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window.js
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window.js
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const { StringDecoder } = require('string_decoder');
/**
* Window object represent our main application window.
*/
const Settings = global.Settings;
const ipcMain = global.ipcMain;
const VMS = global.VMS;
var Window = {
// Properties
quitOnClose: false,
listeners: [],
win: null,
// Methods
/**
* alert - Displays an alert dialog with the given title and message.
* @param {string} title - the title of the alert dialog.
* @param {string} message - the message to display in the alert dialog.
*/
alert: function(title, message) {
const dialog = require('electron').dialog;
const nativeImage = require('electron').nativeImage;
const app = require('electron').app;
if (process.platform === 'darwin') {
app.dock.show();
}
dialog.showMessageBoxSync({
type: 'info',
message: message,
title: 'Devstia Personal Web - ' + title,
icon: nativeImage.createFromPath(`${app.getAppPath()}/images/dev_pw.png`)
});
},
/**
* close - Closes the main application window.
*/
close: function() {
if (this.win == null) return;
this.win.close();
this.win = null;
},
/**
* executeJavaScript - Executes the given JavaScript code in the main window.
* @param {string} script
*/
executeJavaScript: function(script) {
if (this.win == null) return;
try {
this.win.webContents.executeJavaScript(script);
}catch(error) {
console.error(error);
}
},
/**
* show - Shows application window with the given file and optional dimensions.
* @param {*} file contains the URL to load.
* @param {object} size optional size object with width and height properties.
*/
show: function(file = './web/index.html', size = { width: 620, height: 450} ) {
this.quitOnClose = false;
if (process.platform == 'win32') {
size.width += 5;
size.height += 3;
}
if (this.win == null) {
// Handle UI events
const BrowserWindow = require('electron').BrowserWindow;
const path = require('path');
let winOptions = {
width: size.width,
height: size.height,
modal: true,
title: 'Devstia Personal Web',
maximizable: false,
minimizable: false,
resizable: false,
show: false,
icon: './images/dev_pw.png',
webPreferences: {
preload: path.join(__dirname, 'preload.js'),
devTools: false
}
}
this.win = new BrowserWindow(winOptions);
this.win.setMenu(null);
this.win.setMenuBarVisibility(false);
this.win.on('closed', () => {
const app = require('electron').app;
if (process.platform === 'darwin') {
app.dock.hide();
}
if (process.platform === 'win32') {
// Kill any stuck ssh processes on windows doing --status-all querying
const { exec } = require('child_process');
let cmd = `wmic process where "name='ssh.exe'" get processid,commandline`;
exec(cmd, (error, stdout, stderr) => {
if (error) {
console.error(`Error getting ssh.exe processes: ${error.message}`);
return;
}
let lines = stdout.split('\n');
lines.forEach(line => {
if (line.includes('service --status-all')) {
console.log("Found stuck ssh.exe process: " + line);
let pid = line.trim().split(' ').pop();
if (isNaN(pid)) {
pid = line.split(' ')[0];
}
console.log("Killing ssh.exe process " + pid);
exec(`taskkill /F /PID ${pid}`, (error, stdout, stderr) => {
if (error) {
console.error(`Error killing ssh.exe process ${pid}: ${error.message}`);
}
});
}
});
});
}
if (this.quitOnClose == true) {
global.doQuitting();
}
this.win = null;
});
this.win.webContents.on('did-finish-load', () => {
if (this.win == null) return;
// Set initial theme mode (light/dark)
const nativeTheme = require('electron').nativeTheme;
if (nativeTheme.shouldUseDarkColors) {
this.win.webContents.executeJavaScript("if (window.setThemeMode != null) setThemeMode('dark');");
} else {
this.win.webContents.executeJavaScript("if (window.setThemeMode != null) setThemeMode('light');");
}
// Dynamically update the light/dark theme on OS settings change
nativeTheme.on('updated', () => {
if (this.win == null) return;
if (this.win.webContents == null) return;
if (nativeTheme.shouldUseDarkColors) {
this.win.webContents.executeJavaScript("if (window.setThemeMode != null) setThemeMode('dark');");
} else {
this.win.webContents.executeJavaScript("if (window.setThemeMode != null) setThemeMode('light');");
}
});
if (process.platform === 'darwin') {
const app = require('electron').app;
app.dock.show();
}
if (file.indexOf('settings.html') > -1) {
let pwSettings = Settings.read();
this.executeJavaScript('fillOutSettings(' + JSON.stringify(pwSettings) + ');');
if (pwSettings.fsMode.toLowerCase() == 'none') {
this.executeJavaScript("$('#files').addClass('disabled');");
}
}
setTimeout(() => { if (this.win != null) { this.win.show(); } }, 300);
});
this.win.setSize(size.width, size.height + (process.platform === 'darwin' ? 3 : 0));
this.win.loadFile(file);
}else{
this.close();
setTimeout(() => {
this.show(file, size);
}, 500);
}
},
/**
* setElmTextById - updates the text within the given element by id.
