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Update minified scripts

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This commit is contained in:
Thomas Lynch
2023-12-14 23:16:33 +11:00
parent b19bd19581
commit baba0518dd
2 changed files with 154 additions and 2 deletions
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154
src/js/auto.min.js vendored
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@ -1 +1,153 @@
if(!window._basedflareAuto){class BasedFlareAuto{constructor(cookieMinLife=600,maxFails=3){this.finished=false;this.workers=[];this.fails=0;this.cookieMinLife=cookieMinLife;this.maxFails=maxFails;this.timeout=null;this.scriptSrc="/.basedflare/js/argon2.min.js";this.checkCookie()}checkCookie=()=>{console.log('checkCookie');const powCookie=document.cookie.split("; ").find((row)=>row.startsWith("_basedflare_pow="));if(powCookie){const powCookieValue=powCookie.split("=")[1];const expiry=powCookieValue.split("#")[2];const remainingSecs=((expiry*1000)-Date.now())/1000;console.log('Basedflare cookie valid for',remainingSecs,'seconds');if(remainingSecs<=this.cookieMinLife){return this.doBotCheck()}this.timeout=setTimeout(this.checkCookie,Math.max(5000,Math.floor(((remainingSecs-this.cookieMinLife+(Math.random()*300))*1000))))}};includeScript=(scriptSrc)=>{console.log('includeScript');return new Promise((res)=>{const script=document.createElement("script");script.onload=()=>res();script.src=scriptSrc;document.head.appendChild(script)})};messageHandler=(e,json)=>{console.log('messageHandler');if(e.data.length===1){return}if(this.finished){return}this.workers.forEach((w)=>w.terminate());this.finished=true;const[_workerId,answer]=e.data;fetch("/.basedflare/bot-check",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:new URLSearchParams({"pow_response":`${json.ch }#${ answer }`}),redirect:"manual"}).then((res)=>{if(res.status>=400){this.fails+=1;console.error("basedflare post status >= 400",res)}}).catch((e)=>{console.error(e)}).finally(()=>{localStorage.removeItem('_basedflare-auto')})};checkRunning=()=>{console.log('checkRunning');const lastCheckTime=localStorage.getItem('_basedflare-auto');if(lastCheckTime){const lastCheckInt=parseInt(lastCheckTime);if(Date.now()-lastCheckInt<120){console.log('Already running recently');return true}}};doProofOfWork=async(json)=>{console.log('doProofOfWork');this.workers=[];this.finished=false;const[userkey,challenge,_expiry,_signature]=json.ch.split("#");const[mode,diff,argon_time,argon_kb]=json.pow.split("#");if(mode==="argon2"){if(!window.argon2){await this.includeScript(this.scriptSrc)}}const diffString="0".repeat(diff);const cpuThreads=window.navigator.hardwareConcurrency;const isTor=location.hostname.endsWith(".onion");const workerThreads=(isTor||cpuThreads===2)?cpuThreads:Math.max(Math.ceil(cpuThreads/2),cpuThreads-1);for(let i=0;i<workerThreads;i+=1){const powWorker=new Worker("/.basedflare/js/worker.min.js");powWorker.onmessage=(e)=>this.messageHandler(e,json);this.workers.push(powWorker);powWorker.postMessage([userkey,challenge,diff,diffString,{time:argon_time,mem:argon_kb,hashLen:32,parallelism:1,type:window.argon2?window.argon2.ArgonType.Argon2id:null,mode:mode},i,workerThreads])}};doBotCheck=async()=>{console.log('doBotCheck');if(this.checkRunning()){return}localStorage.setItem('_basedflare-auto',Date.now());try{const json=await fetch("/.basedflare/bot-check",{headers:{"accept":"application/json"}}).then(res=>res.json());if(!json||!json.ch){return}console.log('Basedflare challenge successfully fetched',json);if(json.ca){console.warn('Basedflare auto captcha not yet supported')}else{await this.doProofOfWork(json)}}catch(e){console.error(e);this.fails+=1}finally{if(this.fails<this.maxFails){this.timeout=setTimeout(this.checkCookie,30000)}}}}window._basedflareAuto=new BasedFlareAuto()}
if (!window._basedflareAuto) {
class BasedFlareAuto {
constructor(cookieMinLife = 600, maxFails = 3) {
this.finished = false;
this.workers = [];
this.fails = 0;
this.cookieMinLife = cookieMinLife;
this.maxFails = maxFails;
this.timeout = null;
this.scriptSrc = "/.basedflare/js/argon2.min.js";
