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Add and improve auto background solve

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This commit is contained in:
Thomas Lynch
2023-04-14 21:47:01 +10:00
parent 8523a87592
commit 493bfd88f9
3 changed files with 149 additions and 99 deletions
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238
src/js/auto.js
View File

@ -1,98 +1,148 @@
(() => { if (!window._basedflareAuto) {
const doBotCheck = async () => {
try { class BasedFlareAuto {
const json = await fetch("/.basedflare/bot-check", { headers: { "accept": "application/json" }})
.then(res => res.json()); constuctor(cookieMinLife=600, maxFails=3) {
if (json && json.ch) { this.finished = false;
if (json.ca) { this.workers = [];
// TODO: captcha popup this.fails = 0;
} else { this.cookieMinLife = cookieMinLife;
const [ userkey, challenge, _expiry, _signature ] = json.ch.split("#"); this.maxFails = maxFails;
const [ mode, diff, argon_time, argon_kb ] = json.pow.split("#"); this.timeout = null;
if (mode === "argon2") { this.scriptSrc = "/.basedflare/js/argon2.min.js";
if (!window.argon2) { this.checkCookie();
await new Promise((res) => { }
const script = document.createElement("script");
script.onload = () => res(); checkCookie() {
script.src = "/.basedflare/js/argon2.min.js"; const powCookie = document.cookie
document.head.appendChild(script); .split("; ")
}) .find((row) => row.startsWith("_basedflare_pow="));
} if (powCookie) {
} const powCookieValue = powCookie.split("=")[1];
console.log(json) const expiry = powCookieValue.split("#")[2];
const diffString = "0".repeat(diff); const remainingSecs = ((expiry*1000) - Date.now()) / 1000;
const cpuThreads = window.navigator.hardwareConcurrency; console.log('Basedflare cookie check, valid for', remainingSecs, 'seconds');
const isTor = location.hostname.endsWith(".onion"); if (remainingSecs <= this.cookieMinLife) {
const workerThreads = (isTor || cpuThreads === 2) ? cpuThreads : Math.max(Math.ceil(cpuThreads / 2), cpuThreads - 1); return this.doBotCheck();
const workers = []; }
let finished = false; this.timeout = setTimeout(this.checkCookie, Math.floor(((remainingSecs-this.cookieMinLife+(Math.random()*300))*1000)));
const messageHandler = (e) => { }
if (e.data.length === 1) { }
return console.log(e.data[0]);
} includeScript(scriptSrc) {
if (finished) return; return new Promise((res) => {
finished = true; const script = document.createElement("script");
workers.forEach((w) => w.terminate()); script.onload = () => res();
const [_workerId, answer] = e.data; script.src = scriptSrc;
fetch("/.basedflare/bot-check", { document.head.appendChild(script);
method: "POST", });
headers: { }
"Content-Type": "application/x-www-form-urlencoded",
}, messageHandler(e, json) {
body: new URLSearchParams({ if (e.data.length === 1) { return; }
"pow_response": `${json.ch}#${answer}`, if (this.finished) return;
}), this.finished = true;
redirect: "manual", this.workers.forEach((w) => w.terminate());
}).then((res) => { const [_workerId, answer] = e.data;
if (res.status >= 400) { fetch("/.basedflare/bot-check", {
console.error("basedflare post status >= 400", res); method: "POST",
} headers: {
}).catch((e) => { "Content-Type": "application/x-www-form-urlencoded",
console.error(e) },
}); body: new URLSearchParams({
}; "pow_response": `${json.ch}#${answer}`,
for (let i = 0; i < workerThreads; i++) { }),
const powWorker = new Worker("/.basedflare/js/worker.min.js"); redirect: "manual",
powWorker.onmessage = messageHandler; }).then((res) => {
workers.push(powWorker); if (res.status >= 400) {
powWorker.postMessage([ this.fails++;
userkey, console.error("basedflare post status >= 400", res);
challenge, }
diff, }).catch((e) => {
diffString, console.error(e)
{ });
time: argon_time, }
mem: argon_kb,
hashLen: 32, checkRunning() {
parallelism: 1, const lastCheckTime = localStorage.getItem('_basedflare-auto');
type: window.argon2 ? window.argon2.ArgonType.Argon2id : null, if (lastCheckTime) {
mode: mode, const lastCheckInt = parseInt(lastCheckTime);
}, if (Date.now() - lastCheckInt < 120) {
i, return true;
workerThreads, } //else its too old, we just continue
]); }
} }
async doProofOfWork(json) {
this.workers = [];
this.finished = true;
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);
} }
} }
} catch(e) { const diffString = "0".repeat(diff);
console.error(e); 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);
const cookieMinLife = 600; for (let i = 0; i < workerThreads; i++) {
const checkCookie = () => { const powWorker = new Worker("/.basedflare/js/worker.min.js");
const powCookie = document.cookie powWorker.onmessage = (e) => this.messageHandler(e, json);
.split("; ") this.workers.push(powWorker);
.find((row) => row.startsWith("_basedflare_pow=")); powWorker.postMessage([
if (powCookie) { userkey,
powCookieValue = powCookie.split("=")[1]; challenge,
const expiry = powCookieValue.split("#")[2]; diff,
const remainingSecs = ((expiry*1000) - Date.now()) / 1000; diffString,
console.log('Basedflare cookie check, valid for', remainingSecs, 'seconds'); {
if (remainingSecs < cookieMinLife) { time: argon_time,
return doBotCheck(); mem: argon_kb,
hashLen: 32,
parallelism: 1,
type: window.argon2 ? window.argon2.ArgonType.Argon2id : null,
mode: mode,
},
i,
workerThreads,
]);
} }
setTimeout(checkCookie, Math.floor(((remainingSecs-cookieMinLife-(Math.random()*300))*1000)));
} }
};
checkCookie(); async doBotCheck() {
})(); try {
if (this.checkRunning()) { return; }
localStorage.setItem('_basedflare-auto', Date.now());
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) {
// TODO: doCaptchaPopup();
console.warn('Basedflare auto captcha not yet supported');
} else {
this.doProofOfWork(json);
}
} catch(e) {
console.error(e);
this.fails++;
} finally {
localStorage.removeItem('_basedflare-auto');
if (this.fails < this.maxFails) {
this.timeout = setTimeout(this.checkCookie, 5000*this.fails);
}
}
}
}
window._basedflareAuto = new BasedFlareAuto();
}

