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POSend files via XMLHttpRequest on another Server
 

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    <p>i like try to send a POST form with attached files via javascript XMLHttpRequest.</p> <p>Here is my Code:</p> <pre><code>window.addEventListener('load', function() { var button = document.getElementById('start_file_upload_button'); button.addEventListener('click', function() { document.getElementById("file_upload_button_button").style.display = "none"; var mfs = document.getElementsByName('MAX_FILE_SIZE')[0].value, to_up_files = document.getElementById('to_upload_files_field'), status = document.getElementById('file_upload_status_text'), errorlog = document.getElementById('file_upload_error_log'), progress = document.getElementById('file_upload_progress_bar'); for(var i = 0; i &lt; document.getElementById('to_upload_files_field').files.length; ++i) { document.getElementById('remove_link_' + i).style.display = "none"; } for(var i = 0; i &lt; &lt;?php echo $__CONFIG['UPLOAD']['MAX_FILE_AT_ONCE']; ?&gt;; ++i) { if(typeof(document.getElementById('to_upload_files_field').files[i]) == "undefined") break; var upload = document.getElementById('to_upload_files_field').files[i], filename = upload.name, filesize = upload.size, mfs = mfs; alert(filename); if(filesize &gt; &lt;?php echo $USER_DATA['UPLOAD_MAX_FILE_SIZE']; ?&gt;) { var errorelem = document.createElement('span'); var errorbreak = document.createElement('br'); errorelem.appendChild(document.createTextNode('Die Datei "' + filename + '" ist zu Groß')); errorelem.appendChild(errorbreak); errorlog.appendChild(errorelem); break; } if(&lt;?php echo $USER_DATA['SPACE_MAX']; ?&gt; &lt; (filesize + &lt;?php echo $USER_DATA['SPACE_USED']; ?&gt;)) { var errorelem = document.createElement('span'); var errorbreak = document.createElement('br'); errorelem.appendChild(document.createTextNode('Die Datei "' + filename + '" past nicht mehr auf die Platte')); errorelem.appendChild(errorbreak); errorlog.appendChild(errorelem); break; } if(filesize &gt; (&lt;?php echo $USER_DATA['TRAFFIC_PER_DAY'] - $USER_DATA['TRAFFIC_USED']; ?&gt;) &amp;&amp; (&lt;?php echo $USER_DATA['TRAFFIC_PER_DAY'] - $USER_DATA['TRAFFIC_USED']; ?&gt;) != 0) { // SPERRE EINBAUEN DAS ES NUR GEPRÜFT WIRD WENN DIE TRAFFIC ÜBERWACHUNG AKTIVIERT IST var errorelem = document.createElement('span'); var errorbreak = document.createElement('br'); errorelem.appendChild(document.createTextNode('Die Datei "' + filename + '" braucht mehr traffic als du hast')); errorelem.appendChild(errorbreak); errorlog.appendChild(errorelem); break; } status.innerHTML = "Lade " + filename + " hoch..."; var request = new XMLHttpRequest(); request.open('POST', 'http://www.domain.tld/user/upload/', true); request.setRequestHeader('Content-Type', 'multipart/form-data'); request.upload.addEventListener('progress', function(evt) { var uploaded = Number((100 / evt.total) * evt.loaded).toFixed(2); progress.innerHTML = "Upload zu " + uploaded + "% fertig"; if(uploaded = 100.00) { progress.innerHTML = "Datei wird verarbeitet... Bitte warten..."; } }, false); request.addEventListener('load', function(evt) { alert("lol2"); }, false); var data = new FormData(); data.append('upload_key', '&lt;?php echo $upload_key; ?&gt;'); data.append('MAX_FILE_SIZE', mfs); data.append('file', upload); request.send(data); request.onload = function() { if(this.status == 200) { alert("lol"); } else { alert("Some Upload Error"); } }; } }, false); }, false); </code></pre> <p>The Script works great and without problems when i'll send it to "<a href="http://www.domain.tld/user/upload/" rel="nofollow">http://www.domain.tld/user/upload/</a>" but i like to send it to "<a href="http://sub.somain.com/store/" rel="nofollow">http://sub.somain.com/store/</a>" and this is not working, why?</p> <p>Console log by send to "www.domain.tld": </p> <blockquote> <p>[12:21:51.085] POST <code>http://www.domain.tld/user/upload/</code> [HTTP/1.1 200 OK 5ms]</p> </blockquote> <p>Console log by send to "sub.domain.tld": </p> <blockquote> <p>[12:21:17.786] OPTIONS <code>http://sub.domain.tld/store/</code> [HTTP/1.1 200 OK 7ms]</p> </blockquote> <p>The servers run the same script, what can i do?</p>
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    1. USAlex Ruhl
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    1. COThis is security restriction I guess. So it will be impossible.
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      1. USTomáš Zato
    2. COa CORS issue i believe
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      1. POSend files via XMLHttpRequest on another Server
      1. USJibi Abraham
 

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