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-/*
- @source https://www.git.taler.net/?p=web-common.git;a=blob_plain;f=taler-wallet-lib.ts;hb=HEAD
- @license magnet:?xt=urn:btih:5de60da917303dbfad4f93fb1b985ced5a89eac2&dn=lgpl-2.1.txt LGPL v21
-
- @licstart The following is the entire license notice for the
- JavaScript code in this page.
-
- Copyright (C) 2015, 2016 INRIA
-
- The JavaScript code in this page is free software: you can
- redistribute it and/or modify it under the terms of the GNU
- Lesser General Public License (GNU LGPL) as published by the Free Software
- Foundation, either version 2.1 of the License, or (at your option)
- any later version. The code is distributed WITHOUT ANY WARRANTY;
- without even the implied warranty of MERCHANTABILITY or FITNESS
- FOR A PARTICULAR PURPOSE. See the GNU LGPL for more details.
-
- As additional permission under GNU LGPL version 2.1 section 7, you
- may distribute non-source (e.g., minimized or compacted) forms of
- that code without the copy of the GNU LGPL normally required by
- section 4, provided you include this license notice and a URL
- through which recipients can access the Corresponding Source.
-
- @licend The above is the entire license notice
- for the JavaScript code in this page.
-
- @author Marcello Stanisci
- @author Florian Dold
-*/
-(function (factory) {
- if (typeof module === "object" && typeof module.exports === "object") {
- var v = factory(require, exports);
- if (v !== undefined) module.exports = v;
- }
- else if (typeof define === "function" && define.amd) {
- define(["require", "exports"], factory);
- }
-})(function (require, exports) {
- "use strict";
- var taler;
- (function (taler) {
- "use strict";
- var logVerbose = false;
- try {
- logVerbose = !!localStorage.getItem("taler-log-verbose");
- }
- catch (e) {
- }
- var presentHandlers = [];
- var absentHandlers = [];
- // Are we running as the content script of an
- // extension (and not just from a normal page)?
- var runningInExtension = false;
- var callSeqId = 1;
- var installed = false;
- var probeExecuted = false;
- var pageLoaded = false;
- var errorHandler = undefined;
- var sheet;
- function onError(handler) {
- if (errorHandler) {
- console.warn("Overriding error handler");
- }
- errorHandler = handler;
- }
- taler.onError = onError;
- /**
- * Error handler for things that go wrong in the merchant
- * frontend browser code.
- */
- function raise_error(reason, detail) {
- if (errorHandler) {
- errorHandler(reason, detail);
- return;
- }
- alert("Failure: " + reason + ". No error handler installed. Open the developer console for more information.");
- console.error(reason, detail);
- console.warn("No custom error handler set.");
- }
- function callWallet(funcName, args, onResult) {
- var detail = JSON.parse(JSON.stringify(args || {}));
- var callId = callSeqId++;
- detail.callId = callId;
- var onTimeout = function () {
- console.warn("timeout for invocation of " + funcName);
- };
- var timeoutHandle = setTimeout(onTimeout, 1000);
- var handler = function (evt) {
- if (evt.detail.callId !== callId) {
- return;
- }
- if (onResult) {
- onResult(evt.detail);
- }
- clearTimeout(timeoutHandle);
- document.removeEventListener(funcName + "-result", handler);
- };
- document.addEventListener(funcName + "-result", handler);
- var evt = new CustomEvent(funcName, { detail: detail });
- document.dispatchEvent(evt);
- }
- /**
- * Confirm that a reserve was created.
- *
- * Used by tightly integrated bank portals.
- */
- function confirmReserve(reservePub) {
- if (!installed) {
- logVerbose && console.log("delaying confirmReserve");
- taler.onPresent(function () {
- confirmReserve(reservePub);
- });
- return;
- }
- callWallet("taler-confirm-reserve", { reserve_pub: reservePub });
- }
- taler.confirmReserve = confirmReserve;
- function createReserve(callbackUrl, amount, wtTypes, suggestedExchangeUrl) {
- if (!installed) {
- logVerbose && console.log("delaying createReserve");
- taler.onPresent(function () {
- createReserve(callbackUrl, amount, wtTypes, suggestedExchangeUrl);
- });
- return;
- }
- var args = {
- callback_url: callbackUrl,
- amount: amount,
- wt_types: wtTypes,
- suggested_exchange_url: suggestedExchangeUrl
- };
- callWallet("taler-create-reserve", args);
- }
- taler.createReserve = createReserve;
- function handlePaymentResponse(walletResp) {
- /**
- * Handle a failed payment.
