diff --git a/assets/lntip.js b/assets/lntip.js deleted file mode 100644 index d261516..0000000 --- a/assets/lntip.js +++ /dev/null @@ -1,151 +0,0 @@ -/*! https://github.com/robiveli/jpopup */ -!function(e,n){void 0===e&&void 0!==window&&(e=window),"function"==typeof define&&define.amd?define([],function(){return e.jPopup=n()}):"object"==typeof module&&module.exports?module.exports=n():e.jPopup=n()}(this,function(){"use strict";var n,o,t=function(){var e=0\n \n
'.concat(e,"
\n ")))},s=function(e){1==e?window.location.hash=o:window.history.back()},d=function(e){27==e.keyCode&&t.prototype.close(!0)},c=function(){window.location.hash!==o&&t.prototype.close(!1)},a=function(){document.getElementsByClassName("jCloseBtn")[0].addEventListener("click",function(){t.prototype.close(!0)}),window.addEventListener("keydown",d),1==n&&window.addEventListener("hashchange",c)},u=document.querySelector("html");return t.prototype={close:function(e){u.classList.add("jPopupClosed"),1==n&&(e&&s(!1),window.removeEventListener("hashchange",c)),window.removeEventListener("keydown",d),document.getElementsByClassName("jPopup")[0].addEventListener("animationend",function(e){e.target.parentNode.removeChild(this),u.classList.remove("jPopupClosed"),u.classList.remove("jPopupOpen")})},open:function(e){t(e)}},t}); - -LnTip = function (options) { - var host = document.getElementById('lntip-script').getAttribute('lntip-host'); - this.host = options.host || host; - this.value = options.value; - this.memo = options.memo || ''; - this.loadStylesheet(); // load it early that styles are ready when the popup is opened -} - -LnTip.prototype.loadStylesheet = function () { - if (document.getElementById('lntip-style')) { return; } - // get the CSS file from the same source as the JS widget file - var script = document.getElementById('lntip-script'); - var source = script.src.replace(/\.js$/, ".css"); - var head = document.getElementsByTagName('head')[0]; - var css = document.createElement('link'); - css.id = "lntip-style"; - css.rel = "stylesheet"; - css.type = "text/css"; - css.href = source - head.appendChild(css); -} - -LnTip.prototype.closePopup = function () { - if (this.popup) { - this.popup.close(); - this.popup = null; - } -} - -LnTip.prototype.openPopup = function (content) { - this.closePopup(); - this.popup = new jPopup({ - content: content, - shouldSetHash: false - }); - return this.popup; -} - -LnTip.prototype.thanks = function () { - var content = '

Thank you!

'; - this.openPopup(content); - setTimeout(() => { - this.closePopup(); - }, 3000); -} - -LnTip.prototype.watchPayment = function () { - if (this.paymentWatcher) { window.clearInterval(this.paymentWatcher) } - - return new Promise((resolve, reject) => { - this.paymentWatcher = window.setInterval(() => { - this._fetch(`${this.host}/v1/invoice/${this.invoice.ImplDepID}`) - .then((invoice) => { - if (invoice.settled) { - this.invoice.settled = true; - this.stopWatchingPayment(); - resolve(this.invoice); - } - }); - }, 2000); - }); -} - -LnTip.prototype.stopWatchingPayment = function () { - window.clearInterval(this.paymentWatcher); - this.paymentWatcher = null; -} - -LnTip.prototype.payWithWebln = function () { - if (!webln.isEnabled) { - webln.enable().then((weblnResponse) => { - return webln.sendPayment({ paymentRequest: this.invoice.payment_request }) - }).catch((e) => { - return this.showPaymentRequest(); - }) - } else { - return webln.sendPayment({ paymentRequest: this.invoice.payment_request }) - } -} - -LnTip.prototype.showPaymentRequest = function () { - var content = `
-

