;border-radius:4px'); console.log('%cThis is a proprietary application by FreeToolHub. Copying, cloning, or redistributing this code is strictly prohibited. © 2026 FreeToolHub — All rights reserved. Official site: https://'+_d,'font-size:13px;color:#94a3b8;line-height:1.6'); }catch(e){} // ── 4. 禁止右键菜单 ── d.addEventListener('contextmenu',function(e){e.preventDefault();},false); // ── 5. 禁止快捷键：Ctrl+U 查看源码 / Ctrl+S 保存 / Ctrl+Shift+I 开发者工具 / F12 ── d.addEventListener('keydown',function(e){ if(e.ctrlKey&&(e.key==='u'||e.key==='s'||e.key==='U'||e.key==='S')){e.preventDefault();return false;} if((e.ctrlKey&&e.shiftKey)&&(e.key==='I'||e.key==='i'||e.key==='J'||e.key==='j'||e.key==='C'||e.key==='c')){e.preventDefault();return false;} if(e.key==='F12'){e.preventDefault();return false;} },false); // ── 6. 禁止拖拽 ── d.addEventListener('dragstart',function(e){e.preventDefault();},false); // ── 7. 禁止复制/剪切（输入框和文本域除外） ── d.addEventListener('copy',function(e){ var t=e.target.tagName;if(t==='INPUT'||t==='TEXTAREA')return;e.preventDefault(); },false); d.addEventListener('cut',function(e){ var t=e.target.tagName;if(t==='INPUT'||t==='TEXTAREA')return;e.preventDefault(); },false); // ── 8. iframe 嵌套检测 ── if(w.top!==w.self){try{w.top.location.href;w.top.location=d.location.href;}catch(e){d.body.innerHTML='<'+'h1'+'>This content cannot be embedded.<'+'/h1'+'>';}} // ── 9. 内容完整性检查 — 每 10 秒验证版权信息是否被篡改 ── var _ic=0; setInterval(function(){ _ic++; if(_ic>720)return; // 2 小时后停止检查 var ft=d.querySelector('footer'); if(ft&&ft.textContent.indexOf('FreeToolHub')===-1){ w.location.reload(); } },10000); // ── 10. 开发者工具检测（轻量，仅警告） ── var _dt=false,_th=160; setInterval(function(){ var _ow=w.outerWidth-w.innerWidth>_th||w.outerHeight-w.innerHeight>_th; if(_ow&&!_dt){_dt=true;console.log('%c⚠ Developer Tools detected','color:#f59e0b;font-weight:bold;font-size:14px');console.log('%cUnauthorized inspection may violate our Terms of Service.','color:#94a3b8;font-size:12px');} else if(!_ow){_dt=false;} },2000); })();