diff --git a/js/promiseHelpers.js b/js/promiseHelpers.js deleted file mode 100644 index 4d46ec0..0000000 --- a/js/promiseHelpers.js +++ /dev/null @@ -1,17 +0,0 @@ -async function allSettledConcurrent(items, concurrency, fn) { - const results = new Array(items.length); - const queue = items.map((item, index) => ({ item, index })); - const doFn = async ({ item, index }) => { - try { - const value = await fn(item); - results[index] = { value, status: "fulfilled" }; - } catch (reason) { - results[index] = { reason, status: "rejected" }; - } - return queue.length && doFn(queue.shift()); - }; - const slots = queue.splice(0, concurrency).map(doFn); - await Promise.all(slots); - return results; -} -export { allSettledConcurrent }; diff --git a/js/wgHelpers.js b/js/wgHelpers.js deleted file mode 100644 index 6b2b0c9..0000000 --- a/js/wgHelpers.js +++ /dev/null @@ -1,184 +0,0 @@ -import { getRandomValues } from "node:crypto"; - -const clamp = (z) => { - z[31] = (z[31] & 127) | 64; - z[0] &= 248; -}; - -const generatePublicKey = (() => { - const gf = (init) => { - const r = new Float64Array(16); - if (init) { - for (let i = 0; i < init.length; ++i) { - r[i] = init[i]; - } - } - return r; - }; - - const carry = (o) => { - for (let i = 0; i < 16; ++i) { - o[(i + 1) % 16] += (i < 15 ? 1 : 38) * Math.floor(o[i] / 65536); - o[i] &= 0xffff; - } - }; - - const cswap = (p, q, b) => { - let t; - const c = ~(b - 1); - for (let i = 0; i < 16; ++i) { - t = c & (p[i] ^ q[i]); - p[i] ^= t; - q[i] ^= t; - } - }; - - const pack = (o, n) => { - let b; - const m = gf(); - const t = gf(); - for (let i = 0; i < 16; ++i) { - t[i] = n[i]; - } - carry(t); - carry(t); - carry(t); - for (let j = 0; j < 2; ++j) { - m[0] = t[0] - 0xffed; - for (let i = 1; i < 15; ++i) { - m[i] = t[i] - 0xffff - ((m[i - 1] >> 16) & 1); - m[i - 1] &= 0xffff; - } - m[15] = t[15] - 0x7fff - ((m[14] >> 16) & 1); - b = (m[15] >> 16) & 1; - m[14] &= 0xffff; - cswap(t, m, 1 - b); - } - for (let i = 0; i < 16; ++i) { - o[2 * i] = t[i] & 0xff; - o[2 * i + 1] = t[i] >> 8; - } - }; - - const add = (o, a, b) => { - for (let i = 0; i < 16; ++i) { - o[i] = (a[i] + b[i]) | 0; - } - }; - - const subtract = (o, a, b) => { - for (let i = 0; i < 16; ++i) { - o[i] = (a[i] - b[i]) | 0; - } - }; - - const multmod = (o, a, b) => { - const t = new Float64Array(31); - for (let i = 0; i < 16; ++i) { - for (let j = 0; j < 16; ++j) { - t[i + j] += a[i] * b[j]; - } - } - for (let i = 0; i < 15; ++i) { - t[i] += 38 * t[i + 16]; - } - for (let i = 0; i < 16; ++i) { - o[i] = t[i]; - } - carry(o); - carry(o); - }; - - const invert = (o, i) => { - const c = gf(); - for (let a = 0; a < 16; ++a) { - c[a] = i[a]; - } - for (let a = 253; a >= 0; --a) { - multmod(c, c, c); - if (a !== 2 && a !== 4) { - multmod(c, c, i); - } - } - for (let a = 0; a < 16; ++a) { - o[a] = c[a]; - } - }; - - const generatePublicKey = (privateKey) => { - let r; - const z = new Uint8Array(32); - const a = gf([1]); - const b = gf([9]); - const c = gf(); - const d = gf([1]); - const e = gf(); - const f = gf(); - const _121665 = gf([0xdb41, 1]); - const _9 = gf([9]); - for (let i = 0; i < 32; ++i) { - z[i] = privateKey[i]; - } - clamp(z); - for (let i = 254; i >= 0; --i) { - r = (z[i >>> 3] >>> (i & 7)) & 1; - cswap(a, b, r); - cswap(c, d, r); - add(e, a, c); - subtract(a, a, c); - add(c, b, d); - subtract(b, b, d); - multmod(d, e, e); - multmod(f, a, a); - multmod(a, c, a); - multmod(c, b, e); - add(e, a, c); - subtract(a, a, c); - multmod(b, a, a); - subtract(c, d, f); - multmod(a, c, _121665); - add(a, a, d); - multmod(c, c, a); - multmod(a, d, f); - multmod(d, b, _9); - multmod(b, e, e); - cswap(a, b, r); - cswap(c, d, r); - } - invert(c, c); - multmod(a, a, c); - pack(z, a); - return z; - }; - return generatePublicKey; -})(); -const generatePresharedKey = () => { - const privateKey = new Uint8Array(32); - getRandomValues(privateKey); - return privateKey; -}; - -const generatePrivateKey = () => { - const privateKey = generatePresharedKey(); - clamp(privateKey); - return privateKey; -}; - -const keyToBase64 = (key) => Buffer.from(key).toString("base64"); -const keyFromBase64 = (key) => Buffer.from(key, "base64"); - -const wireguard = { - presharedKey: () => keyToBase64(generatePresharedKey()), - privateKey: () => keyToBase64(generatePrivateKey()), - publicKey: (privateKey) => - keyToBase64(generatePublicKey(keyFromBase64(privateKey))), - generateKeypair: () => { - const privateKey = generatePrivateKey(); - const publicKey = generatePublicKey(privateKey); - return { - publicKey: keyToBase64(publicKey), - privateKey: keyToBase64(privateKey), - }; - }, -}; -export { wireguard };