React Native

Get FTP File Permissions

See more FTP Examples

_LANGUAGE_ example showing how to retrieve file permissions (via FTP) for each file in a remote directory. React Native

import { Ftp2 } from '@chilkat/react-native'

async function chilkatExample() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const ftp = new Ftp2();

  // Set the various properties to establish the connection.
  ftp.hostname = 'ftp.example.com';
  ftp.username = 'login';
  ftp.password = 'password';

  // If SSL/TLS is required..
  // See http://www.cknotes.com/determining-ftp2-connection-settings/ 
  // for more information.
  ftp.authTls = true;
  ftp.passiveUseHostAddr = true;

  // Connect to the FTP server:
  try {
    await ftp.connectOnlyAsync();
  } catch {
    console.log(ftp.lastErrorText);
    return;
  }

  // Authenticate with the FTP server.
  try {
    await ftp.loginAfterConnectOnlyAsync();
  } catch {
    console.log(ftp.lastErrorText);
    return;
  }

  // To get file permissions in UNIX format, disallow MSLD:
  ftp.allowMlsd = false;

  // To get file and sub-directory information, simply
  // loop from 0 to ftp.GetDirCount() - 1
  let i = 0;
  let n = await ftp.getDirCountAsync();
  if (n < 0) {
    console.log(ftp.lastErrorText);
    return;
  }

  // Show the type of permissions information that is available.
  // The two most common types are "mlsd" and "unix".  See the
  // online reference documentation for more information.
  if (n > 0) {
    console.log(`The permissions format is: ${await ftp.getPermTypeAsync(0)}`);
  }

  while (i < n) {

    // Display the permissions and filename
    console.log(`${await ftp.getPermissionsAsync(i)} ${await ftp.getFilenameAsync(i)}`);

    i++;
  }

  // Assuming MLSD was possible, let's see the file permissions in MLSD format:
  ftp.allowMlsd = true;

  // Clear the directory cache so we're forced to re-fetch the directory listing:
  ftp.clearDirCache();

  n = await ftp.getDirCountAsync();
  if (n < 0) {
    console.log(ftp.lastErrorText);
    return;
  }

  // Show the type of permissions information that is available.
  // The two most common types are "mlsd" and "unix".  See the
  // online reference documentation for more information.
  if (n > 0) {
    console.log('----');
    console.log(`The permissions format is: ${await ftp.getPermTypeAsync(0)}`);
  }

  i = 0;
  while (i < n) {

    // Display the permissions and filename
    console.log(`${await ftp.getPermissionsAsync(i)} ${await ftp.getFilenameAsync(i)}`);

    i++;
  }

  await ftp.disconnectAsync();
}