1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
import { randomBytes } from 'node:crypto';
import { createServer } from 'node:net';
import { type BrowserWindow, ipcMain } from 'electron';
import { LOCAL_HOSTNAME, LOCAL_PORT } from '../../config';
import { userDataPath } from '../../environment-remote';
import { server } from '../../internal-server/start';
const debug = require('../../preload-safe-debug')('Ferdium:LocalServer');
const portInUse = (port: number): Promise<boolean> =>
new Promise(resolve => {
const server = createServer(socket => {
socket.write('Echo server\r\n');
socket.pipe(socket);
});
server.listen(port, LOCAL_HOSTNAME);
server.on('error', () => {
resolve(true);
});
server.on('listening', () => {
server.close();
resolve(false);
});
});
let localServerStarted = false;
let port = LOCAL_PORT;
let token = '';
export default (params: { mainWindow: BrowserWindow }) => {
ipcMain.on('startLocalServer', () => {
(async () => {
if (!localServerStarted) {
// Find next unused port for server
port = LOCAL_PORT;
// eslint-disable-next-line no-await-in-loop
while ((await portInUse(port)) && port < LOCAL_PORT + 10) {
port += 1;
}
token = randomBytes(256 / 8).toString('base64url');
debug(
'Starting local server at',
`http://localhost:${port}/token/${token}`,
);
await server(userDataPath(), port, token);
localServerStarted = true;
}
// Send local server parameters to the renderer even if the server is already running.
params.mainWindow.webContents.send('localServerPort', {
port,
token,
});
})().catch(error => {
console.error('Error while starting local server', error);
});
});
};
|