- *
- * Try to notify the wallet first, before we show a potentially
- * synchronous error message (such as an alert) or leave the page.
- */
- function handleFailedPayment(r) {
- var timeoutHandle = null;
- function err() {
- raise_error("pay-failed", { status: r.status, response: r.responseText });
- }
- function onResp() {
- if (timeoutHandle != null) {
- clearTimeout(timeoutHandle);
- timeoutHandle = null;
- }
- err();
- }
- function onTimeout() {
- timeoutHandle = null;
- err();
- }
- callWallet("taler-payment-failed", { H_contract: walletResp.H_contract }, onResp);
- timeoutHandle = setTimeout(onTimeout, 200);
- }
- logVerbose && console.log("handling taler-notify-payment: ", walletResp);
- // Payment timeout in ms.
- var timeout_ms = 1000;
- // Current request.
- var r;
- var timeoutHandle = null;
- function sendPay() {
- r = new XMLHttpRequest();
- r.open("post", walletResp.contract.pay_url);
- r.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
- r.send(JSON.stringify(walletResp.payReq));
- r.onload = function () {
- if (!r) {
- return;
- }
- switch (r.status) {
- case 200:
- var merchantResp = JSON.parse(r.responseText);
- logVerbose && console.log("got success from pay_url");
- callWallet("taler-payment-succeeded", { H_contract: walletResp.H_contract, merchantSig: merchantResp.sig }, function () {
- var nextUrl = walletResp.contract.fulfillment_url;
- logVerbose && console.log("taler-payment-succeeded done, going to", nextUrl);
- window.location.href = nextUrl;
- window.location.reload(true);
- });
- break;
- default:
- handleFailedPayment(r);
- break;
- }
- r = null;
- if (timeoutHandle != null) {
- clearTimeout(timeoutHandle);
- timeoutHandle = null;
- }
- };
- function retry() {
- if (r) {
- r.abort();
- r = null;
- }
- timeout_ms = Math.min(timeout_ms * 2, 10 * 1000);
- logVerbose && console.log("sendPay timed out, retrying in ", timeout_ms, "ms");
- sendPay();
- }
- timeoutHandle = setTimeout(retry, timeout_ms);
- }
- sendPay();
- }
- function onPresent(f) {
- presentHandlers.push(f);
- }
- taler.onPresent = onPresent;
- function onAbsent(f) {
- absentHandlers.push(f);
- }
- taler.onAbsent = onAbsent;
- function internalPay(p) {
- // either the callback gets called,
- // or the wallet will redirect the browser
- callWallet("taler-pay", p, handlePaymentResponse);
- }
- taler.internalPay = internalPay;
- function pay(p) {
- if (!installed) {
- logVerbose && console.log("delaying call to 'pay' until GNU Taler wallet is present");
- taler.onPresent(function () {
- pay(p);
- });
- return;
- }
- internalPay(p);
- }
- taler.pay = pay;
- function internalAddAuditor(d) {
- // either the callback gets called,
- // or the wallet will redirect the browser
- callWallet("taler-add-auditor", d);
- }
- taler.internalAddAuditor = internalAddAuditor;
- function addAuditor(d) {
- if (!installed) {
- logVerbose && console.log("delaying call to 'addAuditor' until GNU Taler wallet is present");
- taler.onPresent(function () {
- addAuditor(d);
- });
- return;
- }
- internalAddAuditor(d);
- }
- taler.addAuditor = addAuditor;
- function internalCheckAuditor(url) {
- return new Promise(function (resolve, reject) {
- callWallet("taler-check-auditor", url, function (x) { return resolve(x); });
- });
- }
- taler.internalCheckAuditor = internalCheckAuditor;
- /**
- * Check if an auditor is already added to the wallet.
- *
- * Same-origin restrictions apply.
- */
- function checkAuditor(url) {
- if (!installed) {
- logVerbose && console.log("delaying call to 'checkAuditor' until GNU Taler wallet is present");
- return new Promise(function (resolve, reject) {
- taler.onPresent(function () {
- resolve(checkAuditor(url));
- });
- });
- }
- return internalCheckAuditor(url);
- }
- taler.checkAuditor = checkAuditor;
- function initTaler() {
- function handleUninstall() {
- installed = false;
- // not really true, but we want "uninstalled" to be shown
- firstTimeoutCalled = true;
- announce();
- }
- function handleProbe() {
- probeExecuted = true;
- if (!installed) {
- logVerbose && console.log("taler install detected");
- installed = true;
- announce();
- }
- }
- function probeTaler() {
- probeExecuted = false;
- var eve = new Event("taler-probe");
- document.dispatchEvent(eve);
- }
- var firstTimeoutCalled = false;
- function onProbeTimeout() {
- if (!probeExecuted) {
- if (installed || !firstTimeoutCalled) {
- installed = false;
- firstTimeoutCalled = true;
- logVerbose && console.log("taler uninstall detected");
- announce();
- }
- }
- // try again, maybe it'll be installed ...
