diff options
Diffstat (limited to 'web/source')
| -rw-r--r-- | web/source/.eslintignore | 1 | ||||
| -rw-r--r-- | web/source/css/nollamas.css | 30 | ||||
| -rw-r--r-- | web/source/index.js | 18 | ||||
| -rw-r--r-- | web/source/nollamas/index.js | 129 | ||||
| -rw-r--r-- | web/source/nollamasworker/index.js | 56 | ||||
| -rw-r--r-- | web/source/nollamasworker/sha256.js | 113 |
6 files changed, 0 insertions, 347 deletions
diff --git a/web/source/.eslintignore b/web/source/.eslintignore index 4ce4ebebe..ae325e9c8 100644 --- a/web/source/.eslintignore +++ b/web/source/.eslintignore @@ -1,4 +1,3 @@ node_modules prism.js prism.css -nollamasworker/sha256.js
\ No newline at end of file diff --git a/web/source/css/nollamas.css b/web/source/css/nollamas.css deleted file mode 100644 index 5fe861364..000000000 --- a/web/source/css/nollamas.css +++ /dev/null @@ -1,30 +0,0 @@ -/* - 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/>. -*/ - -.nollamas { - display: flex; - flex-direction: column; - - .nollamas-status { - display: flex; - flex-direction: column; - align-self: center; - align-items: center; - } -} diff --git a/web/source/index.js b/web/source/index.js index b9d608318..6a218cd08 100644 --- a/web/source/index.js +++ b/web/source/index.js @@ -73,24 +73,6 @@ 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", diff --git a/web/source/nollamas/index.js b/web/source/nollamas/index.js deleted file mode 100644 index b04a97c23..000000000 --- a/web/source/nollamas/index.js +++ /dev/null @@ -1,129 +0,0 @@ -/* - 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/>. -*/ - -const explanation = "Your browser is currently solving a proof-of-work challenge designed to deter \"ai\" scrapers. This should take no more than a few seconds..."; - -document.addEventListener("DOMContentLoaded", function() { - // Get the nollamas section container. - const nollamas = document.querySelector(".nollamas"); - - // Add some "loading" text to show that - // a proof-of-work captcha is being done. - const p = this.createElement("p"); - p.className = "nollamas-explanation"; - p.appendChild(document.createTextNode(explanation)); - nollamas.appendChild(p); - - // Add a loading spinner, but only - // animate it if motion is allowed. - const spinner = document.createElement("i"); - spinner.className = "fa fa-spinner fa-2x fa-fw nollamas-status"; - if (!window.matchMedia('(prefers-reduced-motion: reduce)').matches) { - spinner.className += " fa-pulse"; - } - spinner.setAttribute("title","Solving..."); - spinner.setAttribute("aria-label", "Solving"); - nollamas.appendChild(spinner); - - // Read the challenge and difficulty from - // data attributes on the nollamas section. - const seed = nollamas.dataset.nollamasSeed; - const challenge = nollamas.dataset.nollamasChallenge; - const threads = navigator.hardwareConcurrency; - if (typeof(threads) != "number" || threads < 1) { threads = 1; } - - console.log("seed:", seed); // eslint-disable-line no-console - console.log("challenge:", challenge); // eslint-disable-line no-console - console.log("threads:", threads); // eslint-disable-line no-console - - // Create an array to track - // all workers such that we - // can terminate them all. - const workers = []; - const terminateAll = () => { workers.forEach((worker) => worker.terminate() ); }; - - // Get time before task completion. - const startTime = performance.now(); - - // Prepare and start each worker, - // adding them to the workers array. - for (let i = 0; i < threads; i++) { - const worker = new Worker("/assets/dist/nollamasworker.js"); - workers.push(worker); - - // On any error terminate. - worker.onerror = (ev) => { - console.error("worker error:", ev); // eslint-disable-line