wallet-core/packages/taler-util/src/payto.ts

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/*
This file is part of GNU Taler
(C) 2019 GNUnet e.V.
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/>
*/
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import { URLSearchParams } from "./url.js";
interface PaytoUri {
targetType: string;
targetPath: string;
params: { [name: string]: string };
}
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const paytoPfx = "payto://";
/**
* Add query parameters to a payto URI
*/
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export function addPaytoQueryParams(
s: string,
params: { [name: string]: string },
): string {
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const [acct, search] = s.slice(paytoPfx.length).split("?");
const searchParams = new URLSearchParams(search || "");
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for (const k of Object.keys(params)) {
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searchParams.set(k, params[k]);
}
return paytoPfx + acct + "?" + searchParams.toString();
}
export function parsePaytoUri(s: string): PaytoUri | undefined {
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if (!s.startsWith(paytoPfx)) {
return undefined;
}
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const [acct, search] = s.slice(paytoPfx.length).split("?");
const firstSlashPos = acct.indexOf("/");
if (firstSlashPos === -1) {
return undefined;
}
const targetType = acct.slice(0, firstSlashPos);
const targetPath = acct.slice(firstSlashPos + 1);
const params: { [k: string]: string } = {};
const searchParams = new URLSearchParams(search || "");
searchParams.forEach((v, k) => {
params[v] = k;
});
return {
targetPath,
targetType,
params,
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};
}