69 lines
1.9 KiB
TypeScript
69 lines
1.9 KiB
TypeScript
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/*
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This file is part of GNU Taler
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(C) 2021 Taler Systems S.A..
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* Imports.
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*/
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import {
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canonicalizeBaseUrl,
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Logger,
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URL,
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codecForMerchantConfigResponse,
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LibtoolVersion,
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} from "@gnu-taler/taler-util";
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import { InternalWalletState, MerchantInfo } from "../common.js";
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import { readSuccessResponseJsonOrThrow } from "../index.js";
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const logger = new Logger("taler-wallet-core:merchants.ts");
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export async function getMerchantInfo(
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ws: InternalWalletState,
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merchantBaseUrl: string,
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): Promise<MerchantInfo> {
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const canonBaseUrl = canonicalizeBaseUrl(merchantBaseUrl);
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const existingInfo = ws.merchantInfoCache[canonBaseUrl];
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if (existingInfo) {
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return existingInfo;
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}
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const configUrl = new URL("config", canonBaseUrl);
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const resp = await ws.http.get(configUrl.href);
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const configResp = await readSuccessResponseJsonOrThrow(
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resp,
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codecForMerchantConfigResponse(),
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);
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logger.info(
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`merchant "${canonBaseUrl}" reports protocol ${configResp.version}"`,
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);
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const merchantInfo: MerchantInfo = {
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supportsMerchantProtocolV1: !!LibtoolVersion.compare(
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"1:0:0",
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configResp.version,
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)?.compatible,
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supportsMerchantProtocolV2: !!LibtoolVersion.compare(
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"2:0:0",
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configResp.version,
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)?.compatible,
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};
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ws.merchantInfoCache[canonBaseUrl] = merchantInfo;
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return merchantInfo;
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}
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