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<!DOCTYPE HTML>
<!--
/*
 * jQuery File Upload Plugin postMessage API
 * https://github.com/blueimp/jQuery-File-Upload
 *
 * Copyright 2011, Sebastian Tschan
 * https://blueimp.net
 *
 * Licensed under the MIT license:
 * http://www.opensource.org/licenses/MIT
 */
-->
<html lang="en">

    <head>
        <meta charset="utf-8">
        <title>jQuery File Upload Plugin postMessage API</title>
        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
    </head>

    <body>
        <script>
            /*jslint unparam: true, regexp: true */
            /*global $, Blob, FormData, location */
            'use strict';
            var origin = /^http:\/\/example.org/,
                target = new RegExp('^(http(s)?:)?\\/\\/' + location.host + '\\/');
            $(window).on('message', function(e)
            {
                e = e.originalEvent;
                var s = e.data,
                    xhr = $.ajaxSettings.xhr(),
                    f;
                if (!origin.test(e.origin))
                {
                    throw new Error('Origin "' + e.origin + '" does not match ' + origin);
                }
                if (!target.test(e.data.url))
                {
                    throw new Error('Target "' + e.data.url + '" does not match ' + target);
                }
                $(xhr.upload).on('progress', function(ev)
                {
                    ev = ev.originalEvent;
                    e.source.postMessage(
                    {
                        id: s.id,
                        type: ev.type,
                        timeStamp: ev.timeStamp,
                        lengthComputable: ev.lengthComputable,
                        loaded: ev.loaded,
                        total: ev.total
                    }, e.origin);
                });
                s.xhr = function()
                {
                    return xhr;
                };
                if (!(s.data instanceof Blob))
                {
                    f = new FormData();
                    $.each(s.data, function(i, v)
                    {
                        f.append(v.name, v.value);
                    });
                    s.data = f;
                }
                $.ajax(s).always(function(result, statusText, jqXHR)
                {
                    if (!jqXHR.done)
                    {
                        jqXHR = result;
                        result = null;
                    }
                    e.source.postMessage(
                    {
                        id: s.id,
                        status: jqXHR.status,
                        statusText: statusText,
                        result: result,
                        headers: jqXHR.getAllResponseHeaders()
                    }, e.origin);
                });
            });
        </script>
    </body>

</html>