mirror of
https://github.com/mofeng-git/One-KVM.git
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236 lines
9.2 KiB
JavaScript
236 lines
9.2 KiB
JavaScript
/*****************************************************************************
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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"use strict";
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import {tools, $} from "../tools.js";
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import {wm} from "../wm.js";
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export function Msd() {
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var self = this;
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/************************************************************************/
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var __state = null;
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var __upload_http = null;
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var __image_file = null;
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var __init__ = function() {
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$("msd-led").title = "Unknown state";
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$("msd-select-new-image-file").onchange = __selectNewImageFile;
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tools.setOnClick($("msd-select-new-image-button"), () => $("msd-select-new-image-file").click());
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tools.setOnClick($("msd-upload-new-image-button"), __clickUploadNewImageButton);
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tools.setOnClick($("msd-abort-uploading-button"), __clickAbortUploadingButton);
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tools.setOnClick($("msd-connect-button"), () => __clickConnectButton(true));
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tools.setOnClick($("msd-disconnect-button"), () => __clickConnectButton(false));
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tools.setOnClick($("msd-reset-button"), __clickResetButton);
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};
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/************************************************************************/
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self.setState = function(state) {
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__state = state;
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__applyState();
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};
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var __clickUploadNewImageButton = function() {
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let form_data = new FormData();
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form_data.append("image", __image_file.name);
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form_data.append("data", __image_file);
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__upload_http = new XMLHttpRequest();
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__upload_http.open("POST", "/api/msd/write", true);
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__upload_http.upload.timeout = 15000;
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__upload_http.onreadystatechange = __uploadStateChange;
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__upload_http.upload.onprogress = __uploadProgress;
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__upload_http.send(form_data);
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};
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var __clickAbortUploadingButton = function() {
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__upload_http.onreadystatechange = null;
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__upload_http.upload.onprogress = null;
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__upload_http.abort();
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__upload_http = null;
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$("msd-progress").setAttribute("data-label", "Aborted");
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$("msd-progress-value").style.width = "0%";
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};
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var __clickConnectButton = function(connect) {
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let action = (connect ? "connect" : "disconnect");
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let http = tools.makeRequest("POST", `/api/msd/${action}`, function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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wm.error("Switch error:<br>", http.responseText);
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}
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}
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__applyState();
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});
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__applyState();
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wm.switchDisabled($(`msd-${action}-button`), true);
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};
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var __selectNewImageFile = function() {
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let el_input = $("msd-select-new-image-file");
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let image_file = (el_input.files.length ? el_input.files[0] : null);
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if (image_file && image_file.size > __state.storage.size) {
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wm.error("New image is too big for your Mass Storage Device.<br>Maximum:", __formatSize(__state.storage.size));
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el_input.value = "";
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image_file = null;
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}
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__image_file = image_file;
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__applyState();
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};
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var __clickResetButton = function() {
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wm.confirm("Are you sure you want to reset Mass Storage Device?").then(function(ok) {
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if (ok) {
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let http = tools.makeRequest("POST", "/api/msd/reset", function() {
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if (http.readyState === 4) {
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if (http.status !== 200) {
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wm.error("MSD reset error:<br>", http.responseText);
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}
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}
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__applyState();
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});
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__applyState();
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}
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});
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};
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var __applyState = function() {
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if (__state) {
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if (__state.enabled) {
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$("msd-dropdown").classList.remove("feature-disabled");
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$("msd-reset-button").classList.remove("feature-disabled");
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} else {
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$("msd-dropdown").classList.add("feature-disabled");
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$("msd-reset-button").classList.add("feature-disabled");
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}
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if (__state.online && __state.drive.connected) {
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$("msd-another-another-user-uploads").style.display = "none";
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$("msd-led").className = "led-green";
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$("msd-status").innerHTML = $("msd-led").title = "Connected to Server";