this.checkCookie();
}
checkCookie = () => {
console.log("checkCookie");
const powCookie = document.cookie.split("; ").find((row) =>
row.startsWith("_basedflare_pow=")
);
if (powCookie) {
const powCookieValue = powCookie.split("=")[1];
const expiry = powCookieValue.split("#")[2];
const remainingSecs = ((expiry * 1000) - Date.now()) / 1000;
console.log("Basedflare cookie valid for", remainingSecs, "seconds");
if (remainingSecs <= this.cookieMinLife) return this.doBotCheck();
this.timeout = setTimeout(
this.checkCookie,
Math.max(
5000,
Math.floor(
(remainingSecs - this.cookieMinLife + (Math.random() * 300)) *
1000,
),
),
);
}
};
includeScript = (scriptSrc) => {
console.log("includeScript");
return new Promise((res) => {
const script = document.createElement("script");
script.onload = () => res();
script.src = scriptSrc;
document.head.appendChild(script);
});
};
clearCookiesForDomains = (domain) => {
const parts = domain.split(".");
for (let i = 0; i < parts.length - 1; i += 1) {
const subdomain = parts.slice(i).join(".");
document.cookie =
`_basedflare_pow=; Max-Age=-9999999; Path=/; Domain=.${subdomain}`;
document.cookie =
`_basedflare_captcha=; Max-Age=-9999999; Path=/; Domain=.${subdomain}`;
}
};
messageHandler = (e, json) => {
console.log("messageHandler");
if (e.data.length === 1) return;
if (this.finished) return;
this.workers.forEach((w) => w.terminate());
this.finished = true;
const [_workerId, answer] = e.data;
fetch("/.basedflare/bot-check", {
method: "POST",
headers: { "Content-Type": "application/x-www-form-urlencoded" },
body: new URLSearchParams({ "pow_response": `${json.ch}#${answer}` }),
redirect: "manual",
}).then((res) => {
if (res.status >= 400 && res.status < 500) {
clearCookiesForDomain(location.hostname);
console.error("Server rejected your submission.");
} else if (res.status >= 500) {
console.error("Server encountered an error.");
}
this.fails += 1;
}).catch((e) => {
console.error(e);
}).finally(() => {
localStorage.removeItem("_basedflare-auto");
});
};
checkRunning = () => {
console.log("checkRunning");
const lastCheckTime = localStorage.getItem("_basedflare-auto");
if (lastCheckTime) {
const lastCheckInt = parseInt(lastCheckTime);
if (Date.now() - lastCheckInt < 120) {
console.log("Already running recently");
return true;
}
}
};
doProofOfWork = async (json) => {
console.log("doProofOfWork");
this.workers = [];
this.finished = false;
const [userkey, challenge, _expiry, _signature] = json.ch.split("#");
const [mode, diff, argon_time, argon_kb] = json.pow.split("#");
if (mode === "argon2") {
if (!window.argon2) await this.includeScript(this.scriptSrc);
}
const diffString = "0".repeat(diff);
const cpuThreads = window.navigator.hardwareConcurrency;
const isTor = location.hostname.endsWith(".onion");
const workerThreads = (isTor || cpuThreads === 2)
? cpuThreads
: Math.max(Math.ceil(cpuThreads / 2), cpuThreads - 1);
for (let i = 0; i < workerThreads; i += 1) {
const powWorker = new Worker("/.basedflare/js/worker.min.js");
powWorker.onmessage = (e) => this.messageHandler(e, json);
this.workers.push(powWorker);
powWorker.postMessage([
userkey,
challenge,
diff,
diffString,
{
time: argon_time,
mem: argon_kb,
hashLen: 32,
parallelism: 1,
type: window.argon2 ? window.argon2.ArgonType.Argon2id : null,
mode: mode,
},
i,
workerThreads,
]);
}
};
doBotCheck = async () => {
console.log("doBotCheck");
if (this.checkRunning()) return;
localStorage.setItem("_basedflare-auto", Date.now());
try {
const json = await fetch("/.basedflare/bot-check", {
headers: { "accept": "application/json" },
}).then((res) => res.json());
if (!json || !json.ch) return;
console.log("Basedflare challenge successfully fetched", json);
if (json.ca) console.warn("Basedflare auto captcha not yet supported");
else await this.doProofOfWork(json);
} catch (e) {
console.error(e);
this.fails += 1;
} finally {
if (this.fails < this.maxFails) {
this.timeout = setTimeout(this.checkCookie, 30000);
}
}
};
}
window._basedflareAuto = new BasedFlareAuto();
}

2
src/js/challenge.min.js vendored
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