wallet-core/extension/pages/confirm-create-reserve.js
2016-02-15 15:53:59 +01:00

227 lines
10 KiB
JavaScript

/*
This file is part of TALER
(C) 2015-2016 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/>
*/
System.register(["../lib/wallet/helpers", "../lib/wallet/types", "mithril"], function(exports_1, context_1) {
"use strict";
var __moduleName = context_1 && context_1.id;
var helpers_1, types_1, mithril_1;
var DelayTimer, Controller;
function view(ctrl) {
var controls = [];
var mx = function (x) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
return controls.push(mithril_1.default.apply(void 0, [x].concat(args)));
};
mx("p", (_a = ["The bank wants to create a reserve over ", "."], _a.raw = ["The bank wants to create a reserve over ", "."], i18n(_a, helpers_1.amountToPretty(ctrl.amount))));
mx("input", {
className: "url",
type: "text",
spellcheck: false,
value: ctrl.url(),
oninput: mithril_1.default.withAttr("value", ctrl.onUrlChanged.bind(ctrl)),
});
mx("button", {
onclick: function () { return ctrl.confirmReserve(ctrl.url(), ctrl.amount, ctrl.callbackUrl); },
disabled: !ctrl.isValidMint
}, "Confirm mint selection");
if (ctrl.statusString) {
mx("p", ctrl.statusString);
}
else {
mx("p", "Checking URL, please wait ...");
}
return mithril_1.default("div", controls);
var _a;
}
function getSuggestedMint(currency) {
// TODO: make this request go to the wallet backend
// Right now, this is a stub.
var defaultMint = {
"KUDOS": "http://mint.demo.taler.net",
"PUDOS": "http://mint.test.taler.net",
};
var mint = defaultMint[currency];
if (!mint) {
mint = "";
}
return Promise.resolve(mint);
}
function main() {
var url = URI(document.location.href);
var query = URI.parseQuery(url.query());
var amount = types_1.AmountJson.checked(JSON.parse(query.amount));
var callback_url = query.callback_url;
var bank_url = query.bank_url;
getSuggestedMint(amount.currency)
.then(function (suggestedMintUrl) {
var controller = function () { return new Controller(suggestedMintUrl, amount, callback_url); };
var MintSelection = { controller: controller, view: view };
mithril_1.default.mount(document.getElementById("mint-selection"), MintSelection);
})
.catch(function (e) {
// TODO: provide more context information, maybe factor it out into a
// TODO:generic error reporting function or component.
document.body.innerText = "Fatal error: \"" + e.message + "\".";
console.error("got backend error \"" + e.message + "\"");
});
}
exports_1("main", main);
return {
setters:[
function (helpers_1_1) {
helpers_1 = helpers_1_1;
},
function (types_1_1) {
types_1 = types_1_1;
},
function (mithril_1_1) {
mithril_1 = mithril_1_1;
}],
execute: function() {
"use strict";
/**
* Execute something after a delay, with the possibility
* to reset the delay.
*/
DelayTimer = (function () {
function DelayTimer(ms, f) {
this.timerId = null;
this.f = f;
this.ms = ms;
}
DelayTimer.prototype.bump = function () {
var _this = this;
this.stop();
var handler = function () {
_this.f();
};
this.timerId = window.setTimeout(handler, this.ms);
};
DelayTimer.prototype.stop = function () {
if (this.timerId !== null) {
window.clearTimeout(this.timerId);
}
};
return DelayTimer;
}());
Controller = (function () {
function Controller(initialMintUrl, amount, callbackUrl) {
var _this = this;
this.url = mithril_1.default.prop();
this.statusString = null;
this.isValidMint = false;
this.amount = amount;
this.callbackUrl = callbackUrl;
this.timer = new DelayTimer(800, function () { return _this.update(); });
this.url(initialMintUrl);
this.update();
}
Controller.prototype.update = function () {
var _this = this;
this.timer.stop();
var doUpdate = function () {
if (!_this.url()) {
_this.statusString = (_a = ["Please enter a URL"], _a.raw = ["Please enter a URL"], i18n(_a));
mithril_1.default.endComputation();
return;
}
_this.statusString = null;
var parsedUrl = URI(_this.url());
if (parsedUrl.is("relative")) {
_this.statusString = (_b = ["The URL you've entered is not valid (must be absolute)"], _b.raw = ["The URL you've entered is not valid (must be absolute)"], i18n(_b));
mithril_1.default.endComputation();
return;
}
var keysUrl = URI("/keys").absoluteTo(helpers_1.canonicalizeBaseUrl(_this.url()));
console.log("requesting keys from '" + keysUrl + "'");
_this.request = new XMLHttpRequest();
_this.request.onreadystatechange = function () {
if (_this.request.readyState == XMLHttpRequest.DONE) {
switch (_this.request.status) {
case 200:
_this.isValidMint = true;
_this.statusString = "The mint base URL is valid!";
break;
case 0:
_this.statusString = "unknown request error";
break;
default:
_this.statusString = "request failed with status " + _this.request.status;
break;
}
}
mithril_1.default.endComputation();
};
_this.request.open("get", keysUrl.href());
_this.request.send();
var _a, _b;
};
mithril_1.default.startComputation();
doUpdate();
console.log("got update");
};
Controller.prototype.reset = function () {
this.isValidMint = false;
this.statusString = null;
if (this.request) {
this.request.abort();
this.request = null;
}
};
Controller.prototype.confirmReserve = function (mint, amount, callback_url) {
var _this = this;
var d = { mint: mint, amount: amount };
var cb = function (rawResp) {
if (!rawResp) {
throw Error("empty response");
}
if (!rawResp.error) {
var resp = types_1.CreateReserveResponse.checked(rawResp);
var q = {
mint: resp.mint,
reserve_pub: resp.reservePub,
amount_value: amount.value,
amount_fraction: amount.fraction,
amount_currency: amount.currency,
};
var url = URI(callback_url).addQuery(q);
if (!url.is("absolute")) {
throw Error("callback url is not absolute");
}
console.log("going to", url.href());
document.location.href = url.href();
}
else {
_this.reset();
_this.statusString = ("Oops, something went wrong." +
("The wallet responded with error status (" + rawResp.error + ")."));
}
};
chrome.runtime.sendMessage({ type: 'create-reserve', detail: d }, cb);
};
Controller.prototype.onUrlChanged = function (url) {
this.reset();
this.url(url);
this.timer.bump();
};
return Controller;
}());
}
}
});
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