- probeTaler();
- }
- /**
- * Announce presence/absence and update stylesheets.
- *
- * Only called after document.readyState is at least "interactive".
- */
- function announce() {
- if (!pageLoaded) {
- logVerbose && console.log("page not loaded yet, announcing later");
- return;
- }
- setStyles();
- if (installed) {
- logVerbose && console.log("announcing installed");
- for (var i = 0; i < presentHandlers.length; i++) {
- presentHandlers[i]();
- }
- }
- else {
- if (firstTimeoutCalled) {
- logVerbose && console.log("announcing uninstalled");
- for (var i = 0; i < absentHandlers.length; i++) {
- absentHandlers[i]();
- }
- }
- else {
- logVerbose && console.log("announcing nothing");
- }
- }
- }
- function setStyles() {
- if (!sheet || !sheet.cssRules) {
- return;
- }
- while (sheet.cssRules.length > 0) {
- sheet.deleteRule(0);
- }
- if (installed) {
- sheet.insertRule(".taler-installed-hide { display: none; }", 0);
- sheet.insertRule(".taler-probed-hide { display: none; }", 0);
- }
- else {
- sheet.insertRule(".taler-installed-show { display: none; }", 0);
- if (firstTimeoutCalled) {
- sheet.insertRule(".taler-probed-hide { display: none; }", 0);
- }
- else {
- // We're still doing the detection
- sheet.insertRule(".taler-installed-hide { display: none; }", 0);
- }
- }
- }
- function initStyle() {
- logVerbose && console.log("taking over styles");
- var name = "taler-presence-stylesheet";
- var content = "/* Taler stylesheet controlled by JS */";
- var style = document.getElementById(name);
- if (!style) {
- style = document.createElement("style");
- // Needed by WebKit
- style.appendChild(document.createTextNode(content));
- style.id = name;
- document.head.appendChild(style);
- sheet = style.sheet;
- }
- else {
- // We've taken over the stylesheet now,
- // make it clear by clearing all the rules in it
- // and making it obvious in the DOM.
- if (style.tagName.toLowerCase() === "style") {
- style.innerText = content;
- }
- if (!style.sheet) {
- throw Error("taler-presence-stylesheet should be a style sheet (<link> or <style>)");
- }
- sheet = style.sheet;
- while (sheet.cssRules.length > 0) {
- sheet.deleteRule(0);
- }
- }
- }
- function onPageLoad() {
- pageLoaded = true;
- if (document.readyState == "complete") {
- initStyle();
- }
- else {
- var listener = function () {
- initStyle();
- setStyles();
- };
- window.addEventListener("load", listener);
- }
- // We only start the timeout after the page is interactive.
- window.setInterval(onProbeTimeout, 300);
- announce();
- }
- probeTaler();
- document.addEventListener("taler-probe-result", handleProbe, false);
- document.addEventListener("taler-uninstall", handleUninstall, false);
- // Handle the case where the JavaScript is loaded after the page
- // has been loaded for the first time.
- if (document.readyState == "loading") {
- document.addEventListener("DOMContentLoaded", onPageLoad, false);
- }
- else {
- onPageLoad();
- }
- }
- function onPageLoadInExtension() {
- if (document.documentElement.getAttribute("data-taler-nojs")) {
- logVerbose && console.log("doing taler initialization from extension (nojs)");
- initTaler();
- }
- }
- var caught = false;
- try {
- chrome.runtime.sendMessage({ type: "ping" });
- }
- catch (e) {
- caught = true;
- }
- if (caught) {
- logVerbose && console.log("running taler-wallet-lib from page");
- initTaler();
- }
- else {
- logVerbose && console.log("running taler-wallet-lib from extension");
- runningInExtension = true;
- // Wait for even style sheets to load
- if (document.readyState != "complete") {
- window.addEventListener("load", function () { return onPageLoadInExtension(); });
- }
- else {
- onPageLoadInExtension();
- }
- }
- })(taler = exports.taler || (exports.taler = {}));
-});
-// @license-end
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 23:45:40 +0000