| export const config = { runtime: 'edge' }; |
|
|
| function parseFlag(value, fallback = '1') { |
| if (value === '0' || value === '1') return value; |
| return fallback; |
| } |
|
|
| function sanitizeVideoId(value) { |
| if (typeof value !== 'string') return null; |
| return /^[A-Za-z0-9_-]{11}$/.test(value) ? value : null; |
| } |
|
|
| const ALLOWED_ORIGINS = [ |
| /^https:\/\/(.*\.)?worldmonitor\.app$/, |
| /^https:\/\/worldmonitor-[a-z0-9-]+-elie-habib-projects\.vercel\.app$/, |
| /^https:\/\/worldmonitor-[a-z0-9-]+\.vercel\.app$/, |
| /^https?:\/\/localhost(:\d+)?$/, |
| /^https?:\/\/127\.0\.0\.1(:\d+)?$/, |
| /^tauri:\/\/localhost$/, |
| ]; |
|
|
| const ALLOWED_PARENT_ORIGINS = [ |
| ...ALLOWED_ORIGINS, |
| |
| /^https?:\/\/tauri\.localhost$/, |
| /^https?:\/\/[a-z0-9-]+\.tauri\.localhost$/, |
| ]; |
|
|
| function sanitizeAllowedOrigin(raw, fallback, allowList = ALLOWED_ORIGINS) { |
| if (!raw) return fallback; |
| try { |
| const parsed = new URL(raw); |
| if (!['https:', 'http:', 'tauri:'].includes(parsed.protocol)) { |
| return fallback; |
| } |
| const origin = parsed.origin !== 'null' ? parsed.origin : raw; |
| if (allowList.some(p => p.test(origin))) return origin; |
| } catch { } |
| return fallback; |
| } |
|
|
| function sanitizeOrigin(raw) { |
| return sanitizeAllowedOrigin(raw, 'https://worldmonitor.app', ALLOWED_ORIGINS); |
| } |
|
|
| function sanitizeParentOrigin(raw, fallback) { |
| return sanitizeAllowedOrigin(raw, fallback, ALLOWED_PARENT_ORIGINS); |
| } |
|
|
| export default async function handler(request) { |
| const url = new URL(request.url); |
| const videoId = sanitizeVideoId(url.searchParams.get('videoId')); |
|
|
| if (!videoId) { |
| return new Response('Missing or invalid videoId', { |
| status: 400, |
| headers: { 'content-type': 'text/plain; charset=utf-8' }, |
| }); |
| } |
|
|
| const autoplay = parseFlag(url.searchParams.get('autoplay'), '1'); |
| const mute = parseFlag(url.searchParams.get('mute'), '1'); |
| const vq = ['small', 'medium', 'large', 'hd720', 'hd1080'].includes(url.searchParams.get('vq') || '') ? url.searchParams.get('vq') : ''; |
|
|
| const origin = sanitizeOrigin(url.searchParams.get('origin')); |
| const parentOrigin = sanitizeParentOrigin(url.searchParams.get('parentOrigin'), origin); |
|
|
| const embedSrc = new URL(`https://www.youtube.com/embed/${videoId}`); |
| embedSrc.searchParams.set('autoplay', autoplay); |
| embedSrc.searchParams.set('mute', mute); |
| embedSrc.searchParams.set('playsinline', '1'); |
| embedSrc.searchParams.set('rel', '0'); |
| embedSrc.searchParams.set('controls', '1'); |
| embedSrc.searchParams.set('enablejsapi', '1'); |
| embedSrc.searchParams.set('origin', origin); |
| embedSrc.searchParams.set('widget_referrer', origin); |
|
|
| const html = `<!doctype html> |
| <html lang="en"> |
| <head> |
| <meta charset="utf-8" /> |
| <meta name="viewport" content="width=device-width,initial-scale=1" /> |
| <meta name="referrer" content="strict-origin-when-cross-origin" /> |
| <style> |
| html,body{margin:0;padding:0;width:100%;height:100%;background:#000;overflow:hidden} |
| #player{width:100%;height:100%} |
| #play-overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;cursor:pointer;background:rgba(0,0,0,0.4)} |
| #play-overlay svg{width:72px;height:72px;opacity:0.9;filter:drop-shadow(0 2px 8px rgba(0,0,0,0.5))} |
| #play-overlay.hidden{display:none} |
| </style> |
| </head> |
| <body> |
| <div id="player"></div> |
| <div id="play-overlay"><svg viewBox="0 0 68 48"><path d="M66.52 7.74c-.78-2.93-2.49-5.41-5.42-6.19C55.79.13 34 0 34 0S12.21.13 6.9 1.55C3.97 2.33 2.27 4.81 1.48 7.74.06 13.05 0 24 0 24s.06 10.95 1.48 16.26c.78 2.93 2.49 5.41 5.42 6.19C12.21 47.87 34 48 34 48s21.79-.13 27.1-1.55c2.93-.78 4.64-3.26 5.42-6.19C67.94 34.95 68 24 68 24s-.06-10.95-1.48-16.26z" fill="red"/><path d="M45 24L27 14v20" fill="#fff"/></svg></div> |
