penis

web/source/index.js

@@ -73,6 +73,24 @@ skulk({
 				["babelify", { global: true }]
 			],
 		},
+		nollamas: {
+			entryFile: "nollamas",
+			outputFile: "nollamas.js",
+			preset: ["js"],
+			prodCfg: prodCfg,
+			transform: [
+				["babelify", { global: true }]
+			],
+		},
+		nollamasworker: {
+			entryFile: "nollamasworker",
+			outputFile: "nollamasworker.js",
+			preset: ["js"],
+			prodCfg: prodCfg,
+			transform: [
+				["babelify", { global: true }]
+			],
+		},
 		settings: {
 			entryFile: "settings",
 			outputFile: "settings.js",

web/source/nollamas/index.js

@@ -0,0 +1,52 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+document.addEventListener('DOMContentLoaded', function() {
+	// Read the challenge and difficulty from
+	// data attributes on the nollamas section.
+	const nollamas = document.querySelector(".nollamas");
+	const challenge = nollamas.dataset.nollamasChallenge;
+	const difficulty = nollamas.dataset.nollamasDifficulty;
+	
+	console.log('challenge:', challenge);
+	console.log('difficulty:', difficulty);
+	
+	// Not sure what this is for. Kim help??
+	const jsOnlyElements = document.querySelectorAll('.hidden');
+	jsOnlyElements.forEach(el => {
+		el.classList.remove('hidden');
+	});
+
+	// Prepare the worker with task function.
+	const worker = new Worker("/assets/dist/nollamasworker.js");
+	worker.postMessage({
+		challenge: challenge,
+		difficulty: difficulty,
+	});
+
+	// Set the main worker function.
+	worker.onmessage = function (e) {
+		if (e.data.done) {
+			console.log('solution found for:', e.data.nonce);
+			let url = new URL(window.location.href);
+			url.searchParams.append('nollamas_solution', e.data.nonce);
+			window.location.href = url.toString();
+		}
+	};
+});

web/source/nollamasworker/index.js

@@ -0,0 +1,52 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+onmessage = async function(e) {
+	console.log('worker started');
+
+	const challenge = e.data.challenge;
+	const textEncoder = new TextEncoder();
+
+	// Get difficulty and generate the expected
+	// zero ASCII prefix to check for in hashes.
+	const difficultyStr = e.data.difficulty;
+	const difficulty = parseInt(difficultyStr, 10);
+	const zeroPrefix = '0'.repeat(difficulty);
+
+	let nonce = 0;
+	while (true) {
+		// Create possible solution string from challenge + nonce.
+		const solution = textEncoder.encode(challenge + nonce.toString());
+
+		// Generate SHA256 hashsum of solution string and hex encode the result.
+		const hashBuffer = await crypto.subtle.digest('SHA-256', solution);
+		const hashArray = Array.from(new Uint8Array(hashBuffer));
+		const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
+
+		// Check if the hex encoded hash has
+		// difficulty defined zeroes prefix.
+		if (hashHex.startsWith(zeroPrefix)) {
+			postMessage({ nonce: nonce, done: true });
+			break;
+		}
+
+		// Iter.
+		nonce++;
+	}
+};