119 lines
3.9 KiB
TypeScript
119 lines
3.9 KiB
TypeScript
/*
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This file is part of TALER
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(C) 2015 GNUnet e.V.
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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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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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TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
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*/
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// Script that is injected into pages in order to allow merchants pages to
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// query the availability of Taler.
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/// <reference path="../lib/decl/chrome/chrome.d.ts" />
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"use strict";
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console.log("Taler injected");
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function subst(url: string, H_contract) {
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url = url.replace("${H_contract}", H_contract);
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url = url.replace("${$}", "$");
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return url;
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}
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document.addEventListener("taler-probe", function(e) {
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let evt = new Event("taler-wallet-present");
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document.dispatchEvent(evt);
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console.log("handshake done");
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});
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document.addEventListener("taler-create-reserve", function(e: CustomEvent) {
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let $ = (x) => document.getElementById(x);
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console.log("taler-create-reserve with " + JSON.stringify(e.detail));
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let form_uri = (<HTMLFormElement>$(e.detail.form_id)).action;
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// TODO: validate event fields
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// TODO: also send extra bank-defined form fields
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let params = {
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post_url: URI(form_uri).absoluteTo(document.location.href).href(),
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// TODO: This should change in the future, we should not deal with the
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// amount as a bank-specific string here.
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amount_str: (<HTMLInputElement>$(e.detail.input_amount)).value,
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// TODO: This double indirection is way too much ...
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field_amount: (<HTMLInputElement>$(e.detail.input_amount)).name,
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field_reserve_pub: (<HTMLInputElement>$(e.detail.input_pub)).name,
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field_mint: (<HTMLInputElement>$(e.detail.mint_rcv)).name,
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};
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let uri = URI(chrome.extension.getURL("pages/confirm-create-reserve.html"));
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document.location.href = uri.query(params).href();
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});
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document.addEventListener("taler-contract", function(e: CustomEvent) {
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// XXX: the merchant should just give us the parsed data ...
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let offer = JSON.parse(e.detail);
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let uri = URI(chrome.extension.getURL("pages/confirm-contract.html"));
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let params = {
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offer: JSON.stringify(offer),
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merchantPageUrl: document.location.href,
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cookie: document.cookie,
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};
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document.location.href = uri.query(params).href();
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});
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document.addEventListener('taler-execute-payment', function(e: CustomEvent) {
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console.log("got taler-execute-payment in content page");
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if (!e.detail.pay_url) {
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console.log("field 'pay_url' missing in taler-execute-payment event");
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return;
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}
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let payUrl = e.detail.pay_url;
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let msg = {
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type: "execute-payment",
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detail: {
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H_contract: e.detail.H_contract,
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},
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};
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chrome.runtime.sendMessage(msg, (resp) => {
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if (!resp.success) {
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console.log("failure!");
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return;
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}
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let contract = resp.contract;
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if (!contract) {
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throw Error("contract missing");
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}
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let payReq = Object.assign({}, resp.payReq);
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if (e.detail.require_contract) {
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payReq.contract = contract;
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}
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console.log("Making request to ", payUrl);
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let r = new XMLHttpRequest();
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r.open('post', payUrl);
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r.send(JSON.stringify(payReq));
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r.onload = () => {
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switch (r.status) {
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case 200:
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console.log("going to", contract.fulfillment_url);
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window.location.href = subst(contract.fulfillment_url,
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e.detail.H_contract);
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window.location.reload(true);
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break;
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default:
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console.log("Unexpected status code for $pay_url:", r.status);
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break;
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}
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};
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});
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}); |