* @param {string} id - the id of the element to update.
* @param {string} text - the inner text to set the element content to.
*/
setElmTextById: function(id, text) {
if (this.win == null) return;
text = JSON.stringify(text);
try {
let script = "if (document.getElementById('" + id + "') != null) {\n";
script += " document.getElementById('" + id + "').innerText = " + text + ";\n";
script += "}else{\n"; // Retry in 1 second if element not found
script += " setTimeout(() => {\n";
script += " if (document.getElementById('" + id + "') != null) {\n";
script += " document.getElementById('" + id + "').innerText = " + text + ";\n";
script += " }\n";
script += " }, 1000);\n";
script += "}\n";
this.win.webContents.executeJavaScript(script);
}catch(error) {
console.error(error);
}
},
/**
* registerUIEvents - Handles user interface events from the window.
*/
registerUIEvents: function() {
// Handle request to allow quit on window close
ipcMain.on('allowQuitOnClose', function(event, arg) {
global.Window.quitOnClose = arg;
});
// Handle request for server status
ipcMain.on('checkStatus', function(event, arg) {
VMS.checkStatus().then((result) => {
console.log(`Command Result: ${result}`);
try {
event.sender.send(arg.uuid, result);
}catch(error) {
console.error(error);
}
})
.catch((error) => {
console.error(`Error executing VMS.checkStatus command: ${error}`);
});
});
// Handle showTipsDone for first time users
ipcMain.on('showTipsDone', (event, args) => {
let pwSettings = Settings.read();
pwSettings.showTips = false;
Settings.save(pwSettings);
VMS.pwSettings = pwSettings;
});
// Handle request for opening external http/s links
ipcMain.on('openLink', (event, url) => {
if (typeof url != 'string') return;
const urlPattern = /^(https?|ftp):\/\//i; // sanitize
if ( urlPattern.test(url) ) {
require('electron').shell.openExternal(url);
}
});
// Handle saving resources
ipcMain.on('saveResources', function(event, newSettings) {
let pwSettings = Settings.read();
pwSettings.vmsMemory = newSettings.vmsMemory;
pwSettings.vmsCPUs = newSettings.vmsCPUs;
Settings.save(pwSettings);
VMS.pwSettings = pwSettings;
event.sender.send(newSettings.uuid);
});
// Handle saving settings
ipcMain.on('savePass', function(event, newSettings) {
let pwSettings = Settings.read();
if (newSettings.pwPass != pwSettings.pwPass) {
VMS.updatePassword(newSettings.pwPass);
pwSettings.pwPass = newSettings.pwPass;
Settings.save(pwSettings);
VMS.pwSettings = pwSettings;
event.sender.send(newSettings.uuid);
}
});
// Handle saving LAN IP address
ipcMain.on('saveLANIP', function(event, newSettings) {
let pwSettings = Settings.read();
if (newSettings.lanIP != pwSettings.lanIP) {
pwSettings.lanIP = newSettings.lanIP;
Settings.save(pwSettings);
VMS.pwSettings = pwSettings;
event.sender.send(newSettings.uuid);
}
});
// Handle getting LAN IP address
ipcMain.on('getLANIP', function(event, arg) {
let lanIP = Settings.getDefaultLocalIP();
event.sender.send(arg.uuid, lanIP);
});
// Handle turning on and off the DNS proxy server
ipcMain.on('dnsProxy', function(event, arg) {
if (arg.dnsProxy == true) {
VMS.startDNSProxy((state) => {
event.sender.send(arg.uuid, state);
});
}else{
VMS.stopDNSProxy((state) => {
event.sender.send(arg.uuid, state);
});
}
});
// Handle DNS proxy state requests
ipcMain.on('dnsProxyState', function(event, arg) {
const fs = require('fs');
const path = require('path');
const pwSettings = Settings.read();
const pidFile = path.join(pwSettings.appFolder, 'dnsproxy.pid');
if (fs.existsSync(pidFile)) {
state = 'checked';
}else{
state = '';
}
event.sender.send(arg.uuid, state);
});
// Handle system requests
ipcMain.on('queryTrayMenu', function(event, arg) {
if (global.Tray.getMenuState('localhost') == true) {
event.sender.send(arg.uuid);
}
});
ipcMain.on('erase', function(event, arg) {
const prompt = require('electron-prompt');
prompt({
title: 'Devstia Personal Web - WARNING',
label: '<div style="font-size:smaller;"><span style="font-weight: bold;">WARNING:</span> This will destroy all sites and reset the server installation. <br>Please type "ERASE" to confirm.</div>',
value: '',
inputAttrs: {
type: 'text'
},
type: 'input',
useHtmlLabel: true,
width: 480,
height: 210
}).then((r) => {
if(r === null) {
event.sender.send(arg.uuid);
return;
