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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>Backup/Restore Configuration</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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+<h2>Backup Configuration</h2>
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+<p>With the following action the <a href="/fileserver/config/" target="_self">config</a> folder on the SD-card gets zipped and provided as a download.</p>
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+
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+<table border="0">
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+ </tr>
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+ <td>
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+ <button class="button" id="doBackup" type="button" onclick="doBackup()">Create Config backup</button>
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+ </td>
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+ <td>
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+ <p id=progress></p>
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+ </td>
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+ </tr>
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+</table>
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+<hr>
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+<h2>Restore Configuration</h2>
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+<p>Use the <a href="/fileserver/config/" target="_self">File Server</a> to upload individual files.</p>
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+</body>
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+
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+
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+<script src="jszip.min.js"></script>
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+<script src="FileSaver.min.js"></script>
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+<script>
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+
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+function doBackup() {
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+ document.getElementById("progress").innerHTML = "Creating backup...";
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+
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+ // Get hostname
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+ try {
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+ var xhttp = new XMLHttpRequest();
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+ xhttp.open("GET", "/version?type=Hostname", false);
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+ xhttp.send();
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+ hostname = xhttp.responseText;
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+ }
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+ catch(err) {
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+ alert("Failed to fetch hostname: " + err.message);
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+ return;
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+ }
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+
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+ // get date/time
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+ var dateTime = new Date().toJSON().slice(0,10) + "_" + new Date().toJSON().slice(11,19).replaceAll(":", "-");
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+
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+ zipFilename = hostname + "_" + dateTime + ".zip";
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+ console.log(zipFilename);
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+
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+ // Get files list
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+ try {
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+ var xhttp = new XMLHttpRequest();
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+ xhttp.open("GET", "/fileserver/config/", false);
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+ xhttp.send();
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+
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+ var parser = new DOMParser();
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+ var content = parser.parseFromString(xhttp.responseText, 'text/html'); }
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+ catch(err) {
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+ alert("Failed to fetch files list: " + err.message);
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+ return;
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+ }
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+
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+ const list = content.querySelectorAll("a");
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+
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+ var urls = [];
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+
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+ for (a of list) {
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+ url = a.getAttribute("href");
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+ urls.push(url);
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+ }
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+
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+ // Pack as zip and download
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+ try {
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+ saveZip(zipFilename, urls);
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+ }
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+ catch(err) {
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+ alert("Failed to zip files: " + err.message);
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+ return;
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+ }
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+}
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+
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+
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+const saveZip = (filename, urls) => {
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+ if(!urls) return;
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+
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+ const zip = new JSZip();
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+ const folder = zip.folder("");
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+
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+ var i = 0;
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+ urls.forEach((url) => {
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+ const blobPromise = fetch(url).then((r) => {
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+ if (r.status === 200) return r.blob();
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+ return Promise.reject(new Error(r.statusText));
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+ });
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+ const name = url.substring(url.lastIndexOf("/") + 1);
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+ folder.file(name, blobPromise);
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+ });
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+
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+ zip.generateAsync({ type: "blob" },
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+ function updateCallback(metadata) {
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+ var msg = "Progress: " + metadata.percent.toFixed(0) + "%";
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+ if(metadata.currentFile) {
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+ msg += ", " + metadata.currentFile;
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+ }
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+
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+ console.log(msg);
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+ document.getElementById("progress").innerHTML = msg;
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+ }
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+ ).then((blob) => saveAs(blob, filename));
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+};
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+
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+</script>
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+
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+</html>
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CaCO3