wip-webhook-helper/_commonjs/signatures/signature-helper.class.js

This utility helps with webhook notifications from Kentico Kontent

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var crypto_1 = require("crypto");
var SignatureHelper = /** @class */ (function () {
    function SignatureHelper() {
    }
    SignatureHelper.prototype.isValidSignatureFromString = function (jsonPayload, secret, signature) {
        return this.getHashFromString(jsonPayload, secret) === signature;
    };
    SignatureHelper.prototype.getHashFromString = function (jsonPayload, secret) {
        return crypto_1.createHmac('sha256', secret)
            .update(jsonPayload, 'utf8')
            .digest('base64');
    };
    SignatureHelper.prototype.replaceLinebreaks = function (data) {
        return data.replace(/[\r\n]+/gm, '\r\n');
    };
    return SignatureHelper;
}());
exports.SignatureHelper = SignatureHelper;
exports.signatureHelper = new SignatureHelper();
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