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} else if (__state.online && __state.storage.uploading) {
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if (!__upload_http) {
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$("msd-another-another-user-uploads").style.display = "block";
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}
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$("msd-led").className = "led-yellow-rotating-fast";
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$("msd-status").innerHTML = $("msd-led").title = "Uploading new image";
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} else {
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$("msd-another-another-user-uploads").style.display = "none";
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$("msd-led").className = "led-gray";
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if (__state.online) {
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$("msd-status").innerHTML = $("msd-led").title = "Disconnected";
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} else {
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$("msd-status").innerHTML = $("msd-led").title = "Unavailable";
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}
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}
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$("msd-offline").style.display = (__state.online ? "none" : "block");
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$("msd-drive-image-broken").style.display = (
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__state.online && __state.drive.image &&
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!__state.drive.image.complete && !__state.drive.uploading ? "block" : "none"
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);
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$("msd-drive-image-name").innerHTML = (__state.online && __state.drive.image ? __state.drive.image.name : "None");
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$("msd-drive-image-size").innerHTML = (__state.online && __state.drive.image ? __formatSize(__state.drive.image.size) : "None");
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$("msd-storage-size").innerHTML = (__state.online ? __formatSize(__state.storage.size) : "Unavailable");
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wm.switchDisabled($("msd-connect-button"), (!__state.online || __state.drive.connected || __state.busy));
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wm.switchDisabled($("msd-disconnect-button"), (!__state.online || !__state.drive.connected || __state.busy));
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wm.switchDisabled($("msd-select-new-image-button"), (!__state.online || __state.drive.connected || __state.busy || __upload_http));
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wm.switchDisabled($("msd-upload-new-image-button"), (!__state.online || __state.drive.connected || __state.busy || !__image_file));
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wm.switchDisabled($("msd-abort-uploading-button"), (!__state.online || !__upload_http));
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wm.switchDisabled($("msd-reset-button"), (!__state.enabled || __state.busy));
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$("msd-new-image").style.display = (__image_file ? "block" : "none");
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$("msd-progress").setAttribute("data-label", "Waiting for upload ...");
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$("msd-progress-value").style.width = "0%";
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$("msd-new-image-name").innerHTML = (__image_file ? __image_file.name : "");
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$("msd-new-image-size").innerHTML = (__image_file ? __formatSize(__image_file.size) : "");
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} else {
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$("msd-another-another-user-uploads").style.display = "none";
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$("msd-led").className = "led-gray";
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$("msd-status").innerHTML = "";
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$("msd-led").title = "";
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$("msd-offline").style.display = "none";
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$("msd-drive-image-broken").style.display = "none";
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$("msd-drive-image-name").innerHTML = "";
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$("msd-drive-image-size").innerHTML = "";
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$("msd-storage-size").innerHTML = "";
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wm.switchDisabled($("msd-connect-button"), true);
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wm.switchDisabled($("msd-disconnect-button"), true);
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wm.switchDisabled($("msd-select-new-image-button"), true);
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wm.switchDisabled($("msd-upload-new-image-button"), true);
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wm.switchDisabled($("msd-abort-uploading-button"), true);
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wm.switchDisabled($("msd-reset-button"), true);
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$("msd-select-new-image-file").value = "";
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$("msd-new-image").style.display = "none";
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$("msd-progress").setAttribute("data-label", "");
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$("msd-progress-value").style.width = "0%";
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$("msd-new-image-name").innerHTML = "";
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$("msd-new-image-size").innerHTML = "";
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}
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};
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var __formatSize = function(size) {
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if (size > 0) {
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let index = Math.floor( Math.log(size) / Math.log(1024) );
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return (size / Math.pow(1024, index)).toFixed(2) * 1 + " " + ["B", "kB", "MB", "GB", "TB"][index];
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} else {
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return 0;
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}
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};
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var __uploadStateChange = function() {
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if (__upload_http.readyState === 4) {
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if (__upload_http.status !== 200) {
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wm.error("Can't upload image to the Mass Storage Device:<br>", __upload_http.responseText);
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}
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$("msd-select-new-image-file").value = "";
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__image_file = null;
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__upload_http = null;
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__applyState();
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}
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};
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var __uploadProgress = function(event) {
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if(event.lengthComputable) {
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let percent = Math.round((event.loaded * 100) / event.total);
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$("msd-progress").setAttribute("data-label", percent + "%");
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$("msd-progress-value").style.width = percent + "%";
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}
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};
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__init__();
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}
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