classy-pay-core/lib/utils/hmac256AuthSigner.js

Shared tools used in ClassyPay-related projects

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CreateHMACSigner = void 0;
require('source-map-support').install();
const crypto = require("crypto");
const CreateHMACSigner = (service, token, secret) => {
    if (!service)
        throw Error('Hmac256AuthSigner config requires a service');
    if (!token)
        throw Error('Hmac256AuthSigner config requires a token');
    if (!secret)
        throw Error('Hmac256AuthSigner config requires a secret');
    return (method, path, contentType, body) => {
        const ts = Math.floor(new Date().getTime() / 1000);
        const bodyPart = body ? crypto.createHash('md5').update(body).digest('hex') : '';
        const message = `${method}\n${path}\n${(body ? contentType : '')}\n${ts}\n${bodyPart}`;
        const signature = crypto.createHmac('sha256', secret).update(message).digest('hex');
        return `${service} ts=${ts} token=${token} signature=${signature}`;
    };
};
exports.CreateHMACSigner = CreateHMACSigner;
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