mCaptcha/templates/widget/fetchPoWConfig.ts
2021-12-02 14:24:53 +05:30

39 lines
1.1 KiB
TypeScript

/*
* mCaptcha is a PoW based DoS protection software.
* This is the frontend web component of the mCaptcha system
* Copyright © 2021 Aravinth Manivnanan <realaravinth@batsense.net>.
*
* Use of this source code is governed by Apache 2.0 or MIT license.
* You shoud have received a copy of MIT and Apache 2.0 along with
* this program. If not, see <https://spdx.org/licenses/MIT.html> for
* MIT or <http://www.apache.org/licenses/LICENSE-2.0> for Apache.
*/
import genJsonPayload from "../utils/genJsonPayload";
import * as CONST from "./const";
import { PoWConfig } from "./types";
type GetConfigPayload = {
key: string;
};
/**
* fetch proof-of-work configuration
* @returns {PoWConfig} pow config
* */
export const fetchPoWConfig = async (): Promise<PoWConfig> => {
const payload: GetConfigPayload = {
key: CONST.sitekey(),
};
const res = await fetch(CONST.ROUTES.getConfig, genJsonPayload(payload));
if (res.ok) {
const config: PoWConfig = await res.json();
return config;
} else {
const err = await res.json();
throw new Error(err);
}
};
export default fetchPoWConfig;