Swift

Send an FTP SITE Command

Demonstrates the Chilkat Ftp2.Site method, which sends a server-specific SITE command. The only argument is the text following SITE, for example CHMOD 644 index.html.

Background: SITE is FTP's extension point for features outside the standard — each server defines its own subcommands. The best-known is SITE CHMOD on Unix servers to set file permissions, but others cover mainframe dataset attributes, quotas, and more. Because these are non-standard and often privileged, expect them to vary by server and to require appropriate rights.

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func chilkatTest() {
    var success: Bool = false

    //  Demonstrates the Ftp2.Site method, which sends a server-specific SITE command.  The only
    //  argument is the text following "SITE".

    let ftp = CkoFtp2()!

    ftp.hostname = "ftp.example.com"
    ftp.username = "myFtpLogin"

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    ftp.password = "myPassword"

    //  Connect and log in (Connect performs both).
    success = ftp.connect()
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    //  SITE subcommands are defined by the server, not by the FTP standard, and may require special
    //  permissions.  A common example is changing file permissions on a Unix FTP server.
    success = ftp.site(siteCommand: "CHMOD 644 public_html/index.html")
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }

    print("SITE command accepted.")

    success = ftp.disconnect()
    if success == false {
        print("\(ftp.lastErrorText!)")
        return
    }


}