Initial commit

Author: MoonScript

jQuery.XDomainRequest.js

@@ -0,0 +1,86 @@
+// jQuery.XDomainRequest.js
+// Author: Jason Moon - @JSONMOON
+// IE8+
+if (!jQuery.support.cors && window.XDomainRequest) {
+	var httpRegEx = /^https?:\/\//i;
+	var getOrPostRegEx = /^get|post$/i;
+	var sameSchemeRegEx = new RegExp('^'+location.protocol, 'i');
+	var xmlRegEx = /\/xml/i;
+	
+	// ajaxTransport exists in jQuery 1.5+
+	jQuery.ajaxTransport('text html xml json', function(options, userOptions, jqXHR){
+		// XDomainRequests must be: asynchronous, GET or POST methods, HTTP or HTTPS protocol, and same scheme as calling page
+		if (options.crossDomain && options.async && getOrPostRegEx.test(options.type) && httpRegEx.test(userOptions.url) && sameSchemeRegEx.test(userOptions.url)) {
+			var xdr = null;
+			var userType = (userOptions.dataType||'').toLowerCase();
+			return {
+				send: function(headers, complete){
+					xdr = new XDomainRequest();
+					if (/^\d+$/.test(userOptions.timeout)) {
+						xdr.timeout = userOptions.timeout;
+					}
+					xdr.ontimeout = function(){
+						complete(500, 'timeout');
+					};
+					xdr.onload = function(){
+						var allResponseHeaders = 'Content-Length: ' + xdr.responseText.length + '\r\nContent-Type: ' + xdr.contentType;
+						var status = {
+							code: 200,
+							message: 'success'
+						};
+						var responses = {
+							text: xdr.responseText
+						};
+						/*
+						if (userType === 'html') {
+							responses.html = xdr.responseText;
+						} else
+						*/
+						try {
+							if (userType === 'json') {
+								try {
+									responses.json = JSON.parse(xdr.responseText);
+								} catch(e) {
+									status.code = 500;
+									status.message = 'parseerror';
+									//throw 'Invalid JSON: ' + xdr.responseText;
+								}
+							} else if ((userType === 'xml') || ((userType !== 'text') && xmlRegEx.test(xdr.contentType))) {
+								var doc = new ActiveXObject('Microsoft.XMLDOM');
+								doc.async = false;
+								try {
+									doc.loadXML(xdr.responseText);
+								} catch(e) {
+									doc = undefined;
+								}
+								if (!doc || !doc.documentElement || doc.getElementsByTagName('parsererror').length) {
+									status.code = 500;
+									status.message = 'parseerror';
+									throw 'Invalid XML: ' + xdr.responseText;
+								}
+								responses.xml = doc;
+							}
+						} catch(parseMessage) {
+							throw parseMessage;
+						} finally {
+							complete(status.code, status.message, responses, allResponseHeaders);
+						}
+					};
+					xdr.onerror = function(){
+						complete(500, 'error', {
+							text: xdr.responseText
+						});
+					};
+					xdr.open(options.type, options.url);
+					//xdr.send(userOptions.data);
+					xdr.send();
+				},
+				abort: function(){
+					if (xdr) {
+						xdr.abort();
+					}
+				}
+			};
+		}
+	});
+}