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