75 lines
2.4 KiB
JavaScript
75 lines
2.4 KiB
JavaScript
/**
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* jQuery.ajax mid - CROSS DOMAIN AJAX
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* ---
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* @author James Padolsey (http://james.padolsey.com)
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* @version 0.11
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* @updated 12-JAN-10
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* ---
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* Note: Read the README!
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* ---
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* @info http://james.padolsey.com/javascript/cross-domain-requests-with-jquery/
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*/
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jQuery.ajax = (function(_ajax){
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var protocol = location.protocol,
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hostname = location.hostname,
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exRegex = RegExp(protocol + '//' + hostname),
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YQL = 'http' + (/^https/.test(protocol)?'s':'') + '://query.yahooapis.com/v1/public/yql?callback=?',
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query = 'select * from html where url="{URL}" and xpath="*"';
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function isExternal(url) {
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return !exRegex.test(url) && /:\/\//.test(url);
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}
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return function(o) {
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var url = o.url;
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if ( /get/i.test(o.type) && !/json/i.test(o.dataType) && isExternal(url) ) {
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// Manipulate options so that JSONP-x request is made to YQL
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o.url = YQL;
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o.dataType = 'json';
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o.data = {
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q: query.replace(
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'{URL}',
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url + (o.data ?
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(/\?/.test(url) ? '&' : '?') + jQuery.param(o.data)
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: '')
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),
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format: 'xml'
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};
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// Since it's a JSONP request
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// complete === success
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if (!o.success && o.complete) {
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o.success = o.complete;
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delete o.complete;
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}
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o.success = (function(_success){
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return function(data) {
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if (_success) {
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// Fake XHR callback.
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_success.call(this, {
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responseText: data.results[0]
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// YQL screws with <script>s
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// Get rid of them
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.replace(/<script[^>]+?\/>|<script(.|\s)*?\/script>/gi, '')
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}, 'success');
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}
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};
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})(o.success);
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}
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return _ajax.apply(this, arguments);
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};
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})(jQuery.ajax); |