} else {
if (r === 'ERASE') {
global.Window.executeJavaScript("$('#close-button').addClass('disabled');showSystemWaiting('Erasing server...');document.getElementById('close-button').addClass('disabled');");
VMS.erase();
setTimeout(function() {
global.Window.executeJavaScript("showSystemWaiting('Re-installing server... <span id=\"txtReinstallPercent\"></span><br> Please wait');");
VMS.on('extractProgress', (msg) => {
let percent = msg.value;
if (isNaN(percent)) percent = 0;
Window.setElmTextById('txtReinstallPercent', percent + '%');
});
VMS.extract(function() {
global.Window.executeJavaScript("$('.badge').css('opacity', '20%');showStatusWait();hideSystemWaiting();$('#close-button').removeClass('disabled');");
VMS.startup(true); // restarted
event.sender.send(arg.uuid);
});
}, 10000);
}else{
const { dialog, app } = require('electron');
const path = require('path');
// Show the custom error message box
const options = {
type: 'error',
title: 'Devstia Personal Web - Invalid Input',
message: 'Incorrect validation.',
detail: 'Please type "ERASE" to confirm.',
buttons: ['OK'],
icon: path.join(app.getAppPath(), 'images/dev_pw.png')
};
dialog.showMessageBox(options);
event.sender.send(arg.uuid);
}
}
})
});
ipcMain.on('localhost', function(event, arg) {
global.showLocalhost();
});
ipcMain.on('terminal', function(event, arg) {
global.showTerminal();
});
ipcMain.on('files', function(event, arg) {
global.showFiles();
});
ipcMain.on('restartServer', function(event, arg) {
VMS.restart(function() {
event.sender.send(arg.uuid);
});
});
ipcMain.on('quit', function(event, arg) {
global.doQuitting();
global.Window.close();
});
// Handle snapshot requests
ipcMain.on('createSnapshot', function(event, arg) {
const { dialog } = require('electron');
const os = require('os');
const path = require('path');
// Show the save dialog with default filename
const date = new Date();
const month = date.toLocaleString('default', { month: 'short' }).toLowerCase();
const day = date.getDate().toString().padStart(2, '0');
const year = date.getFullYear().toString();
const hours = date.getHours().toString().padStart(2, '0');
const minutes = date.getMinutes().toString().padStart(2, '0');
const fileName = `devstia-${month}-${day}-${year}-${hours}${minutes}.img`;
const options = {
title: 'Save Snapshot Image',
defaultPath: path.join(os.homedir(), fileName),
buttonLabel: 'Save',
filters: [
{ name: 'Snapshot Image', extensions: ['img'] },
{ name: 'All Files', extensions: ['*'] }
]
};
dialog.showSaveDialog(options).then(result => {
if (result.canceled) {
event.sender.send(arg.uuid);
return;
}
const filePath = result.filePath;
const pwFile = process.arch == 'arm64' ? 'devstia-arm64.img' : 'devstia-amd64.img';
let pwSettings = Settings.read();
const vmsFilePath = path.join(pwSettings.vmsFolder, pwFile);
Window.executeJavaScript("$('#close-button').addClass('disabled');showSystemWaiting('Stopping server...');");
VMS.shutdown(function() {
global.Window.executeJavaScript("showSystemWaiting('Compacting snapshot...<br> Please wait');");
// Create a compact copy of the current server
let snapshot = 'snapshot.sh';
if (process.platform === 'win32') {
snapshot = 'snapshot.bat';
}
const path = require('path');
const snapshotScript = path.join(VMS.pwSettings.appFolder, 'scripts', snapshot);
let cmd = '"' + snapshotScript + '" "' + vmsFilePath + '" "' + filePath + '"';
const { exec } = require('child_process');
const runtimePath = path.join(__dirname, 'runtime', process.platform + '_' + process.arch, 'bin')
+ path.delimiter + `${process.env.PATH}${path.delimiter}`;
exec(cmd, { env: { PATH: runtimePath } }, (err, stdout, stderr) => {
if (err) {
console.error(`exec error: ${err}`);
return;
}
// Log output if needed
console.log(`stdout: ${stdout}`);
console.error(`stderr: ${stderr}`);
global.Window.executeJavaScript("showSystemWaiting('Resuming the server...');");
setTimeout(function() {
global.Window.executeJavaScript("$('.badge').css('opacity', '20%');showStatusWait();hideSystemWaiting();$('#close-button').removeClass('disabled');");
VMS.startup(true); // restarted
}, 3000);
});
event.sender.send(arg.uuid);
});
}).catch(err => {
console.error(err);
});
});
ipcMain.on('restoreSnapshot', function(event, arg) {
const { dialog } = require('electron');