${this.memo}

-

${this.value} satoshi

-
- -
-
- - ${this.invoice.payment_request} - -
- -
-
-
` - this.openPopup(content); - - document.getElementById('lntip-copy').onclick = () => { - navigator.clipboard.writeText(this.invoice.payment_request); - alert('Copied to clipboad'); - } - return Promise.resolve(); // be compatible to payWithWebln() -} - -LnTip.prototype.addInvoice = function () { - var args = { - method: 'POST', - mode: 'cors', - headers: { 'Content-Type': 'application/json' }, - body: JSON.stringify({ memo: this.memo, value: this.value }) - }; - return this._fetch( - `${this.host}/v1/invoices`, - args - ).then((invoice) => { - this.invoice = invoice; - return invoice; - }); -} - -LnTip.prototype.requestPayment = function () { - return this.addInvoice().then((invoice) => { - if (typeof webln !== 'undefined') { - return this.payWithWebln(); - } else { - return this.showPaymentRequest(); - } - }); -} - -LnTip.prototype.request = function () { - return this.requestPayment().then(() => { - this.watchPayment().then((invoice) => { - this.thanks(); - }); - }); -} - -LnTip.prototype._fetch = function(url, args) { - return fetch(url, args).then((response) => { - if (response.ok) { - return response.json(); - } else { - throw new Error(response); - } - }) -} diff --git a/assets/lntip.css b/files/assets/lnme.css similarity index 93% rename from assets/lntip.css rename to files/assets/lnme.css index 0184de0..59f39ad 100644 --- a/assets/lntip.css +++ b/files/assets/lnme.css @@ -4,21 +4,21 @@ z-index:10000; } -.lntip-payment-request { +.jPopup .lnme-payment-request { width: 220px; margin: 0 auto; text-align: center; } -.lntip-payment-request h1, .lntip-payment-request h2 { +.jPopup .lnme-payment-request h1, .jPopup .lnme-payment-request h2 { text-align: center; } -.lntip-details { +.jPopup .lnme-details { width: 200px; overflow: hidden; } -.lntip-copy { +.jPopup .lnme-copy { cursor: pointer; display: inline; } diff --git a/files/assets/lnme.js b/files/assets/lnme.js new file mode 100644 index 0000000..5454620 --- /dev/null +++ b/files/assets/lnme.js @@ -0,0 +1,204 @@ +/*! https://github.com/robiveli/jpopup */ +!function(e,n){void 0===e&&void 0!==window&&(e=window),"function"==typeof define&&define.amd?define([],function(){return e.jPopup=n()}):"object"==typeof module&&module.exports?module.exports=n():e.jPopup=n()}(this,function(){"use strict";var n,o,t=function(){var e=0\n \n
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e=c(b,a);if("undefined"== +typeof e)throw Error("bad rs block @ typeNumber:"+b+"/errorCorrectLevel:"+a);b=e.length/3;a=[];for(var d=0;d +

+

Sats

+
+
+ +
+ +
+
+ `; + static paymentConfirmationTemplate = `

Payment sent!

`; + + constructor(options) { + this.script = document.getElementById('lnme-script'); + if (options.baseURL) { + this.baseURL = options.baseURL; + } else if (this.script.dataset.lnmeBaseUrl) { + this.baseURL = this.script.dataset.lnmeBaseUrl; + } else { + let url = new URL(this.script.src); + this.baseURL = `${url.protocol}//${url.host}`; + } + this.value = parseInt(options.value || 0); + this.memo = options.memo || ''; + this.target = options.target; + this.loadStylesheet(); // load it early that styles are ready when the popup is opened + } + + loadStylesheet() { + if (document.getElementById('lnme-style')) { return; } + // get the CSS file from the same source as the JS widget file + let source = this.script.src.replace(/\.js$/, ".css"); + console.log(source); + let head = document.getElementsByTagName('head')[0]; + let css = document.createElement('link'); + css.id = "lnme-style"; + css.rel = "stylesheet"; + css.type = "text/css"; + css.href = source + head.appendChild(css); + } + + watchPayment() { + if (this.paymentWatcher) { window.clearInterval(this.paymentWatcher) } + + return new Promise((resolve, reject) => { + this.paymentWatcher = window.setInterval(() => { + this._fetch(`${this.baseURL}/v1/invoice/${this.invoice.payment_hash}`) + .then((invoice) => { + if (invoice.settled) { + this.invoice.settled = true; + this.stopWatchingPayment(); + resolve(this.invoice); + } + }); + }, 2000); + }); + } + + stopWatchingPayment() { + window.clearInterval(this.paymentWatcher); + this.paymentWatcher = null; + } + + payWithWebln() { + if (!webln.isEnabled) { + webln.enable().then((weblnResponse) => { + return webln.sendPayment({ paymentRequest: this.invoice.payment_request }) + }).catch((e) => { + return this.showPaymentRequest(); + }) + } else { + return webln.sendPayment({ paymentRequest: this.invoice.payment_request }) + } + } + + populatePaymentRequest() { + document.querySelectorAll('.lnme-memo').forEach(e => { + e.innerHTML = this.memo; + }); + document.querySelectorAll('.lnme-value').forEach(e => { + e.innerHTML = this.value; + }); + document.querySelectorAll('.lnme-payment-request').forEach(e => { + e.innerHTML = this.invoice.payment_request; + }); + document.querySelectorAll('.lnme-link').forEach(e => { + e.setAttribute('href', `lightning:${this.invoice.payment_request}`); + }); + QrCreator.render({ text: this.invoice.payment_request, size: 128}, this.target.querySelector('.lnme-qrcode')); + this.target.querySelectorAll('.lnme-copy').forEach(element => { + element.addEventListener('click', (e) => { + navigator.clipboard.writeText(this.invoice.payment_request).then(() => { + alert('Copied to clipboad'); + }); + }); + }); + } + + showPaymentRequest() { + this.render(LnMe.paymentRequestTemplate); + this.populatePaymentRequest() + return Promise.resolve(); // be compatible to payWithWebln() + } + + addInvoice() { + let args = { + method: 'POST', + mode: 'cors', + headers: { 'Content-Type': 'application/json' }, + body: JSON.stringify({ memo: this.memo, value: this.value }) + }; + return this._fetch( + `${this.baseURL}/v1/invoices`, + args + ).then((invoice) => { + this.invoice = invoice; + return invoice; + }); + } + + requestPayment() { + return this.addInvoice().then((invoice) => { + if (typeof webln !== 'undefined') { + return this.payWithWebln(); + } else { + return this.showPaymentRequest(); + } + }); + } + + request() { + return this.requestPayment().then(() => { + this.watchPayment().then((invoice) => { + this.thanks(); + }); + }); + } + + _fetch(url, args) { + return fetch(url, args).then((response) => { + if (response.ok) { + return response.json(); + } else { + throw new Error(response); + } + }); + } + + closePopup() { + if (this.popup) { + this.popup.close(); + this.popup = null; + } + } + + render(content) { + this.closePopup(); + this.popup = new jPopup({ + content: content, + shouldSetHash: false + }); + this.target = document.querySelector('.jPopup .content').firstElementChild; + } + + thanks() { + this.target.innerHTML = LnMe.paymentConfirmationTemplate; + } +} diff --git a/files/root/index.html b/files/root/index.html new file mode 100644 index 0000000..923d22b --- /dev/null +++ b/files/root/index.html @@ -0,0 +1,142 @@ + + + + + Send me some Sats + + + + +
+
+

