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+<!DOCTYPE html>
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+<html>
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+<head>
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+<link rel="icon" href="favicon.ico" type="image/x-icon">
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+<title>OTA Update</title>
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+<meta charset="utf-8">
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+
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+<style>
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+h1 {font-size: 2em;}
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+h2 {font-size: 1.5em;}
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+h3 {font-size: 1.2em;}
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+p {font-size: 1em;}
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+
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+input[type=number] {
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+ width: 138px;
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+ padding: 10px 5px;
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+ display: inline-block;
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+ border: 1px solid #ccc;
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+ font-size: 16px;
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+}
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+
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+.button {
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+ padding: 10px 20px;
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+ width: 211px;
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+ font-size: 16px;
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+}
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+</style>
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+
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+</head>
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+
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+<body style="font-family: arial; padding: 0px 10px;">
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+Check at <a href="https://github.com/jomjol/AI-on-the-edge-device/releases" target=_blank>https://github.com/jomjol/AI-on-the-edge-device/releases</a> to see if there is an update available.
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+<h3>It is strongly recommended to update firmware and web interface (stored separately in the html directory on SD-card) at the same time!</h3>
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+<hr>
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+<h2>Update</h2>
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+<table class="fixed" border="0">
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+ <tr>
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+ <td>
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+ <table border="0">
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+ <tr>
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+ <td style="width: 230px">
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+ <label for="newfile">Select the update file (update.zip, firmware.bin, html.zip, *.tfl/tflite):</label>
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+ </td>
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+ <td colspan="2">
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+ <input id="newfile" type="file" onchange="setpath()" style="width:100%;">
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+ </td>
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+ <td rowspan="2" style="padding-left:50px">
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+ <button class="button" id="doUpdate" type="button" onclick="doUpdate()">Flash the firmware<br>(Takes about 60s)</button>
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+ </td>
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+ </tr>
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+ <tr>
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+ <td>
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+ <label for="filepath">Selected upload file:</label>
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+ </td>
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+ <td>
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+ <input id="filepath" type="text" style="width:100%; border: 0" readonly>
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+ </td>
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+ <td>
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+ <button id="upload" type="button" onclick="upload()">Upload</button>
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+ </td>
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+ </tr>
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+ </table>
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+ </td>
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+ </tr>
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+</table>
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+<h2>Reboot</h2>
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+ <button class="button" id="reboot" type="button" onclick="doReboot()">Reboot to activate updates</button>
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+<hr>
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+
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+<script type="text/javascript" src="./gethost.js"></script>
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+
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+
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+<script language="JavaScript">
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+
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+var basepath = "http://192.168.178.26";
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+
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+
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+function init(){
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+ basepath = getbasepath();
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+
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+ document.getElementById("reboot").disabled = true;
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+ document.getElementById("upload").disabled = true;
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+ document.getElementById("doUpdate").disabled = true;
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+}
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+
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+function doUpdate() {
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+ if (confirm("Are you sure to update the firmware?")) {
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+ var stringota = "/ota?file=firmware.bin";
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+ document.getElementById("doUpdate").disabled = true;
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+
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+ var xhttp = new XMLHttpRequest();
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+
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+ xhttp.onreadystatechange = function() {
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+ if (xhttp.readyState == 4) {
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+ if (xhttp.status == 200) {
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+ document.getElementById("reboot").disabled = false;
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+ alert("Flash successfull - Reboot necessary to make changes active.");
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+ /* keine Reaktion, damit sich das Dokument nicht ändert */
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+ } else if (xhttp.status == 0) {
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+ alert("Server closed the connection abruptly!");
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+ UpdatePage();
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+ } else {
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+ alert(xhttp.status + " Error!\n" + xhttp.responseText);
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+ UpdatePage();
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+ }
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+ }
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+ };
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+ xhttp.open("GET", stringota, true);
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+ xhttp.send();
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+ }
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+}
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+
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+
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+function doReboot() {
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+ if (confirm("Are you sure you want to reboot the ESP32?")) {
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+ var stringota = "/reboot";
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+ window.location = stringota;
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+ window.location.href = stringota;
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+ window.location.assign(stringota);
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+ window.location.replace(stringota);
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+ }
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+}
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+
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+function setpath() {
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+ var nameneu = document.getElementById("newfile").value;
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+ nameneu = nameneu.split(/[\\\/]/).pop();
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+ document.getElementById("filepath").value = nameneu;
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+ document.getElementById("upload").disabled = false;
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+}
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+
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+
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+function upload() {
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+ var xhttp = new XMLHttpRequest();
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+
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+ var filePath = document.getElementById("filepath").value;
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+ var upload_path = "/upload/firmware/" + filePath;
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+ var fileInput = document.getElementById("newfile").files;
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+
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+ /* first delete the old firmware */
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+ xhttp.onreadystatechange = function() {
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+ if (xhttp.readyState == 4) {
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+ if (xhttp.status == 200) {
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+ /* keine Reaktion, damit sich das Dokument nicht ändert */
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+ } else if (xhttp.status == 0) {
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+ alert("Server closed the connection abruptly!");
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+ UpdatePage();
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+ } else {
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+ alert(xhttp.status + " Error!\n" + xhttp.responseText);
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+ UpdatePage();
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+ }
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+ }
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+ };
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+ var _toDo = basepath + "/ota?delete=" + filePath;
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+ xhttp.open("GET", _toDo, false);
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+ xhttp.send();
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+ /* ----------------------------- */
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+
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+
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+ /* Max size of an individual file. Make sure this
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+ * value is same as that set in file_server.c */
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+ var MAX_FILE_SIZE = 6000*1024;
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+ var MAX_FILE_SIZE_STR = "6MB";
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+
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+ if (fileInput.length == 0) {
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+ alert("No file selected!");
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+ } else if (filePath.length == 0) {
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+ alert("File path on server is not set!");
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+ } else if (filePath.indexOf(' ') >= 0) {
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+ alert("File path on server cannot have spaces!");
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+ } else if (filePath[filePath.length-1] == '/') {
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+ alert("File name not specified after path!");
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+ } else if (fileInput[0].size > MAX_FILE_SIZE) {
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+ alert("File size must be less than " + MAX_FILE_SIZE_STR + "!");
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+ } else {
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+ document.getElementById("newfile").disabled = true;
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+ document.getElementById("filepath").disabled = true;
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+ document.getElementById("upload").disabled = true;
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+
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+ xhttp.onreadystatechange = function() {
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+ if (xhttp.readyState == 4) {
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+ if (xhttp.status == 200) {
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+ alert("Upload successfull!")
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+// document.reload();
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+ document.getElementById("reboot").disabled = false;
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+ document.getElementById("doUpdate").disabled = false;
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+ } else if (xhttp.status == 0) {
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+ alert("Server closed the connection abruptly!");
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+ UpdatePage();
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+ } else {
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+ alert(xhttp.status + " Error!\n" + xhttp.responseText);
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+ UpdatePage();
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+ }
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+ }
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+ };
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+
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+
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+ var file = fileInput[0];
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+ xhttp.open("POST", upload_path, true);
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+ xhttp.send(file);
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+ }
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+}
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+
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+init();
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+
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+</script>
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+</body>
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+</html>
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jomjol