67 lines
1.9 KiB
TypeScript
67 lines
1.9 KiB
TypeScript
/*
|
|
This file is part of GNU Taler
|
|
(C) 2021 Taler Systems S.A..
|
|
|
|
GNU Taler is free software; you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation; either version 3, or (at your option) any later version.
|
|
|
|
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
|
|
/**
|
|
* Imports.
|
|
*/
|
|
import {
|
|
canonicalizeBaseUrl,
|
|
Logger,
|
|
URL,
|
|
codecForMerchantConfigResponse,
|
|
LibtoolVersion,
|
|
} from "@gnu-taler/taler-util";
|
|
import { InternalWalletState, MerchantInfo } from "../common.js";
|
|
import { readSuccessResponseJsonOrThrow } from "../index.js";
|
|
|
|
const logger = new Logger("taler-wallet-core:merchants.ts");
|
|
|
|
export async function getMerchantInfo(
|
|
ws: InternalWalletState,
|
|
merchantBaseUrl: string,
|
|
): Promise<MerchantInfo> {
|
|
const canonBaseUrl = canonicalizeBaseUrl(merchantBaseUrl);
|
|
|
|
const existingInfo = ws.merchantInfoCache[canonBaseUrl];
|
|
if (existingInfo) {
|
|
return existingInfo;
|
|
}
|
|
|
|
const configUrl = new URL("config", canonBaseUrl);
|
|
const resp = await ws.http.get(configUrl.href);
|
|
|
|
const configResp = await readSuccessResponseJsonOrThrow(
|
|
resp,
|
|
codecForMerchantConfigResponse(),
|
|
);
|
|
|
|
logger.info(
|
|
`merchant "${canonBaseUrl}" reports protocol ${configResp.version}"`,
|
|
);
|
|
|
|
const parsedVersion = LibtoolVersion.parseVersion(configResp.version);
|
|
if (!parsedVersion) {
|
|
throw Error("invalid merchant version");
|
|
}
|
|
|
|
const merchantInfo: MerchantInfo = {
|
|
protocolVersionCurrent: parsedVersion.current,
|
|
};
|
|
|
|
ws.merchantInfoCache[canonBaseUrl] = merchantInfo;
|
|
return merchantInfo;
|
|
}
|