dc-management-sdk-js
Version:
Amplience Dynamic Content Management SDK
105 lines • 6.25 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.WebhookSignature = void 0;
/**
* Utility to help calculate webhook signatures
*/
var WebhookSignature = /** @class */ (function () {
function WebhookSignature() {
}
/**
* Calculates the signature for the provided webhook body and secret.
* If the same secret value held by Dynamic Content is used the signature will match the value sent as part of the notification.
* This can be used to verify the request was sent by a trusted party.
*
* @param body Raw response body bytes sent as part of the notification
* @param secret Shared secret value previously set in Dynamic Content
*/
WebhookSignature.calculate = function (body, secret) {
return __awaiter(this, void 0, void 0, function () {
var createHmac, hmac;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.resolve().then(function () { return __importStar(require('crypto')); })];
case 1:
createHmac = (_a.sent()).createHmac;
hmac = createHmac('sha256', secret);
hmac.update(body, 'utf8');
return [2 /*return*/, hmac.digest('base64')];
}
});
});
};
return WebhookSignature;
}());
exports.WebhookSignature = WebhookSignature;
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