+ Send me
+ Sats +
+ for +
+ +

+ + +
+
+ + + + + diff --git a/invoices_proxy.go b/invoices_proxy.go index f78745b..92f562d 100644 --- a/invoices_proxy.go +++ b/invoices_proxy.go @@ -2,11 +2,12 @@ package main import ( "flag" + "github.com/GeertJohan/go.rice" "github.com/bumi/lntip/ln" - "github.com/labstack/echo" - "github.com/labstack/echo/middleware" "github.com/didip/tollbooth" "github.com/didip/tollbooth/limiter" + "github.com/labstack/echo" + "github.com/labstack/echo/middleware" "log" "net/http" "os" @@ -16,7 +17,7 @@ import ( func LimitMiddleware(lmt *limiter.Limiter) echo.MiddlewareFunc { return func(next echo.HandlerFunc) echo.HandlerFunc { return echo.HandlerFunc(func(c echo.Context) error { - httpError := tollbooth.LimitByRequest(lmt, c.Response(), c.Request()) + httpError := tollbooth.LimitByRequest(lmt, c.Response(), c.Request()) if httpError != nil { return c.String(httpError.StatusCode, httpError.Message) } @@ -37,16 +38,27 @@ func main() { certFile := flag.String("cert", "~/.lnd/tls.cert", "Path to the lnd tls.cert file") macaroonFile := flag.String("macaroon", "~/.lnd/data/chain/bitcoin/mainnet/invoice.macaroon", "Path to the lnd macaroon file") bind := flag.String("bind", ":1323", "Host and port to bind on") - staticPath := flag.String("static-path", "", "Path to a static assets directory. Blank to disable serving static files") + staticPath := flag.String("static-path", "", "Path to a static assets directory. Blank to not serve any static files") + disableHTML := flag.Bool("disable-html", false, "Disable HTML page") disableCors := flag.Bool("disable-cors", false, "Disable CORS headers") - requestLimit := flag.Float64("request-limit", 10, "Request limit per second") + requestLimit := flag.Float64("request-limit", 5, "Request limit per second") flag.Parse() e := echo.New() if *staticPath != "" { - e.Static("/static", *staticPath) + e.Static("/", *staticPath) + } else if !*disableHTML { + rootBox := rice.MustFindBox("files/root") + indexPage, err := rootBox.String("index.html") + if err == nil { + stdOutLogger.Print("Running page") + e.GET("/", func(c echo.Context) error { + return c.HTML(200, indexPage) + }) + } } + if !*disableCors { e.Use(middleware.CORS()) } @@ -57,6 +69,10 @@ func main() { e.Use(LimitMiddleware(limiter)) } + // Embed static files and serve those on /lnme (e.g. /lnme/lnme.js) + assetHandler := http.FileServer(rice.MustFindBox("files/assets").HTTPBox()) + e.GET("/lnme/*", echo.WrapHandler(http.StripPrefix("/lnme/", assetHandler))) + stdOutLogger.Printf("Connection to %s using macaroon %s and cert %s", *address, *macaroonFile, *certFile) lndOptions := ln.LNDoptions{ Address: *address,