From 0ffbb91c4cfbe8d279b7409a91b95dce57a38d25 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 16 Mar 2015 11:19:18 -0400
Subject: Epirts.card.createToken(): Implement

---
diff --git a/epirts.js b/epirts.js
index 9a6334d..eb6e4df 100644
--- a/epirts.js
+++ b/epirts.js
@@ -35,10 +35,68 @@ var Stripe = Epirts = (function() {
 	var pub = {};
 	var _key = undefined;
 
+	pub.endpoint = 'https://api.stripe.com/v1';
+
 	pub.card = (function() {
 		var pub = {};
 
-		pub.createToken = function(data, callback) {
+		var _properties = ['number', 'exp_month', 'exp_year',
+			'cvc', 'name', 'address_line1', 'address_line2',
+			'address_city', 'address_state', 'address_zip',
+			'address_country'];
+		var _cb_time = (new Date()).getTime();
+
+		pub.createToken = function(data, arg2, arg3) {
+			var callback;
+			var amount;
+			var where;
+			var script;
+			var func;
+			var url;
+			var i;
+			var prop;
+
+			if (!data || typeof data !== 'object') {
+				throw new Error("Invalid card");
+			} else if (_key === undefined) {
+				throw new Error("Publishable key not set");
+			}
+			if (typeof arg2 === 'function') {
+				callback = arg2;
+			} else if (typeof arg2 === 'number' ||
+					typeof arg2 === 'string') {
+				amount = arg2;
+				callback = arg3;
+			}
+
+			where = document.getElementsByTagName('script')[0];
+			script = document.createElement('script');
+			script.type = 'text/javascript';
+			script.async = true;
+
+			func = 'sjsonp' + ++_cb_time;
+			window[func] = function(result) {
+				callback(result);
+				script.parentNode.removeChild(script);
+			}
+
+			url = Epirts.endpoint + '/tokens?';
+			for (i = 0; i < _properties.length; ++i) {
+				prop = _properties[i];
+				if (data.hasOwnProperty(prop)) {
+					url += 'card[' + prop + ']=' +
+						data[prop] + '&';
+				}
+			}
+			if (amount !== undefined) {
+				url += 'amount=' + amount + '&';
+			}
+			url += 'key=' + _key;
+			url += '&callback=' + func;
+			url += '&_method=POST';
+			script.src = url;
+
+			where.parentNode.insertBefore(script, where);
 		};
 
 		pub.validateCardNumber = function(number) {
--
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