| <script> |
| // Request unpartitioned cookie access so the YouTube player can use the |
| // user's cached YouTube session (bypasses bot-check for signed-in users). |
| // Most browsers require a user gesture; we try eagerly here (Chrome may |
| // grant it automatically if the user has visited youtube.com), then retry |
| // on the first overlay click as a gesture-gated fallback. |
| function tryStorageAccess() { |
| if (document.requestStorageAccess) { |
| document.requestStorageAccess().catch(function(){}); |
| } |
| } |
| tryStorageAccess(); |
| var tag=document.createElement('script'); |
| tag.src='https://www.youtube.com/iframe_api'; |
| document.head.appendChild(tag); |
| var player,overlay=document.getElementById('play-overlay'),started=false,muteSyncIntervalId,parentOrigin=${JSON.stringify(parentOrigin)},allowedOrigin=${JSON.stringify(parentOrigin)}; |
| function hideOverlay(){overlay.classList.add('hidden')} |
| function readMuted(){ |
| if(!player)return null; |
| if(typeof player.isMuted==='function')return player.isMuted(); |
| if(typeof player.getVolume==='function')return player.getVolume()===0; |
| return null; |
| } |
| function stopMuteSync(){if(muteSyncIntervalId){clearInterval(muteSyncIntervalId);muteSyncIntervalId=null}} |
| function startMuteSync(){ |
| if(muteSyncIntervalId)return; |
| var lastMuted=readMuted(); |
| if(lastMuted!==null)window.parent.postMessage({type:'yt-mute-state',muted:lastMuted},parentOrigin); |
| muteSyncIntervalId=setInterval(function(){ |
| var m=readMuted(); |
| if(m!==null&&m!==lastMuted){lastMuted=m;window.parent.postMessage({type:'yt-mute-state',muted:m},parentOrigin)} |
| },500); |
| } |
| function onYouTubeIframeAPIReady(){ |
| player=new YT.Player('player',{ |
| videoId:'${videoId}', |
| host:'https://www.youtube.com', |
| playerVars:{autoplay:${autoplay},mute:${mute},playsinline:1,rel:0,controls:1,modestbranding:1,enablejsapi:1,origin:${JSON.stringify(origin)},widget_referrer:${JSON.stringify(origin)}}, |
| events:{ |
| onReady:function(){ |
| window.parent.postMessage({type:'yt-ready'},parentOrigin); |
| ${vq ? `if(player.setPlaybackQuality)player.setPlaybackQuality('${vq}');` : ''} |
| if(${autoplay}===1){player.playVideo()} |
| startMuteSync(); |
| }, |
| onError:function(e){stopMuteSync();window.parent.postMessage({type:'yt-error',code:e.data},parentOrigin)}, |
| onStateChange:function(e){ |
| window.parent.postMessage({type:'yt-state',state:e.data},parentOrigin); |
| if(e.data===1||e.data===3){hideOverlay();started=true} |
| } |
| } |
| }); |
| } |
| overlay.addEventListener('click',function(){ |
| // Gesture-gated fallback: retry storage access on first user interaction, |
| // which satisfies browsers that require a gesture before granting access. |
| tryStorageAccess(); |
| if(player&&player.playVideo){player.playVideo();player.unMute();hideOverlay()} |
| }); |
| setTimeout(function(){if(!started)overlay.classList.remove('hidden')},3000); |
| window.addEventListener('message',function(e){ |
| if(allowedOrigin!=='*'&&e.origin!==allowedOrigin)return; |
| if(!player||!player.getPlayerState)return; |
| var m=e.data;if(!m||!m.type)return; |
| switch(m.type){ |
| case'play':player.playVideo();break; |
| case'pause':player.pauseVideo();break; |
| case'mute':player.mute();break; |
| case'unmute':player.unMute();break; |
| case'loadVideo':if(m.videoId)player.loadVideoById(m.videoId);break; |
| case'setQuality':if(m.quality&&player.setPlaybackQuality)player.setPlaybackQuality(m.quality);break; |
| } |
| }); |
| </script> |
| </body> |
| </html>`; |
|
|
| return new Response(html, { |
| status: 200, |
| headers: { |
| 'content-type': 'text/html; charset=utf-8', |
| 'cache-control': 'public, s-maxage=900, stale-while-revalidate=300', |
| |
| |
| |
| 'permissions-policy': 'storage-access=(self "https://www.youtube.com")', |
| }, |
| }); |
| } |
|
|