2
src/js/auto.min.js vendored
View File

@ -1 +1 @@
(()=>{const doBotCheck=async()=>{try{const json=await fetch("/.basedflare/bot-check",{headers:{"accept":"application/json"}}).then(res=>res.json());if(json&&json.ch){if(json.ca){}else{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 new Promise((res)=>{const script=document.createElement("script");script.onload=()=>res();script.src="/.basedflare/js/argon2.min.js";document.head.appendChild(script)})}}console.log(json);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);const workers=[];let finished=false;const messageHandler=(e)=>{if(e.data.length===1){return console.log(e.data[0])}if(finished){return}finished=true;workers.forEach((w)=>w.terminate());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){console.error("basedflare post status >= 400",res)}}).catch((e)=>{console.error(e)})};for(let i=0;i<workerThreads;i+=1){const powWorker=new Worker("/.basedflare/js/worker.min.js");powWorker.onmessage=messageHandler;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])}}}}catch(e){console.error(e)}};const cookieMinLife=600;const checkCookie=()=>{const powCookie=document.cookie.split("; ").find((row)=>row.startsWith("_basedflare_pow="));if(powCookie){powCookieValue=powCookie.split("=")[1];const expiry=powCookieValue.split("#")[2];const remainingSecs=((expiry*1000)-Date.now())/1000;console.log('Basedflare cookie check, valid for',remainingSecs,'seconds');if(remainingSecs<cookieMinLife){return doBotCheck()}setTimeout(checkCookie,Math.floor(((remainingSecs-cookieMinLife-(Math.random()*300))*1000)))}};checkCookie()})(); if(!window._basedflareAuto){class BasedFlareAuto{constuctor(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(){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 check, valid for',remainingSecs,'seconds');if(remainingSecs<=this.cookieMinLife){return this.doBotCheck()}this.timeout=setTimeout(this.checkCookie,Math.floor(((remainingSecs-this.cookieMinLife+(Math.random()*300))*1000)))}}includeScript(scriptSrc){return new Promise((res)=>{const script=document.createElement("script");script.onload=()=>res();script.src=scriptSrc;document.head.appendChild(script)})}messageHandler(e,json){if(e.data.length===1){return}if(this.finished){return}this.finished=true;this.workers.forEach((w)=>w.terminate());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)})}checkRunning(){const lastCheckTime=localStorage.getItem('_basedflare-auto');if(lastCheckTime){const lastCheckInt=parseInt(lastCheckTime);if(Date.now()-lastCheckInt<120){return true}}}async doProofOfWork(json){this.workers=[];this.finished=true;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])}}async doBotCheck(){try{if(this.checkRunning()){return}localStorage.setItem('_basedflare-auto',Date.now());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{this.doProofOfWork(json)}}catch(e){console.error(e);this.fails+=1}finally{localStorage.removeItem('_basedflare-auto');if(this.fails<this.maxFails){this.timeout=setTimeout(this.checkCookie,5000*this.fails)}}}}window._basedflareAuto=new BasedFlareAuto()}

8
src/js/challenge.js
View File

@ -91,7 +91,7 @@ function postResponse(powResponse, captchaResponse) {
} else if (s >= 500) { } else if (s >= 500) {
return insertError("Server encountered an error."); return insertError("Server encountered an error.");
} }
window.localStorage.setItem("basedflare-redirect", Math.random()); window.localStorage.setItem("_basedflare-redirect", Math.random());
finishRedirect(); finishRedirect();
}).catch(() => { }).catch(() => {
insertError("Failed to send request to server."); insertError("Failed to send request to server.");
@ -114,7 +114,7 @@ const powFinished = new Promise((resolve) => {
workers.forEach((w) => w.terminate()); workers.forEach((w) => w.terminate());
}; };
const submitPow = (answer) => { const submitPow = (answer) => {
window.localStorage.setItem("basedflare-pow-response", answer); window.localStorage.setItem("_basedflare-pow-response", answer);
stopPow(); stopPow();
const dummyTime = 3500 - (Date.now() - start); const dummyTime = 3500 - (Date.now() - start);
window.setTimeout(() => { window.setTimeout(() => {
@ -135,14 +135,14 @@ const powFinished = new Promise((resolve) => {
} = } =
document.querySelector("[data-pow]").dataset; document.querySelector("[data-pow]").dataset;
window.addEventListener("storage", (event) => { window.addEventListener("storage", (event) => {
if (event.key === "basedflare-pow-response" && !finished) { if (event.key === "_basedflare-pow-response" && !finished) {
console.log("Got answer", event.newValue, "from storage event"); console.log("Got answer", event.newValue, "from storage event");
stopPow(); stopPow();
resolve({ resolve({
answer: event.newValue, answer: event.newValue,
localStorage: true localStorage: true
}); });
} else if (event.key === "basedflare-redirect") { } else if (event.key === "_basedflare-redirect") {
console.log("Redirecting, solved in another tab"); console.log("Redirecting, solved in another tab");
finishRedirect(); finishRedirect();
} }