mirror of https://github.com/ViaVersion/VIAaaS.git
44 lines
3.3 KiB
JavaScript
44 lines
3.3 KiB
JavaScript
"use strict";
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importScripts("https://cdnjs.cloudflare.com/ajax/libs/js-sha512/0.8.0/sha512.min.js");
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let pending = [];
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self.addEventListener("message", e => {
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if (e.data.action === "listen_pow")
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startPoW(e);
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if (e.data.action === "cancel")
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removePending(e.data.id);
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});
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function removePending(id) {
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pending = pending.filter(it => it !== id);
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}
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function startPoW(e) {
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pending.push(e.data.id);
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listenPoW(e);
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}
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function isPending(id) {
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return pending.includes(id);
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}
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function listenPoW(e) {
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let user = e.data.user;
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let msg = null;
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let endTime = Date.now() + 1000;
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do {
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if (!isPending(e.data.id))
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return; // cancelled
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msg = JSON.stringify({
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action: "offline_login",
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username: user,
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date: Date.now() - e.data.deltaTime,
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rand: Math.random()
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});
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if (Date.now() >= endTime) {
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setTimeout(() => listenPoW(e));
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return;
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}
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} while (!sha512(msg).startsWith("00000"));
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setTimeout(() => {
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if (!isPending(e.data.id))
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return;
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postMessage({ id: e.data.id, action: "completed_pow", msg: msg });
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});
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}
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//# sourceMappingURL=data:application/json;base64,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