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* web: add artist credit to footer Signed-off-by: Xe Iaso <me@xeiaso.net> * v1.15.2 Signed-off-by: Xe Iaso <me@xeiaso.net> --------- Signed-off-by: Xe Iaso <me@xeiaso.net>
2 lines
3.6 KiB
JavaScript
2 lines
3.6 KiB
JavaScript
(()=>{function p(s,r=5,e=navigator.hardwareConcurrency||1){return console.debug("fast algo"),new Promise((t,n)=>{let o=URL.createObjectURL(new Blob(["(",S(),")()"],{type:"application/javascript"})),a=[];for(let i=0;i<e;i++){let c=new Worker(o);c.onmessage=d=>{a.forEach(m=>m.terminate()),c.terminate(),t(d.data)},c.onerror=d=>{c.terminate(),n()},c.postMessage({data:s,difficulty:r,nonce:i,threads:e}),a.push(c)}URL.revokeObjectURL(o)})}function S(){return function(){let s=e=>{let t=new TextEncoder().encode(e);return crypto.subtle.digest("SHA-256",t.buffer)};function r(e){return Array.from(e).map(t=>t.toString(16).padStart(2,"0")).join("")}addEventListener("message",async e=>{let t=e.data.data,n=e.data.difficulty,o,a=e.data.nonce,i=e.data.threads;for(;;){let c=await s(t+a),d=new Uint8Array(c),m=!0;for(let u=0;u<n;u++){let g=Math.floor(u/2),l=u%2;if((d[g]>>(l===0?4:0)&15)!==0){m=!1;break}}if(m){o=r(d),console.log(o);break}a+=i}postMessage({hash:o,data:t,difficulty:n,nonce:a})})}.toString()}function f(s,r=5,e=1){return console.debug("slow algo"),new Promise((t,n)=>{let o=URL.createObjectURL(new Blob(["(",L(),")()"],{type:"application/javascript"})),a=new Worker(o);a.onmessage=i=>{a.terminate(),t(i.data)},a.onerror=i=>{a.terminate(),n()},a.postMessage({data:s,difficulty:r}),URL.revokeObjectURL(o)})}function L(){return function(){let s=r=>{let e=new TextEncoder().encode(r);return crypto.subtle.digest("SHA-256",e.buffer).then(t=>Array.from(new Uint8Array(t)).map(n=>n.toString(16).padStart(2,"0")).join(""))};addEventListener("message",async r=>{let e=r.data.data,t=r.data.difficulty,n,o=0;do n=await s(e+o++);while(n.substring(0,t)!==Array(t+1).join("0"));o-=1,postMessage({hash:n,data:e,difficulty:t,nonce:o})})}.toString()}var T={fast:p,slow:f},y=(s="",r={})=>{let e=new URL(s,window.location.href);return Object.entries(r).forEach(t=>{let[n,o]=t;e.searchParams.set(n,o)}),e.toString()},h=(s,r)=>y(`/.within.website/x/cmd/anubis/static/img/${s}.webp`,{cacheBuster:r});(async()=>{let s=document.getElementById("status"),r=document.getElementById("image"),e=document.getElementById("title"),t=document.getElementById("spinner"),n=JSON.parse(document.getElementById("anubis_version").textContent),o=({titleMsg:l,statusMsg:w,imageSrc:b})=>{e.innerHTML=l,s.innerHTML=w,r.src=b,progress.style.display="none"};if(!window.isSecureContext){o({titleMsg:"Your context is not secure!",statusMsg:'Try connecting over HTTPS or let the admin know to set up HTTPS. For more information, see <a href="https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts#when_is_a_context_considered_secure">MDN</a>.',imageSrc:h("reject",n)});return}s.innerHTML="Calculating...";let{challenge:a,rules:i}=await fetch("/.within.website/x/cmd/anubis/api/make-challenge",{method:"POST"}).then(l=>{if(!l.ok)throw new Error("Failed to fetch config");return l.json()}).catch(l=>{throw o({titleMsg:"Internal error!",statusMsg:`Failed to fetch challenge config: ${l.message}`,imageSrc:h("reject",n)}),l}),c=T[i.algorithm];if(!c){o({titleMsg:"Challenge error!",statusMsg:"Failed to resolve check algorithm. You may want to reload the page.",imageSrc:h("reject",n)});return}s.innerHTML=`Calculating...<br/>Difficulty: ${i.report_as}`;let d=Date.now(),{hash:m,nonce:u}=await c(a,i.difficulty),g=Date.now();console.log({hash:m,nonce:u}),e.innerHTML="Success!",s.innerHTML=`Done! Took ${g-d}ms, ${u} iterations`,r.src=h("happy",n),t.innerHTML="",t.style.display="none",setTimeout(()=>{let l=window.location.href;window.location.href=y("/.within.website/x/cmd/anubis/api/pass-challenge",{response:m,nonce:u,redir:l,elapsedTime:g-d})},250)})();})();
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