// Show the file selector dialog
const options = {
title: 'Select Snapshot Image',
buttonLabel: 'Select',
filters: [
{ name: 'Snapshot Files', extensions: ['img'] },
{ name: 'All Files', extensions: ['*'] }
]
};
dialog.showOpenDialog(options).then(result => {
if (!result.canceled) {
// Show the confirmation dialog
const filePath = result.filePaths[0];
const app = require('electron').app;
const nativeImage = require('electron').nativeImage;
const confirmOptions = {
type: 'warning',
title: 'Restore Snapshot',
message: 'Restoring the snapshot will delete and replace your current running server. Are you sure?',
buttons: ['Yes', 'No'],
icon: nativeImage.createFromPath(`${app.getAppPath()}/images/dev_pw.png`),
defaultId: 1,
cancelId: 1
};
dialog.showMessageBox(confirmOptions).then(result => {
if (result.response === 0) {
// Restore the selected snapshot
global.Window.executeJavaScript("$('#close-button').addClass('disabled');showSystemWaiting('Stopping server...');");
VMS.erase(function() {
global.Window.executeJavaScript("showSystemWaiting('Restoring server...<br> Please wait');");
VMS.restore(filePath, function() {
global.Window.executeJavaScript("$('.badge').css('opacity', '20%');showStatusWait();hideSystemWaiting();$('#close-button').removeClass('disabled');");
VMS.startup(true); // restarted
event.sender.send(arg.uuid);
});
});
console.log(`File selected: ${filePath}`);
}else{
event.sender.send(arg.uuid);
}
}).catch(err => {
console.error(err);
});
}else{
event.sender.send(arg.uuid);
}
}).catch(err => {
console.error(err);
});
});
// Handle security requests
ipcMain.on('showMasterCert', function(event) {
let pwSettings = Settings.read();
const masterCert = require('path').join(pwSettings.appFolder, 'security', 'ca', 'dev.pw.crt');
require('electron').shell.showItemInFolder(masterCert);
});
ipcMain.on('regenCerts', function(event, arg) {
// Confirm dialog to regenerate certificates
const { dialog } = require('electron');
const app = require('electron').app;
const nativeImage = require('electron').nativeImage;
const confirmOptions = {
type: 'warning',
title: 'Devstia Personal Web - Regenerate Certificates',
message: 'Regenerating certificates will delete and replace the master certificate and all current website certificates. Are you sure?',
buttons: ['Yes', 'No'],
icon: nativeImage.createFromPath(`${app.getAppPath()}/images/dev_pw.png`),
defaultId: 1,
cancelId: 1
};
const choice = dialog.showMessageBoxSync(confirmOptions);
if (choice === 0) { // If 'Yes' is clicked
VMS.regenerateCertificates();
}
event.sender.send(arg.uuid);
});
ipcMain.on('showSSHKeys', function(event) {
let pwSettings = Settings.read();
const sshKey = require('path').join(pwSettings.appFolder, 'security', 'ssh', 'devstia_rsa.pub');
require('electron').shell.showItemInFolder(sshKey);
});
ipcMain.on('regenKeys', function(event, arg) {
// Confirm dialog to regenerate keys
const { dialog } = require('electron');
const app = require('electron').app;
const nativeImage = require('electron').nativeImage;
const confirmOptions = {
type: 'warning',
title: 'Devstia Personal Web - Regenerate SSH Keys',
message: 'Regenerating SSH keys will delete and replace the current SSH keys. Are you sure?',
buttons: ['Yes', 'No'],
icon: nativeImage.createFromPath(`${app.getAppPath()}/images/dev_pw.png`),
defaultId: 1,
cancelId: 1
};
const choice = dialog.showMessageBoxSync(confirmOptions);
if (choice === 0) { // If 'Yes' is clicked
VMS.regenerateSSHKeys();
}
event.sender.send(arg.uuid);
});
},
/**
* unregisterUIEvents - Unregisters all UI events.
*/
unregisterUIEvents: function() {
ipcMain.removeAllListeners('checkStatus');
ipcMain.removeAllListeners('openLink');
ipcMain.removeAllListeners('savePass');
ipcMain.removeAllListeners('erase');
ipcMain.removeAllListeners('localhost');
ipcMain.removeAllListeners('terminal');
ipcMain.removeAllListeners('files');
ipcMain.removeAllListeners('restartServer');
ipcMain.removeAllListeners('quit');
ipcMain.removeAllListeners('createSnapshot');
ipcMain.removeAllListeners('restoreSnapshot');
ipcMain.removeAllListeners('showMasterCert');
ipcMain.removeAllListeners('regenCerts');
ipcMain.removeAllListeners('showSSHKeys');
ipcMain.removeAllListeners('regenKeys');
}
};
module.exports = Window;