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{
"version": 3,
"sources": ["../../js/proof-of-work.mjs", "../../js/main.mjs"],
"sourcesContent": ["// https://dev.to/ratmd/simple-proof-of-work-in-javascript-3kgm\n\nexport function process(data, difficulty = 5) {\n return new Promise((resolve, reject) => {\n let webWorkerURL = URL.createObjectURL(new Blob([\n '(', processTask(), ')()'\n ], { type: 'application/javascript' }));\n\n let worker = new Worker(webWorkerURL);\n\n worker.onmessage = (event) => {\n worker.terminate();\n resolve(event.data);\n };\n\n worker.onerror = (event) => {\n worker.terminate();\n reject();\n };\n\n worker.postMessage({\n data,\n difficulty\n });\n\n URL.revokeObjectURL(webWorkerURL);\n });\n}\n\nfunction processTask() {\n return function () {\n const sha256 = (text) => {\n const encoded = new TextEncoder().encode(text);\n return crypto.subtle.digest(\"SHA-256\", encoded.buffer).then((result) =>\n Array.from(new Uint8Array(result))\n .map((c) => c.toString(16).padStart(2, \"0\"))\n .join(\"\"),\n );\n };\n\n addEventListener('message', async (event) => {\n let data = event.data.data;\n let difficulty = event.data.difficulty;\n\n let hash;\n let nonce = 0;\n do {\n hash = await sha256(data + nonce++);\n } while (hash.substring(0, difficulty) !== Array(difficulty + 1).join('0'));\n\n nonce -= 1; // last nonce was post-incremented\n\n postMessage({\n hash,\n data,\n difficulty,\n nonce,\n });\n });\n }.toString();\n}\n\n", "import { process } from './proof-of-work.mjs';\nimport { testVideo } from './video.mjs';\n\n// from Xeact\nconst u = (url = \"\", params = {}) => {\n let result = new URL(url, window.location.href);\n Object.entries(params).forEach((kv) => {\n let [k, v] = kv;\n result.searchParams.set(k, v);\n });\n return result.toString();\n};\n\nconst imageURL = (mood) => {\n return `/.within.website/x/cmd/anubis/static/img/${mood}.webp`;\n};\n\n(async () => {\n const status = document.getElementById('status');\n const image = document.getElementById('image');\n const title = document.getElementById('title');\n const spinner = document.getElementById('spinner');\n // const testarea = document.getElementById('testarea');\n\n // const videoWorks = await testVideo(testarea);\n // console.log(`videoWorks: ${videoWorks}`);\n\n // if (!videoWorks) {\n // title.innerHTML = \"Oh no!\";\n // status.innerHTML = \"Checks failed. Please check your browser's settings and try again.\";\n // image.src = imageURL(\"sad\");\n // spinner.innerHTML = \"\";\n // spinner.style.display = \"none\";\n // return;\n // }\n\n status.innerHTML = 'Calculating...';\n\n const { challenge, difficulty } = await fetch(\"/.within.website/x/cmd/anubis/api/make-challenge\", { method: \"POST\" })\n .then(r => {\n if (!r.ok) {\n throw new Error(\"Failed to fetch config\");\n }\n return r.json();\n })\n .catch(err => {\n title.innerHTML = \"Oh no!\";\n status.innerHTML = `Failed to fetch config: ${err.message}`;\n image.src = imageURL(\"sad\");\n spinner.innerHTML = \"\";\n spinner.style.display = \"none\";\n throw err;\n });\n\n status.innerHTML = `Calculating...<br/>Difficulty: ${difficulty}`;\n\n const t0 = Date.now();\n const { hash, nonce } = await process(challenge, difficulty);\n const t1 = Date.now();\n\n title.innerHTML = \"Success!\";\n status.innerHTML = `Done! Took ${t1 - t0}ms, ${nonce} iterations`;\n image.src = imageURL(\"happy\");\n spinner.innerHTML = \"\";\n spinner.style.display = \"none\";\n\n setTimeout(() => {\n const redir = window.location.href;\n window.location.href = u(\"/.within.website/x/cmd/anubis/api/pass-challenge\", { response: hash, nonce, redir, elapsedTime: t1 - t0 });\n }, 2000);\n})();"],
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"names": ["process", "data", "difficulty", "resolve", "reject", "webWorkerURL", "processTask", "worker", "event", "sha256", "text", "encoded", "result", "c", "hash", "nonce", "u", "url", "params", "result", "kv", "k", "v", "imageURL", "mood", "status", "image", "title", "spinner", "challenge", "difficulty", "r", "err", "t0", "hash", "nonce", "process", "t1", "redir"]
}
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