no-console - terminateAll(); - }; - - // Post worker message, where each - // worker will compute nonces in range: - // $threadNumber + $totalThreads * n - worker.postMessage({ - challenge: challenge, - threads: threads, - thread: i, - seed: seed, - }); - - // Set main on-success function. - worker.onmessage = function (e) { - if (e.data.done) { - // Stop workers. - terminateAll(); - - // Log which thread found the solution. - console.log("solution from:", e.data.thread); // eslint-disable-line no-console - - // Get total computation duration. - const endTime = performance.now(); - const duration = endTime - startTime; - - // Remove spinner and replace it with a tick - // and info about how long it took to solve. - nollamas.removeChild(spinner); - const solutionWrapper = document.createElement("div"); - solutionWrapper.className = "nollamas-status"; - - const tick = document.createElement("i"); - tick.className = "fa fa-check fa-2x fa-fw"; - tick.setAttribute("title","Solved!"); - tick.setAttribute("aria-label", "Solved!"); - solutionWrapper.appendChild(tick); - - const took = document.createElement("span"); - const solvedText = `Solved after ${e.data.nonce} iterations by worker ${e.data.thread} of ${threads}, in ${duration.toString()}ms!`; - took.appendChild(document.createTextNode(solvedText)); - solutionWrapper.appendChild(took); - - nollamas.appendChild(solutionWrapper); - - // Wait for 500ms before redirecting, to give - // visitors a shot at reading the message, but - // not so long that they have to wait unduly. - setTimeout(() => { - let url = new URL(window.location.href); - url.searchParams.set("nollamas_solution", e.data.nonce); - window.location.replace(url.toString()); - }, 500); - } - }; - } -}); diff --git a/web/source/nollamasworker/index.js b/web/source/nollamasworker/index.js deleted file mode 100644 index 0a7711ce1..000000000 --- a/web/source/nollamasworker/index.js +++ /dev/null @@ -1,56 +0,0 @@ -/* - 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/>. -*/ - -import sha256 from "./sha256"; - -let compute = async function(seedStr, challengeStr, start, iter) { - const textEncoder = new TextEncoder(); - - let nonce = start; - while (true) { // eslint-disable-line no-constant-condition - - // Create possible solution string from challenge string + nonce. - const solution = textEncoder.encode(seedStr + nonce.toString()); - - // Generate hex encoded SHA256 hashsum of solution. - const hashArray = Array.from(sha256(solution)); - const hashAsHex = hashArray.map(b => b.toString(16).padStart(2, "0")).join(""); - - // Check whether hex encoded - // solution matches challenge. - if (hashAsHex == challengeStr) { - return nonce; - } - - // Iter nonce. - nonce += iter; - } -}; - -onmessage = async function(e) { - const thread = e.data.thread; - const threads = e.data.threads; - console.log("worker started:", thread); // eslint-disable-line no-console - - // Compute nonce value that produces 'challenge', for our allotted thread. - let nonce = await compute(e.data.seed, e.data.challenge, thread, threads); - - // Post the solution nonce back to caller with thread no. - postMessage({ nonce: nonce, done: true, thread: thread }); -}; diff --git a/web/source/nollamasworker/sha256.js b/web/source/nollamasworker/sha256.js deleted file mode 100644 index 553442d7c..000000000 --- a/web/source/nollamasworker/sha256.js +++ /dev/null @@ -1,113 +0,0 @@ -/* - Copyright 2022 Andrea Griffini - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -*/ - -// sha256(data) returns the digest of an input piece of data. -// sha256(none) returns an object you can call .add(data), and .digest() at the end. -// the returned digest is a 32-byte Uint8Array instance with an added .hex() function. -// input should be string (that will be encoded as UTF-8) or an array-like with values 0..255. -// source: https://github.com/6502/sha256 -export default function sha256(data) { - let h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, h3 = 0xa54ff53a, - h4 = 0x510e527f, h5 = 0x9b05688c, h6 = 0x1f83d9ab, h7 = 0x5be0cd19, - tsz = 0, bp = 0; - const k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, - 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, - 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, - 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, - 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, - 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, - 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, - 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2], - rrot = (x, n) => (x >>> n) | (x << (32-n)), - w = new Uint32Array(64), - buf = new Uint8Array(64), - process = () => { - for (let j=0,r=0; j<16; j++,r+=4) { - w[j] = (buf[r]<<24) | (buf[r+1]<<16) | (buf[r+2]<<8) | buf[r+3]; - } - for (let j=16; j<64; j++) { - let s0 = rrot(w[j-15], 7) ^ rrot(w[j-15], 18) ^ (w[j-15] >>> 3); - let s1 = rrot(w[j-2], 17) ^ rrot(w[j-2], 19) ^ (w[j-2] >>> 10); - w[j] = (w[j-16] + s0 + w[j-7] + s1) | 0; - } - let a = h0, b = h1, c = h2, d = h3, e = h4, f = h5, g = h6, h = h7; - for (let j=0; j<64; j++) { - let S1 = rrot(e, 6) ^ rrot(e, 11) ^ rrot(e, 25), - ch = (e & f) ^ ((~e) & g), - t1 = (h + S1 + ch + k[j] + w[j]) | 0, - S0 = rrot(a, 2) ^ rrot(a, 13) ^ rrot(a, 22), - maj = (a & b) ^ (a & c) ^ (b & c), - t2 = (S0 + maj) | 0; - h = g; g = f; f = e; e = (d + t1)|0; d = c; c = b; b = a; a = (t1 + t2)|0; - } - h0 = (h0 + a)|0; h1 = (h1 + b)|0; h2 = (h2 + c)|0; h3 = (h3 + d)|0; - h4 = (h4 + e)|0; h5 = (h5 + f)|0; h6 = (h6 + g)|0; h7 = (h7 + h)|0; - bp = 0; - }, - add = data => { - if (typeof data === "string") { - data = typeof TextEncoder === "undefined" ? Buffer.from(data) : (new TextEncoder).encode(data); - } - for (let i=0; i<data.length; i++) { - buf[bp++] = data[i]; - if (bp === 64) {process();} - } - tsz += data.length; - }, - digest = () => { - buf[bp++] = 0x80; if (bp == 64) {process();} - if (bp + 8 > 64) { - while (bp < 64) {buf[bp++] = 0x00;} - process(); - } - while (bp < 58) {buf[bp++] = 0x00;} - // Max number of bytes is 35,184,372,088,831 - let L = tsz * 8; - buf[bp++] = (L / 1099511627776.) & 255; - buf[bp++] = (L / 4294967296.) & 255; - buf[bp++] = L >>> 24; - buf[bp++] = (L >>> 16) & 255; - buf[bp++] = (L >>> 8) & 255; - buf[bp++] = L & 255; - process(); - let reply = new Uint8Array(32); - reply[ 0] = h0 >>> 24; reply[ 1] = (h0 >>> 16) & 255; reply[ 2] = (h0 >>> 8) & 255; reply[ 3] = h0 & 255; - reply[ 4] = h1 >>> 24; reply[ 5] = (h1 >>> 16) & 255; reply[ 6] = (h1 >>> 8) & 255; reply[ 7] = h1 & 255; - reply[ 8] = h2 >>> 24; reply[ 9] = (h2 >>> 16) & 255; reply[10] = (h2 >>> 8) & 255; reply[11] = h2 & 255; - reply[12] = h3 >>> 24; reply[13] = (h3 >>> 16) & 255; reply[14] = (h3 >>> 8) & 255; reply[15] = h3 & 255; - reply[16] = h4 >>> 24; reply[17] = (h4 >>> 16) & 255; reply[18] = (h4 >>> 8) & 255; reply[19] = h4 & 255; - reply[20] = h5 >>> 24; reply[21] = (h5 >>> 16) & 255; reply[22] = (h5 >>> 8) & 255; reply[23] = h5 & 255; - reply[24] = h6 >>> 24; reply[25] = (h6 >>> 16) & 255; reply[26] = (h6 >>> 8) & 255; reply[27] = h6 & 255; - reply[28] = h7 >>> 24; reply[29] = (h7 >>> 16) & 255; reply[30] = (h7 >>> 8) & 255; reply[31] = h7 & 255; - reply.hex = () => { - let res = ""; - reply.forEach(x => res += ("0" + x.toString(16)).slice(-2)); // eslint-disable-line no-return-assign - return res; - }; - return reply; - }; - if (data === undefined) {return {add, digest};} - add(data); - return digest(); -} |