ccxt
Version:
63 lines (60 loc) • 2.64 kB
JavaScript
// ----------------------------------------------------------------------------
// PLEASE DO NOT EDIT THIS FILE, IT IS GENERATED AND WILL BE OVERWRITTEN:
// https://github.com/ccxt/ccxt/blob/master/CONTRIBUTING.md#how-to-contribute-code
// EDIT THE CORRESPONDENT .ts FILE INSTEAD
import { JSEncrypt } from "../../static_dependencies/jsencrypt/JSEncrypt.js";
import { base16, utf8 } from '../../static_dependencies/scure-base/index.js';
import { urlencodeBase64, base16ToBinary, base64ToBinary, base64ToBase64Url } from './encode.js';
import { eddsa, hmac } from './crypto.js';
import { P256 } from '../../static_dependencies/noble-curves/p256.js';
import { ecdsa } from '../../base/functions/crypto.js';
import { ed25519 } from "../../static_dependencies/noble-curves/ed25519.js";
function rsa(request, secret, hash) {
const RSA = new JSEncrypt();
const digester = (input) => base16.encode(hash(input));
RSA.setPrivateKey(secret);
const name = (hash.create()).constructor.name.toLowerCase();
return RSA.sign(request, digester, name);
}
function jwt(request, secret, hash, isRSA = false, opts = {}) {
let alg = (isRSA ? 'RS' : 'HS') + (hash.outputLen * 8);
if (opts['alg']) {
alg = opts['alg'].toUpperCase();
}
const header = Object.assign({ 'alg': alg, 'typ': 'JWT' }, opts);
if (header['iat'] !== undefined) {
request['iat'] = header['iat'];
delete header['iat'];
}
const encodedHeader = urlencodeBase64(JSON.stringify(header));
const encodedData = urlencodeBase64(JSON.stringify(request));
let token = [encodedHeader, encodedData].join('.');
const algoType = alg.slice(0, 2);
let signature = undefined;
if (algoType === 'HS') {
signature = urlencodeBase64(hmac(token, secret, hash, 'binary'));
}
else if (isRSA || algoType === 'RS') {
signature = urlencodeBase64(base64ToBinary(rsa(token, utf8.encode(secret), hash)));
}
else if (algoType === 'ES') {
const signedHash = ecdsa(token, utf8.encode(secret), P256, hash);
const r = signedHash.r.padStart(64, '0');
const s = signedHash.s.padStart(64, '0');
signature = urlencodeBase64(base16ToBinary(r + s));
}
else if (algoType === 'ED') {
const base64str = eddsa(toHex(token), secret, ed25519);
// we need urlencoded64 not base64
signature = base64ToBase64Url(base64str);
}
return [token, signature].join('.');
}
function toHex(str) {
var result = '';
for (var i = 0; i < str.length; i++) {
result += str.charCodeAt(i).toString(16);
}
return result;
}
export { rsa, jwt };